/* =============================================================
   PRANAVA UPPARLAPALLI — PORTFOLIO DESIGN SYSTEM
   Style: Neo-Brutalism × Skeuomorphism
   Vibe: Lab notebook meets punk zine — thick borders, real
         textures, graph-paper grid, chunky bold type, 3D depth
   ============================================================= */

/* ==================== IMPORTS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ==================== CUSTOM PROPERTIES ==================== */
:root {
  /* Palette — warm, punchy, scientific */
  --bg-page: #fffdf5;
  --bg-grid: rgba(180, 160, 120, 0.10);
  --bg-card: #ffffff;
  --bg-accent-soft: #fef3c7;
  --bg-nav: #fffdf5ee;

  --ink: #1a1a2e;
  --ink-light: #3d3d5c;
  --ink-muted: #7c7c9a;

  --accent-coral: #ff6b6b;
  --accent-teal: #2ec4b6;
  --accent-amber: #fbbf24;
  --accent-violet: #8b5cf6;
  --accent-lime: #a3e635;
  --accent-blue: #3b82f6;

  --border: 3px solid var(--ink);
  --border-thin: 2px solid var(--ink);
  --shadow-hard: 6px 6px 0 var(--ink);
  --shadow-hard-sm: 4px 4px 0 var(--ink);
  --shadow-hard-coral: 6px 6px 0 var(--accent-coral);
  --shadow-hard-teal: 6px 6px 0 var(--accent-teal);
  --shadow-hard-amber: 6px 6px 0 var(--accent-amber);
  --shadow-hard-violet: 6px 6px 0 var(--accent-violet);

  /* Typography */
  --font-primary: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  /* Layout */
  --container-max: 1300px;
  --section-padding: clamp(60px, 10vh, 120px) clamp(20px, 5vw, 80px);
  --radius: 4px;  /* brutalist = barely rounded */
  --radius-card: 6px;

  /* Transitions */
  --transition-snappy: 0.15s ease;
  --transition-base: 0.25s ease;
}

/* ==================== DARK THEME ==================== */
html.dark {
  /* Richer, deeper grey palette (no blue) */
  --bg-page: #121212;
  --bg-grid: rgba(255, 255, 255, 0.03);
  --bg-card: #1e1e1e;
  --bg-accent-soft: #2c2c2c;
  --bg-nav: rgba(18, 18, 18, 0.95);

  /* High-contrast text */
  --ink: #f5f5f5;
  --ink-light: #e0e0e0;
  --ink-muted: #a0a0a0;

  /* Glowing borders for depth */
  --border: 3px solid rgba(245, 245, 245, 0.6);
  --border-thin: 2px solid rgba(245, 245, 245, 0.5);
  --shadow-hard: 6px 6px 0 #000000, 0 0 12px rgba(255, 255, 255, 0.05);
  --shadow-hard-sm: 4px 4px 0 #000000, 0 0 8px rgba(255, 255, 255, 0.04);

  /* Softer accent colors for dark */
  --accent-amber: #e5a811;

  color-scheme: dark;
}

/* Dark cursor — chunky white arrow with dark stroke */
html.dark body {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath d='M3 3l9 21.5l3.5-8.5l8.5-3.5L3 3z' fill='%23f5f5f5' stroke='%23121212' stroke-width='2' stroke-linejoin='miter'/%3E%3C/svg%3E") 3 3, default;
}

html.dark a, html.dark button, html.dark .filter-btn, html.dark .profile-btn,
html.dark .btn, html.dark .project-link, html.dark .nav-link, html.dark .theme-toggle,
html.dark .mobile-toggle, html.dark .cert-logo, html.dark .scroll-top, html.dark .modal-close {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M3 3l9 21.5l3.5-8.5l8.5-3.5L3 3z' fill='%23fbbf24' stroke='%23121212' stroke-width='2.5' stroke-linejoin='miter'/%3E%3C/svg%3E") 3 3, pointer;
}

/* Cards — visible depth with glow + shadow */
html.dark .glass-card {
  border-color: rgba(240, 237, 230, 0.18);
  box-shadow: 6px 6px 0 #08081a, 0 0 20px rgba(139, 92, 246, 0.06);
}

html.dark .glass-card:hover {
  border-color: rgba(240, 237, 230, 0.3);
  box-shadow: 9px 9px 0 #08081a, 0 0 30px rgba(139, 92, 246, 0.1);
}

/* Paper texture — very subtle in dark */
html.dark .glass-card::after {
  opacity: 0.01;
  mix-blend-mode: screen;
}

/* Skill tags — readable */
html.dark .skill-tag {
  background: #242450;
  border-color: rgba(240, 237, 230, 0.3);
  color: var(--ink);
}

/* Footer — VISIBLE links and text */
html.dark .footer {
  background: #08081a;
  border-top: 3px solid rgba(240, 237, 230, 0.15);
}

html.dark .footer-links a,
html.dark .footer-social-link {
  color: #d0cdc4;
}

html.dark .footer-links a:hover,
html.dark .footer-social-link:hover {
  color: #f0ede6;
}

html.dark .footer-copy {
  color: #9593a8;
}

/* Nav links — clear in dark */
html.dark .nav-link:hover,
html.dark .nav-link.active {
  background: var(--accent-amber);
  color: #0f0f23;
}

/* ALL yellow/amber badges use DARK TEXT for contrast */
html.dark .project-year,
html.dark .timeline-date,
html.dark .filter-btn.active,
html.dark .filter-btn:hover,
html.dark blockquote,
html.dark .section-title .accent,
html.dark .hero-right h2 .accent {
  color: #0f0f23;
}

/* Project link buttons */
html.dark .project-link {
  background: #f0ede6;
  color: #0f0f23;
  border-color: rgba(240, 237, 230, 0.5);
}

/* Hero stamps */
html.dark .hero::before {
  color: var(--accent-coral);
  border-color: var(--accent-coral);
  opacity: 0.5;
}

/* Binder holes — even subtler */
html.dark #skills::before,
html.dark #experience::before,
html.dark #education::before {
  opacity: 0.05;
}

/* Selection */
html.dark ::selection {
  background: var(--accent-amber);
  color: #0f0f23;
}

/* Form inputs — clear and usable */
html.dark .contact-form input,
html.dark .contact-form textarea {
  background: #141430;
  color: #f0ede6;
  border-color: rgba(240, 237, 230, 0.25);
  box-shadow: inset 2px 2px 8px rgba(0, 0, 0, 0.4), inset -1px -1px 3px rgba(255, 255, 255, 0.03);
}

html.dark .contact-form input:focus,
html.dark .contact-form textarea:focus {
  border-color: var(--accent-coral);
  box-shadow: inset 2px 2px 6px rgba(0, 0, 0, 0.3), 0 0 0 3px rgba(255, 107, 107, 0.15);
}

html.dark .contact-form label {
  color: #d0cdc4;
}

/* Theme toggle icon swap */
html.dark .theme-toggle .icon-sun { opacity: 0; }
html.dark .theme-toggle .icon-moon { opacity: 1; }

/* Section dividers */
html.dark #skills,
html.dark #experience,
html.dark #projects,
html.dark #education,
html.dark #contact {
  border-top-color: rgba(240, 237, 230, 0.06);
}

/* Profile card — visible shadow + glow in dark */
html.dark .profile-card {
  box-shadow: 8px 8px 0 #08081a, 0 0 25px rgba(46, 196, 182, 0.08);
  border-color: rgba(240, 237, 230, 0.2);
}

/* Skills grid colored shadows — use glow in dark */
html.dark .skills-grid .glass-card:nth-child(1) { box-shadow: 6px 6px 0 #08081a, 0 0 15px rgba(255, 107, 107, 0.1); }
html.dark .skills-grid .glass-card:nth-child(2) { box-shadow: 6px 6px 0 #08081a, 0 0 15px rgba(46, 196, 182, 0.1); }
html.dark .skills-grid .glass-card:nth-child(3) { box-shadow: 6px 6px 0 #08081a, 0 0 15px rgba(251, 191, 36, 0.1); }
html.dark .skills-grid .glass-card:nth-child(4) { box-shadow: 6px 6px 0 #08081a, 0 0 15px rgba(139, 92, 246, 0.1); }
html.dark .skills-grid .glass-card:nth-child(5) { box-shadow: 6px 6px 0 #08081a, 0 0 15px rgba(163, 230, 53, 0.1); }
html.dark .skills-grid .glass-card:nth-child(6) { box-shadow: 6px 6px 0 #08081a, 0 0 15px rgba(59, 130, 246, 0.1); }

/* Modal — dark backdrop */
html.dark .modal-header { color: #0f0f23; }
html.dark .scroll-top { color: #0f0f23; }

/* Stat cards — dark mode depth */
html.dark .stat-card {
  background: #141430;
  border-color: rgba(240, 237, 230, 0.15);
  box-shadow: 4px 4px 0 #08081a;
}

html.dark .stat-card:hover {
  box-shadow: 6px 6px 0 #08081a, 0 0 12px rgba(139, 92, 246, 0.08);
}

/* Competency tags */
html.dark .competency-tag {
  border-color: rgba(240, 237, 230, 0.25);
}

html.dark .competency-tag:hover {
  color: #0f0f23;
}

/* Blockquote — ensure dark text on amber */
html.dark blockquote {
  color: #0f0f23;
}

/* Featured skills box */
html.dark .skills-featured {
  border-color: rgba(240, 237, 230, 0.2);
  box-shadow: 6px 6px 0 #08081a;
}

/* Hero right notebook — subtle lines in dark */
html.dark .hero-right {
  background-image: repeating-linear-gradient(
    transparent,
    transparent 27px,
    rgba(240, 237, 230, 0.04) 27px,
    rgba(240, 237, 230, 0.04) 28px
  );
}

/* Red margin line — dimmer in dark */
html.dark .hero-right::before {
  background: rgba(255, 107, 107, 0.15);
}

/* ==================== GRAPH PAPER BACKGROUND ==================== */
body {
  font-family: var(--font-primary);
  background-color: var(--bg-page);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* Graph paper grid */
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 28px 28px;
  background-attachment: fixed;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

a {
  color: var(--ink);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

::selection {
  background: var(--accent-amber);
  color: var(--ink);
}

/* ==================== CUSTOM CURSOR ==================== */
/* Chunky Brutalist Arrow */
body {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath d='M3 3l9 21.5l3.5-8.5l8.5-3.5L3 3z' fill='%231a1a2e' stroke='%23ffffff' stroke-width='2' stroke-linejoin='miter'/%3E%3C/svg%3E") 3 3, default ;
}

a, button, .filter-btn, .profile-btn, .btn, .project-link, .nav-link, .theme-toggle, .mobile-toggle, .cert-logo, .scroll-top, .modal-close {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M3 3l9 21.5l3.5-8.5l8.5-3.5L3 3z' fill='%23ff6b6b' stroke='%231a1a2e' stroke-width='2.5' stroke-linejoin='miter'/%3E%3C/svg%3E") 3 3, pointer;
}

/* ==================== PAPER TEXTURE OVERLAY ==================== */
/* Adds subtle noise to all cards for authentic paper feel */
.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0.03;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: multiply;
}

/* ==================== DOG-EAR FOLDED CORNER ==================== */
/* Realistic folded page corner on project cards */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 40px 40px 0;
  border-color: transparent var(--bg-page) transparent transparent;
  z-index: 3;
  filter: drop-shadow(-2px 2px 1px rgba(0,0,0,0.08));
  transition: border-width var(--transition-snappy);
}

.project-card:hover::before {
  border-width: 0 50px 50px 0;
}

/* Fold shadow underneath */
.project-card .project-card-body::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 38px;
  height: 38px;
  background: linear-gradient(225deg, rgba(0,0,0,0.06) 0%, transparent 60%);
  z-index: 2;
  pointer-events: none;
}

/* ==================== BINDER RING HOLES ==================== */
/* Left-side binder holes on section containers for notebook effect */
#skills::before,
#experience::before,
#education::before {
  content: '';
  position: absolute;
  left: clamp(10px, 3vw, 40px);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 300px;
  background-image:
    radial-gradient(circle at center, transparent 6px, var(--ink) 6px, var(--ink) 8px, transparent 8px),
    radial-gradient(circle at center, transparent 6px, var(--ink) 6px, var(--ink) 8px, transparent 8px),
    radial-gradient(circle at center, transparent 6px, var(--ink) 6px, var(--ink) 8px, transparent 8px);
  background-size: 20px 100px;
  background-repeat: no-repeat;
  background-position: center 0, center 100px, center 200px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

/* ==================== COFFEE RING STAIN ==================== */
/* Subtle decorative stain on the contact section */
#contact::after {
  content: '';
  position: absolute;
  bottom: 40px;
  right: clamp(20px, 8vw, 120px);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(180, 140, 80, 0.08);
  box-shadow:
    inset 0 0 8px rgba(180, 140, 80, 0.05),
    2px 2px 4px rgba(180, 140, 80, 0.04);
  pointer-events: none;
  z-index: 0;
}

/* ==================== EMBOSSED / DEBOSSED DEPTH ==================== */
/* Skeuomorphic pressed-in effect on input fields */
.contact-form input,
.contact-form textarea {
  box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.08), inset -1px -1px 2px rgba(255, 255, 255, 0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
  box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.06), inset -1px -1px 2px rgba(255, 255, 255, 0.4), 0 0 0 3px rgba(255, 107, 107, 0.15);
}

/* Raised / 3D embossed buttons */
.btn-primary,
.contact-submit {
  background-image: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 50%, rgba(0,0,0,0.08) 100%);
}

.profile-btn-full {
  background-image: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 50%, rgba(0,0,0,0.1) 100%);
}

/* ==================== PAPERCLIP DECORATION ==================== */
/* On experience cards */
.experience-grid .glass-card:first-child::after {
  content: '';
  position: absolute;
  top: -12px;
  right: 30px;
  width: 22px;
  height: 50px;
  border: 3px solid var(--ink-muted);
  border-radius: 0 0 12px 12px;
  border-top: none;
  opacity: 0.35;
  transform: rotate(-8deg);
  z-index: 5;
  pointer-events: none;
}

/* ==================== WASHI TAPE STRIPS ==================== */
.education-grid .glass-card:nth-child(1)::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 20%;
  width: 100px;
  height: 16px;
  background: repeating-linear-gradient(45deg, rgba(46, 196, 182, 0.4), rgba(46, 196, 182, 0.4) 4px, rgba(46, 196, 182, 0.2) 4px, rgba(46, 196, 182, 0.2) 8px);
  border: 1px solid rgba(0,0,0,0.08);
  transform: rotate(-2deg);
  z-index: 3;
  pointer-events: none;
}

.education-grid .glass-card:nth-child(2)::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 20%;
  width: 90px;
  height: 16px;
  background: repeating-linear-gradient(45deg, rgba(255, 107, 107, 0.35), rgba(255, 107, 107, 0.35) 4px, rgba(255, 107, 107, 0.15) 4px, rgba(255, 107, 107, 0.15) 8px);
  border: 1px solid rgba(0,0,0,0.08);
  transform: rotate(1.5deg);
  z-index: 3;
  pointer-events: none;
}

.education-grid .glass-card:nth-child(3)::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 30%;
  width: 80px;
  height: 16px;
  background: repeating-linear-gradient(45deg, rgba(251, 191, 36, 0.45), rgba(251, 191, 36, 0.45) 4px, rgba(251, 191, 36, 0.25) 4px, rgba(251, 191, 36, 0.25) 8px);
  border: 1px solid rgba(0,0,0,0.08);
  transform: rotate(-1deg);
  z-index: 3;
  pointer-events: none;
}

/* ==================== SECTION TAB DIVIDERS ==================== */
/* Physical tab-like section labels */
#skills,
#experience,
#projects,
#education,
#contact {
  border-top: 3px dashed rgba(26, 26, 46, 0.08);
  margin-top: -1px;
}

/* ==================== UTILITY ==================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  /* Reveal */
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-title .accent {
  display: inline-block;
  background: var(--accent-amber);
  padding: 0 0.3em;
  border: var(--border-thin);
  box-shadow: var(--shadow-hard-sm);
  transform: rotate(-1deg);
}

.section-title.revealed {
  opacity: 1;
  transform: translateY(0);
}

.section-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--ink-muted);
  max-width: 650px;
  margin: 1rem auto 0;
  font-weight: 400;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease 0.15s, transform 0.5s ease 0.15s;
}

.section-subtitle.revealed {
  opacity: 1;
  transform: translateY(0);
}

.section-divider {
  width: 80px;
  height: 4px;
  background: var(--accent-coral);
  margin: 0.8rem auto 0;
  border: 1px solid var(--ink);
  opacity: 0;
  transform: scaleX(0);
  transition: opacity 0.4s ease 0.25s, transform 0.4s ease 0.25s;
}

.section-divider.revealed {
  opacity: 1;
  transform: scaleX(1);
}

/* ==================== SCROLL REVEAL ==================== */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ========== NEO-BRUTALIST DECORATIONS ========== */
/* Brutalist Card */
.glass-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hard);
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
  position: relative;
}

.glass-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--ink);
}

/* Sticky-note style tape decoration on select cards */
.glass-card.taped::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 80px;
  height: 18px;
  background: rgba(251, 191, 36, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.15);
  z-index: 2;
  pointer-events: none;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border: var(--border);
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-snappy);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  position: relative;
}

.btn-primary {
  background: var(--accent-coral);
  color: var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.btn-outline {
  background: var(--bg-card);
  color: var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.btn-outline:hover {
  background: var(--bg-accent-soft);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn-outline:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

/* ==================== NAVIGATION ==================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.8rem 0;
  background: var(--bg-nav);
  z-index: 1000;
  border-bottom: var(--border);
  transition: transform 0.3s ease, background 0.3s ease;
  box-shadow: var(--shadow-hard);
}

.nav.hidden {
  transform: translateY(-100%);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-brand .brand-accent {
  background: var(--accent-amber);
  padding: 0 0.15em;
  border: 2px solid var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-link {
  padding: 0.45rem 0.9rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: all var(--transition-snappy);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-link.active {
  background: var(--accent-amber);
  border-color: var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
}

.nav-link::after { display: none; }

/* Theme Toggle — big chunky switch */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: var(--border-thin);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  margin-left: 0.5rem;
  position: relative;
  transition: all var(--transition-snappy);
}

.theme-toggle:hover {
  background: var(--accent-lime);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}

.theme-toggle:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  position: absolute;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.theme-toggle .icon-sun { opacity: 1; }
.theme-toggle .icon-moon { opacity: 0; }

/* Mobile Menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: var(--bg-card);
  border: var(--border-thin);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius);
  box-shadow: 2px 2px 0 var(--ink);
  transition: all var(--transition-snappy);
}

.mobile-toggle:hover {
  background: var(--accent-amber);
}

.mobile-toggle:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 0;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==================== HERO SECTION ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px clamp(20px, 5vw, 80px) 80px;
  position: relative;
  overflow: hidden;
}

/* Decorative sticker / stamp elements */
.hero::before {
  content: 'BIO INFORMATICS';
  position: absolute;
  top: 140px;
  right: clamp(20px, 8vw, 140px);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-coral);
  border: 2px solid var(--accent-coral);
  padding: 0.3rem 0.8rem;
  transform: rotate(12deg);
  pointer-events: none;
  opacity: 0.7;
}

.hero::after {
  content: '★ NGS PIPELINES ★';
  position: absolute;
  bottom: 120px;
  left: clamp(20px, 5vw, 100px);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--accent-lime);
  border: 2px solid var(--ink);
  padding: 0.25rem 0.7rem;
  transform: rotate(-5deg);
  pointer-events: none;
  box-shadow: var(--shadow-hard-sm);
}

/* ==================== HERO V3: OVERLAPPING POSTER ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  /* Always force dark background for dramatic impact regardless of theme */
  background: #0d0d1a !important;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-poster-container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 2rem;
}

/* Massive Background Typography */
.hero-poster-text {
  font-family: var(--font-primary);
  font-size: clamp(3.5rem, 10vw, 9rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.05em;
  /* Always white on the forced-dark hero */
  color: #ffffff;
  display: flex;
  flex-direction: column;
  text-transform: uppercase;
  margin-bottom: 1.5rem; /* Reduced to avoid negative margin overlap below */
  z-index: 0;
}

.hero-poster-text span {
  display: block;
  text-shadow: 4px 4px 0 var(--accent-teal); /* Smoother, tighter shadow */
  transition: text-shadow var(--transition-snappy), transform 0.2s;
}
.hero-poster-text span:last-child {
  text-shadow: 4px 4px 0 var(--accent-amber);
  margin-left: 2%; /* Slight offset for dynamic feel */
}

.hero-poster-text:hover span { 
  text-shadow: 6px 6px 0 var(--accent-coral); 
  transform: translateY(-2px);
  cursor: default; 
}

/* The Content Layer (Neat Layout) */
.hero-neat-content {
  display: flex;
  align-items: flex-start;
  position: relative;
  z-index: 2;
  margin-top: 0; /* Removed negative margin to prevent overlapping the typing row */
  padding: 0 2rem;
  gap: 3rem;
}

.neat-left {
  flex: 2;
  display: flex;
  flex-direction: column;
}

.neat-right {
  flex: 1;
  max-width: 350px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Custom Neo-Brutalist LinkedIn Card */
.custom-li-card {
  display: block;
  text-decoration: none;
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
  position: relative;
  z-index: 2;
}
.custom-li-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 var(--ink);
}

.li-cover {
  height: 80px;
  background: repeating-linear-gradient(
    45deg,
    var(--ink),
    var(--ink) 10px,
    var(--accent-teal) 10px,
    var(--accent-teal) 20px
  );
  border-bottom: var(--border-thin);
}

.li-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: var(--border-thin);
  object-fit: cover;
  position: absolute;
  top: 40px;
  left: 20px;
  background: var(--bg-card);
}

.li-content {
  padding: 3.5rem 1.5rem 1.5rem;
}

.li-name-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.li-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.li-headline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin: 0 0 1rem 0;
  line-height: 1.4;
}

.li-action {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 0.6rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bg-page);
  background: var(--ink);
  border: var(--border-thin);
  transition: background var(--transition-snappy);
}
.custom-li-card:hover .li-action {
  background: var(--accent-blue);
}

.neat-socials {
  margin-top: 0.5rem;
  display: flex;
  justify-content: center; 
  gap: 2rem;
  width: 100%;
}

.objective-card {
  background: var(--bg-card);
  border: var(--border);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 2.5rem;
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: transform 0.2s;
}
.objective-card:hover { transform: translate(-2px, -2px); box-shadow: 12px 12px 0 var(--ink); }

.objective-header { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.5rem; }
.led-indicator { width: 12px; height: 12px; background: var(--accent-coral); border-radius: 50%; border: 2px solid var(--ink); animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.objective-label { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; color: var(--ink-muted); letter-spacing: 0.05em; }

.objective-text {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--ink-light);
  font-weight: 500;
}

.poster-stickers { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.sticker-tag {
  background: var(--bg-page);
  border: 2px solid var(--ink);
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-1.5deg);
  transition: transform var(--transition-snappy);
}
.sticker-tag:nth-child(even) { transform: rotate(1.5deg); }
.sticker-tag:hover { transform: scale(1.05) rotate(0deg); color: var(--accent-teal); cursor: pointer; }

.poster-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 2px dashed var(--ink-muted);
  gap: 1rem;
}

.mini-badge { padding: 0.5rem; box-shadow: 2px 2px 0 var(--ink); background: var(--bg-page) }
.poster-download { padding: 0.8rem 1.5rem; font-size: 0.95rem; }

/* Neat Stats Row Container */
.neat-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0 2rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.neat-stat {
  background: var(--bg-page);
  border: 2px solid var(--ink);
  padding: 0.6rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink);
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
}
.neat-stat strong { font-family: var(--font-primary); font-size: 1.25rem; color: var(--accent-coral); }
.neat-stat.s1 { box-shadow: 4px 4px 0 var(--accent-amber); transform: rotate(-1deg); }
.neat-stat.s2 { box-shadow: 4px 4px 0 var(--accent-teal); transform: rotate(1deg); }
.neat-stat.s3 { box-shadow: 4px 4px 0 var(--accent-coral); transform: rotate(-2deg); }

/* Responsive Overlapping Poster */
@media (max-width: 1024px) {
  .hero-neat-content { flex-direction: column; }
  .neat-stats-row { justify-content: flex-start; }
}

@media (max-width: 768px) {
  .hero-poster-container { min-height: auto; padding-top: 4rem; padding-bottom: 2rem; }
  .hero-neat-content { 
    margin-top: 1rem; 
    padding: 0 1rem; 
    gap: 1.5rem;
  }
  .neat-right { max-width: 100%; }
  .objective-card { padding: 1.5rem; }
  .objective-text { font-size: 1.05rem; line-height: 1.6; }
  .poster-actions { flex-direction: column; align-items: stretch; margin-top: 0.5rem; }
  .hero-poster-text { font-size: clamp(2.5rem, 12vw, 5rem); margin-bottom: 0; }
  .shape-diamond { width: 350px; height: 450px; top: 2%; right: -5%; z-index: 0; }
}

/* ==================== SKILLS SECTION ==================== */
.skills-featured {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius-card);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.skill-icon-item {
  position: relative;
}

.skill-icon-item img {
  width: 52px;
  height: 52px;
  transition: transform var(--transition-snappy);
  filter: saturate(1.2);
}

.skill-icon-item img:hover {
  transform: scale(1.2) rotate(8deg);
}

.skill-icon-item .tooltip {
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--ink);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-snappy);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.skill-icon-item:hover .tooltip {
  opacity: 1;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.8rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.skill-card {
  padding: 1.8rem;
  text-align: center;
}

/* Alternate colored shadows for variety */
.skills-grid .glass-card:nth-child(1) { box-shadow: 6px 6px 0 var(--accent-coral); }
.skills-grid .glass-card:nth-child(2) { box-shadow: 6px 6px 0 var(--accent-teal); }
.skills-grid .glass-card:nth-child(3) { box-shadow: 6px 6px 0 var(--accent-amber); }
.skills-grid .glass-card:nth-child(4) { box-shadow: 6px 6px 0 var(--accent-violet); }
.skills-grid .glass-card:nth-child(5) { box-shadow: 6px 6px 0 var(--accent-lime); }
.skills-grid .glass-card:nth-child(6) { box-shadow: 6px 6px 0 var(--accent-blue); }

.skills-grid .glass-card:nth-child(1):hover { box-shadow: 9px 9px 0 var(--accent-coral); }
.skills-grid .glass-card:nth-child(2):hover { box-shadow: 9px 9px 0 var(--accent-teal); }
.skills-grid .glass-card:nth-child(3):hover { box-shadow: 9px 9px 0 var(--accent-amber); }
.skills-grid .glass-card:nth-child(4):hover { box-shadow: 9px 9px 0 var(--accent-violet); }
.skills-grid .glass-card:nth-child(5):hover { box-shadow: 9px 9px 0 var(--accent-lime); }
.skills-grid .glass-card:nth-child(6):hover { box-shadow: 9px 9px 0 var(--accent-blue); }

.skill-card-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 0.8rem;
}

.skill-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.skill-card p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
}

.skill-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--bg-accent-soft);
  color: var(--ink);
  transition: all var(--transition-snappy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.skill-tag:hover {
  background: var(--accent-amber);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* ==================== EXPERIENCE SECTION — Two Column ==================== */
.experience-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  align-items: start;
}

/* Impact Sidebar Card */
.experience-sidebar {
  position: sticky;
  top: 90px;
}

.impact-card {
  padding: 2rem;
  border-top: 6px solid var(--accent-amber);
}

.impact-header {
  margin-bottom: 1.5rem;
}

.impact-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--bg-accent-soft);
  border: 2px solid var(--accent-amber);
  padding: 0.3rem 0.7rem;
  display: inline-block;
}

.impact-stats {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 1.8rem;
  border-bottom: 2px dashed var(--border-color);
  padding-bottom: 1.5rem;
}

.impact-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.impact-num {
  font-family: var(--font-primary);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.03em;
}

.impact-desc {
  font-size: 0.82rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  line-height: 1.4;
}

.impact-tools {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.impact-tool-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.impact-tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.impact-tool-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border: 2px solid var(--ink);
  background: var(--bg-accent-soft);
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all var(--transition-snappy);
}

.impact-tool-tags span:hover {
  background: var(--accent-teal);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* Timeline in 2-column layout is full width */
.experience-layout .timeline {
  width: 100%;
}

@media (max-width: 900px) {
  .experience-layout {
    grid-template-columns: 1fr;
  }
  .experience-sidebar {
    position: static;
  }
  .impact-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

.experience-card {
  padding: 2rem;
  position: relative;
}

/* Colored top border stripe */
.experience-grid .glass-card:nth-child(1) { border-top: 6px solid var(--accent-coral); }
.experience-grid .glass-card:nth-child(2) { border-top: 6px solid var(--accent-teal); }

.experience-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.experience-meta {
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.experience-card ul {
  list-style: none;
  padding: 0;
}

.experience-card ul li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.7rem;
  font-size: 0.93rem;
  color: var(--ink-light);
  line-height: 1.65;
}

.experience-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-coral);
  font-weight: 700;
}

/* ==================== PROJECTS SECTION ==================== */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.2rem;
  border: var(--border-thin);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--ink);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-snappy);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  box-shadow: 2px 2px 0 var(--ink);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-amber);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}

.filter-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--ink);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.project-card.hidden {
  display: none;
}

/* Alternating colored shadows — punchy */
.projects-grid .glass-card:nth-child(6n+1) { box-shadow: 6px 6px 0 var(--accent-coral); }
.projects-grid .glass-card:nth-child(6n+2) { box-shadow: 6px 6px 0 var(--accent-teal); }
.projects-grid .glass-card:nth-child(6n+3) { box-shadow: 6px 6px 0 var(--accent-amber); }
.projects-grid .glass-card:nth-child(6n+4) { box-shadow: 6px 6px 0 var(--accent-violet); }
.projects-grid .glass-card:nth-child(6n+5) { box-shadow: 6px 6px 0 var(--accent-lime); }
.projects-grid .glass-card:nth-child(6n+6) { box-shadow: 6px 6px 0 var(--accent-blue); }

.projects-grid .glass-card:nth-child(6n+1):hover { box-shadow: 9px 9px 0 var(--accent-coral); transform: translate(-3px, -3px); }
.projects-grid .glass-card:nth-child(6n+2):hover { box-shadow: 9px 9px 0 var(--accent-teal); transform: translate(-3px, -3px); }
.projects-grid .glass-card:nth-child(6n+3):hover { box-shadow: 9px 9px 0 var(--accent-amber); transform: translate(-3px, -3px); }
.projects-grid .glass-card:nth-child(6n+4):hover { box-shadow: 9px 9px 0 var(--accent-violet); transform: translate(-3px, -3px); }
.projects-grid .glass-card:nth-child(6n+5):hover { box-shadow: 9px 9px 0 var(--accent-lime); transform: translate(-3px, -3px); }
.projects-grid .glass-card:nth-child(6n+6):hover { box-shadow: 9px 9px 0 var(--accent-blue); transform: translate(-3px, -3px); }

.project-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: var(--border);
  transition: transform var(--transition-base);
}

.project-card:hover .project-card-img {
  transform: scale(1.04);
}

.project-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.project-year {
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--ink);
  background: var(--accent-amber);
  padding: 0.2rem 0.5rem;
  border: 2px solid var(--ink);
  letter-spacing: 0.04em;
}

.project-tech {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.project-tech span {
  font-size: 0.62rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.05);
  color: var(--ink-muted);
  padding: 0.15rem 0.45rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.project-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.35;
  text-transform: uppercase;
}

.project-card p {
  font-size: 0.88rem;
  color: var(--ink-light);
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: 1rem;
}

.project-link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.2rem;
  background: var(--ink);
  color: var(--bg-card);
  border: var(--border-thin);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all var(--transition-snappy);
  box-shadow: 3px 3px 0 var(--accent-teal);
}

.project-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--accent-teal);
  color: var(--bg-card);
}

.project-link:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--accent-teal);
}

.project-link svg {
  width: 14px;
  height: 14px;
}

/* ==================== EDUCATION SECTION ==================== */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.education-card {
  padding: 2rem;
  text-align: center;
}

.edu-logo {
  width: 90px;
  height: auto;
  margin: 0 auto 1rem;
  padding: 0.6rem;
  background: var(--bg-accent-soft);
  border-radius: var(--radius);
  border: var(--border-thin);
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform var(--transition-snappy);
}

.education-card:hover .edu-logo {
  transform: rotate(-3deg) scale(1.05);
}

.education-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.education-card .edu-meta {
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.education-card .courses {
  text-align: left;
}

.education-card .courses strong {
  display: block;
  font-size: 0.82rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.education-card .courses ul {
  list-style: none;
  padding: 0;
}

.education-card .courses ul li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.88rem;
  color: var(--ink-light);
  margin-bottom: 0.25rem;
}

.education-card .courses ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-coral);
  font-weight: 700;
  font-size: 1rem;
}

/* Certifications */
.cert-header {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ink);
  margin: 3rem 0 1.5rem;
  text-transform: uppercase;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.cert-card {
  padding: 2rem;
  text-align: center;
  position: relative;
}

/* Stamp decoration on top */
.cert-card::before {
  content: '✓ VERIFIED';
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--accent-teal);
  border: 2px solid var(--accent-teal);
  padding: 0.15rem 0.5rem;
  transform: rotate(8deg);
  letter-spacing: 0.05em;
}

.cert-logo {
  width: 90px;
  height: auto;
  margin: 0 auto 1rem;
  padding: 0.6rem;
  background: var(--bg-accent-soft);
  border-radius: var(--radius);
  border: var(--border-thin);
  box-shadow: 2px 2px 0 var(--ink);
  cursor: pointer;
  transition: transform var(--transition-snappy);
}

.cert-logo:hover {
  transform: rotate(-3deg) scale(1.05);
}

.cert-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.cert-card p {
  font-size: 0.88rem;
  color: var(--ink-light);
  line-height: 1.6;
}

/* ==================== CONTACT SECTION ==================== */
#contact {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-form {
  width: 100%;
  max-width: 720px;
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  box-shadow: 8px 8px 0 var(--ink);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  /* Notebook lines */
  background-image: repeating-linear-gradient(
    transparent,
    transparent 27px,
    rgba(180, 160, 120, 0.12) 27px,
    rgba(180, 160, 120, 0.12) 28px
  );
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: var(--border-thin);
  border-radius: var(--radius);
  background: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-primary);
  font-size: 0.92rem;
  transition: all var(--transition-snappy);
  box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.06);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-coral);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15), inset 2px 2px 0 rgba(0, 0, 0, 0.04);
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form ::placeholder {
  color: var(--ink-muted);
}

.contact-submit {
  align-self: center;
  min-width: 180px;
  padding: 0.85rem 2rem;
  background: var(--accent-coral);
  color: var(--ink);
  border: var(--border);
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: all var(--transition-snappy);
  box-shadow: 4px 4px 0 var(--ink);
}

.contact-submit:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.contact-submit:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.contact-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 700;
  font-size: 0.88rem;
  display: none;
  border: var(--border-thin);
}

.form-message.success {
  display: block;
  background: #d1fae5;
  border-color: var(--accent-teal);
  color: var(--ink);
}

.form-message.error {
  display: block;
  background: #fecdd3;
  border-color: var(--accent-coral);
  color: var(--ink);
}

.input-error {
  border-color: var(--accent-coral) !important;
  box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2) !important;
}

.error-text {
  color: var(--accent-coral);
  font-size: 0.78rem;
  font-weight: 700;
  display: none;
}

.error-text.show {
  display: block;
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--bg-card);
  border-top: var(--border);
  padding: 3rem 0;
  margin-top: 4rem;
  box-shadow: 0 -4px 0 var(--ink); /* Harsh neo-brutalist top shadow */
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer-links a {
  color: var(--bg-page);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: color var(--transition-snappy);
}

.footer-links a:hover {
  color: var(--accent-amber);
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255, 253, 245, 0.6);
  font-family: var(--font-mono);
}

.footer-socials {
  display: flex;
  gap: 0.6rem;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 253, 245, 0.3);
  border-radius: var(--radius);
  color: var(--bg-page);
  transition: all var(--transition-snappy);
}

.footer-social-link:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
  background: rgba(251, 191, 36, 0.1);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--accent-amber);
}

.footer-social-link svg {
  width: 16px;
  height: 16px;
}

/* ==================== SCROLL TO TOP ==================== */
.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--accent-coral);
  color: var(--ink);
  border: var(--border);
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-hard-sm);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.scroll-top:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* ==================== MODAL ==================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--radius-card);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 10px 10px 0 var(--ink);
  transform: scale(0.92);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: var(--border);
  background: var(--accent-amber);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  margin: 0;
}

.modal-close {
  background: var(--bg-card);
  border: var(--border-thin);
  font-size: 1.4rem;
  color: var(--ink);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius);
  transition: all var(--transition-snappy);
  line-height: 1;
  box-shadow: 2px 2px 0 var(--ink);
}

.modal-close:hover {
  background: var(--accent-coral);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--ink);
}

.modal-close:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body iframe {
  width: 100%;
  height: 70vh;
  border: var(--border-thin);
  border-radius: var(--radius);
}

.modal-body img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border: var(--border-thin);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 968px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .profile-card {
    max-width: 400px;
    margin: 0 auto;
    transform: rotate(0);
  }

  @keyframes dropIn {
    0% { opacity: 0; transform: rotate(0) translateY(-30px); }
    100% { opacity: 1; transform: rotate(0) translateY(0); }
  }

  .hero-right {
    text-align: left;
  }

  .hero-right::before {
    display: none;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .hero::before,
  .hero::after {
    display: none;
  }

  .skills-grid,
  .experience-grid,
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-page);
    border-bottom: var(--border);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
    box-shadow: 0 6px 0 var(--ink);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-link {
    width: 100%;
    text-align: left;
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  }

  .theme-toggle {
    margin: 0.5rem 0 0;
    width: 100%;
    justify-content: flex-start;
    padding: 0.6rem 0.8rem;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
  }

  .hero-right {
    padding: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .skills-grid,
  .experience-grid,
  .projects-grid,
  .education-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .modal-content {
    max-width: 95%;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 85px 1rem 40px;
  }

  .profile-card {
    padding: 2rem 1.5rem;
  }

  .profile-avatar {
    width: 130px;
    height: 130px;
  }

  .hero-right {
    padding: 1.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .scroll-top {
    width: 38px;
    height: 38px;
    bottom: 1rem;
    right: 1rem;
  }
}

/* ==================== VERTICAL TIMELINE ==================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

/* Connecting rail line */
.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--ink);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

/* Dot on the rail */
.timeline-dot {
  position: absolute;
  left: -33px;
  top: 1.8rem;
  width: 18px;
  height: 18px;
  background: var(--accent-coral);
  border: 3px solid var(--ink);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 4px var(--bg-page);
  transition: transform var(--transition-snappy), background var(--transition-snappy);
}

.timeline-item:nth-child(2) .timeline-dot {
  background: var(--accent-teal);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
}

html.dark .timeline-dot {
  box-shadow: 0 0 0 4px var(--bg-page);
}

.timeline-content {
  padding: 1.8rem;
  margin-left: 0.5rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.timeline-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  margin: 0;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--accent-amber);
  padding: 0.2rem 0.6rem;
  border: 2px solid var(--ink);
  white-space: nowrap;
}

html.dark .timeline-date {
  color: #1a1a2e;
}

.timeline-org {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.timeline-content ul {
  list-style: none;
  padding: 0;
}

.timeline-content ul li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.7rem;
  font-size: 0.93rem;
  color: var(--ink-light);
  line-height: 1.65;
}

.timeline-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-coral);
  font-weight: 700;
}

/* ==================== SKILLS GRID ==================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.8rem;
  padding: 1rem 0 2rem;
}

.skills-grid .glass-card {
  height: 100%;
}

/* ==================== RESPONSIVE TIMELINE ==================== */
@media (max-width: 768px) {
  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-dot {
    left: -27px;
    width: 14px;
    height: 14px;
  }

  .timeline-content {
    padding: 1.4rem;
  }

  .timeline-header {
    flex-direction: column;
  }

  .skills-grid .glass-card {
    min-width: 280px;
  }
}

/* ==================== HERO IMPACT SECTION ==================== */
.hero-tagline {
  font-size: 1.1rem;
  color: var(--ink-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.hero-tagline strong {
  color: var(--ink);
  font-weight: 700;
}

/* Stat Cards — 2×2 grid */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: var(--border-thin);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-left: 5px solid var(--accent-coral);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--transition-snappy), box-shadow var(--transition-snappy);
}

.stat-card:nth-child(2) { border-left-color: var(--accent-teal); }
.stat-card:nth-child(3) { border-left-color: var(--accent-amber); }
.stat-card:nth-child(4) { border-left-color: var(--accent-violet); }

.stat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Competency tags */
.hero-competencies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.competency-tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--bg-accent-soft);
  border: var(--border-thin);
  padding: 0.3rem 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all var(--transition-snappy);
}

.competency-tag:hover {
  background: var(--accent-amber);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* Dark mode stat cards */
html.dark .stat-card {
  box-shadow: 4px 4px 0 #0d0d1a;
}

html.dark .stat-card:hover {
  box-shadow: 6px 6px 0 #0d0d1a;
}

html.dark .competency-tag:hover {
  color: #1a1a2e;
}

/* Responsive stat cards */
@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .stat-number {
    font-size: 1.3rem;
  }

  .stat-label {
    font-size: 0.65rem;
  }
}

/* ==================== FEATURED CASE STUDIES ==================== */
.featured-projects {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto 2.5rem;
}

.case-study {
  display: flex;
  overflow: hidden;
}

.case-study-img {
  width: 38%;
  min-height: 280px;
  object-fit: cover;
  flex-shrink: 0;
}

.case-study-body {
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  border-left: 5px solid var(--accent-coral);
}

.case-study:nth-child(2) .case-study-body { border-left-color: var(--accent-teal); }
.case-study:nth-child(3) .case-study-body { border-left-color: var(--accent-violet); }

.case-study-detail {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--ink-light);
}

.case-study-detail strong {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==================== COMPACT PROJECTS GRID ==================== */
.other-projects-header {
  font-family: var(--font-primary);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  max-width: var(--container-max);
  margin: 0 auto 1rem;
  padding: 0 clamp(20px, 5vw, 80px);
  color: var(--ink-muted);
}

.compact-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 80px);
}

.compact-project {
  padding: 1rem 1.2rem;
}

.compact-project h4 {
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0.3rem 0 0.4rem;
  line-height: 1.3;
}

.compact-project p {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.45;
  margin-bottom: 0.6rem;
}

.compact-project .project-link {
  font-size: 0.78rem;
  padding: 0.3rem 0.8rem;
}

/* Responsive */
@media (max-width: 900px) {
  .case-study {
    flex-direction: column;
  }

  .case-study-img {
    width: 100%;
    min-height: 180px;
    max-height: 220px;
  }

  .case-study-body {
    border-left: none;
    border-top: 5px solid var(--accent-coral);
  }

  .case-study:nth-child(2) .case-study-body { border-left: none; border-top-color: var(--accent-teal); }
  .case-study:nth-child(3) .case-study-body { border-left: none; border-top-color: var(--accent-violet); }

  .compact-projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .compact-projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ==================== SCROLL-REVEAL ANIMATIONS ==================== */
@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revealLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes stampIn {
  0% {
    opacity: 0;
    transform: scale(1.8) rotate(-8deg);
  }
  60% {
    opacity: 1;
    transform: scale(0.95) rotate(1deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes borderGrow {
  from { width: 0; }
  to { width: 100%; }
}

/* Elements start invisible — JS adds .is-visible */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for grid children */
.reveal-on-scroll.is-visible:nth-child(1) { transition-delay: 0ms; }
.reveal-on-scroll.is-visible:nth-child(2) { transition-delay: 80ms; }
.reveal-on-scroll.is-visible:nth-child(3) { transition-delay: 160ms; }
.reveal-on-scroll.is-visible:nth-child(4) { transition-delay: 240ms; }
.reveal-on-scroll.is-visible:nth-child(5) { transition-delay: 320ms; }
.reveal-on-scroll.is-visible:nth-child(6) { transition-delay: 400ms; }

/* Case study slide-in from left */
.case-study.reveal-on-scroll {
  opacity: 0;
  transform: translateX(-40px);
}

.case-study.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.case-study.reveal-on-scroll:nth-child(2) {
  transform: translateX(40px);
}

.case-study.reveal-on-scroll:nth-child(2).is-visible {
  transform: translateX(0);
}

/* Stat card stamp-in */
.stat-card.reveal-on-scroll.is-visible {
  animation: stampIn 0.5s ease forwards;
}

/* Section title underline grow */
.section-divider {
  position: relative;
  overflow: hidden;
}

.section-divider.is-visible::after {
  animation: borderGrow 0.8s ease forwards;
}

/* Hover lift — enhanced micro-interactions */
.case-study {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case-study:hover {
  transform: translate(-3px, -3px);
}

.compact-project {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.compact-project:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

/* Accessibility: respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .stat-card.reveal-on-scroll.is-visible {
    animation: none;
  }
}

/* ==================== VIBE ASSETS & CONTINUOUS ANIMATIONS ==================== */
/* 1. Floating & Spinning Shapes */
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes floatBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(5deg); }
}

.hero-shape {
  position: absolute;
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
}

.shape-asterisk {
  top: 15%;
  left: 5%;
  width: 120px;
  height: 120px;
  animation: spinSlow 30s linear infinite;
}

.shape-diamond {
  top: 5%;
  right: 2%; /* Fix: Push to the far right edge so it isn't hidden behind the objective card on 1536px screens */
  width: 500px;
  height: 600px; /* Explicit height for canvas */
  opacity: 0.8;
  animation: floatBob 10s ease-in-out infinite;
  pointer-events: none;
  z-index: 1; /* Elevate slightly to ensure it renders above the grid background properly */
}

html.dark .hero-shape {
  opacity: 0.6; /* Subtler in dark mode to not distract */
}

/* 2. Marquee Ticker Banner */
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-wrapper {
  width: 100%;
  overflow: hidden;
  background: var(--ink);
  color: var(--bg-page);
  padding: 0.6rem 0;
  margin-top: 2rem;
  border-top: var(--border-thin);
  border-bottom: var(--border-thin);
  position: relative;
  z-index: 2;
  /* subtle rotation for the neo-brutalist feel */
  transform: rotate(-1deg) scale(1.02);
}

.marquee-content {
  display: flex;
  white-space: nowrap;
  animation: marqueeScroll 25s linear infinite;
  width: max-content;
}

.marquee-content span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0 1.5rem;
}

.marquee-dot {
  color: var(--accent-coral);
  font-size: 0.6rem !important;
  vertical-align: middle;
}

/* Accessibility for infinite motion */
@media (prefers-reduced-motion: reduce) {
  .shape-asterisk, .shape-diamond, .marquee-content {
    animation-play-state: paused;
  }
}

/* ==================== UI POLISH (Phase 7) ==================== */
/* Back to Top Button */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--bg-card);
  border: var(--border);
  border-radius: 50%;
  box-shadow: var(--shadow-hard-sm);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-snappy);
}
.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover {
  background: var(--accent-coral);
  color: var(--bg-page);
  transform: translateY(-5px);
  box-shadow: 6px 6px 0 var(--ink);
}

/* ScrollSpy Active Link */
.nav-links a.active {
  color: var(--accent-coral);
}
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left center;
  background-color: var(--accent-coral);
}

/* ==================== CONTACT SECTION REDESIGN ==================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  align-items: start;
}

.contact-info-card {
  padding: 2rem;
  border-top: 6px solid var(--accent-coral);
}

.contact-status {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.available {
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.08); }
}

.status-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.contact-divider {
  border: none;
  border-top: 2px dashed var(--border-color);
  margin: 1rem 0;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-channel-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--ink);
  padding: 0.7rem;
  border: 2px solid transparent;
  transition: all var(--transition-snappy);
  border-radius: var(--radius);
}

.contact-channel-link:hover {
  background: var(--bg-accent-soft);
  border-color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--ink);
}

.channel-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-channel-link div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  overflow: hidden;
}

.channel-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.channel-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-response-note {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.55;
  margin: 0;
}

.contact-response-note strong {
  color: var(--ink);
}

.contact-form-panel .contact-form {
  max-width: 100%;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

/* ==================== MOBILE HOTFIXES (Phase 8) ==================== */
@media (max-width: 768px) {
  /* Fix giant typography overflow */
  .hero-poster-text { 
    font-size: clamp(2.3rem, 12vw, 4rem); 
    margin-bottom: 2rem; 
    word-break: break-word; 
  }
  
  /* Give cards breathing room horizontally */
  .hero-neat-content { 
    padding: 0 1rem; 
    gap: 1.5rem; 
    margin-top: -1.5rem;
  }
  
  /* Stack stats for smaller width */
  .neat-stats-row { 
    padding: 0 1rem; 
    justify-content: flex-start;
  }
  
  /* Reduce dense card padding */
  .objective-card { 
    padding: 1.5rem; 
  }
  
  /* Make Custom LinkedIn card responsive */
  .custom-li-card .li-content { 
    padding: 3.5rem 1rem 1rem; 
  }
  
  /* Ensure social buttons stack well */
  .neat-socials {
    flex-direction: column;
    gap: 0.8rem;
  }
}

/* ========== SCROLL PROGRESS BAR ========== */
#scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-coral) 0%, var(--accent-amber) 50%, var(--accent-teal) 100%);
  z-index: 9999;
  transition: width 0.1s linear;
  pointer-events: none;
}

/* ========== HERO TYPEWRITER ROW ========== */
.hero-typing-row {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
  margin-left: 2rem; /* Align with the padded content */
  height: 1.5em;
  display: flex;
  align-items: center;
  gap: 0;
  user-select: none;
  position: relative;
  z-index: 3; /* Ensure it stays above the neat format blocks */
}

.typing-prefix {
  color: var(--accent-teal);
  font-weight: 700;
  margin-right: 0.2em;
}

#hero-typing-text {
  color: rgba(255, 255, 255, 0.75);
}

.typing-cursor {
  color: var(--accent-amber);
  font-weight: 700;
  animation: blink-cursor 0.75s step-end infinite;
  margin-left: 1px;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ========== TERMINAL BLINK ICON ========== */
.terminal-blink {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-teal);
  margin-left: 4px;
  animation: blink-cursor 1s step-end infinite;
  vertical-align: middle;
}

/* ========== MICRO-GLITCH ON HERO NAME ========== */
@keyframes glitch-shift {
  0%   { clip-path: inset(0 0 92% 0); transform: translate(-4px, 0) skewX(-1deg); }
  10%  { clip-path: inset(40% 0 50% 0); transform: translate(4px, 0) skewX(1deg); }
  20%  { clip-path: inset(80% 0 5% 0); transform: translate(-2px, 0); }
  30%  { clip-path: inset(10% 0 75% 0); transform: translate(3px, 0) skewX(-0.5deg); }
  40%  { clip-path: inset(60% 0 30% 0); transform: translate(-3px, 0); }
  50%  { clip-path: inset(0 0 85% 0); transform: translate(2px, 0) skewX(1deg); }
  60%  { clip-path: inset(50% 0 40% 0); transform: translate(-2px, 0); }
  70%  { clip-path: inset(20% 0 60% 0); transform: translate(4px, 0); }
  80%  { clip-path: inset(75% 0 15% 0); transform: translate(-1px, 0) skewX(0.5deg); }
  90%  { clip-path: inset(30% 0 65% 0); transform: translate(3px, 0); }
  100% { clip-path: inset(0 0 0 0);     transform: translate(0, 0); }
}

.hero-poster-text.glitch-active {
  position: relative;
}

.hero-poster-text.glitch-active::before,
.hero-poster-text.glitch-active::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  pointer-events: none;
}

.hero-poster-text.glitch-active::before {
  color: var(--accent-coral);
  animation: glitch-shift 0.18s steps(1) 0s 3 alternate;
  mix-blend-mode: screen;
  opacity: 0.7;
}

.hero-poster-text.glitch-active::after {
  color: var(--accent-teal);
  animation: glitch-shift 0.18s steps(1) 0.08s 3 alternate;
  mix-blend-mode: screen;
  opacity: 0.6;
}

/* ========== ENSURE TILT DOESN'T FIGHT EXISTING HOVER ON CARDS ========== */
.glass-card.case-study:hover,
.glass-card.skill-card:hover,
.glass-card.compact-project:hover {
  /* JS handles the transform; unset the CSS hover one so they don't conflict */
  transform: none;
}

/* ========== NEO-BRUTALIST DECORATIONS ========== */

/* 1. Scrolling Marquee */
.brutal-marquee-container {
  width: 100%;
  overflow: hidden;
  background: var(--accent-amber);
  border-top: var(--border);
  border-bottom: var(--border);
  padding: 0.6rem 0;
  margin: 4rem 0 2rem;
  transform: rotate(-1deg) scale(1.02);
  box-shadow: 0 4px 0 var(--ink);
  position: relative;
  z-index: 10;
}

.brutal-marquee {
  display: flex;
  white-space: nowrap;
  animation: marquee-scroll 25s linear infinite;
}

.brutal-marquee span {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  padding-right: 2rem;
  text-transform: uppercase;
}

@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 2. Functional Stamps */
.brutal-stamp {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-coral);
  border: 2px solid var(--accent-coral);
  padding: 0.2rem 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 2px;
  background: rgba(255, 99, 105, 0.1);
  transform: rotate(-3deg);
  display: inline-block;
}

/* 3. Masking Tape Strip */
.brutal-tape {
  position: absolute;
  background: rgba(245, 240, 220, 0.85); /* Off-white tape color */
  border: 1px solid rgba(0,0,0,0.1);
  box-shadow: 1px 1px 3px rgba(0,0,0,0.1);
  z-index: 20;
}
html.dark .brutal-tape {
  background: rgba(200, 200, 200, 0.85);
}

.tape-top {
  width: 120px;
  height: 25px;
  top: -12px;
  left: 50%;
  transform: translateX(-50%) rotate(2deg);
  /* Rough ripped edges using clip-path */
  clip-path: polygon(2% 0, 98% 3%, 100% 96%, 1% 100%, 0 54%);
}

/* 4. Floating Geometric Shapes */
.brutal-shape {
  position: absolute;
  color: var(--accent-teal);
  font-family: var(--font-primary);
  line-height: 1;
  pointer-events: none;
  opacity: 0.8;
}

.shape-asterisk {
  font-size: 3rem;
  font-weight: 900;
  top: -1.5rem;
  left: -2.5rem;
  animation: shape-spin 15s linear infinite;
  text-shadow: 2px 2px 0 var(--ink);
}

@keyframes shape-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Relative positioning for section headers to hold the shapes */
.section-header {
  position: relative;
}

/* ========== MOBILE: OPTIMIZE DYNAMIC EFFECTS ========== */
@media (max-width: 768px) {
  /* Typewriter row: single line, slightly smaller, no overflow */
  .hero-typing-row {
    font-size: 0.78rem;
    height: 1.4em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 1.4rem;
  }

  /* Hide the blinking cursor on mobile (text is already animated) */
  .typing-cursor {
    display: none;
  }

  /* Suppress the glitch ::before/::after layers on touch — they're GPU-heavy */
  .hero-poster-text.glitch-active::before,
  .hero-poster-text.glitch-active::after {
    display: none;
  }

  /* Scroll progress bar stays — it's lightweight and useful on mobile */
}

/* ========== LARGE DESKTOP (1920px+): ENHANCE TILT INTENSITY ========== */
@media (min-width: 1920px) {
  /* Tilt handled in JS — just ensure cards keep their border-radius under transform */
  .glass-card {
    transform-style: preserve-3d;
  }
}

/* ========== REDUCED MOTION: GLOBAL FALLBACK ========== */
@media (prefers-reduced-motion: reduce) {
  .typing-cursor,
  .terminal-blink {
    animation: none;
    opacity: 1;
  }

  .hero-poster-text.glitch-active::before,
  .hero-poster-text.glitch-active::after {
    display: none;
  }
}