/* ============================================================
   FINLEY IRVINE — PORTFOLIO
   Clean Bench (Light) default · Lab at Night (Dark) toggle
   ============================================================ */

/* 1. CUSTOM PROPERTIES
   ------------------------------------------------------------ */
:root {
  /* Typography */
  --ff-sans: 'Instrument Sans', system-ui, -apple-system, sans-serif;
  --ff-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.8rem);
  --text-sm:   clamp(0.85rem, 0.8rem + 0.25vw, 0.9rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.05rem);
  --text-lg:   clamp(1.25rem, 1.1rem + 0.75vw, 1.4rem);
  --text-xl:   clamp(1.75rem, 1.4rem + 1.5vw, 2.25rem);
  --text-2xl:  clamp(2.25rem, 1.8rem + 2vw, 3.25rem);
  --text-hero: clamp(2.75rem, 2rem + 3.5vw, 5rem);

  /* Spacing scale */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;

  /* Easing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);

  /* Layout */
  --max-width: 1200px;
  --content-padding: clamp(1rem, 4vw, 4rem);
  --nav-height: 64px;
}

/* LIGHT THEME */
html[data-theme="light"] {
  --surface-0: #f5f2ee;
  --surface-1: #faf8f6;
  --surface-2: #ffffff;
  --surface-3: #eeebe6;
  --surface-elevated: #ffffff;

  --text-primary: #1c1916;
  --text-secondary: #5a5048;
  --text-tertiary: #8a8078;

  --accent: #a07818;
  --accent-hover: #b8901e;
  --accent-dim: #d4c4a0;
  --accent-subtle: #f0e8d8;

  --border: #e0dbd4;
  --border-hover: #ccc5bb;

  --nav-bg: rgba(250, 248, 246, 0.85);
  --shadow-sm: 0 1px 3px rgba(28, 25, 22, 0.04);
  --shadow-md: 0 4px 16px rgba(28, 25, 22, 0.06);
  --shadow-lg: 0 8px 32px rgba(28, 25, 22, 0.08);

  --hero-gradient-a: #faf8f6;
  --hero-gradient-b: #f0ece4;

  color-scheme: light;
}

/* DARK THEME (default) */
html, html[data-theme="dark"] {
  --surface-0: #131110;
  --surface-1: #1e1a16;
  --surface-2: #2a2520;
  --surface-3: #332e28;
  --surface-elevated: #2a2520;

  --text-primary: #e8e2da;
  --text-secondary: #a89b8c;
  --text-tertiary: #6e6358;

  --accent: #d4a017;
  --accent-hover: #e8b830;
  --accent-dim: #5c4a1a;
  --accent-subtle: #2a2418;

  --border: #3a342e;
  --border-hover: #4a443e;

  --nav-bg: rgba(30, 26, 22, 0.88);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);

  --hero-gradient-a: #1e1a16;
  --hero-gradient-b: #151210;

  color-scheme: dark;
}


/* 2. RESET + BASE
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: var(--accent);
  color: var(--surface-1);
}


/* 3. TYPOGRAPHY
   ------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.15;
  color: var(--text-primary);
}

h1 { font-size: var(--text-hero); font-weight: 700; letter-spacing: -0.03em; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.02em; }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  max-width: 65ch;
  color: var(--text-secondary);
}

.mono {
  font-family: var(--ff-mono);
  font-size: 0.9em;
}

.kicker {
  font-family: var(--ff-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 400;
}


/* 4. LAYOUT
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease-out-expo);
}

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

/* Skip link (a11y) */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--content-padding);
  background: var(--accent);
  color: var(--surface-1);
  padding: var(--space-sm) var(--space-md);
  border-radius: 4px;
  z-index: 1000;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-sm);
  color: var(--surface-1);
}


/* 5. NAVIGATION
   ------------------------------------------------------------ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

.nav-brand {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out-quart);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: background 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
  background: var(--surface-3);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Mobile nav */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xl) var(--content-padding);
    gap: var(--space-xl);
    background: var(--surface-1);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out-expo);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    font-size: var(--text-lg);
  }
}


/* 6. HERO SECTION
   ------------------------------------------------------------ */
.section-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: linear-gradient(
    160deg,
    var(--hero-gradient-a) 0%,
    var(--hero-gradient-b) 100%
  );
  background-size: 200% 200%;
  animation: heroGradient 20s ease infinite;
  position: relative;
  overflow: hidden;
}

@keyframes heroGradient {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-name {
  margin-bottom: var(--space-md);
}

.hero-tagline {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  min-height: 1.4em;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  width: 100%;
  gap: 10px;
}

.hero-tagline .cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursorBlink 1s step-end infinite;
}

.hero-info-row {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.hero-profile-pic {
  width: 130px;
  height: 130px;
  min-width: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

.hero-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
}

.hero-detail {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.hero-detail .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  background: var(--accent);
  color: var(--surface-1);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: 8px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-cta:hover {
  background: var(--accent-hover);
  color: var(--surface-1);
  transform: translateY(-1px);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--ease-out-quart);
}

.hero-cta:hover svg {
  transform: translateY(3px);
}

/* Decorative grid behind hero */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
}


/* 7. ABOUT SECTION
   ------------------------------------------------------------ */
.section-about .about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2xl);
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about-text p {
  font-size: var(--text-base);
  line-height: 1.7;
}

.about-accent {
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), transparent);
  position: relative;
  min-height: 200px;
}

.about-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

@media (max-width: 768px) {
  .section-about .about-grid {
    grid-template-columns: 1fr;
  }

  .about-accent {
    display: none;
  }
}

/* Section headers shared */
.section-header {
  margin-bottom: var(--space-2xl);
}

.section-header .kicker {
  margin-bottom: var(--space-sm);
  display: block;
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--text-base);
}

/* Section aside — purposeful commentary under each section */
.section-aside {
  margin-top: var(--space-2xl);
  padding: var(--space-lg) var(--space-xl);
  border-left: 2px solid var(--accent-dim);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 65ch;
  font-style: italic;
}


/* 8. PROJECTS SECTION
   ------------------------------------------------------------ */
.project-featured {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease-out-quart), box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
}

@media (hover: hover) {
  .project-featured:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-dim);
  }
}

.project-featured-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--ff-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 4px 10px;
  border-radius: 4px;
  width: fit-content;
}

.project-title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.project-desc {
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-tag {
  font-family: var(--ff-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--surface-3);
  padding: 4px 10px;
  border-radius: 4px;
}

.project-stats {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-visual {
  background: var(--surface-3);
  border-radius: 12px;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border);
}

.project-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-visual-placeholder {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  font-family: var(--ff-mono);
}

.project-card-image {
  margin-top: var(--space-md);
  aspect-ratio: 16 / 10;
  background: var(--surface-3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border);
}

.project-card-screenshot {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.project-card-screenshot--contain {
  object-fit: contain;
}

.project-links {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-md);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  transition: color 0.2s ease;
}

.project-link:hover {
  color: var(--accent-hover);
}

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

/* Smaller project cards */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: transform 0.3s var(--ease-out-quart), box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  height: 100%;
}

@media (hover: hover) {
  .project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-dim);
  }
}

.project-card h3 {
  font-size: var(--text-lg);
}

.project-card p {
  font-size: var(--text-sm);
  flex: 1;
}

.project-card .project-tags {
  margin-top: auto;
}

/* Coming soon card */
.project-card.coming-soon {
  border-style: dashed;
  opacity: 0.7;
  position: relative;
}

.project-card.coming-soon::after {
  content: 'Coming Soon';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-family: var(--ff-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  background: var(--accent-subtle);
  padding: 2px 8px;
  border-radius: 4px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}

@media (max-width: 768px) {
  .project-featured-inner {
    grid-template-columns: 1fr;
  }

  .project-visual {
    order: -1;
  }

  .project-stats {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}


/* 9. SKILLS SECTION
   ------------------------------------------------------------ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.skill-category h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

/* Tag-based skill display (no bars) */
.skill-list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
}

.skill-tag {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--surface-3);
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

@media (hover: hover) {
  .skill-tag:hover {
    border-color: var(--accent-dim);
    color: var(--text-primary);
    transform: translateY(-2px);
  }
}

/* Highlighted skills — AI/LLM */
.skill-tag--highlight {
  color: var(--accent);
  background: var(--accent-subtle);
  border-color: var(--accent-dim);
  font-weight: 600;
}

@media (hover: hover) {
  .skill-tag--highlight:hover {
    border-color: var(--accent);
    color: var(--accent-hover);
  }
}

/* Legacy bar styles kept for backward compat */
.skill-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  list-style: none;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.skill-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.skill-bar-track {
  width: 100%;
  height: 4px;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease-out-expo);
}

.revealed .skill-bar-fill {
  transform: scaleX(1);
}

@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}


/* 10. EXPERIENCE SECTION
   ------------------------------------------------------------ */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.experience-item {
  padding: var(--space-lg);
  padding-left: var(--space-xl);
  border-left: 3px solid var(--accent-dim);
  background: var(--surface-2);
  border-radius: 0 12px 12px 0;
  transition: border-color 0.3s ease, transform 0.3s var(--ease-out-quart);
  position: relative;
}

@media (hover: hover) {
  .experience-item:hover {
    border-left-color: var(--accent);
    transform: translateX(4px);
  }
}

.experience-item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: var(--space-lg);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--surface-1);
  transition: background 0.3s ease;
}

@media (hover: hover) {
  .experience-item:hover::before {
    background: var(--accent);
  }
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.experience-role {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

.experience-date {
  font-family: var(--ff-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.experience-org {
  font-size: var(--text-sm);
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.experience-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.experience-highlights {
  list-style: none;
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.experience-highlights li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--space-md);
  position: relative;
}

.experience-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-dim);
}


/* 11. INTERESTS SECTION
   ------------------------------------------------------------ */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.interest-card {
  padding: var(--space-lg);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform 0.3s var(--ease-out-quart), border-color 0.3s ease;
}

@media (hover: hover) {
  .interest-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-dim);
  }
}

.interest-icon {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.interest-card h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.interest-card p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}


/* 12. CONTACT SECTION
   ------------------------------------------------------------ */
.section-contact {
  text-align: center;
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.contact-link svg {
  width: 18px;
  height: 18px;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  background: var(--accent);
  color: var(--surface-1);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: 8px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.contact-cta:hover {
  background: var(--accent-hover);
  color: var(--surface-1);
  transform: translateY(-1px);
}

/* Clubs/Activities */
.clubs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.club-tag {
  font-family: var(--ff-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--surface-3);
  padding: 4px 12px;
  border-radius: 4px;
}


/* 13. FOOTER
   ------------------------------------------------------------ */
.site-footer {
  padding: var(--space-xl) 0;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  border-top: 1px solid var(--border);
}


/* 14. ANIMATION KEYFRAMES + REVEAL SYSTEM
   ------------------------------------------------------------ */

/* Base: hidden state */
[data-reveal] {
  opacity: 0;
}

[data-reveal="fade-up"] {
  transform: translateY(24px);
}

[data-reveal="slide-in-left"] {
  transform: translateX(-40px);
}

[data-reveal="slide-in-right"] {
  transform: translateX(40px);
}

/* Revealed state */
[data-reveal].revealed {
  opacity: 1;
  transform: translate(0, 0);
  transition:
    opacity 0.6s var(--ease-out-expo),
    transform 0.6s var(--ease-out-expo);
}

[data-reveal="fade-in"].revealed {
  transition-duration: 0.5s;
}

/* Stagger delays via CSS variable */
[data-reveal-group] > [data-reveal].revealed {
  transition-delay: calc(var(--i, 0) * 60ms);
}

/* Assemble effect — individual word/char spans */
.assemble-char {
  display: inline-block;
  opacity: 0;
  transform: translate(var(--scatter-x, 0), var(--scatter-y, 0));
  transition: opacity 0.5s var(--ease-out-expo), transform 0.5s var(--ease-out-expo);
  transition-delay: calc(var(--i, 0) * 30ms);
}

.revealed .assemble-char {
  opacity: 1;
  transform: translate(0, 0);
}

/* Counter — animated by JS */
[data-counter] {
  font-variant-numeric: tabular-nums;
}

/* Draw SVG */
[data-reveal="draw"] svg path,
[data-reveal="draw"] svg line {
  stroke-dasharray: var(--path-length, 200);
  stroke-dashoffset: var(--path-length, 200);
  transition: stroke-dashoffset 0.8s var(--ease-out-expo);
}

[data-reveal="draw"].revealed svg path,
[data-reveal="draw"].revealed svg line {
  stroke-dashoffset: 0;
}


/* 15. APPLICATION PAGE OVERRIDES
   ------------------------------------------------------------ */
.application-page .section-hero {
  min-height: 70vh;
}

.application-page .app-greeting {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.application-page .app-hook {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 55ch;
}

.app-section {
  padding: var(--space-3xl) 0;
}

.app-section h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-lg);
}

.app-work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.app-cta-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-xl);
}


/* 16. REDUCED MOTION
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .assemble-char {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-tagline .cursor {
    display: none;
  }

  .section-divider {
    transform: scaleX(1) !important;
  }
}