@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* ─── RESET ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: none; }
body { line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }
a { color: inherit; }
ul, ol { list-style: none; padding: 0; }

/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  --bg:           #141413;
  --surface:      #1c1c1a;
  --surface-alt:  #232320;
  --border:       #2e2e2a;
  --border-hover: rgba(232, 221, 208, 0.25);
  --accent:       #e8ddd0;
  --accent-warm:  #c9a96e;
  --text:         #e8ddd0;
  --text-muted:   #7a7a6e;
  --text-dim:     #4a4a40;
  --glow:         rgba(232, 221, 208, 0.04);
  --glow-warm:    rgba(201, 169, 110, 0.10);
  --badge-bg:     rgba(201, 169, 110, 0.10);
  --badge-border: rgba(201, 169, 110, 0.25);
  --badge-text:   #c9a96e;
  --tag-bg:       rgba(232, 221, 208, 0.06);
  --tag-border:   rgba(232, 221, 208, 0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.3s;
  --nav-height: 60px;
  --max-width: 1080px;
}

/* ─── TYPOGRAPHY ─────────────────────────────────────── */
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
}

h1, h2, h3 {
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ─── LAYOUT ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

section {
  padding-block: 96px;
}

section + section {
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.025em;
}

.section-subtitle {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 15px;
}

.section-header {
  margin-bottom: 48px;
}

/* ─── ANIMATIONS ─────────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(48px);
  transition:
    opacity 0.6s var(--ease),
    transform 0.6s var(--ease);
  transition-delay: calc(var(--stagger, 0) * 80ms);
}

[data-animate="visible"] {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(60px, -40px) scale(1.1); }
}

@keyframes drift-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-50px, 50px) scale(0.95); }
}

@keyframes wordIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes wordOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

.hero-word { display: inline; }
.hero-word.fade-out { animation: wordOut 0.3s var(--ease) forwards; }
.hero-word.fade-in  { animation: wordIn  0.3s var(--ease) forwards; }

@media (prefers-reduced-motion: reduce) {
  [data-animate] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-mesh-a, .hero-mesh-b { animation: none !important; }
}

/* ─── NAV ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.nav.scrolled {
  background: rgba(20, 20, 19, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-warm);
  letter-spacing: 0.06em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--duration) var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--accent-warm);
  transform: scaleX(0);
  transition: transform var(--duration) var(--ease);
  transform-origin: left;
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-muted);
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    background: rgba(20, 20, 19, 0.97);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open { display: flex; }
}

/* ─── HERO ───────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
  border-top: none !important;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-mesh-a, .hero-mesh-b {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}

.hero-mesh-a {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,169,110,0.07) 0%, transparent 70%);
  top: -100px; right: -80px;
  animation: drift-a 20s ease-in-out infinite;
}

.hero-mesh-b {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232,221,208,0.04) 0%, transparent 70%);
  bottom: -80px; left: -60px;
  animation: drift-b 24s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(44px, 6.5vw, 72px);
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1.06;
  margin-bottom: 24px;
}

.hero-title em {
  font-style: normal;
  font-weight: 500;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #f0e6d8;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  color: var(--accent);
  transform: translateY(-1px);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
}

/* ─── PROJECTS ───────────────────────────────────────── */
.projects-grid {
  display: grid;
  gap: 20px;
}

.projects-sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition:
    border-color var(--duration) var(--ease),
    box-shadow   var(--duration) var(--ease),
    background   var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 0%, var(--glow-warm), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 60px var(--glow);
  background: var(--surface-alt);
}

.card:hover::before { opacity: 1; }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.card-category {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  white-space: nowrap;
  flex-shrink: 0;
}

.card-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-warm);
}

.card-title {
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card-hook {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.5;
}

.card-divider {
  height: 1px;
  background: var(--border);
}

.card-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.card-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.card-stat-value {
  font-size: 22px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}

.card-stat-label {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  color: var(--text-muted);
  white-space: nowrap;
  transition: border-color var(--duration) var(--ease), color var(--duration) var(--ease);
}

.card:hover .tag {
  border-color: rgba(232,221,208,0.18);
}

.card-ctas {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: auto;
}

.card-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  background: var(--accent);
  color: var(--bg);
  transition: all var(--duration) var(--ease);
}

.card-cta-primary:hover {
  background: #f0e6d8;
  transform: translateY(-1px);
}

.card-cta-muted {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.04em;
}

@media (max-width: 820px) {
  .projects-sub-grid { grid-template-columns: 1fr; }
  .card { padding: 28px; }
  .card-stat-value { font-size: 20px; }
}

/* ─── SKILLS ─────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 80px;
}

.skill-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skill-group-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-warm);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1;
  padding-block: 2px;
}

.skill-item::before {
  content: '';
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(232,221,208,0.2);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ─── CONTACT ────────────────────────────────────────── */
.contact { text-align: center; }

.contact-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.contact-sub {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.contact-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
}

.contact-link-primary {
  background: var(--accent);
  color: var(--bg);
}

.contact-link-primary:hover {
  background: #f0e6d8;
  transform: translateY(-1px);
}

.contact-link-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.contact-link-secondary:hover {
  border-color: var(--border-hover);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ─── FOOTER ─────────────────────────────────────────── */
footer {
  padding-block: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}

@media (max-width: 640px) {
  section { padding-block: 64px; }

  /* Hero */
  .hero-title {
    font-size: clamp(30px, 9vw, 44px);
    line-height: 1.1;
  }

  .hero-sub {
    font-size: 15px;
    max-width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  /* Hide scroll nudge on mobile — doesn't add value */
  .hero-scroll { display: none; }

  /* Cards */
  .card-stats {
    gap: 16px;
    flex-wrap: wrap;
  }

  .card-stat-value { font-size: 18px; }

  .card-tags { gap: 5px; }

  /* Contact */
  .contact-links {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin-inline: auto;
  }

  .contact-link {
    justify-content: center;
  }

  /* Footer */
  footer { font-size: 11px; }
}

/* Very small screens */
@media (max-width: 380px) {
  .container { padding-inline: 16px; }
  .card { padding: 20px; }
  .nav-logo { font-size: 13px; }
}