/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --bg: #080808;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --text: #f4f2ee;
  --muted: #8a8780;
  --accent: #c4b5a0;
  --accent-dim: rgba(196, 181, 160, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --max: 1120px;
  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding: 120px 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
}

.section-label::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.section-label span {
  color: var(--accent);
}

/* ── Nav ────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease);
}

.nav.scrolled {
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.nav-logo em {
  font-style: normal;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color 0.25s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 80px) 0 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .line span {
  display: block;
  transform: translateY(110%);
  animation: rise 1s var(--ease) forwards;
}

.hero-title .line:nth-child(2) span { animation-delay: 0.1s; }
.hero-title .line:nth-child(3) span { animation-delay: 0.2s; }

@keyframes rise {
  to { transform: translateY(0); }
}

.hero-right {
  padding-bottom: 8px;
}

.hero-role {
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-desc {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  max-width: 420px;
  margin-bottom: 40px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: var(--radius);
  transition: border-color 0.25s, color 0.25s;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: max(24px, calc((100vw - var(--max)) / 2));
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-scroll::after {
  content: "";
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-line 2s ease infinite;
}

@keyframes scroll-line {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

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

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

.btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s var(--ease);
}

.btn:hover svg { transform: translateX(3px); }

/* ── About strip ────────────────────────────────────────── */
.about-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.about-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ── Section headings ───────────────────────────────────── */
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--muted);
  font-size: 16px;
  max-width: 520px;
  margin-bottom: 56px;
}

/* ── Project cards ──────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
}

.project-card {
  background: var(--surface);
  position: relative;
  overflow: hidden;
  group: card;
}

.project-card-link {
  display: block;
  padding: 40px;
  height: 100%;
  transition: background 0.4s var(--ease);
}

.project-card-link:hover {
  background: var(--surface-2);
}

.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
  position: relative;
}

.project-thumb-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.25);
  transition: transform 0.6s var(--ease);
}

.project-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.project-card-link:hover .project-thumb-img,
.project-card-link:hover .project-thumb-inner {
  transform: scale(1.04);
}

.thumb-maison { background: linear-gradient(135deg, #1a1510 0%, #3d2e1f 50%, #1a1510 100%); }
.thumb-floom { background: linear-gradient(135deg, #0d1f1a 0%, #1a3d32 50%, #0d1f1a 100%); }
.thumb-health { background: linear-gradient(135deg, #0d1520 0%, #1a2d4a 50%, #0d1520 100%); }
.thumb-bits3 { background: linear-gradient(135deg, #15101a 0%, #2d1f3d 50%, #15101a 100%); }
.thumb-avenues { background: linear-gradient(135deg, #1a1008 0%, #3d2810 50%, #1a1008 100%); }
.thumb-watch { background: linear-gradient(135deg, #101010 0%, #2a2a2a 50%, #101010 100%); }

.project-num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

.project-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.project-type {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.project-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.project-arrow {
  position: absolute;
  bottom: 40px;
  right: 40px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translate(-8px, 8px);
  transition: opacity 0.3s, transform 0.3s var(--ease), border-color 0.3s;
}

.project-card-link:hover .project-arrow {
  opacity: 1;
  transform: translate(0, 0);
  border-color: var(--accent);
}

/* ── Education & Courses ────────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  padding: 36px 40px;
  background: var(--surface);
  border-left: 2px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.timeline-item:hover {
  background: var(--surface-2);
  border-left-color: var(--accent);
}

.timeline-year {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 4px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 6px;
}

.timeline-org {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Courses grid ───────────────────────────────────────── */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
}

.course-card {
  background: var(--surface);
  padding: 36px 32px;
  transition: background 0.3s;
}

.course-card:hover { background: var(--surface-2); }

.course-provider {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.course-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 12px;
  line-height: 1.2;
}

.course-meta {
  font-size: 13px;
  color: var(--muted);
}

/* ── Contact ────────────────────────────────────────────── */
.contact {
  border-top: 1px solid var(--border);
  padding: 100px 0 60px;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}

.contact-heading em {
  font-style: italic;
  color: var(--accent);
}

.contact-text {
  color: var(--muted);
  font-size: 15px;
  margin-top: 24px;
  max-width: 360px;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--surface);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: background 0.3s, color 0.3s;
  border-left: 2px solid transparent;
}

.social-link:hover {
  background: var(--surface-2);
  border-left-color: var(--accent);
  color: var(--accent);
}

.social-link svg {
  width: 18px;
  height: 18px;
  opacity: 0.5;
  transition: opacity 0.3s, transform 0.3s var(--ease);
}

.social-link:hover svg {
  opacity: 1;
  transform: translate(4px, -4px);
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.footer-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  transition: color 0.25s;
}

.footer-back:hover { color: var(--accent); }

/* ── Projects page ──────────────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  border-bottom: 1px solid var(--border);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 20px;
}

.page-hero-sub {
  color: var(--muted);
  font-size: 16px;
  max-width: 480px;
}

.projects-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  padding: 2px 0;
}

.projects-full-grid .project-card-link {
  padding: 32px;
}

.projects-full-grid .project-title {
  font-size: 22px;
}

/* ── Reveal animations ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-strip-inner { grid-template-columns: 1fr; gap: 24px; }
  .projects-grid { grid-template-columns: 1fr; }
  .projects-full-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .hero-scroll { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 80px 0; }
  .container { width: calc(100% - 32px); }
  .nav-inner { width: calc(100% - 32px); }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(8, 8, 8, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 32px;
    gap: 24px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.4s var(--ease), opacity 0.4s;
    pointer-events: none;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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