/* ── Reset & tokens ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white: #fafaf9;
  --black: #111110;
  --gray-100: #f5f5f4;
  --gray-300: #d6d3d1;
  --gray-500: #78716c;
  --gray-700: #44403c;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --max-w: 1120px;
  --section-gap: clamp(80px, 12vw, 160px);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 64px);
  height: 64px;
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

#header.scrolled { border-bottom-color: var(--gray-300); }

.logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--black);
  text-decoration: none;
  letter-spacing: 0.05em;
}

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

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--gray-700);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--black); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--black);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:first-child { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:last-child  { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero ── */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 0 clamp(24px, 5vw, 64px);
  padding-top: 64px;
}

.hero-inner { max-width: 700px; position: relative; z-index: 1; }

/* ── Hero circle ── */
.hero-circle {
  position: absolute;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(380px, 50vw, 620px);
  height: clamp(380px, 50vw, 620px);
  color: var(--gray-300);
  opacity: 0;
  transform: translateY(-50%) scale(0.92);
  pointer-events: none;
}

@media (max-width: 768px) {
  .hero-circle {
    right: -180px;
    width: 340px;
    height: 340px;
    top: auto;
    bottom: 5%;
    transform: none;
  }
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 24px;
  opacity: 0;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.hero-name .word {
  display: block;
  overflow: hidden;
}

.hero-name .word span {
  display: block;
  transform: translateY(110%);
}

.hero-title {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--gray-700);
  margin-bottom: 12px;
  opacity: 0;
}

.hero-tagline {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  color: var(--gray-500);
  margin-bottom: 48px;
  opacity: 0;
}

.cta-scroll {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--black);
  transition: gap var(--transition), opacity var(--transition);
  opacity: 0;
}

.cta-scroll:hover { gap: 12px; }

/* ── Sections ── */
section { padding: var(--section-gap) clamp(24px, 5vw, 64px); }

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-inner--narrow {
  max-width: 640px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: clamp(40px, 6vw, 80px);
}

/* ── Skills ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
}

.skill-block {
  background: var(--white);
  padding: 40px 32px;
  transition: background var(--transition);
}

.skill-block:hover { background: var(--gray-100); }

.skill-icon {
  width: 24px;
  height: 24px;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.skill-block h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.skill-block p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ── Projects ── */
#projets { background: var(--gray-100); }

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  padding: clamp(48px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--gray-300);
}

.project-card:last-child { border-bottom: none; }
.project-card--reverse .project-meta { order: 2; }
.project-card--reverse .project-media { order: 1; }

.project-type {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.project-card h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.1;
  margin-bottom: 16px;
}

.project-card p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.65;
  margin-bottom: 24px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-300);
  padding-bottom: 2px;
  transition: border-color var(--transition), gap var(--transition);
}

.project-link:hover { border-color: var(--black); gap: 10px; }

/* Media placeholders */
.embed-placeholder,
.social-placeholder {
  background: var(--gray-300);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  aspect-ratio: 16 / 10;
  color: var(--gray-500);
  font-size: 0.875rem;
  text-align: center;
  padding: 24px;
}

.embed-note {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 8px;
  display: block;
}

code {
  font-family: monospace;
  background: var(--gray-100);
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 0.8em;
}

.video-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--black);
  border-radius: 4px;
  overflow: hidden;
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.site-preview {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--gray-300);
}

.site-preview iframe {
  width: 200%;
  height: 200%;
  border: none;
  transform: scale(0.5);
  transform-origin: top left;
  pointer-events: none;
}

.preview-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.04);
  color: var(--black);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition);
}

.site-preview:hover .preview-overlay {
  opacity: 1;
  background: rgba(0,0,0,0.08);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.social-grid .social-placeholder {
  aspect-ratio: 1;
  font-size: 0.75rem;
}

/* ── About ── */
.about-text {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.35;
  margin-bottom: 24px;
}

.about-sub {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ── Contact ── */
.contact-intro {
  font-size: 1.125rem;
  color: var(--gray-700);
  margin-bottom: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 48px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.form-row input,
.form-row textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gray-300);
  padding: 10px 0;
  color: var(--black);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus { border-bottom-color: var(--black); }

.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--gray-300); }

.btn-submit {
  align-self: flex-start;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 14px 28px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: opacity var(--transition);
}

.btn-submit:hover { opacity: 0.8; }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-300);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--gray-700);
  text-decoration: none;
  transition: color var(--transition);
}

.contact-link:hover { color: var(--black); }

/* ── Footer ── */
footer {
  padding: 32px clamp(24px, 5vw, 64px);
  border-top: 1px solid var(--gray-300);
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* ── Project screenshot (LSDJ) ── */
.project-screenshot {
  width: 100%;
  border-radius: 4px;
  display: block;
  object-fit: cover;
}

/* ── RS strip (Mes Convictions) ── */
.rs-strip {
  margin-top: 12px;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
}

.rs-strip__link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--gray-500);
  text-decoration: none;
  transition: color var(--transition);
}

.rs-strip__link:hover { color: var(--black); }

/* ── RS video (Mes Convictions) ── */
.rs-video-block { margin-top: 14px; }

.rs-video-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 10px;
}

.rs-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  max-width: 220px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--black);
}

.rs-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.rs-duo {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.rs-duo .rs-video-wrapper {
  flex: 0 0 auto;
}

.rs-screenshot {
  flex: 1 1 auto;
  border-radius: 4px;
  object-fit: cover;
  max-height: 360px;
  width: 100%;
}

/* ── GSAP initial states ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
  }

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

  .nav-links a { font-size: 1.25rem; }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-card--reverse .project-meta,
  .project-card--reverse .project-media { order: unset; }

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

  .social-grid { grid-template-columns: 1fr 1fr; }
  .social-grid .social-placeholder:last-child { display: none; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .hero-eyebrow, .hero-title, .hero-tagline, .cta-scroll { opacity: 1 !important; transform: none !important; }
  .hero-name .word span { transform: none !important; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}