:root {
  --bg: #FAF8F5;
  --ink: #1F1F1F;
  --muted: #6D6863;
  --beige: #EDE6DD;
  --gold: #C8A96A;
  --ivory: #FFFDF8;
  --line: rgba(31, 31, 31, 0.11);
  --soft-shadow: 0 28px 80px rgba(31, 31, 31, 0.08);
  --serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --sans: "Manrope", Inter, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: geometricPrecision;
}

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

img {
  height: auto;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3, p { margin-top: 0; }

h1, h2 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 0.95;
}

h1 {
  max-width: 900px;
  margin-bottom: 28px;
  font-size: clamp(4.25rem, 10vw, 9.3rem);
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 6.4vw, 6.7rem);
}

h3 {
  margin-bottom: 14px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 82px;
  padding: 20px clamp(20px, 5vw, 76px);
  color: var(--ivory);
  background: linear-gradient(180deg, rgba(31,31,31,0.72), rgba(31,31,31,0));
}

.brand img {
  width: 142px;
  filter: brightness(0) invert(1);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 34px);
  color: rgba(255, 253, 248, 0.78);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.main-nav a {
  position: relative;
  padding-bottom: 8px;
}

.main-nav a::after {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  content: "";
  opacity: 0;
  transform: scaleX(0.2);
  transition: opacity 240ms ease, transform 240ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--ink);
}

.hero-bg,
.hero picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  object-fit: cover;
  object-position: center;
  animation: heroDrift 22s ease-in-out infinite alternate;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(31,31,31,0.68) 0%, rgba(31,31,31,0.36) 42%, rgba(31,31,31,0.14) 100%),
    linear-gradient(0deg, rgba(31,31,31,0.72) 0%, rgba(31,31,31,0.04) 58%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 150px 0 128px;
  color: var(--ivory);
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 580px;
  margin-bottom: 36px;
  color: rgba(255, 253, 248, 0.82);
  font-size: clamp(1.02rem, 1.7vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: transform 240ms ease, background 240ms ease, border-color 240ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-light {
  background: var(--ivory);
  color: var(--ink);
}

.btn-glass,
.btn-outline-light {
  color: var(--ivory);
  border-color: rgba(255, 253, 248, 0.58);
  background: rgba(255, 253, 248, 0.08);
  backdrop-filter: blur(10px);
}

.btn-glass:hover,
.btn-outline-light:hover,
.btn-glass:focus-visible,
.btn-outline-light:focus-visible {
  border-color: var(--gold);
}

.hero-meta {
  position: absolute;
  z-index: 3;
  left: clamp(20px, 5vw, 76px);
  right: clamp(20px, 5vw, 76px);
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  color: rgba(255, 253, 248, 0.68);
  border-top: 1px solid rgba(255, 253, 248, 0.18);
}

.hero-meta span {
  padding: 18px 16px 0;
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(92px, 13vw, 180px) 0;
}

.manifest {
  max-width: 1030px;
  text-align: center;
}

.manifest p {
  max-width: 730px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
}

.section-head {
  max-width: 820px;
  margin-bottom: 44px;
}

.section-head.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.video-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  grid-template-rows: repeat(2, minmax(240px, 1fr));
  gap: 18px;
}

.video-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  min-height: 280px;
  background: var(--beige);
  box-shadow: var(--soft-shadow);
}

.video-card-large {
  grid-row: 1 / 3;
  min-height: 620px;
}

.video-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 253, 248, 0.45);
  border-radius: 999px;
  color: var(--ivory);
  background: rgba(31, 31, 31, 0.28);
  backdrop-filter: blur(10px);
  content: "Son au passage";
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.video-card:hover::after,
.video-card.is-playing::after {
  opacity: 1;
  transform: translateY(0);
  content: "Son activé";
}

.testimonials {
  padding-top: 80px;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.testimonial-grid figure {
  margin: 0;
  padding: clamp(28px, 4vw, 46px);
  background: var(--ivory);
}

.testimonial-grid blockquote {
  margin: 0 0 30px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.2vw, 2.25rem);
  line-height: 1.05;
}

.testimonial-grid figcaption {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.mastery-grid,
.program-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.mastery-grid article,
.program-grid article {
  min-height: 220px;
  padding: 34px;
  background: var(--bg);
}

.mastery-grid span,
.program-grid span {
  display: block;
  margin-bottom: 42px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 2rem;
}

.mastery-grid p {
  max-width: 250px;
  margin: 0;
  font-size: 1.12rem;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 760px;
  background: var(--ivory);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-copy {
  align-self: center;
  max-width: 640px;
  padding: clamp(48px, 8vw, 104px);
}

.split-copy p,
.program-intro p {
  color: var(--muted);
  font-size: 1.13rem;
}

.transform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.transform-grid article {
  padding: clamp(34px, 5vw, 62px);
  background: var(--ivory);
  border: 1px solid var(--line);
}

.transform-grid .after {
  background: var(--ink);
  color: var(--ivory);
}

.transform-grid .after h3 {
  color: var(--gold);
}

.transform-grid ul {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.transform-grid .after ul {
  color: rgba(255, 253, 248, 0.78);
}

.program {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) 1.28fr;
  gap: clamp(40px, 7vw, 92px);
  align-items: start;
}

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

.program-grid article {
  min-height: 190px;
}

.program-grid h3 {
  max-width: 250px;
  font-size: 1.2rem;
}

.image-break {
  height: min(760px, 78vw);
  overflow: hidden;
}

.image-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.final-cta {
  padding: clamp(96px, 14vw, 176px) 20px;
  color: var(--ivory);
  background:
    linear-gradient(rgba(31,31,31,0.82), rgba(31,31,31,0.82)),
    url("assets/studio-single.jpg") center / cover;
  text-align: center;
}

.final-cta h2,
.final-cta p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta p {
  color: rgba(255, 253, 248, 0.76);
  font-size: 1.1rem;
}

.final-cta .hero-actions {
  justify-content: center;
  margin-top: 34px;
}

.site-footer {
  display: grid;
  justify-items: center;
  gap: 24px;
  padding: 62px 20px;
  color: var(--muted);
  background: var(--bg);
  text-align: center;
}

.site-footer img {
  width: 160px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer p { margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms ease, transform 900ms ease;
}

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

@keyframes heroDrift {
  from { transform: scale(1); }
  to { transform: scale(1.045); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    background: linear-gradient(180deg, rgba(31,31,31,0.68), rgba(31,31,31,0));
  }

  .main-nav {
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    gap: 18px;
    padding-bottom: 8px;
    white-space: nowrap;
  }

  .hero-inner {
    padding-top: 210px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 0;
  }

  .hero-meta span {
    display: none;
  }

  .video-grid,
  .split-section,
  .transform-grid,
  .program {
    grid-template-columns: 1fr;
  }

  .video-card-large {
    grid-row: auto;
    min-height: 420px;
  }

  .testimonial-grid,
  .mastery-grid,
  .program-grid {
    grid-template-columns: 1fr;
  }

  .split-section {
    min-height: 0;
  }

  .split-media img {
    height: 520px;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(3.8rem, 18vw, 5.6rem);
  }

  h2 {
    font-size: clamp(2.7rem, 14vw, 4.2rem);
  }

  .site-header {
    padding: 18px;
  }

  .brand img {
    width: 124px;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 8px 11px;
    overflow: visible;
    white-space: normal;
    font-size: 0.54rem;
    letter-spacing: 0.11em;
  }

  .main-nav a {
    padding-bottom: 4px;
  }

  .hero-inner {
    width: calc(100% - 32px);
    padding-bottom: 82px;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .hero-bg {
    object-position: center;
  }

  .section {
    width: calc(100% - 32px);
    padding: 88px 0;
  }

  .video-card,
  .video-card-large {
    min-height: 360px;
  }

  .mastery-grid article,
  .program-grid article,
  .testimonial-grid figure,
  .transform-grid article {
    padding: 28px;
  }

  .split-copy {
    padding: 52px 24px;
  }

  .split-media img {
    height: 440px;
  }

  .image-break {
    height: 520px;
  }
}