/* ===========================================================
   TOKENS
   =========================================================== */
:root {
  color-scheme: dark;

  /* Vert canard */
  --teal-900: #0B3D39;
  --teal-700: #10534C;
  --teal-500: #1FA98F;
  --teal-400: #4DD9BE;

  /* Jaune */
  --beige-100: #FFF8E1;
  --beige-200: #FBE9AE;
  --beige-300: #F3D371;
  --yellow-flash: #FFDA00;

  --white: #FFFFFF;
  --ink: var(--beige-100);
  --muted: #A9C7BF;

  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --surface-border: rgba(255, 255, 255, 0.14);

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;

  --max-w: 1160px;
  --edge: clamp(20px, 5vw, 72px);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===========================================================
   FIXED BACKGROUND WALLPAPER
   =========================================================== */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(160deg, rgba(6, 33, 30, 0.55), rgba(6, 33, 30, 0.8)), url(../assets/bg-photo.png);
  background-repeat: no-repeat, no-repeat;
  background-size: cover, cover;
  background-position: center, center;
}

body {
  margin: 0;
  background: var(--teal-900);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--yellow-flash);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }
a { color: inherit; }

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--edge);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--teal-900);
  color: var(--white);
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ===========================================================
   REVEAL ANIMATION
   =========================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ===========================================================
   BUTTONS
   =========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--teal-500);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-700); }

.btn-ghost {
  background: transparent;
  border-color: var(--teal-400);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--teal-500); color: var(--white); border-color: var(--teal-500); }

.btn-small { padding: 10px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===========================================================
   HEADER
   =========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 33, 30, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px var(--edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
}
.logo-chip {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 248, 225, 0.95);
  border-radius: 999px;
  padding: 6px 16px;
}
.logo-img {
  height: 42px;
  width: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-link:hover { color: var(--teal-400); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* ===========================================================
   HERO
   =========================================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 14vw, 140px) 0 clamp(60px, 10vw, 100px);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--teal-400);
  margin-bottom: 14px;
}
.eyebrow-center { text-align: center; }

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 0.4em;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

/* ===========================================================
   SECTION TITLES
   =========================================================== */
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 640px;
}
.services .section-title,
.process .section-title {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ===========================================================
   SERVICES
   =========================================================== */
.services { padding: clamp(60px, 10vw, 110px) 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 36px 30px;
  backdrop-filter: blur(6px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.card:hover {
  transform: translateY(-6px);
  background: var(--surface-strong);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--muted);
  font-size: 0.97rem;
}

.card-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--teal-400);
  text-decoration: none;
}
.card-link:hover { color: var(--beige-300); }

/* ===========================================================
   AGENCE
   =========================================================== */
.agence {
  padding: clamp(60px, 10vw, 110px) 0;
}
.agence .eyebrow { color: var(--teal-400); }

.agence-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.agence-text p { color: var(--muted); }

.agence-points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.agence-points li {
  padding-left: 28px;
  position: relative;
  font-weight: 500;
}
.agence-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal-400);
  font-weight: 800;
}

.agence-visual {
  position: relative;
  min-height: 320px;
}
.agence-blob {
  position: absolute;
  inset: 0;
  border-radius: 40% 60% 55% 45% / 50% 40% 60% 50%;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-400));
  opacity: 0.9;
}
.agence-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--beige-100);
  color: var(--teal-900);
  border-radius: var(--radius);
  padding: 20px 26px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}
.agence-badge-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--teal-700);
}
.agence-badge-label {
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===========================================================
   PROCESS
   =========================================================== */
.process { padding: clamp(60px, 10vw, 110px) 0; }

.carousel {
  margin-top: 48px;
}

.carousel-3d {
  position: relative;
  height: 300px;
  perspective: 1400px;
}

.step {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(360px, 82vw);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  backdrop-filter: blur(6px);
  transition: transform 0.6s cubic-bezier(0.65, 0, 0.35, 1), opacity 0.6s ease;
  transform-style: preserve-3d;
}

.step[data-pos="active"] {
  transform: translate(-50%, 0) translateZ(0) rotateY(0deg) scale(1);
  opacity: 1;
  z-index: 3;
}
.step[data-pos="prev"] {
  transform: translate(calc(-50% - 210px), 10px) rotateY(28deg) scale(0.82);
  opacity: 0.55;
  z-index: 2;
}
.step[data-pos="next"] {
  transform: translate(calc(-50% + 210px), 10px) rotateY(-28deg) scale(0.82);
  opacity: 0.55;
  z-index: 2;
}
.step[data-pos="far"] {
  transform: translate(-50%, 10px) rotateY(0deg) scale(0.6);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

.step-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--teal-400);
  margin-bottom: 12px;
}

.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.92rem; margin: 0; }

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
}

.carousel-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--teal-400);
  background: var(--surface);
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.carousel-arrow:hover {
  background: var(--teal-500);
  color: var(--white);
  border-color: var(--teal-500);
  transform: translateY(-2px);
}

.carousel-dots {
  display: flex;
  gap: 10px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--surface-border);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, transform 0.2s ease;
}
.carousel-dot:hover { transform: scale(1.2); }
.carousel-dot.is-active {
  background: var(--beige-300);
  transform: scale(1.2);
}

/* ===========================================================
   CONTACT
   =========================================================== */
.contact { padding: clamp(60px, 10vw, 110px) 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-intro p { color: var(--muted); }

.contact-details {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-detail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  color: var(--teal-400);
  margin: 0;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-form label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 14px;
}
.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(169, 199, 191, 0.6);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--teal-400);
  outline-offset: 1px;
}
.contact-form .btn { margin-top: 22px; }
.hidden-field { position: absolute; left: -9999px; }

.form-status {
  margin: 12px 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--teal-400);
  min-height: 1.2em;
}
.form-status.is-error { color: var(--beige-300); }

/* ===========================================================
   FOOTER
   =========================================================== */
.site-footer {
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--surface-border);
  color: rgba(251, 247, 238, 0.75);
  padding: 50px 0 30px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand { max-width: 300px; }
.logo-footer {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--beige-100);
}
.logo-footer span { color: var(--teal-400); }
.footer-brand p { margin-top: 10px; font-size: 0.9rem; }

.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  color: rgba(251, 247, 238, 0.85);
}
.footer-nav a:hover { color: var(--teal-400); }

.footer-meta {
  font-size: 0.8rem;
  text-align: right;
}
.footer-meta p { margin: 0 0 4px; }

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .agence-grid { grid-template-columns: 1fr; }
  .agence-visual { min-height: 220px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(8, 40, 37, 0.97);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px var(--edge) 28px;
    border-bottom: 1px solid var(--surface-border);
    display: none;
    gap: 16px;
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav .btn { width: 100%; text-align: center; justify-content: center; }

  .carousel-3d { height: 340px; }
  .step { padding: 28px 22px; }
  .step[data-pos="prev"] { transform: translate(calc(-50% - 120px), 10px) rotateY(28deg) scale(0.72); opacity: 0.4; }
  .step[data-pos="next"] { transform: translate(calc(-50% + 120px), 10px) rotateY(-28deg) scale(0.72); opacity: 0.4; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}