/* ============================================
   SILLAGE ROYAL — Style principal
   Version 2.0 — Modifications Sam
   ============================================ */

/* --- Variables --- */
:root {
  --bg-primary: #0A1A0F;
  --bg-secondary: #0D2818;
  --bg-card: #11261A;
  --bg-nav: #07120A;
  --text-primary: #F5F0E8;
  --text-secondary: #C4BBAF;
  --text-muted: #8A847A;
  --accent: #C9A96E;
  --accent-hover: #D8BD82;
  --accent-soft: rgba(201, 169, 110, 0.12);
  --border: rgba(201, 169, 110, 0.20);
  --border-light: rgba(245, 240, 232, 0.08);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-title: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 18px;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent-hover); }

ul { list-style: none; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
}
.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.nav-links a.nav-cta {
  background: var(--accent);
  color: var(--bg-primary);
  padding: .6rem 1.6rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
}

.nav-links a.nav-cta:hover {
  background: var(--accent-hover);
  color: var(--bg-primary);
}

/* --- Hamburger (mobile) --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  cursor: pointer;
  z-index: 1001;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}
.overlay.open { display: block; opacity: 1; }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 90px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(10, 26, 15, 0.95) 0%, transparent 70%);
  background-color: var(--bg-primary);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.15'/%3E%3C/svg%3E");
  opacity: .4;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-title);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -.02em;
  color: var(--text-primary);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 110, 0.25);
}

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

.btn-outline:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.2rem 2.8rem;
  font-size: 1.15rem;
}

/* --- Sections générales --- */
.section {
  padding: 100px 0;
}

.bg-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.7;
}

.accent-line {
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 1.5rem auto 0;
  border-radius: 2px;
}

/* --- Steps Grid --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  transition: all var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(201, 169, 110, 0.35);
}

.step-number {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: .3;
  line-height: 1;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: .75rem;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

/* --- Solutions Grid --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition);
}

.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(201, 169, 110, 0.35);
}

.solut
...(truncated).../* ===== CONTACT PAGE ===== */
.contact-flex {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-flex { grid-template-columns: 1fr; }
}
.contact-form-card {
  background: #1e2d20;
  border: 1px solid #3a5a3e;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.contact-form-card h2 {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  color: var(--accent);
  margin-bottom: .25rem;
}
.contact-form-card .form-sub {
  color: var(--text-muted);
  font-size: .9rem;
  margin-bottom: 1.8rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.contact-form-card label {
  display: block;
  color: #d4cfc8;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .4rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.contact-form-card .required { color: var(--accent); }
.contact-form-card input,
.contact-form-card select,
.contact-form-card textarea {
  width: 100%;
  padding: .75rem 1rem;
  background: #0f1d12;
  border: 1px solid #3a5a3e;
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color .2s;
  box-sizing: border-box;
}
.contact-form-card input:focus,
.contact-form-card select:focus,
.contact-form-card textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact-form-card textarea {
  min-height: 120px;
  resize: vertical;
}
.contact-form-card .form-group { margin-bottom: 1.25rem; }
.contact-form-card .pref-group {
  background: #0f1d12;
  border: 1px solid #3a5a3e;
  border-radius: var(--radius);
  padding: 1.2rem 1.2rem .5rem;
}
.pref-group label {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.pref-row {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: .5rem;
  margin-bottom: .8rem;
}
.pref-row label.pref-option {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 400;
}
.pref-row input[type="checkbox"] {
  width: auto;
  accent-color: var(--accent);
}
.btn-submit {
  width: 100%;
  padding: .9rem 2rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #0A1A0F;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  margin-top: .5rem;
}
.btn-submit:hover {
  background: #dfbe7a;
  transform: translateY(-2px);
}
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}
.form-success .check { font-size: 3rem; margin-bottom: 1rem; }
.form-success h3 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: .5rem;
}
.form-success p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 400px;
  margin: 0 auto;
}
.contact-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-side-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.contact-side-card h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: .75rem;
}
.contact-side-card p {
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.6;
  margin: 0;
}
.contact-side-card .row {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  margin-top: .8rem;
}
.contact-side-card .row .ic { font-size: 1.3rem; line-height: 1.4; }
.contact-side-card .row .txt h4 {
  font-size: .85rem;
  color: var(--accent);
  margin: 0 0 .15rem;
  font-weight: 600;
}
.contact-side-card .row .txt p {
  color: var(--text-muted);
  font-size: .85rem;
  margin: 0;
}
.contact-side-card .row .txt a {
  color: var(--accent);
  text-decoration: none;
}
.contact-side-card .row .txt a:hover { text-decoration: underline; }
/* --- Contact Vitrine --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 800px;
  margin: 0 auto;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  transition: border-color var(--transition);
}
.contact-card:hover {
  border-color: rgba(201, 169, 110, 0.35);
}
.contact-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 10px;
}
.contact-card h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  margin-bottom: .3rem;
  color: var(--accent);
}
.contact-card p {
  font-size: .93rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.contact-card a {
  color: var(--accent);
}
.contact-card a:hover {
  color: var(--accent-hover);
}
.contact-photos {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.photo-placeholder {
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.photo-icon {
  font-size: 3rem;
  margin-bottom: .5rem;
  opacity: .4;
}
.photo-placeholder p {
  color: var(--text-muted);
  font-size: .9rem;
}
@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}