/* filigrane-hautepapeterie.fr — Landing Page */

:root {
  --color-primary: #4a2c3d;
  --color-primary-dark: #2e1a26;
  --color-accent: #c9a962;
  --color-accent-light: #dfc88a;
  --color-bg: #faf7f2;
  --color-bg-dark: #1f1418;
  --color-text: #2a2226;
  --color-text-muted: #5c5258;
  --color-white: #ffffff;
  --color-border: #e8e0d4;
  --font-heading: "Cormorant Garamond", Georgia, serif;
  --font-body: "Source Sans 3", sans-serif;
  --shadow: 0 4px 24px rgba(46, 26, 38, 0.08);
  --shadow-lg: 0 12px 48px rgba(46, 26, 38, 0.14);
  --radius: 10px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(145deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-white);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-size: 0.72rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.main-nav ul {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.main-nav a:hover {
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

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

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(201, 169, 98, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.75);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Hero */

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(31, 20, 24, 0.88) 0%, rgba(74, 44, 61, 0.78) 55%, rgba(46, 26, 38, 0.92) 100%),
    url("/images/hero.jpg") center / cover no-repeat;
  color: var(--color-white);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 25%, rgba(201, 169, 98, 0.12) 0%, transparent 55%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 740px;
  padding: 5rem 0;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  margin-bottom: 1.25rem;
  background: rgba(201, 169, 98, 0.18);
  border: 1px solid rgba(201, 169, 98, 0.45);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.35rem, 5vw, 3.65rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.65;
  opacity: 0.92;
  margin-bottom: 2rem;
  max-width: 600px;
}

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

/* Sections */

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3vw, 2.65rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section-alt {
  background: var(--color-white);
}

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.section-dark .section-header h2 {
  color: var(--color-accent);
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.72);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, var(--color-primary), var(--color-primary-dark));
}

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

.about-content h3 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.about-content p {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.25rem;
  background: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Content */

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
}

.content-main p {
  margin-bottom: 1.15rem;
  color: var(--color-text-muted);
}

.content-main h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--color-primary-dark);
  margin: 2rem 0 0.75rem;
}

.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-accent);
}

.sidebar-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.sidebar-card ul {
  list-style: none;
}

.sidebar-card li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.sidebar-card li:last-child {
  border-bottom: none;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-border);
  box-shadow: var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Tables */

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: 0.95rem;
}

thead {
  background: var(--color-primary);
  color: var(--color-white);
}

th,
td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

tbody tr:hover {
  background: rgba(74, 44, 61, 0.04);
}

tbody tr:last-child td {
  border-bottom: none;
}

.table-caption {
  caption-side: top;
  padding: 0 0 1rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  text-align: left;
}

/* Benefits */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.benefit-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: transform var(--transition), border-color var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.benefit-icon {
  width: 52px;
  height: 52px;
  background: var(--color-accent);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
  color: var(--color-primary-dark);
}

.benefit-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.benefit-card p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.65;
}

/* FAQ */

.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-primary-dark);
  transition: background var(--transition);
}

.faq-question:hover {
  background: rgba(74, 44, 61, 0.04);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  transition: transform var(--transition);
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-item.is-open .faq-answer {
  max-height: 400px;
}

/* Footer */

.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.65;
  opacity: 0.8;
}

.footer-nav h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Responsive */

@media (max-width: 900px) {
  .about-grid,
  .content-grid,
  .benefits-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .image-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 4%;
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.75rem;
  }

  .header-cta {
    display: none;
  }

  .hero-content {
    padding: 3.5rem 0;
  }

  .image-gallery {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  section {
    padding: 3.5rem 0;
  }
}