/* ============================================
   Durand Couverture – Site vitrine
   Style premium, responsive, conversion
   ============================================ */

:root {
  --color-primary: #1a3d5c;
  --color-primary-dark: #0f2a40;
  --color-primary-light: #2d5270;
  --color-accent: #c45c26;
  --color-warm: #c45c26;
  --color-text: #2c2c2c;
  --color-text-muted: #505050;
  --color-text-muted-light: #6b6b6b;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f6f3;
  --color-bg-warm: #faf8f5;
  --color-bg-subtle: #f0ede8;
  --color-bg-dark: #1a252f;
  --color-border: #e5e1dc;
  --color-border-light: #ebe8e4;
  --color-success: #0d7a4a;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --transition: 0.22s ease;
  --transition-slow: 0.35s ease;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --space-5xl: 6rem;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  white-space: nowrap;
}

.logo:hover {
  color: var(--color-primary-dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
  transition: color var(--transition);
}

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

.btn-cta-header {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-warm);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 2px 10px rgba(26, 61, 92, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 61, 92, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-cta-header {
  padding: 0.6rem 1.25rem;
  background: var(--color-warm);
  color: white;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(196, 92, 38, 0.35);
  white-space: nowrap;
}

.btn-cta-header:hover {
  background: #a84d1e;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(196, 92, 38, 0.4);
}

.btn-full {
  width: 100%;
}

.btn-hero-cta {
  background: var(--color-warm);
  color: white;
  padding: 0.9rem 1.75rem;
  font-size: 1.0625rem;
  box-shadow: 0 4px 16px rgba(196, 92, 38, 0.4);
}

.btn-hero-cta:hover {
  background: #a84d1e;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(196, 92, 38, 0.45);
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary-dark);
  border: 2px solid rgba(255, 255, 255, 0.9);
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

.btn-hero-secondary:hover {
  background: white;
  border-color: white;
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-cta-phone {
  background: var(--color-success);
  color: white;
  padding: 0.85rem 1.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(13, 122, 74, 0.35);
}

.btn-cta-phone:hover {
  background: #0a6540;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 122, 74, 0.4);
}

.btn-cta-form {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-cta-form:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 75%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 42, 64, 0.92) 0%, rgba(15, 42, 64, 0.5) 45%, rgba(15, 42, 64, 0.2) 100%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl) var(--space-2xl);
}

.hero-content {
  max-width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 var(--space-lg);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 var(--space-2xl);
  max-width: 560px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-visual {
  display: none;
}

.hero-card,
.hero-card-header,
.hero-card-body,
.hero-card-line,
.hero-card-cta,
.hero-card-title,
.hero-card-dot {
  display: none;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.trust-strip {
  position: relative;
  z-index: 2;
  max-width: 100%;
  margin: 0;
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl) var(--space-2xl);
  background: var(--color-bg-warm);
  border-top: 1px solid var(--color-border-light);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(13, 122, 74, 0.12);
  color: var(--color-success);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* BANDE APPEL */
.bande-appel {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.95);
  padding: var(--space-md) var(--space-xl);
  text-align: center;
}

.bande-appel-text {
  margin: 0;
  font-size: 1rem;
}

.bande-appel-text a {
  color: #fff;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.bande-appel-text a:hover {
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   SECTIONS GÉNÉRIQUES
   ============================================ */
.section {
  padding: var(--space-5xl) 0;
}

.section-title {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--color-primary-dark);
  text-align: center;
  margin: 0 0 var(--space-md);
}

.section-intro {
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* Cards grid */
.cards-grid {
  display: grid;
  gap: var(--space-xl);
}

.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

.card {
  background: white;
  border-radius: var(--radius);
  padding: var(--space-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition-slow), transform var(--transition), border-color var(--transition);
}

.card:has(.card-image) {
  padding: 0;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-border);
}

.card-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-sm);
  line-height: 1.3;
}

.card-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.65;
}

/* Prestations section */
.section-prestations {
  background: var(--color-bg);
}

.section-cta-wrap {
  text-align: center;
  margin-top: var(--space-2xl);
  margin-bottom: 0;
}

.card-image {
  height: 140px;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--color-bg-subtle);
}

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

.card-body {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
}

.card-body .card-title {
  margin-bottom: var(--space-sm);
}

.card-body .card-text {
  margin: 0;
}

.card:not(.card-project) .card-icon {
  display: none;
}

/* Pourquoi nous choisir */
.section-why {
  background: var(--color-bg-alt);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.why-item {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  text-align: center;
  transition: box-shadow var(--transition-slow), transform var(--transition);
}

.why-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.why-icon {
  display: inline-block;
  color: var(--color-primary);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.why-item h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-xs);
}

.why-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* Réalisations - project cards */
.section-realisations {
  background: var(--color-bg-warm);
}

.card-project {
  padding: 0;
  overflow: hidden;
}

.card-project-image {
  height: 200px;
  overflow: hidden;
  background: var(--color-bg-subtle);
}

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

.card-project-placeholder {
  display: none;
}

.card-project-content {
  padding: var(--space-xl);
}

/* Zone d'intervention */
.section-zone {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.95);
}

.section-zone-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: 1000px;
}

.section-title-left {
  text-align: left;
  color: #fff;
  margin-bottom: var(--space-md);
}

.zone-content .section-title {
  margin-bottom: var(--space-md);
}

.zone-text,
.zone-communes {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.65;
  margin: 0 0 var(--space-md);
  font-size: 1rem;
}

.zone-communes {
  font-size: 0.9375rem;
  opacity: 0.9;
}

.zone-content .btn {
  margin-top: var(--space-sm);
}

.zone-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.zone-map {
  width: 100%;
  aspect-ratio: 400 / 280;
  min-height: 260px;
  background: var(--color-primary);
}

.zone-map-svg {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.zone-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

/* À propos - layout avec photo */
.about-layout {
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

.about-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-visual img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.about-content p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin: 0 0 var(--space-lg);
}

.about-content p:last-of-type {
  margin-bottom: var(--space-xl);
}

.about-content .btn {
  margin-top: 0;
}

/* CTA Devis box */
.section-cta-devis {
  padding: var(--space-3xl) 0;
}

.cta-devis-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: var(--space-2xl) var(--space-3xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-devis-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  color: #fff;
}

.cta-devis-text {
  margin: 0 0 var(--space-xl);
  opacity: 0.95;
  font-size: 1.0625rem;
}

.cta-devis-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* Contact - phone first */
.contact-phone-first {
  text-align: center;
  margin-bottom: var(--space-xl);
  padding: var(--space-md);
  background: var(--color-bg-warm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
}

.contact-phone-first p {
  margin: 0;
  font-size: 1rem;
}

.contact-phone-num {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.contact-phone-num:hover {
  text-decoration: underline;
}

/* Méthode */
.section-method {
  background: var(--color-bg);
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.method-step {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  position: relative;
  transition: box-shadow var(--transition-slow), transform var(--transition);
}

.method-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.method-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.method-step h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-xs);
}

.method-step p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* À propos */
.section-about {
  background: var(--color-bg-alt);
}

.about-content {
  max-width: 100%;
}

/* Témoignages */
.section-testimonials {
  background: var(--color-bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.testimonial {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  margin: 0;
  transition: box-shadow var(--transition-slow);
}

.testimonial:hover {
  box-shadow: var(--shadow);
}

.testimonial p {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.65;
  margin: 0 0 var(--space-md);
  font-style: italic;
}

.testimonial footer {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* FAQ */
.section-faq {
  background: var(--color-bg);
}

.faq-list {
  max-width: 640px;
  margin: var(--space-2xl) auto 0;
}

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

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--color-bg-alt);
}

.faq-question::after {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: 0.75rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%231a3d5c'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") no-repeat center;
  transition: transform var(--transition);
}

.faq-item.is-open .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  margin: 0 var(--space-lg) var(--space-md);
  padding: var(--space-md) 0 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  border-top: 1px solid var(--color-border-light);
}

/* Contact */
.section-contact {
  background: var(--color-bg-warm);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-3xl);
  align-items: start;
  max-width: 920px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-form label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-form input,
.contact-form textarea {
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.08);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-info {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow);
}

.contact-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-md);
}

.contact-info p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  line-height: 1.55;
}

.contact-info p:last-child {
  margin-bottom: 0;
}

.contact-info a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-info a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.88);
  padding: var(--space-3xl) 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-logo {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: white;
}

.footer-brand p {
  margin: var(--space-xs) 0 0;
  font-size: 0.875rem;
  opacity: 0.85;
}

.footer-phone {
  margin: var(--space-sm) 0 0;
  font-size: 1rem;
  font-weight: 600;
}

.footer-phone a {
  color: #fff;
}

.footer-phone a:hover {
  text-decoration: underline;
}

.footer-nav {
  display: flex;
  gap: var(--space-xl);
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: white;
}

.footer-legal {
  font-size: 0.8125rem;
  opacity: 0.6;
  margin: 0;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   RÉVÉLATION AU SCROLL (animations légères)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Délais légers pour les grilles (optionnel) */
.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }

/* Réduire les animations sur préférence utilisateur */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .section {
    padding: var(--space-4xl) 0;
  }

  .hero {
    min-height: 460px;
  }

  .hero-inner {
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
  }

  .section-zone-inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .section-title-left {
    text-align: center;
  }

  .zone-content {
    text-align: center;
  }

  .zone-content .btn {
    margin-left: auto;
    margin-right: auto;
  }

  .zone-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .about-visual img {
    height: 260px;
  }

  .trust-strip {
    margin-top: 0;
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
    gap: var(--space-xl) var(--space-2xl);
  }

  .cards-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .cards-3 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .method-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .cta-devis-box {
    padding: var(--space-xl) var(--space-lg);
  }

  .cta-devis-title {
    font-size: 1.25rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .nav,
  .btn-cta-header {
    display: none;
  }

  .nav-toggle {
    display: flex;
    padding: var(--space-sm);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-xs);
    box-shadow: var(--shadow-md);
  }

  .nav.open a {
    padding: var(--space-md) 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav.open a:last-of-type {
    border-bottom: none;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: var(--space-md) var(--space-lg);
  }

  .btn-cta-header.mobile-visible {
    display: inline-flex;
    width: 100%;
    margin-top: var(--space-sm);
    padding: var(--space-md);
  }

  .hero {
    min-height: 420px;
    padding-top: 0;
  }

  .hero-inner {
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  }

  .hero-title {
    margin-bottom: var(--space-md);
  }

  .hero-subtitle {
    margin-bottom: var(--space-xl);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .bande-appel-text {
    font-size: 0.9375rem;
  }

  .zone-map {
    min-height: 220px;
  }

  .cta-devis-buttons {
    flex-direction: column;
  }

  .cta-devis-buttons .btn {
    width: 100%;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .section-title {
    margin-bottom: var(--space-sm);
  }

  .section-intro {
    margin-bottom: var(--space-2xl);
  }

  .cards-4 {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .cards-3 {
    gap: var(--space-md);
  }

  .card {
    padding: var(--space-lg);
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .why-item {
    padding: var(--space-lg);
  }

  .method-steps {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .method-step {
    padding: var(--space-lg);
  }

  .testimonials-grid {
    gap: var(--space-md);
  }

  .testimonial {
    padding: var(--space-lg);
  }

  .faq-question {
    padding: var(--space-md) var(--space-lg);
  }

  .contact-form input,
  .contact-form textarea {
    padding: 0.875rem 1rem;
  }

  .contact-info {
    padding: var(--space-lg);
  }

  .footer {
    padding: var(--space-2xl) 0;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    margin-bottom: var(--space-lg);
  }

  .trust-strip {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-lg);
  }

  .footer-nav {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }

  .section-title {
    font-size: 1.375rem;
  }
}