/* =========================================
   BERNE CHARPENTE - Feuille de style principale
   ========================================= */

/* ---------- TOKENS / VARIABLES ---------- */
:root {
  /* Couleurs - Palette naturel bois & sauge */
  --color-accent: #4A6741;          /* Vert sauge principal */
  --color-accent-dark: #3A5233;     /* Vert sauge foncé (hover) */
  --color-accent-light: #EEF0E8;    /* Vert sauge très clair (fonds) */

  --color-text-primary: #2C1F10;    /* Brun très foncé - titres */
  --color-text-secondary: #7A6A4F;  /* Gris-brun - texte courant */
  --color-text-muted: #A89C87;      /* Beige foncé - placeholders */

  --color-bg-primary: #FDFCF9;      /* Crème - fond principal */
  --color-bg-secondary: #F2F0E8;    /* Beige clair - sections alternées */
  --color-bg-dark: #3D2B1A;         /* Brun foncé - footer */
  --color-bg-light: #F7F5F0;        /* Fond global */

  --color-border: #D6CFC4;          /* Bordure standard */
  --color-border-light: #E2DDD5;    /* Bordure discrète */

  /* Typographie */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-script: 'Lora', Georgia, serif;

  /* Espacements */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  /* Bordures */
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Conteneur */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

/* ---------- RESET ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- TYPOGRAPHIE ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }

.script {
  font-family: var(--font-script);
  font-style: italic;
}

/* ---------- CONTENEUR ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---------- BOUTONS ---------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  letter-spacing: 0.02em;
  text-align: center;
}

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

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

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

.btn-ghost:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-text-secondary);
}

/* ---------- SECTIONS ---------- */
.section {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

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

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

.section-tag {
  font-size: 0.75rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.section-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.section-rule {
  width: 40px;
  height: 1px;
  background: var(--color-border);
  margin-bottom: 2rem;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-rule {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- NAVIGATION ---------- */
.nav {
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-light);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: 0.05em;
}

.nav-tagline {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

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

.nav-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

.nav-cta {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: var(--color-bg-light) !important;
  border-radius: var(--radius-sm);
}

.nav-cta:hover {
  background: var(--color-accent-dark);
}

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  background: transparent;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text-primary);
  position: absolute;
  left: 6px;
  transition: all 0.3s;
}

.nav-toggle span:nth-child(1) { top: 10px; }
.nav-toggle span:nth-child(2) { top: 15px; }
.nav-toggle span:nth-child(3) { top: 20px; }

/* ---------- HERO ---------- */
.hero {
  background: var(--color-accent-light);
  padding: 5rem 0 4rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  background-image: url('../assets/images/hero.jpg');
  background-size: cover;
  background-position: center;
  min-height: calc(70vh - 72px);
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  margin-bottom: 0.25rem;
  color: whitesmoke;
}

.hero-script {
  font-family: var(--font-script);
  font-style: italic;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: whitesmoke;
  margin-bottom: 0.75rem;
}

.hero-location {
  font-size: 0.8125rem;
  color: whitesmoke;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-line {
  width: 48px;
  height: 1px;
  background: var(--color-border);
  margin: 0 auto 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero-contact {
  font-size: 0.875rem;
  color: whitesmoke;
  margin-top: 1rem;
}

.hero-contact strong {
  color: whitesmoke;
  font-weight: 500;
}

/* ---------- BANDEAU RÉASSURANCE ---------- */
.reassurance {
  background: var(--color-accent);
  padding: 1.25rem 0;
}

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

.reassurance-item {
  text-align: center;
  padding: 0.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.reassurance-item:last-child {
  border-right: none;
}

.reassurance-num {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-bg-light);
}

.reassurance-label {
  font-size: 0.75rem;
  color: rgba(247, 245, 240, 0.75);
  margin-top: 0.125rem;
}

/* ---------- CERTIFICATIONS ---------- */
.certif-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.certif-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.certif-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.certif-icon svg {
  width: 22px;
  height: 22px;
}

.certif-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.certif-desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}

.certif-badge {
  display: inline-block;
  font-size: 0.6875rem;
  padding: 0.15rem 0.65rem;
  border-radius: 10px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border: 1px solid rgba(74, 103, 65, 0.3);
  letter-spacing: 0.04em;
}

/* ---------- PRESTATIONS ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.service-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(44, 31, 16, 0.06);
}

.service-photo {
  aspect-ratio: 4 / 3;
  background: var(--color-border);
  overflow: hidden;
}

.service-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-photo-placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.service-body {
  padding: 1rem 1.25rem 1.25rem;
}

.service-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-bottom: 0.375rem;
}

.service-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.service-wide {
  grid-column: span 3;
  display: flex;
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.service-wide-body {
  flex: 1;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-wide-photo {
  width: 240px;
  background: var(--color-border);
  flex-shrink: 0;
}

.service-wide-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- PORTFOLIO FILTRABLE ---------- */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.filter-btn {
  font-size: 0.8125rem;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: var(--color-bg-light);
  border-color: var(--color-accent);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.photo-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-primary);
  transition: opacity 0.25s;
}

.photo-item.hidden {
  display: none;
}

.photo-thumb {
  aspect-ratio: 4 / 3;
  background: var(--color-border);
  overflow: hidden;
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.photo-item:hover .photo-thumb img {
  transform: scale(1.03);
}

.photo-caption {
  padding: 0.625rem 0.875rem;
  border-top: 1px solid var(--color-border-light);
}

.photo-cat-label {
  font-size: 0.6875rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.photo-name {
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  font-weight: 500;
  margin-top: 0.125rem;
}

/* ---------- À PROPOS ---------- */
.apropos {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

.apropos-photo {
  width: 220px;
  aspect-ratio: 4 / 5;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

.apropos-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.apropos-content {
  flex: 1;
}

.apropos-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.apropos-role {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.apropos-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.apropos-text p + p {
  margin-top: 0.75rem;
}

/* ---------- CTA CONTACT ---------- */
.cta {
  background: var(--color-accent-light);
  text-align: center;
}

.cta-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.cta-sub {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.cta-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.contact-info {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: 1rem;
}

.contact-item {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.contact-item strong {
  color: var(--color-accent);
  font-weight: 500;
  margin-right: 0.25rem;
}

/* ---------- MODAL DE CONFIRMATION ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(44, 31, 16, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s;
  box-shadow: 0 20px 60px rgba(44, 31, 16, 0.2);
}

.modal-overlay.open .modal {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}

.modal-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.modal-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-primary);
  margin-bottom: 0.375rem;
}

.modal-script {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.modal-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--color-bg-dark);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  color: #C4BBA8;
}

.footer-links {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.footer-links a {
  margin-left: 1rem;
}

.footer-links a:hover {
  color: #C4BBA8;
}

/* ---------- FORMULAIRE CONTACT ---------- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(74, 103, 65, 0.1);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-consent {
  display: flex;
}

.consent-label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-brown-text);
  line-height: 1.5;
  font-weight: 400 !important;
}

.consent-label input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--color-green-sage);
  flex-shrink: 0;
  cursor: pointer;
}

.consent-label a {
  color: var(--color-green-sage);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.consent-label a:hover {
  color: var(--color-green-sage-dark);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  :root {
    --space-xl: 3rem;
  }

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

  .service-wide {
    grid-column: span 2;
  }

  .apropos {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
  }

  .apropos-photo {
    width: 180px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: calc(70dvh - 64px);
    padding: 24px var(--padding-x);
  }
}

@media (max-width: 640px) {
  :root {
    --container-padding: 1rem;
    --space-xl: 2.5rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .services-grid,
  .certif-grid,
  .photo-grid {
    grid-template-columns: 1fr;
  }

  .service-wide {
    grid-column: span 1;
    flex-direction: column;
  }

  .service-wide-photo {
    width: 100%;
    aspect-ratio: 16 / 9;
  }

  .reassurance-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .reassurance-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 0.75rem;
  }

  .reassurance-item:last-child {
    border-bottom: none;
    padding-bottom: 0.5rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links a {
    margin: 0 0.5rem;
  }

  .hero {
    min-height: calc(70dvh - 64px);
    padding: 24px var(--padding-x);
  }
}