/* ==========================================================================
   base.css — squelette partagé par les 3 déclinaisons (corporate/creative/minimal)
   Ne pas modifier ici pour personnaliser un client : voir css/theme.css et
   css/style.css dans le dossier de la variante.
   ========================================================================== */

/* --- Variables par défaut (surchargées par theme.css de chaque variante) --- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f4f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-heading: #111111;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-on-primary: #ffffff;
  --color-accent: #f59e0b;
  --color-border: #e5e5e5;

  --font-heading: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);

  --container-width: 1140px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
}

button {
  font: inherit;
  cursor: pointer;
}

input,
textarea,
select {
  font: inherit;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 0.75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

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

.section {
  padding: 88px 0;
}

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

.section-header {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.grid {
  display: grid;
  gap: 32px;
}

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

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

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

@media (max-width: 900px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 0;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

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

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

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

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

.btn-block {
  width: 100%;
}

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-heading);
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
}

/* Un logo sombre sur fond transparent disparaîtrait sur l'en-tête sombre :
   une plaque claire le maintient lisible. Elle n'est posée que sur les logos
   effectivement foncés (mesurés à l'import), jamais sur un logo clair — qui
   se verrait alors affublé d'un rectangle blanc sans raison. */
[data-theme="dark"] .logo-img-plate {
  background: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  /* La hauteur du logo est fixe et le document est en border-box : sans cette
     exception, la marge intérieure de la plaque se prendrait sur l'image, qui
     s'afficherait plus petite en thème sombre qu'en thème clair. */
  box-sizing: content-box;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}

.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.icon-moon {
  display: none;
}

[data-theme="dark"] .icon-sun {
  display: none;
}

[data-theme="dark"] .icon-moon {
  display: block;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-actions .btn-primary {
    display: none;
  }

  .nav-links {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }

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

  .nav-links a {
    display: block;
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }
}

/* --- Hero --- */
.hero {
  padding: 96px 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 46ch;
}

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

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

/* Cadre les photos (import client ou suggestion automatique) sans jamais les
   déformer, quel que soit leur ratio d'origine — recadrage centré plutôt
   qu'étirement. */
.photo-cover {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (max-width: 860px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: -1;
  }
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.card-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  margin-bottom: 20px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

/* --- Testimonials --- */
.testimonial p {
  font-size: 1.05rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-heading);
}

.testimonial-role {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --- Stats --- */
.stat-value {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  color: var(--color-text-muted);
}

/* --- CTA banner --- */
.cta-banner {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-on-primary);
}

.cta-banner .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-on-primary);
}

.cta-banner .btn-outline:hover {
  border-color: var(--color-on-primary);
  color: var(--color-on-primary);
}

/* --- Page header (pages secondaires) --- */
.page-header {
  padding: 64px 0;
  text-align: center;
}

.breadcrumb {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

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

/* --- Process steps --- */
.steps {
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 56px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85em 1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  background: #dcfce7;
  color: #166534;
}

.form-status.is-error {
  background: #fee2e2;
  color: #991b1b;
}

/* --- Contact info list --- */
.contact-info-list {
  display: grid;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-item .card-icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 56px 0 32px;
  background: var(--color-bg-alt);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-heading {
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-heading);
}

.footer-links li {
  margin-bottom: 10px;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.social-links a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.social-links svg {
  width: 16px;
  height: 16px;
}

/* --- Portfolio / gallery --- */
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.gallery-caption {
  padding: 16px;
}

.gallery-caption h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.gallery-caption p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --- Utilities --- */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

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