/* =========================================================
   Projet Serena — feuille de style
   Sommaire :
   1. Polices & variables
   2. Reset de base
   3. Typographie
   4. Mise en page générale (header / footer / conteneurs)
   5. Composants (boutons, listes, formulaire, citation…)
   6. Page d'accueil (hero, sections spécifiques)
   7. Pages secondaires (infos, tarifs, contact)
   8. Responsive
   ========================================================= */

/* 1. Polices & variables ---------------------------------- */

:root {
  --bg: #F2F4EC;            /* fond principal : ivoire sauge */
  --bg-alt: #E8DDCB;        /* fond alterné : sable chaud */
  --bg-deep: #33452F;       /* fond foncé : bandeaux de contraste */
  --ink: #202B22;           /* texte principal : encre forêt */
  --ink-soft: #4B5A4E;      /* texte secondaire */
  --accent: #57735C;        /* vert sauge : liens, accents */
  --accent-dark: #3C5240;
  --gold: #A9822F;          /* ocre discret : boutons, mise en valeur */
  --white: #FDFCF8;
  --line: rgba(32, 43, 34, 0.14);
  --line-soft: rgba(32, 43, 34, 0.08);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Karla", "Segoe UI", sans-serif;

  --container-w: 1120px;
}

/* 2. Reset de base ------------------------------------------ */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* 3. Typographie --------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  margin: 0;
}

h1 { font-size: clamp(2.4rem, 4.2vw, 3.6rem); font-weight: 500; }
h2 { font-size: clamp(1.7rem, 2.8vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; max-width: 62ch; }

.eyebrow {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--accent-dark);
  margin-bottom: 0.6em;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 56ch;
}

/* 4. Mise en page générale ------------------------------------ */

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(242, 244, 236, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 32px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.main-nav ul {
  display: flex;
  gap: 36px;
}

.main-nav a {
  font-size: 0.98rem;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--accent-dark);
  border-bottom-color: var(--accent-dark);
}

main { display: block; }

section { padding: 88px 0; }

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

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

.section-deep h2, .section-deep p { color: var(--white); }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.site-footer {
  background: var(--bg-deep);
  color: rgba(253, 252, 248, 0.85);
  padding: 56px 0 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(253, 252, 248, 0.16);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 10px;
}

.footer-tagline {
  color: rgba(253, 252, 248, 0.65);
  font-size: 0.95rem;
  max-width: 32ch;
}

.footer-nav ul { display: flex; gap: 28px; flex-wrap: wrap; }

.footer-nav a { font-size: 0.95rem; color: rgba(253, 252, 248, 0.8); }
.footer-nav a:hover { color: var(--white); }

.footer-contact p { color: rgba(253, 252, 248, 0.8); font-size: 0.95rem; margin: 0 0 6px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 22px;
  font-size: 0.85rem;
  color: rgba(253, 252, 248, 0.55);
}

/* 5. Composants ------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 3px;
  font-size: 0.98rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

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

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

.btn-ghost {
  border-color: currentColor;
  color: var(--ink);
}

.btn-ghost:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

.btn-on-dark {
  background: var(--white);
  color: var(--bg-deep);
}

.btn-on-dark:hover { background: var(--bg-alt); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.tag-row span {
  padding: 12px 22px;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.icon-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.icon-item {
  display: flex;
  gap: 18px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.icon-item:nth-child(1), .icon-item:nth-child(2) { border-top: 1px solid var(--line); }

.icon-item .icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  color: var(--accent-dark);
}

.icon-item h3 { margin-bottom: 6px; }
.icon-item p { color: var(--ink-soft); margin: 0; font-size: 0.97rem; }

.columns-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.columns-3 .col-mark {
  width: 22px;
  height: 22px;
  color: var(--gold);
  margin-bottom: 16px;
}

.columns-3 p { color: var(--ink-soft); font-size: 0.97rem; }

blockquote.quote {
  margin: 0 auto;
  max-width: 680px;
  text-align: center;
}

blockquote.quote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  color: var(--ink);
  max-width: none;
  line-height: 1.4;
}

blockquote.quote cite {
  display: block;
  margin-top: 20px;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.cta-band h2 { max-width: 20ch; }

/* Formulaire (utilisé sur info.html) */

.form-field {
  margin-bottom: 22px;
}

.form-field label {
  display: block;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
}

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

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent-dark);
}

.form-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: -6px;
}

/* Tableau d'infos pratiques */

.info-table {
  border-top: 1px solid var(--line);
}

.info-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.info-row dt {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--accent-dark);
}

.info-row dd { margin: 0; color: var(--ink-soft); }

/* Tarifs */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.price-card {
  border: 1px solid var(--line);
  padding: 36px 30px;
  background: var(--white);
}

.price-card.is-featured {
  background: var(--bg-deep);
  border-color: var(--bg-deep);
  color: var(--white);
}

.price-card.is-featured p,
.price-card.is-featured .price-value { color: var(--white); }

.price-name {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.price-card.is-featured .price-name { color: rgba(253, 252, 248, 0.7); }

.price-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--ink);
  margin-bottom: 18px;
}

.price-card ul { margin-bottom: 28px; }

.price-card li {
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.price-card.is-featured li {
  border-top-color: rgba(253, 252, 248, 0.18);
  color: rgba(253, 252, 248, 0.85);
}

/* Bandeau de page simple (info / tarifs / contact) */

.page-hero {
  padding: 64px 0 20px;
}

.page-hero h1 { max-width: 18ch; }

/* 6. Page d'accueil : hero -------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  padding: 72px 0 96px;
}

.hero-copy p.lede { margin: 22px 0 34px; }

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

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.breath-mark circle {
  fill: none;
  stroke-width: 1.4;
}

/* 7. Pages secondaires -------------------------------------------- */

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.contact-details h3 { margin-bottom: 10px; }
.contact-details p { color: var(--ink-soft); }

/* 8. Responsive ------------------------------------------------------ */

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; max-width: 260px; margin: 0 auto; }
  .icon-list { grid-template-columns: 1fr; }
  .columns-3 { grid-template-columns: 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .contact-details { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; gap: 6px; }
  section { padding: 64px 0; }
}

@media (max-width: 600px) {
  .header-inner { padding: 16px 20px; }
  .main-nav ul { gap: 20px; }
  .container { padding: 0 20px; }
  .cta-band { text-align: center; justify-content: center; }
  .footer-top, .footer-bottom { flex-direction: column; }
}