/* =================================================================
   RAFFAELO — Feuille de styles globale
   Design system, navbar, footer, composants partagés
   ================================================================= */

/* ----------  1. Variables de design (couleurs, typo, ombres)  ---------- */
:root {
  /* Palette tons bois naturels */
  --wood-darkest: #3d2817;
  --wood-dark:    #5a3d28;
  --wood:         #8b5e3c;
  --wood-light:   #c79a6b;
  --wood-pale:    #e8d5bd;

  /* Beiges & blanc cassé */
  --cream:        #fdfaf4;
  --beige:        #f5ecdd;
  --beige-deep:   #efe2cd;

  /* Accents */
  --terracotta:      #c2693e;
  --terracotta-dark: #a8542d;
  --forest:          #3c5a40;
  --forest-dark:     #2b4330;

  /* Texte */
  --ink:    #2c2218;
  --muted:  #6f6155;
  --line:   #e4d8c5;

  /* Typographie */
  --font-title: 'Playfair Display', Georgia, serif;
  --font-body:  'Inter', system-ui, -apple-system, sans-serif;

  /* Rayons & ombres */
  --radius-sm: 8px;
  --radius:    16px;
  --radius-lg: 28px;
  --shadow-sm: 0 4px 14px rgba(60, 40, 20, .08);
  --shadow:    0 14px 40px rgba(60, 40, 20, .14);
  --shadow-lg: 0 26px 70px rgba(45, 30, 15, .22);

  /* Layout */
  --maxw: 1200px;
  --nav-h: 76px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ----------  2. Reset & base  ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.15;
  color: var(--wood-darkest);
  margin: 0 0 .5em;
}

p { margin: 0 0 1em; }

a { color: var(--terracotta-dark); text-decoration: none; }

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

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

/* ----------  3. Utilitaires de layout  ---------- */
.container {
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
}

.section { padding: clamp(3.5rem, 8vw, 7rem) 0; }

.section--tint { background: var(--beige); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--terracotta-dark);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--terracotta);
}

.section-head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { font-size: clamp(2rem, 4.4vw, 3rem); }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* ----------  4. Boutons  ---------- */
.btn {
  --btn-bg: var(--terracotta);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.7rem;
  border: 2px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  box-shadow: 0 10px 24px rgba(194, 105, 62, .28);
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(194, 105, 62, .4); }
.btn:active { transform: translateY(-1px); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--wood-darkest);
  border-color: var(--wood-light);
  box-shadow: none;
}
.btn--ghost:hover { background: var(--wood-pale); box-shadow: none; }

.btn--light {
  --btn-bg: #fff;
  --btn-fg: var(--wood-darkest);
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}
.btn--forest { --btn-bg: var(--forest); box-shadow: 0 10px 24px rgba(60, 90, 64, .3); }
.btn--lg { padding: 1.05rem 2.2rem; font-size: 1.05rem; }

/* ----------  5. Navbar (sticky)  ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  background: rgba(253, 250, 244, .72);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
/* État au défilement (ajouté par main.js) */
.nav.is-scrolled {
  background: rgba(253, 250, 244, .95);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.brand { display: inline-flex; align-items: center; gap: .65rem; }
.brand__mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--wood), var(--wood-dark));
  color: var(--cream);
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.brand__name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: .01em;
  color: var(--wood-darkest);
  line-height: 1;
}
.brand__name span { color: var(--terracotta); }
.brand__tag {
  display: block;
  font-family: var(--font-body);
  font-size: .62rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}

/* Liens */
.nav__links {
  display: flex;
  align-items: center;
  gap: .35rem;
}
.nav__links a {
  position: relative;
  padding: .55rem .9rem;
  color: var(--wood-darkest);
  font-weight: 500;
  font-size: .96rem;
  border-radius: 8px;
  transition: color .2s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: .9rem; right: .9rem; bottom: .35rem;
  height: 2px;
  background: var(--terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a.is-active { color: var(--terracotta-dark); }

.nav__cta { margin-left: .5rem; }

/* Burger (mobile) */
.nav__burger {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
}
.nav__burger span,
.nav__burger span::before,
.nav__burger span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  background: var(--wood-darkest);
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), opacity .2s;
}
.nav__burger span::before { transform: translate(-50%, -7px); }
.nav__burger span::after  { transform: translate(-50%,  7px); }
.nav__burger.is-open span { background: transparent; }
.nav__burger.is-open span::before { transform: translate(-50%, 0) rotate(45deg); }
.nav__burger.is-open span::after  { transform: translate(-50%, 0) rotate(-45deg); }

/* ----------  6. Footer  ---------- */
.footer {
  background: var(--wood-darkest);
  color: #e9ddcb;
  padding: 4.5rem 0 1.5rem;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--terracotta), var(--wood-light), var(--forest));
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
}
.footer__brand .brand__name { color: #fff; }
.footer__brand p { color: #c3b39d; font-size: .94rem; max-width: 30ch; }
.footer__links a {
  display: block;
  color: #d8cab6;
  padding: .3rem 0;
  font-size: .95rem;
  transition: color .2s, padding-left .2s;
}
.footer__links a:hover { color: #fff; padding-left: .35rem; }
.footer__contact li {
  display: flex;
  gap: .7rem;
  margin-bottom: .8rem;
  color: #d8cab6;
  font-size: .94rem;
}
.footer__contact i { color: var(--wood-light); margin-top: .2rem; }
.footer__socials { display: flex; gap: .6rem; margin-top: 1rem; }
.footer__socials a {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: #fff;
  transition: background .25s, transform .25s;
}
.footer__socials a:hover { background: var(--terracotta); transform: translateY(-3px); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  color: #a9967d;
  font-size: .85rem;
}

/* ----------  7. Animations au scroll (déclenchées par main.js)  ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ----------  8. Responsive global (navbar + footer)  ---------- */
@media (max-width: 920px) {
  .nav__burger { display: block; }
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.25rem 1.5rem;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-130%);
    transition: transform .4s var(--ease);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: .9rem .6rem; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .nav__links a::after { display: none; }
  .nav__cta { margin: .8rem 0 0; justify-content: center; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 540px) {
  .footer__grid { grid-template-columns: 1fr; }
}