/* =========================================================
   TropiRoots Madagascar — style.css
   Base tokens, typography, layout primitives, header/footer
   ========================================================= */

:root {
  /* Palette — drawn from the TropiRoots logo (forest canopy, baobab trunk, cream medallion) */
  --forest-deep:   #12281C;
  --forest:        #1E4A31;
  --forest-mid:    #2F6B45;
  --forest-light:  #6FA37D;
  --cream:         #F5EEDC;
  --sand:          #EADFC2;
  --clay:          #A8672E;
  --gold:          #C79A4B;
  --ink:           #16211A;
  --white:         #FFFFFF;
  --page-green:    #1E4A31; /* fond de page : vert forêt naturel (remplace l'ancien fond crème/gris) */

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1180px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 22px;

  --shadow-card: 0 10px 30px -14px rgba(18, 40, 28, 0.35);
  --ease: cubic-bezier(.22,.68,0,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--page-green);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 .5em;
  color: var(--forest-deep);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }

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

.eyebrow {
  font-family: var(--font-body);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--forest-mid);
  font-weight: 600;
  margin-bottom: .6em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

section { position: relative; }

.section-pad { padding: 96px 0; }
@media (max-width: 780px) { .section-pad { padding: 64px 0; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: 14px 30px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .96rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .35s var(--ease), background .3s ease, color .3s ease, border-color .3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--forest-mid);
  color: var(--white);
}
.btn-primary:hover { background: var(--forest-deep); transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(245,238,220,.55);
}
.btn-ghost:hover { background: rgba(245,238,220,.12); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--forest-deep);
  border-color: var(--forest-mid);
}
.btn-outline:hover { background: var(--forest-mid); color: var(--white); transform: translateY(-2px); }

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

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: linear-gradient(to bottom, rgba(18,40,28,.6), rgba(18,40,28,0));
  border-bottom: 1px solid rgba(245,238,220,0);
  transition: background .45s var(--ease), box-shadow .45s var(--ease), padding .35s var(--ease), border-color .45s ease;
}
.site-header.is-scrolled {
  background: rgba(18, 40, 28, 0.8);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 10px 32px -16px rgba(0,0,0,.5);
  border-bottom: 1px solid rgba(245,238,220,.14);
  padding: 11px 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  height: 52px;
  width: 52px;
  object-fit: contain;
  border-radius: 50%;
  transition: height .3s ease, width .3s ease;
}
.site-header.is-scrolled .brand img { height: 42px; width: 42px; }
.brand-name {
  font-family: var(--font-display);
  color: var(--cream);
  line-height: 1.05;
}
.brand-name strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: .01em;
}
.brand-name span {
  display: block;
  font-family: var(--font-body);
  font-size: .58rem;
  letter-spacing: .18em;
  color: var(--forest-light);
  font-weight: 600;
}

.header-actions { display: flex; align-items: center; gap: 14px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > ul {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 6px;
  gap: 2px;
  background: rgba(245,238,220,.05);
  border: 1px solid rgba(245,238,220,.16);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: border-color .4s ease, background .4s ease;
}
.site-header.is-scrolled .main-nav > ul { background: rgba(245,238,220,.03); border-color: rgba(245,238,220,.12); }

/* Entrée douce et légèrement désynchronisée pour chaque item du menu */
.main-nav > ul > li { opacity: 0; animation: navItemIn .7s var(--ease) forwards; }
.main-nav > ul > li:nth-child(1) { animation-delay: .10s; animation-duration: .62s; }
.main-nav > ul > li:nth-child(2) { animation-delay: .21s; animation-duration: .76s; }
.main-nav > ul > li:nth-child(3) { animation-delay: .29s; animation-duration: .66s; }
.main-nav > ul > li:nth-child(4) { animation-delay: .38s; animation-duration: .72s; }
@keyframes navItemIn {
  0%   { opacity: 0; transform: translateY(-7px) scale(.94); filter: brightness(1.3); }
  55%  { opacity: 1; }
  100% { opacity: 1; transform: translateY(0) scale(1); filter: brightness(1); }
}

.main-nav .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  color: var(--cream);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .01em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .3s ease, color .3s ease, border-color .35s ease, transform .3s var(--ease), box-shadow .35s ease;
}
.main-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 18px; right: 18px; bottom: 6px;
  height: 1.5px;
  background: var(--gold);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .35s var(--ease);
}
.main-nav .nav-link:hover {
  background: rgba(245,238,220,.12);
  border-color: rgba(245,238,220,.22);
  transform: translateY(-1px) scale(1.035);
  box-shadow: 0 4px 18px -8px rgba(199,154,75,.5);
}
.main-nav .nav-link:hover::after { transform: scaleX(1); }
.main-nav .nav-link.active {
  color: var(--gold);
  background: rgba(245,238,220,.09);
  border-color: rgba(199,154,75,.32);
}
.main-nav .nav-link.active::after { transform: scaleX(1); animation: activeUnderline .5s var(--ease) .55s both; }
@keyframes activeUnderline { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (hover: none) {
  .main-nav .nav-link:hover { transform: none; box-shadow: none; }
}

.has-submenu { position: relative; }
.submenu-toggle { gap: 6px; }
.submenu-toggle svg { transition: transform .3s var(--ease); width: 11px; flex-shrink: 0; }
.has-submenu.open .submenu-toggle svg { transform: rotate(180deg); }

.submenu {
  list-style: none;
  margin: 0;
  padding: 10px;
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  min-width: 250px;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(199,154,75,.16);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 40px -18px rgba(18,40,28,.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(.98);
  transform-origin: top left;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.has-submenu.open .submenu,
.has-submenu:hover .submenu {
  opacity: 1; visibility: visible; transform: translateY(0) scale(1);
}
.submenu a {
  display: block;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: .92rem;
  transition: background .25s ease, color .25s ease, padding-left .25s var(--ease);
}
.submenu a:hover { background: var(--cream); color: var(--forest-mid); padding-left: 18px; }

/* Hamburger */
.hamburger {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid rgba(245,238,220,.4);
  background: rgba(245,238,220,.08);
  backdrop-filter: blur(6px);
  position: relative;
  cursor: pointer;
  z-index: 620;
  transition: background .3s ease, border-color .35s ease, transform .3s var(--ease);
}
.hamburger:hover { background: rgba(245,238,220,.18); border-color: rgba(199,154,75,.55); transform: scale(1.05); }
.hamburger span {
  position: absolute;
  left: 13px;
  width: 20px;
  height: 2px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform .4s var(--ease), opacity .25s ease, top .3s var(--ease);
}
.hamburger span:nth-child(1) { top: 16px; }
.hamburger span:nth-child(2) { top: 23px; }
.hamburger span:nth-child(3) { top: 30px; }
.hamburger.open span:nth-child(1) { top: 23px; transform: rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { top: 23px; transform: rotate(-45deg); }

/* Panneau mobile : liens lisibles (contraste) + micro-interactions */
#mobilePanel li > a,
#mobilePanel .mobile-nav-row > a {
  display: block;
  color: var(--cream);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  transition: background .25s ease, color .25s ease, padding-left .25s var(--ease);
}
#mobilePanel li > a:hover,
#mobilePanel .mobile-nav-row > a:hover { background: rgba(245,238,220,.08); color: var(--gold); padding-left: 20px; }
#mobilePanel .mobile-submenu li > a { color: rgba(245,238,220,.82); font-size: .92rem; padding: 11px 16px 11px 26px; }
#mobilePanel .mobile-submenu li > a:hover { padding-left: 30px; }
.mobile-nav-row { display: flex; align-items: center; justify-content: space-between; gap: 6px; border-radius: var(--radius-sm); }
.mobile-submenu-toggle {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(245,238,220,.16);
  background: rgba(245,238,220,.06);
  color: var(--cream);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .25s ease, border-color .3s ease;
}
.mobile-submenu-toggle:hover { background: rgba(245,238,220,.14); border-color: rgba(199,154,75,.5); }

/* Entrée en cascade légère des items lors de l'ouverture du panneau */
#mobilePanel > ul > li {
  opacity: 0;
  transform: translateX(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
#mobilePanel.open > ul > li { opacity: 1; transform: translateX(0); }
#mobilePanel.open > ul > li:nth-child(1) { transition-delay: .10s; }
#mobilePanel.open > ul > li:nth-child(2) { transition-delay: .16s; }
#mobilePanel.open > ul > li:nth-child(3) { transition-delay: .22s; }
#mobilePanel.open > ul > li:nth-child(4) { transition-delay: .28s; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--forest-deep);
  color: var(--sand);
  padding: 72px 0 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(245,238,220,.14);
}
.footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.footer-brand img { height: 54px; width: 54px; border-radius: 50%; flex-shrink: 0; }
.footer-brand strong { font-family: var(--font-display); color: var(--cream); font-size: 1.2rem; }
.footer-tag { font-size: .92rem; color: var(--forest-light); margin-top: 6px; }

.footer-col h4 {
  color: var(--cream);
  font-family: var(--font-body);
  font-size: .85rem;
  letter-spacing: .04em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { font-size: .92rem; color: var(--sand); opacity: .85; transition: opacity .25s ease, color .25s ease; }
.footer-col a:hover { opacity: 1; color: var(--forest-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: .82rem;
  color: rgba(234,223,194,.65);
  flex-wrap: wrap;
  gap: 14px;
}
.social-row { display: flex; gap: 10px; }
.social-row a {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(245,238,220,.08);
  transition: background .3s ease, transform .3s ease;
}
.social-row a:hover { background: var(--forest-mid); transform: translateY(-2px); }
.social-row svg { width: 16px; height: 16px; }

.footer-contact-list { gap: 14px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .92rem;
  color: var(--sand);
  opacity: .85;
  line-height: 1.4;
  word-break: break-word;
}
.footer-contact-item svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 1px; color: var(--forest-light); }
a.footer-contact-item:hover { opacity: 1; color: var(--forest-light); }
.footer-contact-static { cursor: default; }

/* ---------- WhatsApp floating button ---------- */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 900;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--forest-mid);
  color: var(--white);
  box-shadow: 0 10px 26px -8px rgba(18, 40, 28, 0.55);
  transition: transform .3s var(--ease), background .3s ease, box-shadow .3s ease;
}
.whatsapp-float svg { width: 26px; height: 26px; }
.whatsapp-float:hover {
  background: var(--forest-deep);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 14px 30px -8px rgba(18, 40, 28, 0.65);
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative;
  padding: 168px 0 90px;
  min-height: 46vh;   /* fallback */
  min-height: 46svh;  /* stable small viewport (Android toolbar visible) */
  min-height: 46dvh;  /* dynamic viewport */
  display: flex;
  align-items: center;
  color: var(--cream);
  overflow: hidden;
  box-sizing: border-box;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--forest-deep), var(--forest) 65%, var(--forest-mid));
  z-index: -2;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero p { color: var(--forest-light); max-width: 56ch; font-size: 1.05rem; }

/* ---------- Trail divider motif ---------- */
.trail-divider { display: flex; justify-content: center; padding: 6px 0 46px; opacity: .7; }
.trail-divider svg { width: 220px; height: 18px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-56 { max-width: 56ch; }
.grid { display: grid; gap: 28px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.mt-lg { margin-top: 56px; }
.mb-lg { margin-bottom: 56px; }

/* ---------- Fond de page vert (remplace la zone grise/crème) ----------
   Les textes posés directement sur le fond passent en clair pour rester lisibles.
   Les cartes blanches et les sections déjà vertes ne changent pas. */
.section-pad > .container > .text-center .eyebrow { color: var(--forest-light); }
.section-pad > .container > .text-center h2 { color: var(--white); }
.section-pad > .container > .text-center p:not(.eyebrow) { color: rgba(245,238,220,.88); }
.section-pad > .container > .text-center .btn-outline { color: var(--cream); border-color: rgba(245,238,220,.65); }
.section-pad > .container > .text-center .btn-outline:hover { background: var(--cream); color: var(--forest-deep); border-color: var(--cream); }