/* ===== The Salted Escape — style.css ===== */
:root{
  --sand:#F5F0E6;
  --sand-deep:#ECE4D5;
  --ink:#0B2A3A;        /* bleu océan profond — texte principal */
  --ink-soft:#274B5E;   /* bleu océan doux — corps de texte */
  --lagoon:#1C7FA6;     /* bleu océan — accents */
  --lagoon-light:#E1EDF3;
  --salt:#F8F5EF;
  --sun:#DE9A54;        /* ambre couchant */
  --white:#ffffff;
  --radius:22px;
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--sand);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.serif{font-family:"Playfair Display",Georgia,serif;font-weight:500}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.kicker{
  font-family:system-ui,sans-serif;font-size:.72rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--lagoon);
}
.btn{
  font-family:system-ui,sans-serif;font-weight:600;font-size:.95rem;
  display:inline-flex;align-items:center;gap:.5em;
  padding:.85em 1.6em;border-radius:100px;cursor:pointer;border:none;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.btn-dark{background:var(--ink);color:var(--salt)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(11,42,58,.28)}
.btn-wa{background:var(--sun);color:var(--ink)}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(222,154,84,.4)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.18)}

/* ===== Liquid glass ===== */
.liquid-glass{
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.18);
  position:relative;overflow:hidden;border:none;
}
.liquid-glass::before{
  content:'';position:absolute;inset:0;border-radius:inherit;padding:1.4px;
  background:linear-gradient(180deg,rgba(255,255,255,.5) 0%,rgba(255,255,255,.15) 20%,
    rgba(255,255,255,0) 40%,rgba(255,255,255,0) 60%,rgba(255,255,255,.15) 80%,rgba(255,255,255,.5) 100%);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}

/* ===== HERO ===== */
.hero{position:relative;width:100%;height:100svh;min-height:600px;overflow:hidden;background:#08202D}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1200ms ease-in-out;transform:scale(1.22) translateX(6%);
}
/* le paysage défile latéralement, comme vu depuis un train en marche */
.hero-slide.active{opacity:1;animation:trainpan 9s linear forwards}
@keyframes trainpan{
  from{transform:scale(1.22) translateX(6%)}
  to{transform:scale(1.22) translateX(-6%)}
}
/* cadre de fenêtre de train en surimpression */
.train-frame{position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:cover;pointer-events:none;
  transform:scale(1.03);animation:trainbob 3s ease-in-out infinite}
@keyframes trainbob{0%,100%{transform:translateY(0) scale(1.03)}50%{transform:translateY(-6px) scale(1.03)}}
.hero-scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(7,28,40,.45) 0%,rgba(7,28,40,.15) 35%,rgba(7,28,40,.35) 70%,rgba(7,28,40,.78) 100%)}

.hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;color:#fff}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;max-width:var(--maxw);margin:0 auto;width:100%}
.logo{font-family:"Playfair Display",serif;font-style:italic;font-size:1.6rem;color:#fff;letter-spacing:.01em}
.nav-pill{display:none;align-items:center;gap:6px;padding:7px 8px 7px 20px;border-radius:100px}
.nav-pill a{font-family:system-ui,sans-serif;font-size:.85rem;color:rgba(255,255,255,.85);padding:.4em .7em;border-radius:100px;transition:color .2s}
.nav-pill a:hover{color:#fff}
.nav-pill .btn{padding:.6em 1.2em;font-size:.85rem}
.burger{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:16px;color:#fff;cursor:pointer}
.burger svg{width:22px;height:22px}
@media(min-width:860px){.nav-pill{display:flex}.burger{display:none}}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  background:rgba(8,26,36,.75);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;pointer-events:none;transition:opacity .4s ease}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{font-family:"Playfair Display",serif;font-size:2rem;color:#fff;transform:translateY(16px);opacity:0;transition:all .5s cubic-bezier(.4,0,.2,1)}
.mobile-menu.open a{transform:translateY(0);opacity:1}
.mobile-menu.open a:nth-child(1){transition-delay:.1s}
.mobile-menu.open a:nth-child(2){transition-delay:.15s}
.mobile-menu.open a:nth-child(3){transition-delay:.2s}
.mobile-menu.open a:nth-child(4){transition-delay:.25s}
.mobile-menu .btn{margin-top:10px;transition-delay:.3s}
.mm-close{position:absolute;top:22px;right:24px;width:46px;height:46px;color:#fff}

/* hero content */
.hero-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 24px}
.badge{display:inline-flex;align-items:center;gap:.5em;padding:.5em 1.1em;border-radius:100px;
  font-family:system-ui,sans-serif;font-size:.78rem;color:rgba(255,255,255,.92);margin-bottom:26px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--sun);box-shadow:0 0 10px var(--sun)}
.hero h1{font-size:clamp(2.5rem,6.6vw,5rem);line-height:1.16;max-width:16ch;color:#fff;font-weight:600;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.hero h1 em{font-style:italic;color:#fff}
.hero-sub{font-family:system-ui,sans-serif;max-width:52ch;margin:22px auto 0;color:rgba(255,255,255,.9);font-size:clamp(1rem,1.6vw,1.15rem);line-height:1.65}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:34px}

/* destination switcher */
.switcher{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;padding:22px 24px 30px}
.switcher button{font-family:system-ui,sans-serif;font-size:.8rem;color:rgba(255,255,255,.5);background:none;border:none;
  border-bottom:2px solid transparent;padding:6px 10px;cursor:pointer;transition:all .3s;letter-spacing:.04em}
.switcher button:hover{color:rgba(255,255,255,.85)}
.switcher button.active{color:#fff;border-color:var(--sun)}

/* ===== SECTIONS ===== */
section{position:relative}
.section-pad{padding:110px 0}
.center{text-align:center}
.h2{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.18;margin-top:14px;font-weight:600}
.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--ink-soft);max-width:56ch;margin:18px auto 0}

/* value / sur-mesure */
.value{background:var(--salt)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.v-card{background:#fff;border-radius:var(--radius);padding:34px 30px;border:1px solid rgba(11,42,58,.06);
  transition:transform .3s ease,box-shadow .3s ease}
.v-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px -20px rgba(11,42,58,.25)}
.v-ico{width:52px;height:52px;border-radius:14px;background:var(--lagoon-light);color:var(--lagoon);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.v-ico svg{width:26px;height:26px}
.v-card h3{font-size:1.5rem;margin-bottom:8px}
.v-card p{color:var(--ink-soft);font-size:.98rem}
@media(max-width:820px){.value-grid{grid-template-columns:1fr}}

/* offres */
.offres{background:var(--sand)}
.offer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;margin-top:56px;align-items:start}
@media(max-width:900px){.offer-grid{grid-template-columns:1fr}}
.offer{border-radius:26px;padding:44px 40px;position:relative;overflow:hidden}
.offer-main{background:var(--ink);color:var(--salt)}
.offer-alt{background:#fff;border:1px solid rgba(11,42,58,.08);color:var(--ink)}
.offer .tag{font-family:system-ui,sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  padding:.4em .9em;border-radius:100px;display:inline-block;margin-bottom:18px}
.offer-main .tag{background:rgba(222,154,84,.2);color:var(--sun)}
.offer-alt .tag{background:var(--lagoon-light);color:var(--lagoon)}
.offer h3{font-size:2.3rem;line-height:1.14;margin-bottom:6px;font-weight:600}
.offer .oh-sub{font-family:system-ui,sans-serif;font-weight:600;font-size:1.05rem;margin-bottom:16px;opacity:.95}
.offer p.desc{font-size:1rem;opacity:.85;margin-bottom:24px}
.offer-main p.desc{color:rgba(248,245,239,.8)}
.feat{list-style:none;display:flex;flex-direction:column;gap:13px;margin-bottom:30px}
.feat li{display:flex;gap:12px;align-items:flex-start;font-family:system-ui,sans-serif;font-size:.96rem}
.feat li svg{width:20px;height:20px;flex-shrink:0;margin-top:2px}
.offer-main .feat li svg{color:var(--sun)}
.offer-alt .feat li svg{color:var(--lagoon)}
.offer .btn{width:100%;justify-content:center}

/* Lana / founder */
.founder{background:var(--lagoon-light)}
.founder-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
@media(max-width:900px){.founder-grid{grid-template-columns:1fr;gap:36px}}
.founder-photo{border-radius:26px;overflow:hidden;aspect-ratio:4/5;background:#cbd8d4 center/cover;
  box-shadow:0 30px 60px -30px rgba(11,42,58,.5)}
.founder-photo img{width:100%;height:100%;object-fit:cover}
.founder-text h2{font-size:clamp(2rem,4vw,3rem);line-height:1.18;margin:12px 0 24px;font-weight:600}
.founder-text p{color:var(--ink-soft);margin-bottom:16px;font-size:1.02rem}
.founder-text .sign{font-family:"Playfair Display",serif;font-style:italic;font-size:1.6rem;color:var(--lagoon);margin-top:8px}

/* CTA final */
.cta{position:relative;color:#fff;text-align:center;overflow:hidden;background:#08202D}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.cta-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,28,40,.6),rgba(7,28,40,.85))}
.cta .wrap{position:relative;z-index:2;padding:120px 24px}
.cta h2{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.16;max-width:20ch;margin:14px auto 0;font-weight:600}
.cta .lead{color:rgba(255,255,255,.85)}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}

/* footer */
footer{background:var(--ink);color:rgba(248,245,239,.75);padding:64px 0 40px}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.foot-brand .logo{color:var(--salt);font-size:2rem}
.foot-brand p{margin-top:12px;max-width:34ch;font-size:.92rem}
.foot-links{display:flex;gap:60px;flex-wrap:wrap}
.foot-col h4{font-family:system-ui,sans-serif;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sun);margin-bottom:14px}
.foot-col a{display:block;margin-bottom:9px;font-size:.94rem;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.82rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* fade-in */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.fade-in.visible{opacity:1;transform:none}

/* floating whatsapp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:40;width:58px;height:58px;border-radius:50%;
  background:var(--sun);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(222,154,84,.5);
  transition:transform .25s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:var(--ink)}