/* ===== Horizons - feuille de style globale ===== */
:root{
  --ocean:#0e4d64;
  --ocean-dark:#07323f;
  --sand:#f7f2e9;
  --coral:#e2725b;
  --coral-dark:#c85c46;
  --ink:#1d2b30;
  --muted:#5c6f75;
  --line:#e3ddd2;
  --white:#fff;
  --radius:14px;
  --shadow:0 10px 30px rgba(14,77,100,.08);
  --wrap:1140px;
  --font:"Inter","Segoe UI",Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:17px;
}
img{max-width:100%;display:block}
a{color:var(--ocean);text-decoration:none}
a:hover{color:var(--coral)}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.25;color:var(--ocean-dark);margin:0 0 .6em}
h1{font-size:clamp(2rem,4.5vw,3.1rem)}
h2{font-size:clamp(1.5rem,2.6vw,2rem)}
h3{font-size:1.25rem}
p{margin:0 0 1.2em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.center{text-align:center}

/* ===== Barre superieure ===== */
.topbar{background:var(--ocean-dark);color:#cfe3ea;font-size:.8rem;letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:#cfe3ea}
.topbar a:hover{color:var(--white)}
.topbar .socials a{margin-left:14px}

/* ===== En-tete / navigation ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;font-family:var(--serif);font-size:1.35rem;color:var(--ocean-dark);font-weight:700}
.logo .word{letter-spacing:.01em}
.logo em{color:var(--coral);font-style:normal}
.logo .mark{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--ocean),var(--coral));
  display:grid;place-items:center;color:#fff;font-size:.95rem;font-family:var(--font)
}
.nav{display:flex;align-items:center;gap:22px}
.nav a{
  color:var(--ink);font-size:.86rem;font-weight:500;white-space:nowrap;
  text-transform:uppercase;letter-spacing:.05em;padding:6px 0;position:relative
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--coral);transition:width .25s ease
}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav a.active{color:var(--ocean)}
.btn{
  display:inline-block;background:var(--coral);color:#fff !important;
  padding:11px 22px;border-radius:100px;font-weight:600;font-size:.9rem;
  letter-spacing:.03em;transition:background .2s ease,transform .2s ease
}
.btn:hover{background:var(--coral-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ocean) !important;border:1.5px solid var(--ocean)}
.btn-ghost:hover{background:var(--ocean);color:#fff !important}
.menu-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--ocean-dark);cursor:pointer;line-height:1}

/* ===== Heros ===== */
.hero{
  position:relative;color:#fff;text-align:center;
  padding:120px 0 130px;
  background:
    linear-gradient(rgba(7,50,63,.62),rgba(7,50,63,.72)),
    radial-gradient(circle at 20% 20%,#2a8fa8,transparent 55%),
    radial-gradient(circle at 80% 70%,#e2725b,transparent 55%),
    linear-gradient(135deg,#0e4d64,#07323f);
}
.hero h1{color:#fff;margin-bottom:.4em;text-shadow:0 2px 18px rgba(0,0,0,.25)}
.hero p{max-width:640px;margin:0 auto 32px;font-size:1.1rem;color:#e6f0f3}
.eyebrow{
  display:inline-block;text-transform:uppercase;letter-spacing:.22em;
  font-size:.75rem;font-weight:600;color:var(--coral);margin-bottom:18px
}
.hero .eyebrow{color:#ffd2c6}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .btn-ghost{color:#fff !important;border-color:rgba(255,255,255,.6)}
.hero .btn-ghost:hover{background:#fff;color:var(--ocean-dark) !important}

/* ===== Sections ===== */
section{padding:80px 0}
.section-head{max-width:640px;margin:0 auto 48px;text-align:center}
.section-head p{color:var(--muted)}
.bg-sand{background:var(--sand)}

/* ===== Grilles / cartes ===== */
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease
}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(14,77,100,.14)}
.card .thumb{height:170px;display:grid;place-items:center;font-size:2.4rem;color:#fff}
.t1{background:linear-gradient(135deg,#0e4d64,#2a8fa8)}
.t2{background:linear-gradient(135deg,#e2725b,#f0a58c)}
.t3{background:linear-gradient(135deg,#1f7a5a,#6cbf9a)}
.t4{background:linear-gradient(135deg,#7a5ba6,#b79ad4)}
.card .body{padding:22px 24px 26px}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);font-size:.95rem;margin-bottom:1em}
.meta{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--coral);font-weight:600}
.readmore{font-weight:600;font-size:.9rem}

/* ===== Vignettes destinations ===== */
.dest{
  border-radius:var(--radius);overflow:hidden;
  min-height:230px;display:flex;align-items:flex-end;padding:22px;color:#fff;
  box-shadow:var(--shadow);transition:transform .25s ease
}
.dest:hover{transform:translateY(-5px);color:#fff}
.dest b{font-family:var(--serif);font-size:1.3rem;font-weight:400}
.dest small{display:block;font-family:var(--font);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;opacity:.85}

/* ===== Bandeau ===== */
.stripe{background:var(--ocean);color:#fff;text-align:center;padding:70px 0}
.stripe h2{color:#fff}
.stripe p{color:#cfe3ea;max-width:560px;margin:0 auto 26px}

/* ===== Article ===== */
.article-hero{
  background:linear-gradient(rgba(7,50,63,.75),rgba(7,50,63,.85)),linear-gradient(135deg,#0e4d64,#2a8fa8);
  color:#fff;padding:76px 0 66px
}
.article-hero h1{color:#fff;max-width:880px}
.breadcrumb{font-size:.82rem;color:#a9c9d4;margin-bottom:18px}
.breadcrumb a{color:#a9c9d4}
.breadcrumb a:hover{color:#fff}
.byline{display:flex;gap:20px;flex-wrap:wrap;font-size:.85rem;color:#cfe3ea;margin-top:14px}
.layout{display:grid;grid-template-columns:1fr 320px;gap:56px;padding:70px 0}
.prose{font-size:1.06rem}
.prose h2{margin-top:1.9em}
.prose h2:first-of-type{margin-top:0}
.prose .lead{font-size:1.16rem;color:var(--muted);font-family:var(--serif);line-height:1.65}
.prose a{border-bottom:1px solid rgba(226,114,91,.5)}
.prose a.link-ext{color:var(--coral);font-weight:700;border-bottom-color:rgba(226,114,91,.55)}
.prose a.link-ext:hover{color:var(--coral-dark);border-bottom-color:var(--coral-dark)}
.prose blockquote{
  margin:2em 0;padding:20px 26px;background:var(--sand);
  border-left:4px solid var(--coral);border-radius:0 var(--radius) var(--radius) 0;
  font-family:var(--serif);font-size:1.08rem;color:var(--ocean-dark)
}
.prose blockquote p:last-child{margin:0}
.illus{margin:2.6em 0;padding:0}
.illus img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.illus figcaption{
  margin-top:12px;font-size:.86rem;line-height:1.6;color:var(--muted);
  padding-left:14px;border-left:3px solid var(--coral)
}

.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);align-items:center}
.tags a{
  font-size:.8rem;background:var(--sand);border:1px solid var(--line);
  padding:6px 14px;border-radius:100px;color:var(--muted)
}
.tags a:hover{background:var(--ocean);color:#fff;border-color:var(--ocean)}
.author-box{
  display:flex;gap:20px;align-items:center;margin-top:36px;padding:24px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--sand)
}
.author-box .avatar{
  flex:0 0 64px;height:64px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--ocean),var(--coral));font-family:var(--serif);font-size:1.3rem
}
.author-box p{margin:0;font-size:.93rem;color:var(--muted)}
.author-box strong{color:var(--ocean-dark)}

/* ===== Colonne laterale ===== */
.sidebar{align-self:start;position:sticky;top:100px}
.widget{background:var(--sand);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:26px}
.widget h4{
  font-family:var(--font);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;
  color:var(--coral);margin-bottom:16px
}
.widget ul{list-style:none;margin:0;padding:0}
.widget li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:.93rem}
.widget li:last-child{border:0}
.widget.dark{background:var(--ocean);border-color:var(--ocean);color:#cfe3ea}
.widget.dark h4{color:#ffd2c6}
.widget.dark p{font-size:.93rem;margin-bottom:1em}

/* ===== Pied de page ===== */
.site-footer{background:var(--ocean-dark);color:#a9c9d4;padding:64px 0 0;font-size:.93rem}
.site-footer h4{color:#fff;font-family:var(--font);font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:18px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.site-footer a{color:#a9c9d4}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:10px}
.site-footer .logo{color:#fff;margin-bottom:14px}
.newsletter{display:flex;gap:8px;margin-top:14px}
.newsletter input{
  flex:1;min-width:0;padding:11px 14px;border-radius:100px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.07);color:#fff;font-family:var(--font);font-size:.88rem
}
.newsletter input::placeholder{color:#7fa3b0}
.newsletter button{
  border:0;background:var(--coral);color:#fff;padding:11px 20px;border-radius:100px;
  font-weight:600;cursor:pointer;font-family:var(--font);font-size:.85rem
}
.newsletter button:hover{background:var(--coral-dark)}
.legal{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem
}
.legal nav a{margin-left:18px}

/* ===== Responsive ===== */
@media(max-width:1180px){
  .nav{gap:16px}
  .nav a{font-size:.8rem;letter-spacing:.03em}
  .nav .btn{padding:10px 16px}
}
@media(max-width:980px){
  .layout{grid-template-columns:1fr;gap:40px}
  .sidebar{position:static}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:760px){
  .topbar{display:none}
  .menu-toggle{display:block}
  .site-header .wrap{position:relative}
  .nav{
    display:none;position:absolute;top:76px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;padding:14px 24px 22px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow)
  }
  .nav.open{display:flex}
  .nav a{width:100%;padding:11px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:12px;border-bottom:0;text-align:center}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding:80px 0 90px}
  section{padding:56px 0}
  .author-box{flex-direction:column;text-align:center}
}