/* ═══════════════════════════════════════════════════════════════
   KUWA GROUP — « Cartographie nocturne »
   Encre profonde, or ambré, routes de voyage. Fraunces + Albert Sans.
   ═══════════════════════════════════════════════════════════════ */

:root {
    --ink: #070b16;
    --ink-2: #0c1224;
    --ink-3: #121a33;
    --line: rgba(245, 200, 120, 0.14);
    --cream: #f3ecdd;
    --cream-dim: #b9b2a2;
    --amber: #f0a63a;
    --amber-deep: #c97b16;
    --amber-glow: rgba(240, 166, 58, 0.55);
    --teal: #37b8a4;
    --radius: 1.1rem;
    --font-display: 'Fraunces', 'Georgia', serif;
    --font-body: 'Albert Sans', system-ui, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--ink);
    color: var(--cream);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--amber); color: var(--ink); }

/* ── Atmosphère : dégradés + étoiles + grain ─────────────────── */
.sky {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background:
        radial-gradient(1200px 700px at 85% -10%, rgba(240, 166, 58, 0.13), transparent 60%),
        radial-gradient(900px 600px at -10% 30%, rgba(55, 184, 164, 0.09), transparent 55%),
        radial-gradient(1000px 900px at 50% 110%, rgba(201, 123, 22, 0.10), transparent 60%),
        linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 55%, var(--ink) 100%);
}
.sky::before { /* champ d'étoiles */
    content: ''; position: absolute; inset: 0; opacity: .5;
    background-image:
        radial-gradient(1.2px 1.2px at 12% 22%, #ffffffcc, transparent),
        radial-gradient(1px 1px at 32% 68%, #ffffff88, transparent),
        radial-gradient(1.4px 1.4px at 57% 14%, #ffd9a0bb, transparent),
        radial-gradient(1px 1px at 71% 47%, #ffffff99, transparent),
        radial-gradient(1.2px 1.2px at 88% 76%, #ffe9c9aa, transparent),
        radial-gradient(1px 1px at 44% 89%, #ffffff77, transparent),
        radial-gradient(1.1px 1.1px at 8% 81%, #ffffff88, transparent),
        radial-gradient(1.3px 1.3px at 94% 9%, #ffffffaa, transparent);
    background-size: 900px 700px;
    animation: twinkle 9s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .28; } to { opacity: .6; } }
.sky::after { /* grain */
    content: ''; position: absolute; inset: 0; opacity: .05; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Navigation ──────────────────────────────────────────────── */
header.nav {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(14px);
    background: rgba(7, 11, 22, 0.72);
    border-bottom: 1px solid var(--line);
}
.nav-inner {
    max-width: 1180px; margin: 0 auto; padding: 1rem 1.6rem;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand {
    font-family: var(--font-display); font-weight: 700; font-size: 1.35rem;
    color: var(--cream); text-decoration: none; letter-spacing: .01em;
    display: flex; align-items: baseline; gap: .45rem;
}
.brand .dot { color: var(--amber); }
.brand em { font-style: italic; font-weight: 600; color: var(--amber); }
.nav-links { display: flex; gap: 1.8rem; align-items: center; }
.nav-links a {
    color: var(--cream-dim); text-decoration: none; font-size: .95rem; font-weight: 500;
    transition: color .2s;
}
.nav-links a:hover { color: var(--cream); }
.nav-links a.cta {
    color: var(--ink); background: var(--amber); padding: .5rem 1.1rem;
    border-radius: 99px; font-weight: 600;
    box-shadow: 0 0 0 0 var(--amber-glow); transition: box-shadow .3s, transform .2s;
}
.nav-links a.cta:hover { box-shadow: 0 0 26px 0 var(--amber-glow); transform: translateY(-1px); }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
    position: relative; max-width: 1180px; margin: 0 auto;
    padding: clamp(4rem, 10vh, 7.5rem) 1.6rem 4.5rem;
}
.hero .kicker {
    display: inline-flex; align-items: center; gap: .6rem;
    font-size: .8rem; letter-spacing: .22em; text-transform: uppercase;
    color: var(--amber); font-weight: 600; margin-bottom: 1.4rem;
}
.hero .kicker::before { content: ''; width: 2.2rem; height: 1px; background: var(--amber); }
.hero h1 {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(2.6rem, 6.5vw, 4.8rem); line-height: 1.06;
    letter-spacing: -0.015em; max-width: 15ch;
}
.hero h1 em {
    font-style: italic; color: transparent;
    background: linear-gradient(100deg, var(--amber) 10%, #ffd98a 50%, var(--amber-deep) 90%);
    -webkit-background-clip: text; background-clip: text;
}
.hero p.lead {
    margin-top: 1.6rem; max-width: 56ch; font-size: 1.12rem; color: var(--cream-dim);
}
.hero .actions { margin-top: 2.4rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: .55rem;
    padding: .85rem 1.6rem; border-radius: 99px; text-decoration: none;
    font-weight: 600; font-size: .98rem; transition: transform .2s, box-shadow .3s, background .2s;
}
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { transform: translateY(-2px); box-shadow: 0 10px 34px -8px var(--amber-glow); }
.btn-ghost { border: 1px solid var(--line); color: var(--cream); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* Arcs de voyage animés (SVG dans le hero) */
.hero-arcs { position: absolute; right: -4%; top: 8%; width: min(46vw, 560px); opacity: .9; pointer-events: none; }
.hero-arcs .route { fill: none; stroke: url(#routeGrad); stroke-width: 1.6; stroke-dasharray: 6 10; animation: routeFlow 2.8s linear infinite; }
.hero-arcs .route.r2 { animation-duration: 4.2s; opacity: .55; }
.hero-arcs .route.r3 { animation-duration: 6s; opacity: .3; }
@keyframes routeFlow { to { stroke-dashoffset: -64; } }
.hero-arcs .city { fill: var(--amber); }
.hero-arcs .halo { fill: none; stroke: var(--amber); opacity: .5; animation: halo 2.6s ease-out infinite; transform-origin: center; }
@keyframes halo { 0% { stroke-width: 2; r: 4; opacity: .6; } 100% { stroke-width: 0; r: 22; opacity: 0; } }
.hero-arcs text { font-family: var(--font-body); font-size: 11px; letter-spacing: .18em; fill: var(--cream-dim); text-transform: uppercase; }

/* ── Piliers du groupe ───────────────────────────────────────── */
.section { max-width: 1180px; margin: 0 auto; padding: 4.5rem 1.6rem; position: relative; }
.section-head { margin-bottom: 3rem; }
.section-head .kicker {
    font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
    color: var(--amber); font-weight: 600;
}
.section-head h2 {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(1.9rem, 4vw, 2.9rem); margin-top: .5rem; letter-spacing: -0.01em;
}
.section-head p { color: var(--cream-dim); margin-top: .8rem; max-width: 60ch; }

.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; }
.pillar {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.6rem; background: linear-gradient(160deg, rgba(255,255,255,0.035), rgba(255,255,255,0.008));
}
.pillar .ico { font-size: 1.5rem; }
.pillar h3 { font-family: var(--font-display); font-size: 1.15rem; margin: .7rem 0 .4rem; }
.pillar p { font-size: .93rem; color: var(--cream-dim); }

/* ── LA ROUTE : timeline des applications ────────────────────── */
.route-section { position: relative; }
.timeline { position: relative; margin-top: 1rem; padding: 1rem 0 2rem; }
.timeline::before { /* la voie centrale */
    content: ''; position: absolute; top: 0; bottom: 0; left: 50%;
    width: 2px; transform: translateX(-50%);
    background: repeating-linear-gradient(180deg, var(--amber) 0 7px, transparent 7px 16px);
    opacity: .45;
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 6%, #000 94%, transparent);
            mask-image: linear-gradient(180deg, transparent, #000 6%, #000 94%, transparent);
    animation: railFlow 1.6s linear infinite;
}
@keyframes railFlow { to { background-position-y: 23px; } }

.stop { position: relative; width: 50%; padding: 1.4rem 3.4rem 1.4rem 0; }
.stop:nth-child(even) { margin-left: 50%; padding: 1.4rem 0 1.4rem 3.4rem; }
.stop .node { /* la gare */
    position: absolute; top: 50%; right: -11px; transform: translateY(-50%);
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--ink); border: 2px solid var(--amber); z-index: 2;
}
.stop:nth-child(even) .node { right: auto; left: -11px; }
.stop .node::after {
    content: ''; position: absolute; inset: 4px; border-radius: 50%;
    background: var(--amber); animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(.6); opacity: .7; } 50% { transform: scale(1); opacity: 1; } }

/* Carte 3D d'application */
.stop { perspective: 1100px; }
.app-card {
    display: block; text-decoration: none; color: inherit;
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1.7rem 1.8rem;
    background:
        linear-gradient(150deg, rgba(240, 166, 58, 0.07), transparent 42%),
        linear-gradient(160deg, var(--ink-3), var(--ink-2));
    transform-style: preserve-3d;
    transition: transform .25s ease, border-color .3s, box-shadow .35s;
    will-change: transform;
}
.app-card:hover {
    border-color: rgba(240, 166, 58, 0.55);
    box-shadow: 0 24px 60px -22px rgba(240, 166, 58, 0.28), 0 8px 30px -12px #000;
}
.app-card .top { display: flex; align-items: center; gap: .9rem; }
.app-card .glyph {
    font-size: 1.6rem; width: 3rem; height: 3rem; flex: none;
    display: grid; place-items: center; border-radius: .8rem;
    background: rgba(240, 166, 58, 0.12); border: 1px solid rgba(240, 166, 58, 0.25);
    transform: translateZ(28px);
}
.app-card h3 {
    font-family: var(--font-display); font-size: 1.28rem; font-weight: 600;
    transform: translateZ(20px);
}
.app-card .host {
    font-size: .8rem; color: var(--amber); letter-spacing: .05em; margin-top: .1rem;
    transform: translateZ(20px);
}
.app-card p { margin-top: .9rem; font-size: .93rem; color: var(--cream-dim); transform: translateZ(12px); }
.app-card .go {
    margin-top: 1.1rem; display: inline-flex; align-items: center; gap: .45rem;
    font-size: .88rem; font-weight: 600; color: var(--amber); transform: translateZ(16px);
}
.app-card .go svg { transition: transform .25s; }
.app-card:hover .go svg { transform: translateX(5px); }

/* Terminus décoratifs de la route */
.terminus {
    position: relative; z-index: 2; width: max-content; margin: 0 auto;
    display: flex; align-items: center; gap: .6rem;
    font-size: .8rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--cream-dim); background: var(--ink);
    border: 1px solid var(--line); border-radius: 99px; padding: .5rem 1.2rem;
}
.terminus .flag { font-size: 1rem; letter-spacing: 0; }

/* Révélation au scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── Bande contact / footer ──────────────────────────────────── */
.band {
    max-width: 1180px; margin: 2rem auto 0; padding: 0 1.6rem;
}
.band-inner {
    border: 1px solid rgba(240, 166, 58, 0.3); border-radius: 1.6rem;
    padding: clamp(2rem, 5vw, 3.5rem);
    text-align: center; position: relative; overflow: hidden;
    background:
        radial-gradient(600px 240px at 50% -40%, rgba(240, 166, 58, 0.16), transparent 70%),
        linear-gradient(170deg, var(--ink-3), var(--ink-2));
}
.band-inner h2 { font-family: var(--font-display); font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 600; }
.band-inner p { color: var(--cream-dim); margin: .8rem auto 1.8rem; max-width: 48ch; }

footer {
    margin-top: 4.5rem; border-top: 1px solid var(--line);
    padding: 2.6rem 1.6rem 3rem; font-size: .85rem; color: var(--cream-dim);
}
.foot-inner {
    max-width: 1180px; margin: 0 auto;
    display: flex; flex-wrap: wrap; gap: 1.4rem; justify-content: space-between; align-items: center;
}
footer a { color: var(--cream-dim); text-decoration: none; }
footer a:hover { color: var(--amber); }
.foot-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* ── Page contact ────────────────────────────────────────────── */
.contact-wrap {
    max-width: 1180px; margin: 0 auto; padding: clamp(3rem, 7vh, 5.5rem) 1.6rem 4rem;
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: 3.5rem;
}
.contact-aside h1 {
    font-family: var(--font-display); font-weight: 600;
    font-size: clamp(2.1rem, 4.6vw, 3.2rem); line-height: 1.1; letter-spacing: -0.01em;
}
.contact-aside h1 em { font-style: italic; color: var(--amber); }
.contact-aside > p { color: var(--cream-dim); margin-top: 1.1rem; max-width: 44ch; }
.coords { margin-top: 2.2rem; display: grid; gap: 1rem; }
.coord {
    display: flex; gap: .9rem; align-items: flex-start;
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 1rem 1.2rem; background: rgba(255,255,255,0.02); font-size: .92rem;
}
.coord .ico { font-size: 1.1rem; margin-top: .1rem; }
.coord strong { display: block; font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--amber); margin-bottom: .2rem; }
.coord a { color: var(--cream); text-decoration: none; }
.coord a:hover { color: var(--amber); }

form.contact {
    border: 1px solid var(--line); border-radius: 1.4rem;
    padding: clamp(1.6rem, 4vw, 2.6rem);
    background: linear-gradient(165deg, var(--ink-3), var(--ink-2));
    display: grid; gap: 1.15rem;
}
.field label { display: block; font-size: .82rem; font-weight: 600; letter-spacing: .06em; margin-bottom: .45rem; color: var(--cream); }
.field input, .field textarea {
    width: 100%; padding: .85rem 1rem; border-radius: .7rem;
    border: 1px solid var(--line); background: rgba(7, 11, 22, 0.6);
    color: var(--cream); font: inherit; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
    outline: none; border-color: var(--amber);
    box-shadow: 0 0 0 3px rgba(240, 166, 58, 0.18);
}
.field textarea { min-height: 10rem; resize: vertical; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
form.contact button {
    justify-self: start; cursor: pointer; border: none; font: inherit;
}
.form-note { font-size: .8rem; color: var(--cream-dim); }
/* honeypot : hors écran (PAS display:none, trop connu des bots) */
.hp-field { position: absolute !important; left: -6000px; top: -6000px; width: 1px; height: 1px; overflow: hidden; }

.flash { border-radius: .9rem; padding: 1rem 1.3rem; font-size: .95rem; font-weight: 500; }
.flash.ok { background: rgba(55, 184, 164, 0.12); border: 1px solid rgba(55, 184, 164, 0.5); color: #7fe0d0; }
.flash.err { background: rgba(230, 90, 70, 0.1); border: 1px solid rgba(230, 90, 70, 0.5); color: #ffb0a3; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
    .hero-arcs { display: none; }
    .contact-wrap { grid-template-columns: 1fr; gap: 2.4rem; }
}
@media (max-width: 720px) {
    .nav-links a:not(.cta) { display: none; }
    .timeline::before { left: 14px; }
    .stop, .stop:nth-child(even) { width: 100%; margin-left: 0; padding: 1rem 0 1rem 2.6rem; }
    .stop .node, .stop:nth-child(even) .node { left: 3px; right: auto; }
    .terminus { margin-left: 0; }
    .grid-2 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── Pages légales (Impressum / Datenschutz) ─────────────────── */
.legal {
    max-width: 820px; margin: 0 auto; padding: clamp(3rem, 7vh, 5rem) 1.6rem 5rem;
}
.legal h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 4.4vw, 3rem); letter-spacing: -0.01em; }
.legal .subtitle { color: var(--cream-dim); font-size: .9rem; margin-top: .6rem; }
.legal h2 {
    font-family: var(--font-display); font-weight: 600; font-size: 1.3rem;
    margin: 2.6rem 0 .8rem; padding-top: 1.6rem; border-top: 1px solid var(--line);
    color: var(--cream);
}
.legal h3 { font-size: 1.02rem; font-weight: 600; margin: 1.5rem 0 .5rem; color: var(--amber); }
.legal p { color: var(--cream-dim); margin-bottom: .9rem; }
.legal p strong { color: var(--cream); }
.legal ul { margin: 0 0 1rem 1.4rem; color: var(--cream-dim); }
.legal li { margin-bottom: .3rem; }
.legal a { color: var(--amber); text-decoration: none; }
.legal a:hover { text-decoration: underline; }
.legal .card {
    border: 1px solid var(--line); border-radius: var(--radius);
    background: rgba(255,255,255,0.025); padding: 1.2rem 1.4rem; margin-bottom: 1rem;
    color: var(--cream);
}
.legal .lang-note { font-style: italic; opacity: .85; }