/* ============================================================
   VYSE — Design system premium
   Palette : sombre profond + émeraude (couleur logo) + or (lifetime)
   Polices : Unbounded (marque) · Sora (titres) · Manrope (texte)
   ============================================================ */

:root {
  --ink: #050c08;
  --panel: #0a1610;
  --panel-2: #0c1a12;
  --line: #17241d;
  --line-dark: #12211a;
  --line-strong: #24463a;
  --em: #10b981;
  --em-light: #34d399;
  --em-hi: #6ee7b7;
  --mint: #7fd0af;
  --gold: #e6c46a;
  --txt: #eef4f0;
  --txt-2: #8fa197;
  --txt-3: #7b8a82;
  --txt-4: #4a5a51;
  --grad-btn: linear-gradient(135deg, #7cf0c2, #10b981);
  --grad-logo: linear-gradient(150deg, #7cf0c2, #0a8a5e 60%, #04412e);
  --font-display: 'Unbounded', sans-serif;
  --font-head: 'Sora', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--txt-2);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--em-light); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--em-hi); }
::selection { background: rgba(16,185,129,.35); color: var(--txt); }

/* ---------- Fond ambiant : halos verts (lueurs du logo) ---------- */
.bg {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1100px 700px at 50% -10%, rgba(16,185,129,.10), transparent 60%),
    radial-gradient(900px 600px at 88% 25%, rgba(52,211,153,.05), transparent 60%),
    radial-gradient(1000px 800px at 8% 95%, rgba(16,185,129,.06), transparent 60%),
    var(--ink);
}
.orb {
  position: fixed; z-index: -1; border-radius: 50%;
  filter: blur(95px); opacity: .55; pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}
.orb-a { width: 540px; height: 540px; top: -200px; left: 50%; margin-left: -270px;
  background: radial-gradient(circle, rgba(16,185,129,.17), transparent 70%); }
.orb-b { width: 430px; height: 430px; top: 36%; right: -170px;
  background: radial-gradient(circle, rgba(52,211,153,.10), transparent 70%); animation-delay: -6s; }
.orb-c { width: 470px; height: 470px; bottom: -190px; left: -170px;
  background: radial-gradient(circle, rgba(16,185,129,.09), transparent 70%); animation-delay: -12s; }
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(34px, 42px, 0) scale(1.07); }
}

/* ---------- Conteneurs ---------- */
.wrap   { max-width: 1200px; margin: 0 auto; padding-left: 40px; padding-right: 40px; }
.wrap-l { max-width: 1280px; margin: 0 auto; padding-left: 40px; padding-right: 40px; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  background: rgba(5, 12, 8, .72);
  border-bottom: 1px solid var(--line-dark);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-name {
  font-family: var(--font-display); font-weight: 500; font-size: 16px;
  letter-spacing: 4px; color: var(--txt);
}
.nav-links { display: flex; align-items: center; gap: 38px; }
.nav-links a {
  position: relative;
  font-family: var(--font-head); font-size: 14px; font-weight: 600;
  color: #9fb0a8; padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 2px; border-radius: 2px;
  background: var(--grad-btn);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.nav-links a:hover { color: var(--txt); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--txt); }

/* ---------- Menu mobile ---------- */
.nav-burger {
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  width: 42px; height: 42px; flex: none;
  background: rgba(10,22,16,.5); border: 1px solid var(--line); border-radius: 10px;
  cursor: pointer; transition: border-color .25s ease;
}
.nav-burger:hover { border-color: var(--line-strong); }
.nav-burger span {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: var(--txt);
  transition: transform .3s ease, opacity .3s ease;
}
.nav.menu-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.menu-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav.menu-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; }
.nav.menu-open .mobile-menu {
  display: flex; flex-direction: column;
  padding: 6px 22px 18px;
  border-top: 1px solid var(--line-dark);
  animation: menu-in .28s ease;
}
@keyframes menu-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}
.mobile-menu a {
  font-family: var(--font-head); font-size: 16px; font-weight: 600;
  color: #b8c4bd; padding: 14px 4px;
  border-bottom: 1px solid var(--line-dark);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--em-light); }

/* ---------- Logo (monogramme V) ---------- */
.logo-frame {
  position: relative; border-radius: 9px; padding: 1.5px;
  background: var(--grad-logo);
  width: 34px; height: 34px; flex: none;
}
.logo-frame > div {
  width: 100%; height: 100%; border-radius: 7.5px; background: #060f0a;
  display: flex; align-items: center; justify-content: center;
}
.logo-v { position: relative; width: 19px; height: 18px; }
.logo-v::before {
  content: ''; position: absolute; inset: 0;
  clip-path: polygon(0 0, 26% 0, 50% 60%, 74% 0, 100% 0, 58% 100%, 42% 100%);
  background: linear-gradient(180deg, #eafff7, #22b47d 45%, #0b6e4c 55%, #57cf9f 90%);
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 15px;
  letter-spacing: .4px; border-radius: 12px; padding: 15px 32px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
  position: relative; overflow: hidden; cursor: pointer;
}
.btn-sm { font-size: 13px; padding: 11px 22px; border-radius: 10px; letter-spacing: .8px; }
.btn-primary {
  color: #06120c; background: var(--grad-btn);
  box-shadow: 0 10px 32px rgba(16,185,129,.30);
}
.btn-primary:hover { color: #06120c; transform: translateY(-2px); box-shadow: 0 16px 44px rgba(16,185,129,.42); }
.btn-primary::after {
  content: ''; position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.42), transparent);
  transform: skewX(-20deg);
  transition: left .55s ease;
}
.btn-primary:hover::after { left: 130%; }
.btn-ghost { color: #cfe6dc; border: 1px solid var(--line-strong); background: rgba(10,22,16,.4); }
.btn-ghost:hover { color: var(--txt); border-color: #3a6a54; background: rgba(16,185,129,.07); transform: translateY(-2px); }
.btn-gold {
  color: #211a06; background: linear-gradient(135deg, #f9edc4, #e6c46a);
  box-shadow: 0 10px 30px rgba(230,196,106,.22);
}
.btn-gold:hover { color: #211a06; transform: translateY(-2px); box-shadow: 0 16px 40px rgba(230,196,106,.32); }

/* ---------- Textes ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-size: 12px; font-weight: 700;
  letter-spacing: 4px; color: var(--mint);
  border: 1px solid #1f3a2d; border-radius: 999px; padding: 9px 20px;
  background: rgba(16,185,129,.05);
}
.eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--em-light);
  box-shadow: 0 0 10px rgba(52,211,153,.9);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.8); }
}
h1, h2, h3 { font-family: var(--font-head); color: var(--txt); letter-spacing: -.02em; }
.h-display { font-weight: 800; font-size: 58px; line-height: 1.1; }
.h-page    { font-weight: 800; font-size: 48px; line-height: 1.15; }
.h-section { font-weight: 700; font-size: 34px; line-height: 1.2; }
.h-card    { font-weight: 700; font-size: 19px; letter-spacing: -.01em; }
.grad-text {
  background: linear-gradient(120deg, #6ee7b7, #34d399 45%, #7cf0c2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 17px; line-height: 1.75; color: var(--txt-2); }
.kicker {
  font-family: var(--font-head); font-size: 12px; font-weight: 700;
  letter-spacing: 3.5px; color: #4a9d7c;
}

/* ---------- Cartes ---------- */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.022), rgba(255,255,255,0) 40%), var(--panel);
  border: 1px solid var(--line); border-radius: 20px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.card-hover:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 60px rgba(16,185,129,.12);
}
.icon-tile {
  width: 46px; height: 46px; border-radius: 12px; padding: 1.5px;
  background: var(--grad-logo); flex: none;
}
.icon-tile > div {
  width: 100%; height: 100%; border-radius: 10.5px; background: #060f0a;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; line-height: 1;
}

/* ---------- Placeholder screenshots (à remplacer) ---------- */
.shot {
  position: relative; width: 100%; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(60% 80% at 50% 110%, rgba(16,185,129,.10), transparent 70%),
    linear-gradient(165deg, #0b1a12, #071009 60%, #081409);
}
.shot::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 25%, rgba(110,231,183,.045) 48%, transparent 65%);
  background-size: 240% 100%;
  animation: sheen 7s ease-in-out infinite;
}
@keyframes sheen {
  0%, 100% { background-position: 120% 0; }
  50% { background-position: -20% 0; }
}
.shot-label {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
}
.shot-label span {
  font-family: var(--font-head); font-size: 12px; font-weight: 600; letter-spacing: 2.5px;
  color: var(--txt-4); background: rgba(5,12,8,.8);
  border: 1px solid var(--line); padding: 10px 18px; border-radius: 9px;
  text-align: center;
}
.shot-hero { height: 560px; }
.shot-side { height: 380px; }

/* ---------- Bandeau CTA ---------- */
.cta-panel {
  position: relative; overflow: hidden;
  background: linear-gradient(115deg, #0a1e15 0%, #08170f 55%, #0a1e15 100%);
  border: 1px solid var(--line); border-radius: 26px;
  padding: 70px 64px;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px;
}
.cta-panel::before {
  content: ''; position: absolute; top: -140px; left: 50%; transform: translateX(-50%);
  width: 620px; height: 340px;
  background: radial-gradient(ellipse, rgba(52,211,153,.16), transparent 70%);
  pointer-events: none;
}

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line-dark); margin-top: 40px; }
.footer-inner {
  padding-top: 48px; padding-bottom: 48px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}
.footer-tag {
  font-family: var(--font-head); font-size: 12px; letter-spacing: 2px; color: var(--txt-4);
}
.footer-links { display: flex; gap: 26px; }
.footer-links a { font-family: var(--font-head); font-size: 13px; font-weight: 600; color: var(--txt-3); }
.footer-links a:hover { color: var(--txt); }

/* ---------- Animations d'apparition ---------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--d, 0s);
}
.reveal.in { opacity: 1; transform: none; }
.float-slow { animation: float 6s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Grilles ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

/* ---------- Réactivité de base (passe mobile complète à venir) ---------- */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .h-display { font-size: 46px; }
  .h-page { font-size: 40px; }
}
@media (max-width: 768px) {
  .wrap, .wrap-l { padding-left: 20px; padding-right: 20px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 18px; }
  .feature-row { grid-template-columns: 1fr; gap: 24px; }
  .feature-row .order-first { order: -1; }
  .h-display { font-size: 34px; }
  .h-page { font-size: 30px; }
  .h-section { font-size: 25px; }
  .lead { font-size: 15px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-inner { padding-top: 13px; padding-bottom: 13px; gap: 12px; }
  .brand-name { font-size: 14px; letter-spacing: 3px; }
  .btn { font-size: 14px; padding: 14px 24px; }
  .btn-sm { font-size: 12px; padding: 10px 16px; }
  .eyebrow { font-size: 11px; letter-spacing: 3px; padding: 8px 16px; }
  .shot-hero { height: 300px; }
  .shot-side { height: 230px; }
  .shot-label span { font-size: 10px; letter-spacing: 1.5px; padding: 8px 14px; }
  .cta-panel { padding: 44px 24px; border-radius: 20px; }
  .footer-inner { flex-direction: column; text-align: center; padding-top: 36px; padding-bottom: 36px; }
  .orb { filter: blur(70px); }
}
@media (max-width: 400px) {
  .h-display { font-size: 29px; }
  .h-page { font-size: 27px; }
}