/* =====================================================================
   OPTULYA — Landing CSS
   Direction artistique : sombre, premium, lumineux par touches,
   verre, halos diffus, beam cinématique. Aucune dépendance.
   ===================================================================== */

:root {
  --bg-1: #030605;
  --bg-2: #08110d;
  --bg-3: #0b1612;

  --green: #2cffc0;
  --green-2: #00ffaa;
  --green-soft: rgba(44, 255, 192, 0.14);
  --green-line: rgba(44, 255, 192, 0.32);

  --gold: #caa85a;
  --gold-soft: rgba(202, 168, 90, 0.14);

  --text: rgba(255, 255, 255, 0.92);
  --text-soft: rgba(255, 255, 255, 0.68);
  --text-dim: rgba(255, 255, 255, 0.45);

  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);

  --card: rgba(255, 255, 255, 0.025);
  --card-2: rgba(255, 255, 255, 0.04);

  --radius-xl: 26px;
  --radius-l: 18px;
  --radius-m: 14px;
  --radius-s: 10px;

  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 56px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-soft: 0 30px 80px -20px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 80px -10px rgba(44, 255, 192, 0.22);

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

/* ───────── Reset / base ───────── */
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-1);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.08;
  color: var(--text);
}
p { margin: 0; color: var(--text-soft); }

/* ───────── Ambient background ───────── */
.scene {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 78% -10%, #0b1f17 0%, transparent 55%),
    radial-gradient(900px 600px at 0% 30%, #06120e 0%, transparent 55%),
    linear-gradient(180deg, #030605 0%, #04090a 60%, #030605 100%);
}
.halo {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.55;
  mix-blend-mode: screen;
  animation: breath 9s var(--ease) infinite;
}
.halo-a {
  width: 720px; height: 720px;
  top: -200px; right: -160px;
  background: radial-gradient(circle, rgba(44,255,192,0.42), transparent 60%);
}
.halo-b {
  width: 600px; height: 600px;
  top: 30%; left: -180px;
  background: radial-gradient(circle, rgba(0,255,170,0.22), transparent 60%);
  animation-delay: -3s;
}
.halo-c {
  width: 520px; height: 520px;
  bottom: -120px; left: 40%;
  background: radial-gradient(circle, rgba(202,168,90,0.18), transparent 65%);
  animation-delay: -6s;
}
.beam {
  position: absolute;
  top: -20%;
  left: 30%;
  width: 280px;
  height: 160%;
  background: linear-gradient(90deg, transparent, rgba(44,255,192,0.10), transparent);
  filter: blur(40px);
  transform: rotate(18deg);
  animation: beam-slide 22s linear infinite;
  opacity: 0.7;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  opacity: 0.5;
}
.grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.06 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
}

/* ───────── Navigation ───────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 18px var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(3,6,5,0.7), rgba(3,6,5,0.25));
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 18px;
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, #2cffc0, #00ffaa);
  position: relative;
  box-shadow: 0 0 24px -4px rgba(44,255,192,0.6),
              inset 0 0 0 1px rgba(255,255,255,0.18);
}
.brand-mark span {
  position: absolute; inset: 6px;
  border-radius: 5px;
  background: var(--bg-1);
  box-shadow: inset 0 0 0 1.5px var(--green);
}
.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--text-soft);
}
.nav-links a {
  position: relative;
  padding: 6px 0;
  transition: color .35s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
  transition: right .45s var(--ease);
}
.nav-links a:hover::after { right: 0; }
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ───────── Buttons ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .4s var(--ease), background .4s var(--ease),
              box-shadow .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
  will-change: transform;
}
.btn .ic { width: 16px; height: 16px; }
.btn-primary {
  color: #042018;
  background: linear-gradient(135deg, #2cffc0, #00ffaa);
  box-shadow:
    0 12px 40px -10px rgba(44,255,192,0.6),
    inset 0 0 0 1px rgba(255,255,255,0.35),
    inset 0 -8px 24px -8px rgba(0,40,28,0.4);
  font-weight: 600;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 18px 50px -10px rgba(44,255,192,0.7),
    inset 0 0 0 1px rgba(255,255,255,0.45);
}
.btn-ghost {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(44,255,192,0.4);
  color: var(--text);
}
.btn-lg { padding: 14px 22px; font-size: 15px; }
.btn-xl { padding: 17px 28px; font-size: 16px; }

/* ───────── Layout helpers ───────── */
main { display: block; }
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 160px) var(--gutter);
  position: relative;
}
.section-head {
  max-width: 760px;
  margin: 0 auto clamp(40px, 6vw, 80px);
  text-align: center;
}
.section-head h2 {
  font-size: clamp(32px, 4.4vw, 52px);
  margin: 14px 0 18px;
}
.section-head p {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--text-soft);
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--green-soft);
  border: 1px solid var(--green-line);
}

/* ═══════════════════ HERO ═══════════════════ */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(60px, 10vw, 120px) var(--gutter) clamp(80px, 12vw, 140px);
  position: relative;
}
.hero-text { position: relative; z-index: 2; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  letter-spacing: 0.02em;
}
.badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: pulse 2.6s var(--ease) infinite;
}

.hero-title {
  font-size: clamp(40px, 6.2vw, 78px);
  margin: 28px 0 22px;
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.hero-title .grad {
  display: block;
  background: linear-gradient(120deg, #ffffff 0%, #2cffc0 50%, #ffffff 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 8s linear infinite;
}
.hero-sub {
  font-size: clamp(16px, 1.45vw, 19px);
  max-width: 540px;
  color: var(--text-soft);
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 13px;
  color: var(--text-dim);
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.trust-item .ic {
  width: 16px; height: 16px;
  color: var(--green);
}

/* ───────── Hero stage : mockup + floating cards ───────── */
.hero-stage {
  position: relative;
  height: 540px;
  perspective: 1400px;
}
.stage-glow {
  position: absolute;
  inset: -8% -12% -8% -12%;
  background: radial-gradient(ellipse at 60% 50%, rgba(44,255,192,0.30), transparent 60%);
  filter: blur(60px);
  z-index: 0;
  animation: breath 8s var(--ease) infinite;
}

.mockup {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotateY(-6deg) rotateX(6deg);
  width: min(440px, 95%);
  background: linear-gradient(180deg, rgba(20,30,26,0.85), rgba(8,14,12,0.85));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    var(--shadow-soft),
    var(--shadow-glow),
    inset 0 0 0 1px rgba(255,255,255,0.04),
    inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  z-index: 2;
  animation: floatA 8s var(--ease) infinite;
}
.mockup::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), transparent 30%);
  pointer-events: none;
}
.mockup-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.mockup-dots span:nth-child(1) { background: rgba(255,90,90,0.5); }
.mockup-dots span:nth-child(2) { background: rgba(255,200,80,0.5); }
.mockup-dots span:nth-child(3) { background: rgba(80,220,140,0.5); }
.mockup-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px;
  color: var(--text-soft);
  font-weight: 500;
}
.m-mark {
  width: 14px; height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, #2cffc0, #00ffaa);
  box-shadow: 0 0 10px rgba(44,255,192,0.7);
}
.mockup-spacer { flex: 1; }

.mockup-body { padding: 22px 24px 24px; }

.mb-balance .lbl {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.mb-balance .val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}
.mb-balance .val .cur { font-size: 22px; color: var(--text-soft); margin-left: 2px; }
.mb-balance .trend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-top: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid var(--green-line);
}

.mb-chart {
  width: 100%;
  height: 90px;
  margin: 18px 0 8px;
}

.mb-list {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mb-list .row {
  display: grid;
  grid-template-columns: 12px 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mb-list .row:last-child { border-bottom: none; }
.rdot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.25);
}
.rdot.up { background: var(--green); box-shadow: 0 0 8px var(--green); }
.rname { color: var(--text); font-weight: 500; }
.rtag {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}
.ramt { color: var(--text-soft); font-variant-numeric: tabular-nums; }
.ramt.up { color: var(--green); }

.mb-insight {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(44,255,192,0.10), rgba(44,255,192,0.02));
  border: 1px solid var(--green-line);
}
.ins-icon {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  border-radius: 9px;
  background: rgba(44,255,192,0.18);
  color: var(--green);
}
.ins-icon .ic { width: 16px; height: 16px; }
.ins-text {
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ins-gain {
  color: var(--green);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ───────── Floating cards ───────── */
.float-card {
  position: absolute;
  background: linear-gradient(180deg, rgba(20,30,26,0.92), rgba(8,14,12,0.92));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-l);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow:
    0 22px 50px -16px rgba(0,0,0,0.7),
    inset 0 0 0 1px rgba(255,255,255,0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 3;
}
.fc-icon {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(44,255,192,0.15);
  color: var(--green);
}
.fc-icon .ic { width: 18px; height: 18px; }
.fc-icon.brain { background: rgba(202,168,90,0.15); color: var(--gold); }
.fc-body { display: flex; flex-direction: column; }
.fc-title { font-size: 13px; font-weight: 600; color: var(--text); }
.fc-meta { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; }

.fc-top {
  top: 4%; left: -8%;
  animation: floatB 7s var(--ease) infinite;
}
.fc-bot {
  bottom: 6%; left: -6%;
  display: block;
  min-width: 200px;
  animation: floatA 9s var(--ease) infinite;
  animation-delay: -2s;
}
.fc-bot .kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.fc-bot .kpi-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--text);
  margin: 4px 0 8px;
  letter-spacing: -0.02em;
}
.fc-bot .kpi-value span { font-size: 14px; color: var(--text-dim); margin-left: 2px; }
.fc-bot .kpi-bar {
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  overflow: hidden;
}
.fc-bot .kpi-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green-2), var(--green));
  border-radius: 999px;
  box-shadow: 0 0 14px rgba(44,255,192,0.5);
}
.fc-side {
  top: 38%; right: -8%;
  animation: floatB 8s var(--ease) infinite;
  animation-delay: -3s;
}

/* ═══════════════════ PRODUCT SHOWCASE ═══════════════════ */
.product-stage {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
}
.ps-glow {
  position: absolute;
  inset: -10% -6%;
  background: radial-gradient(ellipse at 50% 40%, rgba(44,255,192,0.18), transparent 60%);
  filter: blur(70px);
  z-index: 0;
}
.ps-frame {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, rgba(20,30,26,0.85), rgba(8,14,12,0.92));
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    0 60px 140px -40px rgba(0,0,0,0.8),
    var(--shadow-glow),
    inset 0 1px 0 rgba(255,255,255,0.08);
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.ps-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
}
.ps-bar span {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.ps-bar span:nth-child(1) { background: rgba(255,90,90,0.5); }
.ps-bar span:nth-child(2) { background: rgba(255,200,80,0.5); }
.ps-bar span:nth-child(3) { background: rgba(80,220,140,0.5); }
.ps-bar em {
  margin-left: auto;
  font-style: normal;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}
.ps-grid {
  padding: 28px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
}
.ps-tile {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.ps-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), transparent 35%);
  pointer-events: none;
}
.ps-tile.big { grid-row: span 2; }
.ps-tile.wide { grid-column: span 2; }
.ps-tile-h {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}
.ps-tile-v {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  margin-top: 10px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.ps-tile-v.gold { color: var(--gold); }
.ps-tile-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
}
.ps-tile.big .ps-tile-v { font-size: 44px; }
.ps-spark { margin-top: 22px; }
.ps-spark svg { width: 100%; height: 60px; }
.ps-tile-reco {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text);
  padding: 14px 16px;
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(44,255,192,0.10), rgba(44,255,192,0.02));
  border: 1px solid var(--green-line);
}
.ps-tile-reco .ic { width: 18px; height: 18px; color: var(--green); flex: 0 0 auto; }
.ps-tile-reco strong { color: var(--green); font-weight: 600; }

.ps-legend {
  position: absolute;
  font-size: 12px;
  color: var(--text-soft);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(8,14,12,0.85);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
}
.ps-legend .led {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}
.ps-legend.l1 { top: -16px; left: 6%; }
.ps-legend.l2 { bottom: -16px; right: 8%; }

/* ═══════════════════ PROBLEM / SOLUTION ═══════════════════ */
.ps-cols {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 24px;
  align-items: stretch;
  max-width: 1040px;
  margin: 0 auto;
}
.ps-col {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.ps-col::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), transparent 25%);
  pointer-events: none;
}
.ps-col.after {
  background: linear-gradient(180deg, rgba(44,255,192,0.07), rgba(44,255,192,0.01));
  border-color: var(--green-line);
  box-shadow: 0 30px 80px -40px rgba(44,255,192,0.4);
}
.ps-col-h {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 22px;
}
.tag-circle {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 16px;
  font-weight: 600;
}
.tag-circle.off {
  background: rgba(255,255,255,0.08);
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.tag-circle.on {
  background: var(--green);
  color: #042018;
  box-shadow: 0 0 18px rgba(44,255,192,0.5);
}
.tag-circle.on .ic { width: 16px; height: 16px; }
.ps-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ps-col li {
  font-size: 15px;
  color: var(--text-soft);
  display: flex;
  align-items: center;
  gap: 12px;
}
.ps-col li span {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--text-dim);
  flex: 0 0 auto;
}
.ps-col.after li { color: var(--text); }
.ps-col.after li span { background: var(--green); box-shadow: 0 0 8px var(--green); }
.ps-divider {
  display: grid; place-items: center;
  color: var(--green);
}
.ps-divider svg { width: 28px; height: 28px; }

/* ═══════════════════ FEATURES ═══════════════════ */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}
.feat {
  position: relative;
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform .5s var(--ease), border-color .5s var(--ease), background .5s var(--ease);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.feat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent 30%);
  pointer-events: none;
}
.feat::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(44,255,192,0.18), transparent 40%);
  opacity: 0;
  transition: opacity .5s var(--ease);
  pointer-events: none;
}
.feat:hover {
  transform: translateY(-3px);
  border-color: var(--green-line);
}
.feat:hover::after { opacity: 1; }
.feat-icon {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(44,255,192,0.12);
  color: var(--green);
  border: 1px solid var(--green-line);
  margin-bottom: 22px;
}
.feat-icon .ic { width: 22px; height: 22px; }
.feat h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.feat p {
  font-size: 14.5px;
  color: var(--text-soft);
  line-height: 1.55;
}

/* ═══════════════════ HOW IT WORKS ═══════════════════ */
.how-steps {
  display: grid;
  grid-template-columns: 1fr 60px 1fr 60px 1fr;
  gap: 0;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.step {
  padding: 36px 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  text-align: left;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.step::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent 30%);
  pointer-events: none;
}
.step-num {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--green);
  margin-bottom: 18px;
}
.step h3 { font-size: 22px; margin-bottom: 12px; }
.step p { font-size: 15px; color: var(--text-soft); }
.step-link {
  height: 1px;
  background: linear-gradient(90deg, var(--green-line), transparent);
  position: relative;
}
.step-link::before {
  content: "";
  position: absolute;
  right: 0; top: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  transform: translateY(-50%);
  box-shadow: 0 0 12px var(--green);
}

/* ═══════════════════ NUMBERS ═══════════════════ */
.num-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
}
.num {
  padding: 36px 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align: left;
}
.num::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-line), transparent);
}
.num-v {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.2vw, 56px);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff, #b9fff0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.num-v span { font-size: 0.55em; color: var(--green); margin-left: 4px; -webkit-text-fill-color: var(--green); }
.num-l {
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.5;
}

/* ═══════════════════ TRUST ═══════════════════ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}
.trust-card {
  padding: 36px 32px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.trust-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), transparent 30%);
  pointer-events: none;
}
.t-icon {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: rgba(44,255,192,0.12);
  color: var(--green);
  border: 1px solid var(--green-line);
  margin-bottom: 22px;
}
.t-icon .ic { width: 22px; height: 22px; }
.trust-card h3 { font-size: 19px; margin-bottom: 10px; }
.trust-card p { font-size: 14.5px; color: var(--text-soft); }

/* ═══════════════════ FINAL CTA ═══════════════════ */
.final {
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: clamp(100px, 14vw, 180px);
}
.final-card {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(50px, 7vw, 90px) clamp(30px, 5vw, 70px);
  text-align: center;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(20,30,26,0.85), rgba(8,14,12,0.92));
  border: 1px solid rgba(44,255,192,0.22);
  box-shadow:
    0 80px 160px -40px rgba(0,0,0,0.85),
    0 0 100px -10px rgba(44,255,192,0.35),
    inset 0 1px 0 rgba(255,255,255,0.08);
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.final-glow {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(44,255,192,0.30), transparent 55%),
    radial-gradient(ellipse at 50% 100%, rgba(202,168,90,0.15), transparent 55%);
  filter: blur(50px);
  z-index: 0;
  animation: breath 9s var(--ease) infinite;
}
.final-card > * { position: relative; z-index: 1; }
.final-card h2 {
  font-size: clamp(32px, 4.6vw, 56px);
  margin: 18px 0 18px;
  letter-spacing: -0.03em;
}
.final-card p {
  font-size: clamp(15px, 1.4vw, 18px);
  max-width: 580px;
  margin: 0 auto 36px;
}
.final-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ═══════════════════ FOOTER ═══════════════════ */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px var(--gutter) 60px;
  border-top: 1px solid var(--border);
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.foot-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-soft);
}
.foot-links a:hover { color: var(--text); }
.foot-fine {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* ═══════════════════ ANIMATIONS ═══════════════════ */
@keyframes breath {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50%      { opacity: 0.85; transform: scale(1.05); }
}
@keyframes beam-slide {
  0%   { transform: translateX(-30%) rotate(18deg); opacity: 0.5; }
  50%  { opacity: 0.85; }
  100% { transform: translateX(30%) rotate(18deg); opacity: 0.5; }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(44,255,192,0.6); }
  50%      { box-shadow: 0 0 0 8px rgba(44,255,192,0); }
}
@keyframes shine {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@keyframes floatA {
  0%, 100% { transform: translate(-50%, -50%) rotateY(-6deg) rotateX(6deg) translateY(0); }
  50%      { transform: translate(-50%, -50%) rotateY(-6deg) rotateX(6deg) translateY(-8px); }
}
@keyframes floatB {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* Float-card overrides since they're absolute (not transformed via translate(-50%,-50%)) */
.fc-bot { animation: floatB 9s var(--ease) infinite; animation-delay: -2s; }

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 1s var(--ease),
    transform 1s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.hero-stage.reveal { transition-delay: .15s; }

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media (max-width: 1080px) {
  .feat-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .num-grid { grid-template-columns: repeat(2, 1fr); }
  .ps-grid { grid-template-columns: 1fr 1fr; }
  .ps-tile.big { grid-row: span 1; grid-column: span 2; }
  .ps-tile.wide { grid-column: span 2; }
}
@media (max-width: 880px) {
  .nav-links { display: none; }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }
  .hero-stage {
    height: 480px;
    margin-top: 20px;
  }
  .mockup { width: min(380px, 90%); }
  .fc-top { left: 0; }
  .fc-bot { left: 0; }
  .fc-side { right: 0; }
  .ps-cols {
    grid-template-columns: 1fr;
  }
  .ps-divider { transform: rotate(90deg); margin: 0 auto; }
  .how-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .step-link { display: none; }
}
@media (max-width: 560px) {
  .feat-grid, .trust-grid, .num-grid { grid-template-columns: 1fr; }
  .nav-cta .btn-ghost { display: none; }
  .hero-stage { height: 440px; }
  .mockup { width: 92%; }
  .fc-top, .fc-bot, .fc-side {
    transform: scale(0.88);
    transform-origin: left center;
  }
  .fc-side { transform-origin: right center; }
  .section { padding-top: 80px; padding-bottom: 80px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =====================================================================
   POLISH PASS — Direction artistique finale
   Hierarchie visuelle : hero > CTA > sections de support.
   Touches additives uniquement, aucune restructuration.
   ===================================================================== */

/* ── 1. HERO : glow localise derriere le mockup ──────────────────── */
.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 55% 45%,
    rgba(44, 255, 192, 0.18),
    rgba(44, 255, 192, 0.05) 30%,
    transparent 60%);
  pointer-events: none;
  z-index: 1;
  filter: blur(8px);
}

/* Reflet blanc fin sur le bord superieur du mockup
   (le ::before est deja pris par le gradient interne) */
.mockup::after {
  content: "";
  position: absolute;
  top: 0;
  left: 15%;
  width: 70%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.55) 50%,
    transparent);
  opacity: 0.7;
  pointer-events: none;
  z-index: 4;
}

/* Le mockup est legerement plus lumineux que le reste de la page */
.mockup {
  filter: brightness(1.08) contrast(1.05);
}

/* ── 2. TITRE HERO : impact subtil ─────────────────────────────── */
.hero-title {
  text-shadow:
    0 2px 12px rgba(0, 0, 0, 0.6),
    0 0 18px rgba(44, 255, 192, 0.15);
}

/* ── 3. CARTES FLOTTANTES : contraste + reflet haut ────────────── */
.float-card {
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.65),
    0 4px 12px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.float-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.35) 50%,
    transparent);
  opacity: 0.6;
  pointer-events: none;
}

/* ── 4. FEATURES : hover plus chaud + reflet haut ──────────────── */
.feat:hover {
  border-color: rgba(44, 255, 192, 0.4);
  box-shadow:
    0 14px 44px rgba(0, 0, 0, 0.65),
    0 0 30px rgba(44, 255, 192, 0.10);
}
/* Le reflet haut : ::before et ::after sont deja pris,
   on passe par un background layere (ligne 1px en haut) */
.feat {
  background-image:
    linear-gradient(90deg,
      transparent 20%,
      rgba(255, 255, 255, 0.22) 50%,
      transparent 80%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  background-size: 100% 1px, 100% 100%;
  background-position: top left, top left;
  background-repeat: no-repeat, no-repeat;
}

/* ── 5. PRODUCT : halo cible sous le frame ─────────────────────── */
/* .ps-frame a overflow:hidden -> on pose le halo sur le parent
   .product-stage qui, lui, n'est pas clippe */
.product-stage { position: relative; }
.product-stage::after {
  content: "";
  position: absolute;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 140px;
  background: radial-gradient(ellipse,
    rgba(44, 255, 192, 0.14),
    transparent 70%);
  filter: blur(34px);
  pointer-events: none;
  z-index: 0;
}

/* ── 6. CTA FINAL : 2e point fort ──────────────────────────────── */
.final { position: relative; }
.final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center,
    rgba(44, 255, 192, 0.10),
    transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.final::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 20%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.32) 50%,
    transparent);
  pointer-events: none;
}
.final-card { position: relative; z-index: 1; }

/* ── 7. HIERARCHIE GLOBALE : sections de support legerement ─────
   plus sombres pour mettre hero + CTA en avant */
.feat,
.trust-card,
.num {
  filter: brightness(0.96);
}
.feat:hover { filter: brightness(1); }

/* =====================================================================
   AMBIENT REWORK — Fond immersif premium
   Inspiration : Apple / Stripe / Linear
   On retire grille, beam, halos techniques. On garde lumiere douce
   + grain matiere tres subtil. .scene est deja fixed inset:0 z:-1
   donc on l'utilise comme support direct du nouveau fond.
   ===================================================================== */

/* 1. Suppression des couches "tech" */
.scene .halo,
.scene .beam,
.scene .grid-overlay {
  display: none !important;
}

/* 2. Fond principal : image + overlay sombre + halos doux */
.scene {
  background-image:
    radial-gradient(
      circle at 70% 30%,
      rgba(44, 255, 192, 0.12),
      transparent 60%
    ),
    radial-gradient(
      circle at 30% 80%,
      rgba(202, 168, 90, 0.08),
      transparent 70%
    ),
    linear-gradient(rgba(1, 5, 4, 0.6), rgba(1, 5, 4, 0.6)),
    url('/static/optulya-bg2.png') !important;
  background-size: auto, auto, auto, cover !important;
  background-position: center, center, center, center !important;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat !important;
  background-color: #030605 !important;
}

/* 3. Grain matiere tres leger */
.scene .grain {
  opacity: 0.04;
  mix-blend-mode: overlay;
}

/* 4. Lumiere focalisee produit (override du polish pass) */
.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 60% 40%,
    rgba(44, 255, 192, 0.10),
    transparent 65%
  );
  filter: none;
  pointer-events: none;
  z-index: 1;
}

/* =====================================================================
   FOCUS PASS — Concentration de la lumiere sur le mockup
   - Fond global plus discret
   - Vignette premium pour focus centre
   - Mockup boost (drop-shadow + glow)
   ===================================================================== */

/* 1. Lumiere globale du fond plus discrete
   (.scene est l'equivalent de body::before sur la landing) */
.scene { opacity: 0.65 !important; }

/* 2. Vignette premium : assombrir les bords */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0) 30%,
    rgba(0, 0, 0, 0.75) 100%
  );
  pointer-events: none;
  z-index: -1;
}

/* 3. Lumiere ciblee sur le mockup (override des passes precedentes) */
.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 65% 45%,
    rgba(44, 255, 192, 0.12),
    transparent 55%
  );
  filter: none;
  pointer-events: none;
  z-index: 1;
}

/* 4. Mockup : drop-shadow profonde + glow vert
   Conserve brightness/contrast du polish pass via filter chain */
.mockup {
  filter:
    brightness(1.08)
    contrast(1.05)
    drop-shadow(0 30px 80px rgba(0, 0, 0, 0.8))
    drop-shadow(0 0 40px rgba(44, 255, 192, 0.15));
}

/* 5. Reduire la lumiere autour pour que le produit ressorte */
.hero-stage {
  filter: brightness(0.92);
}