:root{
  --navy:#0A1F44;
  --navy-700:#132b56;
  --navy-soft:#f3f6fb;
  --gold:#F4C542;
  --gold-soft:rgba(244,197,66,.15);
  --ink:#121826;
  --muted:#5b6579;
  --line:#e4e8f0;
  --bg:#ffffff;
  --bg-alt:#fafafa;
  --radius:16px;
  --shadow:0 10px 30px rgba(10,31,68,.08);
  --shadow-lg:0 24px 60px rgba(10,31,68,.16);
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;cursor:pointer}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:700;color:var(--navy);opacity:.65;margin:0 0 12px;
}
h1,h2,h3{line-height:1.15;margin:0 0 14px;letter-spacing:-.02em}
h1{font-size:clamp(34px,5vw,56px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0 0 14px;color:var(--muted)}
.lede{font-size:18px;max-width:62ch}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--navy);color:var(--gold);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.nav-links{display:flex;gap:28px;font-size:14px;font-weight:600}
.nav-links a{text-decoration:none;color:var(--muted)}
.nav-links a:hover{color:var(--navy)}
@media(max-width:860px){.nav-links{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  text-decoration:none;border:1px solid transparent;transition:.18s ease;
}
.btn-primary{background:var(--gold);color:var(--navy);box-shadow:0 8px 22px rgba(244,197,66,.38)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(244,197,66,.46)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-700)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);background:var(--navy-soft)}
.btn-lg{padding:17px 34px;font-size:16px}

/* ---------- hero ---------- */
.hero{padding:76px 0 64px;background:
  radial-gradient(1200px 420px at 15% -10%, rgba(244,197,66,.14), transparent 60%),
  linear-gradient(180deg,#fff, #fafbfe);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:940px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.hero h1 .accent{
  background:linear-gradient(180deg,transparent 62%, var(--gold-soft) 62%);
  padding:0 4px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-note{font-size:13px;color:var(--muted);margin-top:16px}
.hero-media{position:relative}
.hero-media img{border-radius:22px;box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:14px;
  box-shadow:var(--shadow);padding:14px 18px;display:flex;gap:12px;align-items:center;
  border:1px solid var(--line);
}
.hero-badge b{display:block;font-size:14px}
.hero-badge span{font-size:12px;color:var(--muted)}
.hero-badge .dot{width:9px;height:9px;border-radius:50%;background:#1fbf75;box-shadow:0 0 0 4px rgba(31,191,117,.16)}
@media(max-width:940px){.hero-badge{left:12px}}

/* ---------- sections ---------- */
section{padding:72px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:620px;margin-bottom:40px}

/* ---------- guarantee ---------- */
.guarantee{background:var(--navy);color:#fff}
.guarantee h2{color:#fff}
.guarantee p{color:rgba(255,255,255,.72)}
.guarantee .eyebrow{color:var(--gold);opacity:1}
.g-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:880px){.g-grid{grid-template-columns:1fr}}
.g-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:14px}
.g-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9)}
.tick{
  flex:none;width:22px;height:22px;border-radius:50%;background:var(--gold);color:var(--navy);
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:1px;
}
.compare{display:grid;gap:14px}
.compare div{
  border-radius:14px;padding:18px 20px;font-weight:600;font-size:15px;
  display:flex;gap:12px;align-items:center;
}
.compare .bad{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.66)}
.compare .good{background:var(--gold);color:var(--navy)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);position:relative;
}
.step-n{
  width:36px;height:36px;border-radius:10px;background:var(--navy);color:var(--gold);
  display:grid;place-items:center;font-weight:800;margin-bottom:16px;
}
.step p{font-size:14px;margin:0}

/* ---------- styles gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:1000px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.gallery{grid-template-columns:1fr}}
.gcard{
  border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:.2s ease;
}
.gcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.gcard img{aspect-ratio:4/3;object-fit:cover;width:100%}
.gcard .body{padding:16px 18px}
.gcard b{display:block;font-size:15px}
.gcard span{font-size:13px;color:var(--muted)}

/* ---------- before/after slider ---------- */
.ba-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:900px){.ba-wrap{grid-template-columns:1fr}}
.ba{
  position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/3;user-select:none;touch-action:none;cursor:ew-resize;
}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .after{clip-path:inset(0 0 0 50%)}
.ba-handle{
  position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;
  box-shadow:0 0 0 1px rgba(10,31,68,.18);
}
.ba-knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;background:#fff;box-shadow:var(--shadow);
  display:grid;place-items:center;font-size:14px;color:var(--navy);font-weight:800;
}
.ba-tag{
  position:absolute;top:14px;padding:6px 12px;border-radius:999px;font-size:11px;
  font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
.ba-tag.l{left:14px;background:rgba(10,31,68,.82);color:#fff}
.ba-tag.r{right:14px;background:var(--gold);color:var(--navy)}

/* ---------- portal ---------- */
.portal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:860px){.portal-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.portal-grid{grid-template-columns:1fr}}
.pcard{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;
  display:flex;gap:14px;align-items:flex-start;
}
.pico{
  flex:none;width:42px;height:42px;border-radius:12px;background:var(--gold-soft);
  display:grid;place-items:center;font-size:18px;
}
.pcard b{display:block;font-size:15px;margin-bottom:3px}
.pcard span{font-size:13px;color:var(--muted)}

/* ---------- final cta ---------- */
.cta{
  background:linear-gradient(135deg,var(--navy),#163566);color:#fff;border-radius:24px;
  padding:56px 48px;text-align:center;box-shadow:var(--shadow-lg);
}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.76);margin:0 auto 26px;max-width:52ch}
@media(max-width:600px){.cta{padding:40px 24px}}

/* ---------- footer ---------- */
footer{padding:36px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.foot-in{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:.6s cubic-bezier(.22,.8,.3,1)}
.reveal.in{opacity:1;transform:none}