:root {
  --bg: #0e1013;
  --bg-2: #15181d;
  --surface: #1b1f25;
  --line: #2a3038;
  --text: #e8ebef;
  --muted: #9aa3ae;
  --brass: #d4a64a;
  --brass-2: #b8892f;
  --cyan: #5fd3f0;
  --green: #3ddc84;
  --red: #ff6b5e;
  --radius: 14px;
  --max: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.eyebrow { color: var(--brass); font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: .8em; display: block; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--brass); color: #000; padding: 8px 12px; z-index: 99; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(14,16,19,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.logo:hover { text-decoration: none; }
.logo b { font-weight: 800; }
.logo span { color: var(--brass); }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--text); font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--brass); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 6px 10px; font-size: 1rem; cursor: pointer; }
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 8px 20px 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 12px; text-align: center; }
}

/* Buttons */
.btn { display: inline-block; padding: 13px 22px; border-radius: 10px; font-weight: 700; font-size: 1rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--brass); color: #111; }
.btn-primary:hover { background: #e2b65b; }
.btn-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--muted); }
.btn-wa { background: #25d366; color: #062b14; }
.nav .btn { padding: 9px 16px; font-size: .9rem; color: #111; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.4em; }

/* Sections */
section { padding: 84px 0; }
section.tight { padding: 56px 0; }
.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* Hero */
.hero { padding: 64px 0 72px; background: radial-gradient(1200px 500px at 75% 30%, rgba(95,211,240,.08), transparent 60%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.2rem; color: #c7cdd4; max-width: 560px; }
.hero-img { border-radius: 18px; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.badges { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 26px; color: var(--muted); font-size: .92rem; padding: 0; list-style: none; }
.badges li::before { content: "✓"; color: var(--green); font-weight: 800; margin-right: 6px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding-top: 36px; } }

/* Grids & cards */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { margin-bottom: .4em; }
.card p { color: var(--muted); margin: 0; }
.card .k { color: var(--brass); font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; display: block; margin-bottom: 8px; }
.icon { width: 42px; height: 42px; border-radius: 10px; background: rgba(212,166,74,.12); color: var(--brass); display: grid; place-items: center; margin-bottom: 16px; }
.icon svg { width: 22px; height: 22px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.rounded { border-radius: var(--radius); border: 1px solid var(--line); }

/* Steps */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.steps li { counter-increment: s; position: relative; padding: 20px 20px 20px 72px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.steps li::before { content: counter(s); position: absolute; left: 20px; top: 18px; width: 36px; height: 36px; border-radius: 50%; background: var(--brass); color: #111; font-weight: 800; display: grid; place-items: center; }
.steps strong { display: block; margin-bottom: 2px; }
.steps span { color: var(--muted); }

/* Videos */
.videos { display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 28px; justify-content: center; }
@media (max-width: 620px) { .videos { grid-template-columns: minmax(0, 340px); } }
.video-card { margin: 0; }
.video-card video { width: 100%; aspect-ratio: 9/16; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); background: #000; }
.video-card figcaption { color: var(--muted); font-size: .92rem; margin-top: 10px; text-align: center; }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface); font-size: .9rem; color: var(--muted); font-weight: 700; }
tr:last-child td { border-bottom: 0; }
td.good { color: var(--green); }
td.bad { color: var(--red); }

/* FAQ */
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 18px 22px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brass); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding: 0 22px 18px; color: var(--muted); }

/* CTA */
.cta { text-align: center; background: linear-gradient(135deg, #1d1a12, #13171c); border: 1px solid #3a3222; border-radius: 20px; padding: 56px 24px; }
.cta p { color: var(--muted); max-width: 620px; margin: 0 auto; }
.cta .btn-row { justify-content: center; }

/* Page header & article */
.page-head { padding: 56px 0 40px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.page-head p { color: var(--muted); font-size: 1.12rem; max-width: 760px; margin: 0; }
.crumbs { font-size: .85rem; color: var(--muted); margin-bottom: 16px; }
.crumbs a { color: var(--muted); }
.prose { max-width: 760px; }
.prose h2 { font-size: 1.6rem; margin-top: 1.8em; }
.prose h3 { margin-top: 1.4em; }
.prose li { margin-bottom: .4em; }
.prose img, .prose video { border-radius: var(--radius); border: 1px solid var(--line); margin: 1.4em 0; }
.note { border-left: 3px solid var(--brass); background: var(--surface); padding: 14px 18px; border-radius: 0 10px 10px 0; color: #cfd5dc; margin: 1.4em 0; }
.post-list { display: grid; gap: 18px; }
.post-list a.card { display: block; color: var(--text); }
.post-list a.card:hover { border-color: var(--brass-2); text-decoration: none; }

/* Specs */
.specs { list-style: none; padding: 0; margin: 0; }
.specs li { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.specs li span:first-child { color: var(--muted); }
.specs li span:last-child { text-align: right; }

/* Form */
.form { display: grid; gap: 14px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 620px) { .form .row { grid-template-columns: 1fr; } }
label { font-size: .9rem; color: var(--muted); display: grid; gap: 6px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brass); outline-offset: 1px; border-color: transparent; }
textarea { min-height: 120px; resize: vertical; }
.form-msg { font-size: .9rem; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 32px; background: #0b0d10; color: var(--muted); font-size: .93rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
@media (max-width: 800px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.site-footer h4 { color: var(--text); margin: 0 0 12px; font-size: .95rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }
.foot-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .85rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }

/* Floating WhatsApp */
.wa-float { position: fixed; right: 18px; bottom: 18px; width: 56px; height: 56px; border-radius: 50%; background: #25d366; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0,0,0,.4); z-index: 60; }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }
.prose .video-card { max-width: 340px; margin: 1.6em auto; }
.prose .video-card video { margin: 0; }
.foot-grid > *, .grid > *, .split > * { min-width: 0; }
.site-footer a, .specs a { overflow-wrap: anywhere; }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }