:root {
  --ink: #0f0d0b;
  --ink-2: #1a1714;
  --line: rgba(243, 238, 228, .12);
  --cream: #f3eee4;
  --cream-2: #cfc8bb;
  --muted: #8f877b;
  --green: #1d3b2c;
  --green-2: #24493a;
  --gold: #d4b26a;
  --yellow: #f5c518;
  --red: #d6241c;
  --serif: "Marcellus", Georgia, serif;
  --sans: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --radius: 18px;
  --ease: cubic-bezier(0.44, 0, 0, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--cream); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, video { display: block; max-width: 100%; }
.wrap { width: min(1160px, 100% - 32px); margin: 0 auto; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(14px); background: rgba(15, 13, 11, .72); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font: 400 22px var(--serif); letter-spacing: .18em; text-decoration: none; }
.nav-links { display: flex; gap: 22px; align-items: center; font-size: 15px; }
.nav-links a { text-decoration: none; color: var(--cream-2); }
.nav-links a:hover { color: var(--cream); }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: var(--ink); }
@media (max-width: 720px) { .nav-links .hide-sm { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border-radius: 999px; font: 700 15px var(--sans); letter-spacing: .02em; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .5s var(--ease), background .3s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--yellow); color: var(--ink); }
.btn-ghost { border-color: var(--line); color: var(--cream); background: transparent; }
.btn-green { background: var(--green); color: var(--cream); }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* type */
.kicker { font: 900 12px var(--sans); letter-spacing: .3em; text-transform: uppercase; color: var(--gold); }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0; letter-spacing: -.005em; }
h1 { font-size: clamp(44px, 7.4vw, 92px); }
h2 { font-size: clamp(34px, 5vw, 58px); }
h3 { font-size: 24px; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--cream-2); max-width: 620px; }
.marker { background: linear-gradient(transparent 58%, rgba(245, 197, 24, .85) 58%, rgba(245, 197, 24, .85) 92%, transparent 92%); color: inherit; padding: 0 .08em; }
.strike { position: relative; color: var(--muted); }
.strike::after { content: ""; position: absolute; left: -4%; right: -4%; top: 52%; height: 3px; background: var(--yellow); transform: rotate(-3deg); }

section { padding: 110px 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: 0; }
.section-head { display: grid; gap: 16px; margin-bottom: 48px; max-width: 760px; }

/* hero */
.hero { padding: 72px 0 90px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-copy { display: grid; gap: 26px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { font-size: 14px; color: var(--muted); }
.phones { position: relative; height: 640px; }
.phone { position: absolute; width: 250px; aspect-ratio: 9 / 16; border-radius: 26px; overflow: hidden; background: #000; box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px var(--line); }
.phone video { width: 100%; height: 100%; object-fit: cover; }
.phone.p1 { left: 0; top: 70px; transform: rotate(-5deg); }
.phone.p2 { left: 31%; top: 0; z-index: 2; width: 270px; }
.phone.p3 { right: 0; top: 96px; transform: rotate(5deg); }
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .phones { height: 470px; }
  .phone { width: 42vw; max-width: 210px; }
  .phone.p2 { width: 46vw; max-width: 230px; left: 50%; transform: translateX(-50%); }
  .phone.p1 { left: 0; top: 60px; }
  .phone.p3 { right: 0; top: 80px; }
}

/* compare */
.compare { display: grid; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare-row { display: grid; grid-template-columns: 160px 1fr 1fr; border-top: 1px solid var(--line); }
.compare-row:first-child { border-top: 0; font: 900 12px var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.compare-row > div { padding: 18px 22px; }
.compare-row > div:nth-child(2) { color: var(--muted); }
.compare-row > div:nth-child(3) { background: rgba(29, 59, 44, .35); }
.compare-row .area { font-weight: 700; }
@media (max-width: 720px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-row:first-child { display: none; }
  .compare-row > div { padding: 10px 18px; }
  .compare-row > div:nth-child(2)::before { content: "AI biasa: "; font-weight: 700; }
  .compare-row > div:nth-child(3)::before { content: "Altera: "; font-weight: 700; color: var(--yellow); }
}

/* style grid */
.styles { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 22px; }
.style-card { display: grid; gap: 12px; }
.style-card .frame { aspect-ratio: 9 / 16; border-radius: 16px; overflow: hidden; background: #000; box-shadow: 0 0 0 1px var(--line); position: relative; }
.style-card video, .style-card img { width: 100%; height: 100%; object-fit: cover; }
.style-card .tag { font: 900 11px var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
.style-card h3 { font-size: 21px; }
.style-card p { margin: 0; color: var(--cream-2); font-size: 15px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step { background: var(--ink); padding: 28px; display: grid; gap: 10px; align-content: start; }
.step .n { font: 400 40px var(--serif); color: var(--gold); }
.step p { margin: 0; color: var(--cream-2); font-size: 15px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* inside */
.inside { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.inside li { list-style: none; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; }
.inside ul { padding: 0; margin: 0; display: contents; }
.inside b { display: block; margin-bottom: 4px; }
.inside span { color: var(--cream-2); font-size: 15px; }
@media (max-width: 720px) { .inside { grid-template-columns: 1fr; } }

/* price */
.price-card { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; padding: 48px; border-radius: 28px; background: radial-gradient(120% 140% at 0% 0%, var(--green-2), var(--green) 55%, #10251b); }
.price { font: 400 clamp(46px, 6vw, 72px) var(--serif); }
.price small { font: 400 16px var(--sans); color: var(--cream-2); }
.price-card ul { margin: 0; padding-left: 20px; color: var(--cream); }
.price-card li { margin: 6px 0; }
@media (max-width: 820px) { .price-card { grid-template-columns: 1fr; padding: 30px; } }

/* faq */
.faq details { border-top: 1px solid var(--line); padding: 20px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--cream-2); margin: 12px 0 0; max-width: 760px; }

footer { padding: 48px 0 64px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }

/* forms + member */
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--ink-2); }
.center-page { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 40px 0; }
.form { display: grid; gap: 14px; width: min(420px, 100%); }
.input { width: 100%; padding: 15px 18px; border-radius: 12px; border: 1px solid var(--line); background: #0b0a08; color: var(--cream); font: 400 16px var(--sans); }
.input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.msg { font-size: 15px; color: var(--cream-2); min-height: 1.4em; }
.key { font: 600 22px ui-monospace, Menlo, monospace; letter-spacing: .06em; padding: 14px 18px; border-radius: 12px; background: var(--cream); color: var(--ink); display: inline-block; }
.member-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 860px) { .member-grid { grid-template-columns: 1fr; } }
pre.prompt { white-space: pre-wrap; background: #0b0a08; border: 1px solid var(--line); border-radius: 12px; padding: 16px; font: 14px/1.55 ui-monospace, Menlo, monospace; color: var(--cream); margin: 0; }
.post { border-top: 1px solid var(--line); padding: 18px 0; }
.post .meta { font-size: 13px; color: var(--muted); }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .95s cubic-bezier(0, 0, 0, 1), transform 1.1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .btn:hover { transform: none; } }
.style-card p::first-letter { text-transform: uppercase; }

/* phone spacing */
@media (max-width: 720px) {
  body { font-size: 16px; }
  section { padding: 64px 0; }
  .hero { padding: 36px 0 8px; }
  .hero-copy { gap: 20px; }
  .section-head { margin-bottom: 28px; }
  .phones { height: 430px; margin-top: 8px; }
  .price-card { border-radius: 22px; }
  .step { padding: 22px; }
  .card { padding: 22px; }
  .key { font-size: 18px; }
}
@media (max-width: 720px) {
  .styles { grid-template-columns: 1fr 1fr; gap: 16px 12px; }
  .style-card { gap: 8px; }
  .style-card h3 { font-size: 17px; }
  .style-card p { font-size: 13px; line-height: 1.45; }
  .style-card .tag { font-size: 10px; letter-spacing: .16em; }
}