@font-face { font-family: "Vazirmatn"; font-weight: 400; font-display: swap; src: url("../fonts/Vazirmatn-Regular.woff2") format("woff2"); }
@font-face { font-family: "Vazirmatn"; font-weight: 500; font-display: swap; src: url("../fonts/Vazirmatn-Medium.woff2") format("woff2"); }
@font-face { font-family: "Vazirmatn"; font-weight: 700; font-display: swap; src: url("../fonts/Vazirmatn-Bold.woff2") format("woff2"); }
@font-face { font-family: "Vazirmatn"; font-weight: 900; font-display: swap; src: url("../fonts/Vazirmatn-Black.woff2") format("woff2"); }

:root {
  --ink: #07110f;
  --ink-soft: #0d1916;
  --panel: #10201c;
  --paper: #f2f8f4;
  --muted: #9fb1aa;
  --line: rgba(228, 247, 238, .13);
  --lime: #c8ff3d;
  --lime-deep: #92c900;
  --cyan: #57e8ff;
  --coral: #ff786a;
  --shadow: 0 32px 90px rgba(0, 0, 0, .42);
  --radius: 28px;
  --container: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: "Vazirmatn", Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.container { width: var(--container); margin-inline: auto; }
.skip-link {
  position: fixed;
  inset-inline-start: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--lime);
  color: var(--ink);
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled {
  background: rgba(7, 17, 15, .82);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  direction: ltr;
  font-weight: 900;
  letter-spacing: -.025em;
}
.brand-mark {
  width: 42px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(200, 255, 61, .34);
  border-radius: 13px;
  background: rgba(200, 255, 61, .09);
  box-shadow: inset 0 0 20px rgba(200, 255, 61, .05);
  color: var(--lime);
}
.brand-mark svg { width: 24px; }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: .98rem; }
.brand-copy small { color: var(--muted); font-size: .62rem; font-weight: 500; letter-spacing: .02em; }
.nav-links { display: flex; align-items: center; gap: 28px; color: #c6d3ce; font-size: .92rem; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--lime); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, .04);
  color: var(--paper);
  cursor: pointer;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 15px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .menu-button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(87, 232, 255, .65);
  outline-offset: 3px;
}
.button-primary {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 12px 35px rgba(155, 220, 0, .18);
}
.button-primary:hover { box-shadow: 0 16px 45px rgba(155, 220, 0, .28); }
.button-ghost { border-color: var(--line); background: rgba(255, 255, 255, .035); }
.button-ghost:hover { border-color: rgba(200, 255, 61, .42); background: rgba(200, 255, 61, .07); }
.button svg { width: 19px; height: 19px; }

.hero {
  position: relative;
  min-height: 830px;
  display: flex;
  align-items: center;
  padding: 148px 0 84px;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  top: -90px;
  right: -180px;
  z-index: -2;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 255, 61, .12), transparent 68%);
  filter: blur(4px);
}
.hero::after {
  content: "";
  position: absolute;
  left: -220px;
  bottom: -150px;
  width: 620px;
  height: 620px;
  z-index: -2;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(87, 232, 255, .105), transparent 68%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(460px, 1.08fr);
  align-items: center;
  gap: clamp(44px, 6vw, 94px);
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 13px 7px 15px;
  border: 1px solid rgba(200, 255, 61, .25);
  border-radius: 999px;
  background: rgba(200, 255, 61, .065);
  color: #dfff8e;
  font-size: .86rem;
  font-weight: 700;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(200, 255, 61, .09);
}
h1 {
  max-width: 680px;
  margin: 26px 0 22px;
  font-size: clamp(3rem, 5.7vw, 5.7rem);
  font-weight: 900;
  line-height: 1.07;
  letter-spacing: 0;
}
h1 .accent { color: var(--lime); }
h1 .outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 248, 244, .7);
  text-stroke: 1px rgba(242, 248, 244, .7);
}
.hero-lead {
  max-width: 610px;
  margin: 0;
  color: #b8c8c2;
  font-size: clamp(1.04rem, 1.5vw, 1.23rem);
  line-height: 2;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-note {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: .9rem;
}
.avatar-stack { display: flex; direction: ltr; }
.avatar-stack span {
  width: 30px;
  height: 30px;
  margin-left: -8px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), #517cff);
  color: var(--ink);
  font-size: .72rem;
  font-weight: 900;
}
.avatar-stack span:nth-child(2) { background: linear-gradient(135deg, var(--lime), #f8ff8c); }
.avatar-stack span:nth-child(3) { background: linear-gradient(135deg, var(--coral), #ffb06b); }

.hero-visual { position: relative; min-height: 570px; direction: ltr; }
.orbital-word {
  position: absolute;
  top: 22px;
  left: 50%;
  width: 140px;
  height: 140px;
  margin-left: -70px;
  z-index: 4;
  animation: spin 18s linear infinite;
}
.orbital-word text { fill: #aac0b8; font-family: Arial, sans-serif; font-size: 8.5px; letter-spacing: 2.5px; }
.orbital-core { fill: var(--lime); }
@keyframes spin { to { transform: rotate(360deg); } }
.studio-window {
  position: absolute;
  inset: 72px 0 26px 34px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 31px;
  background:
    linear-gradient(130deg, rgba(9, 22, 18, .35), rgba(9, 22, 18, .86)),
    radial-gradient(circle at 20% 20%, rgba(87, 232, 255, .22), transparent 34%),
    linear-gradient(145deg, #132923 0%, #0a1513 56%, #08100e 100%);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .08);
  transform: perspective(1100px) rotateY(5deg) rotateX(1.5deg);
}
.window-bar {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  background: rgba(4, 12, 10, .68);
  backdrop-filter: blur(12px);
}
.window-dots { display: flex; gap: 7px; }
.window-dots i { width: 9px; height: 9px; border-radius: 50%; background: #365148; }
.window-dots i:first-child { background: var(--coral); }
.window-dots i:nth-child(2) { background: #ffd16c; }
.window-dots i:nth-child(3) { background: var(--lime); }
.window-title { color: #9db0a9; font-size: .73rem; letter-spacing: .06em; }
.window-canvas {
  position: relative;
  height: calc(100% - 52px);
  padding: 34px;
}
.interface-card {
  width: 68%;
  min-height: 245px;
  padding: 23px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 23px;
  background: rgba(8, 20, 17, .64);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 50px rgba(0, 0, 0, .22);
}
.interface-label { color: var(--lime); font-size: .72rem; font-weight: 800; letter-spacing: .04em; }
.interface-title { width: 76%; height: 17px; margin-top: 17px; border-radius: 6px; background: rgba(242, 248, 244, .85); }
.interface-text { width: 94%; height: 8px; margin-top: 14px; border-radius: 6px; background: rgba(242, 248, 244, .16); }
.interface-text.short { width: 64%; margin-top: 8px; }
.interface-row { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-top: 25px; }
.interface-block {
  height: 84px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(87, 232, 255, .15), rgba(200, 255, 61, .05));
}
.prompt-card {
  position: absolute;
  right: 20px;
  bottom: 28px;
  width: 74%;
  padding: 17px 18px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid rgba(200, 255, 61, .28);
  border-radius: 18px;
  background: rgba(9, 24, 19, .88);
  box-shadow: 0 20px 38px rgba(0, 0, 0, .35);
  backdrop-filter: blur(18px);
  color: #e9f2ee;
  font-size: .8rem;
  line-height: 1.65;
}
.prompt-icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--lime);
  color: var(--ink);
}
.prompt-icon svg { width: 20px; }
.floating-chip {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  background: rgba(16, 32, 28, .85);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .28);
  backdrop-filter: blur(14px);
  font-size: .75rem;
  font-weight: 700;
}
.floating-chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 13px var(--cyan); }
.chip-one { left: -8px; top: 190px; animation: float 4s ease-in-out infinite; }
.chip-two { right: -20px; top: 142px; animation: float 4.7s ease-in-out -1.2s infinite; }
.chip-two::before { background: var(--lime); box-shadow: 0 0 13px var(--lime); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

.ticker {
  max-width: 100vw;
  overflow: clip;
  contain: paint;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, .018);
}
.ticker-track {
  min-width: max-content;
  padding: 16px 0;
  display: flex;
  align-items: center;
  gap: 27px;
  color: #c6d5cf;
  animation: marquee 22s linear infinite;
}
.ticker-item { display: flex; align-items: center; gap: 27px; font-size: .9rem; font-weight: 600; }
.ticker-item::after { content: "✦"; color: var(--lime); font-size: .7rem; }
@keyframes marquee { to { transform: translateX(50%); } }

.section { padding: 112px 0; }
.section-head { max-width: 710px; margin-bottom: 50px; }
.kicker { margin: 0 0 13px; color: var(--lime); font-size: .83rem; font-weight: 800; letter-spacing: .03em; }
h2 { margin: 0; font-size: clamp(2.05rem, 4vw, 3.8rem); line-height: 1.23; letter-spacing: -.045em; }
.section-head p { margin: 18px 0 0; color: var(--muted); font-size: 1.03rem; }

.roadmap { position: relative; }
.roadmap::before {
  content: "";
  position: absolute;
  inset: 54% -10% auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(87, 232, 255, .2), rgba(200, 255, 61, .3), transparent);
}
.roadmap-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-card {
  min-height: 330px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .012));
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.step-card:hover { transform: translateY(-7px); border-color: rgba(200, 255, 61, .27); background: linear-gradient(145deg, rgba(200, 255, 61, .065), rgba(255, 255, 255, .015)); }
.step-number { color: rgba(242, 248, 244, .17); font-size: 4.8rem; font-weight: 900; line-height: 1; letter-spacing: -.08em; }
.step-icon {
  width: 49px;
  height: 49px;
  margin: -10px 0 24px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: rgba(200, 255, 61, .1);
  color: var(--lime);
}
.step-icon svg { width: 24px; }
.step-card:nth-child(2) .step-icon { color: var(--cyan); background: rgba(87, 232, 255, .1); }
.step-card:nth-child(3) .step-icon { color: var(--coral); background: rgba(255, 120, 106, .1); }
.step-card h3 { margin: 0; font-size: 1.35rem; }
.step-card p { margin: 12px 0 0; color: var(--muted); font-size: .94rem; }
.step-meta { margin-top: auto; padding-top: 25px; color: #d2dfda; font-size: .8rem; font-weight: 700; }

.manifesto { padding-top: 18px; }
.manifesto-box {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 65px;
  align-items: center;
  padding: clamp(38px, 6vw, 78px);
  border: 1px solid rgba(200, 255, 61, .17);
  border-radius: 38px;
  background: var(--lime);
  color: var(--ink);
}
.manifesto-box::after {
  content: "AI";
  position: absolute;
  left: -25px;
  bottom: -112px;
  color: rgba(7, 17, 15, .08);
  font: 900 18rem/1 Arial, sans-serif;
  letter-spacing: -.11em;
}
.manifesto-box h2 { max-width: 580px; }
.manifesto-copy { position: relative; z-index: 2; }
.manifesto-copy > p { margin: 20px 0 0; color: rgba(7, 17, 15, .72); font-size: 1.02rem; }
.check-list { display: grid; gap: 12px; }
.check-item {
  position: relative;
  z-index: 2;
  min-height: 67px;
  padding: 12px 15px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid rgba(7, 17, 15, .13);
  border-radius: 17px;
  background: rgba(255, 255, 255, .28);
  font-weight: 800;
}
.check-icon {
  flex: 0 0 auto;
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ink);
  color: var(--lime);
}
.check-icon svg { width: 18px; }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.why-item { padding-inline-end: 20px; border-inline-end: 1px solid var(--line); }
.why-item:first-child { border-inline-end: 0; }
.why-mark {
  width: 42px;
  height: 5px;
  margin-bottom: 24px;
  border-radius: 99px;
  background: var(--lime);
}
.why-item:nth-child(2) .why-mark { background: var(--cyan); }
.why-item:nth-child(3) .why-mark { background: var(--coral); }
.why-item h3 { margin: 0; font-size: 1.25rem; }
.why-item p { margin: 11px 0 0; color: var(--muted); font-size: .94rem; }

.faq { padding-top: 20px; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: start; }
.faq-layout .section-head { position: sticky; top: 120px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  list-style: none;
  cursor: pointer;
  font-size: 1.04rem;
  font-weight: 800;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--lime);
  font: 400 1.4rem/1 Arial, sans-serif;
  transition: transform .2s ease, background .2s ease;
}
details[open] summary::after { transform: rotate(45deg); background: rgba(200, 255, 61, .08); }
details p { margin: -3px 0 25px; padding-inline-end: 0; color: var(--muted); }

.final-cta { padding: 95px 0 34px; }
.cta-box {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: clamp(38px, 7vw, 84px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(87, 232, 255, .2);
  border-radius: 38px;
  background:
    radial-gradient(circle at 12% 78%, rgba(87, 232, 255, .17), transparent 31%),
    radial-gradient(circle at 90% 16%, rgba(200, 255, 61, .17), transparent 28%),
    linear-gradient(145deg, #10221e, #091512);
}
.cta-box::before, .cta-box::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 28px;
  transform: rotate(24deg);
}
.cta-box::before { right: -55px; top: -75px; }
.cta-box::after { left: -48px; bottom: -84px; transform: rotate(-21deg); }
.cta-box h2 { max-width: 740px; position: relative; z-index: 2; }
.cta-box p { max-width: 610px; margin: 18px 0 28px; color: #adc0b9; position: relative; z-index: 2; }
.cta-box .button { position: relative; z-index: 2; }

footer { padding: 34px 0 44px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .84rem; }
.footer-domain { direction: ltr; letter-spacing: .03em; color: #d2dfda; }

.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .menu-button { display: grid; place-items: center; }
  .nav-links.is-open {
    position: absolute;
    top: 72px;
    inset-inline: 20px;
    display: grid;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(7, 17, 15, .96);
    box-shadow: var(--shadow);
  }
  .nav-links.is-open a { padding: 12px; }
  .header-cta { display: none; }
  .hero { padding-top: 128px; }
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 525px; max-width: 720px; width: 100%; margin-inline: auto; }
  .studio-window { inset-inline: 22px; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 260px; }
  .manifesto-box { grid-template-columns: 1fr; gap: 36px; }
  .why-grid { grid-template-columns: 1fr; gap: 28px; }
  .why-item { padding: 0 0 28px; border-inline-end: 0; border-bottom: 1px solid var(--line); }
  .faq-layout { grid-template-columns: 1fr; gap: 10px; }
  .faq-layout .section-head { position: static; }
}

@media (max-width: 640px) {
  :root { --container: min(100% - 28px, 1180px); --radius: 23px; }
  .nav { min-height: 72px; }
  .brand-copy small { display: none; }
  .hero { min-height: auto; padding: 112px 0 62px; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.2rem); line-height: 1.16; }
  h1 .outline { color: var(--paper); -webkit-text-stroke: 0; text-stroke: 0; }
  .hero-lead { font-size: 1rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-note { align-items: flex-start; }
  .hero-visual { min-height: 420px; margin-top: 5px; }
  .studio-window { inset: 58px 0 18px; border-radius: 24px; transform: none; }
  .window-canvas { padding: 22px; }
  .interface-card { width: 88%; min-height: 206px; padding: 18px; }
  .prompt-card { width: 91%; right: 10px; bottom: 16px; }
  .floating-chip { font-size: .68rem; }
  .chip-one { left: -5px; top: 140px; }
  .chip-two { right: -6px; top: 86px; }
  .orbital-word { width: 112px; height: 112px; margin-left: -56px; }
  .ticker-track { width: 100%; min-width: 100%; justify-content: space-around; animation: none; }
  .ticker-item { gap: 18px; }
  .ticker-item:nth-child(n+4) { display: none; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 35px; }
  .step-card { padding: 24px; }
  .manifesto-box { padding: 34px 23px; border-radius: 28px; }
  .manifesto-box::after { font-size: 12rem; bottom: -73px; }
  .faq { padding-top: 0; }
  summary { min-height: 80px; font-size: .96rem; }
  .cta-box { min-height: 380px; padding: 38px 22px; border-radius: 28px; }
  .footer-row { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}
  
/* Store */
main.page { padding-top: 124px; padding-bottom: 80px; min-height: 70vh; }
.page-title { margin: 0; font-size: clamp(2rem, 3.6vw, 3.1rem); font-weight: 900; line-height: 1.3; max-width: none; }
.narrow { width: min(820px, calc(100% - 40px)); }
.section-head-row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section-head-row > div:first-child { max-width: 710px; }
.head-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.head-actions .button, .button-small { min-height: 42px; padding: 0 16px; font-size: .88rem; border-radius: 12px; width: auto; white-space: nowrap; }
.button-block { width: 100%; }
button.button { cursor: pointer; }
.nav-links .nav-mobile-only { display: none; }
.icon-link { position: relative; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 13px; background: rgba(255, 255, 255, .04); }
.icon-link svg { width: 21px; }
.icon-link:hover { border-color: rgba(200, 255, 61, .42); color: var(--lime); }
.cart-badge { position: absolute; top: -6px; inset-inline-end: -6px; min-width: 20px; height: 20px; padding: 0 5px; display: grid; place-items: center; border-radius: 999px; background: var(--lime); color: var(--ink); font-size: .72rem; font-weight: 900; }

.flash-stack { display: grid; gap: 10px; margin-bottom: 24px; }
.flash-home { position: relative; z-index: 3; padding-top: 104px; margin-bottom: -96px; }
.flash { padding: 13px 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .04); font-size: .94rem; }
.flash-success { border-color: rgba(200, 255, 61, .35); background: rgba(200, 255, 61, .08); color: #e6ffa8; }
.flash-error { border-color: rgba(255, 120, 106, .4); background: rgba(255, 120, 106, .1); color: #ffc8c1; }
.flash-info { border-color: rgba(87, 232, 255, .35); background: rgba(87, 232, 255, .08); color: #c3f6ff; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .012)); transition: transform .25s ease, border-color .25s ease; }
.product-card:hover { transform: translateY(-5px); border-color: rgba(200, 255, 61, .27); }
.product-cover { position: relative; height: 158px; display: flex; align-items: flex-end; justify-content: space-between; padding: 18px; overflow: hidden; direction: ltr; background: radial-gradient(circle at 80% 10%, var(--cover-glow), transparent 55%), linear-gradient(145deg, #132923, #0a1513); color: var(--cover-tint); }
.product-cover::after { content: ""; position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px); background-size: 26px 26px; -webkit-mask-image: linear-gradient(200deg, #000, transparent 75%); mask-image: linear-gradient(200deg, #000, transparent 75%); }
.product-cover-lg { height: 186px; border-radius: 20px; border: 1px solid var(--line); }
.cover-course { --cover-tint: var(--lime); --cover-glow: rgba(200, 255, 61, .26); }
.cover-source { --cover-tint: var(--cyan); --cover-glow: rgba(87, 232, 255, .26); }
.cover-skill { --cover-tint: #ffd16c; --cover-glow: rgba(255, 209, 108, .24); }
.cover-prompt { --cover-tint: var(--coral); --cover-glow: rgba(255, 120, 106, .25); }
.cover-icon { position: relative; z-index: 1; width: 62px; height: 62px; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, .13); border-radius: 18px; background: rgba(7, 17, 15, .55); }
.cover-icon svg { width: 32px; }
.cover-kicker { position: relative; z-index: 1; font-size: .7rem; font-weight: 700; letter-spacing: .14em; color: #cbdad4; }
.product-body { flex: 1; display: flex; flex-direction: column; padding: 20px 22px 22px; }
.product-category { color: var(--lime); font-size: .8rem; font-weight: 700; }
.product-body h3 { margin: 6px 0 8px; font-size: 1.14rem; line-height: 1.55; }
.product-body h3 a:hover { color: var(--lime); }
.product-body p { margin: 0 0 18px; color: var(--muted); font-size: .9rem; line-height: 1.85; }
.product-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); }
.price { font-size: 1.04rem; font-weight: 900; }
.product-more { color: var(--lime); font-size: .88rem; font-weight: 700; }

.tiers { padding-top: 0; }
.tier-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.tier-card { display: flex; flex-direction: column; gap: 8px; padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255, 255, 255, .02); transition: border-color .2s ease, background .2s ease; }
.tier-card:hover { border-color: rgba(200, 255, 61, .4); background: rgba(200, 255, 61, .05); }
.tier-name { color: var(--lime); font-size: .84rem; font-weight: 700; }
.tier-card strong { font-size: 1.26rem; font-weight: 900; }
.tier-copy { color: var(--muted); font-size: .88rem; line-height: 1.85; }
.tier-count { margin-top: auto; padding-top: 8px; color: #c6d3ce; font-size: .8rem; }
a.step-meta { color: var(--lime); }
a.step-meta:hover { text-decoration: underline; }

.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.chip { padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; color: #c6d3ce; font-size: .88rem; font-weight: 500; transition: border-color .2s ease, color .2s ease; }
.chip:hover { border-color: rgba(200, 255, 61, .42); color: var(--lime); }
.chip.is-active { background: var(--lime); border-color: var(--lime); color: var(--ink); font-weight: 700; }
.filter-note { margin: -14px 0 22px; color: var(--muted); font-size: .9rem; }
.filter-note a { color: var(--lime); }
.empty-box { padding: 40px 24px; text-align: center; border: 1px dashed var(--line); border-radius: 22px; color: var(--muted); }
.empty-box p { margin: 0 0 16px; }

.breadcrumb { display: flex; gap: 8px; margin-bottom: 22px; color: var(--muted); font-size: .86rem; }
.breadcrumb a:hover { color: var(--lime); }
.product-layout { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 44px; align-items: start; }
.product-subtitle { margin: 10px 0 0; color: #c6d3ce; font-size: 1.1rem; }
.highlight-list { list-style: none; margin: 26px 0; padding: 18px 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 22px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 255, 255, .02); }
.highlight-list li { display: flex; gap: 10px; align-items: flex-start; font-size: .93rem; }
.check-mini { flex: 0 0 auto; width: 22px; height: 22px; margin-top: 3px; display: grid; place-items: center; border-radius: 7px; background: rgba(200, 255, 61, .13); color: var(--lime); }
.check-mini svg { width: 13px; }
.prose { color: #d6e2dd; font-size: 1rem; line-height: 2.05; }
.prose h2, .prose h3 { margin: 28px 0 8px; color: var(--paper); font-size: 1.28rem; letter-spacing: 0; line-height: 1.5; }
.prose p { margin: 0 0 14px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-inline-start: 22px; }
.prose li { margin-bottom: 5px; }
.prose a { color: var(--lime); text-decoration: underline; }
.detail-block { margin-top: 38px; }
.detail-block h2, .related h2, .sub-title { margin: 0 0 14px; font-size: 1.32rem; letter-spacing: 0; line-height: 1.5; }
.sub-title { margin-top: 34px; }
.plain-list { margin: 0; padding-inline-start: 20px; color: #d6e2dd; }
.plain-list li { margin-bottom: 7px; }
.license-note { margin: 0; color: var(--muted); font-size: .93rem; white-space: pre-line; }
.buy-box { position: sticky; top: 104px; display: grid; gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015)); }
.buy-price { font-size: 1.62rem; font-weight: 900; text-align: center; }
.buy-facts { margin: 0; display: grid; gap: 2px; font-size: .88rem; }
.buy-facts div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 2px; border-top: 1px solid var(--line); }
.buy-facts dt { color: var(--muted); }
.buy-facts dd { margin: 0; font-weight: 500; }
.related { margin-top: 74px; }

.line-list { display: grid; gap: 10px; }
.line-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 15px 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, .02); }
.line-link:hover { border-color: rgba(200, 255, 61, .3); }
.line-title { display: block; font-weight: 700; }
.line-meta { display: block; margin-top: 2px; color: var(--muted); font-size: .84rem; }
.line-end { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.link-button { padding: 0; border: 0; background: none; color: var(--coral); font-size: .85rem; cursor: pointer; }
.summary-box { display: grid; gap: 12px; margin-top: 18px; padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255, 255, 255, .03); }
.summary-box form { display: grid; gap: 12px; }
.summary-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.summary-row strong { font-size: 1.24rem; font-weight: 900; }
.summary-note { margin: 0; color: var(--muted); font-size: .9rem; }
.check-field { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: #d6e2dd; }
.check-field input { width: 18px; height: 18px; margin-top: 5px; accent-color: var(--lime); }
.check-field a { color: var(--lime); text-decoration: underline; }
.status { padding: 3px 11px; border-radius: 999px; background: rgba(255, 255, 255, .07); font-size: .78rem; font-weight: 700; white-space: nowrap; }
.status-paid, .status-published, .status-succeeded { background: rgba(200, 255, 61, .14); color: var(--lime); }
.status-pending, .status-draft, .status-created, .status-verifying { background: rgba(255, 209, 108, .14); color: #ffd16c; }
.status-refunded, .status-failed, .status-canceled { background: rgba(255, 120, 106, .14); color: var(--coral); }

.auth-wrap { display: grid; place-items: center; }
.form-card { width: min(460px, 100%); padding: 30px 28px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015)); }
.form-card h1 { margin: 0 0 20px; font-size: 1.6rem; line-height: 1.4; }
.form-card form { display: grid; gap: 14px; }
.form-card .flash { margin-bottom: 16px; }
.form-hint { margin: 0 0 14px; color: var(--muted); font-size: .92rem; }
.field { display: grid; gap: 6px; font-size: .9rem; color: #d6e2dd; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 13px; background: rgba(7, 17, 15, .6); color: var(--paper); font: inherit; }
.field textarea { min-height: 110px; line-height: 1.8; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(87, 232, 255, .5); outline-offset: 1px; border-color: transparent; }
.field input:disabled { opacity: .6; }
.form-links { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 16px 0 0; font-size: .88rem; }
.form-links a { color: var(--lime); }

.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.contact-card { display: grid; gap: 4px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, .02); }
.contact-card span { color: var(--muted); font-size: .84rem; }
.contact-card a { color: var(--lime); font-weight: 700; justify-self: start; }
.contact-wide { margin-top: 12px; }
.lead-text { margin: 12px 0 0; color: var(--muted); }
.prose-page .prose { margin-top: 22px; }
.center-page { text-align: center; padding-top: 30px; }
.center-text { color: var(--muted); }
.error-code { margin: 0; color: var(--lime); font-size: 4rem; font-weight: 900; line-height: 1.2; }

.site-footer { padding: 48px 0 34px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr auto; gap: 34px; margin-bottom: 30px; }
.footer-grid h3 { margin: 0 0 10px; font-size: .96rem; }
.footer-grid > div > a:not(.brand) { display: block; padding: 3px 0; color: var(--muted); font-size: .88rem; }
.footer-grid > div > a:not(.brand):hover { color: var(--lime); }
.footer-about p { margin: 10px 0 0; color: var(--muted); font-size: .88rem; }
.footer-seal img { min-width: 84px; min-height: 84px; border-radius: 12px; background: #fff; }

@media (max-width: 980px) {
  .nav-links.is-open .nav-mobile-only { display: block; color: var(--lime); font-weight: 700; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tier-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-layout { grid-template-columns: 1fr; gap: 28px; }
  .buy-box { position: static; order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  main.page { padding-top: 100px; }
  .narrow { width: min(100% - 28px, 820px); }
  .product-grid, .tier-grid, .contact-grid, .highlight-list { grid-template-columns: 1fr; }
  .section-head-row { flex-direction: column; align-items: stretch; }
  .button-small, .head-actions .button { width: auto; }
  .line-item { flex-wrap: wrap; }
  .line-end { width: 100%; justify-content: space-between; }
  .line-item > .button { width: 100%; }
  .form-card { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-about, .footer-seal { grid-column: 1 / -1; }
  .nav { gap: 10px; }
}