:root {
  --bg: #f8f9ff;
  --bg-alt: #f0eefc;
  --card: #ffffff;
  --line: #e2def5;
  --text: #1f2540;
  --muted: #5d6585;
  --accent: #5b30f0;
  --accent-text: #5b30f0;
  --accent2: #7c5cff;
  --btn: #5b30f0;
  --tg: #2b7de0;
  --tag-bg: #efeaff;
  --frame: #b7a7ff;
  --nav-bg: rgba(248,249,255,.85);
  --shadow: 0 1px 2px rgba(31,37,64,.04), 0 12px 32px rgba(91,48,240,.08);
  --glow: rgba(124,92,255,.14);
  --radius: 20px;
}
:root[data-theme="dark"] {
  --bg: #0d0b1f;
  --bg-alt: #121030;
  --card: #17153a;
  --line: #2b2860;
  --text: #ecebfa;
  --muted: #a4a2c9;
  --accent: #a58bff;
  --accent-text: #b9a6ff;
  --accent2: #b79dff;
  --btn: #6c47ff;
  --tg: #2b7de0;
  --tag-bg: rgba(165,139,255,.14);
  --frame: #2a2063;
  --nav-bg: rgba(13,11,31,.85);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.4);
  --glow: rgba(124,92,255,.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }

/* Hero ramkasi: binafsha fon ustida yumaloq oq oyna */
.hero-frame { background: var(--frame); padding: 40px 40px; transition: background .3s; }
.hero-card {
  max-width: 1200px; margin: 0 auto;
  background: var(--bg); border-radius: 32px;
  box-shadow: 0 24px 60px rgba(60,30,160,.18);
  padding: 32px 56px 72px;
  transition: background .3s;
}

/* Navigatsiya */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--nav-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.nav { position: relative; display: flex; align-items: center; gap: 16px; height: 68px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.logo { display: flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: -.3px; }
.logo i {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
  font-style: normal; font-size: 15px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--btn), #8f6cf5);
}
.nav ul { display: flex; gap: 4px; list-style: none; margin: 0 auto; }
.nav ul a {
  display: block; padding: 8px 14px; border-radius: 10px;
  color: var(--text); text-decoration: none; font-weight: 500; font-size: 15px;
  transition: color .2s, background .2s;
}
.nav ul a:hover { color: var(--accent-text); background: var(--bg-alt); }
.nav-btn {
  padding: 10px 24px; border-radius: 12px; border: 1.5px solid var(--btn);
  color: var(--accent-text); font-weight: 600; font-size: 15px; text-decoration: none;
  transition: background .2s, color .2s;
}
.nav-btn:hover { background: var(--btn); color: #fff; }
.icon-btn {
  display: grid; place-items: center; width: 42px; height: 42px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  color: var(--text); cursor: pointer; transition: border-color .2s, transform .15s;
}
.icon-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.icon-btn:focus-visible, .btn:focus-visible, .nav a:focus-visible { outline: 3px solid var(--accent2); outline-offset: 2px; }
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-moon { display: block; }
.icon-sun { display: none; }
:root[data-theme="dark"] .icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: block; }
.menu-btn { display: none; }

/* Hero */
.hero { display: grid; grid-template-columns: 1fr 1.05fr; gap: 40px; align-items: center; padding-top: 32px; }
.hero h1 { font-size: clamp(38px, 5.4vw, 60px); line-height: 1.12; letter-spacing: -1.5px; font-weight: 800; }
.hero h1 span { display: block; color: var(--accent-text); }
.about { color: var(--muted); font-size: 18px; margin-top: 24px; max-width: 440px; }
.hero-actions { margin-top: 36px; }
.hero-note { color: var(--muted); font-size: 14px; margin-top: 14px; }
.hero-img img { width: 100%; height: auto; display: block; }

/* Bo'lim sarlavhalari */
.alt { background: var(--bg-alt); }
.eyebrow {
  display: block; margin-bottom: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-text);
}
h2 { font-size: clamp(30px, 4.5vw, 42px); line-height: 1.15; letter-spacing: -1px; margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 18px; margin-bottom: 44px; max-width: 540px; }

/* Kartochkalar */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  box-shadow: var(--shadow);
  transition: transform .2s, border-color .2s;
}
@media (hover: hover) {
  .card:hover { transform: translateY(-3px); border-color: var(--accent); }
}
.card .ico {
  display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 20px;
  border-radius: 14px; font-size: 24px;
  background: linear-gradient(135deg, rgba(124,92,255,.2), rgba(79,216,245,.2));
}
.card h3 { font-size: 20px; letter-spacing: -.3px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 16px; }
.tag {
  display: inline-block; margin-top: 18px; padding: 4px 12px;
  border-radius: 999px; background: var(--tag-bg); color: var(--accent-text);
  font-size: 13px; font-weight: 600;
}

/* Tugmalar */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: 12px;
  font-size: 16px; font-weight: 600; text-decoration: none;
  transition: transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary, .btn.phone { background: var(--btn); color: #fff; box-shadow: 0 10px 26px rgba(91,48,240,.35); }
.btn.tg { background: var(--tg); color: #fff; box-shadow: 0 10px 26px rgba(43,125,224,.3); }

/* Ishlarim */
.work { padding: 16px 16px 26px; }
.work h3, .work p { padding: 0 10px; }
.thumb {
  display: grid; place-items: center; aspect-ratio: 16 / 10; margin-bottom: 20px;
  border-radius: 14px; border: 1px dashed var(--line);
  background: linear-gradient(135deg, rgba(124,92,255,.14), rgba(79,216,245,.14));
  color: var(--muted); font-size: 14px; font-weight: 500;
}

/* Mijozlar fikri */
.quote { position: relative; display: flex; flex-direction: column; gap: 22px; margin: 0; }
.quote blockquote { font-size: 17px; line-height: 1.6; }
.quote blockquote::before { content: "\201C"; display: block; font-size: 48px; line-height: .8; color: var(--accent-text); }
.quote figcaption { margin-top: auto; display: flex; flex-direction: column; font-size: 14px; color: var(--muted); }
.quote figcaption b { font-size: 16px; color: var(--text); }
.sample {
  position: absolute; top: 18px; right: 18px; padding: 3px 10px; border-radius: 999px;
  background: var(--tag-bg); color: var(--accent-text); font-size: 12px; font-weight: 700;
}

/* Savol-javob */
.faq { display: grid; gap: 12px; max-width: 760px; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  transition: border-color .2s;
}
.faq details[open], .faq details:hover { border-color: var(--accent); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px; cursor: pointer; list-style: none;
  font-size: 17px; font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; font-weight: 400; color: var(--accent-text); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:focus-visible { outline: 3px solid var(--accent2); outline-offset: 2px; border-radius: 16px; }
.faq details p { padding: 0 24px 22px; color: var(--muted); }

/* Aloqa */
.contact .box {
  text-align: center; padding: 64px 24px;
  border-radius: 28px; border: 1px solid var(--line);
  background:
    radial-gradient(500px 260px at 50% 0%, var(--glow), transparent 70%),
    var(--card);
  box-shadow: var(--shadow);
}
.contact .lead { margin: 0 auto 32px; }
.contacts { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.contact-note { color: var(--muted); margin-top: 26px; font-size: 17px; }

footer { text-align: center; color: var(--muted); font-size: 14px; padding: 8px 0 44px; }

/* Planshet va telefon */
@media (max-width: 900px) {
  .hero-frame { padding: 16px; }
  .nav { padding: 0 16px; }
  .hero-card { padding: 24px 24px 48px; border-radius: 24px; }
  .nav { height: 64px; }
  .menu-btn { display: grid; }
  .nav ul {
    display: none; position: absolute; top: 64px; left: 16px; right: 16px; z-index: 5;
    flex-direction: column; gap: 0; padding: 8px 12px 12px; margin: 0;
    background: var(--card); border: 1px solid var(--line); border-radius: 16px;
    box-shadow: var(--shadow);
  }
  .nav ul.open { display: flex; }
  .nav ul a { padding: 14px 12px; }
  .nav-btn { margin-left: auto; }
  .hero { grid-template-columns: 1fr; gap: 24px; padding-top: 16px; }
  .hero-img { order: -1; }
  section { padding: 64px 0; }
  .contact .box { padding: 48px 20px; }
}
@media (max-width: 520px) {
  .contacts .btn { width: 100%; padding: 15px 16px; font-size: 15px; }
  .nav-btn { display: none; }
  .nav .icon-btn:first-of-type { margin-left: auto; }
}

/* Animatsiyalar (yengil va tez) */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.hero > div:first-child { animation: rise .5s ease-out both; }
.hero-img { animation: rise .6s .1s ease-out both; }

.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .4s ease-out, transform .4s ease-out; }
.js .reveal.in { opacity: 1; transform: none; }

/* Savol-javob: yumshoq ochilish (qo'llab-quvvatlamaydigan brauzerda darrov ochiladi) */
@supports selector(::details-content) {
  .faq details { interpolate-size: allow-keywords; }
  .faq details::details-content { block-size: 0; overflow: clip; transition: block-size .25s ease, content-visibility .25s allow-discrete; }
  .faq details[open]::details-content { block-size: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .hero > div:first-child, .hero-img { animation: none; }
  .js .reveal { opacity: 1; transform: none; }
  * { transition: none !important; scroll-behavior: auto !important; }
}