/* =================================================================
   Norbek Karjovov — ona tili va adabiyot / milliy sertifikat
   Uslublar fayli. Tashqi kutubxona yoʻq, hammasi shu yerda.
   ================================================================= */

/* ---------------------------- 1. Tokenlar ------------------------ */
:root {
  --bg:          #fbf9f5;
  --bg-alt:      #f4f0e8;
  --surface:     #ffffff;
  --ink:         #131c33;
  --ink-soft:    #37415c;
  --muted:       #6b7488;
  /* Har ikki rejimda ham quyuq qoladigan blok foni (--ink qorongʻi rejimda
     oqarib ketadi, shuning uchun alohida token). */
  --ink-block:   #131c33;
  --gold:        #a9801d;
  --gold-bright: #c9a227;
  --gold-soft:   #f6ecd2;
  /* Mayda matn uchun quyuqroq tilla: --gold yorugʻ fonda 3.45:1 beradi,
     bu kichik matnga yetarli emas (WCAG AA 4.5:1 talab qiladi). */
  --gold-ink:    #866411;
  --line:        #e5dfd2;
  --shadow-sm:   0 1px 2px rgba(19, 28, 51, .06), 0 2px 8px rgba(19, 28, 51, .05);
  --shadow-md:   0 4px 12px rgba(19, 28, 51, .08), 0 12px 32px rgba(19, 28, 51, .07);
  --shadow-lg:   0 18px 50px rgba(19, 28, 51, .16);

  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Times New Roman", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --wrap: 1120px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --t: .25s cubic-bezier(.4, 0, .2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #0c1120;
    --bg-alt:      #111828;
    --surface:     #151d30;
    --ink:         #eef1f7;
    --ink-soft:    #c8d0e0;
    --muted:       #939eb5;
    --ink-block:   #0a1020;
    --gold:        #e0bd63;
    --gold-bright: #efd07a;
    --gold-soft:   #2a2618;
    --gold-ink:    #e6c674;
    --line:        #263049;
    --shadow-sm:   0 1px 2px rgba(0, 0, 0, .3);
    --shadow-md:   0 4px 14px rgba(0, 0, 0, .35);
    --shadow-lg:   0 20px 54px rgba(0, 0, 0, .55);
  }
}

/* ---------------------------- 2. Asos --------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--sans);
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.18; margin: 0; }
h1 { font-size: clamp(2rem, 6.2vw, 3.35rem); letter-spacing: -.5px; }
h2 { font-size: clamp(1.6rem, 4.4vw, 2.4rem); letter-spacing: -.3px; }
h3 { font-size: 1.12rem; }
p  { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
img, svg { max-width: 100%; }
img { height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--ink); text-decoration-color: color-mix(in srgb, var(--gold) 55%, transparent); text-underline-offset: 3px; }
a:hover { color: var(--gold-ink); }

:focus-visible {
  outline: 2.5px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(18px, 5vw, 36px); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 50%; top: 6px; transform: translate(-50%, -200%);
  z-index: 200; background: var(--ink); color: #fff; padding: 10px 18px;
  border-radius: 999px; font-size: .9rem; text-decoration: none;
}
.skip-link:focus { transform: translate(-50%, 0); color: #fff; }

/* Inline ikonkalar */
.ico, .ico-sm { width: 1.15em; height: 1.15em; flex: none; }
.ico-sm { width: 1em; height: 1em; }
.ico path, .ico-sm path, .ico-sm circle { fill: currentColor; }
.ico-sm path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ico-sm circle { fill: none; stroke: currentColor; stroke-width: 2; }

/* ---------------------------- 3. Tugmalar ----------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: 13px 22px; border: 1.5px solid transparent; border-radius: 999px;
  font: 600 .97rem/1 var(--sans); text-decoration: none; cursor: pointer;
  transition: transform var(--t), box-shadow var(--t), background var(--t), border-color var(--t), color var(--t);
  white-space: nowrap;
}
.btn-lg { padding: 15px 27px; font-size: 1.02rem; }
.btn-sm { padding: 9px 17px; font-size: .9rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: #0b1224; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
@media (prefers-color-scheme: dark) {
  .btn-primary { background: var(--gold); color: #14192a; }
  .btn-primary:hover { background: var(--gold-bright); color: #14192a; }
}

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-ink); transform: translateY(-2px); }

.text-link {
  display: inline-flex; align-items: center; gap: .5em;
  font-weight: 600; color: var(--gold-ink); text-decoration: none; font-size: .97rem;
}
.text-link:hover { gap: .8em; }
.text-link, .text-link .ico-sm { transition: gap var(--t), color var(--t); }

/* ---------------------------- 4. Sarlavha ----------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), box-shadow var(--t);
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }

.brand { display: flex; align-items: center; text-decoration: none; color: var(--ink); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-family: var(--serif); font-size: 1.09rem; }
.brand-text small {
  color: var(--gold-ink); font-size: .74rem; font-weight: 600;
  letter-spacing: .07em; text-transform: uppercase;
}

.nav-toggle {
  display: grid; place-content: center; gap: 5px; width: 44px; height: 44px;
  background: none; border: 1px solid var(--line); border-radius: 11px; cursor: pointer; padding: 0 11px;
}
.nav-toggle span { display: block; height: 2px; width: 20px; background: var(--ink); border-radius: 2px; transition: transform var(--t), opacity var(--t); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: absolute; left: 0; right: 0; top: 100%;
  display: grid; gap: 2px; padding: 0 clamp(18px, 5vw, 36px);
  background: var(--bg); border-bottom: 1px solid var(--line);
  max-height: 0; overflow: hidden; visibility: hidden;
  transition: max-height var(--t), padding var(--t), visibility var(--t);
}
.site-nav.is-open { max-height: 420px; visibility: visible; padding: 10px clamp(18px, 5vw, 36px) 20px; }
.site-nav a { padding: 12px 4px; text-decoration: none; font-weight: 500; border-bottom: 1px solid var(--line); }
.site-nav a:last-child { border: 0; margin-top: 10px; justify-self: start; }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static; display: flex; align-items: center; gap: 4px;
    max-height: none; visibility: visible; overflow: visible;
    background: none; border: 0; padding: 0;
  }
  .site-nav a { padding: 9px 13px; border: 0; border-radius: 999px; font-size: .94rem; }
  .site-nav a:not(.btn):hover { background: var(--gold-soft); color: var(--gold-ink); }
  .site-nav a:last-child { margin: 0 0 0 8px; }
}

/* ---------------------------- 5. Hero --------------------------- */
.hero { position: relative; padding: clamp(40px, 7vw, 76px) 0 clamp(48px, 8vw, 88px); overflow: hidden; }
.hero-ornament {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(58% 48% at 88% -8%, color-mix(in srgb, var(--gold-bright) 20%, transparent), transparent 70%),
    radial-gradient(42% 40% at 4% 8%,  color-mix(in srgb, var(--gold-bright) 11%, transparent), transparent 70%);
}
.hero-ornament::after {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image:
    linear-gradient(color-mix(in srgb, var(--gold) 12%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--gold) 12%, transparent) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(60% 55% at 50% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(60% 55% at 50% 0%, #000, transparent 75%);
}

.hero-grid { position: relative; z-index: 1; display: grid; gap: clamp(32px, 5vw, 56px); }
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.15fr .85fr; align-items: center; }
}

.eyebrow {
  display: inline-block; margin: 0 0 14px;
  font: 600 .8rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold-ink); background: var(--gold-soft);
  padding: 8px 14px; border-radius: 999px;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.lead { margin: 20px 0 0; font-size: clamp(1.03rem, 2.4vw, 1.18rem); color: var(--ink-soft); max-width: 56ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  margin: 40px 0 0; padding: 0;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden;
}
@media (min-width: 640px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--surface); padding: 18px 14px; text-align: center; }
.stat dd { margin: 0; font: 700 clamp(1.5rem, 5vw, 1.95rem)/1 var(--serif); color: var(--gold); }
.stat dt { order: 2; margin-top: 6px; font-size: .8rem; color: var(--muted); }
.stat { display: flex; flex-direction: column; }

.hero-photo { position: relative; margin: 0; }
.hero-photo img {
  width: 100%; border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.hero-photo::before {
  content: ""; position: absolute; inset: 14px -14px -14px 14px; z-index: -1;
  border: 1.5px solid var(--gold); border-radius: var(--r-lg); opacity: .55;
}
.hero-photo figcaption {
  position: absolute; left: 14px; right: 14px; bottom: 14px;
  display: flex; flex-direction: column; gap: 2px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 12px 16px; box-shadow: var(--shadow-sm);
}
.hero-photo figcaption strong { font-family: var(--serif); font-size: 1.05rem; }
.hero-photo figcaption span { font-size: .84rem; color: var(--muted); }

/* ---------------------------- 6. Boʻlimlar ---------------------- */
.section { padding: clamp(52px, 8vw, 96px) 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

.section-head { max-width: 68ch; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head h2 { margin-bottom: 0; }
.section-sub { margin-top: 16px; color: var(--ink-soft); font-size: 1.04rem; }

/* Ustoz haqida */
.about-grid { display: grid; gap: clamp(30px, 5vw, 52px); }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.about-text p { color: var(--ink-soft); }
.about-text .text-link { margin-top: 6px; }

.feature-list { display: grid; gap: 14px; }
@media (min-width: 560px) { .feature-list { grid-template-columns: 1fr 1fr; } }
.feature-list li {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 20px; box-shadow: var(--shadow-sm); transition: transform var(--t), box-shadow var(--t);
}
.feature-list li:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-ico {
  display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 13px;
  border-radius: 11px; background: var(--gold-soft); color: var(--gold);
}
.feature-ico svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.feature-list h3 { margin-bottom: 7px; }
.feature-list p { font-size: .93rem; color: var(--muted); }

/* Sertifikat haqida */
.benefit-grid { display: grid; gap: 16px; }
@media (min-width: 620px) { .benefit-grid { grid-template-columns: 1fr 1fr; } }
.card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 26px 24px; box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-num {
  position: absolute; top: 10px; right: 16px;
  font: 700 2.6rem/1 var(--serif); color: var(--gold); opacity: .16;
}
.card h3 { margin-bottom: 9px; padding-right: 46px; font-size: 1.16rem; }
.card p { font-size: .96rem; color: var(--ink-soft); }

.levels { margin-top: clamp(30px, 5vw, 48px); }
.levels-title { margin-bottom: 16px; font-size: 1.3rem; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.levels-table { width: 100%; border-collapse: collapse; min-width: 460px; font-size: .96rem; }
.levels-table th, .levels-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.levels-table thead th {
  font: 600 .78rem/1 var(--sans); letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); background: var(--bg-alt);
}
.levels-table tbody tr:last-child th, .levels-table tbody tr:last-child td { border-bottom: 0; }
.levels-table tbody tr.is-top { background: color-mix(in srgb, var(--gold-soft) 55%, transparent); }
.levels-table td:last-child { color: var(--muted); }

.grade {
  display: inline-grid; place-items: center; min-width: 46px; padding: 5px 11px;
  border-radius: 8px; font: 700 .95rem/1.2 var(--sans); letter-spacing: .02em;
  background: var(--gold-soft); color: var(--gold); border: 1px solid color-mix(in srgb, var(--gold) 35%, transparent);
}
.grade-ap { background: #1f7a4d; border-color: #1f7a4d; color: #fff; }
.grade-a  { background: #2f9c63; border-color: #2f9c63; color: #fff; }
.grade-bp { background: #2563a8; border-color: #2563a8; color: #fff; }
.grade-b  { background: #4b7fc0; border-color: #4b7fc0; color: #fff; }
.grade-c  { background: var(--surface); color: var(--ink-soft); border-color: var(--line); }

.note { margin-top: 18px; font-size: .96rem; color: var(--ink-soft); }
.note-muted { font-size: .88rem; color: var(--muted); }

/* Darslar */
.topic-grid { display: grid; gap: 14px; counter-reset: mavzu; }
@media (min-width: 560px) { .topic-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 940px) { .topic-grid { grid-template-columns: repeat(4, 1fr); } }
.topic-grid li {
  position: relative; counter-increment: mavzu;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 22px 20px 20px; box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.topic-grid li:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--gold) 40%, var(--line)); }
.topic-grid li::before {
  content: counter(mavzu, decimal-leading-zero);
  display: block; margin-bottom: 10px;
  font: 600 .78rem/1 var(--sans); letter-spacing: .1em; color: var(--gold-ink);
}
.topic-grid h3 { margin-bottom: 7px; font-size: 1.04rem; }
.topic-grid p { font-size: .9rem; color: var(--muted); }

.who { display: grid; gap: 18px; margin-top: clamp(28px, 4vw, 44px); }
@media (min-width: 820px) { .who { grid-template-columns: 1.1fr .9fr; } }
.who-col {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 26px 24px; box-shadow: var(--shadow-sm);
}
.who-col h3 { margin-bottom: 14px; font-size: 1.2rem; }
.tick-list { display: grid; gap: 11px; }
.tick-list li { position: relative; padding-left: 30px; font-size: .96rem; color: var(--ink-soft); }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: .42em;
  width: 16px; height: 9px; border: 2px solid var(--gold); border-top: 0; border-right: 0;
  transform: rotate(-45deg);
}
.who-cta { background: var(--ink-block); border-color: var(--ink-block); color: #fff; }
@media (prefers-color-scheme: dark) { .who-cta { border-color: var(--line); } }
.who-cta h3 { color: #fff; }
.who-cta p { color: rgba(255, 255, 255, .78); font-size: .96rem; }
.who-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 20px; }
.who-cta .btn-primary { background: var(--gold); color: #14192a; }
.who-cta .btn-primary:hover { background: var(--gold-bright); color: #14192a; }
.who-cta .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .3); }
.who-cta .btn-ghost:hover { color: var(--gold-bright); border-color: var(--gold-bright); }

/* Natijalar */
.results-grid { display: grid; gap: 18px; }
@media (min-width: 600px) { .results-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .results-grid { grid-template-columns: repeat(3, 1fr); } }

.result-card {
  display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 20px; box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.result-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.result-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 13px; }
.result-score { text-align: right; line-height: 1.15; }
.result-score strong { display: block; font: 700 1.5rem/1 var(--serif); }
.result-score span { font-size: .74rem; color: var(--muted); }
.result-card h3 { font-size: 1.14rem; }
.result-meta { margin: 7px 0 16px; font-size: .86rem; color: var(--muted); }
.result-meta strong { color: var(--ink-soft); }

.cert-open {
  display: block; position: relative; margin-top: auto; padding: 0; width: 100%;
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--r-sm);
  cursor: zoom-in; overflow: hidden; font: inherit; color: inherit;
}
.cert-open img {
  width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: center top;
  transition: transform .4s cubic-bezier(.4, 0, .2, 1);
}
.cert-open:hover img { transform: scale(1.04); }
.cert-open-hint {
  position: absolute; inset: auto 0 0 0; padding: 22px 12px 11px;
  font: 600 .84rem/1 var(--sans); color: #fff; text-align: center;
  background: linear-gradient(transparent, rgba(10, 14, 26, .82));
}

.result-card-more { justify-content: center; align-items: flex-start; gap: 12px; background: var(--gold-soft); border-color: color-mix(in srgb, var(--gold) 30%, transparent); }
.result-card-more h3 { font-size: 1.18rem; }
.result-card-more p { font-size: .93rem; color: var(--ink-soft); margin: 0; }

/* Manzillar */
.places-grid { display: grid; gap: 16px; }
@media (min-width: 700px) { .places-grid { grid-template-columns: repeat(3, 1fr); } }
.place-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 24px; box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.place-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.place-card h3 { margin-bottom: 5px; font-size: 1.15rem; }
.place-card p { font-size: .9rem; color: var(--muted); margin-bottom: 15px; }

/* Aloqa */
.section-contact { background: var(--bg-alt); border-top: 1px solid var(--line); }
.contact-grid { display: grid; gap: 20px; }
@media (min-width: 860px) { .contact-grid { grid-template-columns: .95fr 1.05fr; align-items: start; } }

.contact-list { display: grid; gap: 12px; }
.contact-list a {
  display: flex; align-items: center; gap: 15px; text-decoration: none;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 17px 19px; box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.contact-list a:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--gold) 45%, var(--line)); }
.contact-ico {
  display: grid; place-items: center; width: 42px; height: 42px; flex: none;
  border-radius: 12px; background: var(--gold-soft); color: var(--gold);
}
.contact-ico svg { width: 21px; height: 21px; fill: currentColor; }
.contact-ico rect, .contact-ico circle { fill: none; stroke: currentColor; stroke-width: 1.9; }
.contact-list li:nth-child(4) .contact-ico svg path { fill: none; }
.contact-body { display: flex; flex-direction: column; line-height: 1.35; }
.contact-body strong { font-size: 1rem; }
.contact-body span { font-size: .89rem; color: var(--muted); }

.contact-form {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: clamp(22px, 3.5vw, 30px); box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 1.22rem; }
.form-hint { margin: 8px 0 20px; font-size: .9rem; color: var(--muted); }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 7px; font-size: .89rem; font-weight: 600; color: var(--ink-soft); }
.field label span { color: var(--gold-ink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; font: 400 1rem/1.4 var(--sans);
  color: var(--ink); background: var(--bg); border: 1.5px solid var(--line);
  border-radius: var(--r-sm); transition: border-color var(--t), box-shadow var(--t);
  -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%;
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat;
  padding-right: 42px;
}
.field textarea { resize: vertical; min-height: 88px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 22%, transparent);
}
.field input.is-invalid { border-color: #d0453b; }
.form-status { margin: 14px 0 0; font-size: .9rem; color: var(--gold-ink); min-height: 1.3em; text-align: center; }

/* ---------------------------- 7. Futer -------------------------- */
.site-footer { background: var(--ink-block); color: rgba(255, 255, 255, .72); padding: clamp(40px, 6vw, 60px) 0 30px; }
@media (prefers-color-scheme: dark) { .site-footer { border-top: 1px solid var(--line); } }
.footer-inner { display: grid; gap: 26px; justify-items: center; text-align: center; }
.footer-brand strong { display: block; color: #fff; font-family: var(--serif); font-size: 1.18rem; }
.footer-brand span { font-size: .88rem; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 22px; }
.footer-nav a { color: rgba(255, 255, 255, .76); text-decoration: none; font-size: .93rem; }
.footer-nav a:hover { color: var(--gold-bright); }
.footer-social { display: flex; gap: 11px; }
.footer-social a {
  display: grid; place-items: center; width: 44px; height: 44px;
  border: 1px solid rgba(255, 255, 255, .18); border-radius: 12px;
  color: rgba(255, 255, 255, .85); transition: border-color var(--t), color var(--t), transform var(--t);
}
.footer-social a:hover { color: var(--gold-bright); border-color: var(--gold-bright); transform: translateY(-2px); }
.footer-social svg { width: 20px; height: 20px; fill: currentColor; }
.footer-social rect, .footer-social circle { fill: none; stroke: currentColor; stroke-width: 1.9; }
.footer-social a:nth-child(2) svg path { fill: none; }
.footer-copy { margin: 0; font-size: .84rem; color: rgba(255, 255, 255, .5); }

/* ---------------------------- 8. Lightbox ----------------------- */
.lightbox { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: clamp(12px, 3vw, 32px); }
.lightbox[hidden] { display: none; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(6, 9, 18, .86); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); animation: fade .2s ease; }
.lightbox-panel {
  position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 12px;
  max-width: min(680px, 100%); max-height: 100%; animation: pop .24s cubic-bezier(.2, .8, .3, 1);
}
.lightbox-panel img {
  max-width: 100%; max-height: calc(100vh - 130px); width: auto;
  border-radius: var(--r-sm); box-shadow: var(--shadow-lg); background: #fff;
}
.lightbox-caption { margin: 0; color: rgba(255, 255, 255, .9); font-size: .93rem; text-align: center; }
.lb-btn {
  position: absolute; z-index: 2; display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .25);
  color: #fff; transition: background var(--t), transform var(--t);
}
.lb-btn:hover { background: rgba(255, 255, 255, .3); }
.lb-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.lb-close { top: -6px; right: -6px; }
.lb-prev { left: -8px; top: 50%; transform: translateY(-50%); }
.lb-next { right: -8px; top: 50%; transform: translateY(-50%); }
@media (max-width: 760px) {
  .lb-close { top: 0; right: 0; }
  .lb-prev { left: 2px; }
  .lb-next { right: 2px; }
}
body.is-locked { overflow: hidden; }

/* ---------------------------- 9. Yuqoriga ----------------------- */
.to-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  display: grid; place-items: center; width: 46px; height: 46px;
  background: var(--ink); color: #fff; border-radius: 50%; box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity var(--t), transform var(--t), background var(--t);
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--gold); color: #14192a; }
.to-top svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
@media (prefers-color-scheme: dark) { .to-top { background: var(--gold); color: #14192a; } }

/* ---------------------------- 10. Animatsiya -------------------- */
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(.96) translateY(8px); } }

/* Faqat JS ishlaganda yashiramiz — aks holda hamma matn koʻrinib turadi */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .8, .3, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.feature-list li.reveal:nth-child(2), .topic-grid li.reveal:nth-child(2), .results-grid > .reveal:nth-child(2), .benefit-grid > .reveal:nth-child(2), .contact-list li.reveal:nth-child(2) { transition-delay: .06s; }
.feature-list li.reveal:nth-child(3), .topic-grid li.reveal:nth-child(3), .results-grid > .reveal:nth-child(3), .benefit-grid > .reveal:nth-child(3), .contact-list li.reveal:nth-child(3) { transition-delay: .12s; }
.feature-list li.reveal:nth-child(4), .topic-grid li.reveal:nth-child(4), .results-grid > .reveal:nth-child(4), .benefit-grid > .reveal:nth-child(4), .contact-list li.reveal:nth-child(4) { transition-delay: .18s; }
.topic-grid li.reveal:nth-child(n+5), .results-grid > .reveal:nth-child(n+5) { transition-delay: .1s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------------------- 11. Chop etish -------------------- */
@media print {
  .site-header, .to-top, .nav-toggle, .lightbox, .hero-ornament, .contact-form { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .section { padding: 18pt 0; }
}