/* ============================================================
   PRIME SCHOOL — современная дизайн-система
   ============================================================ */
:root {
  --navy: #0d2440;
  --navy-800: #133154;
  --navy-700: #1b3f6b;
  --gold: #f2b32c;
  --gold-dark: #d99a10;
  --teal: #0e9f8a;
  --ink: #1c2733;
  --muted: #5b6b7c;
  --line: #e6ebf1;
  --bg: #ffffff;
  --bg-soft: #f5f8fb;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(13, 36, 64, .08);
  --shadow-lg: 0 24px 60px rgba(13, 36, 64, .14);
  --font-display: 'Rubik', 'Nunito', sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.25; margin: 0 0 .5em; color: var(--navy); }
p { margin: 0 0 1em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: linear-gradient(150deg, var(--navy) 0%, var(--navy-700) 100%); color: #dfe8f2; }
.section--navy h2, .section--navy h3 { color: #fff; }

/* Заголовки секций */
.sec-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.sec-head--left { margin: 0 0 40px; text-align: left; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold); border-radius: 2px; }
.sec-head h2 { font-size: clamp(26px, 3.6vw, 38px); }
.sec-head p { color: var(--muted); font-size: 17px; }
.section--navy .sec-head p { color: #b9c9db; }

/* Кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 15.5px/1 var(--font-body); letter-spacing: .01em;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--gold { background: var(--gold); color: var(--navy); box-shadow: 0 10px 24px rgba(242, 179, 44, .35); }
.btn--gold:hover { background: #ffc63f; }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.45); }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-700); }
.btn--wa { background: #25d366; color: #fff; box-shadow: 0 10px 24px rgba(37, 211, 102, .35); }

/* ============ PRELOADER ============ */
#preloader {
  position: fixed; inset: 0; z-index: 999;
  background: linear-gradient(160deg, #0b1f38 0%, #133154 60%, #1b4370 100%);
  display: grid; place-items: center;
  transition: opacity .55s ease, visibility .55s ease;
}
#preloader.done { opacity: 0; visibility: hidden; }
.pre-box { position: relative; width: 130px; height: 130px; display: grid; place-items: center; }
.pre-p {
  font: 700 72px/1 var(--font-display);
  color: var(--gold);
  animation: pre-beat 1.2s ease-in-out infinite;
  text-shadow: 0 8px 30px rgba(242, 179, 44, .35);
}
.pre-ring, .pre-ring--2 {
  position: absolute; inset: 0; border-radius: 50%;
  border: 3px solid transparent;
}
.pre-ring {
  border-top-color: var(--gold); border-right-color: var(--gold);
  animation: pre-spin 1.1s linear infinite;
}
.pre-ring--2 {
  inset: 12px;
  border-bottom-color: rgba(255,255,255,.35);
  animation: pre-spin 1.6s linear infinite reverse;
}
.pre-label {
  position: absolute; left: 50%; transform: translateX(-50%);
  bottom: -46px; white-space: nowrap;
  color: #b9c9db; font: 700 12px var(--font-body);
  letter-spacing: .3em; text-transform: uppercase;
}
@keyframes pre-beat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.22); }
}
@keyframes pre-spin {
  to { transform: rotate(360deg); }
}

/* ============ TOPBAR + HEADER ============ */
.topbar { background: var(--navy); color: #b9c9db; font-size: 13.5px; }
.topbar__in { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 9px; padding-bottom: 9px; flex-wrap: wrap; }
.topbar a:hover { color: var(--gold); }
.topbar__contacts { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar__langs { display: flex; gap: 4px; }
.topbar__langs a { padding: 2px 9px; border-radius: 6px; font-weight: 700; }
.topbar__langs a.active { background: var(--gold); color: var(--navy); }

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 48px; height: 48px; flex: none; display: block;
  filter: drop-shadow(0 6px 14px rgba(13,36,64,.3));
  transition: transform .3s;
}
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.06); }
.brand__name { font: 700 19px/1.1 var(--font-display); color: var(--navy); letter-spacing: .02em; }
.brand__sub { font-size: 11.5px; color: var(--muted); letter-spacing: .12em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 10px 15px; border-radius: 10px; font-weight: 600; font-size: 15px; color: var(--ink);
  transition: background .15s, color .15s;
}
.nav a:hover, .nav a.active { background: var(--bg-soft); color: var(--navy); }
.header__cta { display: flex; align-items: center; gap: 12px; }
.header__phone { font-weight: 800; color: var(--navy); font-size: 15.5px; white-space: nowrap; }
.header__phone small { display: block; font-weight: 600; color: var(--muted); font-size: 11.5px; }

.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 24px; height: 2.5px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ============ HERO ============ */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(9, 26, 47, .93) 0%, rgba(13, 36, 64, .78) 45%, rgba(13, 36, 64, .35) 100%);
}
.hero__in { position: relative; padding-top: 110px; padding-bottom: 130px; max-width: 700px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px; padding: 7px 16px; font-size: 13.5px; font-weight: 700; margin-bottom: 24px;
  backdrop-filter: blur(6px);
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.hero h1 { color: #fff; font-size: clamp(32px, 5vw, 54px); margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p { font-size: 18.5px; color: #d5e0ec; max-width: 560px; margin-bottom: 34px; }
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__strip {
  position: relative; display: flex; flex-wrap: wrap; gap: 10px 36px;
  margin-top: 56px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.18);
  font-size: 14.5px; color: #c7d5e4; font-weight: 600;
}
.hero__strip b { color: var(--gold); font-family: var(--font-display); font-size: 17px; margin-right: 6px; }

/* ============ QUICK CARDS ============ */
.quick { position: relative; z-index: 5; margin-top: -58px; }
.quick__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.quick__card {
  background: #fff; border-radius: var(--radius); padding: 26px 24px;
  box-shadow: var(--shadow); border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s;
}
.quick__card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.quick__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(140deg, #fff6e3, #ffedc2); color: var(--gold-dark); font-size: 24px; margin-bottom: 16px;
}
.quick__card h3 { font-size: 17px; margin-bottom: 6px; }
.quick__card p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ============ ABOUT ============ */
.about { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.about__imgs { position: relative; }
.about__imgs img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.about__img2 {
  position: absolute; right: -26px; bottom: -34px; width: 46%;
  border: 6px solid #fff; border-radius: var(--radius);
}
.about__years {
  position: absolute; left: -20px; top: -20px;
  background: var(--gold); color: var(--navy); border-radius: 16px;
  padding: 16px 20px; text-align: center; box-shadow: var(--shadow-lg);
}
.about__years b { display: block; font: 700 30px/1 var(--font-display); }
.about__years span { font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.about h2 { font-size: clamp(26px, 3.4vw, 36px); }
.about__points { display: grid; gap: 14px; margin: 26px 0 30px; }
.about__point { display: flex; gap: 14px; align-items: flex-start; }
.about__point .tick {
  flex: none; width: 26px; height: 26px; margin-top: 2px; border-radius: 50%;
  background: rgba(14,159,138,.12); color: var(--teal);
  display: grid; place-items: center; font-size: 13px; font-weight: 800;
}
.about__point b { color: var(--navy); }
.about__point p { margin: 2px 0 0; color: var(--muted); font-size: 15px; }

/* ============ PROGRAMS ============ */
.programs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.program {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.program:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.program__img { height: 210px; overflow: hidden; }
.program__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.program:hover .program__img img { transform: scale(1.06); }
.program__tag {
  position: absolute; top: 16px; left: 16px;
  background: var(--gold); color: var(--navy); font-size: 12px; font-weight: 800;
  padding: 6px 13px; border-radius: 999px; letter-spacing: .05em; text-transform: uppercase;
}
.program__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.program__body h3 { font-size: 19px; }
.program__body p { color: var(--muted); font-size: 15px; flex: 1; }
.program__meta { display: flex; gap: 16px; font-size: 13.5px; font-weight: 700; color: var(--navy); margin-top: 8px; }
.program__meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ============ STATS ============ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat b { display: block; font: 700 clamp(34px, 4vw, 48px)/1.1 var(--font-display); color: var(--gold); }
.stat span { font-size: 15px; color: #b9c9db; font-weight: 600; }

/* ============ TEACHERS ============ */
.teachers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.teacher {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
}
.teacher:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.teacher__img { aspect-ratio: 1 / 1.05; overflow: hidden; background: var(--bg-soft); }
.teacher__img img { width: 100%; height: 100%; object-fit: cover; }
.teacher__ph {
  width: 100%; height: 100%; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--navy) 10%, var(--navy-700));
  color: var(--gold); font: 600 44px/1 var(--font-display); letter-spacing: .03em;
}
.teacher__body { padding: 16px 18px 18px; }
.teacher__body h3 { font-size: 15.5px; margin-bottom: 3px; }
.teacher__body p { margin: 0; font-size: 13.5px; color: var(--teal); font-weight: 700; }

/* ============ ADMISSION STEPS ============ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative; background: #fff; border-radius: var(--radius);
  border: 1px solid var(--line); padding: 30px 24px 26px; box-shadow: var(--shadow);
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  display: block; font: 700 15px/1 var(--font-display); color: var(--navy);
  width: 46px; height: 46px; border-radius: 50%; background: var(--gold);
  display: grid; place-items: center; margin-bottom: 18px;
}
.step h3 { font-size: 17px; }
.step p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ============ TESTIMONIALS ============ */
.tsl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tsl {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius); padding: 28px; backdrop-filter: blur(4px);
}
.tsl__score {
  display: inline-block; background: var(--gold); color: var(--navy);
  font-weight: 800; font-size: 13px; padding: 5px 13px; border-radius: 999px; margin-bottom: 16px;
}
.tsl p { color: #d5e0ec; font-size: 15.5px; }
.tsl__who { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.tsl__who img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--gold); }
.tsl__who b { color: #fff; display: block; font-size: 15px; }
.tsl__who span { font-size: 13px; color: #9fb2c6; }

/* ============ FAQ ============ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); overflow: hidden;
}
.faq summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 19px 24px; font-weight: 700; font-size: 16px; color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--bg-soft); color: var(--navy); display: grid; place-items: center;
  font-size: 19px; font-weight: 600; transition: .25s;
}
.faq details[open] summary::after { content: "–"; background: var(--gold); }
.faq details p { padding: 0 24px 20px; margin: 0; color: var(--muted); font-size: 15.5px; }

/* ============ GALLERY ============ */
.gal-filter { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.gal-filter button {
  border: 1.5px solid var(--line); background: #fff; color: var(--ink);
  padding: 9px 22px; border-radius: 999px; font: 700 14px var(--font-body); cursor: pointer; transition: .2s;
}
.gal-filter button.active, .gal-filter button:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.gal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gal-item {
  position: relative; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer;
  aspect-ratio: 4 / 3; background: var(--bg-soft); border: 0; padding: 0;
}
.gal-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.gal-item:hover img { transform: scale(1.07); }
.gal-item::after {
  content: "⤢"; position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(13,36,64,.45); color: #fff; font-size: 30px; opacity: 0; transition: .25s;
}
.gal-item:hover::after { opacity: 1; }
.gal-item.hidden { display: none; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(7, 18, 32, .92);
  display: none; place-items: center; padding: 4vmin;
}
.lightbox.open { display: grid; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 12px; box-shadow: var(--shadow-lg); }
.lightbox__close {
  position: absolute; top: 20px; right: 26px; background: none; border: 0;
  color: #fff; font-size: 38px; cursor: pointer; line-height: 1;
}

/* ============ NEWS ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .25s;
}
.news:hover { transform: translateY(-5px); }
.news__img { height: 200px; overflow: hidden; }
.news__img img { width: 100%; height: 100%; object-fit: cover; }
.news__body { padding: 22px 24px 26px; }
.news__date { font-size: 13px; font-weight: 700; color: var(--teal); }
.news__body h3 { font-size: 18px; margin: 8px 0 10px; }
.news__body p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ============ CTA / FORM ============ */
.cta-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.cta-wrap h2 { color: #fff; font-size: clamp(26px, 3.4vw, 36px); }
.cta-wrap .lead { color: #b9c9db; font-size: 17px; }
.cta-contacts { display: grid; gap: 16px; margin-top: 28px; }
.cta-contact { display: flex; align-items: center; gap: 14px; color: #dfe8f2; font-weight: 600; }
.cta-contact .ico {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255,255,255,.1); display: grid; place-items: center; font-size: 19px; color: var(--gold);
}
.cta-contact small { display: block; font-size: 12.5px; color: #8fa5bc; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }

.form-card {
  background: #fff; border-radius: 22px; padding: 36px; box-shadow: var(--shadow-lg); color: var(--ink);
}
.form-card h3 { font-size: 21px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: 14.5px; margin-bottom: 22px; }
.form-grid { display: grid; gap: 14px; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; padding: 14px 17px; border: 1.5px solid var(--line); border-radius: 12px;
  font: 500 15.5px var(--font-body); color: var(--ink); background: var(--bg-soft);
  outline: none; transition: border-color .2s, background .2s;
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--gold); background: #fff; }
.form-grid .btn { width: 100%; }
.form-note { font-size: 12.5px; color: var(--muted); text-align: center; margin: 12px 0 0; }
.form-ok { display: none; text-align: center; padding: 40px 10px; }
.form-ok .big { font-size: 52px; margin-bottom: 10px; }

/* ============ FOOTER ============ */
.footer { background: #0a1c33; color: #9fb2c6; font-size: 14.5px; }
.footer__grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 48px;
}
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .04em; }
.footer__grid ul { display: grid; gap: 10px; }
.footer a:hover { color: var(--gold); }
.footer__brand p { margin-top: 14px; max-width: 300px; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); color: #fff; font-size: 17px; transition: .2s;
}
.socials a:hover { background: var(--gold); color: var(--navy); transform: translateY(-2px); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.09); padding: 20px 0;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13.5px;
}

/* WhatsApp float */
.wa-float {
  position: fixed; right: 16px; bottom: 14px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(140deg, #2ee06f, #1fb855);
  display: grid; place-items: center;
  box-shadow: 0 12px 30px rgba(37, 211, 102, .45);
  animation: wa-pulse 2.2s infinite;
}
.wa-float::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .45);
  opacity: 0; animation: wa-blink 2.2s infinite;
}
.wa-float svg { width: 34px; height: 34px; fill: #fff; position: relative; }
.wa-float:hover { animation-play-state: paused; transform: scale(1.08); }
.wa-float:hover::before { animation-play-state: paused; }
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 12px 30px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.4); }
  55% { box-shadow: 0 12px 30px rgba(37,211,102,.45), 0 0 0 16px rgba(37,211,102,0); }
}
@keyframes wa-blink {
  0%, 40%, 62%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

/* Кнопка «наверх» */
.to-top {
  position: fixed; right: 16px; bottom: 86px; z-index: 200;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--navy); color: var(--gold);
  display: grid; place-items: center;
  box-shadow: 0 10px 24px rgba(13,36,64,.35);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .3s, transform .3s, visibility .3s, background .2s;
}
.to-top svg { width: 20px; height: 20px; stroke: currentColor; }
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--navy-700); }

/* Page banner (внутренние страницы) */
.page-banner { position: relative; color: #fff; overflow: hidden; }
.page-banner .hero__bg::after { background: linear-gradient(100deg, rgba(9,26,47,.93), rgba(13,36,64,.7)); }
.page-banner__in { position: relative; padding-top: 72px; padding-bottom: 72px; }
.page-banner h1 { color: #fff; font-size: clamp(28px, 4vw, 42px); margin: 0 0 8px; }
.page-banner p { color: #c7d5e4; margin: 0; font-weight: 600; }

/* Reveal-анимации */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1020px) {
  .quick__grid, .stats, .teachers, .steps { grid-template-columns: repeat(2, 1fr); }
  .programs, .tsl-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .about, .cta-wrap { grid-template-columns: 1fr; gap: 48px; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .gal-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  /* backdrop-filter ломает position:fixed у вложенного меню — на мобильных шапка просто белая */
  .header { backdrop-filter: none; background: #fff; }
  .nav {
    position: fixed; top: 0; right: 0; bottom: 0; left: auto;
    height: 100vh; height: 100dvh;
    width: min(320px, 85vw); z-index: 150;
    background: #fff; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 90px 24px 24px; box-shadow: -20px 0 60px rgba(13, 36, 64, .3);
    transform: translateX(105%); transition: transform .3s ease;
    overflow-y: auto;
  }
  .nav.open { transform: none; }
  /* затемнение страницы за открытым меню */
  .nav::before {
    content: ""; position: fixed; top: 0; bottom: 0; right: 100%; width: 100vw;
    background: rgba(11, 31, 56, .55);
    opacity: 0; pointer-events: none; transition: opacity .3s ease;
  }
  .nav.open::before { opacity: 1; }
  .nav a { font-size: 17px; padding: 13px 16px; }
  .burger { display: block; position: relative; z-index: 160; }
  .burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .header__phone { display: none; }
  .section { padding: 64px 0; }
  .hero__in { padding-top: 80px; padding-bottom: 110px; }
}
@media (max-width: 600px) {
  .quick__grid, .programs, .tsl-grid, .news-grid, .teachers, .steps, .stats { grid-template-columns: 1fr; }
  .stats { gap: 28px; }
  .gal-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .about__img2 { right: 0; }
  .topbar__contacts { display: none; }
  .topbar__in { justify-content: center; }
  .form-card { padding: 26px 20px; }
}