/* ============================================================
   ЛингваПуть — стили
   Палитра:  индиго #3A56E4 · коралл #FF6A4D · мята #15C39A
   Шрифты:   Unbounded (дисплейный) + Manrope (текст)
   ============================================================ */

:root{
  --ink:#15233B;
  --ink-soft:#46577A;
  --brand:#3A56E4;
  --brand-dk:#2840c0;
  --coral:#FF6A4D;
  --mint:#15C39A;
  --sun:#FFB42E;
  --surface:#F4F7FD;
  --surface-2:#E9EEFA;
  --white:#ffffff;
  --line:#E2E8F4;
  --radius:20px;
  --radius-sm:14px;
  --maxw:1180px;
  --shadow-sm:0 2px 8px rgba(21,35,59,.06);
  --shadow:0 18px 40px -18px rgba(21,35,59,.28);
  --shadow-lg:0 30px 70px -30px rgba(58,86,228,.45);
  --ff-display:"Unbounded", "Manrope", system-ui, sans-serif;
  --ff-body:"Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* --- утилиты --------------------------------------------------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.center{text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--coral);border-radius:2px}
.eyebrow.center{justify-content:center}
h1,h2,h3,h4{font-family:var(--ff-display);line-height:1.1;font-weight:700;letter-spacing:-.01em}
.h-section{font-size:clamp(1.8rem,3.6vw,2.7rem);margin:14px 0 14px}
.lead{font-size:1.06rem;color:var(--ink-soft);max-width:620px}
.lead.center{margin-left:auto;margin-right:auto}

/* --- кнопки ---------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--ff-body);font-weight:700;font-size:.98rem;
  padding:14px 26px;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--coral);color:#fff;box-shadow:0 12px 24px -10px rgba(255,106,77,.7)}
.btn--primary:hover{background:#ff5638;box-shadow:0 16px 30px -10px rgba(255,106,77,.8)}
.btn--brand{background:var(--brand);color:#fff;box-shadow:0 12px 24px -10px rgba(58,86,228,.7)}
.btn--brand:hover{background:var(--brand-dk)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--light{background:#fff;color:var(--brand)}
.btn--light:hover{background:#f0f3ff}
.btn--block{width:100%}

/* --- бейджи ---------------------------------------------------- */
.tag{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;
  padding:5px 11px;border-radius:999px;background:var(--surface-2);color:var(--brand)}
.tag--level{background:#eafaf5;color:#0c9b7a}
.tag--format{background:#fff3e9;color:#d9612f}
.rating{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--ink)}
.rating .star{color:var(--sun)}

/* ============================================================
   ШАПКА
   ============================================================ */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--ff-display);
  font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--ink)}
.brand__mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--coral));color:#fff;
  font-size:1.05rem;transform:rotate(-6deg);box-shadow:0 6px 14px -6px rgba(58,86,228,.8)}
.brand b{color:var(--brand)}
.nav__links{display:flex;gap:26px;margin-left:8px}
.nav__links a{font-weight:600;font-size:.96rem;color:var(--ink-soft);transition:color .15s}
.nav__links a:hover,.nav__links a.is-active{color:var(--ink)}
.nav__actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav__login{font-weight:700;color:var(--ink)}
.nav__login:hover{color:var(--brand)}
.burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;
  border-radius:10px;align-items:center;justify-content:center}
.burger span{display:block;width:22px;height:2px;background:var(--ink);position:relative;transition:.2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--ink);transition:.2s}
.burger span::before{top:-7px}.burger span::after{top:7px}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden;background:
   radial-gradient(1100px 600px at 88% -10%, #eef1ff 0%, transparent 60%),
   radial-gradient(900px 500px at -5% 110%, #fff1ec 0%, transparent 55%),
   var(--white)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:72px 0 86px}
.hero h1{font-size:clamp(2.3rem,5vw,3.7rem);letter-spacing:-.03em}
.hero h1 .hl{color:var(--brand);position:relative;white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.18em;
  background:rgba(255,180,46,.55);border-radius:3px;z-index:-1}
.hero__sub{margin:22px 0 30px;font-size:1.12rem;color:var(--ink-soft);max-width:520px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__note{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--ink-soft);margin-top:18px}
.hero__note .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(21,195,154,.18)}
.hero__stats{display:flex;gap:34px;margin-top:40px;flex-wrap:wrap}
.hero__stat .num{font-family:var(--ff-display);font-weight:800;font-size:1.7rem;color:var(--ink)}
.hero__stat .lbl{font-size:.82rem;color:var(--ink-soft);max-width:130px}

/* hero — фирменная карточка приветствий (signature) */
.greet-card{position:relative;background:#fff;border:1px solid var(--line);
  border-radius:28px;box-shadow:var(--shadow-lg);padding:34px;overflow:hidden}
.greet-card::before{content:"";position:absolute;inset:0;
  background:radial-gradient(420px 200px at 80% 0,rgba(58,86,228,.07),transparent 70%)}
.greet-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;position:relative}
.greet-card__live{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;font-weight:700;
  color:var(--mint);background:#eafaf5;padding:5px 12px;border-radius:999px}
.greet-card__live .pulse{width:8px;height:8px;border-radius:50%;background:var(--mint);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(21,195,154,.5)}70%{box-shadow:0 0 0 9px rgba(21,195,154,0)}100%{box-shadow:0 0 0 0 rgba(21,195,154,0)}}
.greet-card__avatar{display:flex;align-items:center;gap:-10px}
.greet-stack{position:relative;min-height:128px;display:flex;align-items:center;justify-content:center;text-align:center}
.greet-item{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  opacity:0;transform:translateY(14px) scale(.96);transition:opacity .5s ease, transform .5s ease}
.greet-item.is-on{opacity:1;transform:none}
.greet-item .flag{font-size:2.6rem;line-height:1}
.greet-item .word{font-family:var(--ff-display);font-weight:800;font-size:2.6rem;margin-top:8px;color:var(--ink);letter-spacing:-.02em}
.greet-item .lang{margin-top:4px;font-weight:700;color:var(--brand);font-size:.95rem}
.greet-card__bar{margin-top:26px;height:6px;border-radius:999px;background:var(--surface-2);overflow:hidden;position:relative}
.greet-card__bar i{position:absolute;left:0;top:0;height:100%;width:30%;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--coral));animation:slide 8s linear infinite}
@keyframes slide{0%{left:-30%}100%{left:100%}}
.greet-card__foot{display:flex;align-items:center;gap:12px;margin-top:22px}
.greet-card__foot .ava{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-size:.8rem;font-weight:800;color:#fff;border:2px solid #fff;margin-left:-10px}
.greet-card__foot .ava:first-child{margin-left:0}
.greet-card__foot .txt{font-size:.86rem;color:var(--ink-soft)}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  border-radius:14px;padding:9px 14px;font-weight:700;font-size:.9rem;display:flex;align-items:center;gap:8px;z-index:3}
.float-chip--1{top:6%;left:-28px;animation:bob 5s ease-in-out infinite}
.float-chip--2{bottom:14%;right:-26px;animation:bob 6s ease-in-out infinite .5s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* лента-доверие под hero */
.trustbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.trustbar__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:20px 0}
.trustbar p{font-weight:700;color:var(--ink-soft);font-size:.92rem}
.trustbar .stars{color:var(--sun);font-size:1.1rem;letter-spacing:2px}

/* ============================================================
   ЯЗЫКИ
   ============================================================ */
.lang-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.lang-card{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:#fff;transition:transform .18s, box-shadow .2s, border-color .2s}
.lang-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.lang-card .flag{font-size:1.9rem}
.lang-card .name{font-weight:800;font-size:1.02rem}
.lang-card .meta{font-size:.82rem;color:var(--ink-soft)}
.lang-card .arrow{margin-left:auto;color:var(--brand);font-weight:800;opacity:0;transform:translateX(-6px);transition:.2s}
.lang-card:hover .arrow{opacity:1;transform:none}

/* ============================================================
   КАК ЭТО РАБОТАЕТ
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:42px}
.step{position:relative;padding:28px 22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.step__n{font-family:var(--ff-display);font-weight:800;font-size:1.1rem;color:#fff;
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-dk));box-shadow:0 10px 20px -10px rgba(58,86,228,.8)}
.step h3{font-size:1.12rem;margin:18px 0 8px}
.step p{color:var(--ink-soft);font-size:.94rem}
.step:not(:last-child)::after{content:"→";position:absolute;top:40px;right:-15px;color:var(--line);font-weight:800;font-size:1.2rem}

/* ============================================================
   КУРСЫ
   ============================================================ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.filter{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 36px}
.filter a{padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-weight:700;font-size:.9rem;color:var(--ink-soft);transition:.18s}
.filter a:hover{border-color:var(--brand);color:var(--brand)}
.filter a.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}

.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;overflow:hidden;transition:transform .18s, box-shadow .22s}
.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.course-card__top{padding:20px 22px 0;position:relative;height:118px;
  background:linear-gradient(135deg,var(--c1,#3A56E4),var(--c2,#2840c0));color:#fff}
.course-card__flag{font-size:2.4rem}
.course-card__lang{position:absolute;top:18px;right:20px;font-size:.78rem;font-weight:800;
  background:rgba(255,255,255,.2);padding:5px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.course-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.course-card__tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.course-card h3{font-size:1.2rem;margin-bottom:8px}
.course-card .desc{color:var(--ink-soft);font-size:.92rem;flex:1}
.course-card__meta{display:flex;gap:16px;font-size:.84rem;color:var(--ink-soft);margin:16px 0 14px;flex-wrap:wrap}
.course-card__meta b{color:var(--ink)}
.course-card__foot{display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:16px;margin-top:auto}
.price{font-family:var(--ff-display);font-weight:800;font-size:1.25rem;color:var(--ink)}
.price small{font-family:var(--ff-body);font-weight:600;font-size:.78rem;color:var(--ink-soft)}

/* ============================================================
   ПРЕИМУЩЕСТВА
   ============================================================ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
.feature{padding:28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:.2s}
.feature:hover{border-color:transparent;box-shadow:var(--shadow)}
.feature__ic{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--surface-2);color:var(--brand)}
.feature__ic svg{width:26px;height:26px}
.feature h3{font-size:1.15rem;margin-bottom:8px}
.feature p{color:var(--ink-soft);font-size:.94rem}

/* ============================================================
   ПРЕПОДАВАТЕЛИ
   ============================================================ */
.teacher-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.teacher-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:26px;
  transition:transform .18s, box-shadow .22s;display:flex;flex-direction:column}
.teacher-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.teacher-card__head{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.avatar{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;color:#fff;
  font-family:var(--ff-display);font-weight:800;font-size:1.3rem;flex:none}
.teacher-card__name{font-family:var(--ff-display);font-weight:700;font-size:1.15rem}
.teacher-card__country{font-size:.86rem;color:var(--ink-soft)}
.teacher-card__specs{display:flex;flex-wrap:wrap;gap:7px;margin:6px 0 16px}
.teacher-card__about{color:var(--ink-soft);font-size:.92rem;flex:1}
.teacher-card__foot{display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:16px;margin-top:18px}
.teacher-card__stat{font-size:.84rem;color:var(--ink-soft)}
.teacher-card__stat b{color:var(--ink)}

/* ============================================================
   ОТЗЫВЫ
   ============================================================ */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:42px}
.review{padding:28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);position:relative}
.review__quote{font-family:var(--ff-display);font-size:3rem;line-height:.6;color:var(--surface-2);position:absolute;top:22px;right:24px}
.review__stars{color:var(--sun);letter-spacing:2px;margin-bottom:12px}
.review__text{color:var(--ink);font-size:1rem;margin-bottom:18px}
.review__who{display:flex;align-items:center;gap:12px}
.review__who .avatar{width:46px;height:46px;border-radius:13px;font-size:1rem}
.review__name{font-weight:800}
.review__ctx{font-size:.82rem;color:var(--ink-soft)}

/* ============================================================
   CTA-ПОЛОСА
   ============================================================ */
.cta-band{position:relative;overflow:hidden;border-radius:30px;padding:56px;color:#fff;
  background:linear-gradient(120deg,var(--brand) 0%,#4b39d8 55%,var(--coral) 130%);box-shadow:var(--shadow-lg)}
.cta-band::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.12);top:-120px;right:-60px}
.cta-band__grid{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.7rem,3.4vw,2.4rem);max-width:560px}
.cta-band p{color:rgba(255,255,255,.9);margin-top:12px;max-width:520px}

/* ============================================================
   ПОДВАЛ
   ============================================================ */
.footer{background:var(--ink);color:#c8d2e6;padding:64px 0 30px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer .brand{color:#fff;margin-bottom:14px}
.footer__about{font-size:.92rem;color:#9aa9c6;max-width:300px}
.footer h4{font-family:var(--ff-body);color:#fff;font-size:.95rem;margin-bottom:14px;font-weight:800}
.footer a{display:block;padding:5px 0;color:#9aa9c6;font-size:.92rem;transition:color .15s}
.footer a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#8395b5}

/* ============================================================
   ВНУТРЕННИЕ СТРАНИЦЫ
   ============================================================ */
.page-hero{background:
   radial-gradient(800px 400px at 90% -20%, #eef1ff, transparent 60%),var(--surface);
   padding:54px 0;border-bottom:1px solid var(--line)}
.crumbs{font-size:.85rem;color:var(--ink-soft);margin-bottom:14px}
.crumbs a:hover{color:var(--brand)}
.page-hero h1{font-size:clamp(2rem,4.4vw,3rem)}
.page-hero .lead{margin-top:14px}

/* деталь курса / преподавателя */
.detail{display:grid;grid-template-columns:1.7fr 1fr;gap:40px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.panel + .panel{margin-top:22px}
.checklist li{display:flex;gap:12px;padding:9px 0;color:var(--ink)}
.checklist li::before{content:"✓";color:#fff;background:var(--mint);width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:.75rem;font-weight:800;flex:none;margin-top:2px}
.sidecard{position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow)}
.sidecard .price{font-size:2rem;display:block;margin-bottom:4px}
.sidecard__row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.sidecard__row:last-of-type{border-bottom:0}
.sidecard__row span{color:var(--ink-soft)}
.sidecard__row b{color:var(--ink)}

/* тарифы */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px;position:relative}
.plan--hl{border:2px solid var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-8px)}
.plan__badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--coral);color:#fff;
  font-size:.74rem;font-weight:800;padding:5px 14px;border-radius:999px;letter-spacing:.04em}
.plan h3{font-size:1.3rem}
.plan__price{font-family:var(--ff-display);font-weight:800;font-size:2.2rem;margin:14px 0 2px}
.plan__price small{font-family:var(--ff-body);font-weight:600;font-size:.85rem;color:var(--ink-soft)}
.plan__desc{color:var(--ink-soft);font-size:.92rem;margin-bottom:18px;min-height:42px}
.plan__features{margin-bottom:22px}
.plan__features li{display:flex;gap:10px;padding:7px 0;font-size:.92rem}
.plan__features li::before{content:"✓";color:var(--mint);font-weight:800}

/* FAQ */
.faq{max-width:780px;margin:42px auto 0}
.faq__item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;margin-bottom:12px;overflow:hidden}
.faq__q{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:20px 24px;
  font-family:var(--ff-body);font-weight:700;font-size:1.02rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq__q .pm{color:var(--brand);font-size:1.4rem;transition:transform .2s;flex:none}
.faq__item.is-open .pm{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-soft)}
.faq__a p{padding:0 24px 20px}

/* форма контактов */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;
  font-family:var(--ff-body);font-size:.96rem;color:var(--ink);background:#fff;transition:border-color .15s, box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(58,86,228,.12)}
.field textarea{resize:vertical;min-height:110px}
.contact-info li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-info .ic{width:44px;height:44px;border-radius:13px;background:var(--surface-2);color:var(--brand);
  display:grid;place-items:center;flex:none}
.contact-info b{display:block}
.contact-info span{color:var(--ink-soft);font-size:.92rem}

/* flash */
.flash{display:flex;gap:12px;align-items:flex-start;background:#eafaf5;border:1px solid #b6ecd9;
  color:#0c7a5e;padding:16px 18px;border-radius:14px;margin-bottom:24px;font-weight:600}
.flash .ic{flex:none}

/* 404 */
.nf{min-height:54vh;display:grid;place-items:center;text-align:center;padding:60px 0}
.nf__code{font-family:var(--ff-display);font-weight:800;font-size:7rem;line-height:1;
  background:linear-gradient(135deg,var(--brand),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}

/* reveal-анимация (прогрессивное улучшение: скрываем только если активен JS) */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease, transform .6s ease}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   АДАПТИВ: РЕЖИМ МОБИЛЬНОГО ПРИЛОЖЕНИЯ
   ============================================================ */
/* 1. Глобальный запрет на горизонтальный скролл и вылезающие за экран рамки */
html, body {
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100vw;
    margin: 0;
    padding: 0;
    /* Запрет для iOS Safari самовольно увеличивать шрифты при повороте экрана */
    -webkit-text-size-adjust: 100%; 
}

/* 2. Заставляем все элементы учитывать свои внутренние отступы, чтобы не распирать экран */
*, *::before, *::after {
    box-sizing: border-box;
}

/* 3. Фикс для iPhone: запрещаем зум при клике на формы ввода */
input, textarea, select {
    font-size: 16px !important; 
}
@media screen and (max-width: 768px) {
    /* 1. Жестко убиваем горизонтальную прокрутку и белые рамки */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100vw !important;
        margin: 0 !important;
        padding: 0 !important;
        position: relative;
    }

    * {
        box-sizing: border-box !important;
    }

    /* Ограничиваем все контейнеры экраном телефона */
    .wrap, .section {
        width: 100% !important;
        max-width: 100vw !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        overflow-x: hidden !important;
    }

    /* 2. Идеальная шапка (Логотип слева, Бургер справа) */
    .nav__inner {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        padding: 15px 0 !important;
    }
    
    /* Скрываем кнопки в шапке */
    .nav__actions, .nav__login {
        display: none !important; 
    }
    
    .burger {
        display: flex !important;
        margin: 0 !important;
    }

    /* 3. Главный экран (Hero) */
    .hero__grid {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 30px !important;
    }

    /* Уменьшаем заголовок и заставляем переноситься */
    h1, .hero__title {
        font-size: 32px !important;
        line-height: 1.2 !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Кнопки выстраиваем друг под друга на всю ширину */
    .hero__actions {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 15px !important;
    }
    .hero__actions .btn, .hero__actions a {
        width: 100% !important;
        margin: 0 !important;
        text-align: center !important;
        justify-content: center !important;
    }

    /* Статистика в колонку */
    .hero__stats {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 20px !important;
        width: 100% !important;
    }

    /* 4. Все остальные сетки превращаем в одну колонку */
    .lang-grid, .feature-grid, .course-grid, .teacher-grid, .steps, .footer__grid {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 25px !important;
    }

    /* Мобильное меню (Выпадашка) */
    .nav.is-open .nav__links {
        display: flex !important;
        position: absolute !important;
        top: 70px !important;
        left: 0 !important;
        right: 0 !important;
        flex-direction: column !important;
        background: #fff !important;
        padding: 20px !important;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
        z-index: 100 !important;
    }
    .nav.is-open .nav__links a {
        padding: 12px 0 !important;
        border-bottom: 1px solid #f0f0f0 !important;
    }
}