/* ---------- ПЕРЕМЕННЫЕ ---------- */
:root{
  --accent:#c2693f;
  --accent-dark:#a9542d;
  --ink:#1a1a1a;
  --muted:#6b6b6b;
  --bg:#ffffff;
  --bg-soft:#f4f3f1;
  --bg-card:#f2f1ef;
  --line:#e6e4e1;
  --radius:18px;
  --container:1200px;
}

/* ---------- БАЗА ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Montserrat',system-ui,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- КНОПКИ ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:inherit;font-weight:600;font-size:15px;cursor:pointer;
  border:none;border-radius:40px;padding:14px 30px;transition:.2s ease;
  line-height:1;
}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-dark)}
.btn--outline{background:transparent;color:var(--ink);border:2px solid var(--ink);border-radius:4px;letter-spacing:1px}
.btn--outline:hover{background:var(--ink);color:#fff}
.btn--lg{padding:17px 40px;font-size:16px}
.btn--block{width:100%}

/* ---------- ШАПКА ---------- */
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{font-weight:800;font-size:18px;letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:28px}
.nav__link{font-size:15px;font-weight:500;color:#333;transition:.2s}
.nav__link:hover{color:var(--accent)}
.nav__cta{padding:11px 24px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* ---------- HERO ---------- */
.hero{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;
  min-height:560px;background:var(--bg-soft);
}
.hero__text{padding:70px clamp(24px,5vw,90px)}
.hero__title{font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1.08;margin-bottom:26px}
.hero__subtitle{color:var(--muted);font-size:17px;max-width:440px;margin-bottom:34px}
.hero__image{height:100%;min-height:560px;display:flex;align-items:center;justify-content:center;padding:30px clamp(20px,4vw,60px)}
.hero__image img{width:auto;max-width:100%;max-height:480px;height:auto;border-radius:var(--radius);object-fit:cover;box-shadow:0 20px 45px rgba(0,0,0,.12)}

/* ---------- СЕКЦИИ ---------- */
.section{padding:90px 0}
.section__title{font-size:clamp(28px,3.2vw,42px);font-weight:800;line-height:1.12}
.section__title--center{text-align:center;margin:0 auto}
.section__lead{color:var(--muted);font-size:17px;max-width:520px;margin-top:18px}
.section__lead--center{text-align:center;margin:18px auto 0}

/* ---------- НАВЫКИ ---------- */
.skills{background:#fff}
.skills__inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.skills__head{position:sticky;top:100px}
.skills__cards{display:flex;flex-direction:column;gap:22px}
.skill-card{background:var(--bg-card);border-radius:var(--radius);padding:34px}
.skill-card__icon{
  display:flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:50%;background:var(--accent);
  color:#fff;font-size:24px;margin-bottom:18px;
}
.skill-card h3{font-size:21px;margin-bottom:10px}
.skill-card p{color:var(--muted);font-size:15.5px}

/* ---------- БЛОКИ С ФОТО ---------- */
.feature-blocks{background:#fff;padding-top:0}
.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  margin-bottom:70px;
}
.feature--reverse .feature__img{order:2}
.feature__img img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius)}
.feature__text h3{font-size:30px;font-weight:800;margin-bottom:16px}
.feature__text p{color:var(--muted);font-size:17px;max-width:420px}

/* ---------- ПОЧЕМУ ---------- */
.why{background:#fff}
.why__grid{
  display:grid;grid-template-columns:1fr 1fr;gap:30px 60px;
  max-width:880px;margin:55px auto 0;
}
.why__item{display:flex;align-items:center;gap:16px;font-size:18px;font-weight:600}
.why__check{
  flex:none;display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-size:16px;
}
.why__check--dark{background:var(--ink)}

/* ---------- ПАКЕТЫ КУРСОВ ---------- */
.courses{background:var(--bg-soft)}
.courses__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:55px;
}
.course-card{
  background:#fff;border-radius:var(--radius);padding:38px 30px;
  display:flex;flex-direction:column;text-align:center;
  box-shadow:0 18px 40px rgba(0,0,0,.05);
}
.course-card h3{font-size:23px;font-weight:800;margin-bottom:18px;min-height:56px;display:flex;align-items:center;justify-content:center}
.course-card__meta{color:var(--muted);font-size:14px;margin-bottom:18px}
.course-card__price{font-size:28px;font-weight:800;margin-bottom:20px}
.course-card__list{list-style:none;color:#444;font-size:15px;margin-bottom:26px;display:flex;flex-direction:column;gap:6px}
.course-card .btn{margin-top:auto}

/* ---------- О ПРОЕКТЕ ---------- */
.about{background:#fff}
.about__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.about__text .section__title{margin-bottom:24px}
.about__text p{color:#3a3a3a;margin-bottom:16px;font-size:16px}
.about__text ul{margin:0 0 16px 20px;color:#3a3a3a}
.about__text li{margin-bottom:8px}
.about__note{font-size:13px;color:var(--muted)}
.about__img img{width:100%;border-radius:var(--radius);object-fit:cover}

/* ---------- ОТЗЫВЫ ---------- */
.reviews{background:var(--bg-soft)}
.reviews__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;gap:20px}
.reviews__nav{display:flex;gap:14px}
.reviews__arrow{
  width:48px;height:48px;border-radius:50%;border:none;background:var(--accent);
  color:#fff;font-size:24px;cursor:pointer;transition:.2s;line-height:1;
}
.reviews__arrow:hover{background:var(--accent-dark)}
.reviews__viewport{overflow:hidden}
.reviews__track{display:flex;gap:28px;transition:transform .4s ease}
.review-card{
  flex:0 0 calc((100% - 56px)/3);background:#fff;border-radius:var(--radius);padding:32px;
}
.review-card__head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.review-card__avatar{
  flex:none;width:54px;height:54px;border-radius:50%;background:var(--accent);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.review-card__head h4{font-size:18px}
.review-card__head span{font-size:13px;color:var(--muted)}
.review-card p{color:#444;font-size:15px}

/* ---------- ПРИСОЕДИНЯЙТЕСЬ ---------- */
.join{background:#fff}
.join__inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.join__title{font-size:clamp(28px,3.2vw,42px);font-weight:800;line-height:1.12}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__head{
  width:100%;background:none;border:none;cursor:pointer;font-family:inherit;
  font-size:19px;font-weight:600;color:var(--ink);text-align:left;
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.accordion__icon{color:var(--accent);font-size:26px;transition:transform .3s;flex:none}
.accordion__item.open .accordion__icon{transform:rotate(45deg)}
.accordion__body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.accordion__body p{color:var(--muted);padding-bottom:22px;font-size:15.5px}
.join__cta{margin-top:40px}

/* ---------- КОНТАКТЫ ---------- */
.contacts{background:#fff;padding:80px 0;border-top:1px solid var(--line);text-align:center}
.contacts__title{font-size:34px;font-weight:800;margin-bottom:24px}
.contacts__phone{display:inline-block;font-size:22px;color:var(--accent);font-weight:600;margin-bottom:18px}
.contacts__address{color:var(--muted);margin-bottom:28px}
.contacts__socials{display:flex;gap:16px;justify-content:center}
.social{
  width:48px;height:48px;display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease;border-radius:12px;
}
.social img{width:100%;height:100%;display:block}
.social:hover{transform:translateY(-4px);box-shadow:0 10px 22px rgba(0,0,0,.18)}

/* ---------- ВЫБОР МЕССЕНДЖЕРА В ОКНЕ ---------- */
.soc-choice{display:flex;flex-direction:column;gap:12px}
.soc-choice__btn{
  display:flex;align-items:center;gap:16px;padding:12px 18px;
  border:1px solid var(--line);border-radius:14px;
  font-weight:600;font-size:16px;color:var(--ink);
  transition:border-color .2s ease,background .2s ease,transform .15s ease;
}
.soc-choice__btn img{width:38px;height:38px;flex:none}
.soc-choice__btn:hover{border-color:var(--accent);background:var(--bg-soft);transform:translateY(-2px)}

/* ---------- АНИМАЦИИ ПОЯВЛЕНИЯ ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
/* лёгкая каскадная задержка для групп */
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- HOVER-ПЛАВНОСТЬ ---------- */
.skill-card,.course-card,.review-card{transition:transform .3s ease,box-shadow .3s ease}
.skill-card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(0,0,0,.08)}
.course-card:hover{transform:translateY(-8px);box-shadow:0 26px 52px rgba(0,0,0,.10)}
.review-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.06)}
.skill-card__icon{transition:transform .3s ease}
.skill-card:hover .skill-card__icon{transform:scale(1.08) rotate(-4deg)}

/* плавный зум фотографий */
.feature__img,.about__img,.hero__image{overflow:hidden}
.feature__img img,.about__img img{transition:transform .6s ease}
.feature__img:hover img,.about__img:hover img{transform:scale(1.05)}

/* мягкое нажатие кнопок */
.btn{transition:.2s ease,transform .12s ease}
.btn:active{transform:scale(.97)}
.btn--accent:hover{box-shadow:0 10px 24px rgba(194,105,63,.35)}

/* ---------- МОДАЛКА ---------- */
.modal{position:fixed;inset:0;z-index:100;display:none}
.modal.open{display:block}
.modal__overlay{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.modal__box{
  position:relative;max-width:430px;margin:8vh auto 0;background:#fff;
  border-radius:var(--radius);padding:40px;animation:pop .25s ease;
}
@keyframes pop{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal__close{position:absolute;top:14px;right:18px;background:none;border:none;font-size:30px;cursor:pointer;color:#999;line-height:1}
.modal__title{font-size:24px;font-weight:800;margin-bottom:10px}
.modal__sub{color:var(--muted);font-size:15px;margin-bottom:24px}
.form{display:flex;flex-direction:column;gap:14px}
.form input{
  font-family:inherit;font-size:15px;padding:14px 16px;border:1px solid var(--line);
  border-radius:10px;outline:none;transition:.2s;
}
.form input:focus{border-color:var(--accent)}
.form__success{display:none;color:#2e9b54;font-weight:600;text-align:center}
.form.sent .form__success{display:block}

/* ---------- АДАПТИВ ---------- */
@media(max-width:980px){
  .hero{grid-template-columns:1fr}
  .hero__image{min-height:auto;order:-1;padding:24px}
  .hero__image img{max-height:340px}
  .skills__inner,.about__inner,.join__inner{grid-template-columns:1fr;gap:36px}
  .skills__head{position:static}
  .feature{grid-template-columns:1fr;gap:24px;margin-bottom:50px}
  .feature--reverse .feature__img{order:0}
  .courses__grid{grid-template-columns:repeat(2,1fr)}
  .review-card{flex-basis:calc((100% - 28px)/2)}
}
@media(max-width:680px){
  .nav{
    position:fixed;top:70px;right:0;left:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:0 24px;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav.open{max-height:400px;padding:14px 24px 22px}
  .nav__link{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav__cta{margin-top:14px}
  .burger{display:flex}
  .section{padding:60px 0}
  .why__grid{grid-template-columns:1fr;gap:20px}
  .courses__grid{grid-template-columns:1fr}
  .review-card{flex-basis:100%}
  .reviews__head{flex-direction:column;align-items:flex-start}
  .modal__box{margin:6vh 16px 0;padding:30px}
}