/* ===== База ===== */
:root{
  --bg:#ffffff;
  --bg-alt:#f7f7fb;
  --text:#14141c;
  --text-soft:#5c5c6e;
  --line:#e6e6ef;
  --accent:#4f36e0;
  --accent-soft:#eeebff;
  --accent-dark:#3b28b8;
  --green:#0f9d58;
  --radius:16px;
  --shadow:0 4px 24px rgba(20,20,40,.06);
  --shadow-lg:0 12px 40px rgba(20,20,40,.10);
  --maxw:1140px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0 0 .5em;line-height:1.2;font-weight:700;letter-spacing:-.02em}
p{margin:0 0 1em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.container--narrow{max-width:720px}

/* ===== Кнопки ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:12px 22px;border:1px solid transparent;border-radius:10px;
  font-size:15px;font-weight:600;cursor:pointer;transition:.18s ease;
  font-family:inherit;text-align:center;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(79,54,224,.25)}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 6px 20px rgba(79,54,224,.32)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--lg{padding:15px 30px;font-size:16px}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--block{width:100%}
.btn:disabled{opacity:.6;cursor:wait}

/* ===== Шапка ===== */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:19px;letter-spacing:-.03em}
.logo span{color:var(--accent)}
.nav{display:flex;align-items:center;gap:26px}
.nav > a:not(.btn){font-size:15px;color:var(--text-soft);font-weight:500}
.nav > a:not(.btn):hover{color:var(--accent)}

/* ===== Герой ===== */
.hero{padding:70px 0 60px;background:
  radial-gradient(900px 400px at 85% -10%, var(--accent-soft) 0%, transparent 70%);}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:46px;margin-bottom:20px}
.hero__sub{font-size:17px;color:var(--text-soft);max-width:560px;margin-bottom:30px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero__facts{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.hero__facts li{font-size:14px;color:var(--text-soft)}
.hero__facts b{display:block;color:var(--text);font-size:16px;font-weight:700}
.hero__photo img{
  border-radius:var(--radius);box-shadow:var(--shadow-lg);
  aspect-ratio:1;object-fit:cover;width:100%;
}

/* ===== Секции ===== */
.section{padding:72px 0}
.section--alt{background:var(--bg-alt)}
.section__title{font-size:34px;text-align:center;margin-bottom:12px}
.section__title--left{text-align:left}
.section__lead{text-align:center;color:var(--text-soft);font-size:17px;max-width:620px;margin:0 auto 46px}

/* ===== Карточки услуг ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 26px;display:flex;flex-direction:column;
  transition:.2s ease;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#d8d8e8}
.card--free{border-color:#cfe9d9;background:linear-gradient(180deg,#f6fdf9 0%,#fff 40%)}
.card--accent{border-color:var(--accent);box-shadow:0 8px 30px rgba(79,54,224,.12)}
.card__tag{
  display:inline-block;align-self:flex-start;margin-bottom:14px;padding:4px 12px;
  border-radius:100px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent-dark);
}
.card__tag--free{background:#e3f7ec;color:#0b7a45}
.card__tag--accent{background:var(--accent);color:#fff}
.card__title{font-size:21px;margin-bottom:6px}
.card__who{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:14px}
.card__desc{font-size:15px;color:var(--text-soft);margin-bottom:18px}
.card__list{margin-bottom:24px}
.card__list li{
  position:relative;padding-left:24px;margin-bottom:9px;
  font-size:14.5px;color:var(--text-soft);
}
.card__list li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);
}
.card--free .card__list li::before{background:var(--green)}
.card__price{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  margin-bottom:18px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
}
.price__value{font-size:27px;font-weight:800;letter-spacing:-.03em}
.card--accent .price__value{color:var(--accent)}
.price__note{font-size:14px;color:var(--text-soft)}

/* ===== Кейсы ===== */
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:.2s ease;
}
.case:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#d8d8e8}
.case__icon{font-size:26px;margin-bottom:14px;line-height:1}
.case__title{font-size:17px;margin-bottom:10px}
.case__desc{font-size:14.5px;color:var(--text-soft);margin-bottom:14px}
.case__meta{
  font-size:12.5px;color:var(--accent);font-weight:600;margin:0;
  letter-spacing:.01em;
}

/* ===== Обо мне ===== */
.about{display:grid;grid-template-columns:300px 1fr;gap:52px;align-items:center}
.about__photo img{
  border-radius:var(--radius);box-shadow:var(--shadow-lg);
  aspect-ratio:3/4;object-fit:cover;object-position:center 25%;width:100%;
}
.about__text p{color:var(--text-soft);font-size:16px}
.about__block{margin-top:26px}
.about__block-title{
  font-size:16px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em;
}
.about__list,.about__skills{display:grid;gap:10px}
.about__list li,.about__skills li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text-soft);
}
.about__list li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;
  border-radius:2px;background:var(--accent);
}
.about__skills li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);
}

/* ===== Форма ===== */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 32px;box-shadow:var(--shadow);margin-top:8px}
.form__row{margin-bottom:22px}
.form__label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form__opt{font-weight:400;color:var(--text-soft)}
.form__input{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;
  transition:.15s ease;
}
.form__input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,54,224,.12)}
.form__input::placeholder{color:#a0a0b0}
.form__textarea{resize:vertical;min-height:100px}
.form__channels{display:flex;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.channel{cursor:pointer}
.channel input{position:absolute;opacity:0;pointer-events:none}
.channel span{
  display:block;padding:9px 18px;border:1px solid var(--line);border-radius:100px;
  font-size:14px;font-weight:500;color:var(--text-soft);transition:.15s ease;
}
.channel input:checked + span{
  border-color:var(--accent);background:var(--accent-soft);color:var(--accent-dark);font-weight:600;
}
.channel:hover span{border-color:#c8c8dc}
.form__note{font-size:13px;color:var(--text-soft);margin:14px 0 0;text-align:center}
.form__status{
  margin-top:16px;font-size:15px;text-align:center;font-weight:600;min-height:24px;
  transition:opacity .25s ease;
}
.form__status.ok{color:var(--green)}
.form__status.err{color:#d93025}
.form__status:not(:empty){animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.btn:disabled{opacity:.75;cursor:default}

/* ===== Подвал ===== */
.footer{background:#14141c;color:#fff;padding:48px 0 26px;margin-top:0}
.footer__inner{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.footer .logo{color:#fff}
.footer__note{color:#8b8ba0;font-size:14px;margin:8px 0 0}
.footer__contacts{display:flex;gap:24px}
.footer__contacts a{color:#b8b8cc;font-size:15px;font-weight:500;transition:.15s}
.footer__contacts a:hover{color:#fff}
.footer__bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid #26262f;
  color:#6e6e85;font-size:13px;
}

/* ===== Адаптив ===== */
@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__photo{max-width:340px;order:-1}
  .hero h1{font-size:36px}
  .cards{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .about{grid-template-columns:1fr;gap:30px}
  .about__photo{max-width:240px}
}
@media (max-width:640px){
  .nav > a:not(.btn){display:none}
  .hero{padding:40px 0 44px}
  .hero h1{font-size:30px}
  .hero__sub{font-size:16px}
  .hero__facts{gap:20px}
  .section{padding:52px 0}
  .section__title{font-size:27px}
  .form{padding:26px 20px}
  .btn--lg{width:100%}
  .footer__inner{flex-direction:column}
}