/* Посадка «Создай презентацию» (sozdayprezentaciyu.ru). Дизайн 1F из ТЗ 29.10.2026: тёмно-синий первый экран, коралловая кнопка */
:root {
  --navy: #0C1626;
  --navy2: #13233B;
  --navy-line: #2A3B55;
  --navy-soft: #1C2B44;
  --sky: #8FB4FF;
  --blue: #2F5BFF;
  --coral: #F2542D;
  --coral-d: #D9431F;
  --ink: #0C1626;
  --muted: #5B6577;
  --line: #E3E7EF;
  --bg: #F4F6FA;
  --white: #FFFFFF;
  --ok: #1F9D6B;
  --star: #F2A900;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--ink); font: 400 16px/1.5 Inter, system-ui, -apple-system, sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3, .logo, .btn { font-family: Manrope, Inter, system-ui, sans-serif; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

.wrap { max-width: 1312px; margin: 0 auto; padding: 0 20px; }
section { padding: 56px 0; scroll-margin-top: 12px; }
section.tight { padding-top: 0; }
h2 { font-size: 28px; line-height: 1.15; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 22px; }
.eyebrow { display: block; font: 700 12px/1 Inter, sans-serif; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 10px; background: var(--coral); color: #fff;
  font-weight: 800; font-size: 17px; line-height: 1.2; padding: 17px 22px;
  text-decoration: none; cursor: pointer; transition: background-color 0.15s ease, transform 0.1s ease;
}
.btn:hover { background: var(--coral-d); }
.btn:active { transform: scale(0.985); }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn.ghost:hover { background: var(--bg); }

/* ---------- первый экран ---------- */
.hero { background: linear-gradient(180deg, var(--navy), var(--navy2)); color: #fff; position: relative; overflow: hidden; }
.top { border-bottom: 1px solid var(--navy-soft); }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; color: #fff; text-decoration: none; }
.logo-tile { width: 32px; height: 32px; border-radius: 9px; background: #fff; display: grid; place-items: center; flex-shrink: 0; }
.logo-tile svg { width: 24px; height: 24px; }
.top-right { display: flex; gap: 32px; align-items: center; }
.nav { display: none; gap: 32px; align-items: center; }
.nav a { color: #A9B6C8; text-decoration: none; font-size: 15px; font-weight: 500; transition: color 0.15s; }
.nav a:hover { color: #fff; }
.login { color: #fff; text-decoration: none; font-weight: 600; font-size: 14px; border: 1.5px solid var(--navy-line); background: #FFFFFF0F; border-radius: 10px; padding: 8px 14px; transition: background-color 0.15s; }
.login:hover { background: #FFFFFF1F; }

.hero-grid { display: grid; gap: 20px; padding-top: 14px; }
.hero h1 { font-size: 30px; line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--sky); display: block; }
.sub { margin-top: 10px; color: #A9B6C8; font-size: 15px; line-height: 1.45; }

.form { margin-top: 14px; background: #fff; border-radius: 14px; padding: 12px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35); color: var(--ink); }
.form label { display: block; font: 700 14px Manrope, sans-serif; margin: 2px 2px 8px; }
.form textarea {
  display: block; width: 100%; height: 64px; border: 1.5px solid transparent; resize: none;
  font: 400 16px/1.4 Inter, sans-serif; color: var(--ink); background: #F2F4F8; border-radius: 10px; padding: 10px 12px;
  transition: border-color 0.15s, background-color 0.15s;
}
.form textarea::placeholder { color: #8A93A3; }
.form textarea:focus { outline: none; border-color: var(--blue); background: #fff; }
.form.invalid textarea { border-color: var(--coral); }
.form-error { margin: 8px 2px 0; color: var(--coral-d); font-size: 14px; font-weight: 600; }
.form .btn { width: 100%; margin-top: 10px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1.5px solid var(--navy-line); background: #FFFFFF0A; color: #D6DEEA;
  border-radius: 999px; padding: 7px 13px; font-size: 14px; font-weight: 500; white-space: nowrap; text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.chip:hover { background: #FFFFFF1A; border-color: #3B5070; color: #fff; }
.chip .clip { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.trust { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; list-style: none; }
.trust li { background: #FFFFFF0D; color: #A9B6C8; border-radius: 8px; padding: 4px 9px; font-size: 13px; }

.visual { position: relative; height: 190px; margin: 4px -20px 0; }
.rs { position: absolute; height: auto; border-radius: 10px; border: 1px solid #FFFFFF2E; box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5); background: var(--navy-soft); }
.v1 { width: 58%; left: 3%; top: 26px; transform: rotate(-3deg); }
.v2 { display: none; }
.v3 { width: 60%; right: 2%; top: 10px; transform: rotate(3deg); }

/* ---------- блоки ---------- */
.steps { display: grid; gap: 12px; list-style: none; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.step .n { display: block; width: 34px; height: 34px; border-radius: 10px; background: #EAF0FF; color: var(--blue); font: 800 15px/34px Manrope, sans-serif; text-align: center; }
.step h3 { font-size: 19px; margin: 12px 0 4px; }
.step p { color: var(--muted); font-size: 15px; }

.examples { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ex { display: block; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; text-decoration: none; box-shadow: 0 6px 18px rgba(12, 22, 38, 0.06); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.ex:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(12, 22, 38, 0.12); }
.ex img { width: 100%; height: auto; aspect-ratio: 720 / 406; background: #E7EBF2; }
.ex .meta { display: block; padding: 10px 12px; }
.ex .meta b { display: block; font: 700 14px/1.3 Manrope, sans-serif; }
.ex .meta small { color: var(--muted); font-size: 12.5px; }

.tabs { display: inline-flex; background: #E7EBF2; border-radius: 12px; padding: 4px; margin-bottom: 14px; }
.tabs button { padding: 9px 16px; border-radius: 9px; font-weight: 600; font-size: 15px; color: var(--muted); transition: background-color 0.15s, color 0.15s; }
.tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }
.cases { display: grid; gap: 10px; }
.cases[hidden] { display: none; }
.case { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; transition: border-color 0.15s, box-shadow 0.15s; }
.case:hover { border-color: #C9D3E6; box-shadow: 0 6px 18px rgba(12, 22, 38, 0.06); }
.case b { display: block; font: 700 16px/1.3 Manrope, sans-serif; }
.case small { display: block; color: var(--muted); font-size: 14px; margin-top: 2px; }
.case .go { color: var(--coral-d); font-weight: 700; font-size: 14px; white-space: nowrap; }

.dark { background: linear-gradient(180deg, var(--navy), var(--navy2)); color: #fff; border-radius: 20px; padding: 26px 20px; display: grid; gap: 20px; }
.dark h2 { color: #fff; margin-bottom: 10px; }
.dark p { color: #A9B6C8; }
.file-side { display: grid; gap: 12px; }
.drop { border: 1.5px dashed var(--navy-line); border-radius: 14px; padding: 26px 16px; text-align: center; color: #A9B6C8; font-weight: 600; font-size: 15px; background: #FFFFFF08; }

.prices { display: grid; gap: 12px; }
.price { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.price.main { border: 2px solid var(--navy); box-shadow: 0 14px 34px rgba(12, 22, 38, 0.12); }
.price .k { font: 700 12px Inter, sans-serif; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.price .v { font: 800 32px/1.1 Manrope, sans-serif; margin: 10px 0 6px; }
.price .v small { font-size: 15px; font-weight: 600; color: var(--muted); }
.price ul { list-style: none; margin: 10px 0 16px; }
.price li { padding: 5px 0 5px 24px; position: relative; font-size: 15px; }
.price li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.price .note { margin: -4px 0 16px; font-size: 13.5px; color: var(--muted); background: var(--bg); border-radius: 10px; padding: 10px; }
.price .btn { width: 100%; margin-top: auto; }

.revs { display: grid; gap: 12px; }
.rev { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px; display: flex; flex-direction: column; }
.rev .st { color: var(--star); letter-spacing: 2px; }
.rev .st i { font-style: normal; color: #D7DCE5; }
.rev blockquote { margin: 8px 0 12px; font-size: 15px; color: #2B3445; }
.rev figcaption { margin-top: auto; font-size: 13.5px; font-weight: 600; }
.rev figcaption span { color: var(--muted); font-weight: 500; }

.faq { border-top: 1px solid var(--line); max-width: 880px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 12px; padding: 17px 0; font-weight: 600; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 17px; margin-top: -6px; color: var(--muted); font-size: 15px; }

.final h2 { margin: 0; }
.final .form { margin-top: 0; box-shadow: none; }

.foot { background: var(--navy); color: #7F8DA3; font-size: 13px; padding: 28px 0 40px; margin-top: 56px; }
.foot p + p { margin-top: 8px; }
.foot a { color: #A9B6C8; }

/* Телефоны пониже (iPhone SE и т. п.): поле с кнопкой должно влезать в первый экран */
@media (max-height: 700px) and (max-width: 899px) {
  .hero h1 { font-size: 28px; }
  .sub { font-size: 14.5px; }
}

@media (min-width: 600px) {
  .revs { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  .wrap { padding: 0 64px; }
  section { padding: 80px 0; }
  h2 { font-size: 36px; }
  .top-row { height: 84px; }
  .nav { display: flex; }
  .logo { font-size: 19px; }
  .logo-tile { width: 36px; height: 36px; border-radius: 10px; }
  .logo-tile svg { width: 27px; height: 27px; }
  .login { font-size: 15px; padding: 10px 18px; }
  .hero-grid { grid-template-columns: minmax(0, 600px) 1fr; gap: 56px; padding-top: 44px; padding-bottom: 60px; align-items: start; }
  .hero h1 { font-size: 52px; letter-spacing: -0.025em; }
  .sub { font-size: 18px; max-width: 560px; margin-top: 16px; }
  .form { margin-top: 24px; padding: 14px; }
  .visual { height: 540px; margin: 0; }
  .v1 { width: 66%; left: 0; top: 70px; transform: rotate(-4deg); }
  .v2 { display: block; width: 64%; right: 0; top: 10px; transform: rotate(4deg); }
  .v3 { width: 84%; left: 8%; right: auto; top: 290px; transform: rotate(-1deg); box-shadow: 0 26px 60px rgba(0, 0, 0, 0.55); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .examples { gap: 18px; }
  .cases { grid-template-columns: 1fr 1fr; }
  .dark { grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding: 44px; }
  .prices { grid-template-columns: 1fr 1fr; }
  .revs { grid-template-columns: repeat(3, 1fr); }
  .final.dark { grid-template-columns: 0.8fr 1.2fr; }
}

@media (min-width: 1100px) {
  .examples { grid-template-columns: repeat(4, 1fr); }
}

/* Невысокие экраны компьютеров: первый экран целиком без прокрутки */
@media (min-width: 900px) and (max-height: 860px) {
  .hero-grid { padding-top: 28px; padding-bottom: 40px; }
  .hero h1 { font-size: 46px; }
  .sub { font-size: 17px; margin-top: 12px; }
  .form { margin-top: 18px; }
  .visual { height: 480px; }
  .v3 { top: 250px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}