:root {
  --ink: #0f1f35;
  --ink-2: #1b3150;
  --text: #1f2a3a;
  --muted: #5b6678;
  --paper: #f7f6f2;
  --soft: #eef1ee;
  --white: #ffffff;
  --line: #dde2e6;
  --accent: #1d8a68;
  --accent-2: #5fd3a9;
  --accent-dark: #156b51;
  --warn: #d99a2b;
  --bad: #d4553f;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 31, 53, .08);
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--text); background: var(--paper); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: var(--accent-dark); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); font-weight: 800; letter-spacing: -.015em; }
h3 { font-size: 1.15rem; font-weight: 700; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.eyebrow { margin: 0 0 .8rem; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }

/* Кнопки */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem 1.2rem; border-radius: 10px; border: 2px solid transparent; font: inherit; font-weight: 700; font-size: .95rem; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: .9rem 1.5rem; font-size: 1rem; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--accent-2); }

/* Шапка */
.header { position: sticky; top: 0; z-index: 20; background: rgba(247, 246, 242, .92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.header.scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 2rem; height: 72px; }
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); }
.logo-mark { width: 36px; height: 36px; color: var(--ink); flex: none; }
.logo-text { font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.nav { display: flex; gap: 1.6rem; margin-left: auto; }
.nav a { color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--accent); }
.nav-login { color: var(--accent-dark) !important; }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Первый экран */
/* Фон — линовка, как в учетной книге */
.hero { padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
  background: repeating-linear-gradient(0deg, transparent 0 39px, rgba(15, 31, 53, .045) 39px 40px), var(--paper); }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 1.4rem 0 2rem; max-width: 40em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: .5rem 1.6rem; list-style: none; padding: 0; margin: 2rem 0 0; color: var(--ink-2); font-weight: 600; font-size: .95rem; }
.hero-points li { display: flex; align-items: center; gap: .5rem; }
.hero-points li::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.5 2.5L13 6.5' stroke='white' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; flex: none; }

.hero-card { background: var(--white); border: 1px solid var(--line); border-radius: 18px; box-shadow: 14px 14px 0 var(--ink), var(--shadow); padding: 1.5rem; margin-right: 14px; }
.hc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.hc-title { font-weight: 800; color: var(--ink); }
.hc-tag { font-size: .72rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: .1rem .6rem; }
.hc-list { list-style: none; margin: 0; padding: 0; }
.hc-list li { display: grid; grid-template-columns: 12px 1fr; column-gap: .8rem; padding: .7rem 0; border-top: 1px dashed var(--line); font-weight: 600; color: var(--ink); font-size: .95rem; }
.hc-list em { grid-column: 2; font-style: normal; font-weight: 500; color: var(--muted); font-size: .82rem; }
.hc-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: .45rem; grid-row: span 2; }
.hc-dot.ok { background: var(--accent); }
.hc-dot.warn { background: var(--warn); }
.hc-dot.bad { background: var(--bad); }
.hc-foot { border-top: 1px solid var(--line); margin-top: .4rem; padding-top: 1rem; font-size: .82rem; color: var(--muted); font-weight: 600; }
.hc-bars { display: grid; gap: 6px; margin-top: .6rem; }
.hc-bars i { display: block; height: 8px; width: var(--w); border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.hc-bars i:nth-child(2) { opacity: .7; }
.hc-bars i:nth-child(3) { opacity: .45; }

/* Секции */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--ink); color: #c9d3e0; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .eyebrow { color: var(--accent-2); }
.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-lead { color: var(--muted); font-size: 1.08rem; margin: 1.2rem 0 0; }

/* Карточки экспертизы */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card p { color: var(--muted); margin: .5rem 0 1rem; }
.card ul { margin: 0; padding: 0; list-style: none; font-size: .93rem; }
.card li { padding: .35rem 0 .35rem 1.2rem; position: relative; border-top: 1px solid var(--soft); }
.card li::before { content: ""; position: absolute; left: 0; top: .9rem; width: 7px; height: 7px; border-radius: 2px; background: var(--accent); }
.card-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--soft); display: grid; place-items: center; margin-bottom: 1rem; }
.card-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--accent-dark); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card-accent { background: var(--ink); border-color: var(--ink); color: #c9d3e0; }
.card-accent h3 { color: #fff; }
.card-accent p { color: #a9b6c8; }
.card-accent li { border-top-color: rgba(255, 255, 255, .08); }
.card-accent li::before { background: var(--accent-2); }
.card-accent .card-icon { background: rgba(95, 211, 169, .14); }
.card-accent .card-icon svg { stroke: var(--accent-2); }
.card-link { margin-top: auto; padding-top: 1rem; color: var(--accent-2); font-weight: 700; text-decoration: none; }

/* Маркировка */
.marking { display: grid; grid-template-columns: 1.1fr .9fr; gap: 4rem; align-items: start; }
.marking-text > p { font-size: 1.08rem; margin: 1.2rem 0 1.6rem; }
.checklist { list-style: none; padding: 0; margin: 0 0 2rem; }
.checklist li { padding: .8rem 0 .8rem 2rem; border-top: 1px solid rgba(255, 255, 255, .1); position: relative; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 1.05rem; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.5 2.5L13 6.5' stroke='%230f1f35' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }
.checklist strong { color: #fff; }
.marking-groups { background: var(--ink-2); border-radius: 18px; padding: 2rem; }
.groups-title { color: #fff; font-weight: 700; margin: 0 0 1rem; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.tags li { border: 1px solid rgba(255, 255, 255, .15); border-radius: 999px; padding: .35rem .85rem; font-size: .88rem; color: #dfe6ef; }
.groups-note { font-size: .88rem; color: #93a2b7; margin: 1.4rem 0 0; }

/* Принципы */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.principle { border-top: 3px solid var(--ink); padding-top: 1.2rem; }
.principle-num { display: block; font-weight: 800; color: var(--accent); font-size: .9rem; margin-bottom: .6rem; }
.principle p { color: var(--muted); font-size: .95rem; margin: .7rem 0 0; }

/* Шаги */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: step; }
.step { background: var(--white); border-radius: var(--radius); padding: 1.6rem; position: relative; counter-increment: step; }
.step::before { content: counter(step); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 800; margin-bottom: 1rem; }
.step p { color: var(--muted); font-size: .95rem; margin: .6rem 0 0; }

/* Форматы */
.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; align-items: stretch; }
.format { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.8rem; display: flex; flex-direction: column; position: relative; }
.format-main { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.format-badge { position: absolute; top: -13px; left: 1.8rem; background: var(--accent); color: #fff; font-size: .75rem; font-weight: 700; padding: .2rem .7rem; border-radius: 999px; }
.format-sub { color: var(--muted); margin: .4rem 0 1.2rem; }
.format ul { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.format li { padding: .45rem 0 .45rem 1.6rem; position: relative; font-size: .95rem; }
.format li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.format-price { margin: auto 0 1rem; font-weight: 700; color: var(--ink); }

/* Вопросы */
.faq-wrap { max-width: 900px; }
.faq details { background: var(--white); border-radius: 12px; margin-bottom: .7rem; border: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 1.1rem 3rem 1.1rem 1.4rem; font-weight: 700; color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 1.4rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--accent); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { margin: 0; padding: 0 1.4rem 1.2rem; color: var(--muted); }

/* Контакты и форма */
.contacts { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: start; }
.contacts-info > p { font-size: 1.08rem; margin: 1.2rem 0 2rem; }
.contact-list { margin: 0; }
.contact-list div { padding: .8rem 0; border-top: 1px solid rgba(255, 255, 255, .1); display: grid; grid-template-columns: 130px 1fr; gap: 1rem; }
.contact-list dt { color: #93a2b7; font-size: .9rem; }
.contact-list dd { margin: 0; color: #fff; font-weight: 600; }
.contact-list a { color: #fff; text-decoration: none; }
.contact-list a:hover { color: var(--accent-2); }

.form { background: var(--white); color: var(--text); border-radius: 18px; padding: 2rem; display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { display: grid; gap: .35rem; font-weight: 600; font-size: .9rem; color: var(--ink); }
.form input, .form textarea { font: inherit; font-weight: 500; color: var(--text); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: .75rem .9rem; width: 100%; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; background: #fff; }
.form textarea { resize: vertical; min-height: 110px; }
.form .consent { display: flex; gap: .6rem; align-items: flex-start; font-weight: 500; color: var(--muted); }
.form .consent input { width: 18px; height: 18px; margin-top: .2rem; flex: none; accent-color: var(--accent); }
.form .invalid { border-color: var(--bad); }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; padding: .8rem 1rem; border-radius: 10px; font-weight: 600; }
.form-status.ok { background: #e2f5ec; color: var(--accent-dark); }
.form-status.err { background: #fbe9e5; color: #a3381f; }

/* Подвал */
.footer { background: #0a1626; color: #8796ab; padding: 2.5rem 0; font-size: .9rem; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 1.2rem 2rem; align-items: start; }
.footer strong { color: #fff; }
.footer p { margin: .3rem 0 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; }
.footer-nav a { color: #c9d3e0; text-decoration: none; }
.footer-nav a:hover { color: var(--accent-2); }
.footer-copy { grid-column: 1 / -1; border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 1.2rem; }

/* Политика и служебные страницы */
.doc { max-width: 820px; padding-block: 3rem 5rem; }
.doc h1 { font-size: 2rem; margin-bottom: 1.5rem; }
.doc h2 { font-size: 1.3rem; margin: 2rem 0 .7rem; }
.doc .note { background: #fff6e0; border: 1px solid #f0d58c; border-radius: 10px; padding: 1rem 1.2rem; }

/* Появление при прокрутке */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* Адаптив */
@media (max-width: 1080px) {
  .header-cta { display: none; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .principles, .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .burger { display: block; }
  .nav { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: .5rem 24px 1rem; display: none; }
  .nav.open { display: flex; }
  .nav a { padding: .8rem 0; border-top: 1px solid var(--line); }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-inner, .marking, .contacts { grid-template-columns: 1fr; gap: 3rem; }
  .hero-card { max-width: 480px; }
  .formats { grid-template-columns: 1fr; max-width: 520px; }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  .cards, .principles, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form { padding: 1.4rem; }
  .hero-card { box-shadow: 8px 8px 0 var(--ink), var(--shadow); margin-right: 8px; }
  .contact-list div { grid-template-columns: 1fr; gap: .1rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}
.doc .muted { color: var(--muted); margin-top: -.8rem; }