/* ============================================================
   KOVEIRA — styles.css · Light premium
   ============================================================ */
:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --ink: #0f172a;
  --ink-2: #475569;
  --line: #e2e8f0;
  --primary: #4f46e5;
  --primary-2: #4338ca;
  --accent: #7c3aed;
  --wa: #25d366;
  --wa-dark: #1ebe5d;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .07);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .13);
  --container: 1200px;
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; }

.header-inner, .hero-inner, .section > *, .footer-inner {
  max-width: var(--container); margin: 0 auto; padding-left: 24px; padding-right: 24px;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 56px; padding: 0 26px; font-weight: 600; font-size: 16px;
  border-radius: 12px; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap; border: 1.5px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--primary); color: #fff; box-shadow: 0 10px 22px rgba(79, 70, 229, .28); }
.btn-solid:hover { background: var(--primary-2); box-shadow: 0 14px 26px rgba(79, 70, 229, .34); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 10px 22px rgba(37, 211, 102, .3); }
.btn-wa:hover { background: var(--wa-dark); }
.btn-sm { height: 44px; padding: 0 18px; font-size: 15px; }
.btn-lg { height: 60px; padding: 0 32px; font-size: 17px; }
.btn-block { width: 100%; }

/* ---------- Шапка ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  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: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark { display: inline-flex; }
.logo-text { font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.nav ul { display: flex; gap: 28px; }
.nav a { font-size: 15px; font-weight: 500; color: var(--ink-2); transition: color .15s; }
.nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.lang { display: flex; align-items: center; gap: 6px; }
.lang-btn { font-weight: 700; font-size: 14px; color: var(--ink-2); opacity: .55; transition: opacity .15s; }
.lang-btn:hover { opacity: 1; }
.lang-btn.is-active { color: var(--primary); opacity: 1; }
.lang-sep { color: var(--line); }
.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 96px 0 72px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% -10%, rgba(124, 58, 237, .12), transparent 60%),
    radial-gradient(500px 380px at -5% 30%, rgba(79, 70, 229, .10), transparent 60%);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--primary-2);
  background: rgba(79, 70, 229, .08); border: 1px solid rgba(79, 70, 229, .18);
  padding: 7px 14px; border-radius: 100px; margin-bottom: 22px;
}
.badge::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--wa); }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.55rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.08; margin-bottom: 22px; }
.hero-sub { font-size: 18px; color: var(--ink-2); max-width: 560px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 40px; }
.trust-item { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
.tick { width: 18px; height: 18px; border-radius: 50%; background: rgba(37, 211, 102, .15); position: relative; flex: none; }
.tick::after { content: '✓'; position: absolute; inset: 0; display: grid; place-items: center; font-size: 11px; color: #16a34a; font-weight: 800; }
.hero-stats { display: flex; border-top: 1px solid var(--line); }
.stat { flex: 1; padding: 18px 24px 0 0; }
.stat strong { display: block; font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em; color: var(--primary); }
.stat span { font-size: 13.5px; color: var(--ink-2); }

/* Визуал hero */
.hero-visual { position: relative; }
.mcard {
  background: var(--bg); border: 1px solid var(--line); border-radius: 22px;
  box-shadow: var(--shadow-lg); padding: 20px; transform: rotate(1.5deg);
}
.mcard-top { display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.r { background: #f87171; } .dot.y { background: #fbbf24; } .dot.g { background: #34d399; }
.mcard-top em { font-style: normal; font-size: 12.5px; color: var(--ink-2); margin-left: 10px; }
.mcard-body { display: flex; align-items: flex-end; gap: 10px; height: 190px; padding: 10px 6px 0; }
.mbar { flex: 1; border-radius: 8px 8px 4px 4px; background: linear-gradient(180deg, var(--primary), var(--accent)); opacity: .85; animation: grow 1s ease backwards; }
@keyframes grow { from { height: 8% !important; } }
.mcard-foot { display: flex; align-items: baseline; gap: 8px; margin-top: 16px; }
.mcard-foot .lbl { font-size: 12px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .05em; }
.mcard-foot strong { font-size: 1.6rem; font-weight: 800; color: #16a34a; }
.chip {
  position: absolute; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  border-radius: 100px; padding: 9px 16px; font-size: 13.5px; font-weight: 600;
}
.chip b { color: var(--primary); }
.chip.c1 { top: -14px; left: -26px; }
.chip.c2 { bottom: 60px; right: -18px; }
.chip.c3 { bottom: -16px; left: 24px; }

/* ---------- Бегущая строка ---------- */
.bar { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; background: var(--bg-alt); }
.bar-track { display: flex; width: max-content; animation: marquee 28s linear infinite; }
.bar-track > * { display: flex; gap: 46px; padding: 0 23px; }
.bar-list li { font-size: 14px; font-weight: 600; color: var(--ink-2); letter-spacing: .02em; white-space: nowrap; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-33.333%); } }

/* ---------- Секции ---------- */
.section { padding: 104px 0; }
.section:not(.pricing):not(.faq):not(.contact) { border-bottom: 1px solid var(--line); }
.why, .process { background: var(--bg-alt); }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.eyebrow { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--primary); margin-bottom: 14px; }
.sec-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.12; margin-bottom: 16px; }
.sec-sub { color: var(--ink-2); font-size: 17px; }

/*АНИМАЦИИ_ПОЯВЛЕНИЯ*/
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Сервисы ---------- */
.sv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card, .why-item, .case-card, .plan-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .2s ease, box-shadow .2s ease;
}
.svc-card:hover, .case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.svc-icon { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: rgba(79, 70, 229, .09); color: var(--primary); margin-bottom: 18px; }
.svc-icon svg { width: 26px; height: 26px; }
.svc-card h3 { font-size: 1.18rem; font-weight: 700; margin-bottom: 8px; }
.svc-card > p { color: var(--ink-2); font-size: 15px; margin-bottom: 14px; }
.feats { margin-bottom: 22px; }
.feats li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink-2); margin-bottom: 7px; }
.feats li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--wa-dark); font-weight: 800; font-size: 13px; }
.svc-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 18px; }
.price { font-weight: 700; color: var(--ink); font-size: 16px; }
.price::before { content: ''; }
.sv-note { margin-top: 34px; font-size: 14px; color: var(--ink-2); text-align: center; }

/* ---------- Por qué ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-item { padding: 28px; }
.why-ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(79, 70, 229, .09); color: var(--primary); margin-bottom: 16px; }
.why-ic svg { width: 24px; height: 24px; }
.why-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.why-item p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- Кейсы ---------- */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card { display: flex; flex-direction: column; gap: 12px; }
.case-tag { align-self: flex-start; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--primary); background: rgba(79, 70, 229, .08); padding: 6px 12px; border-radius: 100px; }
.case-card h3 { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; }
.case-card > p { color: var(--ink-2); font-size: 15px; }
.case-meta { display: flex; gap: 34px; border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; }
.case-meta b { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); font-weight: 600; }
.case-meta em { font-style: normal; font-weight: 700; }
.case-card .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Тарифы ---------- */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan-card { display: flex; flex-direction: column; gap: 12px; position: relative; }
.plan-card.featured { border: 2px solid var(--primary); box-shadow: 0 20px 48px rgba(79, 70, 229, .16); transform: scale(1.02); }
.plan-flag { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 100px; letter-spacing: .04em; }
.plan-name { font-size: 1.25rem; font-weight: 800; }
.plan-per { font-size: 13px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .05em; }
.plan-price { font-size: 2.3rem; font-weight: 800; letter-spacing: -.03em; color: var(--ink); }
.plan-price span { color: var(--primary); }
.plan-items { display: flex; flex-direction: column; gap: 10px; margin: 10px 0 16px; }
.plan-items li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--ink-2); }
.plan-items li::before { content: '✓'; position: absolute; left: 0; top: 0; width: 18px; height: 18px; border-radius: 50%; background: rgba(37, 211, 102, .16); color: #16a34a; font-weight: 800; font-size: 12px; display: grid; place-items: center; }
.plan-card .btn { margin-top: auto; }

/* ---------- Процесс ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 26px 22px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); }
.step-num { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: rgba(79, 70, 229, .1); color: var(--primary); font-weight: 800; font-size: 17px; margin-bottom: 16px; }
.step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--ink-2); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; background: var(--bg); overflow: hidden; }
.faq-item summary { display: flex; align-items: center; gap: 12px; padding: 20px 22px; cursor: pointer; list-style: none; font-weight: 600; font-size: 16.5px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; margin-left: auto; font-size: 22px; font-weight: 400; color: var(--primary); transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item > p { padding: 0 22px 20px; color: var(--ink-2); font-size: 15px; max-width: 720px; }

/* ---------- Контакт ---------- */
.contact { background: var(--bg-alt); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-copy h2 { margin-bottom: 16px; }
.contact-copy > p { color: var(--ink-2); margin-bottom: 20px; }
.ct-alt { font-weight: 600; color: var(--ink); }
.ct-note { font-size: 14px; margin-top: 16px; }
.lead-form { display: flex; flex-direction: column; gap: 14px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.lead-form input, .lead-form select, .lead-form textarea {
  width: 100%; font: inherit; font-size: 15.5px; padding: 14px 16px;
  border: 1.5px solid var(--line); border-radius: 10px; background: var(--bg);
  transition: border-color .15s;
}
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  outline: none; border-color: var(--primary);
}
.form-status { font-size: 14px; color: #16a34a; text-align: center; }

/* ---------- Referral block ---------- */
.ref-block { margin-top: 44px; padding: 28px 32px; border: 1px dashed var(--primary); border-radius: var(--radius); background: var(--bg-alt); text-align: center; }
.ref-block .ref-title { font-size: 17px; font-weight: 700; color: var(--ink); }
.ref-block .ref-desc { margin-top: 8px; margin-bottom: 18px; font-size: 15px; color: var(--ink-2); }

/* ---------- Footer ---------- */
.footer { background: var(--bg-dark); color: #cbd5e1; padding: 64px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.f-brand .logo-text { color: #fff; }
.f-brand p { margin-top: 14px; font-size: 14.5px; max-width: 320px; }
.f-addr { margin-top: 20px !important; font-size: 13.5px !important; color: #94a3b8 !important; }
.f-col h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.f-col ul { display: flex; flex-direction: column; gap: 10px; }
.f-col a { font-size: 14.5px; color: #94a3b8; transition: color .15s; }
.f-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(148, 163, 184, .15); }
.footer-bottom p { max-width: var(--container); margin: 0 auto; padding: 22px 24px; font-size: 13px; color: #64748b; }

/* ---------- Плавающая WhatsApp-кнопка ---------- */
.wa-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--wa); color: #fff; display: grid; place-items: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, .4);
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.wa-float.show { opacity: 1; transform: none; pointer-events: auto; }
.wa-float:hover { background: var(--wa-dark); }

/* ---------- Анимация появления ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Адаптив ---------- */
@media (max-width: 1024px) {
  .sv-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; }
  .plan-grid { grid-template-columns: 1fr 1fr; }
  .plan-card.featured { order: -1; }
}
@media (max-width: 768px) {
  .nav {
    position: fixed; inset: 72px 0 auto 0; background: var(--bg);
    border-bottom: 1px solid var(--line); padding: 18px 24px;
    display: none;
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 6px; }
  .nav a { display: block; padding: 12px 0; font-size: 17px; }
  .burger { display: flex; }
  .nav-cta-header { display: none; }
  .section { padding: 72px 0; }
  .contact-grid, .case-grid, .footer-inner { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .chip.c1 { left: -8px; }
  .chip.c2 { right: -8px; }
  .hero-stats { flex-direction: column; gap: 4px; }
}
@media (max-width: 560px) {
  .sv-grid, .why-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .header-actions .btn-sm { display: none; }
  .hero-cta .btn { width: 100%; }
  .mcard-body { height: 150px; }
}