/* =========================================================
   курсы.кэшбэк — стили лендинга
   ========================================================= */

:root {
  --cream: #FAF4EC;
  --white: #FFFFFF;
  --bluegray: #EDF2F7;
  --navy: #1A2340;
  --navy-soft: #232E52;
  --terracotta: #C1633D;
  --terracotta-dark: #A64F2E;

  --text-primary: #1A2340;
  --text-secondary: #5B6472;
  --text-on-navy: #F4F1EA;
  --text-on-navy-secondary: #A9B2C3;

  --border-soft: rgba(26, 35, 64, 0.10);
  --border-on-navy: rgba(244, 241, 234, 0.14);

  --font-display: "Onest", sans-serif;
  --font-body: "Inter", sans-serif;

  --container-w: 1200px;
  --radius-m: 14px;
  --radius-l: 24px;
  --shadow-card: 0 12px 32px rgba(26, 35, 64, 0.08);
}

* , *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  color: inherit;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nowrap { white-space: nowrap; }
.accent { color: var(--terracotta); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.btn-primary {
  background: var(--terracotta);
  color: var(--white);
}
.btn-primary:hover { background: var(--terracotta-dark); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-soft);
}
.btn-secondary:hover { border-color: var(--terracotta); color: var(--terracotta); }
.btn-lg { padding: 17px 34px; font-size: 17px; }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-nav { padding: 11px 22px; font-size: 14px; }

/* ---------- Progress bar ---------- */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--terracotta);
  z-index: 1000;
  transition: width .1s linear;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
}
.logo span { color: var(--terracotta); }
.nav-links { display: flex; gap: 28px; }
.nav-link { font-size: 15px; color: var(--text-secondary); transition: color .15s ease; }
.nav-link:hover { color: var(--text-primary); }
.burger { display: none; background: none; border: none; width: 28px; height: 20px; position: relative; }
.burger span { position: absolute; left: 0; width: 100%; height: 2px; background: var(--text-primary); transition: .2s; }
.burger span:nth-child(1){ top: 0; }
.burger span:nth-child(2){ top: 9px; }
.burger span:nth-child(3){ top: 18px; }

/* ---------- Sections / rhythm ---------- */
.block { padding: 112px 0; }
.block-white { background: var(--white); }
.block-cream { background: var(--cream); }
.block-bluegray { background: var(--bluegray); }
.block-navy { background: var(--navy); color: var(--text-on-navy); }
.block-navy h2, .block-navy h3 { color: var(--text-on-navy); }
.block-navy p { color: var(--text-on-navy-secondary); }

.eyebrow {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

h2 { font-size: 44px; margin-bottom: 24px; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ================= БЛОК 1. HERO ================= */
.hero {
  min-height: 640px;
  display: flex;
  align-items: center;
  background: var(--cream);
  padding-top: 60px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: 56px;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-figure { display: flex; justify-content: center; }
.hero-card {
  background: var(--white);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
  padding: 36px;
  width: 100%;
  max-width: 360px;
}
.hero-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  color: var(--text-secondary);
  padding: 14px 0;
}
.hero-card-row strong { font-family: var(--font-display); font-size: 20px; color: var(--text-primary); }
.hero-card-divider { height: 1px; background: var(--border-soft); }
.hero-card-row--accent strong { color: var(--terracotta); font-size: 26px; }

/* ================= БЛОК 2. ЛОГОТИПЫ ================= */
#partners { padding: 64px 0; }
.logo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}
.logo-chip {
  padding: 10px 20px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
}
.partners-stat { font-size: 14px; color: var(--text-secondary); }

/* ================= БЛОК 3. БОЛИ ================= */
.pain-inner { max-width: 720px; }
.pain-list { margin: 32px 0; display: flex; flex-direction: column; gap: 14px; }
.pain-list li {
  font-size: 18px;
  color: var(--text-secondary);
  padding-left: 22px;
  position: relative;
}
.pain-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border-soft);
}
.pain-promise { font-size: 22px; line-height: 1.5; }
.pain-promise strong { color: var(--terracotta); font-weight: 600; }

/* ================= БЛОК 4. КАК ЭТО РАБОТАЕТ ================= */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin: 40px 0 32px;
}
.step { display: flex; flex-direction: column; gap: 14px; }
.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bluegray);
  color: var(--text-primary);
}
.step p { font-size: 16px; color: var(--text-secondary); line-height: 1.5; }
.how-note { font-size: 15px; color: var(--text-secondary); margin-bottom: 40px; }
.how-mini {
  background: var(--bluegray);
  border-radius: var(--radius-m);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.how-mini p { max-width: 360px; font-size: 15px; }

/* ================= БЛОК 5. ДЛЯ КОГО ================= */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.audience-card {
  background: var(--white);
  border-radius: var(--radius-m);
  padding: 32px;
  border: 1px solid var(--border-soft);
}
.audience-card h3 { font-size: 19px; margin-bottom: 12px; }
.audience-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.55; }

/* ================= БЛОК 6. КАЛЬКУЛЯТОР ================= */
.calc-inner { max-width: 760px; }
.calc-inner h2 { color: var(--text-on-navy); }
.calc-widget {
  background: var(--navy-soft);
  border: 1px solid var(--border-on-navy);
  border-radius: var(--radius-l);
  padding: 36px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 20px;
}
.calc-label { display: block; font-size: 13px; color: var(--text-on-navy-secondary); margin-bottom: 10px; }
.calc-widget input[type="range"] {
  width: 100%;
  accent-color: var(--terracotta);
  margin-bottom: 14px;
}
.calc-number {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border-on-navy);
  border-radius: 10px;
  color: var(--text-on-navy);
  font-family: var(--font-display);
  font-size: 18px;
  padding: 10px 14px;
  margin-bottom: 16px;
}
.calc-chips { display: flex; gap: 8px; margin-bottom: 20px; }
.calc-chip {
  background: transparent;
  border: 1px solid var(--border-on-navy);
  color: var(--text-on-navy-secondary);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  transition: .15s;
}
.calc-chip:hover, .calc-chip.is-active { border-color: var(--terracotta); color: var(--text-on-navy); }
.calc-toggle { display: flex; gap: 8px; }
.calc-toggle-btn {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border-on-navy);
  color: var(--text-on-navy-secondary);
  border-radius: 999px;
  padding: 10px 12px;
  font-size: 13px;
  font-family: var(--font-display);
  transition: .15s;
}
.calc-toggle-btn.is-active { background: var(--terracotta); border-color: var(--terracotta); color: var(--white); }
.calc-result {
  text-align: center;
  border-left: 1px solid var(--border-on-navy);
  padding-left: 32px;
}
.calc-result-label { display: block; font-size: 14px; color: var(--text-on-navy-secondary); margin-bottom: 10px; }
.calc-result-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 44px;
  color: var(--terracotta);
  display: block;
}
.calc-fineprint { font-size: 13px; color: var(--text-on-navy-secondary); }

/* ================= БЛОК 7. ГАРАНТИЯ ================= */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 40px 0 28px;
}
.guarantee-card {
  padding: 26px 22px;
  border-radius: var(--radius-m);
  background: var(--cream);
}
.guarantee-card h3 { font-size: 17px; margin-bottom: 10px; }
.guarantee-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.guarantee-note { font-size: 14px; color: var(--text-secondary); }

/* ================= БЛОК 8. КАТАЛОГ ================= */
.catalog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.tab {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: .15s;
}
.tab.is-active, .tab:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.course-card {
  background: var(--white);
  border-radius: var(--radius-m);
  padding: 24px;
  border: 1px solid var(--border-soft);
}
.course-cashback {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--terracotta);
  margin-bottom: 14px;
}
.course-card h3 { font-size: 17px; margin-bottom: 6px; }
.course-school { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.course-price { font-size: 14px; font-weight: 600; }

/* ================= БЛОК 9. ЛИД-МАГНИТ ================= */
.leadmagnet-inner { max-width: 560px; text-align: left; }
.leadmagnet-inner p { font-size: 16px; color: var(--text-secondary); margin: 16px 0 28px; line-height: 1.55; }
.lead-link { font-size: 14px; text-decoration: underline; color: var(--text-secondary); margin-top: 4px; display: inline-block; }
.leadmagnet-inner .btn { margin-bottom: 16px; }

/* ================= БЛОК 10. ДВОЙНОЙ КЭШБЭК ================= */
.double-inner { max-width: 680px; }
.double-inner h2 { color: var(--text-on-navy); margin-bottom: 20px; }
.double-inner > p { font-size: 17px; line-height: 1.6; margin-bottom: 24px; }
.double-example { font-size: 20px; color: var(--text-on-navy); margin-bottom: 32px; }
.double-example strong { color: var(--terracotta); }

/* ================= БЛОК 11. FAQ ================= */
.faq-list { max-width: 760px; display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--border-soft); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-q::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: transform .2s ease;
}
.faq-item.is-open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-a p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; padding-bottom: 22px; max-width: 640px; }
.faq-item.is-open .faq-a { max-height: 300px; }

/* ================= БЛОК 12. ФИНАЛЬНЫЙ CTA ================= */
.cta-inner { max-width: 680px; }
.cta-inner h2 { color: var(--text-on-navy); margin-bottom: 32px; font-size: 40px; }
.cta-ps { margin-top: 24px; font-size: 14px; color: var(--text-on-navy-secondary); }

/* ---------- Footer ---------- */
.footer { background: var(--navy); padding: 48px 0; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer .logo { color: var(--text-on-navy); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 14px; color: var(--text-on-navy-secondary); }
.footer-copy { font-size: 13px; color: var(--text-on-navy-secondary); }

/* ---------- Footer link buttons (открывают модалки) ---------- */
.footer-link-btn {
  background: none;
  border: none;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--text-on-navy-secondary);
  cursor: pointer;
  padding: 0;
}
.footer-link-btn:hover { color: var(--text-on-navy); }

/* ---------- Modals (оферта / политика) ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(26,35,64,0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 950;
  padding: 20px;
}
.modal.is-visible { display: flex; }
.modal-inner {
  background: var(--white);
  border-radius: var(--radius-l);
  padding: 40px;
  max-width: 560px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none; border: none;
  font-size: 22px; color: var(--text-secondary);
}
.modal-inner h3 { font-size: 22px; margin-bottom: 16px; }
.modal-inner p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-figure { order: -1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-widget { grid-template-columns: 1fr; }
  .calc-result { border-left: none; border-top: 1px solid var(--border-on-navy); padding-left: 0; padding-top: 24px; }
  h2 { font-size: 36px; }
  .hero h1 { font-size: 44px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .burger { display: block; }
  .block { padding: 72px 0; }
  h2 { font-size: 28px; }
  .hero h1 { font-size: 32px; }
  .hero { min-height: 520px; padding-top: 40px; }
  .steps { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .catalog-grid { grid-template-columns: 1fr; }
  .how-mini { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}