/* ============================================================
   base.css — Премиальная дизайн-система 2026
   Тёплый Obsidian + Emerald/Amber: человечный, доверительный,
   дорогой визуал. Glassmorphism, мягкие градиенты, типографика.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Тёплый Obsidian — глубокий, но не холодный */
  --bg-main: #07090f;
  --bg-surface: #0c1018;
  --bg-surface-2: #121826;
  --bg-card: rgba(16, 22, 36, 0.68);
  --bg-card-hover: rgba(22, 30, 48, 0.85);
  --bg-glass: rgba(18, 26, 42, 0.55);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-soft: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(52, 211, 153, 0.5);
  --border-accent: rgba(52, 211, 153, 0.4);

  --txt-primary: #f5f7fa;
  --txt-secondary: #a3b1c6;
  --txt-muted: #6b7689;

  /* Акценты — тёплый изумруд + янтарь для человечности */
  --emerald: #10b981;
  --emerald-light: #34d399;
  --emerald-bright: #6ee7b7;
  --teal: #14b8a6;
  --amber: #fbbf24;
  --amber-light: #fcd34d;
  --gold: #f59e0b;
  --coral: #fb7185;
  --coral-deep: #f43f5e;
  --violet: #a78bfa;

  --grad-emerald: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  --grad-emerald-teal: linear-gradient(135deg, #6ee7b7 0%, #14b8a6 100%);
  --grad-amber: linear-gradient(135deg, #fcd34d 0%, #f59e0b 100%);
  --grad-coral: linear-gradient(135deg, #fb7185 0%, #f43f5e 100%);
  --grad-text: linear-gradient(135deg, #ffffff 30%, #6ee7b7 100%);
  --grad-accent: linear-gradient(135deg, #34d399 0%, #6ee7b7 50%, #fcd34d 100%);
  --grad-warm: linear-gradient(135deg, #fbbf24 0%, #34d399 100%);
  --grad-surface: linear-gradient(160deg, rgba(22,30,48,0.9) 0%, rgba(12,16,24,0.95) 100%);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-2xl: 36px;

  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.5);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow-emerald: 0 0 40px rgba(16, 185, 129, 0.3);
  --shadow-glow-amber: 0 0 40px rgba(251, 191, 36, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  background-color: var(--bg-main);
  background-image:
    radial-gradient(1200px 800px at 50% -5%, rgba(16, 185, 129, 0.10), transparent 70%),
    radial-gradient(900px 600px at 100% 25%, rgba(251, 191, 36, 0.06), transparent 70%),
    radial-gradient(900px 700px at 0% 60%, rgba(20, 184, 166, 0.06), transparent 70%),
    radial-gradient(700px 500px at 80% 90%, rgba(167, 139, 250, 0.05), transparent 70%);
  color: var(--txt-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

::selection {
  background: var(--emerald-light);
  color: #07090f;
}

/* ---------- Контейнеры и секции ---------- */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.section.black {
  background: #07090f;
}

.section.dark {
  background: linear-gradient(180deg, #0a0e16 0%, #07090f 100%);
}

.section.warm {
  background:
    radial-gradient(800px 500px at 20% 30%, rgba(251, 191, 36, 0.06), transparent 70%),
    radial-gradient(700px 500px at 80% 70%, rgba(16, 185, 129, 0.06), transparent 70%),
    #07090f;
}

/* Заголовки */
.section-title {
  font-family: var(--font-heading);
  text-align: center;
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  color: var(--txt-primary);
}

.section-title .grad {
  background: var(--grad-accent);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  animation: gradShift 6s ease infinite;
}

@keyframes gradShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin: 18px auto 0;
  border-radius: 99px;
  background: var(--grad-accent);
  box-shadow: 0 0 18px rgba(52, 211, 153, 0.5);
}

.section-sub {
  text-align: center;
  color: var(--txt-secondary);
  max-width: 660px;
  margin: 0 auto 52px;
  font-size: clamp(15px, 1.8vw, 17.5px);
  font-weight: 400;
  line-height: 1.6;
}

.section-sub strong {
  color: var(--emerald-light);
  font-weight: 600;
}

/* Эй-лайнер — маленькая подпись над заголовком */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emerald-light);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 6px 14px;
  border-radius: 99px;
  margin: 0 auto 18px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald-light);
  box-shadow: 0 0 10px var(--emerald-light);
  animation: pulseDot 2s infinite;
}

.section-head {
  text-align: center;
  margin-bottom: 52px;
}

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1.2;
  text-align: center;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn i {
  font-style: normal;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  transition: 0.6s;
}

.btn:hover::before {
  left: 140%;
}

.btn-green {
  background: var(--grad-emerald);
  color: #052e1a;
  box-shadow: 0 10px 28px rgba(16, 185, 129, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-green:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(16, 185, 129, 0.55);
}

.btn-amber {
  background: var(--grad-amber);
  color: #3a2806;
  box-shadow: 0 10px 28px rgba(245, 158, 11, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-amber:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(245, 158, 11, 0.55);
}

.btn-teal {
  background: var(--grad-emerald-teal);
  color: #053029;
  box-shadow: 0 10px 28px rgba(20, 184, 166, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-teal:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(20, 184, 166, 0.55);
}

.btn-red {
  background: var(--grad-coral);
  color: #ffffff;
  box-shadow: 0 10px 28px rgba(244, 63, 94, 0.4);
}

.btn-red:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(244, 63, 94, 0.55);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  color: var(--txt-primary);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(52, 211, 153, 0.1);
  border-color: var(--emerald-light);
  color: var(--emerald-light);
  transform: translateY(-3px);
}

.cta-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--txt-muted);
  text-align: center;
}

/* ---------- Навигация (Topbar) ---------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 9, 15, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.topbar.scrolled {
  background: rgba(7, 9, 15, 0.92);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  border-bottom-color: rgba(52, 211, 153, 0.18);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .topbar__inner {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 16px;
    gap: 8px;
  }
  .topbar__inner .topbar__brand {
    order: 0;
  }
  .topbar__inner .topbar__actions {
    order: 1;
    margin-left: auto;
  }
  .topbar__inner .topbar__nav {
    order: 2;
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px 0;
    gap: 4px;
  }
  .topbar__nav a {
    padding: 7px 10px;
    font-size: 12.5px;
  }
}

.topbar__brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.topbar__brand span {
  color: var(--emerald-light);
}

.topbar__brand-badge {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
  animation: pulseDot 2s infinite;
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.topbar__nav::-webkit-scrollbar {
  display: none;
}

.topbar__nav a {
  color: var(--txt-secondary);
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  position: relative;
}

.topbar__nav a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.topbar__nav a.active {
  color: var(--emerald-light);
  font-weight: 600;
}

.topbar__nav a.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: var(--emerald-light);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--emerald-light);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar__cta {
  background: var(--grad-emerald);
  color: #052e1a !important;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13.5px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(16, 185, 129, 0.5);
}

.topbar__admin-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--txt-muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.topbar__admin-btn:hover {
  color: var(--txt-primary);
  border-color: var(--emerald-light);
  background: rgba(52, 211, 153, 0.1);
}

/* ---------- Прогресс, Тост ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--grad-accent);
  z-index: 1300;
  width: 0;
  box-shadow: 0 0 14px rgba(52, 211, 153, 0.5);
  transition: width 0.1s ease-out;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%) translateY(100px);
  background: #0c1018;
  color: var(--txt-primary);
  border: 1px solid var(--emerald);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14.5px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.6), 0 0 28px rgba(16, 185, 129, 0.3);
  z-index: 3000;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
  max-width: 90vw;
  text-align: center;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ---------- Бегущая строка (Marquee) ---------- */
.marquee {
  position: relative;
  z-index: 3;
  overflow: hidden;
  border-top: 1px solid rgba(52, 211, 153, 0.35);
  border-bottom: 1px solid rgba(52, 211, 153, 0.35);
  background:
    linear-gradient(90deg, rgba(7,9,15,0.92), rgba(12,16,24,0.92), rgba(7,9,15,0.92));
  backdrop-filter: blur(8px);
  padding: 22px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.16), transparent 20%, transparent 80%, rgba(251, 191, 36, 0.16));
  animation: marqueeSheen 8s linear infinite;
}

@keyframes marqueeSheen {
  0% { opacity: 0; }
  15% { opacity: 1; }
  50% { opacity: 0; }
  100% { opacity: 0; }
}

.marquee__track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marqueeAnim 40s linear infinite;
  align-items: center;
  will-change: transform;
}

.marquee__track span {
  font-family: var(--font-heading);
  font-size: clamp(14px, 1.6vw, 18px);
  font-weight: 800;
  color: #e2e8f0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(180deg, #ffffff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 24px rgba(16, 185, 129, 0.25);
  transition: color 0.3s, transform 0.3s;
}

.marquee__track i {
  font-style: normal;
  font-size: 10px;
  color: var(--emerald-light);
  text-shadow: 0 0 14px rgba(16, 185, 129, 0.8);
  animation: marqueePulse 1.8s ease-in-out infinite;
}

@keyframes marqueePulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.35); }
}

/* Интерактивность: подсветка пунктов при наведении */
.marquee__track span:hover {
  color: var(--emerald-light);
  -webkit-text-fill-color: var(--emerald-light);
  text-shadow: 0 0 24px rgba(16, 185, 129, 0.7);
  transform: scale(1.06);
}

@keyframes marqueeAnim {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Унифицированные стеклянные карточки ---------- */
.benefit, .appr, .why-card, .diff, .stage, .kw, .stat, .price-card, .form-card, .price-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.benefit:hover, .appr:hover, .why-card:hover, .diff:hover, .stage:hover {
  border-color: rgba(52, 211, 153, 0.4);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 28px rgba(52, 211, 153, 0.12);
  transform: translateY(-4px);
}

/* ============================================================
   ПЛАВАЮЩАЯ ПАНЕЛЬ CMS
   ============================================================ */
.cms-bar {
  position: fixed;
  top: 72px;
  right: 20px;
  z-index: 2000;
  background: rgba(10, 14, 24, 0.95);
  border: 1px solid var(--emerald-light);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  display: none;
  align-items: center;
  gap: 8px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.7), 0 0 22px rgba(52, 211, 153, 0.3);
  backdrop-filter: blur(16px);
  animation: barSlide 0.3s ease;
}

.cms-bar.active {
  display: flex;
}

@keyframes barSlide {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.cms-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cms-btn:hover {
  background: rgba(52, 211, 153, 0.2);
  border-color: var(--emerald-light);
}

.cms-btn.save {
  background: var(--grad-emerald);
  color: #052e1a;
  border: none;
}

.cms-btn.save:hover {
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.5);
}

.cms-btn.danger {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.3);
  color: #fb7185;
}

.cms-btn.danger:hover {
  background: rgba(244, 63, 94, 0.3);
}

/* Модальное окно */
.cms-modal {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  padding: 20px;
}

.cms-modal.open {
  display: flex;
}

.cms-modal__box {
  background: #0c1018;
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: var(--radius-xl);
  max-width: 840px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px 28px;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 44px rgba(52, 211, 153, 0.2);
}

.cms-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--txt-secondary);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.cms-modal__close:hover {
  background: rgba(244, 63, 94, 0.2);
  color: #ffffff;
}

/* ---------- Плавающая кнопка "наверх" ---------- */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 88px;
  z-index: 1400;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(12px);
  color: var(--emerald-light);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-top.show {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top:hover {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--emerald-light);
  transform: translateY(-3px);
}