/* ===== AI-АССИСТЕНТ — Custom Styles ===== */

:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #EFF6FF;
  --accent: #10B981;
  --accent-dark: #059669;
  --dark: #0F172A;
  --dark-2: #1E293B;
  --dark-3: #334155;
  --gray: #64748B;
  --gray-light: #94A3B8;
  --border: #E2E8F0;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --red: #EF4444;
  --yellow: #F59E0B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--dark); background: var(--white); }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(30px, 4vw, 54px); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3vw, 40px); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
h3 { font-size: clamp(20px, 2.5vw, 26px); font-weight: 600; line-height: 1.35; }
p { line-height: 1.75; color: var(--dark-3); font-size: 17px; }

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 52px 0; }
.section-sm { padding: 32px 0; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; padding: 0 24px; max-width: 1200px; margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon {
  width: 36px; height: 36px; background: var(--primary);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 20px; height: 20px; color: white; }
.logo-text { font-weight: 700; font-size: 18px; color: var(--dark); }
.logo-text span { color: var(--primary); }
.nav { display: flex; gap: 24px; }
.nav a { text-decoration: none; color: var(--dark-3); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--primary); }
.header-cta { display: flex; gap: 8px; align-items: center; }
.badge-servers {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--gray); padding: 4px 10px;
  border: 1px solid var(--border); border-radius: 20px;
}
.badge-servers::before { content: '🇷🇺'; font-size: 14px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px; font-weight: 600;
  font-size: 15px; cursor: pointer; text-decoration: none;
  transition: all 0.2s; border: none; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,0.3); }
.btn-outline { background: white; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(16,185,129,0.3); }
.btn-lg { padding: 16px 32px; font-size: 17px; border-radius: 12px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  padding: 84px 0 52px;
  background: linear-gradient(135deg, #F0F7FF 0%, #FAFFFE 50%, #F0FDF4 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: white; border: 1px solid var(--border);
  border-radius: 20px; padding: 6px 14px; font-size: 13px;
  color: var(--accent-dark); font-weight: 600; margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.hero-badge::before { content: '🟢'; font-size: 10px; }
.hero h1 { margin-bottom: 20px; }
.hero h1 .highlight { color: var(--primary); position: relative; }
.hero h1 .highlight-green { color: var(--accent-dark); }
.hero-sub { font-size: 19px; color: var(--dark-3); margin-bottom: 32px; line-height: 1.7; }
.hero-sub strong { color: var(--dark); }

/* Waitlist Form */
.waitlist-form { background: white; border-radius: 16px; padding: 24px; box-shadow: 0 4px 24px rgba(0,0,0,0.08); margin-bottom: 24px; }
.waitlist-label { font-size: 14px; font-weight: 700; color: var(--dark-3); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }
.waitlist-input-group { display: flex; gap: 8px; margin-bottom: 12px; }
.waitlist-input-group input {
  flex: 1; padding: 12px 16px; border: 2px solid var(--border);
  border-radius: 10px; font-size: 15px; outline: none;
  transition: border-color 0.2s; color: var(--dark);
}
.waitlist-input-group input:focus { border-color: var(--primary); }
.waitlist-segment { display: flex; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.segment-btn {
  padding: 7px 14px; border-radius: 8px; font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1.5px solid var(--border); background: white;
  color: var(--gray); transition: all 0.2s;
}
.segment-btn.active, .segment-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.waitlist-note { font-size: 14px; color: var(--gray); margin-top: 8px; }

.hero-stats { display: flex; gap: 24px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 26px; font-weight: 800; color: var(--dark); }
.stat-label { font-size: 14px; color: var(--dark-3); }

/* Hero Visual */
.hero-visual { position: relative; }
.chat-mockup {
  background: white; border-radius: 20px; padding: 24px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12); position: relative;
}
.chat-header {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 16px;
}
.chat-avatar {
  width: 40px; height: 40px; background: var(--primary);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.chat-name { font-weight: 600; font-size: 15px; }
.chat-status { font-size: 13px; color: var(--accent-dark); display: flex; align-items: center; gap: 4px; }
.chat-status::before { content: '●'; font-size: 8px; }
.msg { margin-bottom: 12px; }
.msg-user { display: flex; justify-content: flex-end; }
.msg-user .bubble {
  background: var(--primary); color: white; padding: 10px 14px;
  border-radius: 16px 16px 4px 16px; font-size: 14px; max-width: 80%;
}
.msg-ai .bubble {
  background: var(--bg); color: var(--dark); padding: 12px 14px;
  border-radius: 16px 16px 16px 4px; font-size: 14px; max-width: 90%;
}
.msg-ai .bubble .law-ref {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--primary-light); color: var(--primary);
  padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600;
  margin-top: 6px;
}
.msg-time { font-size: 11px; color: var(--gray-light); margin-top: 4px; text-align: right; }
.typing { display: flex; gap: 4px; align-items: center; padding: 12px 14px; }
.typing-dot { width: 6px; height: 6px; background: var(--gray-light); border-radius: 50%; animation: typing 1.4s infinite; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }

.chat-doc {
  display: flex; align-items: center; gap: 12px;
  background: #F0FDF4; border: 1px solid #BBF7D0; border-radius: 10px;
  padding: 10px 14px; margin-top: 8px;
}
.chat-doc-icon { font-size: 22px; }
.chat-doc-name { font-size: 13px; font-weight: 600; color: var(--dark); }
.chat-doc-size { font-size: 12px; color: var(--gray); }
.chat-doc-btn { margin-left: auto; font-size: 13px; color: var(--accent-dark); font-weight: 600; }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--dark-2); padding: 16px 0;
}
.trust-bar-inner {
  display: flex; justify-content: center; gap: 40px; flex-wrap: wrap;
  align-items: center;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  color: #CBD5E1; font-size: 15px;
}
.trust-item strong { color: white; }
.trust-item .icon { font-size: 16px; }

/* ===== SECTION LABEL ===== */
.section-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--primary);
  background: var(--primary-light); padding: 7px 16px;
  border-radius: 20px; margin-bottom: 16px;
}
.section-title { margin-bottom: 12px; }
.section-sub { font-size: 18px; color: var(--dark-3); margin-bottom: 32px; }
.text-center { text-align: center; }

/* ===== LIVE DEMO ===== */
.demo-section { background: var(--bg); }
.demo-container {
  background: white; border-radius: 24px; overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.1); max-width: 860px; margin: 0 auto;
}
.demo-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.demo-tab {
  padding: 16px 20px; font-size: 15px; font-weight: 600;
  color: var(--dark-3); cursor: pointer; border-bottom: 2px solid transparent;
  transition: all 0.2s; margin-bottom: -1px;
}
.demo-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.demo-body { padding: 24px; }
.demo-questions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.demo-q {
  padding: 8px 14px; background: var(--primary-light); color: var(--primary);
  border-radius: 8px; font-size: 13px; cursor: pointer; font-weight: 500;
  border: 1px solid transparent; transition: all 0.2s;
}
.demo-q:hover { border-color: var(--primary); }
.demo-input-row { display: flex; gap: 10px; margin-bottom: 16px; }
.demo-input {
  flex: 1; padding: 12px 16px; border: 2px solid var(--border);
  border-radius: 10px; font-size: 15px; outline: none;
  transition: border-color 0.2s; font-family: inherit;
}
.demo-input:focus { border-color: var(--primary); }
.demo-response {
  background: var(--bg); border-radius: 12px; padding: 20px;
  min-height: 80px; font-size: 16px; line-height: 1.8;
  color: var(--dark);
}
.demo-response .ai-name { font-weight: 700; color: var(--primary); margin-bottom: 8px; font-size: 15px; }
.demo-response .law-tag {
  display: inline-flex; align-items: center; gap: 4px; background: var(--primary-light);
  color: var(--primary); padding: 3px 10px; border-radius: 6px;
  font-size: 13px; font-weight: 600; margin: 2px;
}
.demo-response .accuracy {
  display: flex; align-items: center; gap: 8px; margin-top: 12px;
  padding-top: 12px; border-top: 1px solid var(--border); font-size: 13px; color: var(--gray);
}
.demo-response .accuracy .check { color: var(--accent); font-weight: 700; }
.demo-disclaimer { font-size: 14px; color: var(--gray); text-align: center; margin-top: 12px; }

/* ===== PROBLEMS ===== */
.problems-section { background: white; }
.problems-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.problem-card {
  padding: 20px; border-radius: 16px; border: 1.5px solid var(--border);
  transition: all 0.2s;
}
.problem-card:hover { border-color: var(--primary); box-shadow: 0 4px 20px rgba(37,99,235,0.08); }
.problem-emoji { font-size: 32px; margin-bottom: 16px; }
.problem-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.problem-text { font-size: 16px; color: var(--dark-3); line-height: 1.7; }
.problem-cost { font-size: 15px; font-weight: 600; color: var(--red); margin-top: 10px; }

/* ===== SOLUTION ===== */
.solution-section { background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%); }
.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.solution-card {
  background: white; padding: 20px; border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.solution-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 16px;
}
.icon-blue { background: var(--primary-light); }
.icon-green { background: #ECFDF5; }
.icon-yellow { background: #FFFBEB; }
.icon-purple { background: #F5F3FF; }
.solution-title { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.solution-text { font-size: 16px; color: var(--dark-3); line-height: 1.7; margin-bottom: 12px; }
.solution-features { list-style: none; }
.solution-features li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 16px; color: var(--dark-3); padding: 5px 0;
}
.solution-features li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* ===== COMPARISON ===== */
.comparison-section {
  background: #0F172A !important;
  color: #E2E8F0 !important;
}
.comparison-section * { box-sizing: border-box; }
.comparison-section h2,
.comparison-section h2.section-title { color: #F1F5F9 !important; }
.comparison-section p { color: #CBD5E1 !important; font-size: 17px !important; }
.comparison-section .section-label {
  background: rgba(255,255,255,0.1) !important;
  color: #93C5FD !important;
}
/* Кнопки вкладок */
.comparison-section [data-comp-tab] {
  background: rgba(255,255,255,0.1) !important;
  color: #E2E8F0 !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
}
.comparison-section [data-comp-tab].active,
.comparison-section [data-comp-tab]:hover {
  background: var(--primary) !important;
  color: white !important;
  border-color: var(--primary) !important;
}

.comparison-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: 16px; overflow: hidden;
}
.comparison-table th {
  padding: 16px 20px; font-size: 16px; font-weight: 700;
  background: #1E293B !important;
  color: #E2E8F0 !important;
}
.comparison-table th.highlight {
  background: var(--primary) !important;
  color: #FFFFFF !important;
}
.comparison-table td {
  padding: 15px 20px; font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.09);
  background: #0F172A;
  color: #E2E8F0 !important;
}
.comparison-table td:first-child {
  color: #F1F5F9 !important;
  font-weight: 700;
}
.comparison-table tr td:nth-child(2) {
  background: rgba(37,99,235,0.18) !important;
  color: #FFFFFF !important;
}
.comparison-table tr td:nth-child(3) {
  color: #CBD5E1 !important;
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.04) !important; }
.comparison-table tr:hover td:nth-child(2) { background: rgba(37,99,235,0.2) !important; }

.check-yes { color: #4ADE80 !important; font-size: 20px; font-weight: 700; }
.check-no  { color: #FCA5A5 !important; font-size: 20px; }
.check-part{ color: #FDE68A !important; font-size: 20px; }

/* ===== TARIFFS ===== */
.tariffs-section { background: white; }
.tariffs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: start; }
.tariff-card {
  border: 2px solid var(--border); border-radius: 20px;
  padding: 20px; position: relative; transition: all 0.2s;
}
.tariff-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37,99,235,0.1); }
.tariff-card.popular {
  border-color: var(--primary); transform: scale(1.03);
  box-shadow: 0 8px 40px rgba(37,99,235,0.15);
}
.tariff-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: white; padding: 4px 16px;
  border-radius: 20px; font-size: 12px; font-weight: 700;
  white-space: nowrap;
}
.tariff-name { font-size: 15px; font-weight: 700; color: var(--dark-3); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.tariff-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.tariff-price .amount { font-size: 38px; font-weight: 800; color: var(--dark); }
.tariff-price .period { font-size: 15px; color: var(--gray); }
.tariff-old-price { font-size: 14px; color: var(--gray); margin-bottom: 16px; }
.tariff-desc { font-size: 16px; color: var(--dark-3); margin-bottom: 16px; line-height: 1.65; }
.tariff-features { list-style: none; margin-bottom: 24px; }
.tariff-features li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 16px; padding: 6px 0;
  border-bottom: 1px solid var(--border);
  color: var(--dark-3);
}
.tariff-features li:last-child { border-bottom: none; }
.tariff-features li .feat-icon { flex-shrink: 0; width: 18px; text-align: center; }
.tariff-features li.disabled { color: var(--gray); }
.tariff-features li.disabled .feat-icon { opacity: 0.5; }
.tariff-for { font-size: 14px; color: var(--dark-3); margin-bottom: 16px; }

/* ===== SOCIAL PROOF ===== */
.proof-section { background: var(--bg); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: white; border-radius: 16px; padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.testimonial-stars { color: var(--yellow); font-size: 16px; margin-bottom: 12px; }
.testimonial-text { font-size: 16px; line-height: 1.75; color: var(--dark-3); margin-bottom: 16px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; background: var(--primary-light);
}
.testimonial-name { font-size: 15px; font-weight: 700; }
.testimonial-role { font-size: 13px; color: var(--dark-3); }
.testimonial-saving {
  display: inline-flex; align-items: center; gap: 4px;
  background: #ECFDF5; color: var(--accent-dark);
  padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 700;
  margin-bottom: 12px;
}

/* ===== STATS ===== */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-bottom: 36px;
}
.stat-card {
  text-align: center; padding: 20px 20px;
  background: white; border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.stat-card .num { font-size: 44px; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 8px; }
.stat-card .label { font-size: 15px; color: var(--dark-3); }

/* ===== CALCULATOR ===== */
.calc-section { background: white; }
.calculator {
  max-width: 720px; margin: 0 auto;
  background: var(--bg); border-radius: 24px; padding: 28px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.calc-group label { display: block; font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.calc-group select, .calc-group input[type=range] {
  width: 100%; padding: 10px 14px; border: 2px solid var(--border);
  border-radius: 10px; font-size: 15px; background: white; outline: none;
  transition: border-color 0.2s; cursor: pointer;
}
.calc-group select:focus { border-color: var(--primary); }
.range-labels { display: flex; justify-content: space-between; font-size: 12px; color: var(--gray); margin-top: 4px; }
.calc-result {
  background: white; border-radius: 16px; padding: 28px;
  border: 2px solid var(--border); margin-top: 24px;
}
.calc-result-title { font-size: 14px; font-weight: 700; color: var(--gray); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.calc-result-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.calc-num { font-size: 30px; font-weight: 800; color: var(--primary); }
.calc-num.green { color: var(--accent-dark); }
.calc-num-label { font-size: 14px; color: var(--dark-3); margin-top: 4px; }

/* ===== SECURITY ===== */
.security-section { background: var(--dark-2); color: white; }
.security-section h2 { color: white; }
.security-section p { color: #CBD5E1; }
.security-section .section-label { background: rgba(255,255,255,0.1); color: #93C5FD; }
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.security-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 20px;
}
.security-card .icon { font-size: 32px; margin-bottom: 16px; }
.security-card h3 { color: white; margin-bottom: 8px; }
.security-card p { font-size: 16px; color: #CBD5E1; }
.security-badges { display: flex; gap: 16px; margin-top: 24px; justify-content: center; flex-wrap: wrap; }
.sec-badge {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px; padding: 10px 16px; font-size: 14px; color: #CBD5E1;
}
.sec-badge .icon { font-size: 18px; }
.sec-badge strong { color: white; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-tabs { display: flex; gap: 8px; margin-bottom: 32px; }
.faq-tab-btn {
  padding: 11px 22px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: 2px solid var(--border); background: white; color: var(--dark-3);
  transition: all 0.2s;
}
.faq-tab-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.faq-list { display: none; }
.faq-list.active { display: block; }
.faq-item {
  background: white; border-radius: 12px; margin-bottom: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05); overflow: hidden;
}
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 22px; cursor: pointer; font-weight: 600; font-size: 16px;
  color: var(--dark); transition: background 0.2s;
}
.faq-question:hover { background: var(--bg); }
.faq-arrow { transition: transform 0.3s; font-size: 12px; color: var(--gray); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  padding: 0 22px; max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s;
  font-size: 15px; color: var(--dark-3); line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 22px 20px; }

/* ===== REFERRAL ===== */
.referral-section { background: linear-gradient(135deg, var(--primary) 0%, #1D4ED8 100%); color: white; }
.referral-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.referral-section h2 { color: white; }
.referral-section p { color: rgba(255,255,255,0.8); }
.referral-steps { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.referral-step { display: flex; align-items: center; gap: 16px; }
.step-num {
  width: 36px; height: 36px; background: rgba(255,255,255,0.2);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; flex-shrink: 0;
}
.step-text { font-size: 16px; color: rgba(255,255,255,0.95); line-height: 1.6; }
.step-text strong { color: white; }
.referral-box {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px; padding: 32px;
}
.referral-bonus { text-align: center; margin-bottom: 16px; }
.referral-bonus .bonus-num { font-size: 52px; font-weight: 800; line-height: 1; }
.referral-bonus .bonus-label { font-size: 16px; color: rgba(255,255,255,0.8); }
.referral-cta { background: white; border-radius: 12px; padding: 16px; text-align: center; }
.referral-cta a { color: var(--primary); font-weight: 700; text-decoration: none; }

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  text-align: center; padding: 64px 0;
}
.cta-section h2 { color: white; font-size: clamp(28px, 4vw, 48px); margin-bottom: 16px; }
.cta-section p { color: #CBD5E1; font-size: 18px; margin-bottom: 24px; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto 16px; }
.cta-form input {
  flex: 1; padding: 14px 18px; border-radius: 12px;
  border: 2px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.08);
  color: white; font-size: 15px; outline: none;
  transition: border-color 0.2s; font-family: inherit;
}
.cta-form input::placeholder { color: var(--gray); }
.cta-form input:focus { border-color: var(--primary); }
.cta-note { font-size: 13px; color: var(--gray); }
.cta-countdown { margin-bottom: 32px; }
.countdown-label { font-size: 15px; color: #CBD5E1; margin-bottom: 12px; }
.countdown-timer { display: flex; gap: 16px; justify-content: center; }
.countdown-unit { text-align: center; }
.countdown-num { font-size: 36px; font-weight: 800; color: white; line-height: 1; display: block; }
.countdown-unit-label { font-size: 14px; color: #94A3B8; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); padding: 60px 0 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 15px; color: #94A3B8; line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #CBD5E1; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #94A3B8; text-decoration: none; font-size: 15px; transition: color 0.2s; }
.footer-col ul li a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 20px; flex-wrap: wrap;
}
.footer-legal { font-size: 13px; color: #64748B; line-height: 1.7; max-width: 700px; }
.footer-legal a { color: #94A3B8; }
.footer-links-bottom { display: flex; gap: 20px; }
.footer-links-bottom a { font-size: 14px; color: #94A3B8; text-decoration: none; }
.footer-links-bottom a:hover { color: white; }

/* ===== MOBILE STICKY CTA ===== */
.mobile-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  background: white; padding: 12px 20px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1); z-index: 90;
  border-top: 1px solid var(--border);
}
.mobile-cta-inner { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ===== ANIMATIONS ===== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== NOTIFICATION ===== */
.toast {
  position: fixed; bottom: 80px; right: 24px; z-index: 200;
  background: var(--dark); color: white; padding: 14px 20px;
  border-radius: 12px; font-size: 14px; font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateX(200%); transition: transform 0.3s ease;
  display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateX(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .tariffs-grid { grid-template-columns: repeat(2, 1fr); }
  .tariff-card.popular { transform: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .nav { display: none; }
  .header-cta .badge-servers { display: none; }
  .problems-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .comparison-section { overflow-x: auto; }
  .tariffs-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .referral-inner { grid-template-columns: 1fr; }
  .calc-row { grid-template-columns: 1fr; }
  .calc-result-rows { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .cta-form { flex-direction: column; }
  .mobile-cta { display: block; }
  .security-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero { padding: 90px 0 60px; }
  .waitlist-input-group { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .trust-bar-inner { gap: 20px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .countdown-timer { gap: 10px; }
  .countdown-num { font-size: 28px; }
}