/* ============================================================
   Russian VPN — style.css
   Mode C (service) — VPN/ВПН allowed
   Palette: #ffffff bg, #0039A6 accent (blue), #D52B1E cta (red)
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:         #ffffff;
  --bg-section: #f4f5f7;
  --accent:     #0039A6;
  --accent-dark:#002d80;
  --cta:        #D52B1E;
  --cta-dark:   #b8231a;
  --glass:      rgba(0,57,166,0.05);
  --glass-hover:rgba(0,57,166,0.09);
  --text:       #1a1a2e;
  --text-muted: #6b7280;
  --border:     rgba(0,0,0,0.08);
  --radius-lg:  24px;
  --radius:     16px;
  --radius-sm:  10px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; vertical-align: middle; }
ul { list-style: none; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn-cta {
  background: var(--cta);
  color: #ffffff;
}
.btn-cta:hover { background: var(--cta-dark); box-shadow: 0 4px 16px rgba(213,43,30,.25); }
.btn-accent {
  background: var(--accent);
  color: #ffffff;
}
.btn-accent:hover { background: var(--accent-dark); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover { background: var(--glass); }
.btn-lg { padding: 16px 40px; font-size: 17px; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
}
.logo svg { height: 34px; width: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s;
}
.nav a:hover { color: var(--text); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, rgba(0,57,166,.04) 0%, transparent 60%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,57,166,.08);
  color: var(--accent);
  border: 1px solid rgba(0,57,166,.18);
  border-radius: 40px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 18px;
  color: var(--text);
}
.hero h1 .accent { color: var(--cta); }
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.65;
}
.hero-checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  margin-bottom: 32px;
}
.hero-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}
.hero-check::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M4 9l3.5 3.5L14 6' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-trial {
  font-size: 14px;
  color: var(--text-muted);
}
.hero-trial strong { color: var(--cta); }

/* ── Hero blocks ───────────────────────────────────────────── */
.hero-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ru-block {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 140px;
  justify-content: flex-end;
}
.ru-block--blue {
  background: var(--accent);
  color: #ffffff;
}
.ru-block--light {
  background: var(--bg-section);
  color: var(--text);
  border: 1px solid var(--border);
}
.ru-block--red {
  background: var(--cta);
  color: #ffffff;
}
.ru-block-num {
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
}
.ru-block-label {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
}
.ru-block-label span {
  display: block;
  font-size: 13px;
  font-weight: 400;
  opacity: .7;
}
.ru-block-icon {
  font-size: 32px;
  margin-bottom: 4px;
}

/* ── Section headers ───────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-label {
  display: inline-block;
  background: rgba(0,57,166,.08);
  color: var(--accent);
  border: 1px solid rgba(0,57,166,.15);
  border-radius: 40px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 10px;
}
.section-sub {
  font-size: 16px;
  color: var(--text-muted);
}

/* ── Features ──────────────────────────────────────────────── */
.features {
  padding: 80px 0;
  background: var(--bg-section);
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feat-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow .2s, transform .15s;
}
.feat-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.06); transform: translateY(-2px); }
.feat-card--accent {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
}
.feat-card--accent:hover { background: var(--accent-dark); }
.feat-card--accent p { color: rgba(255,255,255,.75); }
.feat-icon { font-size: 36px; }
.feat-card h3 { font-size: 20px; font-weight: 700; }
.feat-card p { font-size: 15px; line-height: 1.6; color: var(--text-muted); }

/* ── Servers ───────────────────────────────────────────────── */
.servers {
  padding: 80px 0;
}
.servers-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  margin-top: 8px;
}
.server-item {
  background: var(--bg-section);
  border-radius: var(--radius-sm);
  padding: 14px 8px;
  text-align: center;
  font-size: 22px;
  border: 1px solid var(--border);
  transition: box-shadow .2s, transform .15s;
}
.server-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,.06); transform: translateY(-2px); }
.server-item strong {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

/* ── Adv chain ─────────────────────────────────────────────── */
.adv-chain {
  padding: 80px 0;
  background: var(--bg-section);
}
.adv-chain-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.adv-chain-inner h2 {
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 28px;
  line-height: 1.3;
}
.adv-faq-list { display: flex; flex-direction: column; gap: 2px; }
.adv-faq-item { border-bottom: 1px solid var(--border); }
.adv-faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 16px 0;
  cursor: pointer;
  position: relative;
  padding-right: 28px;
  font-family: inherit;
}
.adv-faq-q::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--accent);
  transition: transform .2s;
}
.adv-faq-item.open .adv-faq-q::after { transform: translateY(-50%) rotate(45deg); }
.adv-faq-a {
  display: none;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 16px;
  line-height: 1.65;
}
.adv-faq-item.open .adv-faq-a { display: block; }
.adv-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-box {
  background: #ffffff;
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--border);
}
.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Pricing ───────────────────────────────────────────────── */
.pricing {
  padding: 80px 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.price-card {
  background: var(--bg-section);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
  transition: box-shadow .2s, transform .15s;
}
.price-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.06); transform: translateY(-2px); }
.price-card.featured {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
  transform: scale(1.03);
}
.price-card.featured:hover { transform: scale(1.03) translateY(-2px); }
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cta);
  color: #ffffff;
  border-radius: 40px;
  padding: 4px 16px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.price-period { font-size: 15px; font-weight: 600; opacity: .7; margin-bottom: 12px; }
.price-amount {
  font-size: 54px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}
.price-amount sup { font-size: 24px; vertical-align: super; }
.price-saving {
  font-size: 13px;
  font-weight: 600;
  color: var(--cta);
  min-height: 20px;
  margin-bottom: 20px;
}
.price-card.featured .price-saving { color: rgba(255,255,255,.8); }
.price-btn {
  display: block;
  background: var(--cta);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-weight: 700;
  font-size: 15px;
  transition: background .2s;
  text-align: center;
}
.price-btn:hover { background: var(--cta-dark); }
.price-card.featured .price-btn {
  background: #ffffff;
  color: var(--accent);
}
.price-card.featured .price-btn:hover { background: #f0f0f0; }
.trial-note {
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 8px;
}
.trial-note strong { color: var(--cta); }

/* ── Install block ─────────────────────────────────────────── */
.install {
  padding: 80px 0;
  background: var(--bg-section);
}
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.install-item {
  position: relative;
  padding: 48px;
  font-size: 28px;
  font-weight: 600;
  border-radius: var(--radius-lg);
  line-height: 1.4;
  background-color: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
  overflow: hidden;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 20px;
}
.install-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  opacity: .85;
  line-height: 1;
}
.install-text {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
  position: relative;
  z-index: 2;
}

.install-item_1 { order: 1; background: linear-gradient(135deg, rgba(0,57,166,.03), rgba(0,57,166,.08)); }
.install-item_2 { order: 2; }
.install-item_3 { order: 4; min-height: auto; }
.install-item_4 { order: 3; }

.btn-tg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
  text-decoration: none;
  position: relative;
  z-index: 2;
  width: fit-content;
}
.btn-tg:hover { background: var(--accent-dark); }

.install-dl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  position: relative;
  z-index: 2;
}
.install-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-section);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s, box-shadow .2s;
  white-space: nowrap;
}
.install-dl-btn:hover { background: #e8eaed; box-shadow: 0 2px 8px rgba(0,0,0,.06); }

/* ── Referral ──────────────────────────────────────────────── */
.referral {
  padding: 80px 0;
}
.referral-box {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  background: var(--bg-section);
  border-radius: var(--radius-lg);
  padding: 56px;
  border: 1px solid var(--border);
  align-items: center;
}
.referral-box .section-title { text-align: left; margin-bottom: 0; }
.referral-box .section-label { margin-bottom: 10px; }
.referral-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin: 14px 0 28px;
}
.referral-steps { display: flex; flex-direction: column; gap: 18px; }
.referral-step { display: flex; align-items: flex-start; gap: 16px; }
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-text { display: flex; flex-direction: column; gap: 3px; }
.step-text strong { font-size: 15px; font-weight: 700; }
.step-text span { font-size: 13px; color: var(--text-muted); }
.referral-bonus {
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
}
.bonus-emoji { font-size: 40px; margin-bottom: 8px; }
.bonus-title { font-size: 14px; font-weight: 600; opacity: .75; margin-bottom: 4px; }
.bonus-highlight {
  display: block;
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}
.bonus-desc { font-size: 13px; line-height: 1.5; opacity: .8; }
.referral-bonus .btn-accent {
  background: #ffffff;
  color: var(--accent);
}
.referral-bonus .btn-accent:hover { background: #f0f0f0; }

/* ── FAQ ───────────────────────────────────────────────────── */
.faq {
  padding: 80px 0;
  background: var(--bg-section);
}
.faq-list { display: flex; flex-direction: column; gap: 2px; max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 17px;
  font-weight: 600;
  padding: 20px 0;
  padding-right: 32px;
  cursor: pointer;
  position: relative;
}
.faq-q::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--accent);
  transition: transform .2s;
}
.faq-q.open::after { transform: translateY(-50%) rotate(45deg); }
.faq-a {
  display: none;
  font-size: 15px;
  color: var(--text-muted);
  padding-bottom: 20px;
  line-height: 1.7;
}
.faq-a.open { display: block; }

/* ── CTA ───────────────────────────────────────────────────── */
.cta-section {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, transparent 0%, rgba(0,57,166,.04) 50%, transparent 100%);
}
.cta-section .section-title { margin-bottom: 12px; }
.cta-section .section-sub { margin-bottom: 32px; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: #1a1a2e;
  color: #ffffff;
  border-top: 4px solid var(--cta);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  margin-bottom: 4px;
}
.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer-links a:hover { color: #ffffff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-copy { font-size: 13px; color: rgba(255,255,255,.45); }

/* ── SEO block ─────────────────────────────────────────────── */
.seo-block {
  background: rgba(0,0,0,.2);
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.05);
}
.seo-block-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.seo-block-label {
  font-size: 10px;
  letter-spacing: .1em;
  color: rgba(255,255,255,.35);
  margin-bottom: 10px;
}
.seo-block-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  list-style: none;
}
.seo-block-links a {
  font-size: 12px;
  color: rgba(255,255,255,.3);
  transition: color .2s;
}
.seo-block-links a:hover { color: rgba(255,255,255,.55); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .servers-grid { grid-template-columns: repeat(5, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-blocks { order: -1; grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .servers-grid { grid-template-columns: repeat(4, 1fr); }
  .adv-chain-inner { grid-template-columns: 1fr; }
  .install-grid { grid-template-columns: 1fr; }
  .install-item { order: 0 !important; min-height: 220px; font-size: 18px; padding: 32px; }
  .install-text { font-size: 18px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .referral-box { grid-template-columns: 1fr; padding: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .adv-stats { grid-template-columns: 1fr 1fr; }
  .nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #ffffff; padding: 20px 24px; gap: 16px; z-index: 200; border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
  .nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-inner .btn-cta { display: none; }
}

@media (max-width: 480px) {
  .hero-blocks { grid-template-columns: 1fr 1fr; }
  .servers-grid { grid-template-columns: repeat(3, 1fr); }
  .install-dl-grid { grid-template-columns: 1fr 1fr; }
  .hero-checks { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}