/* ============================================================
   Premium VPN — style.css
   Design source: premium-web.info
   Mode C (service) — VPN/ВПН allowed
   Palette: #111 bg, #FFD700 gold accent, #fff text
   Dark theme with gold accents — cloned from premium-web.info
   ============================================================ */

:root {
  --bg:         #111111;
  --bg-card:    #1a1a1a;
  --bg-lighter: #222222;
  --accent:     #FFD700;
  --accent-hover:#E6BE00;
  --accent-dim: rgba(255,215,0,0.12);
  --text:       #ffffff;
  --text-muted: rgba(255,255,255,0.6);
  --border:     rgba(255,255,255,0.08);
  --radius-lg:  20px;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 4px 24px rgba(0,0,0,0.3);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px; line-height: 1.65; color: var(--text); background: var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons (premium-web.info: yellow with 3px border, uppercase) ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 36px; border-radius: 4px; font-weight: 700; font-size: 14px;
  text-transform: uppercase; letter-spacing: 1px; border: 3px solid var(--accent);
  cursor: pointer; transition: .25s;
}
.btn-accent { background: var(--accent); color: #111; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-outline { background: transparent; color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #111; }
.btn-lg { padding: 18px 44px; font-size: 15px; }

/* ── Header (premium-web.info: dark, logo in gold border, underline nav) ── */
.site-header {
  position: sticky; top: 0; z-index: 100; background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo {
  display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px;
  color: var(--accent); padding: 8px 16px; border: 2px solid var(--accent); border-radius: 4px;
}
.logo img { height: 24px; }
.nav { display: flex; gap: 32px; }
.nav a {
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  text-decoration: underline; text-underline-offset: 4px; transition: color .2s;
}
.nav a:hover { color: var(--accent); }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; }

/* ── Hero (premium-web.info: huge italic heading, phone mockup right) ── */
.hero { padding: 80px 0 60px; }
.hero-inner { display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 1; }
.hero h1 {
  font-size: 52px; font-weight: 800; font-style: italic; line-height: 1.1;
  text-transform: uppercase; margin-bottom: 24px;
}
.hero h1 .accent { color: var(--accent); }
.hero-sub { font-size: 16px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.7; }
.hero-highlight { color: var(--accent); font-size: 15px; margin-bottom: 28px; }
.hero-actions { display: flex; flex-direction: column; gap: 12px; max-width: 320px; }
.hero-visual { flex-shrink: 0; width: 320px; }
.phone-mockup {
  width: 260px; height: 480px; background: #1a1a1a; border-radius: 36px;
  border: 3px solid #333; margin: 0 auto; padding: 20px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.phone-brand {
  background: var(--accent); color: #111; padding: 4px 20px; border-radius: 20px;
  font-size: 12px; font-weight: 700; margin-bottom: 40px; display: flex; align-items: center; gap: 4px;
}
.phone-btn {
  width: 100px; height: 100px; border-radius: 50%; border: 3px solid var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 36px;
  color: var(--accent); margin-bottom: 16px;
}
.phone-status { color: var(--accent); font-size: 14px; font-weight: 600; }

/* ── Section common ───────────────────────── */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: block; font-size: 13px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px;
}
.section-title {
  font-size: 36px; font-weight: 800; font-style: italic; margin-bottom: 12px;
}
.section-sub { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ── Features (premium-web.info: 3x2 grid, line-art icons, dark cards) ── */
.features { background: var(--bg); }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 32px;
  border: 1px solid var(--border); transition: .3s; position: relative;
  overflow: hidden;
}
.feat-card::before {
  content: ''; position: absolute; top: 0; right: 0;
  width: 60px; height: 60px; background: var(--accent);
  clip-path: polygon(100% 0, 0 0, 100% 100%); opacity: .15;
}
.feat-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feat-icon {
  font-size: 32px; margin-bottom: 20px; color: var(--text-muted); line-height: 1;
}
.feat-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.feat-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ── Tech Advantage (premium-web.info: text left, mockup right) ── */
.tech-section { background: var(--bg-card); padding: 80px 0; }
.tech-inner { display: flex; align-items: center; gap: 60px; }
.tech-content { flex: 1; }
.tech-content h2 { font-size: 36px; font-weight: 800; font-style: italic; margin-bottom: 20px; }
.tech-content p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 12px; }
.tech-visual { flex-shrink: 0; }

/* ── Servers ──────────────────────────────── */
.servers-grid { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.server-item {
  padding: 10px 20px; background: var(--bg-card); border-radius: 4px;
  font-size: 14px; font-weight: 500; border: 1px solid var(--border); transition: .2s;
}
.server-item:hover { border-color: var(--accent); color: var(--accent); }

/* ── Pricing ──────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 900px; margin: 0 auto; }
.price-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 36px 28px;
  text-align: center; border: 2px solid var(--border); transition: .3s; position: relative;
}
.price-card.featured { border-color: var(--accent); }
.price-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #111; padding: 4px 16px; border-radius: 4px;
  font-size: 12px; font-weight: 700; text-transform: uppercase;
}
.price-period { font-size: 16px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.price-amount { font-size: 48px; font-weight: 800; margin-bottom: 4px; }
.price-amount sup { font-size: 20px; }
.price-saving { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 20px; min-height: 20px; }
.price-btn {
  display: block; padding: 14px; border-radius: 4px; font-weight: 700;
  font-size: 14px; text-transform: uppercase; letter-spacing: 1px;
  background: var(--accent); color: #111; border: 2px solid var(--accent); transition: .25s;
}
.price-btn:hover { background: var(--accent-hover); }
.trial-note {
  text-align: center; margin-top: 28px; font-size: 15px; color: var(--text-muted);
  padding: 16px; background: var(--accent-dim); border-radius: var(--radius-sm);
}
.trial-note strong { color: var(--accent); }

/* ── Install ──────────────────────────────── */
.install-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.install-item {
  background: var(--bg-card); border-radius: var(--radius); padding: 28px;
  border: 1px solid var(--border);
}
.install-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 4px; background: var(--accent);
  color: #111; font-weight: 700; font-size: 14px; margin-bottom: 12px;
}
.install-text { font-size: 15px; margin-bottom: 12px; }
.btn-tg {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: #0088cc; color: #fff; border-radius: 4px; font-weight: 600; font-size: 14px;
}
.install-dl-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.install-dl-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
  background: var(--bg-lighter); border-radius: 4px; font-size: 13px; font-weight: 500;
  border: 1px solid var(--border); transition: .2s;
}
.install-dl-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Referral ─────────────────────────────── */
.referral-box {
  display: flex; gap: 40px; align-items: center; padding: 48px;
  background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border);
}
.referral-steps { margin-top: 24px; }
.referral-step { display: flex; gap: 16px; margin-bottom: 16px; }
.step-num {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 4px;
  background: var(--accent); color: #111; display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 14px;
}
.step-text strong { display: block; font-size: 15px; }
.step-text span { font-size: 13px; color: var(--text-muted); }
.referral-bonus {
  flex-shrink: 0; width: 280px; background: var(--bg-lighter); border-radius: var(--radius);
  padding: 32px; text-align: center; border: 2px solid var(--accent);
}
.bonus-emoji { font-size: 40px; margin-bottom: 8px; }
.bonus-title { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.bonus-highlight { display: inline-block; font-size: 28px; font-weight: 800; color: var(--accent); margin: 8px 0; }
.bonus-desc { font-size: 13px; color: var(--text-muted); }

/* ── FAQ ──────────────────────────────────── */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card); border-radius: var(--radius-sm); margin-bottom: 8px;
  border: 1px solid var(--border);
}
.faq-q {
  width: 100%; text-align: left; padding: 18px 24px; font-size: 15px;
  font-weight: 600; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; color: var(--text);
}
.faq-q::after { content: '+'; font-size: 20px; color: var(--accent); }
.faq-q.open::after { content: '−'; }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .3s;
  padding: 0 24px; font-size: 14px; color: var(--text-muted); line-height: 1.7;
}
.faq-a.open { max-height: 300px; padding: 0 24px 18px; }

/* ── CTA ──────────────────────────────────── */
.cta-section {
  background: var(--accent); padding: 72px 0; text-align: center; color: #111;
}
.cta-section .section-title { color: #111; font-style: italic; }
.cta-section .section-sub { color: rgba(0,0,0,0.6); }

/* ── Footer ──────────────────────────────── */
.site-footer { background: #0a0a0a; color: #fff; padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo-wrap {
  display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px;
  color: var(--accent); margin-bottom: 16px;
}
.footer-logo-wrap img { width: 28px; height: 28px; object-fit: contain; border-radius: 6px; }
.footer-tagline { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.footer-col-title { font-weight: 700; font-size: 13px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; padding-top: 24px;
  border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted);
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero-inner, .tech-inner { flex-direction: column; }
  .hero-visual, .tech-visual { display: none; }
  .feat-grid, .pricing-grid, .install-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .referral-box { flex-direction: column; padding: 28px; }
  .referral-bonus { width: 100%; }
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg); padding: 20px; border-bottom: 1px solid var(--border); }
  .menu-toggle { display: block; }
}