/* VPN Cat — Official Site Template (Mode C) */
/* Design: inspired by vpncat.mom — white background, green accent */
/* Accent placeholder: #4ADE80 */

:root {
  --accent: #4ADE80;
  --accent-dark: #16A34A;
  --accent-light: #F0FDF4;
  --bg: #ffffff;
  --bg-alt: #f8faf8;
  --text: #1a1a1a;
  --text-muted: #666666;
  --border: #e5e5e5;
  --card-bg: #ffffff;
  --hero-bg: #f2faf3;
  --dark-section: #111111;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1200px;
  --font: 'Poppins', 'Roboto', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ── HEADER ─────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-cat {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
}

.nav a:hover { color: var(--accent-dark); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.btn-outline {
  background: transparent;
  color: var(--accent-dark);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 16px;
  border-radius: 8px;
}

.btn-white {
  background: #fff;
  color: var(--text);
}

.btn-white:hover {
  background: #f5f5f5;
  transform: translateY(-1px);
}

/* ── HERO ───────────────────────────────────────────────────────── */
.hero {
  background: var(--hero-bg);
  padding: 80px 0 70px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent-dark);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
}

.hero h1 .accent { color: var(--accent-dark); }

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trial {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-trial::before {
  content: '✓';
  color: var(--accent-dark);
  font-weight: 700;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.hero-card-text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.hero-card-text span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── STATS ──────────────────────────────────────────────────────── */
.stats {
  padding: 56px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent-dark);
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── SECTION COMMON ─────────────────────────────────────────────── */
section { padding: 72px 0; }

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
}

.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

/* ── SERVERS ────────────────────────────────────────────────────── */
.servers { background: var(--bg-alt); }

.servers-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  margin-top: 40px;
}

.server-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  text-align: center;
  transition: all .2s;
}

.server-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.server-flag {
  font-size: 28px;
  margin-bottom: 8px;
}

.server-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}

.server-sla {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ── FEATURES ───────────────────────────────────────────────────── */
.features { background: var(--bg); }

.features-header {
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: all .2s;
}

.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 24px rgba(0,0,0,0.07);
  transform: translateY(-3px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── PRICING ────────────────────────────────────────────────────── */
.pricing { background: var(--bg-alt); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.price-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all .2s;
  position: relative;
}

.price-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.09);
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.price-period {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.price-amount {
  font-size: 42px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.price-amount sup {
  font-size: 20px;
  font-weight: 700;
  vertical-align: super;
}

.price-saving {
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 600;
  margin-top: 6px;
  min-height: 20px;
}

.price-btn {
  display: block;
  margin-top: 24px;
  padding: 13px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: all .2s;
  text-align: center;
}

.price-btn:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.trial-note {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
}

.trial-note strong { color: var(--accent-dark); }

/* ── REFERRAL ───────────────────────────────────────────────────── */
.referral { background: var(--bg); }

.referral-box {
  background: var(--hero-bg);
  border: 1px solid var(--accent-light);
  border-radius: var(--radius);
  padding: 52px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.referral-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 28px;
}

.referral-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.step-text span {
  font-size: 13px;
  color: var(--text-muted);
}

.referral-bonus {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}

.bonus-emoji { font-size: 52px; margin-bottom: 16px; }

.bonus-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.bonus-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.bonus-highlight {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-dark);
  margin: 12px 0;
  display: block;
}

/* ── DOWNLOAD ───────────────────────────────────────────────────── */
.download { background: var(--bg-alt); }

.download-intro {
  background: var(--accent);
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.download-intro-text h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.download-intro-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.dl-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.dl-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(0,0,0,0.07);
  transform: translateY(-3px);
}

.dl-icon {
  width: 48px;
  height: 48px;
}

.dl-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.dl-version {
  font-size: 12px;
  color: var(--text-muted);
}

.dl-btn {
  display: block;
  width: 100%;
  padding: 10px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  margin-top: 6px;
  transition: background .2s;
  text-align: center;
}

.dl-btn:hover { background: var(--accent-dark); }

/* ── FAQ ────────────────────────────────────────────────────────── */
.faq { background: var(--bg); }

.faq-list {
  max-width: 760px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  padding: 18px 24px;
  background: var(--bg);
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: background .2s;
}

.faq-q:hover { background: var(--bg-alt); }

.faq-q::after {
  content: '+';
  font-size: 22px;
  color: var(--accent-dark);
  flex-shrink: 0;
  font-weight: 400;
  line-height: 1;
}

.faq-q.open::after { content: '−'; }

.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-a.open {
  max-height: 300px;
  padding: 0 24px 18px;
}

/* ── CTA SECTION ────────────────────────────────────────────────── */
.cta-section {
  background: var(--dark-section);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta-section .section-title { color: #fff; }

.cta-section .section-sub {
  color: rgba(255,255,255,0.7);
  margin: 0 auto 36px;
}

/* ── FOOTER ─────────────────────────────────────────────────────── */
.site-footer {
  background: #0a0a0a;
  color: rgba(255,255,255,0.5);
  padding: 40px 0 28px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color .2s;
}

.footer-nav a:hover { color: #fff; }

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* ── MOBILE MENU TOGGLE ─────────────────────────────────────────── */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .servers-grid { grid-template-columns: repeat(4, 1fr); }
  .hero-inner { gap: 40px; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .referral-box { grid-template-columns: 1fr; padding: 40px 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .download-grid { grid-template-columns: repeat(3, 1fr); }
  .download-intro { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .servers-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 360px; }
  .features-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  section { padding: 56px 0; }
  .hero { padding: 56px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .servers-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; justify-content: center; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .referral-box { padding: 28px 20px; }
}