/* Tumbler VPN — style.css */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');

:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --accent: #a78bfa;
  --dark: #1a1035;
  --header-bg: #1a1035;
  --bg: #ffffff;
  --surface: #f5f3ff;
  --surface-2: #ede9fe;
  --text: #1a1035;
  --text-muted: #4c4475;
  --green: #10b981;
  --border: #ddd6fe;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-card: 0 2px 14px rgba(124,58,237,.10), 0 1px 3px rgba(0,0,0,.05);
  --shadow-lg: 0 8px 32px rgba(124,58,237,.15);
  --transition: 0.2s ease;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; max-width: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4 { margin-top: 0; line-height: 1.25; }

/* ─── HEADER ─── */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--header-bg);
  border-bottom: 2px solid var(--accent);
}
.nav {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 0 var(--space-sm);
  height: 64px; gap: var(--space-sm);
}
.brand { display: flex; align-items: center; flex-shrink: 0; }
.logo { height: 36px; width: auto; max-width: 160px; object-fit: contain; }
.nav-links {
  display: flex; align-items: center; gap: 4px;
  flex: 1; justify-content: center;
}
.nav-links > li > a {
  color: rgba(255,255,255,.85); font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links > li > a:hover { color: #fff; background: rgba(255,255,255,.1); text-decoration: none; }
.nav-right { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; margin-left: auto; }
.mobile-lang { display: none; }

/* ─── CTA BUTTON ─── */
.btn-cta {
  background: var(--primary); color: #fff;
  padding: 10px 20px; border-radius: var(--radius-md);
  font-size: 14px; font-weight: 700;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap; display: inline-block;
}
.btn-cta:hover { background: var(--primary-dark); text-decoration: none; transform: translateY(-1px); }
.btn-cta.btn-lg { padding: 16px 40px; font-size: 18px; border-radius: var(--radius-lg); }

/* ─── HAMBURGER ─── */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  color: #fff; font-size: 22px; padding: 6px; order: 99;
}

/* ─── HERO ─── */
.hero {
  background: linear-gradient(135deg, #1a1035 0%, #2d1868 60%, #5b21b6 100%);
  color: #fff; text-align: center;
  padding: var(--space-xl) var(--space-sm) calc(var(--space-xl) + 20px);
}
.hero-inner { max-width: 820px; margin: 0 auto; }
.badge {
  display: inline-block;
  background: rgba(167,139,250,.18); border: 1px solid rgba(167,139,250,.45);
  color: #c4b5fd; padding: 6px 18px; border-radius: 100px;
  font-size: 13px; font-weight: 600; margin-bottom: var(--space-md);
}
.hero h1 { font-size: clamp(28px, 5vw, 54px); font-weight: 800; margin-bottom: var(--space-sm); color: #fff; }
.hero p { font-size: clamp(16px, 2.5vw, 20px); color: rgba(255,255,255,.82); margin-bottom: var(--space-lg); max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-cta { margin-bottom: var(--space-sm); }
.hero-sub { font-size: 13px; color: rgba(255,255,255,.55); margin: 0; }

/* ─── FEATURES ─── */
.features { padding: var(--space-xl) var(--space-sm); background: var(--bg); }
.section-head { text-align: center; max-width: 700px; margin: 0 auto var(--space-lg); }
.section-head h2 { font-size: clamp(24px, 4vw, 40px); font-weight: 800; margin-bottom: var(--space-sm); }
.section-head p { font-size: 17px; color: var(--text-muted); }
.feature-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-md);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.feature-card i { font-size: 28px; color: var(--primary); margin-bottom: 12px; display: block; }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.65; }

/* ─── SPLIT SECTION ─── */
.split-section { padding: var(--space-xl) var(--space-sm); background: var(--surface); }
.split-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-lg); align-items: center;
}
.split-text h2 { font-size: clamp(22px, 3.5vw, 36px); font-weight: 800; margin-bottom: var(--space-sm); }
.split-text p { color: var(--text-muted); margin-bottom: var(--space-sm); font-size: 15px; line-height: 1.75; }
.split-cta { margin-top: var(--space-md); }
.split-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.split-img img { width: 100%; height: 340px; object-fit: cover; }

/* ─── STATS BAR ─── */
.stats-bar { background: var(--primary); color: #fff; padding: var(--space-lg) var(--space-sm); }
.stats-inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; justify-content: space-around; align-items: center;
  flex-wrap: wrap; gap: var(--space-md);
}
.stat { text-align: center; }
.stat-num { display: block; font-size: clamp(26px, 4vw, 42px); font-weight: 900; line-height: 1; }
.stat-label { display: block; font-size: 13px; opacity: .8; margin-top: 6px; text-transform: uppercase; letter-spacing: .5px; }

/* ─── APPS SECTION ─── */
.apps-section { padding: var(--space-xl) var(--space-sm); }
.apps-grid {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}
.app-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: var(--space-sm);
  text-align: center; transition: box-shadow var(--transition);
}
.app-item:hover { box-shadow: var(--shadow-card); }
.app-item i { font-size: 28px; color: var(--primary); margin-bottom: 8px; display: block; }
.app-item span { font-size: 13px; font-weight: 600; display: block; }

/* ─── STEPS SECTION ─── */
.steps-section { padding: var(--space-xl) var(--space-sm); background: var(--surface); }
.steps-grid {
  max-width: 900px; margin: 0 auto var(--space-lg);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.step { text-align: center; padding: var(--space-md); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary); color: #fff;
  font-size: 22px; font-weight: 800; margin-bottom: var(--space-sm);
}
.step h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-muted); }
.section-cta { text-align: center; }

/* ─── FAQ ─── */
.faq { padding: var(--space-xl) var(--space-sm); background: var(--bg); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; background: none; border: none; text-align: left;
  padding: var(--space-sm) 0; font-size: 16px; font-weight: 600;
  cursor: pointer; color: var(--text);
}
.faq-a { display: none; padding: 0 0 var(--space-sm); font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-a { display: block; }

/* ─── FINAL CTA ─── */
.final-cta-section { padding: var(--space-xl) var(--space-sm); text-align: center; }
.final-cta-inner {
  max-width: 700px; margin: 0 auto;
  background: linear-gradient(135deg, #1a1035, #5b21b6);
  border-radius: var(--radius-xl); padding: var(--space-xl) var(--space-lg);
  color: #fff;
}
.final-cta-inner h2 { font-size: clamp(22px, 4vw, 36px); font-weight: 800; color: #fff; margin-bottom: var(--space-sm); }
.final-cta-inner p { color: rgba(255,255,255,.75); margin-bottom: var(--space-md); }

/* ─── PAGE HERO ─── */
.page-hero {
  background: linear-gradient(135deg, #1a1035 0%, #2d1868 100%);
  color: #fff; text-align: center;
  padding: 72px var(--space-sm) var(--space-xl);
}
.page-hero-inner { max-width: 700px; margin: 0 auto; }
.page-hero h1 { font-size: clamp(26px, 4vw, 44px); font-weight: 800; color: #fff; margin-bottom: var(--space-sm); }
.page-hero p { font-size: 17px; color: rgba(255,255,255,.75); }

/* ─── PROSE ─── */
.prose { padding: var(--space-xl) var(--space-sm); }
.prose-inner { max-width: 800px; margin: 0 auto; font-size: 15px; line-height: 1.8; }
.prose-inner h2 { font-size: 22px; margin-top: 40px; margin-bottom: 12px; }
.prose-inner p, .prose-inner li { color: var(--text-muted); margin-bottom: 14px; }
.prose-inner ol { padding-left: 24px; }
.prose-inner ol li { margin-bottom: 10px; }
.prose-inner a { color: var(--primary); }
.prose-inner a:hover { text-decoration: underline; }

/* ─── FOOTER ─── */
.site-footer {
  background: var(--dark); color: rgba(255,255,255,.7);
  padding: var(--space-xl) var(--space-sm) var(--space-md);
}
.footer-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg); margin-bottom: var(--space-xl);
}
.footer-brand .logo-footer { height: 36px; width: auto; filter: brightness(0) invert(1); margin-bottom: var(--space-sm); }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 13px; font-weight: 700; margin-bottom: var(--space-sm); text-transform: uppercase; letter-spacing: .5px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: 14px; transition: color var(--transition); }
.footer-col ul li a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,.1); padding-top: var(--space-sm);
}
.footer-bottom p { font-size: 13px; margin: 0; }

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .nav { padding: 0 8px; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: center;
    background: var(--header-bg);
    box-shadow: 0 8px 16px rgba(0,0,0,.24);
    padding: 12px 0; z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links > li { width: 100%; text-align: center; }
  .nav-links > li > a { display: block; width: 100%; padding: 14px 0; font-size: 17px; }
  .nav-right .btn-cta { display: none; }
  .nav-toggle { display: block; }
  .mobile-lang { display: flex; justify-content: center; gap: 16px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.12); width: 100%; }
  .split-inner { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .btn-cta.btn-lg { display: block; width: max-content; max-width: 90%; margin: 0 auto; text-align: center; }
  .final-cta-inner { padding: var(--space-lg) var(--space-sm); }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-inner { flex-direction: column; gap: var(--space-md); }
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
}