/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #333; line-height: 1.6; background: #fff; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; }

/* ===== Variables ===== */
:root {
  --primary: #1e3a5f;
  --primary-dark: #0f2440;
  --accent: #ff6b35;
  --accent-hover: #e55a28;
  --teal: #00c9a7;
  --bg-light: #f8f9fa;
  --bg-dark: #0d1b2a;
  --text-dark: #1a1a2e;
  --text-muted: #6c757d;
  --white: #ffffff;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
  --radius: 12px;
  --max-width: 1200px;
}

/* ===== Container ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== Header / Navigation ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: all 0.3s;
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.3rem; color: var(--primary); }
.logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--accent), var(--teal)); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 900; font-size: 1.1rem; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-size: 0.95rem; font-weight: 500; color: var(--text-dark); transition: color 0.3s; }
.nav a:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent); color: #fff !important; padding: 10px 24px;
  border-radius: 25px; font-weight: 600; transition: all 0.3s;
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--text-dark); transition: 0.3s; }

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #2d5a8e 100%);
  position: relative; overflow: hidden; padding: 100px 20px 60px;
  text-align: center;
}
.hero::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(0,201,167,0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(255,107,53,0.08) 0%, transparent 50%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero h1 { font-size: 3.2rem; font-weight: 800; color: #fff; margin-bottom: 20px; line-height: 1.2; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.85); margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 40px; }
.hero-tag {
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 18px; border-radius: 25px; color: #fff; font-size: 0.9rem; font-weight: 500;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent); color: #fff; padding: 16px 40px;
  border-radius: 30px; font-size: 1.1rem; font-weight: 700;
  display: inline-block; transition: all 0.3s; box-shadow: 0 4px 15px rgba(255,107,53,0.4);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,0.5); }
.btn-secondary {
  background: transparent; color: #fff; padding: 16px 40px;
  border-radius: 30px; font-size: 1.1rem; font-weight: 600;
  border: 2px solid rgba(255,255,255,0.4); display: inline-block; transition: all 0.3s;
}
.btn-secondary:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* ===== Trust Section ===== */
.trust {
  background: var(--white); padding: 60px 20px;
  border-bottom: 1px solid #eee;
}
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px;
  text-align: center;
}
.trust-item { padding: 20px; }
.trust-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.trust-label { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }

/* ===== Section Common ===== */
.section { padding: 80px 20px; }
.section-light { background: var(--bg-light); }
.section-dark { background: var(--bg-dark); color: #fff; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2.2rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.section-dark .section-title h2 { color: #fff; }
.section-title p { font-size: 1.1rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.section-dark .section-title p { color: rgba(255,255,255,0.7); }

/* ===== Feature Cards ===== */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
  max-width: var(--max-width); margin: 0 auto;
}
.feature-card {
  background: #fff; border-radius: var(--radius); padding: 35px 25px;
  text-align: center; box-shadow: var(--shadow); transition: all 0.3s;
  border: 1px solid #f0f0f0;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.feature-icon { font-size: 2.5rem; margin-bottom: 18px; }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.feature-card p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; }

/* ===== Server Map Section ===== */
.server-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 80px 20px; text-align: center; }
.server-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 900px; margin: 40px auto 0; }
.server-stat { padding: 20px; }
.server-stat .number { font-size: 2.8rem; font-weight: 800; color: var(--teal); }
.server-stat .label { font-size: 0.95rem; color: rgba(255,255,255,0.8); margin-top: 5px; }
.server-regions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 40px; max-width: 800px; margin-left: auto; margin-right: auto; }
.region-tag {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px; border-radius: 20px; font-size: 0.85rem; color: rgba(255,255,255,0.9);
}

/* ===== Download Section ===== */
.download-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
  max-width: 900px; margin: 0 auto;
}
.download-card {
  background: #fff; border-radius: var(--radius); padding: 30px 15px;
  text-align: center; box-shadow: var(--shadow); transition: all 0.3s;
  border: 1px solid #f0f0f0;
}
.download-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.download-icon { font-size: 2.5rem; margin-bottom: 12px; }
.download-card h4 { font-size: 1rem; font-weight: 600; color: var(--primary); margin-bottom: 15px; }
.download-btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 10px 24px; border-radius: 25px; font-size: 0.9rem; font-weight: 600;
  transition: all 0.3s;
}
.download-btn:hover { background: var(--accent-hover); }

/* ===== Pricing Section ===== */
.pricing-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  max-width: var(--max-width); margin: 0 auto;
}
.pricing-card {
  background: #fff; border-radius: var(--radius); padding: 35px 20px;
  text-align: center; box-shadow: var(--shadow); transition: all 0.3s;
  border: 2px solid #f0f0f0; position: relative;
}
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.pricing-card.featured { border-color: var(--accent); transform: scale(1.05); }
.pricing-card.featured:hover { transform: scale(1.05) translateY(-5px); }
.pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; padding: 4px 16px;
  border-radius: 15px; font-size: 0.8rem; font-weight: 700;
}
.pricing-name { font-size: 1.1rem; font-weight: 600; color: var(--text-muted); margin-bottom: 10px; }
.pricing-price { font-size: 2.5rem; font-weight: 800; color: var(--primary); margin-bottom: 5px; }
.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
.pricing-features { margin: 20px 0; text-align: left; }
.pricing-features li { padding: 8px 0; font-size: 0.9rem; color: var(--text-muted); border-bottom: 1px solid #f5f5f5; }
.pricing-features li::before { content: '\2713'; color: var(--teal); font-weight: 700; margin-right: 8px; }
.pricing-btn {
  display: inline-block; width: 100%; padding: 14px;
  border-radius: 25px; font-size: 1rem; font-weight: 600;
  transition: all 0.3s; text-align: center;
}
.pricing-btn-outline { border: 2px solid var(--primary); color: var(--primary); }
.pricing-btn-outline:hover { background: var(--primary); color: #fff; }
.pricing-btn-filled { background: var(--accent); color: #fff; }
.pricing-btn-filled:hover { background: var(--accent-hover); }

/* ===== Testimonials ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; max-width: var(--max-width); margin: 0 auto; }
.testimonial-card { background: #fff; border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.testimonial-stars { color: #ffc107; font-size: 1.1rem; margin-bottom: 15px; }
.testimonial-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--teal)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 1rem; }
.testimonial-name { font-weight: 600; font-size: 0.9rem; color: var(--text-dark); }
.testimonial-role { font-size: 0.8rem; color: var(--text-muted); }

/* ===== FAQ Section ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: var(--radius); margin-bottom: 16px; box-shadow: var(--shadow); overflow: hidden; border: 1px solid #f0f0f0; }
.faq-question {
  display: block; padding: 20px 25px; font-weight: 600; font-size: 1.05rem;
  color: var(--primary); cursor: pointer; transition: background 0.3s;
}
.faq-question:hover { background: var(--bg-light); }
.faq-answer { padding: 0 25px 20px; }
.faq-answer p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 10px; }
.faq-answer ol { padding-left: 20px; }
.faq-answer ol li { font-size: 0.95rem; color: var(--text-muted); line-height: 1.8; padding: 4px 0; list-style: decimal; }

/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 60px 20px 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; max-width: var(--max-width); margin: 0 auto; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-top: 15px; color: rgba(255,255,255,0.6); }
.footer-col h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.6); padding: 5px 0; transition: color 0.3s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { text-align: center; padding-top: 30px; margin-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); max-width: var(--max-width); margin-left: auto; margin-right: auto; }
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.5); }

/* ===== Page Header (for inner pages) ===== */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 120px 20px 60px; text-align: center; color: #fff;
}
.page-header h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 12px; }
.page-header p { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto; }

/* ===== Content Page ===== */
.content-page { padding: 60px 20px; max-width: 900px; margin: 0 auto; }
.content-page h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 30px 0 15px; }
.content-page h3 { font-size: 1.2rem; font-weight: 600; color: var(--primary); margin: 20px 0 10px; }
.content-page p { font-size: 1rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 15px; }
.content-page ul, .content-page ol { padding-left: 20px; margin-bottom: 15px; }
.content-page ul li, .content-page ol li { font-size: 1rem; color: var(--text-muted); line-height: 1.8; padding: 4px 0; }
.content-page ul li { list-style: disc; }
.content-page ol li { list-style: decimal; }

/* ===== Payment Methods ===== */
.payment-methods { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-top: 30px; }
.payment-tag { background: var(--bg-light); padding: 8px 18px; border-radius: 20px; font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured { transform: scale(1); }
  .pricing-card.featured:hover { transform: translateY(-5px); }
  .download-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .mobile-toggle { display: flex; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .server-stats { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-title h2 { font-size: 1.8rem; }
  .page-header h1 { font-size: 2rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .download-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
}