/* Cyber Nexus Theme - Original Design for Telegram Download Site */
/* Deep Indigo/Navy base + Electric Blue accents + Clean geometric styling */

:root {
  --primary: #0088cc;
  --primary-light: #00a8ff;
  --primary-dark: #006699;
  --secondary: #6b4ee6;
  --accent: #00d4aa;
  --dark: #0a0e27;
  --dark-2: #12163a;
  --dark-3: #1a1f4b;
  --light: #f8fafc;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --gradient-hero: linear-gradient(135deg, #0a0e27 0%, #1a1f4b 50%, #12163a 100%);
  --gradient-accent: linear-gradient(135deg, #0088cc 0%, #6b4ee6 100%);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 20px rgba(0,136,204,0.3);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #334155;
  background: var(--light);
}

/* ========== Navigation ========== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-brand-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.5px;
}

.nav-brand-text span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 10px 20px;
  color: var(--gray);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(0,136,204,0.08);
}

.nav-link.active {
  color: white;
  background: var(--primary);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--dark);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  padding: 20px;
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: 8px;
}

.nav-mobile.show {
  display: flex;
}

.nav-mobile .nav-link {
  padding: 14px 20px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 14px rgba(0,136,204,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,136,204,0.4);
}

.btn-secondary {
  background: white;
  color: var(--dark);
  border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

.btn-outline-dark {
  background: transparent;
  color: var(--dark);
  border: 2px solid #e2e8f0;
}

.btn-outline-dark:hover {
  background: rgba(0,136,204,0.05);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 17px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

/* ========== Layout ========== */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.sec {
  padding: 80px 0;
}

.sec-dark {
  background: var(--gradient-hero);
  color: white;
}

.sec-alt {
  background: #f1f5f9;
}

.sec-head {
  text-align: center;
  margin-bottom: 60px;
}

.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0,136,204,0.1);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.sec-eyebrow svg {
  width: 16px;
  height: 16px;
}

.sec-dark .sec-eyebrow {
  background: rgba(255,255,255,0.1);
  color: var(--primary-light);
}

.sec-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.sec-title-light {
  color: white;
}

.sec-sub {
  font-size: 18px;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.sec-sub-light {
  color: var(--gray-light);
}

/* ========== Hero ========== */
.hero {
  padding: 140px 0 100px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,136,204,0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

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

.hero-text {
  color: white;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 14px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 30px;
}

.hero-badge-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title .hl {
  background: linear-gradient(135deg, #00a8ff, #6b4ee6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  gap: 30px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.hero-trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: var(--dark-3);
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5), var(--shadow-glow);
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1a1f4b 0%, #0a0e27 100%);
  border-radius: 32px;
  overflow: hidden;
  position: relative;
}

.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: var(--dark-3);
  border-radius: 0 0 16px 16px;
  z-index: 2;
}

.chat-bubble {
  position: absolute;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 13px;
  animation: float 3s ease-in-out infinite;
}

.chat-bubble.sent {
  background: var(--primary);
  color: white;
  right: 16px;
  top: 80px;
  animation-delay: 0s;
}

.chat-bubble.received {
  background: rgba(255,255,255,0.1);
  color: white;
  left: 16px;
  top: 160px;
  animation-delay: 0.5s;
}

.chat-bubble:nth-child(3) {
  right: 16px;
  top: 240px;
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ========== Features ========== */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feat-card {
  background: white;
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.feat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feat-card:hover::before {
  transform: scaleX(1);
}

.feat-icon {
  width: 56px;
  height: 56px;
  background: rgba(0,136,204,0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.feat-card:nth-child(2) .feat-icon { background: rgba(107,78,230,0.1); color: var(--secondary); }
.feat-card:nth-child(3) .feat-icon { background: rgba(0,212,170,0.1); color: var(--accent); }
.feat-card:nth-child(4) .feat-icon { background: rgba(245,158,11,0.1); color: #f59e0b; }
.feat-card:nth-child(5) .feat-icon { background: rgba(239,68,68,0.1); color: #ef4444; }
.feat-card:nth-child(6) .feat-icon { background: rgba(139,92,246,0.1); color: #8b5cf6; }

.feat-icon svg {
  width: 28px;
  height: 28px;
}

.feat-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.feat-desc {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
}

/* ========== Platform Cards ========== */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.plat-card {
  background: white;
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
  border: 2px solid transparent;
}

.plat-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.plat-card.featured {
  background: var(--gradient-hero);
  color: white;
  border: none;
}

.plat-card.featured .plat-name,
.plat-card.featured .plat-ver,
.plat-card.featured .plat-desc {
  color: white;
}

.plat-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 20px;
  margin-bottom: 16px;
}

.plat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,136,204,0.1);
  border-radius: 20px;
  color: var(--primary);
}

.plat-card.featured .plat-icon {
  background: rgba(255,255,255,0.2);
  color: white;
}

.plat-icon svg {
  width: 32px;
  height: 32px;
}

.plat-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.plat-ver {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 16px;
}

.plat-desc {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 20px;
  line-height: 1.6;
}

.plat-btn {
  width: 100%;
  margin-top: 8px;
}

/* ========== Deep Features ========== */
.deep-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.deep-row:last-child {
  margin-bottom: 0;
}

.deep-row.flip {
  direction: rtl;
}

.deep-row.flip > * {
  direction: ltr;
}

.deep-info {
  max-width: 500px;
}

.deep-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0,136,204,0.1);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
}

.deep-chip svg {
  width: 16px;
  height: 16px;
}

.deep-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.3;
}

.deep-desc {
  font-size: 17px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 24px;
}

.deep-list {
  list-style: none;
}

.deep-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  font-size: 15px;
  color: var(--gray);
  border-bottom: 1px solid #e2e8f0;
}

.deep-list-item:last-child {
  border-bottom: none;
}

.deep-list-dot {
  width: 22px;
  height: 22px;
  background: rgba(0,136,204,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--primary);
}

.deep-list-dot svg {
  width: 14px;
  height: 14px;
}

.deep-visual {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.dv-panel {
  background: var(--gradient-hero);
  border-radius: 16px;
  padding: 24px;
  color: white;
}

.dv-panel-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dv-bar-row {
  margin-bottom: 16px;
}

.dv-bar-row:last-child {
  margin-bottom: 0;
}

.dv-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 6px;
  color: rgba(255,255,255,0.8);
}

.dv-bar-track {
  height: 8px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  overflow: hidden;
}

.dv-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s ease;
}

.dv-bar-fill.bf-blue { background: var(--primary); width: 95%; }
.dv-bar-fill.bf-purple { background: var(--secondary); width: 85%; }
.dv-bar-fill.bf-teal { background: var(--accent); width: 75%; }
.dv-bar-fill.bf-amber { background: #f59e0b; width: 65%; }

.dv-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.dv-stat {
  text-align: center;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
}

.dv-stat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: 4px;
}

.dv-stat-lbl {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

/* ========== Stats Band ========== */
.stats-band {
  background: var(--gradient-hero);
  padding: 60px 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 48px;
  font-weight: 800;
  color: white;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #00a8ff, #6b4ee6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-lbl {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}

/* ========== Reviews ========== */
.rev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rev-card {
  background: white;
  border-radius: 20px;
  padding: 28px;
  transition: all 0.3s;
}

.rev-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.rev-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: #f59e0b;
}

.rev-stars svg {
  width: 18px;
  height: 18px;
}

.rev-text {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 24px;
}

.rev-footer {
  display: flex;
  align-items: center;
  gap: 14px;
}

.rev-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: white;
}

.rev-avatar.av-blue { background: linear-gradient(135deg, #0088cc, #006699); }
.rev-avatar.av-purple { background: linear-gradient(135deg, #6b4ee6, #5b21b6); }
.rev-avatar.av-teal { background: linear-gradient(135deg, #00d4aa, #059669); }
.rev-avatar.av-amber { background: linear-gradient(135deg, #f59e0b, #d97706); }
.rev-avatar.av-rose { background: linear-gradient(135deg, #f43f5e, #be123c); }
.rev-avatar.av-cyan { background: linear-gradient(135deg, #06b6d4, #0891b2); }

.rev-name {
  font-weight: 600;
  color: var(--dark);
}

.rev-role {
  font-size: 13px;
  color: var(--gray-light);
}

/* ========== Comparison Table ========== */
.cmp-wrap {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
}

.cmp-table th,
.cmp-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.cmp-table th {
  font-weight: 700;
  color: var(--dark);
  font-size: 15px;
  background: #f8fafc;
}

.cmp-table th:first-child {
  border-radius: 12px 0 0 12px;
}

.cmp-table th:last-child {
  border-radius: 0 12px 12px 0;
}

.cmp-table td {
  font-size: 15px;
  color: var(--gray);
}

.cmp-table .cmp-hl {
  background: rgba(0,136,204,0.03);
  font-weight: 600;
  color: var(--primary);
}

.cmp-yes {
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.cmp-no {
  color: var(--gray-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cmp-part {
  color: #f59e0b;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cmp-yes svg,
.cmp-no svg,
.cmp-part svg {
  width: 18px;
  height: 18px;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  transition: all 0.2s;
}

.faq-q:hover {
  color: var(--primary);
}

.faq-chevron {
  width: 24px;
  height: 24px;
  color: var(--gray);
  transition: transform 0.3s;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-a {
  max-height: 500px;
}

.faq-a-inner {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
}

/* ========== CTA Banner ========== */
.cta-banner {
  background: var(--gradient-hero);
  border-radius: 24px;
  padding: 60px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,136,204,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.1);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 500px;
  margin: 0 auto 32px;
}

/* ========== Download Page ========== */
.dl-hero {
  padding: 140px 0 80px;
  background: var(--gradient-hero);
  text-align: center;
  color: white;
}

.dl-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 15px;
  margin-bottom: 30px;
}

.dl-hero-tag-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
}

.dl-hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 20px;
}

.dl-hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto;
}

.dl-main-wrap {
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

.dl-main-card {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  max-width: 700px;
  margin: 0 auto 40px;
}

.dl-main-top {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e2e8f0;
}

.dl-main-icon {
  width: 72px;
  height: 72px;
  background: var(--gradient-accent);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.dl-main-icon svg {
  width: 36px;
  height: 36px;
}

.dl-main-info {
  flex: 1;
}

.dl-main-name {
  font-size: 26px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}

.dl-main-meta {
  font-size: 15px;
  color: var(--gray);
}

.dl-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.dl-spec {
  text-align: center;
  padding: 16px;
  background: #f8fafc;
  border-radius: 12px;
}

.dl-spec-label {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 6px;
}

.dl-spec-val {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
}

.dl-sec-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  background: rgba(0,212,170,0.1);
  border-radius: 12px;
  margin-bottom: 28px;
  color: #059669;
  font-size: 14px;
  font-weight: 600;
}

.dl-sec-badge svg {
  width: 20px;
  height: 20px;
}

.dl-main-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Other Platforms */
.op-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.op-card {
  background: white;
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
}

.op-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: #f1f5f9;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
}

.op-icon svg {
  width: 28px;
  height: 28px;
}

.op-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.op-ver {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 20px;
}

.op-steps {
  text-align: left;
  margin-bottom: 20px;
}

.op-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--gray);
  border-bottom: 1px solid #e2e8f0;
}

.op-step:last-child {
  border-bottom: none;
}

.op-step-n {
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* Guide Grid */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.guide-col-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
}

.guide-col-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.guide-col-dot.dot-blue { background: var(--primary); }
.guide-col-dot.dot-teal { background: var(--accent); }

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.gstep {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.gstep-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.gstep-num.gsn-blue { background: var(--primary); }
.gstep-num.gsn-teal { background: var(--accent); }

.gstep-body {
  flex: 1;
}

.gstep-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.gstep-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

/* Requirements */
.req-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.req-card {
  background: white;
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.req-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: rgba(0,136,204,0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.req-icon svg {
  width: 24px;
  height: 24px;
}

.req-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.req-val {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.5;
}

/* Version List */
.ver-list {
  max-width: 800px;
  margin: 0 auto;
}

.ver-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: white;
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.ver-dot-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ver-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ver-dot.vd-blue { background: var(--primary); }
.ver-dot.vd-teal { background: var(--accent); }
.ver-dot.vd-amber { background: #f59e0b; }
.ver-dot.vd-purple { background: var(--secondary); }
.ver-dot.vd-rose { background: #f43f5e; }

.ver-line {
  flex: 1;
  width: 2px;
  background: #e2e8f0;
  margin: 8px 0;
}

.ver-item:last-child .ver-line {
  display: none;
}

.ver-body {
  flex: 1;
}

.ver-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.ver-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
}

.ver-tag {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.ver-tag.vt-stable { background: rgba(0,212,170,0.1); color: #059669; }
.ver-tag.vt-beta { background: rgba(245,158,11,0.1); color: #d97706; }
.ver-tag.vt-lts { background: rgba(0,136,204,0.1); color: var(--primary); }

.ver-date {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 10px;
}

.ver-desc {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
}

/* Security Banner */
.sec-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: rgba(0,212,170,0.1);
  border-radius: 16px;
  border: 1px solid rgba(0,212,170,0.2);
}

.sec-banner-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.sec-banner-icon svg {
  width: 28px;
  height: 28px;
}

.sec-banner-text {
  flex: 1;
}

.sec-banner-title {
  font-size: 18px;
  font-weight: 700;
  color: #065f46;
  margin-bottom: 6px;
}

.sec-banner-desc {
  font-size: 14px;
  color: #047857;
  line-height: 1.6;
}

/* ========== Article Page ========== */
.art-hero {
  padding: 140px 0 60px;
  background: var(--gradient-hero);
  color: white;
}

.art-hero-crumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
}

.art-hero-crumb a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}

.art-hero-crumb a:hover {
  color: white;
}

.art-hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.art-hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 700px;
  line-height: 1.7;
}

.kw-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.kw {
  padding: 8px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
}

/* Article Layout */
.art-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  padding: 60px 0;
}

.art-body {
  max-width: 100%;
}

.art-body h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  margin: 48px 0 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid #e2e8f0;
}

.art-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin: 36px 0 18px;
}

.art-body p {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.9;
  margin-bottom: 20px;
}

.art-body ul,
.art-body ol {
  margin: 20px 0;
  padding-left: 24px;
}

.art-body li {
  font-size: 16px;
  color: var(--gray);
  line-height: 1.9;
  margin-bottom: 12px;
}

.inline-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(0,136,204,0.1), rgba(107,78,230,0.1));
  border-radius: 16px;
  margin: 32px 0;
  border-left: 4px solid var(--primary);
}

.inline-cta-body {
  flex: 1;
}

.inline-cta-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.inline-cta-desc {
  font-size: 15px;
  color: var(--gray);
}

/* Tips Grid */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 28px 0;
}

.tip-card {
  background: #f8fafc;
  border-radius: 16px;
  padding: 24px;
  border-left: 4px solid var(--primary);
}

.tip-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.tip-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.tip-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 90px;
  height: fit-content;
}

.sbox {
  background: white;
  border-radius: 20px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.sbox-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sbox-title svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.sdl-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: #f8fafc;
  border-radius: 12px;
  margin-bottom: 12px;
  text-decoration: none;
  transition: all 0.2s;
  border: 2px solid transparent;
}

.sdl-btn:hover {
  border-color: var(--primary);
  background: white;
}

.sdl-btn.primary {
  background: var(--gradient-accent);
  color: white;
}

.sdl-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,136,204,0.3);
}

.sdl-btn-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
}

.sdl-btn.primary .sdl-btn-icon {
  background: rgba(255,255,255,0.3);
}

.sdl-btn-icon svg {
  width: 20px;
  height: 20px;
}

.sdl-btn-info {
  flex: 1;
}

.sdl-btn-name {
  font-size: 15px;
  font-weight: 600;
  color: inherit;
  margin-bottom: 2px;
}

.sdl-btn-ver {
  font-size: 12px;
  opacity: 0.8;
}

.stoc {
  list-style: none;
  padding: 0;
}

.stoc li {
  margin-bottom: 4px;
}

.stoc a {
  display: block;
  padding: 10px 14px;
  color: var(--gray);
  text-decoration: none;
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.2s;
}

.stoc a:hover {
  background: #f1f5f9;
  color: var(--primary);
}

.sstat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sstat-item {
  text-align: center;
  padding: 16px;
  background: #f8fafc;
  border-radius: 12px;
}

.sstat-num {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.sstat-lbl {
  font-size: 12px;
  color: var(--gray);
}

.side-security {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(0,212,170,0.1);
  border-radius: 12px;
  font-size: 13px;
  color: #059669;
}

.side-security svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--dark);
  padding: 40px 0;
  text-align: center;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 18px;
  font-weight: 700;
  color: white;
}

.footer-brand svg {
  width: 28px;
  height: 28px;
}

.footer-security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--accent);
  font-weight: 500;
}

.footer-security svg {
  width: 18px;
  height: 18px;
}

.footer-note {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  line-height: 1.7;
}

/* ========== Animations ========== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .hero-trust {
    justify-content: center;
  }
  
  .deep-row,
  .deep-row.flip {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  
  .deep-row.flip > * {
    direction: ltr;
  }
  
  .deep-info {
    max-width: 100%;
  }
  
  .art-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .sbox {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .hero {
    padding: 120px 0 80px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .phone-mockup {
    width: 240px;
    height: 480px;
  }
  
  .sec {
    padding: 60px 0;
  }
  
  .sec-title {
    font-size: 28px;
  }
  
  .feat-grid,
  .plat-grid,
  .rev-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .stat-num {
    font-size: 36px;
  }
  
  .cmp-wrap {
    padding: 20px;
  }
  
  .dl-main-card {
    padding: 28px;
  }
  
  .dl-specs {
    grid-template-columns: 1fr;
  }
  
  .op-grid {
    grid-template-columns: 1fr;
  }
  
  .guide-grid {
    grid-template-columns: 1fr;
  }
  
  .req-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-banner {
    padding: 40px 24px;
  }
  
  .cta-title {
    font-size: 26px;
  }
  
  .sidebar {
    grid-template-columns: 1fr;
  }
  
  .tips-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }
  
  .dl-hero-title {
    font-size: 32px;
  }
  
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-lg {
    width: 100%;
  }
  
  .stats-row {
    grid-template-columns: 1fr;
  }
  
  .req-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== News Section - Homepage ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: white;
  border-radius: 20px;
  padding: 28px;
  transition: all 0.3s;
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.news-date {
  font-size: 13px;
  color: var(--gray-light);
}

.news-tag {
  padding: 4px 12px;
  background: rgba(0,136,204,0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
}

.news-card:nth-child(2) .news-tag {
  background: rgba(0,212,170,0.1);
  color: #059669;
}

.news-card:nth-child(3) .news-tag {
  background: rgba(107,78,230,0.1);
  color: var(--secondary);
}

.news-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-excerpt {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.news-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* News Section - News Page */
.news-list {
  max-width: 900px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 24px;
  padding: 28px;
  background: white;
  border-radius: 20px;
  margin-bottom: 20px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}

.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.news-item-image {
  width: 80px;
  height: 80px;
  background: rgba(0,136,204,0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.news-item:nth-child(2) .news-item-image {
  background: rgba(0,212,170,0.1);
  color: #059669;
}

.news-item:nth-child(3) .news-item-image {
  background: rgba(107,78,230,0.1);
  color: var(--secondary);
}

.news-item-image svg {
  width: 40px;
  height: 40px;
}

.news-item-content {
  flex: 1;
}

.news-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.news-item-date {
  font-size: 13px;
  color: var(--gray-light);
}

.news-item-tag {
  padding: 4px 12px;
  background: rgba(0,136,204,0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
}

.news-item:nth-child(2) .news-item-tag {
  background: rgba(0,212,170,0.1);
  color: #059669;
}

.news-item:nth-child(3) .news-item-tag {
  background: rgba(107,78,230,0.1);
  color: var(--secondary);
}

.news-item-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-item-excerpt {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 16px;
}

.news-item-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.news-item-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* Article Page Styles */
.article-wrap {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--shadow);
}

.article-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid #e2e8f0;
}

.article-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0,136,204,0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.article-date {
  font-size: 14px;
  color: var(--gray-light);
  margin-bottom: 20px;
}

.article-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.4;
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--gray);
}

.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin: 32px 0 16px;
}

.article-content p {
  margin-bottom: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 14px;
}

.breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb span {
  color: var(--gray-light);
}

.breadcrumb-current {
  color: var(--dark);
  font-weight: 600;
}

/* News Responsive */
@media (max-width: 768px) {
  .news-grid {
    grid-template-columns: 1fr;
  }

  .news-item {
    flex-direction: column;
    gap: 16px;
  }

  .news-item-image {
    width: 60px;
    height: 60px;
  }

  .news-item-title {
    font-size: 18px;
  }

  .article-wrap {
    padding: 24px;
  }

  .article-title {
    font-size: 22px;
  }
}