/* ==========================================================================
   OuO Network - Tactile Hydro-Gel Fluid-Glassmorphic Luxury UI
   Palette: Cashmere Milk-White (#fbfbfa) | Liquid-Crystal Quartz | Icy Mint Cyan (#00f5d4)
   Typography: Midnight (#111827)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Hydro-Gel Palette (Default: Pristine Light Mode)
   -------------------------------------------------------------------------- */
:root {
  /* Pristine Cashmere & Quartz Light Palette */
  --bg-primary: #fbfbfa;
  --bg-subtle: #f4f4f2;
  --bg-glass-base: rgba(255, 255, 255, 0.68);
  --bg-glass-elevated: rgba(255, 255, 255, 0.82);
  --bg-glass-card: rgba(255, 255, 255, 0.72);
  --bg-glass-pill: rgba(255, 255, 255, 0.88);
  --bg-glass-thaw: rgba(255, 255, 255, 0.95);

  /* Midnight Typography */
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --text-inverse: #ffffff;

  /* Icy Mint Cyan & Liquid Gradients */
  --icy-mint: #00f5d4;
  --icy-mint-deep: #00c4a7;
  --icy-mint-glow: rgba(0, 245, 212, 0.28);
  --icy-mint-subtle: rgba(0, 245, 212, 0.08);

  --accent-blue: #0284c7;
  --accent-indigo: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #00f5d4 0%, #0284c7 50%, #4f46e5 100%);
  --accent-text-gradient: linear-gradient(135deg, #0284c7 0%, #00c4a7 50%, #111827 100%);
  --gel-gradient: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 253, 250, 0.7) 100%);

  /* Liquid Refractive Bevels & Viscoelastic Drop Shadows */
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-border-subtle: rgba(229, 231, 235, 0.65);
  --glass-bevel: inset 0 1.5px 2px rgba(255, 255, 255, 0.95), inset 0 -1.5px 2px rgba(0, 0, 0, 0.02);
  
  --shadow-droplet: 0 4px 20px -2px rgba(17, 24, 39, 0.04), 0 2px 6px -1px rgba(17, 24, 39, 0.02);
  --shadow-slab: 0 16px 36px -4px rgba(17, 24, 39, 0.06), 0 6px 16px -2px rgba(17, 24, 39, 0.03);
  --shadow-slab-hover: 0 24px 48px -6px rgba(0, 245, 212, 0.16), 0 12px 24px -3px rgba(2, 132, 199, 0.08);
  --shadow-mint-glow: 0 0 28px rgba(0, 245, 212, 0.45);

  /* Layout & Geometry (Spacious 32px Pill Glass Slabs) */
  --header-height: 76px;
  --container-width: 1240px;
  --radius-slab: 32px;
  --radius-card: 24px;
  --radius-pill: 9999px;
  --radius-sm: 12px;

  /* Fluid Spring Dynamics */
  --spring-physics: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  --bounce-physics: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s ease;
}

/* --------------------------------------------------------------------------
   2. Dark Mode: Deep Liquid Obsidian & Luminescent Icy Mint
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  --bg-primary: #070a11;
  --bg-subtle: #0d121d;
  --bg-glass-base: rgba(15, 23, 42, 0.72);
  --bg-glass-elevated: rgba(23, 32, 51, 0.85);
  --bg-glass-card: rgba(17, 25, 40, 0.75);
  --bg-glass-pill: rgba(26, 38, 62, 0.82);
  --bg-glass-thaw: rgba(22, 33, 54, 0.95);

  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --text-inverse: #070a11;

  --icy-mint: #00f5d4;
  --icy-mint-deep: #00f5d4;
  --icy-mint-glow: rgba(0, 245, 212, 0.35);
  --icy-mint-subtle: rgba(0, 245, 212, 0.12);

  --accent-text-gradient: linear-gradient(135deg, #00f5d4 0%, #38bdf8 60%, #ffffff 100%);
  --gel-gradient: linear-gradient(135deg, rgba(30, 41, 59, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);

  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-subtle: rgba(255, 255, 255, 0.08);
  --glass-bevel: inset 0 1px 1px rgba(255, 255, 255, 0.18), inset 0 -1px 1px rgba(0, 0, 0, 0.35);

  --shadow-droplet: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-slab: 0 18px 40px -4px rgba(0, 0, 0, 0.6);
  --shadow-slab-hover: 0 24px 50px -4px rgba(0, 245, 212, 0.25), 0 12px 24px -2px rgba(0, 0, 0, 0.6);
  --shadow-mint-glow: 0 0 35px rgba(0, 245, 212, 0.5);
}

/* --------------------------------------------------------------------------
   3. Base Reset & Smooth Dynamics
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--spring-physics), color var(--spring-physics);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* Fluid Droplet Ripple Effect Container */
.hydro-ripple {
  position: relative;
  overflow: hidden;
}

.ripple-drop {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.45) 0%, rgba(2, 132, 199, 0) 70%);
  transform: scale(0);
  animation: droplet-ripple 0.65s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
}

@keyframes droplet-ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   4. Layout Containers & Section Typography
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

.section {
  padding-top: 104px;
  padding-bottom: 104px;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: var(--bg-glass-pill);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 18px;
  white-space: nowrap;
}

.section-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--icy-mint);
  box-shadow: 0 0 10px var(--icy-mint);
  animation: pulse-dot 2.2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.section-title {
  font-size: 2.45rem;
  font-weight: 850;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-gradient {
  background: var(--accent-text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --------------------------------------------------------------------------
   5. Fluid-Glass 32px Slabs & Cards
   -------------------------------------------------------------------------- */
.glass-slab {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  transition: all var(--spring-physics);
  position: relative;
}

.glass-slab:hover {
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   6. Tactile Hydro-Gel Buttons & CTA
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.98rem;
  font-weight: 650;
  line-height: 1;
  padding: 14px 28px;
  min-height: 48px;
  border-radius: var(--radius-pill);
  transition: all var(--bounce-physics);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, #00f5d4 0%, #0284c7 100%);
  color: #08121f;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 24px -4px rgba(0, 245, 212, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 30px -4px rgba(0, 245, 212, 0.6), 0 0 20px rgba(0, 245, 212, 0.4);
  color: #030a13;
}

.btn-primary:active {
  transform: translateY(1px) scale(0.98);
}

.btn-secondary {
  background: var(--bg-glass-elevated);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
}

.btn-secondary:hover {
  background: var(--bg-glass-thaw);
  border-color: var(--icy-mint);
  transform: translateY(-2px);
  color: var(--text-primary);
  box-shadow: 0 10px 24px -2px rgba(0, 0, 0, 0.08);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  min-height: 38px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
  min-height: 54px;
}

.btn-full {
  width: 100%;
}

/* --------------------------------------------------------------------------
   7. Navigation Header (Liquid Crystal Navbar with Anchor Transitions)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-glass-base);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1px solid var(--glass-border-subtle);
  z-index: 1000;
  transition: all var(--spring-physics);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 850;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(101, 73, 231, 0.35);
  transition: transform var(--bounce-physics), box-shadow var(--spring-physics);
  display: block;
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(101, 73, 231, 0.55);
}

/* Viscoelastic Droplet Brand Emblem */
.brand-hydro-emblem {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.85) 0%, rgba(2, 132, 199, 0.85) 100%);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #06111e;
  box-shadow: inset 0 1.5px 2px rgba(255, 255, 255, 0.8), 0 4px 14px rgba(0, 245, 212, 0.4);
  transition: transform var(--bounce-physics);
}

.brand-logo:hover .brand-hydro-emblem {
  transform: scale(1.08) rotate(4deg);
}

/* Nav directory with smooth transition */
.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  flex-shrink: 0;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 550;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  transition: all var(--spring-physics);
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--icy-mint-subtle);
}

/* Active anchor item indicator */
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass-elevated);
  box-shadow: var(--glass-bevel), 0 2px 8px rgba(0, 0, 0, 0.04);
  font-weight: 700;
}

.nav-badge-new {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background: var(--icy-mint);
  color: #08121f;
  margin-left: 4px;
  vertical-align: top;
  box-shadow: 0 0 8px rgba(0, 245, 212, 0.6);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   8. Tactile Glassmorphic Day/Night Switcher Button
   -------------------------------------------------------------------------- */
.theme-toggle-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: var(--bg-glass-pill);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--bounce-physics);
  cursor: pointer;
  outline: none;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), 0 0 16px var(--icy-mint-glow);
  color: var(--icy-mint-deep);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--bounce-physics), opacity var(--spring-physics);
  position: absolute;
}

/* Day Mode State */
.icon-sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}
.icon-moon {
  opacity: 0;
  transform: scale(0.3) rotate(-100deg);
}

/* Dark Mode State */
[data-theme="dark"] .icon-sun {
  opacity: 0;
  transform: scale(0.3) rotate(100deg);
}
[data-theme="dark"] .icon-moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass-pill);
  border: 1px solid var(--glass-border);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   9. Hero Section: "OuO" Liquid Glass Refractive Orbs Motif
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--header-height) + 52px);
  padding-bottom: 96px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Hydrodynamic ambient mesh aura */
.hero-ambient-mesh {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 520px;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.18) 0%, rgba(2, 132, 199, 0.12) 40%, rgba(251, 251, 250, 0) 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(50px);
}

[data-theme="dark"] .hero-ambient-mesh {
  background: radial-gradient(circle, rgba(0, 245, 212, 0.22) 0%, rgba(2, 132, 199, 0.15) 50%, rgba(7, 10, 17, 0) 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 0 auto;
}

/* The "OuO" Motif: 3 Floating Ultra-Clear Liquid Glass Orbs */
.ouo-liquid-motif {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-bottom: 30px;
  perspective: 800px;
}

.liquid-orb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--text-primary);
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.95), rgba(204, 251, 241, 0.45) 55%, rgba(2, 132, 199, 0.25) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.9), inset -2px -2px 6px rgba(0, 245, 212, 0.3), 0 12px 28px rgba(0, 245, 212, 0.25);
  transition: transform var(--bounce-physics), border-color var(--spring-physics);
  cursor: pointer;
  user-select: none;
}

[data-theme="dark"] .liquid-orb {
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.35), rgba(0, 245, 212, 0.2) 55%, rgba(15, 23, 42, 0.7) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.5), inset -2px -2px 6px rgba(0, 245, 212, 0.4), 0 12px 32px rgba(0, 245, 212, 0.35);
}

.liquid-orb-o {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  font-size: 1.6rem;
  animation: orb-wobble-1 5s infinite ease-in-out;
}

.liquid-orb-u {
  width: 52px;
  height: 52px;
  border-radius: 46%;
  font-size: 1.35rem;
  animation: orb-wobble-2 4.5s infinite ease-in-out;
}

@keyframes orb-wobble-1 {
  0%, 100% { border-radius: 50% 50% 50% 50% / 50% 50% 50% 50%; transform: translateY(0) rotate(0deg); }
  33% { border-radius: 55% 45% 52% 48% / 48% 54% 46% 52%; transform: translateY(-5px) rotate(2deg); }
  66% { border-radius: 46% 54% 48% 52% / 54% 46% 53% 47%; transform: translateY(3px) rotate(-2deg); }
}

@keyframes orb-wobble-2 {
  0%, 100% { border-radius: 48% 52% 52% 48% / 52% 48% 48% 52%; transform: translateY(0); }
  50% { border-radius: 53% 47% 48% 52% / 47% 53% 52% 48%; transform: translateY(-7px) scale(1.03); }
}

.liquid-orb:hover {
  transform: scale(1.18) !important;
  box-shadow: 0 0 35px var(--icy-mint-glow);
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.hero-intro {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 38px auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}

/* Verified Telemetry Glass Pill */
.hero-telemetry-slab {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 28px 36px;
  max-width: 1040px;
  margin: 0 auto;
}

.telemetry-item {
  text-align: center;
  position: relative;
}

.telemetry-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -9px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--glass-border-subtle);
}

.telemetry-value {
  font-size: 2.1rem;
  font-weight: 850;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.telemetry-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 550;
}

/* --------------------------------------------------------------------------
   10. Core Advantages: Thawing Frosted Glass Layer Micro-Interactions
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.thaw-server-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all var(--spring-physics);
}

/* Frosted glass overlay that smoothly thaws on hover */
.thaw-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.05) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: none;
  opacity: 0.75;
  transition: opacity var(--spring-physics), backdrop-filter var(--spring-physics);
  z-index: 1;
}

[data-theme="dark"] .thaw-overlay {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.3) 0%, rgba(15, 23, 42, 0.05) 100%);
  opacity: 0.65;
}

.thaw-server-card:hover .thaw-overlay {
  opacity: 0;
  backdrop-filter: blur(0px);
}

.thaw-server-card:hover {
  transform: translateY(-8px);
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
}

.thaw-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.thaw-icon-wrapper {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  background: var(--icy-mint-subtle);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 24px;
  transition: all var(--bounce-physics);
}

.thaw-server-card:hover .thaw-icon-wrapper {
  background: var(--icy-mint);
  color: #06121f;
  transform: scale(1.1) rotate(6deg);
  box-shadow: 0 0 20px var(--icy-mint-glow);
}

.thaw-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.thaw-card-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 24px;
  flex-grow: 1;
}

/* Verified Latency Stats revealed in crystal-clear optical focus */
.thaw-latency-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-glass-pill);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--glass-bevel);
}

.latency-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--icy-mint-deep);
  font-weight: 750;
}

/* --------------------------------------------------------------------------
   11. Showcase Cards: Streaming & AI Support
   -------------------------------------------------------------------------- */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.showcase-slab {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 44px 38px;
  position: relative;
  overflow: hidden;
  transition: all var(--spring-physics);
}

.showcase-slab:hover {
  transform: translateY(-6px);
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
}

.showcase-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 750;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.showcase-tag-media {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.showcase-tag-ai {
  background: rgba(0, 245, 212, 0.12);
  color: #00c4a7;
  border: 1px solid rgba(0, 245, 212, 0.3);
}

.showcase-title {
  font-size: 1.75rem;
  font-weight: 850;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.showcase-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 28px;
}

.showcase-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.showcase-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--bg-glass-pill);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--text-primary);
  box-shadow: var(--glass-bevel);
  transition: transform var(--transition-fast);
}

.showcase-badge-pill:hover {
  transform: translateY(-2px);
  border-color: var(--icy-mint);
}

.showcase-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.showcase-point {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.showcase-point svg {
  width: 18px;
  height: 18px;
  color: var(--icy-mint-deep);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   12. Pricing Table (Realistic Market Pricing & Tactile Glass Bevels)
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.pricing-slab {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--spring-physics);
}

.pricing-slab:hover {
  transform: translateY(-8px);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
  border-color: var(--icy-mint);
}

.pricing-slab.featured {
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), 0 20px 48px -4px rgba(0, 245, 212, 0.28);
  transform: scale(1.03);
  z-index: 3;
}

.pricing-slab.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.featured-ribbon {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #00f5d4 0%, #0284c7 100%);
  color: #06121f;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 18px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 14px rgba(0, 245, 212, 0.4);
  white-space: nowrap;
  pointer-events: none;
  z-index: 5;
}

.plan-header {
  text-align: center;
  margin-bottom: 24px;
}

.plan-name {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-price-wrapper {
  margin: 22px 0;
  text-align: center;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 750;
  color: var(--accent-blue);
  vertical-align: top;
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.04em;
}

.price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.price-equiv {
  display: block;
  font-size: 0.825rem;
  color: var(--icy-mint-deep);
  font-weight: 600;
  margin-top: 6px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 30px 0;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.935rem;
  color: var(--text-secondary);
}

.plan-feature-item svg {
  width: 18px;
  height: 18px;
  color: var(--icy-mint-deep);
  flex-shrink: 0;
}

.plan-feature-item.disabled {
  color: var(--text-muted);
  opacity: 0.55;
}

.plan-feature-item.disabled svg {
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   13. User Reviews (Tactile Testimonial Slabs)
   -------------------------------------------------------------------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.review-slab {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  transition: all var(--spring-physics);
}

.review-slab:hover {
  transform: translateY(-6px);
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  margin-bottom: 16px;
  font-size: 1rem;
}

.review-quote {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--glass-border-subtle);
  padding-top: 18px;
}

.reviewer-avatar-orb {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.4) 0%, rgba(2, 132, 199, 0.4) 100%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.reviewer-info h4 {
  font-size: 0.98rem;
  font-weight: 750;
  color: var(--text-primary);
}

.reviewer-info p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   14. FAQ Accordion (Liquid Crystal Expand/Collapse)
   -------------------------------------------------------------------------- */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--spring-physics);
}

.faq-item:hover {
  border-color: var(--icy-mint);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  text-align: left;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-primary);
  background: none;
  cursor: pointer;
}

.faq-toggle-icon {
  width: 22px;
  height: 22px;
  color: var(--text-muted);
  transition: transform var(--bounce-physics), color var(--spring-physics);
  flex-shrink: 0;
}

.faq-item.active {
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), 0 8px 24px -2px rgba(0, 245, 212, 0.15);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--icy-mint-deep);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
  padding: 0 28px;
}

.faq-item.active .faq-answer {
  max-height: 380px;
  padding: 0 28px 24px 28px;
}

.faq-answer p {
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   15. Articles / Subpages / Insights Layouts
   -------------------------------------------------------------------------- */
.page-header {
  padding-top: calc(var(--header-height) + 52px);
  padding-bottom: 52px;
  text-align: center;
  background: linear-gradient(180deg, var(--icy-mint-subtle) 0%, transparent 100%);
  border-bottom: 1px solid var(--glass-border-subtle);
  margin-bottom: 56px;
}

.page-title {
  font-size: 2.85rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.page-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto;
}

.article-content {
  max-width: 880px;
  margin: 0 auto 96px auto;
  line-height: 1.8;
}

.article-content h2 {
  font-size: 1.8rem;
  font-weight: 850;
  color: var(--text-primary);
  margin-top: 52px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-border-subtle);
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 750;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 14px;
}

.article-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.04rem;
}

.article-content ul, .article-content ol {
  padding-left: 26px;
  margin-bottom: 26px;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 10px;
}

.alert-slab {
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  border-left: 4px solid var(--icy-mint);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
  padding: 22px 26px;
  margin: 28px 0;
}

.alert-slab.alert-danger {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.06);
}

.alert-slab.alert-success {
  border-left-color: var(--icy-mint);
  background: var(--icy-mint-subtle);
}

.alert-slab h4 {
  font-size: 1.08rem;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-weight: 750;
}

.alert-slab p {
  margin-bottom: 0;
  font-size: 0.98rem;
}

/* Insights Articles Grid */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 36px;
}

.insight-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  transition: all var(--spring-physics);
}

.insight-card:hover {
  transform: translateY(-6px);
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
}

.insight-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 750;
  color: var(--icy-mint-deep);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.insight-title {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.insight-summary {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 24px;
  flex-grow: 1;
}

.insight-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--glass-border-subtle);
  padding-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Article Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--icy-mint-deep);
}

.breadcrumb-sep {
  color: var(--text-muted);
}

/* Article Table of Contents (TOC) */
.article-toc {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-slab);
  border-radius: var(--radius-slab);
  padding: 28px 32px;
  margin: 36px 0 44px 0;
}

.article-toc-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 0;
  margin-bottom: 0;
}

.article-toc-list li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 550;
  color: var(--text-secondary);
  transition: all var(--spring-physics);
}

.article-toc-list li a:hover {
  color: var(--text-primary);
  transform: translateX(6px);
}

.article-toc-list li a::before {
  content: "✦";
  font-size: 0.75rem;
  color: var(--icy-mint-deep);
}

/* Article Internal Linking Box */
.internal-brand-callout {
  background: linear-gradient(135deg, rgba(0, 245, 212, 0.12) 0%, rgba(2, 132, 199, 0.08) 100%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  margin: 32px 0;
}

.internal-brand-callout h4 {
  font-size: 1.12rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.internal-brand-callout p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Article Related Reads Grid */
.related-reads-section {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--glass-border-subtle);
}

.related-reads-title {
  font-size: 1.6rem;
  font-weight: 850;
  color: var(--text-primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.related-reads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-read-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-bevel), var(--shadow-droplet);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  transition: all var(--spring-physics);
}

.related-read-card:hover {
  transform: translateY(-4px);
  border-color: var(--icy-mint);
  box-shadow: var(--glass-bevel), var(--shadow-slab-hover);
}

.related-read-title {
  font-size: 1.05rem;
  font-weight: 750;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.related-read-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 14px;
}

.related-read-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--icy-mint-deep);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 1080px) {
  .related-reads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .related-reads-grid {
    grid-template-columns: 1fr;
  }
}


.sitemap-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-slab);
  padding: 36px 32px;
  box-shadow: var(--glass-bevel), var(--shadow-slab);
}

.sitemap-card h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 2px solid var(--icy-mint);
  padding-bottom: 8px;
  display: inline-block;
}

.sitemap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sitemap-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--spring-physics);
}

.sitemap-list a:hover {
  color: var(--text-primary);
  transform: translateX(6px);
}

/* --------------------------------------------------------------------------
   16. Footer (Strictly ONLY the 4 Specified Titles)
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-glass-card);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-top: 1px solid var(--glass-border-subtle);
  padding-top: 56px;
  padding-bottom: 56px;
  text-align: center;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  list-style: none;
}

.footer-nav-link {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: all var(--spring-physics);
}

.footer-nav-link:hover {
  color: var(--text-primary);
  background: var(--icy-mint-subtle);
}

.footer-copyright {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-brand-meta {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   17. Responsive Media Queries (@media)
   -------------------------------------------------------------------------- */
@media (min-width: 1081px) and (max-width: 1240px) {
  .nav-links {
    gap: 6px;
  }
  .nav-link {
    padding: 5px 8px;
    font-size: 0.84rem;
    white-space: nowrap;
  }
  .header-actions .btn {
    padding: 6px 12px;
    font-size: 0.84rem;
  }
}

@media (max-width: 1080px) {
  .hero-title {
    font-size: 2.85rem;
  }
  .features-grid,
  .pricing-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-slab.featured {
    transform: none;
  }
  .pricing-slab.featured:hover {
    transform: translateY(-8px);
  }

  /* Responsive Navigation Drawer for tablets & cramped viewports */
  .mobile-nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-glass-elevated);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 24px;
    gap: 8px;
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--spring-physics);
    box-shadow: var(--shadow-slab);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 10px 16px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
  }

  .header-actions .btn {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
    --radius-slab: 24px;
  }

  .section {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .section-title {
    font-size: 1.95rem;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-intro {
    font-size: 1.05rem;
  }

  /* Single Column Layouts on Mobile */
  .features-grid,
  .showcase-grid,
  .pricing-grid,
  .reviews-grid,
  .insights-grid,
  .sitemap-grid {
    grid-template-columns: 1fr;
  }

  .hero-telemetry-slab {
    grid-template-columns: repeat(2, 1fr);
    padding: 24px 20px;
    gap: 20px;
  }

  .telemetry-item:not(:last-child)::after {
    display: none;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .footer-nav {
    gap: 16px;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .telemetry-value {
    font-size: 1.65rem;
  }
  .price-amount {
    font-size: 2.9rem;
  }
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
}