/* ==========================================================================
   SignalSMS - V2 Polish (2026 Aesthetic)
   Ultra-clean, Symmetric, Fast Scrolling, Professional Light Theme
   ========================================================================== */

:root {
  /* Ultra-Premium 2026 Dark Theme Palette */
  --bg-page: #061a45;
  --bg-surface: #001450;
  --bg-surface-alt: #0a215c;
  
  --text-primary: #FFFFFF;
  --text-secondary: #B8D4FF;
  --text-tertiary: #8baddf;
  
  --accent-blue: #00A3FF;
  --accent-blue-hover: #33B5FF;
  --accent-blue-light: rgba(0, 163, 255, 0.15);
  
  --success: #00BC7D;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Inter', sans-serif; /* Apple-like clean display */

  /* Shadows (Soft, diffused, 2026 style) */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 32px -4px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.8);
  --shadow-accent: 0 8px 24px -6px rgba(0, 163, 255, 0.4);

  /* Transitions */
  --spring: cubic-bezier(0.175, 0.885, 0.32, 1.2);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset for Performance */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* Custom Scrollbar — Signal DNA */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #020918;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #00A3FF 0%, #00FFCC 100%);
  border-radius: 999px;
  border: 2px solid #020918; /* Creates a gap between thumb and track */
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #33b5ff 0%, #00FFCC 100%);
  box-shadow: 0 0 8px rgba(0, 163, 255, 0.8);
}

/* Branded Selection Highlight */
::selection {
  background: rgba(0, 255, 204, 0.25);
  color: #FFFFFF;
  text-shadow: 0 0 8px rgba(0, 255, 204, 0.6);
}

/* Chrome/Firefox generic outline override */
input:focus, textarea:focus, select:focus, button:focus {
  outline: none;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* Fast scrolling optimization */
  overscroll-behavior-y: none; 
}

/* Typography Polish */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

a {
  text-decoration: none;
  color: var(--accent-blue);
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--accent-blue-hover);
}

/* Layout System - 100% Symmetric */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* Header */
header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  padding: 1rem 0;
  z-index: 100;
  background: rgba(6, 26, 69, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transform: translateZ(0); /* Hardware acceleration */
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 48px;
}

.logo,
.logo:link,
.logo:visited,
.logo:active,
.logo:focus {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary) !important;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.25s var(--ease);
}

.logo:hover,
.logo:hover:visited,
.logo:hover:active,
.logo:hover:focus {
  transform: translateY(-1px);
  color: var(--text-primary) !important;
}

.logo-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-right: 0.1em;
  transition: transform 0.3s var(--spring);
}

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

.logo-sms {
  color: var(--accent-blue) !important;
  font-weight: 700;
  margin-left: 0.15rem;
}

.logo-s {
  background: linear-gradient(135deg, #00A3FF 0%, #00FFCC 100%);
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
  display: inline-block;
  font-style: italic;
  font-weight: 800;
  font-size: 1.15em;
  filter: drop-shadow(0 4px 12px rgba(0, 163, 255, 0.5));
  transition: filter 0.3s var(--ease);
}

.logo:hover .logo-s {
  filter: drop-shadow(0 0 15px rgba(0, 255, 204, 0.75)) drop-shadow(0 4px 12px rgba(0, 163, 255, 0.5));
}

.logo-signal {
  position: absolute;
  top: -2px;
  right: -6px;
  width: 14px;
  height: 14px;
  pointer-events: none;
  z-index: 10 !important;
  transition: none !important;
}

.logo-signal::before, .logo-signal::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  border-top: 2.5px solid #00A3FF;
  border-right: 2.5px solid #00A3FF;
  border-radius: 0 100% 0 0;
  opacity: 0;
}

.logo-signal::before {
  width: 8px; height: 8px;
  animation: emit-signal 1.5s infinite ease-out;
  transition: animation-duration 0.3s ease;
}

.logo:hover .logo-signal::before {
  animation-duration: 0.7s;
}

.logo-signal::after {
  width: 14px; height: 14px;
  border-color: #00FFCC;
  animation: emit-signal 1.5s infinite ease-out 0.3s;
  transition: animation-duration 0.3s ease;
}

.logo:hover .logo-signal::after {
  animation-duration: 0.7s;
  animation-delay: 0.15s;
}

@keyframes emit-signal {
  0% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.3); }
}

header nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

header nav a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  position: relative;
  letter-spacing: 0.02em;
}

header nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #00A3FF, #00FFCC);
  transition: width 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  border-radius: 2px;
}

header nav a:hover {
  color: #FFFFFF;
  text-shadow: 0 0 12px rgba(0, 163, 255, 0.5);
  transform: translateY(-1px);
}

header nav a:hover::after {
  width: 100%;
}

.header-buttons {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Polished Tech Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 999px; /* Pill shape for modern SaaS */
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2); /* Spring effect */
  border: 1px solid transparent;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #00A3FF 0%, #0066FF 100%);
  color: #FFFFFF;
  border: 1px solid rgba(0, 255, 204, 0.2);
  box-shadow: 0 4px 15px -3px rgba(0, 163, 255, 0.5), inset 0 1px 1px rgba(255,255,255,0.2);
  animation: btn-signal 2.5s infinite;
}

@keyframes btn-signal {
  0% { box-shadow: 0 0 0 0 rgba(0, 163, 255, 0.4), 0 4px 15px -3px rgba(0, 163, 255, 0.5), inset 0 1px 1px rgba(255,255,255,0.2); }
  70% { box-shadow: 0 0 0 15px rgba(0, 163, 255, 0), 0 4px 15px -3px rgba(0, 163, 255, 0.5), inset 0 1px 1px rgba(255,255,255,0.2); }
  100% { box-shadow: 0 0 0 0 rgba(0, 163, 255, 0), 0 4px 15px -3px rgba(0, 163, 255, 0.5), inset 0 1px 1px rgba(255,255,255,0.2); }
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px -4px rgba(0, 163, 255, 0.7), inset 0 1px 1px rgba(255,255,255,0.4);
  border-color: rgba(0, 255, 204, 0.5);
  color: #FFFFFF;
  animation: none; /* Stops signal on hover for clear clicking */
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

/* Hero Section */
.hero {
  padding: 12rem 0 8rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 85vh; /* Perfectly vertically centered */
}

.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: url('images/hero_bg.png');
  background-size: cover; background-position: center;
  opacity: 0.8; z-index: 0;
  filter: invert(1) hue-rotate(180deg) brightness(0.7) contrast(1.2);
}

.hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(6,26,69,0.3) 0%, var(--bg-page) 100%);
  z-index: 1; pointer-events: none;
}

/* Premium Crypto Showcase (Cardless) */
.hero-crypto-showcase {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0.5rem auto 2rem; /* Tightly grouped under the text above */
  position: relative;
  z-index: 5;
}

.crypto-img-group {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0; /* Zero gap so they touch and look like one image */
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  cursor: pointer;
}

/* Glowing orb behind the images instead of a rigid card */
.crypto-img-group::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 60px;
  background: var(--accent-blue);
  opacity: 0.15;
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.crypto-img-group img {
  height: 85px; /* Big, raw images */
  width: auto;
  filter: drop-shadow(0 8px 24px rgba(0, 163, 255, 0.3));
  margin: 0 -30px; /* Heavy negative margin to remove the invisible transparent padding inside the images */
  transition: filter 0.3s var(--ease);
  position: relative;
}

.crypto-img-group:hover {
  transform: translateY(-4px) scale(1.05);
}

.crypto-img-group:hover::before {
  opacity: 0.3; /* Glow brightens on hover */
}

.crypto-img-group:hover img {
  filter: drop-shadow(0 12px 32px rgba(0, 163, 255, 0.6));
}

@media (max-width: 768px) {
  .crypto-img-group img {
    height: 65px;
    margin: 0 -20px;
  }
}

.hero-awards {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.awards-title {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.awards-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.awards-logos img {
  height: 32px;
  width: auto;
  opacity: 0.9;
  transition: all 0.3s var(--ease);
}

.awards-logos img:hover {
  opacity: 1;
  transform: translateY(-3px) scale(1.05);
  filter: drop-shadow(0 8px 24px rgba(255, 255, 255, 0.15));
}

.hero p {
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.25rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

/* Stats Section (Symmetric Grid) */
.stats-section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 3rem 1.5rem;
  border-radius: 24px;
  text-align: center;
  box-shadow: inset 0 0 20px rgba(0, 163, 255, 0.02), 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2);
}

.stat-item:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 163, 255, 0.4);
  animation: stat-signal 1.5s cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

@keyframes stat-signal {
  0% { box-shadow: 0 0 0 0 rgba(0, 163, 255, 0.3), inset 0 0 30px rgba(0, 163, 255, 0.1), 0 16px 40px rgba(0, 0, 0, 0.5); }
  70% { box-shadow: 0 0 0 20px rgba(0, 163, 255, 0), inset 0 0 30px rgba(0, 163, 255, 0.1), 0 16px 40px rgba(0, 0, 0, 0.5); }
  100% { box-shadow: 0 0 0 0 rgba(0, 163, 255, 0), inset 0 0 30px rgba(0, 163, 255, 0.1), 0 16px 40px rgba(0, 0, 0, 0.5); }
}

.stat-item h2 {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #00A3FF 0%, #00FFCC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  line-height: 1;
  filter: drop-shadow(0 8px 24px rgba(0, 163, 255, 0.4));
}

.stat-item p {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* General Sections */
.section {
  padding: 8rem 0;
  position: relative;
}

#features::before {
  content: ''; position: absolute; inset: 0;
  background-image: url('images/features_bg.png');
  background-size: cover; background-position: center;
  opacity: 0.3; z-index: 0; pointer-events: none;
  filter: invert(1) hue-rotate(180deg) brightness(0.7) contrast(1.2);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 5rem;
}

/* Features - Perfect 3-Column Symmetric Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: inset 0 0 20px rgba(0, 163, 255, 0.02), 0 8px 32px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 204, 0.3);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(0, 255, 204, 0.1);
}

.feature-icon {
  width: 64px; height: 64px;
  background: rgba(0, 163, 255, 0.05);
  border: 1px solid rgba(0, 163, 255, 0.15);
  color: #00A3FF;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  transition: all 0.3s var(--ease);
}

.feature-card:hover .feature-icon {
  color: #00FFCC;
  border-color: rgba(0, 255, 204, 0.4);
  transform: translateY(-3px);
  animation: feature-signal 1.5s cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

@keyframes feature-signal {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.6), 0 0 25px rgba(0, 255, 204, 0.2);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(0, 255, 204, 0), 0 0 25px rgba(0, 255, 204, 0.2);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 204, 0), 0 0 25px rgba(0, 255, 204, 0.2);
  }
}

.feature-icon svg {
  width: 28px; height: 28px;
  transition: all 0.3s var(--ease);
}

/* Steps Section - Horizontal Symmetric */
.steps-wrapper {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 32px;
  padding: 5rem 3rem; 
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 40px rgba(0, 163, 255, 0.02), 0 20px 50px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

/* Glowing Connecting Data Line */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 163, 255, 0) 0%, rgba(0, 163, 255, 0.5) 20%, rgba(0, 255, 204, 0.5) 80%, rgba(0, 255, 204, 0) 100%);
  z-index: 1;
  box-shadow: 0 0 10px rgba(0, 163, 255, 0.5);
}

.step-card {
  position: relative;
  z-index: 2;
  text-align: center;
  transition: transform 0.3s var(--ease);
}

.step-card:hover {
  transform: translateY(-5px);
}

.step-num {
  width: 64px; height: 64px;
  background: var(--bg-page);
  border: 2px solid rgba(0, 163, 255, 0.3);
  color: #00FFCC;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 20px rgba(0, 163, 255, 0.1), inset 0 0 15px rgba(0, 163, 255, 0.1);
  text-shadow: 0 0 10px rgba(0, 255, 204, 0.3);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.2);
}

.step-card:hover .step-num {
  border-color: rgba(0, 255, 204, 0.6);
  box-shadow: 0 0 30px rgba(0, 255, 204, 0.3), inset 0 0 20px rgba(0, 255, 204, 0.2);
  transform: scale(1.15);
  color: #FFFFFF;
  text-shadow: 0 0 15px rgba(0, 255, 204, 0.8);
  animation: step-signal 1.5s cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

@keyframes step-signal {
  0% { box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.5), 0 0 30px rgba(0, 255, 204, 0.3); }
  70% { box-shadow: 0 0 0 15px rgba(0, 255, 204, 0), 0 0 30px rgba(0, 255, 204, 0.3); }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 204, 0), 0 0 30px rgba(0, 255, 204, 0.3); }
}

/* Pricing Grid */
#pricing::before {
  content: ''; position: absolute; inset: 0;
  background-image: url('images/map_bg.png');
  background-size: cover; background-position: center;
  opacity: 0.25; z-index: 0; pointer-events: none;
  filter: invert(1) hue-rotate(180deg) brightness(0.7) contrast(1.2);
}

/* Pricing Layout - Two Column */
.pricing-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 6rem;
  align-items: center;
}

.pricing-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #00FFCC;
  background: rgba(0, 255, 204, 0.08);
  border: 1px solid rgba(0, 255, 204, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.pricing-left h2 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #FFF 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pricing-left > p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.pricing-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pricing-perks li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pricing-perks li svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  color: #00FFCC;
  filter: drop-shadow(0 0 6px rgba(0, 255, 204, 0.5));
}

/* Right: Glassmorphism Rate Panel */
.pricing-panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 32px;
  padding: 2.5rem;
  box-shadow: inset 0 0 40px rgba(0, 163, 255, 0.03), 0 20px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.pricing-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pricing-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #00A3FF;
  background: rgba(0, 163, 255, 0.08);
  border: 1px solid rgba(0, 163, 255, 0.2);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
}

.pricing-search {
  width: 100%;
  padding: 1rem 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  color: #FFFFFF;
  font-size: 0.95rem;
  transition: all 0.3s var(--ease);
  margin-bottom: 1.5rem;
  font-family: var(--font-sans);
}

.pricing-search::placeholder { color: rgba(255,255,255,0.3); }

.pricing-search:focus {
  outline: none;
  border-color: rgba(0, 163, 255, 0.4);
  box-shadow: 0 0 20px rgba(0, 163, 255, 0.1);
  background: rgba(0, 0, 0, 0.5);
}

.country-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 1.25rem; /* Space between content and scrollbar */
  content-visibility: auto;
}

/* Scrollbar polish */
.country-grid::-webkit-scrollbar { width: 4px; }
.country-grid::-webkit-scrollbar-track { background: transparent; }
.country-grid::-webkit-scrollbar-thumb { background: rgba(0, 163, 255, 0.3); border-radius: 10px; }
.country-grid::-webkit-scrollbar-thumb:hover { background: rgba(0, 163, 255, 0.6); }

.country-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.25s var(--ease);
}

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

.country-item:hover {
  padding-left: 0.75rem;
  border-bottom-color: rgba(0, 163, 255, 0.3);
}

.country-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.25s var(--ease);
}

.country-item:hover .country-info { color: #FFFFFF; }

.price-val {
  font-weight: 700;
  font-size: 0.95rem;
  color: #00FFCC;
  font-variant-numeric: tabular-nums;
}

.pricing-note {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-align: center;
}

/* CTA Box Upgrade */
.cta-box {
  background:
    linear-gradient(135deg, rgba(6, 26, 69, 0.75) 0%, rgba(3, 10, 30, 0.8) 100%);
  border: 1px solid rgba(0, 163, 255, 0.25);
  border-radius: 40px;
  padding: 7rem 2rem;
  box-shadow:
    0 0 0 1px rgba(0, 255, 204, 0.05) inset,
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(0, 163, 255, 0.08);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cta-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/hero_bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 0;
  filter: invert(1) hue-rotate(180deg) brightness(0.9) contrast(1.1);
  border-radius: 40px;
  pointer-events: none;
}

.cta-box > * {
  position: relative;
  z-index: 1;
}

.cta-box::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 255, 204, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #FFF 0%, #00FFCC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Footer */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 6rem 0 0;
  background: linear-gradient(180deg, #030d25 0%, #020918 100%);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  font-size: 0.9rem;
  max-width: 260px;
  line-height: 1.7;
}

.footer-awards {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
}

.footer-awards img {
  height: 28px;
  width: auto;
  opacity: 0.8;
  transition: all 0.3s var(--ease);
  filter: brightness(0.9);
}

.footer-awards img:hover {
  opacity: 1;
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.footer-links h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
  transition: all 0.25s var(--ease);
  position: relative;
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 0.5rem;
}

/* Signal Divider */
.footer-signal-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 163, 255, 0.3) 30%, rgba(0, 255, 204, 0.3) 70%, transparent 100%);
  margin-bottom: 2rem;
  box-shadow: 0 0 8px rgba(0, 163, 255, 0.2);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0 2.5rem;
  color: rgba(255,255,255,0.25);
  font-size: 0.85rem;
}

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-crypto-tag {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
  margin-right: 0.25rem;
}

.footer-crypto-icon {
  height: 24px;
  width: 24px;
  opacity: 0.6;
  transition: all 0.25s var(--ease);
  filter: grayscale(20%);
}

.footer-crypto-icon:hover {
  opacity: 1;
  transform: translateY(-3px);
  filter: grayscale(0%) drop-shadow(0 4px 8px rgba(0, 163, 255, 0.4));
}

/* Responsive Alignment */
@media (max-width: 1024px) {
  .features-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
}

@media (max-width: 768px) {
  header nav { display: none; }
  h1 { font-size: 3rem; }
  .features-grid, .steps-grid, .country-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero { padding: 8rem 0 4rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item::after { display: none; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ==========================================================================
   SignalSMS 100x Upgrade Styles - Landing Page Rate Finder & Tilt Card
   ========================================================================== */

/* Region Tabs for Rate Finder */
.region-tab {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.region-tab:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.region-tab.active {
  background: rgba(0, 163, 255, 0.1);
  border-color: var(--accent-blue);
  color: #FFFFFF;
  box-shadow: 0 0 12px rgba(0, 163, 255, 0.3);
}

/* Quality Metrics in Country Item */
.country-item {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding: 0.85rem 0 !important;
}

.rate-meta-metrics {
  margin-top: 0.15rem;
  font-size: 0.72rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.rate-stars {
  color: var(--warning);
  letter-spacing: 1px;
}

.rate-price-side {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.reliability-pill {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(0, 188, 125, 0.08);
  border: 1px solid rgba(0, 188, 125, 0.15);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  margin-top: 0.15rem;
}

/* 3D Tilt Card Parallax styles */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.15s ease, box-shadow 0.25s ease;
}
.tilt-card-inner {
  transform: translateZ(20px);
}