/* ==========================================================================
   GATERN - OBSIDIAN LUXURY TECHNOLOGY STYLESHEET
   ========================================================================== */

:root {
  /* Dark Palette */
  --bg-dark-0: #050506;
  --bg-dark-1: #080808;
  --bg-dark-2: #0C0C0D;
  --bg-dark-3: #111113;
  --bg-card: #151517;
  --bg-card-hover: #19191C;
  --bg-graphite: #202024;
  
  /* Text Colors */
  --text-main: #F5F3EE;
  --text-sub: #A5A3A0;
  --text-muted: #727270;
  --text-dim: #4E4E4C;

  /* Metal & Accent Colors */
  --gold-primary: #C7A86B;
  --gold-light: #D7BF8A;
  --gold-dim: rgba(199, 168, 107, 0.25);
  --gold-glow: rgba(199, 168, 107, 0.12);
  --silver-metal: #B8BCC2;
  --silver-dim: rgba(184, 188, 194, 0.15);

  /* Borders */
  --border-subtle: #1F1F22;
  --border-main: #2A2A2D;
  --border-strong: #353538;
  --border-gold: rgba(199, 168, 107, 0.4);

  /* Fonts */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", PingFang SC, "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "Space Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* Layout */
  --container-max: 1320px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-dark-1);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-dark-1);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 500;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-sub);
}

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

ul {
  list-style: none;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-primary);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--gold-primary);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--gold-primary);
  border-radius: 1px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Background Effects */
.bg-ambient-light {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1400px;
  height: 800px;
  background: radial-gradient(circle at 50% 0%, rgba(199, 168, 107, 0.07) 0%, rgba(8, 8, 8, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.precision-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.8;
  z-index: 0;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
  text-transform: uppercase;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  padding: 0.15rem 0.4rem;
  background: var(--bg-graphite);
  border: 1px solid var(--border-main);
  color: var(--gold-primary);
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-sub);
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--gold-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

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

.nav-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-main);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, #C7A86B 0%, #B59455 100%);
  color: #080808;
  border: 1px solid var(--gold-light);
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(199, 168, 107, 0.15);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #D7BF8A 0%, #C7A86B 100%);
  box-shadow: 0 6px 28px rgba(199, 168, 107, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(21, 21, 23, 0.6);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--gold-primary);
  color: var(--gold-light);
  background: rgba(32, 32, 36, 0.8);
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding-top: 140px;
  padding-bottom: 80px;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 52% 48%;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-tag {
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.08;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.hero-title .title-accent {
  background: linear-gradient(180deg, #F5F3EE 0%, #A5A3A0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .gold-accent {
  color: var(--gold-primary);
  -webkit-text-fill-color: var(--gold-primary);
  font-weight: 500;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

/* Network Core Object (Hero Graphic) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.core-object-wrap {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  position: relative;
  background: linear-gradient(145deg, #151517 0%, #0C0C0D 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.core-object-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
  opacity: 0.6;
}

.core-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-main);
  padding-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.core-status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--gold-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gold-primary);
  animation: pulse-light 2.5s infinite ease-in-out;
}

@keyframes pulse-light {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.core-center-stage {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  margin: 1rem 0;
}

.obsidian-chip {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, #202024 0%, #0D0D0F 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.9), inset 0 0 20px rgba(0,0,0,0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
  transition: transform var(--transition-smooth);
}

.obsidian-chip:hover {
  transform: scale(1.02);
}

.chip-inner-ring {
  width: 150px;
  height: 150px;
  border: 1px stroke var(--border-gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background: rgba(8, 8, 8, 0.6);
  backdrop-filter: blur(4px);
}

.chip-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.1em;
}

.chip-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold-primary);
  letter-spacing: 0.15em;
  margin-top: 0.25rem;
}

/* Orbit Nodes SVG Layer */
.nodes-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.core-footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-main);
  padding-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-sub);
}

.core-badge-list {
  display: flex;
  gap: 0.5rem;
}

.core-badge {
  background: var(--bg-graphite);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  border: 1px solid var(--border-subtle);
  font-size: 0.65rem;
  color: var(--text-sub);
}

/* Spec Strip */
.spec-strip-section {
  border-top: 1px solid var(--border-main);
  border-bottom: 1px solid var(--border-main);
  background: var(--bg-dark-2);
  padding: 1.75rem 0;
  position: relative;
  z-index: 2;
}

.spec-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-main);
  padding-left: 1.25rem;
}

.spec-item:first-child {
  border-left: none;
  padding-left: 0;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.spec-value {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Section Common Layout */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  max-width: 620px;
}

/* Precision Modules Section */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.module-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

.module-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

.module-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.module-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.module-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.module-meta {
  border-top: 1px solid var(--border-main);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meta-chip {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  background: var(--bg-graphite);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* Global Network Section */
.network-section {
  background: var(--bg-dark-2);
  border-top: 1px solid var(--border-main);
  border-bottom: 1px solid var(--border-main);
}

.network-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
}

.region-menu {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.region-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: left;
  color: var(--text-sub);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.region-btn:hover, .region-btn.active {
  background: var(--bg-graphite);
  border-color: var(--gold-primary);
  color: var(--text-main);
}

.region-btn .region-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
}

.node-list-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
}

.node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border-main);
  position: relative;
  transition: padding var(--transition-fast);
}

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

.node-item:hover {
  padding-left: 0.5rem;
}

.node-item:hover::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 60%;
  background-color: var(--gold-primary);
}

.node-name {
  font-weight: 500;
  color: var(--text-main);
  font-size: 1.05rem;
}

.node-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.node-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
}

/* AI & Streaming Section */
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.showcase-box {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.showcase-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-main);
  padding-bottom: 1.5rem;
}

.showcase-big-num {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--bg-graphite);
  line-height: 1;
}

.showcase-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 0.5rem;
}

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

.matrix-item {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--transition-fast);
}

.matrix-item:hover {
  border-color: var(--gold-dim);
}

.matrix-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
}

.matrix-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold-primary);
  background: rgba(199, 168, 107, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
  border: 1px solid var(--gold-dim);
}

/* Pricing Section */
.pricing-section {
  background: var(--bg-dark-1);
  position: relative;
}

.pricing-layout {
  display: grid;
  grid-template-columns: 50% 50%;
  gap: 2rem;
  align-items: stretch;
}

.featured-pricing-card {
  background: linear-gradient(145deg, #18181C 0%, #111114 100%);
  border: 1px solid var(--gold-primary);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 30px rgba(199, 168, 107, 0.08);
}

.pricing-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--gold-primary);
  color: #080808;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
}

.pricing-plan-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.pricing-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.pricing-price {
  font-size: clamp(3.5rem, 5vw, 4.5rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
  letter-spacing: -0.03em;
}

.pricing-unit {
  font-size: 1.1rem;
  color: var(--text-sub);
}

.pricing-data {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-main);
}

.pricing-features {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-sub);
}

.feature-li::before {
  content: "✓";
  font-family: var(--font-mono);
  color: var(--gold-primary);
  font-weight: bold;
}

.secondary-pricing-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.small-pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--transition-fast);
}

.small-pricing-card:hover {
  border-color: var(--border-strong);
}

.small-pricing-info {
  display: flex;
  flex-direction: column;
}

.small-pricing-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.small-plan-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
}

.small-plan-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
}

.small-plan-data {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.small-pricing-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.small-plan-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Journal / SEO Articles Section */
.journal-section {
  background: var(--bg-dark-2);
  border-top: 1px solid var(--border-main);
  border-bottom: 1px solid var(--border-main);
}

.featured-article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

.article-cat {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.featured-article-title {
  font-size: 1.85rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.featured-article-excerpt {
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.article-read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold-primary);
  font-weight: 600;
}

.article-read-link:hover {
  color: var(--gold-light);
  gap: 0.75rem;
}

.journal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.journal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.journal-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.journal-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.journal-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

/* User Notes Section */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.note-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
  margin-bottom: 1.5rem;
}

.note-quote {
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 2rem;
}

.note-author {
  border-top: 1px solid var(--border-main);
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* FAQ Section */
.faq-section {
  background: var(--bg-dark-1);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--gold-dim);
}

.faq-question {
  width: 100%;
  padding: 1.5rem 2rem;
  background: transparent;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text-main);
}

.faq-q-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.faq-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold-primary);
}

.faq-q-text {
  font-size: 1.1rem;
  font-weight: 500;
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--gold-primary);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 2rem;
  color: var(--text-sub);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 2rem 1.75rem 4.25rem;
}

/* Footer */
.footer {
  background: #050506;
  border-top: 1px solid var(--border-main);
  padding: 100px 0 40px 0;
  position: relative;
  overflow: hidden;
}

.footer-huge-text {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(6rem, 16vw, 18rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.015);
  letter-spacing: 0.05em;
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 5rem;
  position: relative;
  z-index: 2;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-sub);
  margin-top: 1rem;
  max-width: 300px;
  line-height: 1.6;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  position: relative;
  z-index: 2;
}

.footer-partners {
  display: flex;
  gap: 1.5rem;
}

.footer-partners a {
  color: var(--text-muted);
}

.footer-partners a:hover {
  color: var(--gold-light);
}

/* Subpage Common Styles */
.subpage-hero {
  padding-top: 160px;
  padding-bottom: 60px;
  background: var(--bg-dark-2);
  border-bottom: 1px solid var(--border-main);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

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

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 80px 1.5rem;
}

.article-content {
  color: var(--text-sub);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-content h2 {
  font-size: 1.75rem;
  color: var(--text-main);
  margin: 2.5rem 0 1.25rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-main);
}

.article-content h3 {
  font-size: 1.35rem;
  color: var(--text-main);
  margin: 2rem 0 1rem 0;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-cta-box {
  background: linear-gradient(145deg, #18181C 0%, #111114 100%);
  border: 1px solid var(--gold-primary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 3rem 0;
  text-align: center;
}

.article-cta-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.article-cta-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  margin-bottom: 1.5rem;
}

/* RESPONSIVE BREAKPOINTS */

/* 1024px Screen */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .hero-content {
    max-width: 100%;
  }
  .spec-strip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .spec-item:nth-child(3) {
    border-left: none;
    padding-left: 0;
  }
  .modules-grid {
    grid-template-columns: 1fr;
  }
  .network-grid {
    grid-template-columns: 1fr;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
  }
  .pricing-layout {
    grid-template-columns: 1fr;
  }
  .featured-article-card {
    grid-template-columns: 1fr;
  }
  .notes-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 768px Mobile & Tablet */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-main);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateY(-120%);
    transition: transform var(--transition-smooth);
  }
  .nav-menu.active {
    transform: translateY(0);
  }
  .nav-toggle-btn {
    display: block;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .journal-grid {
    grid-template-columns: 1fr;
  }
  .small-pricing-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .small-pricing-right {
    width: 100%;
    justify-content: space-between;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Mobile Screens: 430px, 390px, 375px */
@media (max-width: 430px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .spec-strip-grid {
    grid-template-columns: 1fr;
  }
  .spec-item {
    border-left: none;
    padding-left: 0;
  }
  .matrix-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 60px 0;
  }
}