:root {
  --bg-dark: #07090e;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.6);
  --border-glass: rgba(56, 189, 248, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.08);

  --primary-cyan: #00f2fe;
  --primary-blue: #4facfe;
  --accent-purple: #9d4edd;
  --accent-violet: #7b2cbf;
  --accent-amber: #f59e0b;
  --accent-green: #10b981;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Atmospheric Glows */
.glow-orb {
  position: absolute;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

.glow-top-left {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, #00f2fe 0%, #4facfe 40%, transparent 70%);
}

.glow-bottom-right {
  top: 600px;
  right: -150px;
  background: radial-gradient(circle, #9d4edd 0%, #7b2cbf 40%, transparent 70%);
}

.cyber-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation */
.navbar-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.brand-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.brand-avatar-sm {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 1px;
}

.brand-title span {
  color: var(--primary-cyan);
}

.brand-tagline {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--primary-cyan);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 12px;
  padding: 12px 22px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
  border: none;
}

.btn-primary-gradient {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #07090e;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
}

.btn-primary-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
}

.btn-outline-cyan {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--primary-cyan);
  color: var(--primary-cyan);
}

.btn-outline-cyan:hover {
  background: rgba(0, 242, 254, 0.18);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 26px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn-ios, .btn-android {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-glass);
  color: #fff;
  text-align: left;
}

.btn-ios:hover, .btn-android:hover {
  border-color: var(--primary-cyan);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.2);
  transform: translateY(-2px);
}

.btn-icon {
  width: 26px;
  height: 26px;
}

.btn-ios div, .btn-android div {
  display: flex;
  flex-direction: column;
}

.btn-ios small, .btn-android small {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-ios strong, .btn-android strong {
  font-size: 0.95rem;
  color: #fff;
}

/* Hero Section */
.hero-section {
  padding: 70px 0 90px 0;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--primary-cyan);
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-cyan);
  box-shadow: 0 0 10px var(--primary-cyan);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
  100% { transform: scale(0.95); opacity: 1; }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #9d4edd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 28px;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 34px;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: #e2e8f0;
  font-weight: 600;
}

.badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  font-size: 0.75rem;
}

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

/* Glass Mockup HUD */
.hero-preview-frame {
  display: flex;
  justify-content: center;
}

.glass-app-mockup {
  width: 100%;
  max-width: 440px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 242, 254, 0.15);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dot.red { background: #ef4444; }
.mockup-dot.yellow { background: #f59e0b; }
.mockup-dot.green { background: #10b981; }

.mockup-title {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--primary-cyan);
}

.hud-top-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.hud-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.hud-badge {
  background: rgba(157, 78, 221, 0.2);
  border: 1px solid rgba(157, 78, 221, 0.4);
  color: #c77dff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 8px;
}

.hud-gauge-box {
  background: rgba(7, 9, 14, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
}

.hud-gauge-title {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 1.2px;
  margin-bottom: 12px;
}

.hud-syringe-meter {
  position: relative;
  height: 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.meter-fluid {
  height: 100%;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  box-shadow: 0 0 15px #00f2fe;
}

.meter-needle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 8px #fff;
}

.hud-metrics-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 8px;
  text-align: center;
}

.metric-cell {
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 6px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
}

.metric-cell.highlight {
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.m-val {
  font-size: 1.05rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #fff;
}

.metric-cell.highlight .m-val {
  color: var(--primary-cyan);
}

.m-lbl {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-weight: 700;
}

.hud-protocol-preview {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.proto-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 12px;
  border-radius: 10px;
}

.p-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  margin-right: 8px;
}

.p-status {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-green);
}

.p-status.cyan {
  color: var(--primary-cyan);
}

/* Sections */
.section-wrapper {
  padding: 80px 0;
}

.feature-bg {
  background: rgba(15, 23, 42, 0.35);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-title-wrap {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px auto;
}

.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--primary-cyan);
  margin-bottom: 12px;
}

.section-heading {
  font-size: 2.3rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-subheading {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Calculator Grid */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.calc-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 30px;
}

.panel-header {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.input-with-unit {
  position: relative;
  display: flex;
}

.input-with-unit input {
  width: 100%;
  background: rgba(7, 9, 14, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 14px;
  color: #fff;
  font-size: 1.05rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.input-with-unit input:focus, .full-select:focus, .unit-select:focus {
  outline: none;
  border-color: var(--primary-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
}

.unit-tag {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-dim);
}

.unit-select {
  position: absolute;
  right: 6px;
  top: 6px;
  bottom: 6px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--primary-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0 8px;
}

.full-select {
  width: 100%;
  background: rgba(7, 9, 14, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 14px;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
}

.presets-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.presets-lbl {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-dim);
  width: 100%;
  margin-bottom: 4px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-btn:hover {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--primary-cyan);
  color: #fff;
}

/* Result Card */
.result-highlight-card {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1) 0%, rgba(79, 172, 254, 0.05) 100%);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  margin-bottom: 24px;
}

.result-label {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.result-units {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
}

.glow-val {
  font-size: 3.5rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--primary-cyan);
  text-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
  line-height: 1;
}

.unit-text {
  font-size: 1.25rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 1px;
}

.result-subtext {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-top: 8px;
}

/* Syringe Interactive Visualizer */
.syringe-visualizer-box {
  background: rgba(7, 9, 14, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 24px 18px 30px 18px;
  margin-bottom: 24px;
}

.syringe-barrel-outer {
  position: relative;
  display: flex;
  align-items: center;
}

.syringe-needle {
  width: 30px;
  height: 2px;
  background: #cbd5e1;
  box-shadow: 0 0 5px #cbd5e1;
}

.syringe-hub {
  width: 8px;
  height: 18px;
  background: #94a3b8;
  border-radius: 2px;
}

.syringe-barrel {
  position: relative;
  flex: 1;
  height: 38px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 0 6px 6px 0;
  overflow: visible;
}

.syringe-fluid {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(0, 242, 254, 0.7), rgba(79, 172, 254, 0.9));
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.syringe-plunger {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 6px;
  background: #f8fafc;
  box-shadow: 0 0 10px #fff;
  border-radius: 2px;
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2;
}

.syringe-ticks {
  position: absolute;
  top: 42px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-dim);
}

.telemetry-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.stat-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
}

.stat-val {
  font-size: 1.15rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #fff;
  margin-top: 4px;
}

/* Protocol Compendium Grid */
.protocol-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.protocol-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.protocol-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-cyan);
}

.card-icon-pill {
  display: inline-block;
  background: rgba(0, 242, 254, 0.12);
  color: var(--primary-cyan);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}

.card-icon-pill.cyan {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
}

.card-icon-pill.purple {
  background: rgba(157, 78, 221, 0.15);
  color: #c77dff;
}

.protocol-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.protocol-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.5;
}

.protocol-specs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
}

.spec-row span {
  color: var(--text-dim);
}

.spec-row strong {
  color: #fff;
  font-family: var(--font-mono);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.feature-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.25s ease;
}

.feature-box:hover {
  background: rgba(15, 23, 42, 0.9);
  border-color: var(--primary-cyan);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.feature-box h4 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
}

.feature-box p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Download CTA Section */
.download-card-wrapper {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(7, 9, 14, 0.95) 100%);
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 40px;
  align-items: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 242, 254, 0.15);
}

.download-title {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.download-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 30px;
}

.app-store-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-store {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-ios-black {
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-android-black {
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-store:hover {
  border-color: var(--primary-cyan);
  box-shadow: 0 6px 25px rgba(0, 242, 254, 0.3);
  transform: translateY(-2px);
}

.store-svg {
  width: 32px;
  height: 32px;
}

.btn-store-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.btn-store-main {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
}

.download-qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.qr-frame {
  width: 170px;
  height: 170px;
  background: #fff;
  border-radius: 18px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.3);
}

.qr-logo-overlay {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.qr-caption {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dim);
  margin-top: 12px;
}

/* Branding Assets Section */
.branding-assets-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 30px;
}

.brand-asset-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.asset-preview-wrap {
  width: 100%;
  background: #000;
  overflow: hidden;
}

.asset-preview-wrap.square {
  aspect-ratio: 1 / 1;
}

.asset-preview-wrap.banner {
  aspect-ratio: 16 / 9;
}

.asset-preview-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.brand-asset-card:hover .asset-preview-wrap img {
  transform: scale(1.03);
}

.asset-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.asset-info h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.asset-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex: 1;
}

/* Footer */
.site-footer {
  background: #040508;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 24px 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 480px;
  margin-top: 14px;
}

.footer-links-group {
  display: flex;
  gap: 60px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col h5 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.footer-links-col a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links-col a:hover {
  color: var(--primary-cyan);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: #0f172a;
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 34px;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.8rem;
  cursor: pointer;
}

.modal-app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  border: 1px solid var(--border-glass);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
  margin-bottom: 16px;
}

.modal-box h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal-box p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.modal-actions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-layout, .calculator-grid, .download-card-wrapper, .branding-assets-grid, .footer-content {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .download-card-wrapper {
    padding: 30px 20px;
  }

  .footer-links-group {
    flex-direction: column;
    gap: 30px;
  }
}
