:root {
  /* Official TTD Royal Plum Purple & Sacred Gold Palette */
  --ttd-purple-header: #562874;
  --ttd-purple-dark: #360846;
  --ttd-purple-deep: #250631;
  --ttd-purple-accent: #7c2d82;
  --ttd-purple-light: #f3e8ff;
  --ttd-purple-border: rgba(234, 220, 239, 0.2);

  --bg-dark: #180922;
  --bg-card: rgba(42, 17, 58, 0.76);
  --bg-card-hover: rgba(62, 26, 84, 0.9);
  --bg-alt: #12061b;
  --surface-border: rgba(234, 220, 239, 0.16);
  --surface-border-gold: rgba(245, 158, 11, 0.45);

  --primary-gold: #f59e0b;
  --primary-gold-hover: #d97706;
  --gold-glow: 0 0 25px rgba(245, 158, 11, 0.4);
  --gold-gradient: linear-gradient(135deg, #fde68a 0%, #f59e0b 50%, #d97706 100%);

  --accent-blue: #38bdf8;
  --accent-emerald: #10b981;
  --danger: #ef4444;

  --text-main: #faf5fc;
  --text-muted: #c4b5cd;
  --text-dim: #9480a1;

  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(99, 102, 241, 0.06) 0%, transparent 45%);
}

body.nav-open {
  overflow: hidden;
}

/* Typography Headings */
h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  color: #ffffff;
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  color: #fde68a;
  font-size: 0.9em;
  word-break: break-word;
}

/* Responsive Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
}

/* Top Announcement Banner */
.top-announcement {
  background: linear-gradient(90deg, #360846 0%, #4a154b 50%, #360846 100%);
  color: #fde68a;
  font-size: 0.84rem;
  padding: 8px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(245, 158, 11, 0.35);
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  text-align: center;
  line-height: 1.4;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 1.5s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.announcement-link {
  color: #fbbf24;
  font-weight: 700;
  margin-left: 4px;
  white-space: nowrap;
}

/* Header & Navigation (Official TTD Royal Plum Purple) */
.site-header {
  position: sticky;
  top: 36px;
  z-index: 90;
  background: rgba(86, 40, 116, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 4px 20px rgba(54, 8, 70, 0.4);
  transition: all var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Brand Link */
.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-emblem {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.brand-link:hover .brand-emblem {
  transform: rotate(5deg) scale(1.05);
}

.namam-icon {
  width: 100%;
  height: 100%;
}

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

.brand-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-free {
  background: var(--gold-primary);
  color: #1e102a;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: #ebdcf4;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: #ebdcf4;
  transition: all var(--transition-fast);
  padding: 8px 0;
}

.nav-link:hover {
  color: #fbbf24;
}

.nav-link.highlight-link {
  color: #fbbf24;
  font-weight: 700;
}

.nav-link.highlight-link:hover {
  color: #fde68a;
}

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

/* Mobile Toggle Hamburger Button */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: background var(--transition-fast);
}

.mobile-toggle span {
  width: 20px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.25s ease;
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  background: var(--gold-gradient);
  color: #0b0f19;
  font-weight: 700;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: var(--gold-glow);
}

.glow-button {
  box-shadow: var(--gold-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--surface-border);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.full-width {
  width: 100%;
}

/* Section Global Styles */
.section {
  padding: 80px 0;
  position: relative;
}

.bg-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px auto;
}

.section-tag {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-gold);
  background: rgba(245, 158, 11, 0.12);
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(245, 158, 11, 0.25);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.3rem);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(0.92rem, 1.8vw, 1.05rem);
  color: var(--text-muted);
  line-height: 1.6;
}

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

/* Hero Section */
.hero-section {
  padding: clamp(60px, 10vw, 100px) 0 clamp(50px, 8vw, 80px) 0;
  position: relative;
  text-align: center;
}

.hero-aurora {
  position: absolute;
  width: min(500px, 90vw);
  height: min(500px, 90vw);
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
}

.hero-aurora-1 {
  top: -50px;
  left: 20%;
  background: rgba(245, 158, 11, 0.12);
}

.hero-aurora-2 {
  top: 100px;
  right: 15%;
  background: rgba(99, 102, 241, 0.1);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: clamp(0.78rem, 2vw, 0.88rem);
  font-weight: 600;
  color: #fde68a;
  margin-bottom: 20px;
  max-width: 95%;
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 36px auto;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Trust Metrics Grid */
.trust-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 980px;
  margin: 0 auto;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  padding: 20px 14px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.18);
}

.metric-value {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 800;
  margin-bottom: 4px;
}

.metric-label {
  font-size: clamp(0.75rem, 1.5vw, 0.85rem);
  color: var(--text-muted);
}

.text-emerald { color: var(--accent-emerald); }
.text-gold { color: var(--primary-gold); }
.text-blue { color: var(--accent-blue); }
.text-purple { color: #c084fc; }

/* How It Works Workflow Grid */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  padding: 28px 22px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--surface-border-gold);
}

.step-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary-gold);
  background: rgba(245, 158, 11, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
}

.step-icon-box {
  font-size: 2rem;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* How To Use Steps */
.how-to-use-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.use-step-row {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  align-items: flex-start;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.use-step-row:hover {
  border-color: var(--surface-border-gold);
  transform: translateY(-2px);
}

.use-step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #0b0f19;
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--gold-glow);
}

.use-step-body {
  flex: 1;
}

.use-step-title {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: #ffffff;
}

.use-step-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Interactive Live Sandbox / Simulator */
.sandbox-section {
  background: radial-gradient(circle at center, rgba(17, 24, 39, 0.9) 0%, #0b0f19 100%);
}

.sandbox-container {
  max-width: 980px;
  margin: 0 auto;
}

.sandbox-control-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(30, 41, 59, 0.7);
  padding: 14px 20px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--surface-border);
  border-bottom: none;
  flex-wrap: wrap;
  gap: 12px;
}

.sandbox-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sandbox-metrics {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.metric-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  background: rgba(15, 23, 42, 0.8);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
}

.metric-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
  flex-shrink: 0;
}

.metric-dot.live {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.sandbox-form-surface {
  background: #ffffff;
  color: #1e293b;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border: 1px solid var(--surface-border);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mock-browser-bar {
  background: #f1f5f9;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid #e2e8f0;
  overflow: hidden;
}

.mock-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

.mock-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mock-url-pill {
  background: #ffffff;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  color: #475569;
  border: 1px solid #e2e8f0;
  flex: 1;
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: #dcfce7;
  color: #15803d;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.simulated-ttd-form {
  padding: clamp(16px, 3vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sim-section-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: clamp(12px, 2.5vw, 16px);
}

.sim-section-heading {
  font-size: 0.92rem;
  color: #92400e;
  border-left: 3px solid #d97706;
  padding-left: 8px;
  margin-bottom: 12px;
}

.sim-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.sim-grid-5 {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr 2fr;
  gap: 12px;
}

.sim-field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sim-field-group label {
  font-size: 0.76rem;
  font-weight: 600;
  color: #475569;
}

.sim-field-group input,
.sim-field-group select {
  font-size: 0.88rem;
  padding: 8px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #ffffff;
  color: #0f172a;
  transition: all 0.2s ease;
  width: 100%;
}

.sim-field-group input.flash-fill,
.sim-field-group select.flash-fill {
  background: #ecfdf5 !important;
  border-color: #10b981 !important;
  color: #065f46 !important;
  font-weight: 600;
  transform: scale(1.02);
}

.sim-comparison-bar {
  background: #0f172a;
  color: #f8fafc;
  padding: 14px 18px;
  display: flex;
  justify-content: space-around;
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 10px;
}

.comp-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.comp-item.autofill strong {
  color: #34d399;
}

.comp-item.manual strong {
  color: #f87171;
}

/* Voluntary Donation Section */
.donate-card-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--surface-border-gold);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 48px) clamp(20px, 4vw, 40px);
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--gold-glow);
  backdrop-filter: blur(16px);
}

.donate-header-text {
  text-align: center;
  margin-bottom: 32px;
}

.donation-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.donation-qr-container {
  text-align: center;
  flex-shrink: 0;
}

.donate-qr-img {
  width: clamp(140px, 30vw, 180px);
  height: clamp(140px, 30vw, 180px);
  object-fit: contain;
  border-radius: 12px;
  background: #ffffff;
  padding: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  margin-bottom: 8px;
}

.qr-caption {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.donation-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 440px;
  flex: 1;
  min-width: 260px;
}

.upi-box-highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}

.upi-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.upi-address {
  font-family: monospace;
  font-size: 1.02rem;
  font-weight: 700;
  color: #fde68a;
  flex: 1;
  min-width: 140px;
}

.accepted-apps-strip {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.app-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  padding: 3px 8px;
  border-radius: 20px;
  color: #ffffff;
  font-size: 0.78rem;
}

.devotee-blessing {
  font-size: 0.88rem;
  color: #fde68a;
  line-height: 1.55;
}

/* FAQ Accordion */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

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

.faq-question {
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
  gap: 12px;
}

.faq-icon {
  font-size: 1.3rem;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 280px;
  padding: 0 20px 18px 20px;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  max-width: 1050px;
  margin: 0 auto;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 36px);
  backdrop-filter: blur(12px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group label .req {
  color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  font-size: 0.92rem;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #ffffff;
  outline: none;
  transition: all var(--transition-fast);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

.contact-feedback {
  margin-top: 14px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  text-align: center;
}

.contact-feedback.success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  backdrop-filter: blur(12px);
}

.info-title {
  font-size: 1.25rem;
}

.info-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.channel-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.channel-icon {
  font-size: 1.5rem;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-content {
  display: flex;
  flex-direction: column;
}

.channel-content strong {
  font-size: 0.9rem;
  color: #ffffff;
}

.channel-content span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.support-guarantee-box {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.guarantee-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.support-guarantee-box strong {
  font-size: 0.85rem;
  color: #fde68a;
  display: block;
  margin-bottom: 4px;
}

.support-guarantee-box p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background: #060911;
  border-top: 1px solid var(--surface-border);
  padding: 60px 0 28px 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 380px;
}

.footer-chant {
  font-size: 0.85rem;
  color: #fde68a;
}

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

.footer-links-group h4 {
  font-size: 0.92rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.footer-links-group a {
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links-group a:hover {
  color: var(--primary-gold);
}

.footer-bottom {
  border-top: 1px solid var(--surface-border);
  padding-top: 22px;
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.disclaimer-text {
  line-height: 1.5;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 90vw;
}

.toast {
  pointer-events: auto;
  background: #1e293b;
  color: #ffffff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  border-left: 4px solid var(--primary-gold);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastIn 0.3s ease;
}

.toast.success {
  border-left-color: var(--accent-emerald);
}

.toast.error {
  border-left-color: var(--danger);
}

@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.hidden {
  display: none !important;
}

/* ==================================================== */
/* COMPREHENSIVE RESPONSIVE DESIGN (TABLET & MOBILE)     */
/* ==================================================== */

/* Tablet Screens (<= 1024px) */
@media (max-width: 1024px) {
  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sim-grid-5 {
    grid-template-columns: repeat(2, 1fr);
  }

  .sim-grid-5 .col-span-2 {
    grid-column: span 2;
  }
}

/* Tablet & Mobile Breakpoint (<= 960px) */
@media (max-width: 960px) {
  .site-header {
    top: 34px;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .btn-cta {
    display: none; /* Accessible inside mobile drawer instead */
  }

  /* Slide-Down Mobile Drawer Navigation */
  .nav-menu {
    position: fixed;
    top: 104px; /* below top-announcement + header */
    left: 0;
    right: 0;
    background: rgba(11, 15, 25, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--surface-border-gold);
    flex-direction: column;
    align-items: stretch;
    padding: 24px 20px;
    gap: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    z-index: 80;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }

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

  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-link:hover,
  .nav-link:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--surface-border);
  }

  .nav-link.highlight-link {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.3);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile Screens (<= 768px) */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .use-step-row {
    padding: 20px;
    gap: 14px;
  }

  .donation-box {
    flex-direction: column;
    text-align: center;
  }

  .donation-details {
    max-width: 100%;
    width: 100%;
  }

  .upi-box-highlight {
    justify-content: center;
  }

  .accepted-apps-strip {
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Small Mobile Screens (<= 540px) */
@media (max-width: 540px) {
  .top-announcement {
    font-size: 0.76rem;
    padding: 6px 0;
  }

  .brand-title {
    font-size: 1rem;
  }

  .brand-subtitle {
    display: none;
  }

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

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

  .trust-metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .metric-card {
    padding: 14px 10px;
  }

  .use-step-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .sandbox-control-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .sandbox-actions {
    flex-direction: column;
    width: 100%;
  }

  .sandbox-actions .btn {
    width: 100%;
  }

  .sandbox-metrics {
    justify-content: space-between;
    width: 100%;
  }

  .sim-grid-3 {
    grid-template-columns: 1fr;
  }

  .sim-grid-5 {
    grid-template-columns: 1fr;
  }

  .sim-grid-5 .col-span-2 {
    grid-column: span 1;
  }

  /* Prevent auto-zoom on iOS mobile browsers */
  .form-group input,
  .form-group select,
  .form-group textarea,
  .sim-field-group input,
  .sim-field-group select {
    font-size: 16px;
  }

  .sim-comparison-bar {
    flex-direction: column;
    gap: 8px;
  }

  .upi-box-highlight {
    flex-direction: column;
    align-items: stretch;
  }

  .upi-address {
    text-align: center;
    word-break: break-all;
  }

  .toast-container {
    left: 14px;
    right: 14px;
    bottom: 14px;
    max-width: calc(100vw - 28px);
  }

  .toast {
    width: 100%;
  }
}