/* =====================================================================
   AI RAMU — World-Class Premium Light Theme & WhatsApp-First Stylesheet
   Designed for India • Mobile-First • Lightning Fast • High Conversion
   ===================================================================== */

:root {
  /* Color Palette - Premium Light Theme */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-on-dark: #FFFFFF;
  
  /* Brand Accents */
  --wa-green: #25D366;
  --wa-dark: #128C7E;
  --wa-deep: #075E54;
  --wa-bubble-user: #DCF8C6;
  --wa-bubble-bot: #FFFFFF;
  
  --saffron-main: #F59E0B;
  --saffron-dark: #D97706;
  --saffron-light: #FEF3C7;
  
  --emerald-main: #10B981;
  --emerald-light: #D1FAE5;
  
  /* Borders & Shadows */
  --border-subtle: #E2E8F0;
  --border-focus: #CBD5E1;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(0, 0, 0, 0.09), 0 10px 15px -5px rgba(0, 0, 0, 0.03);
  --shadow-wa: 0 8px 24px -4px rgba(37, 211, 102, 0.35);

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-code: 'Fira Code', monospace;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 9999px;
  
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient Radial Glows (Subtle, Non-intrusive) */
.ambient-glow {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(90px);
}

.glow-top {
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, rgba(37, 211, 102, 0.06) 50%, transparent 70%);
}

.glow-right {
  top: 600px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* Typography Hierarchy */
h1, h2, h3, h4, .brand-name {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

/* Reusable Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1;
}

.btn-whatsapp-sm {
  background-color: var(--wa-green);
  color: var(--text-on-dark);
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-sm:hover {
  background-color: #20bd5a;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp-md {
  background-color: var(--wa-green);
  color: var(--text-on-dark);
  padding: 13px 26px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: var(--shadow-wa);
}

.btn-whatsapp-md:hover {
  background-color: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -2px rgba(37, 211, 102, 0.45);
}

.btn-whatsapp-lg {
  background: linear-gradient(135deg, #25D366 0%, #1FB855 100%);
  color: var(--text-on-dark);
  padding: 16px 32px;
  font-size: 1.08rem;
  font-weight: 700;
  box-shadow: var(--shadow-wa);
}

.btn-whatsapp-lg:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.45);
}

.btn-share {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 15px 24px;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
}

.btn-share:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.btn-copy-link {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 12px 22px;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.btn-copy-link:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-focus);
}

/* =====================================================================
   Header / Navbar
   ===================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  padding: 12px 0;
}

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

.brand-group {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-avatar {
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--wa-green);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

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

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--wa-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.nav-links a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-github-link {
  color: var(--text-muted) !important;
}

/* =====================================================================
   Hero Section
   ===================================================================== */
.hero-section {
  padding: 68px 0 54px;
  text-align: center;
}

.hero-container {
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #FEF3C7;
  color: #92400E;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--saffron-main);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.hero-headline {
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.hero-gradient {
  background: linear-gradient(135deg, #0F172A 30%, #128C7E 70%, #25D366 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtext {
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 34px;
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtext strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Terminal Quickstart Box in Hero */
.terminal-quickstart-card {
  background-color: #0F172A;
  color: #F8FAFC;
  border-radius: var(--radius-lg);
  border: 1px solid #1E293B;
  box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.05);
  max-width: 680px;
  margin: 0 auto 32px;
  overflow: hidden;
  text-align: left;
}

.terminal-header {
  background-color: #1E293B;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #334155;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

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

.dot.red { background-color: #EF4444; }
.dot.yellow { background-color: #F59E0B; }
.dot.green { background-color: #10B981; }

.terminal-title {
  font-family: var(--font-code);
  font-size: 0.76rem;
  color: #94A3B8;
  letter-spacing: -0.01em;
}

.terminal-badge {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34D399;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.terminal-body {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-code);
}

.command-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  flex-wrap: wrap;
}

.prompt-symbol {
  color: #F59E0B;
  font-weight: 700;
  user-select: none;
}

.command-text {
  color: #38BDF8;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.command-note {
  font-size: 0.85rem;
  color: #64748B;
  font-family: var(--font-body);
}

.command-note strong {
  color: #E2E8F0;
  font-family: var(--font-code);
}

.btn-copy-cmd {
  background-color: #334155;
  color: #F8FAFC;
  border: 1px solid #475569;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-copy-cmd:hover {
  background-color: #475569;
  border-color: #64748B;
  transform: translateY(-1px);
}

.terminal-footer {
  background-color: #0B1120;
  padding: 8px 16px;
  font-size: 0.78rem;
  color: #94A3B8;
  border-top: 1px solid #1E293B;
}

.hero-cta-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-micro-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.micro-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.check-icon {
  color: var(--wa-green);
  font-weight: 700;
}

.micro-divider {
  color: #CBD5E1;
}

/* =====================================================================
   Interactive WhatsApp Demo Section
   ===================================================================== */
.demo-section {
  padding: 64px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 36px;
}

.text-center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--wa-dark);
  background-color: var(--emerald-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.saffron-tag {
  color: var(--saffron-dark);
  background-color: var(--saffron-light);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 10px;
}

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

/* Scenario Selector Tabs */
.scenario-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.scenario-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 9px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scenario-btn:hover {
  background-color: #F1F5F9;
  border-color: var(--border-focus);
}

.scenario-btn.active {
  background-color: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
  box-shadow: var(--shadow-sm);
}

/* Smartphone Device Mockup */
.phone-mockup-wrapper {
  max-width: 440px;
  margin: 0 auto;
}

.phone-mockup {
  background-color: #ECE5DD;
  background-image: radial-gradient(#d3c8bb 1px, transparent 1px);
  background-size: 20px 20px;
  border-radius: 36px;
  border: 8px solid #1E293B;
  box-shadow: 0 25px 60px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 540px;
}

/* WhatsApp Chat Header */
.wa-chat-header {
  background-color: var(--wa-deep);
  color: #FFFFFF;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wa-back-btn {
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  color: #FFFFFF;
  opacity: 0.9;
}

.wa-chat-avatar {
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid #FFFFFF;
}

.wa-chat-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.wa-chat-title {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.95rem;
  font-weight: 700;
}

.wa-verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--wa-green);
  color: #FFFFFF;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 800;
}

.wa-chat-status {
  font-size: 0.72rem;
  opacity: 0.85;
}

.wa-header-icons {
  display: flex;
  gap: 12px;
  font-size: 1.1rem;
  opacity: 0.85;
}

/* WhatsApp Chat Thread Body */
.wa-chat-body {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wa-date-pill {
  align-self: center;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  margin-bottom: 6px;
}

.wa-bubble {
  max-width: 82%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  position: relative;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  word-break: break-word;
}

.wa-bubble-in {
  align-self: flex-start;
  background-color: var(--wa-bubble-bot);
  color: var(--text-primary);
  border-top-left-radius: 2px;
}

.wa-bubble-out {
  align-self: flex-end;
  background-color: var(--wa-bubble-user);
  color: var(--text-primary);
  border-top-right-radius: 2px;
}

.wa-msg-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.wa-ticks {
  color: #34B7F1;
  font-weight: 700;
}

/* WhatsApp Fake Footer */
.wa-chat-footer {
  background-color: #F0F2F5;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wa-input-box {
  flex: 1;
  background-color: #FFFFFF;
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 0.85rem;
  color: #94A3B8;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.wa-input-emoji, .wa-input-mic {
  font-size: 1.25rem;
  cursor: pointer;
}

.demo-cta-box {
  margin-top: 32px;
}

.demo-cta-box p {
  font-size: 0.95rem;
  margin-bottom: 12px;
  font-weight: 500;
}

/* =====================================================================
   Why on Your PC Section
   ===================================================================== */
.why-pc-section {
  padding: 80px 0 60px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
}

.why-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.why-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

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

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* =====================================================================
   How It Works (Steps Section)
   ===================================================================== */
.steps-section {
  padding: 80px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.step-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.step-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: #F1F5F9;
  line-height: 1;
}

.step-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.step-heading {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =====================================================================
   Trust & Privacy Section
   ===================================================================== */
.trust-section {
  padding: 80px 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.trust-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
}

.trust-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.trust-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.trust-body {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* =====================================================================
   Distribution & Share Section
   ===================================================================== */
.share-section {
  padding: 70px 0;
}

.share-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-xl);
  padding: 44px 36px;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}

.share-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #78350F;
}

.share-desc {
  font-size: 1.05rem;
  color: #92400E;
  margin-bottom: 28px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.share-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* =====================================================================
   Final CTA Section
   ===================================================================== */
.final-cta-section {
  padding: 70px 0 80px;
  text-align: center;
}

.final-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.final-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.final-actions {
  display: flex;
  justify-content: center;
}

/* =====================================================================
   Footer
   ===================================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  background-color: #FAFAFA;
  padding: 48px 0 36px;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-bottom .disclaimer {
  font-size: 0.75rem;
  color: #94A3B8;
}

/* Toast Notice */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #0F172A;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================================
   Mobile Responsiveness (Strict & Validated)
   ===================================================================== */
@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .hero-headline {
    font-size: 2.8rem;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero-section {
    padding: 44px 0 36px;
  }

  .hero-headline {
    font-size: 2.2rem;
    letter-spacing: -0.03em;
  }

  .hero-subtext {
    font-size: 1.02rem;
  }

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

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

  .btn-whatsapp-lg, .btn-share {
    width: 100%;
  }

  .hero-micro-trust {
    flex-direction: column;
    gap: 6px;
  }

  .micro-divider {
    display: none;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

  .phone-mockup {
    height: 480px;
    border-radius: 28px;
    border-width: 6px;
  }

  .share-card {
    padding: 30px 20px;
  }

  .share-title {
    font-size: 1.6rem;
  }

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

  .btn-copy-link, .share-actions .btn-whatsapp-md {
    width: 100%;
  }

  .final-title {
    font-size: 2.1rem;
  }
}

@media (max-width: 360px) {
  .hero-headline {
    font-size: 1.9rem;
  }

  .brand-tagline {
    display: none;
  }
}