/* ============================================
   DROP Autopilot — Design System & Styles
   Clean, minimal, trustworthy aesthetic
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Color Palette — Trustworthy & Professional */
  --white: #FFFFFF;
  --off-white: #FAFBFC;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  --navy-900: #0C1B33;
  --navy-800: #122444;
  --navy-700: #1E3A5F;
  --navy-600: #1E40AF;

  --blue-500: #3B82F6;
  --blue-600: #2563EB;

  --teal-400: #2DD4BF;
  --teal-500: #14B8A6;
  --teal-600: #0891B2;

  --red-500: #EF4444;
  --red-600: #DC2626;

  --green-500: #22C55E;
  --green-600: #16A34A;

  --amber-500: #F59E0B;

  /* Primary branding */
  --primary: #1E3A5F;
  --primary-light: #2563EB;
  --primary-dark: #0C1B33;
  --accent: #0891B2;
  --accent-light: #06B6D4;
  --danger: #DC2626;
  --success: #16A34A;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-headings: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 0 0 1px rgba(0,0,0,0.03), 0 2px 4px rgba(0,0,0,0.04), 0 12px 24px rgba(0,0,0,0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Heading & Structural Typography */
h1, h2, h3, h4, h5, h6,
.section-title,
.section-label,
.nav-brand-text,
.hero-badge,
.countdown-value,
.hero-stat-value,
.penalty-card-value,
.requirement-number,
.flow-step-num,
.timeline-dot,
.btn-primary,
.btn-secondary,
.btn-submit,
.form-group label {
  font-family: var(--font-family-headings);
}

img {
  max-width: 100%;
  display: block;
}

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

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  outline: none;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(8, 145, 178, 0.08);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.section-label .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 640px;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-brand img {
  height: 36px;
  width: 36px;
  border-radius: var(--radius-sm);
}

.nav-brand-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

.nav-brand-text span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--gray-900);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary);
  color: var(--white) !important;
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: 0 1px 2px rgba(30, 58, 95, 0.2);
}

.nav-cta:hover {
  background: var(--navy-800);
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25);
}

.nav-cta::after {
  display: none !important;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-24);
  position: relative;
  overflow: hidden;
  background: var(--white);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(8, 145, 178, 0.05) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 50%, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

/* Subtle grid background */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 20%, transparent 70%);
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(220, 38, 38, 0.06);
  color: var(--danger);
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
  border: 1px solid rgba(220, 38, 38, 0.12);
}

.hero-badge .pulse-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  animation: pulse-urgency 1.5s ease-in-out infinite;
}

@keyframes pulse-urgency {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
}

.hero h1 {
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto var(--space-10);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary);
  color: var(--white);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.2);
}

.btn-primary:hover {
  background: var(--navy-800);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 58, 95, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--white);
  color: var(--gray-700);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: var(--gray-50);
  color: var(--gray-900);
  border-color: var(--gray-300);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Countdown Timer */
.countdown-wrapper {
  margin-bottom: var(--space-8);
}

.countdown-label {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

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

.countdown-value {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.countdown-unit {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-top: var(--space-1);
}

.countdown-separator {
  font-size: var(--font-size-3xl);
  color: var(--gray-300);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 16px;
}

/* Stats bar */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--gray-100);
  flex-wrap: wrap;
}

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

.hero-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero-stat-value.danger {
  color: var(--danger);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  font-weight: 500;
  margin-top: var(--space-1);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
  padding: var(--space-24) 0;
  background: var(--gray-50);
  position: relative;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.problem-content {
  max-width: 540px;
}

.problem-content .section-title {
  font-size: var(--font-size-3xl);
}

.problem-list {
  list-style: none;
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.problem-list li {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.problem-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(220, 38, 38, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--danger);
  font-size: var(--font-size-lg);
}

.problem-list li strong {
  display: block;
  color: var(--gray-800);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.problem-list li p {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Penalty cards */
.penalty-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.penalty-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.penalty-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.penalty-card.danger-card {
  border-left: 4px solid var(--danger);
}

.penalty-card.warning-card {
  border-left: 4px solid var(--amber-500);
}

.penalty-card-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--danger);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.warning-card .penalty-card-value {
  color: var(--amber-500);
}

.penalty-card-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: 500;
}

.penalty-card-desc {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  margin-top: var(--space-2);
}

/* ============================================
   DELETE ACT SECTION
   ============================================ */
.delete-act {
  padding: var(--space-24) 0;
  background: var(--white);
}

.delete-act .section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.delete-act .section-subtitle {
  margin: 0 auto;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.requirement-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.requirement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.requirement-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.requirement-card:hover::before {
  opacity: 1;
}

.requirement-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

.requirement-card:hover .requirement-number {
  background: var(--accent);
  color: var(--white);
}

.requirement-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3);
}

.requirement-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.7;
}

/* Timeline visual */
.compliance-timeline {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  border: 1px solid var(--gray-100);
}

.timeline-title {
  text-align: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-10);
}

.timeline-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: var(--gray-200);
}

.timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.timeline-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
}

.timeline-step:hover .timeline-dot {
  border-color: var(--accent);
  background: rgba(8, 145, 178, 0.08);
  transform: scale(1.1);
}

.timeline-step h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-1);
}

.timeline-step p {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
  max-width: 120px;
}

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution {
  padding: var(--space-24) 0;
  background: var(--primary-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.solution::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(8, 145, 178, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.solution .container {
  position: relative;
  z-index: 1;
}

.solution .section-label {
  background: rgba(8, 145, 178, 0.15);
  color: var(--teal-400);
}

.solution .section-label .dot {
  background: var(--teal-400);
}

.solution .section-title {
  color: var(--white);
}

.solution .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.solution .section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.solution .section-subtitle {
  margin: 0 auto;
}

/* Flow steps */
.solution-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.flow-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
}

.flow-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(8, 145, 178, 0.3);
  transform: translateY(-4px);
}

.flow-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(8, 145, 178, 0.15);
  color: var(--teal-400);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-5);
}

.flow-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.flow-card p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
}

/* Feature cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.feature-card {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-base);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(8, 145, 178, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
}

.feature-card h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
}

/* ============================================
   HOW IT WORKS (INTERACTIVE)
   ============================================ */
.how-it-works {
  padding: var(--space-24) 0;
  background: var(--white);
}

.how-it-works .section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.how-it-works .section-subtitle {
  margin: 0 auto;
}

.steps-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-100);
}

.step-item {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
  position: relative;
}

.step-item:last-child {
  margin-bottom: 0;
}

.step-marker {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  position: relative;
  z-index: 1;
  transition: all var(--transition-slow);
}

.step-item.active .step-marker {
  border-color: var(--accent);
  background: rgba(8, 145, 178, 0.08);
  box-shadow: 0 0 0 6px rgba(8, 145, 178, 0.08);
}

.step-body {
  flex: 1;
  padding-top: var(--space-4);
}

.step-body h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.step-body p {
  font-size: var(--font-size-base);
  color: var(--gray-500);
  line-height: 1.7;
}

.step-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(22, 163, 74, 0.08);
  color: var(--success);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: var(--space-3);
}

/* ============================================
   WHY CHOOSE US / TRUST
   ============================================ */
.trust {
  padding: var(--space-24) 0;
  background: var(--gray-50);
}

.trust .section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.trust .section-subtitle {
  margin: 0 auto;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.trust-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.trust-card:hover {
  border-color: var(--gray-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.trust-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--space-5);
  transition: all var(--transition-base);
}

.trust-card:hover .trust-icon {
  background: rgba(8, 145, 178, 0.08);
}

.trust-card h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.trust-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  padding: var(--space-24) 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info {
  max-width: 480px;
}

.contact-info .section-title {
  font-size: var(--font-size-3xl);
}

.contact-methods {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-method {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-method-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.contact-method strong {
  display: block;
  color: var(--gray-800);
  font-weight: 600;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
}

.contact-method span {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

/* Contact form */
.contact-form-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--gray-800);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.btn-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: var(--primary);
  color: var(--white);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.2);
  margin-top: var(--space-3);
}

.btn-submit:hover {
  background: var(--navy-800);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(30, 58, 95, 0.3);
}

.form-note {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--gray-400);
  margin-top: var(--space-4);
}

/* Success message */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-10);
}

.form-success.show {
  display: block;
}

.form-success .success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin: 0 auto var(--space-5);
}

.form-success h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.form-success p {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--navy-700) 50%, var(--accent) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.cta-banner p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-8);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.cta-banner .btn-primary:hover {
  background: var(--gray-50);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-top: var(--space-4);
  color: rgba(255, 255, 255, 0.4);
}

.footer-brand .nav-brand {
  margin-bottom: var(--space-2);
}

.footer-brand .nav-brand-text {
  color: var(--white);
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.35);
}

.footer-legal a:hover {
  color: var(--white);
}

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    gap: var(--space-4);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: var(--font-size-4xl);
  }

  .hero-stats {
    gap: var(--space-6);
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

  .solution-flow {
    grid-template-columns: 1fr;
  }

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

  .timeline-steps {
    flex-direction: column;
    gap: var(--space-6);
    align-items: flex-start;
    padding-left: var(--space-8);
  }

  .timeline-steps::before {
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    height: auto;
    right: auto;
  }

  .timeline-step {
    flex-direction: row;
    text-align: left;
    gap: var(--space-4);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

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

  .countdown {
    gap: var(--space-3);
  }

  .countdown-value {
    font-size: var(--font-size-3xl);
  }

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

  .section-title {
    font-size: var(--font-size-3xl);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .cta-banner h2 {
    font-size: var(--font-size-3xl);
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-16);
  }

  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .countdown {
    gap: var(--space-2);
  }

  .countdown-value {
    font-size: var(--font-size-2xl);
  }
}

/* --- Article Pages --- */
.article-section {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-20);
  background: var(--white);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: var(--space-8);
}

.article-meta {
  display: flex;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  margin-bottom: var(--space-4);
}

.article-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.article-body {
  font-size: var(--font-size-base);
  color: var(--gray-700);
  line-height: 1.8;
}

.article-body p {
  margin-bottom: var(--space-6);
}

.article-body h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin: var(--space-10) 0 var(--space-4);
  letter-spacing: -0.015em;
}

.article-body h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin: var(--space-8) 0 var(--space-3);
}

.article-body ul, .article-body ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.article-body li {
  margin-bottom: var(--space-2);
}

.article-body code {
  font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
  font-size: 0.9em;
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--navy-700);
}

.article-body pre {
  background: var(--gray-900);
  color: var(--gray-100);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-6);
}

.article-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: var(--font-size-sm);
}

.article-cta {
  margin-top: var(--space-16);
  padding: var(--space-10);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  text-align: center;
}

.article-cta h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
  color: var(--gray-900);
}

.article-cta p {
  color: var(--gray-500);
  margin-bottom: var(--space-6);
}

/* ============================================
   GEO & FAQ Custom Styles
   ============================================ */

/* At a Glance / Key Takeaways Box (GEO optimization) */
.at-a-glance {
  padding: var(--space-12) 0;
  background: var(--gray-50);
}

.takeaways-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-left: 6px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-10);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-6);
}

.takeaways-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.takeaways-icon {
  font-size: var(--font-size-2xl);
  line-height: 1;
}

.takeaways-header h3 {
  font-size: var(--font-size-xl);
  color: var(--navy-900);
  margin: 0;
  font-family: var(--font-family-headings);
  font-weight: 700;
}

.takeaways-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.takeaway-item strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.takeaway-item p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: 0;
  line-height: 1.5;
}

/* FAQ Section Styles (Accordion) */
.faq-section {
  padding: var(--space-20) 0;
  background: var(--white);
  border-top: 1px solid var(--gray-100);
}

.faq-accordion {
  max-width: 850px;
  margin: var(--space-12) auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--accent);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--font-size-lg);
  color: var(--navy-900);
  font-family: var(--font-family-headings);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  background-color: rgba(8, 145, 178, 0.03);
}

.faq-arrow {
  font-size: 0.75rem;
  color: var(--gray-400);
  transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-question {
  background-color: rgba(8, 145, 178, 0.02);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease, border-color 0.3s ease;
  padding: 0 var(--space-6);
  border-top: 1px solid transparent;
}

.faq-answer p {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}