/* ===== CSS Variables / Design Tokens ===== */
:root {
  /* Primary Colors - Clean, minimal */
  --primary-50: #f8f9fa;
  --primary-100: #f1f3f5;
  --primary-200: #e9ecef;
  --primary-300: #dee2e6;
  --primary-400: #ced4da;
  --primary-500: #adb5bd;
  --primary-600: #868e96;
  --primary-700: #495057;
  --primary-800: #343a40;
  --primary-900: #212529;

  /* Accent Colors - Subtle blue for links/actions */
  --accent-50: #f8fafc;
  --accent-100: #f1f5f9;
  --accent-500: #64748b;
  --accent-600: #475569;
  --accent-700: #334155;

  /* Brand Color - For CTAs only */
  --brand-500: #171717;
  --brand-600: #0a0a0a;

  /* Neutral Colors */
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;

  /* Semantic Colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Gradients - Subtle white/grey */
  --gradient-subtle: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
  --gradient-section: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;

  /* 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;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows - Very subtle */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.03);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.04), 0 1px 2px -1px rgb(0 0 0 / 0.04);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.06), 0 8px 10px -6px rgb(0 0 0 / 0.06);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-6);
}

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

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: 1.6;
  color: var(--gray-600);
  background-color: #ffffff;
}

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

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

ul {
  list-style: none;
}

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

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

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

.hidden {
  display: none !important;
}

.mb-2 {
  margin-bottom: var(--space-2);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mt-2 {
  margin-top: var(--space-2);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: none;
  transition: var(--transition-base);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 900;
  background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.nav-link:hover {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

/* ===== Hero Section - Clean Minimal ===== */
.hero-modern {
  padding: calc(72px + 56px + var(--space-12)) 0 var(--space-12);
  background: #ffffff;
  position: relative;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(33, 37, 41, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 12px 4px rgba(33, 37, 41, 0.15);
    transform: scale(1.02);
  }
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gray-900);
  border-radius: var(--radius-full);
  animation: dotBlink 1.5s ease-in-out infinite;
}

@keyframes dotBlink {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(0.8);
  }
}

.hero-title-modern {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.1;
  margin-bottom: var(--space-5);
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle-modern {
  font-size: var(--font-size-lg);
  color: var(--gray-500);
  max-width: 520px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-8);
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3) var(--space-6);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--gray-200);
}

/* ===== Platform Access - Merged with Navbar ===== */
.platform-access {
  background: linear-gradient(135deg, var(--gray-900) 0%, #1a1a2e 50%, var(--gray-800) 100%);
  padding: var(--space-3) 0;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.platform-access::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.platform-access-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  position: relative;
}

.platform-access-text {
  color: white;
}

.platform-access-text h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
  background: linear-gradient(90deg, #ffffff 0%, #e0e0e0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.platform-access-text p {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  font-weight: 400;
}

.platform-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.platform-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(255, 255, 255, 0.95);
  color: var(--gray-900);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.platform-btn:hover {
  background: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.platform-btn:active {
  transform: translateY(0);
}

.platform-btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.platform-btn:hover svg {
  transform: scale(1.1);
}

/* ===== Section Styles ===== */
.section {
  padding: var(--space-16) 0;
}

.section-header {
  margin-bottom: var(--space-10);
}

.section-title {
  font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-2xl));
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--gray-500);
  max-width: 480px;
  margin: 0 auto;
}

.section-description {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  margin-bottom: var(--space-4);
}

/* Background Variants */
.bg-white {
  background: white;
}

.bg-light {
  background: var(--gray-50);
}

.bg-light-gradient {
  background: var(--gradient-subtle);
}

/* ===== About Section ===== */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-content p {
  color: var(--gray-600);
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.about-video {
  aspect-ratio: 16/9;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--gray-100);
}

/* ===== Founder Section ===== */
.founder-section {
  background: var(--gray-50);
}

.founder-container {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-10);
  align-items: start;
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--gray-200);
}

.founder-image {
  position: relative;
}

.founder-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: contain;
}

.founder-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.founder-name {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  letter-spacing: -0.02em;
}

.founder-credentials {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  font-weight: 500;
  margin: 0;
}

.founder-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.founder-detail-item {
  padding: var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.founder-detail-item h4 {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.founder-detail-item p {
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  line-height: 1.5;
  margin: 0;
}

.founder-btn {
  align-self: flex-start;
  margin-top: var(--space-3);
  gap: var(--space-2);
}

.founder-know-more {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-600);
  margin: 0;
}

.founder-social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.founder-social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  color: var(--gray-600);
  transition: var(--transition-base);
}

.founder-social-links a:hover {
  background: var(--gray-200);
  color: var(--gray-900);
  transform: translateY(-2px);
}

.founder-btn svg {
  width: 16px;
  height: 16px;
}

/* ===== Steps Grid (How It Works) ===== */
.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.step-item {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

.step-item:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  background: var(--gray-900);
  color: white;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
}

.step-item h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

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

.step-connector {
  width: 40px;
  height: 1px;
  background: var(--gray-200);
  margin-top: 46px;
  flex-shrink: 0;
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.feature-card {
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

.feature-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  color: var(--gray-700);
}

.feature-card h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

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

/* ===== Platform Grid (Full Section) ===== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.platform-card {
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-xl);
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
}

.platform-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-lg);
}

.platform-icon-wrapper {
  margin-bottom: var(--space-4);
}

.platform-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  background: var(--gray-900);
  border-radius: var(--radius-lg);
  color: white;
}

.platform-card h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.platform-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* ===== Side by Side Timeline Sections ===== */
.dual-timeline-section {
  padding: var(--space-16) 0;
  background: var(--gray-50);
}

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

.timeline-column {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--gray-200);
}

.timeline-column-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gray-100);
}

.timeline-column-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.timeline-column-header p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--gray-200);
}

.timeline-item {
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  position: relative;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  flex-shrink: 0;
  z-index: 1;
}

.timeline-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-900);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
}

.timeline-content {
  flex: 1;
  padding-top: var(--space-1);
}

.timeline-content h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.5;
}

/* ===== Contact Section ===== */
.contact-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.contact-header .section-title {
  margin-bottom: var(--space-2);
}

.contact-header p {
  color: var(--gray-500);
  font-size: var(--font-size-base);
  max-width: 600px;
  margin: 0 auto;
}

/* Contact Info Cards */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.contact-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: var(--transition-base);
}

.contact-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
  color: var(--gray-700);
}

.contact-card h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.contact-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: 0;
  line-height: 1.6;
}

.contact-card a {
  color: var(--gray-600);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-card a:hover {
  color: var(--gray-900);
}

/* Contact Form Wrapper */
.contact-form-wrapper {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 900px;
  margin: 0 auto;
}

.contact-form-header {
  margin-bottom: var(--space-6);
}

.contact-form-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.glass-panel {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  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);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background: white;
  border-color: var(--gray-400);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--gray-900);
  color: white;
  border: none;
}

.btn-primary:hover {
  background: var(--gray-800);
}

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-text {
  background: transparent;
  color: var(--gray-600);
  padding: var(--space-2) var(--space-4);
}

.btn-text:hover {
  color: var(--gray-900);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

/* ===== Footer ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: white;
  display: inline-block;
  margin-bottom: var(--space-3);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.social-icons {
  display: flex;
  gap: var(--space-3);
}

.social-icons a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-800);
  border-radius: var(--radius-md);
  color: var(--gray-400);
  transition: var(--transition-fast);
}

.social-icons a:hover {
  background: var(--gray-700);
  color: white;
}

.footer-col h4 {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--gray-800);
  text-align: center;
}

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

/* ===== Modals ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  padding: var(--space-6);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 400px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-2xl);
  animation: modalSlideIn 0.2s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close-modal {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--gray-400);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.close-modal:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.modal-content h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: var(--space-5);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}

.forgot-password {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  transition: color var(--transition-fast);
}

.forgot-password:hover {
  color: var(--gray-900);
}

.role-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about-content {
    order: 2;
  }

  .about-video {
    order: 1;
  }

  .founder-container {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .founder-image {
    max-width: 280px;
    margin: 0 auto;
  }

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

  .founder-details {
    grid-template-columns: 1fr;
  }

  .founder-btn {
    align-self: center;
  }

  .dual-timeline-grid {
    grid-template-columns: 1fr;
  }

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

  .brand-col {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
  }

  .nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .platform-access {
    padding: var(--space-3) 0;
  }

  .platform-access-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  .platform-access-text h3 {
    font-size: var(--font-size-sm);
  }

  .platform-access-text p {
    font-size: var(--font-size-xs);
  }

  .platform-buttons {
    justify-content: center;
    width: 100%;
  }

  .platform-btn {
    flex: 1;
    min-width: 90px;
    justify-content: center;
    padding: var(--space-2) var(--space-3);
  }

  .hero-modern {
    padding-top: calc(72px + 80px + var(--space-8));
  }

  .stats-bar {
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-5);
  }

  .stat-item {
    padding: var(--space-2) 0;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 1px;
    height: 24px;
    margin: 0;
  }

  .step-item {
    max-width: 100%;
  }

  .timeline-column {
    padding: var(--space-5);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .brand-col {
    grid-column: span 1;
  }

  .glass-panel {
    padding: var(--space-5);
  }

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

  /* Contact Section Mobile Styles */
  .contact-cards {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .contact-card {
    padding: var(--space-5);
  }

  .contact-card-icon {
    width: 40px;
    height: 40px;
  }

  .contact-card h4 {
    font-size: var(--font-size-sm);
  }

  .contact-card p {
    font-size: var(--font-size-xs);
  }

  .contact-form-wrapper {
    padding: var(--space-6);
  }

  .contact-form-header h3 {
    font-size: var(--font-size-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .hero-title-modern {
    font-size: var(--font-size-2xl);
  }

  .hero-modern {
    padding-top: calc(72px + 100px + var(--space-6));
  }

  .section {
    padding: var(--space-10) 0;
  }

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

  .modal-content {
    padding: var(--space-5);
    margin: var(--space-4);
  }

  .stat-number {
    font-size: var(--font-size-xl);
  }

  .platform-access {
    padding: var(--space-2) 0;
  }

  .platform-access-text h3 {
    font-size: var(--font-size-xs);
    margin-bottom: 0;
  }

  .platform-access-text p {
    display: none;
  }

  .platform-btn {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    flex: 1 1 auto;
    gap: var(--space-1);
  }

  .platform-btn svg {
    width: 14px;
    height: 14px;
  }

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

  /* Contact Section Small Mobile Styles */
  .contact-cards {
    gap: var(--space-3);
  }

  .contact-card {
    padding: var(--space-4);
  }

  .contact-form-wrapper {
    padding: var(--space-5);
  }
}

/* ===== App Download Popup ===== */
.app-popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: var(--space-4);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.app-popup-overlay.active {
  display: flex;
  opacity: 1;
}

.app-popup {
  background: white;
  border-radius: 20px;
  max-width: 420px;
  width: 100%;
  position: relative;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35), 0 10px 30px rgba(0, 0, 0, 0.25);
  animation: popupSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.app-popup-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  background: var(--gray-100);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.app-popup-close:hover {
  background: var(--gray-200);
  color: var(--gray-700);
  transform: rotate(90deg);
}

.app-popup-close svg {
  width: 16px;
  height: 16px;
}

.app-popup-header {
  padding: var(--space-5) var(--space-5) var(--space-3);
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
}

.app-popup-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.app-popup-content {
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
}

.app-popup-intro {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  text-align: center;
}

.app-popup-features {
  margin-bottom: var(--space-4);
}

.app-popup-features ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.app-popup-features li {
  font-size: 13px;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.app-popup-features li::before {
  content: '•';
  color: var(--gray-400);
  font-weight: 700;
}

.app-popup-actions {
  display: flex;
  flex-direction: row;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  justify-content: center;
}

.store-badge {
  flex: 1;
  display: block;
  transition: transform var(--transition-base);
  max-width: 160px;
}

.store-badge:hover {
  transform: scale(1.02);
}

.store-badge img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

.app-popup-link {
  background: transparent;
  color: var(--gray-500);
  font-size: 13px;
  font-weight: 500;
  padding: var(--space-2);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-align: center;
  width: 100%;
}

.app-popup-link:hover {
  color: var(--gray-700);
  text-decoration: underline;
}

.app-popup-note {
  padding: 0 var(--space-5) var(--space-4);
  font-size: 10px;
  color: var(--gray-400);
  text-align: center;
  line-height: 1.4;
}

/* Popup Mobile Styles */
@media (max-width: 640px) {
  .app-popup {
    max-width: 100%;
    border-radius: 16px;
  }

  .app-popup-header {
    padding: var(--space-4) var(--space-4) var(--space-3);
  }

  .app-popup-title {
    font-size: 18px;
  }

  .app-popup-content {
    padding: var(--space-4) var(--space-4);
  }

  .app-popup-intro {
    font-size: 13px;
  }

  .app-popup-features li {
    font-size: 12px;
  }

  .app-popup-actions {
    gap: var(--space-2);
  }

  .store-badge {
    max-width: 140px;
  }

  .app-popup-note {
    padding: 0 var(--space-4) var(--space-3);
    font-size: 9px;
  }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content,
.stats-bar,
.section-header,
.step-item,
.feature-card,
.platform-card,
.timeline-item {
  animation: fadeInUp 0.5s ease forwards;
}

.step-item:nth-child(1) { animation-delay: 0.05s; }
.step-item:nth-child(3) { animation-delay: 0.1s; }
.step-item:nth-child(5) { animation-delay: 0.15s; }

.feature-card:nth-child(1) { animation-delay: 0.05s; }
.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.15s; }

.platform-card:nth-child(1) { animation-delay: 0.05s; }
.platform-card:nth-child(2) { animation-delay: 0.1s; }
.platform-card:nth-child(3) { animation-delay: 0.15s; }

.timeline-item:nth-child(1) { animation-delay: 0.05s; }
.timeline-item:nth-child(2) { animation-delay: 0.1s; }
.timeline-item:nth-child(3) { animation-delay: 0.15s; }
.timeline-item:nth-child(4) { animation-delay: 0.2s; }
.timeline-item:nth-child(5) { animation-delay: 0.25s; }