/* ============================================
   NomNom Landing Page – Design Tokens
   ============================================ */
:root {
  /* Brand colors */
  --primary: #00629B;
  --primary-light: #3b82f6;
  --primary-hover: #00507d;
  
  /* Backgrounds */
  --bg-light: #eff6ff;
  --bg-muted: #f9fafb;
  --bg-white: #ffffff;
  
  /* Text */
  --text-primary: #374151;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  
  /* Accents */
  --success: #10b981;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing & layout */
  --container-max: 1200px;
  --section-padding: 5rem;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 6px -1px rgba(0, 98, 155, 0.08), 0 2px 4px -2px rgba(0, 98, 155, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 98, 155, 0.1), 0 8px 10px -6px rgba(0, 98, 155, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.cta-nav {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}

.cta-nav:hover {
  background: var(--bg-light);
  color: var(--primary-hover);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--bg-light);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-secondary:hover {
  background: white;
  color: var(--primary-light);
  border-color: var(--primary-light);
}

.btn-secondary-dark {
  background: var(--text-primary);
  color: white;
}

.btn-secondary-dark:hover {
  background: #1f2937;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 60%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(0, 98, 155, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 36rem;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0, 98, 155, 0.1);
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero-title .highlight {
  color: var(--primary);
}

.hero-subhead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 32rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: none;
}

@media (min-width: 1024px) {
  .hero-visual {
    display: block;
  }
}

.phone-mockup {
  --phone-width: 260px;
}

.phone-frame {
  width: var(--phone-width);
  height: 520px;
  background: var(--text-primary);
  border-radius: 2rem;
  padding: 12px;
  box-shadow: var(--shadow-lg);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg-white);
  border-radius: 1.5rem;
  overflow: hidden;
}

.mock-app {
  padding: 1rem;
  height: 100%;
}

.mock-app-header {
  height: 40px;
  background: var(--primary);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.mock-app-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mock-card {
  height: 80px;
  background: var(--bg-muted);
  border-radius: 8px;
}

.mock-card.short {
  height: 50px;
  width: 70%;
}

/* ============================================
   Sections (common)
   ============================================ */
.section {
  padding: var(--section-padding) 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   How it works
   ============================================ */
.section-how {
  background: var(--bg-white);
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .steps {
    flex-direction: row;
    justify-content: center;
    gap: 0;
  }
}

.step {
  position: relative;
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.step-num {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon {
  width: 48px;
  height: 48px;
  margin: 1rem auto;
  color: var(--primary);
}

.step-icon svg {
  width: 100%;
  height: 100%;
}

.step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.step-connector {
  display: none;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--primary));
}

@media (min-width: 768px) {
  .step-connector {
    display: block;
    flex-shrink: 0;
    align-self: center;
  }
}

/* ============================================
   Features
   ============================================ */
.section-features {
  background: var(--bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--bg-white);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.feature-price {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.feature-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ============================================
   Two audiences
   ============================================ */
.section-audiences {
  background: var(--bg-white);
}

.audience-cards {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.audience-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  padding: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

@media (min-width: 768px) {
  .audience-card {
    grid-template-columns: 1fr 1fr;
    padding: 4rem;
  }
}

.audience-students {
  background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
  border-color: rgba(0, 98, 155, 0.15);
}

.audience-riders {
  background: linear-gradient(135deg, var(--bg-muted) 0%, white 100%);
}

.audience-riders .audience-content {
  order: 2;
}

@media (min-width: 768px) {
  .audience-riders .audience-visual {
    order: 1;
  }
}

.audience-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.audience-card h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.audience-card p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.illustration-placeholder {
  height: 200px;
  border-radius: var(--radius);
}

.illustration-order {
  background: linear-gradient(135deg, rgba(0, 98, 155, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
  border: 2px dashed rgba(0, 98, 155, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
}

.illustration-order::after {
  content: '🍽️';
  font-size: 4rem;
}

.illustration-ride {
  background: linear-gradient(135deg, rgba(55, 65, 81, 0.12) 0%, rgba(107, 114, 128, 0.08) 100%);
  border: 2px dashed rgba(55, 65, 81, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.illustration-ride::after {
  content: '🚴';
  font-size: 4rem;
}

/* ============================================
   App store badges
   ============================================ */
.section-download {
  background: var(--bg-light);
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.store-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-weight: 600;
  transition: all 0.2s;
}

.store-badge:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow);
}

.store-icon {
  width: 36px;
  height: 36px;
}

.store-badge span {
  display: block;
  font-size: 1.0625rem;
}

.store-badge small {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-muted);
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border-light);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 0.25rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

/* ============================================
   Mobile menu
   ============================================ */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-white);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow);
  }

  .nav.nav-open .nav-menu {
    display: flex;
  }

  .nav.nav-open .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .menu-toggle {
    display: flex;
  }
}