/* ==========================================================================
   HongHa EcoCity Landing Page Stylesheet
   DoorDash-Inspired Modern Aesthetics:
   - High visual impact typography & clear hierarchy
   - Bold accent colors (DoorDash red/coral tone mixed with Eco Green)
   - Elegant rounded cards, floating interactive badges
   - Smooth transitions, responsive layout & mobile-first touch optimization
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --primary: #eb1700;           /* DoorDash signature vibrant red */
  --primary-hover: #cc1400;
  --primary-light: #fff0ed;
  --primary-gradient: linear-gradient(135deg, #eb1700 0%, #ff5e3a 100%);
  
  --eco-green: #0d9488;         /* Fresh Eco green for EcoCity branding */
  --eco-light: #e6fffa;
  --eco-dark: #0f766e;

  --secondary: #191919;         /* High contrast dark tone */
  --secondary-muted: #494949;
  --body-text: #2d3748;
  --muted-text: #6b7280;
  --light-text: #9ca3af;

  --bg-page: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --border-light: #f1f5f9;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(0, 0, 0, 0.1), 0 8px 16px -6px rgba(0, 0, 0, 0.05);
  --shadow-primary: 0 10px 25px -5px rgba(235, 23, 0, 0.3);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

button, input {
  font-family: inherit;
  outline: none;
}

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

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Common Section Header */
.section-header {
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--muted-text);
  max-width: 680px;
  margin: 0 auto;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--primary-gradient);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-primary);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -4px rgba(235, 23, 0, 0.4);
}

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

.btn-block {
  width: 100%;
}

/* ==========================================================================
   1. Floating Navbar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  object-fit: cover;
}

.brand-name {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--secondary);
  letter-spacing: -0.02em;
}

.brand-tagline {
  display: block;
  font-size: 0.72rem;
  color: var(--eco-dark);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--secondary-muted);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher Pill (DoorDash Style) */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--secondary-muted);
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn .flag-icon {
  font-size: 0.95rem;
  line-height: 1;
}

.lang-btn:hover {
  color: var(--secondary);
}

.lang-btn.active {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mobile-drawer-lang {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.mobile-drawer-lang .lang-switcher {
  padding: 4px;
}

.mobile-drawer-lang .lang-btn {
  padding: 8px 18px;
  font-size: 0.9rem;
}

.nav-download-btn {
  padding: 10px 22px;
  font-size: 0.9rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--secondary);
  padding: 6px;
}

.mobile-drawer {
  display: none;
  background: #ffffff;
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.mobile-drawer.open {
  display: block;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.mobile-nav-item {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--secondary);
  padding: 6px 0;
}

/* ==========================================================================
   2. Hero Section (DoorDash Signature Impactful Style)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 140px 0 90px;
  background: radial-gradient(circle at 85% 15%, rgba(255, 94, 58, 0.07) 0%, transparent 60%),
              radial-gradient(circle at 10% 40%, rgba(13, 148, 136, 0.05) 0%, transparent 50%),
              var(--bg-page);
  overflow: hidden;
}

.hero-backdrop-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(235, 23, 0, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary-muted);
  margin-bottom: 20px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--secondary);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

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

.hero-desc {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--secondary-muted);
  margin-bottom: 36px;
  max-width: 600px;
}

/* DoorDash Signature Search/Action Box */
.hero-action-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: 32px;
}

.action-card-header {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--secondary);
  margin-bottom: 12px;
}

.action-search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.input-group {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 16px;
  color: var(--muted-text);
  width: 20px;
  height: 20px;
}

.input-group input {
  width: 100%;
  padding: 16px 16px 16px 48px;
  background: #f8fafc;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 1rem;
  color: var(--secondary);
  transition: var(--transition);
}

.input-group input:focus {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(235, 23, 0, 0.15);
}

.hero-btn {
  padding: 16px 32px;
  white-space: nowrap;
}

.action-card-sub {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted-text);
}

.action-card-sub span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-card-sub svg {
  width: 16px;
  height: 16px;
  color: var(--eco-green);
}

/* Download Store Buttons */
.hero-download-stores {
  margin-bottom: 36px;
}

.download-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted-text);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.store-buttons {
  display: flex;
  gap: 14px;
}

.store-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #111827;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 12px;
  transition: var(--transition);
}

.store-badge-btn:hover {
  background: #000000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.store-icon {
  width: 26px;
  height: 26px;
}

.store-sub {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  opacity: 0.8;
  letter-spacing: 0.05em;
}

.store-main {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.1;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--secondary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--muted-text);
  font-weight: 600;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* Hero Phone Mockup & Floating Badges */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.mockup-stage {
  position: relative;
  width: 100%;
  max-width: 360px;
}

/* Floating interactive badges (DoorDash animated floating elements) */
.floating-bubble {
  position: absolute;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 12px 18px;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatAnim 4s ease-in-out infinite alternate;
}

.bubble-bill {
  top: 12%;
  left: -40px;
  animation-delay: 0s;
}

.bubble-notify {
  bottom: 25%;
  right: -35px;
  animation-delay: 1.5s;
}

.bubble-feedback {
  bottom: 5%;
  left: -30px;
  animation-delay: 0.8s;
}

@keyframes floatAnim {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

.bubble-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.bubble-icon svg {
  width: 20px;
  height: 20px;
}

.bg-emerald { background: linear-gradient(135deg, #10b981, #059669); }
.bg-amber { background: linear-gradient(135deg, #f59e0b, #d97706); }
.bg-blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }

.bubble-title {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary);
}

.bubble-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-text);
  font-weight: 500;
}

/* Phone Frame Device */
.phone-frame {
  position: relative;
  background: #111827;
  padding: 12px;
  border-radius: 46px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.phone-speaker {
  width: 60px;
  height: 4px;
  background: #374151;
  border-radius: 4px;
  margin: 6px auto 10px;
}

.phone-screen {
  background: #000;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05);
}

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

/* ==========================================================================
   3. Roles Section (Audience Split: Cư Dân & Ban Quản Lý)
   ========================================================================== */
.roles-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.role-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.role-card-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.role-avatar {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bg-primary-soft {
  background: var(--primary-light);
  color: var(--primary);
}

.bg-emerald-soft {
  background: var(--eco-light);
  color: var(--eco-dark);
}

.role-avatar svg {
  width: 30px;
  height: 30px;
}

.role-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 4px;
}

.green-badge {
  color: var(--eco-dark);
}

.role-heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary);
}

.role-p {
  color: var(--secondary-muted);
  font-size: 1rem;
  margin-bottom: 28px;
}

.role-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
  flex: 1;
}

.role-checklist li {
  display: flex;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--body-text);
  line-height: 1.5;
}

.check-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.green-check {
  color: var(--eco-green);
}

.btn-role {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
}

.btn-role-primary {
  background: var(--primary);
  color: #ffffff;
}

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

.btn-role-secondary {
  background: #111827;
  color: #ffffff;
}

.btn-role-secondary:hover {
  background: #000000;
}

/* ==========================================================================
   4. Tour Section (Interactive App Tour Carousel)
   ========================================================================== */
.tour-section {
  padding: 100px 0;
  background: #ffffff;
}

.tour-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.tour-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: #f8fafc;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--secondary-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tour-tab-btn svg {
  width: 18px;
  height: 18px;
}

.tour-tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.tour-tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-primary);
}

.tour-showcase {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 48px;
}

.tour-display-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
}

.tour-step-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.tour-info-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.tour-info-desc {
  font-size: 1.1rem;
  color: var(--secondary-muted);
  margin-bottom: 24px;
}

.tour-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--body-text);
  font-size: 0.95rem;
}

.highlight-item svg {
  color: var(--eco-green);
  width: 18px;
  height: 18px;
}

.tour-mockup-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.showcase-phone-frame {
  max-width: 290px;
  background: #111827;
  padding: 10px;
  border-radius: 40px;
  box-shadow: var(--shadow-xl);
}

.phone-screen-container {
  border-radius: 30px;
  overflow: hidden;
  background: #000;
}

.showcase-img {
  width: 100%;
  height: auto;
  transition: opacity 0.3s ease;
}

.tour-nav-controls {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
}

.btn-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--secondary);
}

.btn-circle:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.tour-indicator {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--muted-text);
}

/* ==========================================================================
   5. Features Section (6 Pillars)
   ========================================================================== */
.features-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.features-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(235, 23, 0, 0.2);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  margin-bottom: 22px;
}

.bg-gradient-blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.bg-gradient-green { background: linear-gradient(135deg, #10b981, #047857); }
.bg-gradient-purple { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.bg-gradient-amber { background: linear-gradient(135deg, #f59e0b, #b45309); }
.bg-gradient-rose { background: linear-gradient(135deg, #f43f5e, #be123c); }
.bg-gradient-teal { background: linear-gradient(135deg, #14b8a6, #0f766e); }

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.feature-text {
  font-size: 0.95rem;
  color: var(--secondary-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.feature-subtext {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--eco-dark);
}

.feature-subtext svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   6. Benefits / Why Us Section
   ========================================================================== */
.benefits-section {
  padding: 100px 0;
  background: #ffffff;
}

.benefits-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.benefit-points {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 36px;
}

.point-item {
  display: flex;
  gap: 18px;
}

.point-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.point-icon svg {
  width: 22px;
  height: 22px;
}

.point-detail h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 6px;
}

.point-detail p {
  color: var(--secondary-muted);
  font-size: 0.95rem;
}

.benefits-cards-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.testimonial-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stars {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.star-fill {
  width: 18px;
  height: 18px;
  fill: #f59e0b;
  color: #f59e0b;
}

.testimonial-content {
  font-size: 1rem;
  color: var(--body-text);
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--eco-green);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}

.bg-brand {
  background: var(--primary);
}

.author-name {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--secondary);
}

.author-role {
  display: block;
  font-size: 0.8rem;
  color: var(--muted-text);
}

/* ==========================================================================
   7. Big Impact CTA Banner Section (DoorDash Signature)
   ========================================================================== */
.cta-banner-section {
  padding: 60px 0 100px;
}

.cta-banner-box {
  position: relative;
  background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
  border-radius: 32px;
  padding: 64px 56px;
  color: #ffffff;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-decoration-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.circle-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(235, 23, 0, 0.25) 0%, transparent 70%);
  top: -150px;
  right: -100px;
}

.circle-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.2) 0%, transparent 70%);
  bottom: -100px;
  left: -50px;
}

.cta-banner-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 10;
}

.cta-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ff8474;
  margin-bottom: 12px;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  margin-bottom: 32px;
  max-width: 540px;
}

.cta-download-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.btn-store-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  color: #111827;
  padding: 12px 24px;
  border-radius: 14px;
  font-weight: 700;
  transition: var(--transition);
}

.btn-store-primary:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
}

.btn-store-icon {
  width: 26px;
  height: 26px;
  color: var(--primary);
}

.btn-store-small {
  display: block;
  font-size: 0.65rem;
  color: var(--muted-text);
  letter-spacing: 0.04em;
}

.btn-store-big {
  display: block;
  font-size: 1rem;
  line-height: 1.1;
}

.cta-qr-box {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 20px;
  border-radius: 16px;
  max-width: 480px;
}

.qr-placeholder {
  width: 72px;
  height: 72px;
  background: #ffffff;
  border-radius: 8px;
  padding: 4px;
  flex-shrink: 0;
}

.qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
}

.qr-label strong {
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.qr-label span {
  color: #94a3b8;
  line-height: 1.4;
}

.cta-phones-visual {
  display: flex;
  justify-content: center;
}

.cta-phone-card {
  max-width: 280px;
  background: #000;
  padding: 8px;
  border-radius: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: rotate(3deg);
  transition: var(--transition);
}

.cta-phone-card:hover {
  transform: rotate(0deg) scale(1.03);
}

.cta-mockup-img {
  width: 100%;
  border-radius: 28px;
}

/* ==========================================================================
   8. FAQ Accordion Section
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.faq-accordion-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--muted-text);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
  color: var(--secondary-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 28px 24px 28px;
}

/* ==========================================================================
   9. Footer (DoorDash Comprehensive Architecture)
   ========================================================================== */
.footer {
  background: #111827;
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-top {
  padding: 80px 0 60px;
  border-bottom: 1px solid #1f2937;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.footer-brand-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
}

.footer-brand-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--eco-green);
  text-transform: uppercase;
  font-weight: 600;
}

.footer-about {
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-meta-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
}

.footer-meta-links strong {
  color: #ffffff;
}

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

.footer-title {
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-download-hint {
  margin-bottom: 18px;
  line-height: 1.5;
}

.footer-store-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mini-badge {
  background: #1f2937;
  border: 1px solid #374151;
  padding: 8px 16px;
  color: #ffffff;
}

.mini-badge:hover {
  background: #374151;
}

.footer-bottom {
  padding: 30px 0;
}

.bottom-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.bottom-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: #64748b;
}

/* ==========================================================================
   10. Modal & Toast Components
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: modalEnter 0.3s ease;
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted-text);
  padding: 4px;
}

.modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.modal-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.9rem;
  color: var(--secondary-muted);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus {
  border-color: var(--primary);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #111827;
  color: #ffffff;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.toast-icon {
  color: #22c55e;
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-action-card {
    text-align: left;
  }

  .store-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .floating-bubble {
    display: none; /* Hide floating bubbles on mid tablets to reduce clutter */
  }

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

  .tour-display-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .tour-highlights {
    align-items: center;
  }

  .tour-cta {
    display: flex;
    justify-content: center;
  }

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

  .benefits-split {
    grid-template-columns: 1fr;
  }

  .cta-banner-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-download-buttons {
    justify-content: center;
  }

  .cta-qr-box {
    margin: 0 auto;
    text-align: left;
  }

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

@media (max-width: 768px) {
  .nav-links, .nav-download-btn {
    display: none;
  }

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

  .hero-title {
    font-size: 2.3rem;
  }

  .action-search-bar {
    flex-direction: column;
  }

  .hero-btn {
    width: 100%;
  }

  .section-title {
    font-size: 1.85rem;
  }

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

  .cta-banner-box {
    padding: 40px 24px;
  }

  .cta-download-buttons {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .bottom-container {
    flex-direction: column;
    text-align: center;
  }
}