/* ============================================
   TinyTrails — Main Stylesheet
   Secure, modern, accessible design system
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Primary palette */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;

  /* Accent — warm orange for CTAs and highlights */
  --color-accent: #f97316;
  --color-accent-dark: #ea580c;
  --color-accent-light: #fff7ed;

  /* Teal — trust & safety */
  --color-teal: #0d9488;
  --color-teal-dark: #0f766e;
  --color-teal-light: #ccfbf1;

  /* Success / Warning / Danger */
  --color-success: #16a34a;
  --color-warning: #eab308;
  --color-danger: #dc2626;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-inverse: #f8fafc;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-display: 'Poppins', var(--font-family);
  --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: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgb(37 99 235 / 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 72px;
}

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

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

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

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

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

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-light);
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

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

.btn--full {
  width: 100%;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.nav--scrolled {
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
}

.nav__logo:hover {
  color: var(--color-text);
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

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

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text);
}

.nav__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--transition-fast);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-base);
}

.nav__toggle-icon::before { top: -7px; }
.nav__toggle-icon::after { top: 7px; }

.nav__toggle[aria-expanded="true"] .nav__toggle-icon {
  background: transparent;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-primary-light) 50%, var(--color-teal-light) 100%);
  overflow: hidden;
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
}

.hero__shape--1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  right: -100px;
}

.hero__shape--2 {
  width: 400px;
  height: 400px;
  background: var(--color-teal);
  bottom: -150px;
  left: -100px;
}

.hero__shape--3 {
  width: 200px;
  height: 200px;
  background: var(--color-accent);
  top: 40%;
  left: 60%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  padding: var(--space-8) 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero__title-highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 520px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--space-10);
}

.hero__stat {
  text-align: left;
}

.hero__stat-number {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-text);
}

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__phone-mockup {
  position: relative;
  width: 300px;
  height: 600px;
  background: var(--color-bg-dark);
  border-radius: 40px;
  padding: 12px;
  box-shadow: var(--shadow-xl), 0 0 60px rgb(37 99 235 / 0.1);
}

.hero__phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6);
  color: white;
}

.hero__phone-header {
  width: 100%;
  text-align: center;
  padding: var(--space-4) 0;
}

.hero__phone-header h4 {
  color: white;
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.hero__phone-header h3 {
  color: white;
  font-size: var(--font-size-lg);
}

.hero__phone-map {
  width: 100%;
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  margin: var(--space-4) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero__phone-map-dot {
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 8px rgba(249, 115, 22, 0.3);
  animation: pulse 2s infinite;
}

.hero__phone-map-line {
  position: absolute;
  width: 60%;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
  top: 50%;
  left: 20%;
  transform: rotate(-15deg);
}

.hero__phone-map-line::before {
  content: '';
  position: absolute;
  left: 0;
  top: -6px;
  width: 14px;
  height: 14px;
  background: var(--color-success);
  border-radius: 50%;
  border: 2px solid white;
}

.hero__phone-map-line::after {
  content: '';
  position: absolute;
  right: 0;
  top: -6px;
  width: 14px;
  height: 14px;
  background: var(--color-primary-light);
  border-radius: 50%;
  border: 2px solid white;
}

.hero__phone-card {
  width: 100%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__phone-card-icon {
  width: 40px;
  height: 40px;
  background: var(--color-success);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.hero__phone-card-text {
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.hero__phone-card-text strong {
  display: block;
  font-size: var(--font-size-base);
}

/* Floating badges around phone */
.hero__float-badge {
  position: absolute;
  background: white;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  animation: float 3s ease-in-out infinite;
  white-space: nowrap;
}

.hero__float-badge--gps {
  top: 15%;
  right: -10%;
  animation-delay: 0s;
}

.hero__float-badge--safe {
  bottom: 25%;
  left: -15%;
  animation-delay: 1s;
}

.hero__float-badge--sos {
  top: 55%;
  right: -20%;
  animation-delay: 2s;
}

.hero__float-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
}

.hero__float-badge-icon--green {
  background: var(--color-teal-light);
  color: var(--color-teal);
}

.hero__float-badge-icon--blue {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.hero__float-badge-icon--red {
  background: #fee2e2;
  color: var(--color-danger);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Trust Bar --- */
.trust-bar {
  padding: var(--space-12) 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.trust-bar__label {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
}

.trust-bar__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
  opacity: 0.5;
}

.trust-bar__logo {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* --- How It Works --- */
.how-it-works {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.step {
  text-align: center;
  padding: var(--space-8);
  position: relative;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-6);
}

.step__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.step__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.step__description {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 84px;
  right: -16%;
  width: 32%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-border));
}

/* --- Features --- */
.features {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
}

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

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-5);
}

.feature-card__icon--blue {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.feature-card__icon--teal {
  background: var(--color-teal-light);
  color: var(--color-teal);
}

.feature-card__icon--orange {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.feature-card__icon--green {
  background: #dcfce7;
  color: var(--color-success);
}

.feature-card__icon--red {
  background: #fee2e2;
  color: var(--color-danger);
}

.feature-card__icon--purple {
  background: #f3e8ff;
  color: #7c3aed;
}

.feature-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.feature-card__description {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

/* --- Device Section --- */
.devices {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.devices__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.device-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.device-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.device-card__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.device-card__visual {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-teal-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.device-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.device-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}

.device-card__features {
  text-align: left;
  margin-bottom: var(--space-6);
}

.device-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.device-card__feature-check {
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* --- Pricing Section --- */
.pricing {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
}

.pricing__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.pricing__toggle-label {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
}

.pricing__toggle-label--active {
  color: var(--color-text);
  font-weight: 600;
}

.pricing__toggle-switch {
  position: relative;
  width: 56px;
  height: 28px;
  background: var(--color-border-dark);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
  border: none;
}

.pricing__toggle-switch[aria-checked="true"] {
  background: var(--color-primary);
}

.pricing__toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.pricing__toggle-switch[aria-checked="true"]::after {
  transform: translateX(28px);
}

.pricing__save-badge {
  background: var(--color-success);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

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

.pricing-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: scale(1.02);
}

.pricing-card--featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-card__popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-5);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-card__header {
  text-align: center;
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.pricing-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
}

.pricing-card__currency {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

.pricing-card__amount {
  font-family: var(--font-family-display);
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.pricing-card__savings {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-success);
  background: #dcfce7;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.pricing-card__features {
  flex: 1;
  margin-bottom: var(--space-6);
}

.pricing-card__feature-group {
  margin-bottom: var(--space-4);
}

.pricing-card__feature-group-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: var(--space-3);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.pricing-card__feature-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card__feature-icon--check {
  color: var(--color-success);
}

.pricing-card__feature-icon--cross {
  color: var(--color-border-dark);
}

.pricing-card__iot-highlight {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-teal-light));
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  text-align: center;
}

.pricing-card__iot-highlight p {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 0;
}

.pricing-card__cta {
  margin-top: auto;
}

/* --- IoT Value Banner --- */
.iot-value {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1e3a5f 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.iot-value__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.iot-value__content h2 {
  color: white;
  margin-bottom: var(--space-6);
}

.iot-value__content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--font-size-lg);
  line-height: 1.7;
}

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

.iot-value__feature {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: blur(8px);
}

.iot-value__feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.iot-value__feature-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-2);
}

.iot-value__feature-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0;
  line-height: 1.6;
}

/* --- Testimonials --- */
.testimonials {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

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

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

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

.testimonial-card__stars {
  color: var(--color-warning);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-style: italic;
}

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

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-teal-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.testimonial-card__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* --- Stats Section --- */
.stats {
  padding: var(--space-16) 0;
  background: var(--color-primary);
  color: white;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stats__item-number {
  font-family: var(--font-family-display);
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.stats__item-label {
  font-size: var(--font-size-sm);
  opacity: 0.85;
}

/* --- FAQ --- */
.faq {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
}

.faq__list {
  max-width: var(--container-narrow);
  margin: var(--space-12) auto 0;
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  background: var(--color-bg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq__item:hover {
  border-color: var(--color-primary);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
}

.faq__question:hover {
  color: var(--color-primary);
}

.faq__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  color: var(--color-text-light);
}

.faq__item--open .faq__chevron {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer-inner {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-teal) 100%);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta h2 {
  color: white;
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
  position: relative;
}

.cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  position: relative;
  flex-wrap: wrap;
}

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

.cta .btn--white:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.cta .btn--outline-white {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}

.cta .btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
}

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

.footer__brand-description {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  color: rgba(255, 255, 255, 0.5);
}

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

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
  font-size: var(--font-size-lg);
  text-decoration: none;
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: white;
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.footer__link {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__link:hover {
  color: white;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
}

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

.footer__legal-link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* --- Scroll Animations --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.animate-on-scroll[data-delay="100"] { transition-delay: 100ms; }
.animate-on-scroll[data-delay="200"] { transition-delay: 200ms; }
.animate-on-scroll[data-delay="300"] { transition-delay: 300ms; }
.animate-on-scroll[data-delay="400"] { transition-delay: 400ms; }
.animate-on-scroll[data-delay="500"] { transition-delay: 500ms; }

/* ============================================
   How-It-Works Detail Sections
   ============================================ */
.how-detail {
  padding: var(--space-16) 0;
}

.how-detail--alt {
  background: var(--color-bg-alt);
}

.how-detail__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.how-detail__inner--reverse {
  direction: rtl;
}

.how-detail__inner--reverse > * {
  direction: ltr;
}

.how-detail__content h2 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.how-detail__content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.how-detail__list {
  list-style: none;
  margin-bottom: var(--space-6);
}

.how-detail__list li {
  padding: var(--space-2) 0;
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.6;
  border-bottom: 1px solid var(--color-border);
}

.how-detail__list li:last-child {
  border-bottom: none;
}

/* App Mockup Visual */
.how-detail__mockup {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-xl);
}

.how-detail__mockup-screen {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.how-detail__mockup-header {
  background: var(--color-bg-alt);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.how-detail__mockup-content {
  padding: var(--space-3);
}

.how-detail__mockup-item {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  transition: background var(--transition-fast);
}

.how-detail__mockup-item:hover {
  background: var(--color-bg-alt);
}

.how-detail__mockup-item--active {
  background: var(--color-primary-light);
  font-weight: 600;
  color: var(--color-primary-dark);
}

.how-detail__mockup-btn {
  margin: var(--space-3);
  padding: var(--space-3);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Device Showcase Visual */
.how-detail__device-showcase {
  display: flex;
  gap: var(--space-5);
  justify-content: center;
  align-items: flex-end;
}

.how-detail__device {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.how-detail__device:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.how-detail__device--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.08);
  padding: var(--space-8) var(--space-5);
}

.how-detail__device--featured:hover {
  transform: scale(1.08) translateY(-4px);
}

.how-detail__device-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
}

.how-detail__device p {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.how-detail__device-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--color-accent);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

/* Tracking Demo Visual */
.how-detail__tracking-demo {
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.how-detail__tracking-header {
  background: var(--color-bg-alt);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.how-detail__tracking-map {
  height: 200px;
  background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 50%, #ede9fe 100%);
  position: relative;
  overflow: hidden;
}

.how-detail__tracking-route {
  position: absolute;
  top: 50%;
  left: 15%;
  right: 25%;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  opacity: 0.4;
}

.how-detail__tracking-route::before,
.how-detail__tracking-route::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.how-detail__tracking-route::before {
  left: 0;
  background: var(--color-success);
}

.how-detail__tracking-route::after {
  right: 0;
  background: var(--color-primary);
}

.how-detail__tracking-dot {
  position: absolute;
  top: calc(50% - 10px);
  left: 55%;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgb(37 99 235 / 0.25), var(--shadow-md);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgb(37 99 235 / 0.25), var(--shadow-md); }
  50% { box-shadow: 0 0 0 8px rgb(37 99 235 / 0.1), var(--shadow-md); }
}

.how-detail__tracking-status {
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
  border-top: 1px solid var(--color-border);
}

/* How-detail responsive */
@media (max-width: 1024px) {
  .how-detail__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .how-detail__inner--reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .how-detail {
    padding: var(--space-10) 0;
  }

  .how-detail__content h2 {
    font-size: var(--font-size-2xl);
  }

  .how-detail__device-showcase {
    gap: var(--space-3);
  }

  .how-detail__device {
    padding: var(--space-4) var(--space-3);
  }

  .how-detail__device--featured {
    padding: var(--space-5) var(--space-4);
  }
}

@media (max-width: 480px) {
  .how-detail__device-showcase {
    flex-direction: column;
    align-items: center;
  }

  .how-detail__device--featured {
    transform: none;
    order: -1;
  }

  .how-detail__device--featured:hover {
    transform: translateY(-4px);
  }
}