/* ============================================
   NEST MOBILE — Design System & Global Styles
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --color-primary: #1B8F6A;
  --color-primary-dark: #147354;
  --color-primary-light: #E6F5F0;
  --color-secondary: #0F2B3C;
  --color-accent: #F59E0B;
  --color-accent-light: #FEF3C7;

  --color-text: #1A1A2E;
  --color-text-light: #6B7280;
  --color-text-inverse: #FFFFFF;

  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFB;
  --color-bg-dark: #0F2B3C;

  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;

  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-primary);

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

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

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

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

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

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img,
picture,
video,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-secondary);
}

/* --- Typography --- */
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }

@media (min-width: 768px) {
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }
  h3 { font-size: var(--text-3xl); }
}

p {
  line-height: var(--leading-relaxed);
  color: var(--color-text-light);
}

p + p {
  margin-top: var(--space-md);
}

.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }

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

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

main {
  flex: 1;
  padding-top: var(--nav-height);
}

.section {
  padding: var(--space-3xl) 0;
}

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

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-inverse);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.75);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__header p {
  margin-top: var(--space-sm);
  font-size: var(--text-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

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

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

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

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

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

.btn--accent:hover {
  background-color: #E8900A;
}

.btn--large {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-md);
}

.btn--small {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

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

/* --- Cards --- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card--featured {
  border-color: var(--color-primary);
  border-width: 2px;
  position: relative;
}

.card__badge {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 143, 106, 0.15);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Radio & Checkbox cards */
.option-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.option-card.active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.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-lg);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__logo svg {
  width: 32px;
  height: 32px;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-light);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary);
}

.nav__links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

.nav__cta {
  display: none;
}

.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color var(--transition-fast);
}

.nav__toggle span::before,
.nav__toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-base);
}

.nav__toggle span::before {
  top: -7px;
}

.nav__toggle span::after {
  top: 7px;
}

/* Hamburger open state */
.nav__toggle.open span {
  background-color: transparent;
}

.nav__toggle.open span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle.open span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: var(--space-xl) var(--space-lg);
  z-index: 999;
  overflow-y: auto;
}

.nav__mobile.open {
  display: flex;
  flex-direction: column;
}

.nav__mobile a {
  display: block;
  padding: var(--space-md) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  transition: color var(--transition-fast);
}

.nav__mobile a:hover,
.nav__mobile a.active {
  color: var(--color-primary);
}

.nav__mobile .btn {
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }

  .nav__cta {
    display: inline-flex;
  }

  .nav__toggle {
    display: none;
  }

  .nav__mobile {
    display: none !important;
  }
}

/* --- Footer --- */
.footer {
  background-color: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

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

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

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand {
  max-width: 280px;
}

.footer__brand .nav__logo {
  margin-bottom: var(--space-md);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-relaxed);
}

.footer__col h4 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-inverse);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.footer__col a {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--color-text-inverse);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__bottom p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
  color: var(--color-text-inverse);
}

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

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* ============================================
   HOMEPAGE — Hero
   ============================================ */
.hero {
  padding: var(--space-4xl) 0 var(--space-3xl);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 50%, #FEF3C7 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27, 143, 106, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.hero__tag {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: var(--text-4xl);
  line-height: 1.1;
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
}

.hero__highlight {
  color: var(--color-primary);
  position: relative;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 540px;
  margin: 0 auto var(--space-2xl);
  line-height: var(--leading-relaxed);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

.hero__proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.hero__proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.125rem;
}

.hero__proof-item strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
}

.hero__proof-item span {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

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

@media (min-width: 768px) {
  .hero {
    padding: var(--space-4xl) 0 var(--space-4xl);
  }

  .hero__title {
    font-size: 3.5rem;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 4rem;
  }
}

/* ============================================
   HOMEPAGE — Value Props
   ============================================ */
.value-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
}

.value-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.value-card__icon svg {
  width: 28px;
  height: 28px;
}

.value-card h4 {
  margin-bottom: var(--space-sm);
}

.value-card p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ============================================
   HOMEPAGE — Plan Preview Cards
   ============================================ */
.plan-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.plan-card--featured {
  border: 2px solid var(--color-primary);
  position: relative;
  box-shadow: var(--shadow-md);
}

.plan-card__header h3 {
  margin-bottom: 0.25rem;
}

.plan-card__header p {
  font-size: var(--text-sm);
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin: var(--space-xl) 0;
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.plan-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1;
}

.plan-card__period {
  font-size: var(--text-base);
  color: var(--color-text-light);
  font-weight: var(--font-medium);
}

.plan-card__features {
  flex: 1;
  margin-bottom: var(--space-xl);
}

.plan-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.plan-card__features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

.plan-card__features li strong {
  color: var(--color-text);
}

/* ============================================
   HOMEPAGE — Testimonials
   ============================================ */
.testimonial {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.testimonial__stars {
  display: flex;
  gap: 2px;
  color: var(--color-accent);
}

.testimonial__stars svg {
  width: 18px;
  height: 18px;
}

.testimonial__quote {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  font-style: normal;
  flex: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.testimonial__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.testimonial__author strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.testimonial__author span {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* ============================================
   HOMEPAGE — Final CTA
   ============================================ */
.cta-section {
  padding: var(--space-4xl) 0;
}

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

@media (min-width: 768px) {
  .cta-section h2 {
    font-size: var(--text-4xl);
  }
}

.cta-section .btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   PLANS PAGE — Disabled features in plan cards
   ============================================ */
.plan-card__features--disabled {
  opacity: 0.45;
}

.plan-card__features--disabled svg {
  color: var(--color-text-light) !important;
}

/* ============================================
   PLANS PAGE — Comparison Table
   ============================================ */
.compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.compare-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.compare-table thead {
  border-bottom: 2px solid var(--color-border);
}

.compare-table th {
  padding: var(--space-lg) var(--space-md);
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  color: var(--color-secondary);
  text-align: center;
  white-space: nowrap;
}

.compare-table__feature-col {
  text-align: left !important;
  width: 200px;
}

.compare-table td {
  padding: var(--space-md);
  text-align: center;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

.compare-table td:first-child {
  text-align: left;
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.compare-table td strong {
  color: var(--color-text);
}

.compare-table__highlight {
  background-color: rgba(27, 143, 106, 0.04);
}

.compare-table thead .compare-table__highlight {
  color: var(--color-primary);
}

.compare-table__no svg {
  width: 16px;
  height: 16px;
  color: var(--color-border);
  display: inline-block;
}

.compare-table td svg {
  width: 18px;
  height: 18px;
  display: inline-block;
}

.compare-table td:not(.compare-table__no) svg {
  color: var(--color-primary);
}

.compare-table tfoot td {
  padding: var(--space-lg) var(--space-md);
  border-bottom: none;
  border-top: 2px solid var(--color-border);
}

/* ============================================
   PLANS PAGE — FAQ Section
   ============================================ */
.plans-faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-fast);
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  flex-shrink: 0;
  margin-left: var(--space-md);
  transition: transform var(--transition-base);
}

.faq-item[open] .faq-item__question::after {
  content: '\2212';
}

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

.faq-item__answer {
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq-item__answer p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ============================================
   CHECKOUT — Layout
   ============================================ */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .checkout-layout {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }
}

/* ============================================
   CHECKOUT — Progress Bar
   ============================================ */
.checkout-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
  padding: 0 var(--space-md);
}

.checkout-progress__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  position: relative;
}

.checkout-progress__step span {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-weight: var(--font-medium);
  white-space: nowrap;
}

.checkout-progress__circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-border-light);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  transition: all var(--transition-base);
}

.checkout-progress__step.active .checkout-progress__circle {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.checkout-progress__step.active span {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.checkout-progress__step.completed .checkout-progress__circle {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.checkout-progress__line {
  flex: 1;
  height: 2px;
  background: var(--color-border-light);
  margin: 0 var(--space-sm);
  margin-bottom: 1.25rem;
  transition: background var(--transition-base);
}

.checkout-progress__line.completed {
  background: var(--color-primary);
}

/* ============================================
   CHECKOUT — Steps
   ============================================ */
.checkout-step {
  display: none;
}

.checkout-step.active {
  display: block;
}

.checkout-step h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}

.checkout-step > p {
  margin-bottom: var(--space-xl);
}

.checkout-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  align-items: center;
}

/* ============================================
   CHECKOUT — Option Cards (enhanced)
   ============================================ */
.checkout-plan-options,
.checkout-number-options,
.checkout-shipping-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.checkout-form .option-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.checkout-form .option-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.checkout-form .option-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.checkout-form .option-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.option-card__radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition-fast);
}

.option-card.selected .option-card__radio {
  border-color: var(--color-primary);
}

.option-card.selected .option-card__radio::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  right: 3px;
  bottom: 3px;
  background: var(--color-primary);
  border-radius: 50%;
}

.option-card__content {
  flex: 1;
}

.option-card__content strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-text);
}

.option-card__content span {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.option-card__price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  flex-shrink: 0;
}

/* ============================================
   CHECKOUT — Port-in fields
   ============================================ */
.checkout-portin {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

/* ============================================
   CHECKOUT — Form rows
   ============================================ */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .form-row {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}

/* ============================================
   CHECKOUT — Terms checkbox
   ============================================ */
.checkout-terms {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.checkout-terms label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.checkout-terms input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
}

/* ============================================
   CHECKOUT — Order Summary Sidebar
   ============================================ */
.checkout-summary__inner {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
}

.checkout-summary__inner h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.checkout-summary__plan {
  margin-bottom: var(--space-lg);
}

.checkout-summary__plan-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
}

.checkout-summary__plan-desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-top: 0.125rem;
}

.checkout-summary__lines {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.checkout-summary__line {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.checkout-summary__total {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
}

.checkout-summary__note {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-top: var(--space-md);
  text-align: center;
}

/* ============================================
   CHECKOUT — Success State
   ============================================ */
.checkout-success__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--color-primary-light);
  border-radius: 50%;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.checkout-success__icon svg {
  width: 36px;
  height: 36px;
}

.checkout-success__details {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
  display: inline-flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.checkout-success__details p {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.checkout-success__details strong {
  color: var(--color-text-light);
  font-weight: var(--font-medium);
  margin-right: var(--space-sm);
}

/* ============================================
   ACTIVATE PAGE
   ============================================ */
.form-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

.activate-result {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.activate-result--success {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  color: var(--color-primary-dark);
}

.activate-result--error {
  background: #FEF2F2;
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.activate-result h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.activate-result p {
  font-size: var(--text-sm);
}

/* Activate page option cards */
.activate-result--success h3 { color: var(--color-primary-dark); }
.activate-result--error h3 { color: var(--color-error); }

/* ============================================
   BYOD PAGE
   ============================================ */
.byod-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--color-border-light);
}

.byod-tab {
  padding: var(--space-sm) var(--space-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.byod-tab.active,
.byod-tab:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.byod-panel {
  display: none;
}

.byod-panel.active {
  display: block;
}

.byod-result {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.byod-result--pass {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
}

.byod-result--pass h3 { color: var(--color-primary-dark); }

.byod-result--fail {
  background: #FEF3C7;
  border: 1px solid var(--color-accent);
}

.byod-result--fail h3 { color: #92400E; }

.byod-result h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.byod-result p {
  font-size: var(--text-sm);
}

.device-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.device-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.device-card__icon svg {
  width: 40px;
  height: 40px;
}

.device-card strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: 0.125rem;
}

.device-card span {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

.req-item h4 {
  margin-bottom: var(--space-xs);
}

.req-item p {
  font-size: var(--text-sm);
}

/* ============================================
   COVERAGE PAGE
   ============================================ */
.coverage-check {
  display: flex;
  gap: var(--space-md);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  flex-wrap: wrap;
}

.coverage-check .form-group {
  margin-bottom: 0;
}

@media (max-width: 480px) {
  .coverage-check {
    flex-direction: column;
  }
  .coverage-check .btn {
    width: 100%;
  }
}

.coverage-result {
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.coverage-result--good {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
}

.coverage-result--good h3 { color: var(--color-primary-dark); }

.coverage-result h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-xs);
}

.coverage-result p {
  font-size: var(--text-sm);
}

.coverage-map {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.coverage-map__placeholder {
  text-align: center;
  padding: var(--space-3xl);
}

.coverage-map__placeholder h3 {
  margin-bottom: var(--space-sm);
}

.coverage-map__placeholder p {
  max-width: 400px;
  margin: 0 auto;
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.city-tag {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content > p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.about-value {
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.about-value h4 {
  margin-bottom: var(--space-xs);
}

.about-value p {
  font-size: var(--text-sm);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr 1.5fr;
    align-items: start;
  }
}

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

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

.contact-info__item .value-card__icon {
  flex-shrink: 0;
}

.contact-info__item h4 {
  margin-bottom: 0.125rem;
}

.contact-info__item p {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.contact-success {
  padding: var(--space-2xl) 0;
}

/* ============================================
   FAQ PAGE
   ============================================ */
.faq-category {
  margin-bottom: var(--space-2xl);
}

.faq-category h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary-light);
}

/* ============================================
   PHASE 6 — Accessibility & Focus States
   ============================================ */

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Remove focus outline for mouse users */
*:focus:not(:focus-visible) {
  outline: none;
}

/* Button focus */
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(27, 143, 106, 0.2);
}

/* Form input focus visible */
.form-input:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 143, 106, 0.15);
}

/* Nav link focus */
.nav__links a:focus-visible,
.nav__mobile a:focus-visible,
.footer__col a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ============================================
   PHASE 6 — Mobile Responsive Fixes
   ============================================ */

/* Small phones (320px) */
@media (max-width: 374px) {
  :root {
    --text-4xl: 1.875rem;
    --text-5xl: 2.25rem;
    --space-3xl: 2.5rem;
    --space-4xl: 3.5rem;
  }

  .hero__proof {
    gap: var(--space-md);
  }

  .hero__proof-divider {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .checkout-progress__step span {
    display: none;
  }

  .checkout-progress__circle {
    width: 30px;
    height: 30px;
    font-size: var(--text-xs);
  }
}

/* Mobile (< 640px) */
@media (max-width: 639px) {
  .section {
    padding: var(--space-2xl) 0;
  }

  .container {
    padding: 0 var(--space-md);
  }

  /* Plan cards stack nicely */
  .plan-card {
    padding: var(--space-xl) var(--space-lg);
  }

  /* Comparison table hint */
  .compare-table-wrap::before {
    content: 'Scroll to compare \2192';
    display: block;
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-light);
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border-light);
  }

  /* Contact layout */
  .contact-layout {
    gap: var(--space-xl);
  }

  /* About page buttons */
  .about-content .btn {
    width: 100%;
    margin-left: 0 !important;
    margin-top: var(--space-sm);
  }

  /* Checkout summary on top for mobile */
  .checkout-layout {
    display: flex;
    flex-direction: column-reverse;
  }

  .checkout-summary__inner {
    position: static;
  }
}

/* Tablet adjustments */
@media (min-width: 640px) and (max-width: 767px) {
  .hero__title {
    font-size: var(--text-4xl);
  }
}

/* Sticky mobile CTA bar */
@media (max-width: 767px) {
  .mobile-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    z-index: 998;
    display: flex;
    justify-content: center;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
  }

  .mobile-cta-bar .btn {
    width: 100%;
    max-width: 400px;
  }

  /* Add bottom padding to body so footer isn't hidden behind CTA */
  body.has-mobile-cta {
    padding-bottom: 72px;
  }
}

@media (min-width: 768px) {
  .mobile-cta-bar {
    display: none;
  }
}

/* ============================================
   PHASE 6 — Print Styles
   ============================================ */
@media print {
  .nav,
  .footer,
  .mobile-cta-bar,
  .btn {
    display: none !important;
  }

  main {
    padding-top: 0;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
}