/* ==========================================================================
   RunMyCarClub Marketing Site — Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg-dark: #0f1117;
  --color-bg-dark-alt: #1a1d27;
  --color-bg-light: #f8f9fc;
  --color-bg-white: #ffffff;
  --color-red: #e63946;
  --color-red-dark: #c5303c;
  --color-blue: #4cc9f0;
  --color-blue-dark: #38b6dd;
  --color-orange: #f77f00;
  --color-text-dark: #0f1117;
  --color-text-light: #e0e0e6;
  --color-text-muted: #8a8a9a;
  --color-border: #2a2d3a;
  --color-border-light: #e0e0e6;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* 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;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;

  /* Misc */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.2);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: var(--font-size-5xl); font-weight: 900; }
h2 { font-size: var(--font-size-4xl); font-weight: 800; }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

ul { list-style: none; }

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

.section {
  padding: var(--space-20) 0;
}

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

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

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

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-red);
  margin-bottom: var(--space-4);
}

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

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

.section--dark .section-subtitle {
  color: var(--color-text-light);
  opacity: 0.8;
}

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

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  transform: skewX(-2deg);
  text-align: center;
}

.btn > * {
  transform: skewX(2deg);
  display: inline-block;
}

.btn--primary {
  background: var(--color-red);
  color: #fff;
  border-color: var(--color-red);
}

.btn--primary:hover {
  background: var(--color-red-dark);
  border-color: var(--color-red-dark);
  color: #fff;
  transform: skewX(-2deg) translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn--outline:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  transform: skewX(-2deg) translateY(-2px);
}

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

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  border-top: 3px solid var(--color-red);
  background: rgba(15, 17, 23, 0.95);
  backdrop-filter: blur(10px);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(15, 17, 23, 1);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
}

.logo span {
  color: var(--color-red);
}

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

.nav-links a {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-red);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--space-4);
}

.nav-cta .btn {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-5);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-dark);
  padding: var(--space-8);
  z-index: 999;
  flex-direction: column;
  gap: var(--space-6);
}

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

.mobile-nav a {
  color: var(--color-text-light);
  font-size: var(--font-size-xl);
  font-weight: 600;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--color-red);
}

.mobile-nav .btn {
  margin-top: var(--space-4);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background:
    radial-gradient(ellipse at 20% 50%, rgba(230, 57, 70, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(76, 201, 240, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-dark-alt) 100%);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom right, transparent 49.5%, var(--color-bg-white) 50%);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-6);
  max-width: 700px;
}

.hero p {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  opacity: 0.85;
  max-width: 560px;
  margin-bottom: var(--space-8);
}

/* Page-level hero (smaller, for sub-pages) */
.page-hero {
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  background:
    radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-dark-alt) 100%);
  color: var(--color-text-light);
  position: relative;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom right, transparent 49.5%, var(--color-bg-light) 50%);
}

.page-hero h1 {
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--font-size-lg);
  opacity: 0.8;
  max-width: 560px;
}

/* --------------------------------------------------------------------------
   Coming Soon Badge
   -------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
}

.badge--coming-soon {
  background: rgba(247, 127, 0, 0.15);
  color: var(--color-orange);
  border: 1px solid rgba(247, 127, 0, 0.3);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(247, 127, 0, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(247, 127, 0, 0); }
}

/* --------------------------------------------------------------------------
   Email Signup Form
   -------------------------------------------------------------------------- */
.signup-form {
  display: flex;
  gap: var(--space-3);
  max-width: 480px;
}

.signup-form input[type="email"] {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: #fff;
  outline: none;
  transition: border-color var(--transition);
}

.signup-form input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.signup-form input[type="email"]:focus {
  border-color: var(--color-blue);
}

.signup-form .btn {
  white-space: nowrap;
}

.signup-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* Light section variant */
.section--light .signup-form input[type="email"] {
  background: var(--color-bg-white);
  border-color: var(--color-border-light);
  color: var(--color-text-dark);
}

/* --------------------------------------------------------------------------
   Feature Cards
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.feature-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border-left: 3px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

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

.feature-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  color: var(--color-red);
}

.feature-card h3 {
  margin-bottom: var(--space-3);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* Dark variant for feature cards */
.section--dark .feature-card {
  background: var(--color-bg-dark-alt);
}

.section--dark .feature-card p {
  color: var(--color-text-light);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Feature Sections (alternating layout for features page)
   -------------------------------------------------------------------------- */
.feature-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.feature-section.reverse {
  direction: rtl;
}

.feature-section.reverse > * {
  direction: ltr;
}

.feature-section-content h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.feature-section-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.feature-section-content ul {
  list-style: none;
  margin-top: var(--space-4);
}

.feature-section-content ul li {
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text-muted);
}

.feature-section-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-red);
  border-radius: 2px;
  transform: translateY(-50%) rotate(45deg);
}

.feature-visual {
  background: var(--color-bg-light);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  position: relative;
  overflow: hidden;
}

.feature-visual svg {
  width: 120px;
  height: 120px;
  color: var(--color-red);
  opacity: 0.3;
}

/* --------------------------------------------------------------------------
   Why / Values Cards
   -------------------------------------------------------------------------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.value-card {
  text-align: center;
  padding: var(--space-8);
}

.value-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--color-blue);
}

.value-card h3 {
  margin-bottom: var(--space-3);
}

.value-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.section--dark .value-card p {
  color: var(--color-text-light);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Social Proof / Testimonials
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  opacity: 0.5;
  filter: grayscale(100%);
}

.testimonial-card p {
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-4);
}

.testimonial-card .author {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Pricing Cards
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  align-items: start;
}

.pricing-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.pricing-card--featured {
  border: 2px solid var(--color-red);
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-card-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(247, 127, 0, 0.15);
  color: var(--color-orange);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
}

.pricing-card h3 {
  margin-bottom: var(--space-2);
}

.pricing-card .price {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  margin-bottom: var(--space-2);
  letter-spacing: -0.03em;
}

.pricing-card .price-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.pricing-card ul {
  margin-bottom: var(--space-8);
}

.pricing-card ul li {
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pricing-card ul li svg {
  width: 16px;
  height: 16px;
  color: var(--color-red);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* --------------------------------------------------------------------------
   Feature Comparison Table
   -------------------------------------------------------------------------- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-12);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
}

.comparison-table th {
  font-weight: 700;
  background: var(--color-bg-light);
}

.comparison-table td:not(:first-child) {
  text-align: center;
}

.comparison-table th:not(:first-child) {
  text-align: center;
}

.comparison-table .check {
  color: var(--color-red);
}

.comparison-table .dash {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-5) 0;
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-dark);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.faq-question:hover {
  color: var(--color-red);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    repeating-conic-gradient(
      rgba(255, 255, 255, 0.03) 0% 25%,
      transparent 0% 50%
    );
  background-size: 30px 30px;
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  margin-bottom: var(--space-4);
}

.cta-section p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

.cta-section .signup-form {
  margin: 0 auto;
}

.cta-section .signup-hint {
  text-align: center;
}

/* Diagonal stripe divider */
.diagonal-divider {
  height: 80px;
  position: relative;
  background: var(--color-bg-light);
}

.diagonal-divider::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom right, var(--color-bg-light) 49.5%, var(--color-bg-dark) 50%);
}

/* --------------------------------------------------------------------------
   Contact Form
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  color: var(--color-text-dark);
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-info-card {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact-info-card h3 {
  margin-bottom: var(--space-6);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info-item svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-red);
  margin-top: 2px;
}

.contact-info-item h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
}

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

/* --------------------------------------------------------------------------
   Toast Notification
   -------------------------------------------------------------------------- */
.toast {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  z-index: 2000;
  transform: translateY(120%);
  transition: transform 0.3s ease;
  border-left: 3px solid var(--color-red);
}

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

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--color-border);
}

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

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  max-width: 280px;
  line-height: 1.7;
}

.footer-column h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
}

.footer-column a {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  padding: var(--space-1) 0;
  transition: color var(--transition);
}

.footer-column a:hover {
  color: var(--color-text-light);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Scroll Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Teaser Section (coming soon features)
   -------------------------------------------------------------------------- */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.teaser-card {
  background: var(--color-bg-dark-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px dashed var(--color-border);
  opacity: 0.7;
}

.teaser-card h4 {
  margin-bottom: var(--space-2);
  color: var(--color-text-light);
}

.teaser-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Problem/Solution (about page)
   -------------------------------------------------------------------------- */
.problem-list {
  list-style: none;
}

.problem-list li {
  padding: var(--space-3) 0;
  padding-left: var(--space-8);
  position: relative;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.problem-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--color-red);
  transform: translateY(-50%);
}

/* --------------------------------------------------------------------------
   Noscript Fallback
   -------------------------------------------------------------------------- */
noscript .noscript-nav {
  background: var(--color-bg-dark);
  padding: var(--space-4) var(--space-6);
  border-bottom: 3px solid var(--color-red);
}

noscript .noscript-nav a {
  color: var(--color-text-light);
  margin-right: var(--space-6);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }

  .hero h1 { font-size: var(--font-size-4xl); }

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

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

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-card--featured {
    transform: none;
  }

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

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

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

  .feature-section.reverse {
    direction: ltr;
  }

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

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

/* Mobile */
@media (max-width: 640px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-12));
    padding-bottom: var(--space-16);
  }

  .signup-form {
    flex-direction: column;
  }

  .signup-form .btn {
    width: 100%;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .comparison-table {
    font-size: var(--font-size-xs);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-2);
  }
}