/* ============================================
   CLARITY DESIGN SYSTEM
   Extracted from iOS app - warm, organic palette
   ============================================ */

/* Google Fonts - Inter (closest to Switzer) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Colors - Light Mode (from AppColors.swift) */
  --color-cream: #FDFBEE;
  --color-light-cream: #F3F0D6;
  --color-dark: #110000;
  --color-taupe: #6B6159;

  /* Semantic Colors */
  --color-background: var(--color-cream);
  --color-surface: var(--color-light-cream);
  --color-surface-elevated: #FFFFFF;
  --color-card: #F5F2DF;
  --color-card-elevated: #FFFFFF;

  /* Text Colors */
  --color-text-primary: var(--color-dark);
  --color-text-secondary: var(--color-taupe);
  --color-text-tertiary: #8A8279;
  --color-text-quaternary: #A9A196;

  /* Accent Colors - NO BLUE, only subtle gold for minimal accents */
  --color-accent-gold: #D4A422;
  /* Keep these as black for links/interactions */
  --color-accent: var(--color-dark);
  --color-accent-dark: var(--color-dark);
  --color-accent-darker: var(--color-dark);

  /* Semantic States */
  --color-success: #22863A;
  --color-warning: #B08800;
  --color-error: #FF0101;

  /* UI Elements */
  --color-separator: #D8D4C6;
  --color-fill: #E8E5D7;
  --color-fill-secondary: #F0EDE0;

  /* Button Colors */
  --color-button-primary-bg: var(--color-dark);
  --color-button-primary-text: var(--color-cream);
  --color-button-secondary-border: rgba(17, 0, 0, 0.3);

  /* Typography - Font Family */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Typography - Font Sizes (from AppTypography.swift) */
  --font-size-display-hero: 4.5rem;    /* 72px */
  --font-size-display-large: 3.5rem;   /* 56px */
  --font-size-display-medium: 2.5rem;  /* 40px */
  --font-size-display-small: 2rem;     /* 32px */
  --font-size-large-title: 2.125rem;   /* 34px */
  --font-size-title: 1.75rem;          /* 28px */
  --font-size-title-2: 1.375rem;       /* 22px */
  --font-size-title-3: 1.25rem;        /* 20px */
  --font-size-headline: 1.0625rem;     /* 17px */
  --font-size-body: 1.0625rem;         /* 17px */
  --font-size-subheadline: 0.9375rem;  /* 15px */
  --font-size-footnote: 0.8125rem;     /* 13px */
  --font-size-caption: 0.75rem;        /* 12px */

  /* Typography - Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;

  /* Typography - Letter Spacing (tracking) */
  --tracking-display: -0.02em;
  --tracking-title: -0.01em;
  --tracking-body: 0;
  --tracking-wide: 0.02em;

  /* Spacing (8pt grid from AppSpacing.swift) */
  --space-xxs: 0.125rem;   /* 2px */
  --space-xs: 0.25rem;     /* 4px */
  --space-sm: 0.5rem;      /* 8px */
  --space-md: 0.75rem;     /* 12px */
  --space-lg: 1rem;        /* 16px */
  --space-xl: 1.25rem;     /* 20px */
  --space-2xl: 1.5rem;     /* 24px */
  --space-3xl: 2rem;       /* 32px */
  --space-4xl: 2.5rem;     /* 40px */
  --space-5xl: 3rem;       /* 48px */
  --space-6xl: 4rem;       /* 64px */
  --space-7xl: 5rem;       /* 80px */

  /* Semantic Spacing */
  --space-screen-horizontal: 1.5rem;   /* 24px */
  --space-screen-horizontal-lg: 2rem;  /* 32px */
  --space-section: 3rem;               /* 48px */
  --space-section-lg: 4rem;            /* 64px */
  --space-card-padding: 1.5rem;        /* 24px */
  --space-card-padding-lg: 2rem;       /* 32px */

  /* Border Radius (from AppCornerRadius.swift) */
  --radius-xs: 0.25rem;    /* 4px */
  --radius-sm: 0.75rem;    /* 12px */
  --radius-md: 1.25rem;    /* 20px */
  --radius-lg: 1.75rem;    /* 28px */
  --radius-xl: 2rem;       /* 32px */
  --radius-2xl: 2.5rem;    /* 40px */
  --radius-full: 9999px;   /* Pill shape */

  /* Semantic Radius */
  --radius-card: var(--radius-xl);
  --radius-button: var(--radius-full);
  --radius-input: var(--radius-md);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(17, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(17, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(17, 0, 0, 0.08);
  --shadow-xl: 0 16px 48px rgba(17, 0, 0, 0.1);

  /* Transitions */
  --transition-quick: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-Index Scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;

  /* Layout */
  --max-width-content: 1200px;
  --max-width-text: 680px;
  --header-height: 4.5rem;
}

/* ============================================
   BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
}

/* ============================================
   TYPOGRAPHY STYLES
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  letter-spacing: var(--tracking-title);
}

.display-hero {
  font-size: var(--font-size-display-hero);
  font-weight: var(--font-weight-black);
  letter-spacing: var(--tracking-display);
  line-height: 0.95;
}

.display-large {
  font-size: var(--font-size-display-large);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-display);
  line-height: 1.0;
}

.display-medium {
  font-size: var(--font-size-display-medium);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
}

.display-small {
  font-size: var(--font-size-display-small);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-display);
  line-height: 1.15;
}

.large-title {
  font-size: var(--font-size-large-title);
  font-weight: var(--font-weight-bold);
}

.title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-semibold);
}

.title-2 {
  font-size: var(--font-size-title-2);
  font-weight: var(--font-weight-semibold);
}

.title-3 {
  font-size: var(--font-size-title-3);
  font-weight: var(--font-weight-medium);
}

.headline {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
}

.body {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
}

.subheadline {
  font-size: var(--font-size-subheadline);
  font-weight: var(--font-weight-regular);
}

.footnote {
  font-size: var(--font-size-footnote);
  font-weight: var(--font-weight-regular);
}

.caption {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-regular);
}

.overline {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Text colors - NO blue accent text */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-accent { color: var(--color-text-primary); }

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-screen-horizontal);
}

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

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

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

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-sticky);
  background: transparent;
  transition: background var(--transition-normal);
}

.header.scrolled {
  background: rgba(253, 251, 238, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-separator);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width-content);
  padding: 0 var(--space-screen-horizontal);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-text-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: var(--font-size-title-2);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-title);
}

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

.nav-link {
  font-size: var(--font-size-subheadline);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-quick);
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--color-text-primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-quick);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

/* Primary Button - Black pill (realfood.gov style) */
.btn-primary {
  padding: 1.125rem 2rem;
  background: var(--color-button-primary-bg);
  color: var(--color-button-primary-text);
  border-radius: var(--radius-button);
}

.btn-primary:hover {
  opacity: 0.9;
}

/* Secondary Button - Outlined */
.btn-secondary {
  padding: 1.125rem 2rem;
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-button-secondary-border);
  border-radius: var(--radius-button);
}

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

/* Glass Button */
.btn-glass {
  padding: 1.125rem 2rem;
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-cream);
  border-radius: var(--radius-button);
  border: 0.5px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.btn-glass:hover {
  background: rgba(0, 0, 0, 0.85);
}

/* Small Button */
.btn-sm {
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-subheadline);
}

/* Full Width */
.btn-full {
  width: 100%;
}

/* Coming Soon State */
.btn-coming-soon {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
}

.btn-coming-soon::after {
  content: 'Coming Soon';
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--color-accent-gold);
  color: var(--color-dark);
  font-size: 0.625rem;
  font-weight: var(--font-weight-bold);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding);
  transition: transform var(--transition-quick), box-shadow var(--transition-quick);
}

.card-elevated {
  background: var(--color-card-elevated);
  box-shadow: var(--shadow-md);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: var(--font-size-title-2);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
}

.card-description {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6xl);
  align-items: center;
}

.hero-text {
  max-width: 560px;
}

.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-surface);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2xl);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-black);
  letter-spacing: var(--tracking-display);
  line-height: 1.0;
  margin-bottom: var(--space-2xl);
}

/* NO colored text - all headlines black */
.hero-title span {
  color: var(--color-text-primary);
}

.hero-subtitle {
  font-size: var(--font-size-title-3);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3xl);
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

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

.hero-phone {
  width: 100%;
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 32px 64px rgba(17, 0, 0, 0.15));
}

/* Decorative elements - subtle warm tones, NO blue */
.hero-decoration {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: var(--color-accent-gold);
  opacity: 0.03;
  filter: blur(100px);
  z-index: -1;
}

.hero-decoration-1 {
  top: 10%;
  right: -10%;
}

.hero-decoration-2 {
  bottom: 10%;
  left: -10%;
}

/* ============================================
   FEATURES SECTION - Editorial layout, NO cards
   ============================================ */
.features {
  background: var(--color-background);
}

.features-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-6xl);
}

.features-title {
  font-size: var(--font-size-display-small);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.features-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-title-3);
}

/* Editorial layout - alternating large illustrations */
.features-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-7xl);
}

.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5xl);
  align-items: center;
  /* NO background, NO border-radius, NO padding - editorial style */
}

/* Alternate layout for even items */
.feature-card:nth-child(even) {
  direction: rtl;
}

.feature-card:nth-child(even) > * {
  direction: ltr;
}

.feature-card:hover {
  transform: none;
  box-shadow: none;
}

.feature-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-illustration img {
  width: 100%;
  max-width: 320px;
  height: auto;
}

.feature-content {
  max-width: 480px;
}

.feature-title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: var(--font-size-body);
}

/* Remove old icon styles - we use illustrations now */
.feature-icon {
  display: none;
}

/* ============================================
   STATS SECTION - Same cream background, subtle
   ============================================ */
.stats {
  background: var(--color-background);
  color: var(--color-text-primary);
  border-top: 1px solid var(--color-separator);
  border-bottom: 1px solid var(--color-separator);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  text-align: center;
}

.stat-item {
  padding: var(--space-2xl);
}

.stat-number {
  font-size: var(--font-size-display-medium);
  font-weight: var(--font-weight-black);
  letter-spacing: var(--tracking-display);
  line-height: 1;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.stat-label {
  font-size: var(--font-size-subheadline);
  color: var(--color-text-secondary);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
  background: var(--color-background);
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-5xl);
}

.faq-title {
  font-size: var(--font-size-display-small);
  margin-bottom: var(--space-lg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2xl) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-family);
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  transition: color var(--transition-quick);
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

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

.faq-answer-content {
  padding-bottom: var(--space-2xl);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  background: var(--color-surface);
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--font-size-display-small);
  margin-bottom: var(--space-lg);
}

.cta-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-title-3);
  margin-bottom: var(--space-3xl);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-dark);
  color: var(--color-cream);
  padding: var(--space-5xl) 0 var(--space-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-5xl);
  margin-bottom: var(--space-5xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: var(--color-cream);
  text-decoration: none;
}

.footer-logo-text {
  font-size: var(--font-size-title-2);
  font-weight: var(--font-weight-bold);
}

.footer-tagline {
  color: rgba(253, 251, 238, 0.7);
  line-height: 1.6;
}

.footer-section-title {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(253, 251, 238, 0.5);
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-link {
  color: rgba(253, 251, 238, 0.8);
  text-decoration: none;
  font-size: var(--font-size-subheadline);
  transition: color var(--transition-quick);
}

.footer-link:hover {
  color: var(--color-cream);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(253, 251, 238, 0.1);
}

.footer-copyright {
  color: rgba(253, 251, 238, 0.5);
  font-size: var(--font-size-footnote);
}

.footer-social {
  display: flex;
  gap: var(--space-lg);
}

.footer-social-link {
  color: rgba(253, 251, 238, 0.6);
  transition: color var(--transition-quick);
}

.footer-social-link:hover {
  color: var(--color-cream);
}

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal-page {
  padding-top: calc(var(--header-height) + var(--space-5xl));
  padding-bottom: var(--space-6xl);
  min-height: 100vh;
}

.legal-header {
  margin-bottom: var(--space-5xl);
}

.legal-title {
  font-size: var(--font-size-display-small);
  margin-bottom: var(--space-md);
}

.legal-date {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-subheadline);
}

.legal-content {
  max-width: var(--max-width-text);
}

.legal-content h2 {
  font-size: var(--font-size-title-2);
  margin-top: var(--space-4xl);
  margin-bottom: var(--space-lg);
}

.legal-content h3 {
  font-size: var(--font-size-title-3);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
}

.legal-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.legal-content ul, .legal-content ol {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  padding-left: var(--space-2xl);
}

.legal-content li {
  margin-bottom: var(--space-sm);
}

.legal-content a {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  text-decoration-thickness: 2px;
}

/* Contact Card */
.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: var(--space-card-padding-lg);
  margin-top: var(--space-4xl);
}

.contact-card-title {
  font-size: var(--font-size-title-3);
  margin-bottom: var(--space-md);
}

.contact-card-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-email:hover {
  text-decoration-thickness: 2px;
}

/* ============================================
   MOBILE NAVIGATION
   ============================================ */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-background);
  padding: var(--space-2xl);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mobile-nav-link {
  font-size: var(--font-size-title-2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-separator);
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --space-screen-horizontal: 1.25rem;
    --space-section: 2.5rem;
    --space-section-lg: 3rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4xl);
  }

  .hero-text {
    max-width: 100%;
  }

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

  .hero-phone {
    max-width: 280px;
  }

  .features-grid {
    gap: var(--space-5xl);
  }

  .feature-card {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    text-align: center;
  }

  .feature-card:nth-child(even) {
    direction: ltr;
  }

  .feature-illustration {
    order: -1;
  }

  .feature-illustration img {
    max-width: 280px;
  }

  .feature-content {
    max-width: 100%;
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --font-size-display-hero: 3rem;
    --font-size-display-large: 2.5rem;
    --font-size-display-medium: 2rem;
    --font-size-display-small: 1.75rem;
    --space-section: 2rem;
  }

  .nav {
    display: none;
  }

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

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-3xl));
    padding-bottom: var(--space-3xl);
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: var(--font-size-body);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-image {
    order: -1;
  }

  .hero-phone {
    max-width: 220px;
  }

  .feature-card {
    gap: var(--space-2xl);
  }

  .feature-illustration img {
    max-width: 220px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

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

  .legal-title {
    font-size: var(--font-size-title);
  }
}

/* Small Mobile */
@media (max-width: 375px) {
  :root {
    --space-screen-horizontal: 1rem;
    --space-card-padding: 1.25rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .btn-primary, .btn-secondary {
    padding: 1rem 1.5rem;
  }
}

/* ============================================
   UTILITIES
   ============================================ */
.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;
}

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

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

.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); }

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }