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

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Colors - from ThemeCatalog.swift */
  --color-background: #F0EBE7;
  --color-surface: #F7F7F7;
  --color-dark: #000000;
  --color-accent: #DD6031;
  --color-on-accent: #FFFFFF;

  /* Text Colors */
  --color-text-primary: #000000;
  --color-text-secondary: #777777;
  --color-text-tertiary: #999999;

  /* Semantic States */
  --color-success: #1E7D3A;
  --color-error: #C62828;

  /* UI Elements */
  --color-separator: #E8DCC8;
  --color-fill: #EDE8E3;
  --color-fill-secondary: #F5F1ED;

  /* Button Colors */
  --color-button-primary-bg: var(--color-accent);
  --color-button-primary-text: var(--color-on-accent);
  --color-button-secondary-border: rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font Sizes (from AppTypography.swift) */
  --font-size-stats-large: 3.5rem;   /* 56px */
  --font-size-display: 2.5rem;       /* 40px */
  --font-size-display-small: 2rem;   /* 32px */
  --font-size-title: 1.5rem;         /* 24px */
  --font-size-title-2: 1.25rem;      /* 20px */
  --font-size-headline: 1rem;        /* 16px */
  --font-size-body: 1.0625rem;       /* 17px */
  --font-size-subheadline: 0.9375rem;/* 15px */
  --font-size-caption: 0.75rem;      /* 12px */

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

  /* Letter Spacing */
  --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 */

  /* Semantic Spacing */
  --space-screen-horizontal: 1.5rem;
  --space-section: 3rem;
  --space-section-lg: 4rem;
  --space-card-padding: 1.5rem;
  --space-card-padding-lg: 2rem;

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

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

  /* Shadows (from AppShadows.swift) */
  --shadow-card: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-raised: 0 8px 16px rgba(0, 0, 0, 0.10);

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

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

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

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

.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(240, 235, 231, 0.95);
  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: 36px;
  height: 36px;
  border-radius: 22%;
}

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

.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;
}

.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);
}

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

.btn-coming-soon {
  pointer-events: none;
}

/* ============================================
   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-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: var(--tracking-display);
  line-height: 1.05;
  margin-bottom: var(--space-2xl);
}

.hero-title .accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--font-size-title-2);
  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;
}

.hero-decoration {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.06;
  filter: blur(100px);
  z-index: -1;
}

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

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

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  background: var(--color-background);
  padding: var(--space-4xl) 0;
}

.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-extrabold);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xl);
  background: var(--color-surface);
  padding: var(--space-4xl) var(--space-2xl);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.feature-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: rgba(221, 96, 49, 0.1);
  border-radius: var(--radius-md);
}

.feature-illustration svg {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
}

.feature-title {
  font-size: var(--font-size-title-2);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: var(--font-size-subheadline);
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
  background: var(--color-surface);
  padding: var(--space-section-lg) 0;
}

.how-it-works-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-5xl);
}

.how-it-works-title {
  font-size: var(--font-size-display-small);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-lg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
  max-width: 900px;
  margin: 0 auto;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: 50%;
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xl);
}

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

.step-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: var(--font-size-subheadline);
}

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

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

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

.cta-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-title-2);
  margin-bottom: var(--space-3xl);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-dark);
  color: var(--color-on-accent);
  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: #FFFFFF;
  text-decoration: none;
}

.footer-logo .logo-icon {
  border-radius: 22%;
}

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

.footer-tagline {
  color: rgba(255, 255, 255, 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(255, 255, 255, 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(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: var(--font-size-subheadline);
  transition: color var(--transition-quick);
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-caption);
}

/* ============================================
   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);
  margin-top: var(--space-4xl);
  margin-bottom: var(--space-lg);
}

.legal-content h3 {
  font-size: var(--font-size-title-2);
  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-accent);
  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-2);
  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-accent);
  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);
  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
   ============================================ */

/* 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 {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    max-width: 400px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    max-width: 400px;
  }

  .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: 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,
  .cta .btn {
    width: calc(100% - 2rem);
    margin: 0 auto;
  }

  .hero-image {
    order: -1;
  }

  .hero-phone {
    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;
}

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

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