/**
 * SuppaLog Website Styles - AG1 Light Mode
 * Pure AG1-Inspired Premium Wellness Aesthetic
 * Colors from /suppalog-app/src/constants/design.ts
 */

/* ============================================
   CSS VARIABLES - AG1 LIGHT MODE ONLY
   ============================================ */

:root {
  /* AG1 Primary Colors */
  --color-primary: #0c3d3d;         /* Deep teal - AG1 signature */
  --color-primary-dark: #083030;     /* Darker teal - pressed states */
  --color-primary-light: #1a5f5f;    /* Lighter teal - hover states */

  /* AG1 Secondary Colors */
  --color-secondary: #d4c5b0;        /* Stone/cream - buttons */
  --color-secondary-dark: #b8a890;   /* Darker stone - hover */
  --color-secondary-light: #e8dfd0;  /* Light cream */

  /* AG1 Light Mode Backgrounds */
  --color-bg: #FFFFFF;               /* Pure white - clean, clinical */
  --color-bg-stone: #f5f0ea;         /* Stone/cream - warm sections */
  --color-surface: #FFFFFF;
  --color-surface-warm: #faf8f5;     /* Subtle warm off-white */

  /* AG1 Borders */
  --color-border: #e0ddd8;           /* Soft stone border */
  --color-border-light: #eeece8;

  /* AG1 Text Colors */
  --color-text: #1a1a1a;             /* Near-black - strong readability */
  --color-text-secondary: #5a5a5a;   /* Charcoal grey */
  --color-text-tertiary: #8a8a8a;

  /* Semantic Colors */
  --color-success: #0c3d3d;
  --color-success-light: #e8f3f3;

  /* Spacing System (4px grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-base: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 32px;
  --font-size-5xl: 40px;
  --font-size-6xl: 48px;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows - Light and Subtle */
  --shadow-sm: 0 1px 2px rgba(12, 61, 61, 0.04);
  --shadow-md: 0 2px 8px rgba(12, 61, 61, 0.06);
  --shadow-lg: 0 4px 12px rgba(12, 61, 61, 0.08);
  --shadow-xl: 0 8px 24px rgba(12, 61, 61, 0.10);

  /* Animation */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --max-width-content: 800px;
  --max-width-container: 1200px;
  --header-height: 70px;
}

/* Force Light Mode Only - No Dark Mode Support */
html {
  color-scheme: light only;
}

/* ============================================
   BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--space-base);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-6xl);
}

h2 {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

p {
  margin-bottom: var(--space-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

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

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

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

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */

.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--space-base);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

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

/* ============================================
   HERO SECTION - WHITE BACKGROUND AG1 STYLE
   ============================================ */

.hero {
  background: var(--color-bg);
  padding: 80px 0;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  color: var(--color-primary);
  font-size: 56px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-tight);
}

.hero-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-base);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   STATS SECTION - STONE BACKGROUND
   ============================================ */

.stats-section {
  background: var(--color-bg-stone);
  padding: var(--space-2xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  max-width: 900px;
  margin: 0 auto;
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.stat-number-text {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: 16px 32px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}

.btn-lg {
  padding: 20px 40px;
  font-size: var(--font-size-lg);
}

/* ============================================
   BENTO GRID - WHITE BACKGROUND
   ============================================ */

.features-bento {
  background: var(--color-bg);
}

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

.bento-large {
  grid-column: span 3;
  grid-row: span 2;
  min-height: 400px;
}

.bento-medium {
  grid-column: span 3;
  min-height: 250px;
}

.bento-small {
  grid-column: span 2;
  min-height: 200px;
}

.bento-card {
  position: relative;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.bento-card:active {
  transform: translateY(-2px);
}

/* Teal accent card - light teal background (default selected) */
.teal-accent {
  background: var(--color-success-light);
  border-color: var(--color-primary-light);
}

/* When hovering over teal accent card, make it white (swap effect) */
.teal-accent:hover {
  background: var(--color-surface);
  border-color: var(--color-border);
}

.bento-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-tag {
  display: inline-block;
  padding: var(--space-sm) var(--space-base);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-base);
  width: fit-content;
}

.feature-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-base);
}

.bento-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-base);
}

.bento-card h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.bento-card p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
}

/* ============================================
   HOW IT WORKS - STONE BACKGROUND
   ============================================ */

.how-it-works {
  background: var(--color-bg-stone);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-top: var(--space-3xl);
}

.step-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.step-number {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-base);
  opacity: 0.4;
}

.step-card h3 {
  color: var(--color-primary);
}

.step-arrow {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.step-arrow ion-icon {
  font-size: var(--font-size-4xl);
}

/* ============================================
   SOCIAL PROOF - WHITE BACKGROUND
   ============================================ */

.social-proof {
  background: var(--color-bg);
}

.social-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.proof-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.proof-icon {
  width: 60px;
  height: 60px;
  background: var(--color-success-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin: 0 auto var(--space-base);
}

.proof-icon ion-icon {
  font-size: var(--font-size-3xl);
}

.proof-card h4 {
  color: var(--color-primary);
}

/* ============================================
   CTA SECTION - STONE BACKGROUND
   ============================================ */

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

.cta-card {
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.cta-card h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-base);
}

.cta-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--space-base);
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--space-2xl) 0 var(--space-lg);
}

.cta-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-surface-warm);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-section h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-base);
}

.footer-links {
  list-style: none;
}

.footer-link {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================
   BACK TO TOP
   ============================================ */

.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  background: var(--color-primary);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}

.back-to-top ion-icon {
  font-size: 24px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
}

/* ============================================
   FORMS (for support page)
   ============================================ */

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

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 61, 61, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ============================================
   ACCORDION (FAQ)
   ============================================ */

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-base);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition-fast);
}

.accordion-header:hover {
  background: var(--color-bg-stone);
}

.accordion-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.accordion-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

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

.accordion-content-inner {
  padding: 0 var(--space-lg) var(--space-lg);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

/* ============================================
   LEGAL PAGES
   ============================================ */

.legal-header {
  background: var(--color-bg-stone);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.legal-header h1 {
  color: var(--color-primary);
}

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

.legal-content h2 {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.legal-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.legal-content li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

.text-secondary {
  color: var(--color-text-secondary);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-base); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

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

  .bento-large {
    grid-column: span 4;
  }

  .bento-medium {
    grid-column: span 2;
  }

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

  .step-arrow {
    display: none;
  }
}

@media (max-width: 767px) {
  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

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

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

  .nav-links {
    gap: var(--space-base);
  }

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

  .bento-large,
  .bento-medium,
  .bento-small {
    grid-column: span 1;
    min-height: 200px;
  }

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

  .social-proof-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

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

/* ============================================
   ACCESSIBILITY
   ============================================ */

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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