/* ==========================================================================
   SAARTHI WEBSITE - MODERN PLAYFUL DESIGN
   Inspired by Duolingo's playful EdTech aesthetic
   ========================================================================== */

/* ==========================================================================
   GOOGLE FONTS IMPORT
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

/* ==========================================================================
   CSS VARIABLES - DESIGN SYSTEM
   ========================================================================== */
:root {
  /* Primary Colors */
  --color-teal: #2D9B9B;
  --color-teal-deep: #1A6B6B;
  --color-teal-light: #B8E6E6;
  --color-teal-bright: #40E0D0;

  /* Secondary Colors */
  --color-gold: #FFD700;
  --color-orange: #FF8C42;
  --color-orange-dark: #FF6B35;
  --color-cream: #FFF8E7;
  --color-navy: #1A2332;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-off-white: #FAFAFA;
  --color-light-gray: #F5F5F5;
  --color-medium-gray: #9CA3AF;
  --color-dark-gray: #374151;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Font Sizes - Desktop */
  --font-display: 64px;
  --font-h1: 48px;
  --font-h2: 36px;
  --font-h3: 28px;
  --font-h4: 24px;
  --font-body-lg: 20px;
  --font-body: 18px;
  --font-body-sm: 16px;
  --font-caption: 14px;

  /* Spacing (8px base) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 128px;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-xl: 48px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.16);
  --shadow-teal: 0 8px 32px rgba(45, 155, 155, 0.15);
  --shadow-orange: 0 8px 32px rgba(255, 140, 66, 0.15);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   RESET & 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-primary);
  font-size: var(--font-body);
  line-height: 1.6;
  color: var(--color-dark-gray);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

button {
  font-family: var(--font-primary);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-base);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.display {
  font-size: var(--font-display);
  font-weight: 800;
  letter-spacing: -1px;
}

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

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

h3 {
  font-size: var(--font-h3);
  font-weight: 600;
}

h4 {
  font-size: var(--font-h4);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.eyebrow {
  font-size: var(--font-caption);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  margin-bottom: var(--space-3);
}

.eyebrow-orange {
  color: var(--color-orange);
  background: rgba(255, 140, 66, 0.1);
}

.eyebrow-navy {
  color: var(--color-navy);
  background: rgba(26, 35, 50, 0.1);
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-8) var(--space-4);
}

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

.flex {
  display: flex;
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 18px 40px;
  font-size: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  border: none;
  transition: all var(--transition-base);
  position: relative;
}

.btn-primary-orange {
  background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-orange-dark) 100%);
  color: white;
  box-shadow: var(--shadow-orange);
}

.btn-primary-orange:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 24px rgba(255, 140, 66, 0.4);
}

.btn-primary-navy {
  background: var(--color-navy);
  color: white;
  box-shadow: 0 4px 16px rgba(26, 35, 50, 0.3);
}

.btn-primary-navy:hover {
  background: #2C3E50;
  transform: scale(1.02);
}

.btn-ghost {
  background: transparent;
  color: var(--color-teal);
  border: 2px solid var(--color-teal);
  padding: 16px 32px;
}

.btn-ghost:hover {
  background: var(--color-teal);
  color: white;
  transform: scale(1.02);
}

.btn-ghost-white {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-ghost-white:hover {
  background: white;
  color: var(--color-teal);
}

.btn-white {
  background: white;
  color: var(--color-teal);
  font-weight: 600;
}

.btn-white:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  font-size: 18px;
  padding: 18px 40px;
}

.btn:active {
  transform: translateY(0) scale(1);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 20px 0;
  z-index: 1000;
  transition: all var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-navy);
  transition: all var(--transition-base);
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-logo-icon {
  font-size: 32px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--color-dark-gray);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-base);
}

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

.nav-cta {
  margin-left: var(--space-3);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================================================
   HERO SECTIONS
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-landing {
  background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-teal-bright) 100%);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1200px;
  padding: var(--space-4);
}

.hero-logo {
  font-size: 120px;
  margin-bottom: var(--space-3);
  filter: drop-shadow(0 4px 12px rgba(255, 255, 255, 0.3));
  animation: dropIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dropIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero-wordmark {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: white;
  letter-spacing: -0.5px;
  margin-bottom: var(--space-4);
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero h1 {
  color: white;
  font-size: 64px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: var(--space-3);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero .subheading {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-body-lg);
  margin-bottom: var(--space-7);
  animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Floating Animation */
.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ==========================================================================
   BLOB SHAPES
   ========================================================================== */
.blob {
  position: absolute;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  background: rgba(255, 255, 255, 0.1);
  animation: morph 8s ease-in-out infinite, float 6s ease-in-out infinite;
  z-index: 1;
}

@keyframes morph {
  0%, 100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  25% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
  50% {
    border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
  }
  75% {
    border-radius: 40% 60% 60% 40% / 70% 40% 60% 30%;
  }
}

.blob-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.blob-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  right: -150px;
  animation-delay: 2s;
}

.blob-3 {
  width: 350px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 4s;
  opacity: 0.5;
}

.blob-decoration {
  position: absolute;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(184, 230, 230, 0.2) 0%, rgba(64, 224, 208, 0.2) 100%);
  z-index: -1;
}

/* ==========================================================================
   CARDS
   ========================================================================== */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slow);
  position: relative;
}

.card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.card-choice {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slow);
  text-align: center;
  max-width: 450px;
}

.card-choice:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.card-choice-mascot {
  width: 280px;
  height: 280px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 100%);
  border-radius: var(--radius-md);
  font-size: 120px;
}

.card-choice h3 {
  font-size: 32px;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.card-choice p {
  color: var(--color-medium-gray);
  font-size: var(--font-body-sm);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.card-choice .btn {
  width: 100%;
  margin-top: var(--space-4);
}

.card-how {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  text-align: center;
}

.card-how:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card-how-image {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F0FDFA 0%, #E0F2F1 100%);
  border-radius: var(--radius-md);
  font-size: 80px;
}

.card-how h3 {
  font-size: var(--font-h4);
  margin-bottom: var(--space-3);
}

.card-how p {
  color: var(--color-medium-gray);
  font-size: var(--font-body-sm);
  line-height: 1.6;
}

/* Path Cards */
.path-card {
  background: linear-gradient(135deg, #F0FDFA 0%, #CCFBF1 100%);
  border: 2px solid var(--color-teal-light);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.path-card:hover {
  transform: scale(1.05);
  border-color: var(--color-teal);
  box-shadow: var(--shadow-teal);
}

.path-icon {
  width: 96px;
  height: 96px;
  background: var(--color-teal);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
  font-size: 28px;
  font-weight: 700;
}

.path-name {
  font-size: var(--font-body);
  font-weight: 600;
  color: var(--color-navy);
}

/* Quality Badge Cards */
.badge-card {
  background: white;
  border: 2px solid #E5E7EB;
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
  text-align: center;
}

.badge-icon {
  width: 100px;
  height: 100px;
  background: var(--color-teal);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
  font-size: 28px;
}

.badge-card h3 {
  font-size: var(--font-h4);
  margin-bottom: var(--space-3);
}

.badge-card p {
  color: var(--color-medium-gray);
  font-size: 15px;
  line-height: 1.6;
}

/* ==========================================================================
   IMAGE PLACEHOLDERS
   ========================================================================== */
.image-placeholder {
  background: linear-gradient(135deg, #F0FDFA 0%, #E0F2F1 100%);
  border: 2px dashed var(--color-teal-light);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-medium-gray);
  font-size: var(--font-caption);
  font-weight: 500;
  padding: var(--space-4);
  text-align: center;
}

.image-placeholder-icon {
  font-size: 80px;
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   FEATURE LISTS
   ========================================================================== */
.feature-list {
  list-style: none;
  margin: var(--space-5) 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--font-body-sm);
  line-height: 1.6;
  color: var(--color-dark-gray);
}

.feature-icon {
  width: 24px;
  height: 24px;
  background: var(--color-teal);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 700;
}

/* ==========================================================================
   STATS
   ========================================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-7);
}

.stat-card {
  background: linear-gradient(135deg, #F0FDFA 0%, #E0F2F1 100%);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  color: var(--color-teal);
  display: block;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-body);
  font-weight: 500;
  color: var(--color-dark-gray);
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--space-4);
  background: transparent;
  text-align: left;
  font-size: var(--font-body);
  font-weight: 600;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: color var(--transition-base);
}

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

.faq-icon {
  font-size: 24px;
  font-weight: 400;
  color: var(--color-teal);
  transition: transform var(--transition-base);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 var(--space-4);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 var(--space-4) var(--space-4);
}

.faq-answer p {
  color: var(--color-medium-gray);
  font-size: var(--font-body-sm);
  line-height: 1.6;
}

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-inline {
  display: flex;
  gap: var(--space-3);
  max-width: 500px;
  margin: var(--space-6) auto 0;
}

.form-input {
  flex: 1;
  padding: 18px 24px;
  font-size: var(--font-body-sm);
  border: none;
  border-radius: var(--radius-sm);
  background: white;
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(45, 155, 155, 0.2);
}

.form-input::placeholder {
  color: var(--color-medium-gray);
}

.form-privacy {
  font-size: var(--font-caption);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-3);
  display: block;
  text-align: center;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--color-navy);
  color: white;
  padding: var(--space-6) var(--space-4);
  text-align: center;
}

.footer-ecosystem-title {
  font-size: var(--font-caption);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-3);
}

.footer-ecosystem-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.footer-ecosystem-link {
  color: white;
  font-weight: 600;
  font-size: var(--font-body-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.footer-ecosystem-link:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.footer-ecosystem-link.active {
  color: var(--color-teal-light);
  font-weight: 700;
}

.footer-bottom {
  font-size: var(--font-caption);
  color: rgba(255, 255, 255, 0.6);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   CTA SECTIONS
   ========================================================================== */
.cta-section {
  padding: var(--space-8) var(--space-4);
  background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-teal-bright) 100%);
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-section h2 {
  color: white;
  font-size: var(--font-h1);
  margin-bottom: var(--space-3);
}

.cta-section .subheading {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-body-lg);
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   BACKGROUNDS
   ========================================================================== */
.bg-cream {
  background-color: var(--color-cream);
}

.bg-off-white {
  background-color: var(--color-off-white);
}

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

.bg-navy {
  background-color: var(--color-navy);
  color: white;
}

.bg-light-gray {
  background-color: var(--color-light-gray);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --font-display: 36px;
    --font-h1: 32px;
    --font-h2: 28px;
    --font-h3: 24px;
    --font-h4: 20px;
    --font-body: 16px;
  }

  .hero h1 {
    font-size: 36px;
    line-height: 1.1;
  }

  .hero .subheading {
    font-size: 16px;
  }

  .hero-logo {
    font-size: 80px;
  }

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

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

  .card {
    padding: var(--space-5);
  }

  .section {
    padding: var(--space-7) var(--space-4);
  }

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

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

  /* Mobile Navigation */
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: white;
    flex-direction: column;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .choice-cards {
    flex-direction: column;
    gap: var(--space-5);
  }

  .card-choice-mascot {
    width: 200px;
    height: 200px;
    font-size: 80px;
  }

  .blob {
    display: none;
  }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */
.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;
}

*:focus-visible {
  outline: 3px solid var(--color-teal);
  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;
  }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-7 { margin-bottom: var(--space-7); }

.mt-0 { margin-top: 0; }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }

.text-white { color: white; }
.text-teal { color: var(--color-teal); }
.text-navy { color: var(--color-navy); }
.text-gray { color: var(--color-medium-gray); }

.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }