/* ============================================
   NutriPlan — Design System & Global Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Primary Palette */
  --primary: #2DB573;
  --primary-dark: #1A8F5C;
  --primary-darker: #0F6B42;
  --primary-light: #4CC98A;
  --primary-bg: #E8F8EF;
  --primary-bg-soft: #F0FFF5;
  
  /* Accent */
  --accent: #FF6B35;
  --accent-dark: #E55A28;
  --accent-light: #FF8A5C;
  
  /* Neutrals */
  --bg: #FAFFF7;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-dark: #0F1F15;
  --bg-dark-card: #162B1E;
  
  /* Text */
  --text: #1A2A1D;
  --text-secondary: #4A6350;
  --text-muted: #7A9882;
  --text-light: #FFFFFF;
  --text-on-primary: #FFFFFF;
  
  /* Borders */
  --border: #D4E8DA;
  --border-light: #E8F0EB;
  --border-focus: var(--primary);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 42, 29, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 42, 29, 0.08);
  --shadow-lg: 0 8px 30px rgba(26, 42, 29, 0.12);
  --shadow-xl: 0 16px 50px rgba(26, 42, 29, 0.15);
  --shadow-glow: 0 0 30px rgba(45, 181, 115, 0.3);
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  --radius-pill: 100px;
  
  /* Typography */
  --font-heading: 'Nunito', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-normal: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 20px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  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-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--text-on-primary);
  box-shadow: 0 4px 15px rgba(45, 181, 115, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 6px 25px rgba(45, 181, 115, 0.5);
  transform: translateY(-2px);
}

.btn--accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.35);
}

.btn--accent:hover {
  box-shadow: 0 6px 25px rgba(255, 107, 53, 0.5);
  transform: translateY(-2px);
}

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

.btn--dark:hover {
  background: #1a3024;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: var(--text-on-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 20px;
}

.btn--ghost:hover {
  color: var(--primary);
  background: var(--primary-bg);
}

.btn--lg {
  padding: 18px 42px;
  font-size: 1.1rem;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

.btn--back {
  background: var(--primary-bg);
  color: var(--primary-dark);
  padding: 10px 24px;
  font-size: 0.9rem;
}

.btn--back:hover {
  background: var(--primary);
  color: white;
}

/* --- Input Fields --- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
}

.input-field {
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  color: var(--text);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.input-field:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(45, 181, 115, 0.1);
}

.input-field::placeholder {
  color: var(--text-muted);
}

.input-field--error {
  border-color: #E74C3C;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-light);
}

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

.card--flat {
  box-shadow: none;
  border: 1px solid var(--border);
}

.card--green {
  background: linear-gradient(135deg, var(--primary-bg), var(--primary-bg-soft));
  border-color: rgba(45, 181, 115, 0.15);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-heading);
}

.badge--primary {
  background: var(--primary-bg);
  color: var(--primary-dark);
}

.badge--accent {
  background: #FFF0EA;
  color: var(--accent-dark);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
  background: transparent;
}

.header.scrolled {
  background: rgba(250, 255, 247, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  box-shadow: 0 4px 12px rgba(45, 181, 115, 0.3);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

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

.header__nav a:hover::after {
  width: 100%;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.header__menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--bg) 0%, var(--primary-bg-soft) 50%, var(--primary-bg) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45, 181, 115, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  animation: fadeInUp 0.8s var(--ease-out) both;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(45, 181, 115, 0.2);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-md);
  line-height: 1.15;
}

.hero__title span {
  color: var(--primary);
  position: relative;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero__cta-group {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--space-2xl);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--primary);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInRight 0.8s var(--ease-out) 0.2s both;
}

.hero__image-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.hero__image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero__float-card {
  position: absolute;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 3s ease-in-out infinite;
}

.hero__float-card--1 {
  top: 10%;
  right: -30px;
  animation-delay: 0s;
}

.hero__float-card--2 {
  bottom: 15%;
  left: -20px;
  animation-delay: 1.5s;
}

.hero__float-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.hero__float-card-icon--green {
  background: var(--primary-bg);
  color: var(--primary);
}

.hero__float-card-icon--orange {
  background: #FFF0EA;
  color: var(--accent);
}

.hero__float-card-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
}

.hero__float-card-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
  padding: var(--space-4xl) 0;
  background: var(--bg-white);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header h2 span {
  color: var(--primary);
}

.section-header p {
  font-size: 1.05rem;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.benefit-card {
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  background: var(--bg-white);
}

.benefit-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--primary-bg), rgba(45, 181, 115, 0.15));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: all var(--transition-normal);
}

.benefit-card:hover .benefit-card__icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.benefit-card:hover .benefit-card__icon span {
  filter: brightness(10);
}

.benefit-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.benefit-card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   RESULTS SECTION (What you get)
   ============================================ */
.results {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--primary-bg-soft) 100%);
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.result-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  align-items: flex-start;
}

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

.result-card__number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.2rem;
  color: white;
}

.result-card h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.result-card p {
  font-size: 0.9rem;
}

/* ============================================
   PROMO SECTION
   ============================================ */
.promo {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #0a1a10 100%);
  position: relative;
  overflow: hidden;
}

.promo::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at right, rgba(45, 181, 115, 0.1), transparent 70%);
}

.promo__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.promo__content {
  color: var(--text-light);
}

.promo__content h2 {
  color: var(--text-light);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: var(--space-md);
}

.promo__content h2 span {
  color: var(--primary-light);
}

.promo__content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  max-width: 420px;
}

.promo__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.promo__feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

.promo__feature-icon {
  width: 32px;
  height: 32px;
  background: rgba(45, 181, 115, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1rem;
  flex-shrink: 0;
}

.promo__visual {
  display: flex;
  justify-content: center;
}

.promo__phone-mockup {
  width: 280px;
  height: 560px;
  background: #1a1a2e;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(45, 181, 115, 0.15);
  position: relative;
}

.promo__phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-bg), var(--bg-white));
  border-radius: 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
}

.promo__phone-header {
  text-align: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 12px;
}

.promo__phone-header h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--primary-dark);
}

.promo__phone-header span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.promo__phone-meals {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.promo__phone-meal {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.promo__phone-meal-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.promo__phone-meal-text strong {
  display: block;
  font-size: 0.7rem;
  font-family: var(--font-heading);
  color: var(--text);
}

.promo__phone-meal-text span {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* ============================================
   QUIZ SECTIONS
   ============================================ */
.quiz-cta {
  padding: var(--space-4xl) 0;
  background: var(--bg-white);
  text-align: center;
}

.quiz-cta__inner {
  max-width: 650px;
  margin: 0 auto;
}

.quiz-cta h2 {
  margin-bottom: var(--space-md);
}

.quiz-cta p {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
}

/* Quiz Container */
.quiz {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, var(--primary-bg-soft), var(--bg));
  min-height: 600px;
}

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

/* Progress Bar */
.quiz__progress {
  margin-bottom: var(--space-2xl);
}

.quiz__progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.quiz__progress-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary-dark);
}

.quiz__progress-count {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.quiz__progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.quiz__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-pill);
  transition: width 0.5s var(--ease-out);
  position: relative;
}

.quiz__progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-pill);
  animation: shimmer 1.5s infinite;
}

/* Quiz Step */
.quiz__step {
  display: none;
  animation: fadeInUp 0.4s var(--ease-out) both;
}

.quiz__step.active {
  display: block;
}

.quiz__step-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.quiz__step-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-top: -12px;
  margin-bottom: var(--space-xl);
  font-size: 0.95rem;
}

/* Quiz Options */
.quiz__options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.quiz__options--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.quiz__option {
  position: relative;
}

.quiz__option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.quiz__option label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 16px 20px;
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: 500;
}

.quiz__option label:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.quiz__option input:checked + label {
  border-color: var(--primary);
  background: var(--primary-bg);
  box-shadow: 0 0 0 4px rgba(45, 181, 115, 0.1);
}

.quiz__option-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Quiz Inputs (parameters) */
.quiz__inputs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

/* Quiz Navigation */
.quiz__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* Quiz Gender Buttons */
.quiz__gender-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: 400px;
  margin: 0 auto;
}

.quiz__gender-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

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

.quiz__gender-btn.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.quiz__gender-icon {
  font-size: 3rem;
}

.quiz__gender-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ============================================
   QUIZ RESULTS (Body Analysis)
   ============================================ */
.quiz-results {
  padding: var(--space-4xl) 0;
  background: var(--bg-white);
}

.quiz-results__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.quiz-results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.quiz-result-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.quiz-result-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.quiz-result-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.quiz-result-card h3 {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.quiz-result-card__value {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2rem;
  color: var(--primary);
  display: block;
  margin: var(--space-sm) 0;
}

.quiz-result-card p {
  font-size: 0.85rem;
}

/* Calorie progress */
.calorie-bar {
  width: 100%;
  margin-top: var(--space-md);
}

.calorie-bar__track {
  height: 12px;
  background: var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.calorie-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--accent));
  border-radius: var(--radius-pill);
  transition: width 1s var(--ease-out);
}

.calorie-bar__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, var(--bg), var(--primary-bg-soft));
}

.reviews__header {
  text-align: center;
  margin-bottom: var(--space-md);
}

.reviews__count {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary-dark);
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(45, 181, 115, 0.2);
}

.reviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.review-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  position: relative;
}

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

.review-card__quote {
  font-size: 2.5rem;
  color: var(--primary);
  opacity: 0.3;
  font-family: serif;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.review-card__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.review-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-bg), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
}

.review-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
}

.review-card__age {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-card__stars {
  color: #FFB800;
  font-size: 0.85rem;
  letter-spacing: 2px;
}

/* ============================================
   ORDER SECTION
   ============================================ */
.order {
  padding: var(--space-4xl) 0;
  background: var(--bg-white);
  position: relative;
  overflow: hidden;
}

.order::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45, 181, 115, 0.05), transparent 70%);
  border-radius: 50%;
}

.order__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.order__visual {
  position: relative;
}

.order__image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.order__content h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: var(--space-sm);
}

.order__content h2 span {
  display: block;
  color: var(--primary);
}

/* Timer */
.timer {
  background: linear-gradient(135deg, var(--primary-bg), rgba(45, 181, 115, 0.1));
  border: 1px solid rgba(45, 181, 115, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.timer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.timer__label {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text);
}

.timer__price {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.timer__old-price {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 1rem;
}

.timer__new-price {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--primary);
}

.timer__countdown {
  display: flex;
  align-items: center;
  gap: 6px;
}

.timer__countdown-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-right: var(--space-sm);
}

.timer__digit {
  background: var(--bg-dark);
  color: var(--text-light);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  min-width: 50px;
  text-align: center;
}

.timer__separator {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text);
}

/* Order Form */
.order__form {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.order__form .input-field {
  padding: 16px 20px;
  font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer__logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   LOADING ANIMATION (Quiz processing)
   ============================================ */
.loading-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) 0;
  text-align: center;
}

.loading-screen.active {
  display: flex;
}

.loading-spinner {
  width: 80px;
  height: 80px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-xl);
}

.loading-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

.loading-subtext {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: var(--space-sm);
}

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-bg-soft), var(--bg));
  padding: var(--space-xl);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
}

.auth-card__logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.auth-card__logo-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: white;
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-glow);
}

.auth-card h2 {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.auth-card__subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.auth-form .btn {
  margin-top: var(--space-sm);
}

.auth-card__footer {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-card__footer a {
  color: var(--primary);
  font-weight: 600;
}

.auth-card__footer a:hover {
  text-decoration: underline;
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
  display: flex;
  min-height: 100vh;
  background: var(--bg);
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-white);
  border-right: 1px solid var(--border-light);
  padding: var(--space-xl) 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 var(--space-lg);
  margin-bottom: var(--space-2xl);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--primary-dark);
}

.sidebar__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
}

.sidebar__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 var(--space-md);
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.sidebar__link:hover {
  background: var(--primary-bg);
  color: var(--primary-dark);
}

.sidebar__link.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 12px rgba(45, 181, 115, 0.3);
}

.sidebar__link-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.sidebar__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-light);
}

.sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.sidebar__user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-weight: 800;
}

.sidebar__user-info strong {
  display: block;
  font-size: 0.85rem;
  font-family: var(--font-heading);
}

.sidebar__user-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Dashboard Main */
.dash-main {
  flex: 1;
  margin-left: 260px;
  padding: var(--space-xl) var(--space-2xl);
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.dash-header h1 {
  font-size: 1.8rem;
}

.dash-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Material Cards */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.material-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.material-card__image {
  height: 180px;
  background: linear-gradient(135deg, var(--primary-bg), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
  position: relative;
}

.material-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
}

.material-card__body {
  padding: var(--space-lg);
}

.material-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.material-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.material-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Profile */
.profile-section {
  max-width: 600px;
}

.profile-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.profile-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-sidebar {
  background: var(--bg-dark);
}

.admin-sidebar .sidebar__link {
  color: rgba(255, 255, 255, 0.6);
}

.admin-sidebar .sidebar__link:hover {
  background: rgba(45, 181, 115, 0.15);
  color: var(--primary-light);
}

.admin-sidebar .sidebar__link.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.admin-sidebar .sidebar__logo {
  color: var(--text-light);
}

.admin-sidebar .sidebar__footer {
  border-top-color: rgba(255, 255, 255, 0.1);
}

.admin-sidebar .sidebar__user-info strong {
  color: var(--text-light);
}

/* Admin Stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.admin-stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border-light);
}

.admin-stat-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.admin-stat-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.admin-stat-card__value {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2rem;
  color: var(--text);
}

.admin-stat-card__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Admin Table */
.admin-table {
  width: 100%;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.admin-table thead {
  background: var(--bg);
}

.admin-table th {
  padding: 14px 20px;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-table td {
  padding: 14px 20px;
  font-size: 0.9rem;
  border-top: 1px solid var(--border-light);
}

.admin-table tr:hover td {
  background: var(--primary-bg-soft);
}

.status-badge {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge--active {
  background: var(--primary-bg);
  color: var(--primary-dark);
}

.status-badge--pending {
  background: #FFF3E0;
  color: #E65100;
}

/* Material Editor */
.editor-container {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg);
  flex-wrap: wrap;
}

.editor-toolbar button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.editor-toolbar button:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

.editor-toolbar button.active {
  background: var(--primary);
  color: white;
}

.editor-content {
  min-height: 300px;
  padding: var(--space-xl);
  font-size: 1rem;
  line-height: 1.7;
  outline: none;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 31, 21, 0.6);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--space-xl);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

/* ============================================
   MATERIAL VIEW PAGE
   ============================================ */
.material-view {
  max-width: 800px;
}

.material-view__header {
  margin-bottom: var(--space-2xl);
}

.material-view__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.material-view__breadcrumb a {
  color: var(--primary);
}

.material-view__content {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--border-light);
  line-height: 1.8;
  font-size: 1.05rem;
}

.material-view__content h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.material-view__content p {
  margin-bottom: var(--space-md);
  color: var(--text);
}

.material-view__content ul {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.material-view__content ul li {
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: var(--space-md);
}

.material-view__content ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ============================================
   MOBILE TOGGLE
   ============================================ */
.mobile-sidebar-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--radius-full);
  z-index: 200;
  box-shadow: var(--shadow-lg);
  font-size: 1.5rem;
  align-items: center;
  justify-content: center;
}

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

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { opacity: 0; transform: translateX(-20px); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translateX(20px); }
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Intersection Observer animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero__cta-group {
    justify-content: center;
  }
  
  .hero__stats {
    justify-content: center;
  }
  
  .hero__visual {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .results__grid {
    grid-template-columns: 1fr;
  }
  
  .promo__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .promo__content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .promo__features {
    align-items: center;
  }
  
  .order__inner {
    grid-template-columns: 1fr;
  }
  
  .order__visual {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .quiz-results__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reviews__grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile sidebar */
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .dash-main {
    margin-left: 0;
  }
  
  .mobile-sidebar-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }
  
  .header__nav {
    display: none;
  }
  
  .header__menu-toggle {
    display: flex;
  }
  
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }
  
  .hero__float-card {
    display: none;
  }
  
  .benefits__grid {
    grid-template-columns: 1fr;
  }
  
  .quiz__options {
    grid-template-columns: 1fr;
  }
  
  .quiz__options--two {
    grid-template-columns: 1fr;
  }
  
  .quiz__inputs {
    grid-template-columns: 1fr;
  }
  
  .quiz-results__grid {
    grid-template-columns: 1fr;
  }
  
  .timer__countdown {
    flex-wrap: wrap;
  }
  
  .admin-stats {
    grid-template-columns: 1fr;
  }
  
  .admin-table {
    font-size: 0.8rem;
  }
  
  .admin-table th,
  .admin-table td {
    padding: 10px 12px;
  }
  
  .profile-form__row {
    grid-template-columns: 1fr;
  }

  .materials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer__inner {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }
  
  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.8rem;
  }
  
  .hero__stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .quiz__gender-options {
    grid-template-columns: 1fr;
  }
  
  .timer__digit {
    padding: 6px 10px;
    font-size: 1.2rem;
    min-width: 40px;
  }
  
  .promo__phone-mockup {
    width: 240px;
    height: 480px;
  }
}

/* ============================================
   DASHBOARD ENHANCED — Widgets & Interactive
   ============================================ */

/* Dashboard Welcome Banner */
.dash-welcome {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-2xl);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.dash-welcome::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}

.dash-welcome h2 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.dash-welcome p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

.dash-welcome__emoji {
  font-size: 3rem;
  animation: float 3s ease-in-out infinite;
}

/* Dashboard Stats Row */
.dash-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.dash-stat {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  text-align: center;
}

.dash-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.dash-stat__icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.dash-stat__value {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--text);
}

.dash-stat__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Dashboard Grid Layout */
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.dash-widget {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
}

.dash-widget__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.dash-widget__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Calorie Tracker */
.cal-tracker__summary {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.cal-tracker__circle {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--space-md);
  position: relative;
}

.cal-tracker__circle svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.cal-tracker__circle circle {
  fill: none;
  stroke-width: 10;
}

.cal-tracker__circle .circle-bg {
  stroke: var(--border);
}

.cal-tracker__circle .circle-fill {
  stroke: var(--primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s var(--ease-out);
}

.cal-tracker__circle-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.cal-tracker__circle-value {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--primary);
  display: block;
}

.cal-tracker__circle-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.cal-tracker__macros {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

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

.cal-tracker__macro-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
}

.cal-tracker__macro-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cal-tracker__macro-bar {
  width: 60px;
  height: 4px;
  background: var(--border);
  border-radius: var(--radius-pill);
  margin: 4px auto 0;
  overflow: hidden;
}

.cal-tracker__macro-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.5s var(--ease-out);
}

/* Meal Log */
.meal-log {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  max-height: 280px;
  overflow-y: auto;
}

.meal-log::-webkit-scrollbar {
  width: 4px;
}

.meal-log::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-pill);
}

.meal-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.meal-item:hover {
  background: var(--primary-bg);
}

.meal-item__icon {
  font-size: 1.3rem;
  width: 32px;
  text-align: center;
}

.meal-item__info {
  flex: 1;
}

.meal-item__name {
  font-weight: 600;
  font-size: 0.85rem;
  font-family: var(--font-heading);
}

.meal-item__detail {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.meal-item__kcal {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
}

.meal-item__delete {
  opacity: 0;
  padding: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
}

.meal-item:hover .meal-item__delete {
  opacity: 1;
}

.meal-item__delete:hover {
  color: #E74C3C;
}

/* Add Meal Form */
.add-meal-form {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

.add-meal-form .input-field {
  padding: 10px 14px;
  font-size: 0.85rem;
}

.add-meal-form .input-group {
  flex: 1;
}

.add-meal-form .input-label {
  font-size: 0.75rem;
}

/* Water Tracker */
.water-tracker {
  text-align: center;
}

.water-tracker__glasses {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.water-glass {
  width: 44px;
  height: 56px;
  border-radius: 4px 4px 8px 8px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  position: relative;
  background: var(--bg);
}

.water-glass::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(180deg, rgba(66, 165, 245, 0.4), rgba(33, 150, 243, 0.7));
  transition: height 0.4s var(--ease-bounce);
  border-radius: 0 0 6px 6px;
}

.water-glass.filled {
  border-color: #42A5F5;
}

.water-glass.filled::after {
  height: 100%;
}

.water-glass:hover {
  transform: scale(1.1);
  border-color: #42A5F5;
}

.water-tracker__info {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.water-tracker__target {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Daily Tip */
.daily-tip {
  background: linear-gradient(135deg, var(--primary-bg), var(--primary-bg-soft));
  border: 1px solid rgba(45, 181, 115, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.daily-tip__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.daily-tip__text {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
  font-style: italic;
}

.daily-tip__source {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* Game Section */
.game-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  margin-bottom: var(--space-lg);
}

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

.game__food-icon {
  font-size: 5rem;
  margin-bottom: var(--space-md);
  animation: float 2s ease-in-out infinite;
}

.game__food-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}

.game__food-portion {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.game__options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.game__option {
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  background: var(--bg-white);
}

.game__option:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
  transform: scale(1.03);
}

.game__option.correct {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary-dark);
  animation: pulse-correct 0.5s var(--ease-bounce);
}

.game__option.wrong {
  border-color: #E74C3C;
  background: #FDEDEB;
  color: #C0392B;
  animation: shake 0.4s var(--ease-out);
}

.game__option.disabled {
  pointer-events: none;
  opacity: 0.6;
}

.game__feedback {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: var(--space-md);
  display: none;
}

.game__feedback.correct {
  display: block;
  background: var(--primary-bg);
  color: var(--primary-dark);
}

.game__feedback.wrong {
  display: block;
  background: #FDEDEB;
  color: #C0392B;
}

.game__score {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

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

.game__score-value {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
}

.game__score-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Streak Badge */
.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
  color: #E65100;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid rgba(230, 81, 0, 0.15);
}

/* Motivation Quote */
.motivation-card {
  background: linear-gradient(135deg, var(--bg-dark), #0a1a10);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  color: white;
  text-align: center;
  margin-bottom: var(--space-lg);
}

.motivation-card__quote {
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.6;
  margin-bottom: var(--space-md);
  color: rgba(255,255,255,0.9);
}

.motivation-card__author {
  font-size: 0.85rem;
  color: var(--primary-light);
  font-family: var(--font-heading);
  font-weight: 600;
}

/* Animations for game */
@keyframes pulse-correct {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Responsive dashboard enhanced */
@media (max-width: 1024px) {
  .dash-grid {
    grid-template-columns: 1fr;
  }
  
  .dash-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .dash-stats {
    grid-template-columns: 1fr 1fr;
  }
  
  .dash-welcome {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  
  .game__options {
    grid-template-columns: 1fr;
  }
  
  .cal-tracker__macros {
    gap: var(--space-md);
  }
  
  .add-meal-form {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .dash-stats {
    grid-template-columns: 1fr;
  }
  
  .water-tracker__glasses {
    gap: 4px;
  }
  
  .water-glass {
    width: 36px;
    height: 48px;
  }
}