/* Direction: clean, premium wellness aesthetic — soft cream, white, sage-green. Rounded cards, subtle animations, modern typography. */

:root {
  --color-bg: #FDF8F0;
  --color-bg-alt: #F5EFE6;
  --color-surface: #FFFFFF;
  --color-surface-hover: #FAFAF7;
  --color-text-primary: #1A2A1E;
  --color-text-secondary: #3A4A3E;
  --color-text-muted: #5A6A5E;
  --color-border: #E2E8DF;
  --color-primary: #3A5C2C;
  --color-primary-light: #4A723C;
  --color-primary-dark: #2A4222;
  --color-accent: #D4A853;
  --color-accent-light: #EFCB7A;
  --color-success: #5CA862;
  --color-warning: #E0A84C;
  --color-danger: #C46B6B;
  --color-dashboard-bg: #F9FBF8;
  --shadow-sm: 0 1px 3px rgba(45, 58, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(45, 58, 46, 0.08);
  --shadow-lg: 0 12px 40px rgba(45, 58, 46, 0.10);
  --shadow-xl: 0 20px 60px rgba(45, 58, 46, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font-heading: 'Palatino Linotype', 'Book Antiqua', Palatino, Georgia, serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::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);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* Utility */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  background: rgba(107, 143, 94, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

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

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a:not(.btn) {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:not(.btn):hover {
  color: var(--color-primary);
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  min-height: 48px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(107, 143, 94, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(107, 143, 94, 0.45);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1.05rem;
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(107, 143, 94, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(107, 143, 94, 0.1);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  max-width: 750px;
  margin: 0 auto 24px;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  color: var(--color-primary);
  position: relative;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 8px;
  background: rgba(107, 143, 94, 0.15);
  border-radius: var(--radius-full);
  z-index: -1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero-social-proof .avatars {
  display: flex;
}

.hero-social-proof .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-bg);
  margin-left: -8px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: white;
  font-weight: 700;
}

.hero-social-proof .avatar:first-child {
  margin-left: 0;
}

/* Dashboard */
.dashboard-section {
  padding: 80px 0 100px;
}

.dashboard-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 40px;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.dashboard-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.dashboard-header h3 {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dashboard-header span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.dash-card {
  background: var(--color-dashboard-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.dash-card .dash-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.dash-card .dash-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.dash-card .dash-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.1;
}

.dash-card .dash-change {
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 4px;
}

.dash-card .dash-change.positive { color: var(--color-success); }
.dash-card .dash-change.negative { color: var(--color-danger); }

.dash-card.gut-score {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border: none;
  color: white;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.dash-card.gut-score .dash-label { color: rgba(255,255,255,0.8); }
.dash-card.gut-score .dash-value { color: white; font-size: 3.5rem; }
.dash-card.gut-score .dash-change { color: rgba(255,255,255,0.9); }

.dash-card.gut-score .score-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.dash-card.gut-score .score-ring .score-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.dash-card .bar-container {
  width: 100%;
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-full);
  margin-top: 8px;
  overflow: hidden;
}

.dash-card .bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

/* Features */
.features-section {
  background: var(--color-surface);
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  background: var(--color-bg);
}

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

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(107, 143, 94, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.feature-card h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* How it works */
.how-section {
  padding: 100px 0;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 64px;
  position: relative;
}

.how-steps::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary), var(--color-primary-light));
  opacity: 0.3;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 14px rgba(107, 143, 94, 0.3);
}

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 300px;
  margin: 0 auto;
}

/* Insights */
.insights-section {
  background: var(--color-surface);
  padding: 100px 0;
}

.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}

.insights-visual {
  background: linear-gradient(135deg, var(--color-dashboard-bg), var(--color-bg-alt));
  border-radius: var(--radius-xl);
  padding: 48px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.insight-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.insight-item:hover {
  border-color: var(--color-primary-light);
}

.insight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.insight-text h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.insight-text p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.insights-content h3 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 20px;
}

.insights-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.insight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.tag {
  padding: 6px 14px;
  background: rgba(107, 143, 94, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Analytics */
.analytics-section {
  padding: 100px 0;
  background: var(--color-dashboard-bg);
}

.analytics-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

.analytics-chart {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--color-border);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 200px;
  margin-top: 24px;
  padding-bottom: 32px;
  position: relative;
}

.chart-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: linear-gradient(to top, var(--color-primary), var(--color-primary-light));
  transition: height 1s ease;
  min-height: 4px;
  position: relative;
}

.chart-bar:hover {
  opacity: 0.85;
}

.chart-bar-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.analytics-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.stat-info h5 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.stat-info .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Testimonials */
.testimonials-section {
  background: var(--color-surface);
  padding: 100px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
}

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

.testimonial-stars {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: 16px;
  display: flex;
  gap: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-author-info h5 {
  font-size: 0.95rem;
}

.testimonial-author-info p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* FAQ */
.faq-section {
  padding: 100px 0;
  background: var(--color-dashboard-bg);
}

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item.active {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  font-family: inherit;
  transition: color var(--transition-fast);
}

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

.faq-question .icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: all var(--transition-normal);
  color: var(--color-text-muted);
}

.faq-item.active .faq-question .icon {
  background: var(--color-primary);
  color: white;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Final CTA */
.cta-section {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}

.cta-box h2 {
  color: white;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.cta-box p {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.cta-box .btn-primary {
  background: white;
  color: var(--color-primary-dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.cta-box .btn-primary:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* Footer */
.footer {
  background: var(--color-text-primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: var(--color-primary-light);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer h5 {
  color: white;
  font-size: 0.9rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer ul { list-style: none; }

.footer ul li { margin-bottom: 10px; }

.footer ul a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}

.footer ul a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  font-size: 1.5rem;
  color: var(--color-text-primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-card.gut-score {
    grid-row: span 1;
    grid-column: span 2;
  }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .how-steps { grid-template-columns: 1fr; gap: 40px; }
  .how-steps::before { display: none; }
  .insights-grid { grid-template-columns: 1fr; }
  .analytics-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    gap: 16px;
    z-index: 100;
  }
  .dashboard-grid { grid-template-columns: 1fr; }
  .dash-card.gut-score { grid-column: span 1; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 130px 0 60px; }
  .section { padding: 72px 0; }
  .cta-box { padding: 40px 24px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
}

/* Photos */
.hero-photo {
  display: block;
  width: 100%;
  max-width: 560px;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  margin: 40px auto 0;
  border: 1px solid var(--color-border);
}

.dash-photo {
  display: block;
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
}

.insight-photo {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 4px;
  border: 1px solid var(--color-border);
}

.avatar-photo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-primary-light);
}

@media (max-width: 480px) {
  .hero-photo { height: 240px; }
  .dash-photo { height: 200px; }
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--color-text-primary);
  color: white;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }