/* ============================================================
   PawLenx — Enterprise Pet Care Platform
   Design System & Stylesheet
   Font: Nunito (geometric sans-serif, matching Rover's Circular)
   ============================================================ */

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Brand Colors */
  --color-primary: #38BDF8;
  --color-primary-dark: #0EA5E9;
  --color-primary-light: #E0F2FE;
  --color-primary-50: #F0F9FF;

  --color-secondary: #F59E0B;
  --color-secondary-dark: #D97706;
  --color-secondary-light: #FEF9E7;

  --color-accent: #8B5CF6;
  --color-accent-dark: #7C3AED;
  --color-accent-light: #F3EEFF;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-info: #38BDF8;

  /* Typography */
  --font-primary: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1280px;
  --container-padding: 1.5rem;
  --header-height: 72px;
}

/* ---- 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-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

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

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

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--text-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
  justify-content: center;
  line-height: 1.2;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-text {
  background: transparent;
  color: var(--color-gray-700);
  padding: 0.75rem 1rem;
}

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

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-white);
  font-weight: 800;
}

.btn-white:hover {
  background: transparent;
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

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

.btn-outline-mobile {
  background: transparent;
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-300);
  width: 100%;
}

.btn-lg {
  font-size: var(--text-base);
  padding: 1rem 2rem;
}

.btn-block {
  width: 100%;
}

.btn-search {
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  font-size: var(--text-base);
}

.btn-orange {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-orange:hover {
  background: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

/* ---- Announcement Bar ---- */
.announcement-bar {
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: 0.6rem 0;
  font-size: var(--text-sm);
  text-align: center;
  font-weight: 600;
}

.announcement-bar a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.announcement-bar a:hover {
  color: #4ADEAC;
}

/* ---- Header / Navigation ---- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.main-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--color-gray-900);
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.chevron {
  transition: transform var(--transition-fast);
}

.nav-item.has-dropdown:hover .chevron {
  transform: rotate(180deg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--color-gray-200);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  pointer-events: none;
  min-width: 600px;
  padding: var(--space-6);
}

.nav-item.has-dropdown {
  position: relative;
}

.nav-item.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.dropdown-section h4 {
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-3);
}

.dropdown-section a {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

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

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-content {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-link {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-gray-800);
  border-radius: var(--radius-lg);
}

.mobile-link:hover {
  background: var(--color-gray-50);
  color: var(--color-primary);
}

.mobile-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

/* ---- Hero Section ---- */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.65) 0%,
    rgba(0, 0, 0, 0.40) 50%,
    rgba(0, 0, 0, 0.25) 100%
  );
}

.hero-container {
  position: relative;
  z-index: 1;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
  margin-bottom: var(--space-10);
  font-weight: 500;
  line-height: 1.7;
}

/* Hero Search Box */
.hero-search {
  margin-bottom: var(--space-10);
}

.search-box {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

.search-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-gray-200);
}

.search-tab {
  flex: 1;
  padding: var(--space-4) var(--space-4);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.search-tab.active {
  color: var(--color-primary);
}

.search-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: var(--space-4);
  right: var(--space-4);
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px 3px 0 0;
}

.search-tab:hover:not(.active) {
  color: var(--color-gray-700);
  background: var(--color-gray-50);
}

.search-fields {
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
  gap: var(--space-3);
}

.search-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.search-field label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
}

.search-field input,
.search-field select {
  padding: 0.65rem 0.75rem;
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: var(--color-gray-50);
  transition: all var(--transition-fast);
  font-weight: 600;
}

.search-field input:focus,
.search-field select:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(0, 182, 122, 0.12);
}

.search-field input::placeholder {
  color: var(--color-gray-400);
  font-weight: 500;
}

/* Hero Trust */
.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-item strong {
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-white);
}

.trust-item span {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
}

/* ---- Trusted By Bar ---- */
.trusted-bar {
  background: var(--color-gray-50);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.trusted-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-400);
  text-align: center;
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.trusted-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
  opacity: 0.5;
}

.trusted-logo {
  flex-shrink: 0;
}

/* ---- Section Headers ---- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-16);
}

.section-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-badge--orange {
  background: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

.section-badge--purple {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  color: var(--color-gray-900);
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  line-height: 1.7;
  font-weight: 500;
}

/* ---- Services Section ---- */
.services {
  padding: var(--space-24) 0;
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-gray-300);
}

.service-card-img {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.05);
}

.service-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: 0.3rem 0.75rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 800;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-badge--orange {
  background: var(--color-secondary);
}

.service-badge--purple {
  background: var(--color-accent);
}

.service-card-body {
  padding: var(--space-6);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.service-card--companionship .service-icon {
  background: var(--color-primary-light);
}

.service-card--nutrition .service-icon {
  background: var(--color-secondary-light);
}

.service-card--ai .service-icon {
  background: var(--color-accent-light);
}

.service-card-body h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.service-card-body p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.service-features {
  margin-bottom: var(--space-6);
}

.service-features li {
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  padding-left: 1.5rem;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* ---- How It Works ---- */
.how-it-works {
  padding: var(--space-24) 0;
  background: var(--color-gray-50);
}

.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-4);
}

.step-card {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

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

.step-number {
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--color-primary-light);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.step-icon {
  margin: 0 auto var(--space-6);
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h3 {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.step-card p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
}

.step-connector {
  display: flex;
  align-items: center;
  padding-top: 120px;
  flex-shrink: 0;
}

/* ---- Split Layout (Companionship / Nutrition) ---- */
.companionship-section {
  padding: var(--space-24) 0;
  background: var(--color-white);
}

.nutrition-section {
  padding: var(--space-24) 0;
  background: var(--color-gray-50);
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.split-layout--reverse {
  direction: rtl;
}

.split-layout--reverse > * {
  direction: ltr;
}

.split-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.split-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-2xl);
}

.floating-card {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: floatUp 3s ease-in-out infinite alternate;
}

@keyframes floatUp {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

.floating-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-card strong {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-gray-900);
  display: block;
}

.floating-card span {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  font-weight: 500;
}

.floating-card--nutrition {
  bottom: auto;
  top: var(--space-6);
  right: var(--space-6);
  left: auto;
}

.floating-card-progress {
  flex-shrink: 0;
}

.split-content {
  max-width: 520px;
}

.split-content .section-title {
  margin-bottom: var(--space-4);
}

.split-content .section-desc {
  margin-bottom: var(--space-8);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  background: var(--color-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-item h4 {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.feature-item p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* Nutrition Cards */
.nutrition-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.nutrition-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  transition: all var(--transition-base);
}

.nutrition-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.nutrition-card-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary-light);
  border-radius: var(--radius-lg);
}

.nutrition-card h4 {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.nutrition-card p {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* ---- Stats Section ---- */
.stats-section {
  padding: var(--space-16) 0;
  background: var(--color-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-card {
  text-align: center;
  color: var(--color-white);
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 900;
  display: inline;
  letter-spacing: -0.02em;
}

.stat-suffix {
  font-size: var(--text-2xl);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.7);
  display: inline;
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-2);
}

/* ---- AI Section ---- */
.ai-section {
  padding: var(--space-24) 0;
  background: var(--color-gray-900);
  color: var(--color-white);
}

.ai-section .section-badge--purple {
  background: rgba(139, 92, 246, 0.2);
}

.ai-section .section-title {
  color: var(--color-white);
}

.ai-section .section-desc {
  color: var(--color-gray-400);
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-6);
}

.ai-feature-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.ai-feature-card:hover {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.ai-feature-card--main {
  grid-row: 1 / 3;
  position: relative;
  min-height: 400px;
}

.ai-feature-card--main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.ai-feature-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-8);
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 70%, transparent 100%);
}

.ai-feature-overlay h3 {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}

.ai-feature-overlay p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-6);
  line-height: 1.7;
  max-width: 400px;
}

.ai-feature-body {
  padding: var(--space-8);
}

.ai-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-xl);
  background: rgba(139, 92, 246, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.ai-feature-body h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-3);
}

.ai-feature-body p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.ai-stats {
  display: flex;
  gap: var(--space-8);
}

.ai-stat strong {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--color-accent);
  display: block;
}

.ai-stat span {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  font-weight: 600;
}

/* ---- Testimonials ---- */
.testimonials {
  padding: var(--space-24) 0;
  background: var(--color-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

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

.testimonial-card--featured {
  border-color: var(--color-primary);
  background: var(--color-primary-50);
  position: relative;
}

.testimonial-card--featured::before {
  content: '⭐ Featured Review';
  position: absolute;
  top: -12px;
  left: var(--space-6);
  padding: 0.2rem 0.75rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 800;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.testimonial-stars {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  font-weight: 500;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--color-gray-200);
}

.testimonial-author strong {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-gray-900);
  display: block;
}

.testimonial-author span {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  font-weight: 500;
}

/* ---- Gallery Section ---- */
.gallery-section {
  padding: var(--space-24) 0;
  background: var(--color-gray-50);
}

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

.gallery-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 260px;
  cursor: pointer;
}

.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-sm);
}

/* ---- Pricing Section ---- */
.pricing-section {
  padding: var(--space-24) 0;
  background: var(--color-white);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.pricing-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gray-500);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.pricing-label.active {
  color: var(--color-gray-900);
}

.pricing-save {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-weight: 800;
  margin-left: 0.25rem;
}

.pricing-switch {
  width: 48px;
  height: 28px;
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  position: relative;
  transition: background var(--transition-fast);
  cursor: pointer;
}

.pricing-switch.active {
  background: var(--color-primary);
}

.pricing-switch-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.pricing-switch.active .pricing-switch-knob {
  transform: translateX(20px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

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

.pricing-card--popular {
  border: 2px solid var(--color-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card--popular:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.3rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-card-header h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-1);
}

.pricing-card-header p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.pricing-price {
  margin-bottom: var(--space-8);
}

.price-amount {
  font-size: var(--text-4xl);
  font-weight: 900;
  color: var(--color-gray-900);
  letter-spacing: -0.02em;
}

.price-period {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: 600;
}

.pricing-features {
  text-align: left;
  margin-bottom: var(--space-8);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

/* ---- CTA Section ---- */
.cta-section {
  padding: var(--space-24) 0;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-images {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.cta-img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.3);
}

.cta-img--1 {
  transform: translateX(12px);
}

.cta-img--2 {
  transform: translateX(-12px);
}

.cta-content h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
  font-weight: 500;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.cta-note {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
}

/* ---- About / FAQ Section ---- */
.about-section {
  padding: var(--space-24) 0;
  background: var(--color-gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-content p {
  font-size: var(--text-base);
  color: var(--color-gray-500);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.about-content .section-title {
  margin-bottom: var(--space-6);
}

.about-team {
  display: flex;
  align-items: center;
  gap: -8px;
  margin-top: var(--space-8);
}

.about-team img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--color-white);
  margin-left: -10px;
}

.about-team img:first-child {
  margin-left: 0;
}

.about-team span {
  margin-left: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gray-500);
}

/* FAQ */
.faq-content h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-6);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-gray-400);
}

.faq-item.active .faq-question svg {
  transform: rotate(45deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.8;
}

/* ---- Newsletter ---- */
.newsletter-section {
  padding: var(--space-16) 0;
  background: var(--color-white);
}

.newsletter-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: var(--space-10) var(--space-12);
  background: var(--color-gray-50);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-gray-200);
}

.newsletter-content h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.newsletter-content p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  max-width: 380px;
}

.newsletter-form {
  display: flex;
  gap: var(--space-3);
}

.newsletter-form input {
  padding: 0.8rem 1.2rem;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  width: 280px;
  font-weight: 600;
  font-size: var(--text-sm);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
}

.newsletter-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 182, 122, 0.12);
}

.newsletter-form input::placeholder {
  color: var(--color-gray-400);
}

/* ---- Footer ---- */
.main-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 300px;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.footer-links-group h4 {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links-group a {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
  font-weight: 500;
}

.footer-links-group a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  font-size: var(--text-sm);
}

.footer-bottom p {
  color: var(--color-gray-500);
  font-weight: 500;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  color: var(--color-gray-500);
  font-weight: 500;
  font-size: var(--text-sm);
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ============================================================
   RESPONSIVE STYLES
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    transform: rotate(90deg);
    padding-top: 0;
  }

  .split-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .split-layout--reverse {
    direction: ltr;
  }

  .split-content {
    max-width: 100%;
    order: 1;
  }

  .split-image {
    order: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

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

  .ai-feature-card--main {
    grid-row: auto;
    min-height: 300px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .pricing-card--popular {
    transform: none;
  }

  .pricing-card--popular:hover {
    transform: translateY(-4px);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .newsletter-box {
    flex-direction: column;
    text-align: center;
    padding: var(--space-8);
  }

  .newsletter-content p {
    max-width: 100%;
  }

  .newsletter-form {
    flex-direction: column;
    width: 100%;
  }

  .newsletter-form input {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --container-padding: 1.25rem;
  }

  .nav-links {
    display: none;
  }

  .nav-actions {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero {
    min-height: 580px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .search-fields {
    flex-direction: column;
  }

  .search-field {
    width: 100%;
  }

  .hero-trust {
    flex-direction: column;
    gap: var(--space-4);
  }

  .trust-divider {
    width: 40px;
    height: 1px;
  }

  .trusted-logos {
    gap: var(--space-6);
  }

  .section-title {
    font-size: 1.75rem;
  }

  .services {
    padding: var(--space-16) 0;
  }

  .how-it-works {
    padding: var(--space-16) 0;
  }

  .companionship-section,
  .nutrition-section {
    padding: var(--space-16) 0;
  }

  .split-image img {
    height: 300px;
  }

  .ai-section {
    padding: var(--space-16) 0;
  }

  .testimonials {
    padding: var(--space-16) 0;
  }

  .gallery-section {
    padding: var(--space-16) 0;
  }

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

  .gallery-item--wide {
    grid-column: span 1;
  }

  .gallery-item {
    height: 200px;
  }

  .pricing-section {
    padding: var(--space-16) 0;
  }

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

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

  .cta-section {
    padding: var(--space-16) 0;
  }

  .about-section {
    padding: var(--space-16) 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .search-tabs {
    flex-direction: column;
    border-bottom: none;
  }

  .search-tab {
    border-bottom: 1px solid var(--color-gray-200);
  }

  .search-tab.active::after {
    display: none;
  }

  .search-tab.active {
    background: var(--color-primary-50);
  }

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

  .stat-number {
    font-size: var(--text-2xl);
  }
}

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

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

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

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