/* ============================================
   AiKuleana.com - Main Stylesheet
   "Eat Local. Support Local."
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary palette */
  --green-dark: #1a5c2a;
  --green-primary: #2d8a4e;
  --green-light: #4caf50;
  --green-accent: #a8d5ba;
  --green-pale: #e8f5e9;

  /* Neutrals */
  --black: #0a0a0a;
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #404040;
  --gray-600: #5a5a5a;
  --gray-400: #9e9e9e;
  --gray-200: #e0e0e0;
  --gray-100: #f5f5f5;
  --off-white: #fafaf8;
  --white: #ffffff;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-bg: rgba(255,255,255,0.8);
  --glass-border: rgba(255,255,255,0.3);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--green-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--green-light);
  outline-offset: 2px;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
}

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

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

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

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--gray-600);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-header .accent-line {
  width: 60px;
  height: 3px;
  background: var(--green-primary);
  margin: var(--space-md) auto;
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(45,138,78,0.3);
}

.btn-primary:hover {
  background: var(--green-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45,138,78,0.4);
}

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

.btn-secondary:hover {
  background: var(--green-pale);
  color: var(--green-dark);
  transform: translateY(-2px);
}

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

.btn-outline-white:hover {
  background: var(--white);
  color: var(--green-dark);
  transform: translateY(-2px);
}

/* ---------- Preloader ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

#preloader .loader-ring {
  width: 48px;
  height: 48px;
  border: 4px solid var(--green-pale);
  border-top-color: var(--green-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

#preloader .loader-text {
  margin-top: var(--space-md);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--green-primary);
  font-weight: 600;
}

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

/* CSS safety: auto-hide preloader after 4s */
@keyframes forceHidePreloader {
  0%, 99% { opacity: 1; visibility: visible; }
  100% { opacity: 0; visibility: hidden; }
}

#preloader {
  animation: forceHidePreloader 4s forwards;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  transition: color var(--transition);
  letter-spacing: -0.5px;
}

.navbar.scrolled .nav-logo {
  color: var(--green-dark);
}

.nav-logo span {
  color: var(--green-light);
}

.navbar.scrolled .nav-logo span {
  color: var(--green-primary);
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.navbar.scrolled .nav-links a {
  color: var(--gray-700);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-primary);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.navbar.scrolled .nav-links a:hover {
  color: var(--green-primary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.navbar.scrolled .nav-toggle span {
  background: var(--gray-700);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  position: absolute;
  inset: 0;
  transition: opacity 1.5s ease;
}

.hero-bg img.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.4) 0%,
    rgba(0,0,0,0.3) 50%,
    rgba(0,0,0,0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: 0 var(--space-lg);
}

.hero-content h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  color: var(--white);
  margin-bottom: var(--space-md);
  letter-spacing: -1px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-content h1 .highlight {
  color: var(--green-accent);
}

.hero-content p {
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  margin-bottom: var(--space-xl);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  animation: bounce 2s infinite;
}

.hero-scroll svg {
  width: 28px;
  height: 28px;
  stroke: var(--white);
  opacity: 0.7;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ---------- Featured Restaurants ---------- */
.featured-section {
  background: var(--off-white);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.restaurant-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.restaurant-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.restaurant-card .card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--gray-200);
}

.restaurant-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.restaurant-card .card-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--green-primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.restaurant-card .card-body {
  padding: var(--space-lg);
}

.restaurant-card .card-cuisine {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--green-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

.restaurant-card h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.restaurant-card .card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: var(--space-sm);
}

.restaurant-card .card-meta svg {
  width: 14px;
  height: 14px;
  stroke: var(--gray-400);
  flex-shrink: 0;
}

.restaurant-card .card-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.restaurant-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--gray-100);
}

.restaurant-card .card-price {
  font-weight: 600;
  color: var(--green-primary);
}

.restaurant-card .card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--gray-700);
}

/* ---------- Cuisine Section ---------- */
.cuisine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
}

.cuisine-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.cuisine-card:hover {
  border-color: var(--green-primary);
  background: var(--green-pale);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cuisine-card .cuisine-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.cuisine-card .cuisine-name {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
}

/* ---------- Neighborhood Explorer ---------- */
.neighborhoods-section {
  background: var(--off-white);
}

.neighborhood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.neighborhood-card {
  position: relative;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background: var(--gray-200);
}

.neighborhood-card .neighborhood-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.neighborhood-card:hover .neighborhood-bg {
  transform: scale(1.08);
}

.neighborhood-card .neighborhood-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  transition: background var(--transition);
}

.neighborhood-card:hover .neighborhood-overlay {
  background: linear-gradient(to top, rgba(26,92,42,0.8) 0%, rgba(26,92,42,0.2) 60%);
}

.neighborhood-card h3 {
  color: var(--white);
  font-size: 1.15rem;
}

.neighborhood-card .neighborhood-count {
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  margin-top: 2px;
}

/* ---------- About / Philosophy ---------- */
.about-section {
  background: var(--green-dark);
  color: var(--white);
  text-align: center;
}

.about-section h2 {
  color: var(--white);
}

.about-section p {
  color: rgba(255,255,255,0.85);
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--green-accent);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: 4px;
}

/* ---------- Newsletter ---------- */
.newsletter-section {
  background: var(--green-pale);
  text-align: center;
}

.newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: var(--space-sm);
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  transition: border-color var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--green-primary);
  outline: none;
}

.newsletter-form button {
  padding: 14px 28px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand .footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-md);
  display: block;
}

.footer-brand .footer-logo span {
  color: var(--green-light);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

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

.footer-social a svg {
  width: 18px;
  height: 18px;
  fill: rgba(255,255,255,0.7);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--green-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
  color: var(--green-accent);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Placeholder Images ---------- */
.placeholder-img {
  background: linear-gradient(135deg, var(--green-pale) 0%, var(--gray-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.85rem;
  font-family: var(--font-body);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green-primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 100;
}

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

.back-to-top:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-xl) var(--space-xl);
    gap: var(--space-md);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    color: var(--gray-700) !important;
    font-size: 1rem;
    padding: var(--space-sm) 0;
  }

  .hero-content h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .about-stats {
    gap: var(--space-xl);
  }

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

@media (max-width: 480px) {
  .cuisine-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-bg img {
    transition: none;
  }
}