/* ========================================
   123 Learn With Me Preschool
   Clean Minimalist Style Sheet
   Charcoal + Coral Palette
   ======================================== */

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

:root {
  --charcoal-900: #1a1d23;
  --charcoal-800: #2d3139;
  --charcoal-700: #374151;
  --charcoal-600: #4b5563;
  --charcoal-500: #6b7280;
  --charcoal-400: #9ca3af;
  --charcoal-300: #d1d5db;
  --charcoal-200: #e5e7eb;
  --charcoal-100: #f3f4f6;
  --charcoal-50: #f9fafb;
  --coral-600: #e8554a;
  --coral-500: #F97066;
  --coral-400: #fb9289;
  --coral-300: #fda49b;
  --coral-200: #fed7d4;
  --coral-100: #ffefee;
  --coral-50: #fff5f4;
  --white: #ffffff;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-med: 0.35s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--charcoal-800);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--charcoal-900);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 200;
  font-size: 0.875rem;
}
.skip-link:focus {
  top: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--coral-500);
  color: var(--white);
  border-color: var(--coral-500);
}
.btn-primary:hover {
  background: var(--coral-600);
  border-color: var(--coral-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(249, 112, 102, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.8125rem;
}

.btn-full {
  width: 100%;
}

/* ---------- Typography ---------- */
.section-eyebrow {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral-500);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.2;
  color: var(--charcoal-900);
  margin-bottom: 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--charcoal-200);
  transition: box-shadow var(--transition-fast);
}
.site-header.scrolled {
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-sans);
}
.logo-mark {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--coral-500);
  letter-spacing: -0.02em;
}
.logo-wordmark {
  font-weight: 400;
  font-size: 1rem;
  color: var(--charcoal-800);
  letter-spacing: -0.01em;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}
.primary-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--charcoal-600);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
  position: relative;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--coral-500);
  transition: width var(--transition-fast);
}
.primary-nav a:hover {
  color: var(--charcoal-900);
}
.primary-nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger {
  display: block;
  width: 20px;
  height: 14px;
  position: relative;
}
.hamburger::before,
.hamburger::after,
.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--charcoal-700);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: all var(--transition-fast);
}
.hamburger::before { top: 0; }
.hamburger span { top: 50%; transform: translateY(-50%); }
.hamburger::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
  top: 50%;
}
.nav-toggle[aria-expanded="true"] .hamburger span {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
  bottom: 50%;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--charcoal-900);
  overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(249,112,102,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(249,112,102,0.08) 0%, transparent 50%),
    var(--charcoal-900);
  z-index: 0;
}
.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 780px;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral-400);
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.1875rem);
  line-height: 1.7;
  color: var(--charcoal-400);
  max-width: 600px;
  margin: 0 auto 44px;
  font-weight: 300;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--charcoal-500);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: float 2.4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- About ---------- */
.about {
  padding: 120px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-content .section-title {
  margin-bottom: 20px;
}
.about-content p {
  color: var(--charcoal-600);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--charcoal-200);
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-number {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 2rem;
  color: var(--charcoal-900);
  line-height: 1;
}
.stat-label {
  font-size: 0.8125rem;
  color: var(--charcoal-500);
  letter-spacing: 0.02em;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--charcoal-300);
}

/* ---------- Programs ---------- */
.programs {
  padding: 120px 0;
  background: var(--charcoal-50);
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-header .section-title {
  margin-bottom: 16px;
}
.program-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.program-card {
  background: var(--white);
  border: 1px solid var(--charcoal-200);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition-med);
}
.program-card:hover {
  border-color: var(--coral-300);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}
.program-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--coral-50);
  color: var(--coral-500);
  margin-bottom: 24px;
}
.program-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.3125rem;
  color: var(--charcoal-900);
  margin-bottom: 12px;
  line-height: 1.3;
}
.program-body {
  font-size: 0.9375rem;
  color: var(--charcoal-600);
  line-height: 1.7;
  margin-bottom: 24px;
}
.program-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.program-features li {
  font-size: 0.875rem;
  color: var(--charcoal-700);
  padding-left: 20px;
  position: relative;
}
.program-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral-400);
}

/* ---------- Approach ---------- */
.approach {
  padding: 120px 0;
  background: var(--white);
}
.approach-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.approach-content .section-title {
  margin-bottom: 20px;
}
.approach-content > p {
  color: var(--charcoal-600);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 48px;
}
.approach-pillars {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.pillar {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
}
.pillar-number {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--coral-400);
  padding-top: 2px;
}
.pillar-title {
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--charcoal-900);
  margin-bottom: 6px;
}
.pillar p {
  font-size: 0.9375rem;
  color: var(--charcoal-600);
  line-height: 1.7;
}
.approach-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ---------- Gallery ---------- */
.gallery {
  padding: 120px 0;
  background: var(--charcoal-50);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 7/5;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-med);
}
.gallery-item:hover img {
  transform: scale(1.04);
}

/* ---------- Contact ---------- */
.contact {
  padding: 120px 0;
  background: var(--white);
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info .section-title {
  margin-bottom: 16px;
}
.contact-intro {
  font-size: 1rem;
  color: var(--charcoal-600);
  line-height: 1.75;
  margin-bottom: 40px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}
.contact-detail-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal-500);
  margin-bottom: 4px;
}
.contact-detail-value {
  font-size: 1rem;
  color: var(--charcoal-800);
  line-height: 1.6;
}
.contact-detail-value a {
  color: var(--charcoal-800);
  transition: color var(--transition-fast);
}
.contact-detail-value a:hover {
  color: var(--coral-500);
}
.contact-hours {
  padding: 24px 0;
  border-top: 1px solid var(--charcoal-200);
}
.contact-hours-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal-500);
  margin-bottom: 12px;
}
.contact-hours p {
  font-size: 0.9375rem;
  color: var(--charcoal-600);
  line-height: 1.7;
}

/* ---------- Form ---------- */
.contact-form-wrap {
  background: var(--charcoal-50);
  border: 1px solid var(--charcoal-200);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.375rem;
  color: var(--charcoal-900);
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--charcoal-700);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--charcoal-900);
  background: var(--white);
  border: 1px solid var(--charcoal-300);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--transition-fast);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--coral-400);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--charcoal-400);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-note {
  font-size: 0.8125rem;
  color: var(--charcoal-500);
  margin-top: 12px;
  text-align: center;
}
.form-success {
  text-align: center;
  padding: 48px 24px;
}
.form-success svg {
  color: var(--coral-500);
  margin-bottom: 20px;
}
.form-success-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--charcoal-900);
  margin-bottom: 12px;
}
.form-success p {
  font-size: 1rem;
  color: var(--charcoal-600);
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal-900);
  color: var(--charcoal-400);
  padding: 72px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  color: var(--coral-400);
}
.footer-brand .logo-wordmark {
  color: var(--white);
}
.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--charcoal-500);
  max-width: 280px;
}
.footer-nav-title {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal-400);
  margin-bottom: 20px;
}
.footer-top ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-top a {
  font-size: 0.9375rem;
  color: var(--charcoal-500);
  transition: color var(--transition-fast);
}
.footer-top a:hover {
  color: var(--coral-400);
}
.footer-contact p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 4px;
}
.footer-contact a {
  color: var(--charcoal-500);
  transition: color var(--transition-fast);
}
.footer-contact a:hover {
  color: var(--coral-400);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.8125rem;
  color: var(--charcoal-600);
}

/* ---------- Scroll Reveal (below fold only) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
  html { scroll-behavior: auto; }
  .hero-scroll { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-grid,
  .approach-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image,
  .approach-image {
    order: -1;
  }
  .about-image img,
  .approach-image img {
    height: 400px;
    width: 100%;
  }
  .program-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    z-index: 110;
  }
  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--white);
    border-left: 1px solid var(--charcoal-200);
    padding: 96px 32px 40px;
    transform: translateX(100%);
    transition: transform var(--transition-med);
    z-index: 105;
  }
  .primary-nav.open {
    transform: translateX(0);
  }
  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .primary-nav a {
    font-size: 1rem;
  }
  .primary-nav .btn {
    margin-top: 8px;
  }
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 100;
  }
  .nav-overlay.active {
    display: block;
  }
  .hero {
    padding: 100px 24px 80px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .about-stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  .stat-divider {
    display: none;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .contact-form-wrap {
    padding: 28px;
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .about, .programs, .approach, .gallery, .contact {
    padding: 80px 0;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item {
    aspect-ratio: 4/3;
  }
}