/* =============================================
   Chitna Hostel — Styles
   Palette: Plum (#4A235A) + Amber (#F5A623)
   Fonts: Playfair Display + Inter
   ============================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --plum: #4A235A;
  --plum-dark: #351A45;
  --plum-light: #6B3A7E;
  --plum-muted: #8B5A8E;
  --amber: #F5A623;
  --amber-dark: #D4891A;
  --amber-light: #FFD080;
  --neutral-900: #1A1A2E;
  --neutral-800: #2D2D44;
  --neutral-700: #4A4A5A;
  --neutral-600: #6B6B7B;
  --neutral-400: #9E9EAE;
  --neutral-300: #C4C4CE;
  --neutral-200: #E2E2EA;
  --neutral-100: #F4F4F8;
  --neutral-50: #FAFAFC;
  --white: #FFFFFF;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(74,35,90,0.08);
  --shadow-md: 0 4px 20px rgba(74,35,90,0.12);
  --shadow-lg: 0 8px 40px rgba(74,35,90,0.16);
  --shadow-xl: 0 16px 60px rgba(74,35,90,0.20);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  color: var(--neutral-800);
  background: var(--neutral-50);
  line-height: 1.6;
  -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(--plum);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus {
  top: 16px;
}

/* =============================================
   Header
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 252, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--neutral-200);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--plum);
}
.logo-light { color: var(--white); }
.logo-icon { color: var(--plum); }
.logo-light .logo-icon { color: var(--amber); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--neutral-700);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover {
  color: var(--plum);
  background: rgba(74,35,90,0.06);
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neutral-800);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--plum);
  color: var(--white);
  border-color: var(--plum);
}
.btn-primary:hover {
  background: var(--plum-dark);
  border-color: var(--plum-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--amber);
  color: var(--neutral-900);
  border-color: var(--amber);
}
.btn-accent:hover {
  background: var(--amber-dark);
  border-color: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--plum);
  border-color: var(--white);
}
.btn-full {
  width: 100%;
}

/* =============================================
   Hero
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(74,35,90,0.88) 0%,
    rgba(53,26,69,0.82) 50%,
    rgba(26,26,46,0.78) 100%
  );
  z-index: -1;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.stat-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: transform var(--transition), background var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.15);
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: float 2s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* =============================================
   Section Shared
   ============================================= */
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--plum-muted);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--neutral-900);
  margin-bottom: 20px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--neutral-600);
  line-height: 1.7;
  max-width: 600px;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-subtitle {
  margin: 0 auto;
}

/* =============================================
   About
   ============================================= */
.about {
  padding: 120px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 400px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 160px;
  height: 160px;
  background: var(--amber);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}
.about-content .section-title {
  text-align: left;
}
.about-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--neutral-700);
  margin-bottom: 16px;
}
.about-highlights {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-highlights li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--neutral-800);
}
.about-highlights svg {
  color: var(--amber);
  flex-shrink: 0;
}

/* =============================================
   Rooms
   ============================================= */
.rooms {
  padding: 120px 0;
  background: var(--neutral-50);
}
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.room-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.room-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.room-image {
  overflow: hidden;
  height: 220px;
}
.room-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.room-card:hover .room-image img {
  transform: scale(1.05);
}
.room-body {
  padding: 28px;
}
.room-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
}
.room-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--neutral-600);
  margin-bottom: 20px;
}
.room-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.room-features li {
  font-size: 0.85rem;
  color: var(--neutral-700);
  padding-left: 18px;
  position: relative;
}
.room-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--amber);
  border-radius: 50%;
}

/* =============================================
   Amenities
   ============================================= */
.amenities {
  padding: 120px 0;
  background: var(--white);
}
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.amenity-card {
  padding: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-200);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.amenity-card:hover {
  border-color: var(--plum-muted);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.amenity-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(74,35,90,0.06);
  border-radius: var(--radius-sm);
  color: var(--plum);
  margin-bottom: 20px;
  transition: background var(--transition);
}
.amenity-card:hover .amenity-icon {
  background: var(--plum);
  color: var(--white);
}
.amenity-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
}
.amenity-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--neutral-600);
}

/* =============================================
   Location
   ============================================= */
.location {
  padding: 120px 0;
  background: var(--neutral-50);
}
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.location-content .section-title {
  text-align: left;
}
.location-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--neutral-600);
  margin-bottom: 32px;
}
.location-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}
.location-detail {
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--neutral-200);
}
.detail-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neutral-400);
  margin-bottom: 6px;
}
.detail-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--neutral-800);
}
.location-map img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* =============================================
   Testimonials
   ============================================= */
.testimonials {
  padding: 120px 0;
  background: var(--plum);
}
.testimonials .section-eyebrow {
  color: var(--amber);
}
.testimonials .section-title {
  color: var(--white);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: background var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}
.testimonial-quote {
  color: var(--amber);
  margin-bottom: 20px;
  opacity: 0.7;
}
.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--amber-light);
}

/* =============================================
   CTA / Contact
   ============================================= */
.cta {
  padding: 120px 0;
  background: var(--neutral-50);
}
.cta-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-content {
  padding: 56px 56px 56px 0;
}
.cta-content .section-title {
  text-align: left;
}
.cta-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--neutral-600);
  margin-bottom: 36px;
}
.cta-contact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--neutral-700);
  transition: color var(--transition);
}
.cta-contact-item a {
  color: var(--plum);
  font-weight: 600;
}
.cta-contact-item a:hover {
  color: var(--plum-dark);
  text-decoration: underline;
}
.cta-contact-item svg {
  color: var(--amber);
  flex-shrink: 0;
}
.cta-form-wrap {
  background: var(--neutral-50);
  padding: 56px;
  border-left: 1px solid var(--neutral-200);
}
.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 28px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neutral-600);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--neutral-800);
  background: var(--white);
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--plum);
  box-shadow: 0 0 0 3px rgba(74,35,90,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-400);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-note {
  font-size: 0.8rem;
  color: var(--neutral-400);
  margin-top: 12px;
  text-align: center;
}
.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(74,35,90,0.06);
  border: 1px solid rgba(74,35,90,0.15);
  border-radius: var(--radius-sm);
  color: var(--plum);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 16px;
}
.form-success svg {
  color: var(--amber-dark);
  flex-shrink: 0;
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
  background: var(--neutral-900);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--white);
}
.footer-contact address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-contact a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-contact a:hover {
  color: var(--amber);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* =============================================
   Animations
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .stat-card {
    flex: 1;
    min-width: 140px;
  }
  .rooms-grid,
  .amenities-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid,
  .location-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .cta-card {
    grid-template-columns: 1fr;
  }
  .cta-content {
    padding: 40px 40px 0;
  }
  .cta-form-wrap {
    padding: 40px;
    border-left: none;
    border-top: 1px solid var(--neutral-200);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    padding: 90px 32px 32px;
    transition: right var(--transition);
    z-index: 100;
  }
  .main-nav.open {
    right: 0;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .main-nav a {
    padding: 14px 16px;
    font-size: 1rem;
  }
  .hero {
    padding: 100px 0 80px;
    min-height: auto;
  }
  .hero-card {
    padding: 32px;
  }
  .hero-headline {
    font-size: 1.75rem;
  }
  .hero-stats {
    gap: 12px;
  }
  .stat-card {
    padding: 16px;
  }
  .stat-number {
    font-size: 1.75rem;
  }
  .rooms-grid,
  .amenities-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .location-details {
    grid-template-columns: 1fr;
  }
  .location-map img {
    height: 300px;
  }
  .cta-content {
    padding: 32px 24px 0;
  }
  .cta-form-wrap {
    padding: 32px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .hero-card {
    padding: 24px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .about-image-accent {
    display: none;
  }
}