/* ===========================
   Kingstreet Residences — Style
   =========================== */

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

:root {
  --white: #FFFFFF;
  --off-white: #F8FAFB;
  --light-gray: #F0F2F5;
  --navy: #0A1628;
  --navy-light: #0F172A;
  --blue: #1A73E8;
  --blue-dark: #1557B0;
  --gold: #C9A96E;
  --gold-light: #D4BC8A;
  --gold-dark: #A8895E;
  --charcoal: #2D3436;
  --text: #333333;
  --text-light: #666666;
  --border: #E8ECF0;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --nav-height: 72px;
  --container-width: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--dark { background: var(--navy); color: var(--white); }
.section--gray { background: var(--off-white); }

/* --- Section Headers --- */
.section__label { display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.section__title { font-family: var(--font-serif); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; color: var(--charcoal); line-height: 1.2; margin-bottom: 16px; }
.section__desc { font-size: 1.05rem; color: var(--text-light); max-width: 600px; line-height: 1.7; }
.section--dark .section__title { color: var(--white); }
.section--dark .section__desc { color: rgba(255,255,255,0.7); }

/* --- Navigation --- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); height: var(--nav-height); display: flex; align-items: center; }
.nav__inner { display: flex; align-items: center; justify-content: space-between; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; width: 100%; }
.nav__logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.1rem; color: var(--navy); letter-spacing: 0.5px; }
.nav__logo-king { color: var(--navy); }
.nav__logo-res { color: var(--gold); font-weight: 400; }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a { font-size: 0.9rem; font-weight: 500; color: var(--text-light); transition: color var(--transition); }
.nav__links a:hover { color: var(--blue); }
.nav__cta { background: var(--blue); color: var(--white) !important; padding: 10px 24px; border-radius: 6px; font-weight: 600; }
.nav__cta:hover { background: var(--blue-dark); }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--charcoal); margin: 5px 0; transition: var(--transition); }

/* --- Hero --- */
.hero { position: relative; height: 85vh; min-height: 600px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); margin-top: var(--nav-height); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,22,40,0.3) 0%, rgba(10,22,40,0.6) 100%); }
.hero__content { position: relative; z-index: 2; max-width: 800px; padding: 0 24px; }
.hero__label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; }
.hero__title { font-family: var(--font-serif); font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 700; line-height: 1.15; margin-bottom: 20px; }
.hero__desc { font-size: 1.15rem; font-weight: 300; color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 36px; line-height: 1.7; }
.hero__cta { display: inline-flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; border-radius: 6px; font-weight: 600; font-size: 0.95rem; transition: all var(--transition); cursor: pointer; border: none; }
.btn--primary { background: var(--blue); color: var(--white); }
.btn--primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,115,232,0.25); }
.btn--outline { border: 2px solid rgba(255,255,255,0.4); color: var(--white); background: transparent; }
.btn--outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: var(--gold-dark); transform: translateY(-2px); }
.btn--full { width: 100%; }

/* --- Features Bar --- */
.features { padding: 60px 0; background: var(--white); border-bottom: 1px solid var(--border); }
.features__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.features__item { padding: 20px; }
.features__icon { font-size: 2rem; margin-bottom: 12px; }
.features__item h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.features__item p { font-size: 0.85rem; color: var(--text-light); }

/* --- Rates Section --- */
.rates { padding: 100px 0; }
.rates__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 48px; max-width: 800px; margin-left: auto; margin-right: auto; }
.rate-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 48px 32px; text-align: center; transition: all var(--transition); background: var(--white); }
.rate-card:hover { border-color: var(--blue); box-shadow: 0 16px 48px rgba(0,0,0,0.08); transform: translateY(-4px); }
.rate-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; }
.rate-card__price { font-size: 3rem; font-weight: 800; color: var(--blue); margin: 16px 0; }
.rate-card__price span { font-size: 1rem; font-weight: 400; color: var(--text-light); }
.rate-card__features { text-align: left; margin: 24px 0; }
.rate-card__features li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; color: var(--text-light); }
.rate-card__features li:last-child { border: none; }

/* --- Gallery --- */
.gallery__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 48px; }
.gallery__item { position: relative; overflow: hidden; border-radius: var(--radius-sm); aspect-ratio: 4/3; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.gallery__item:hover img { transform: scale(1.05); }
.gallery__item--large { grid-column: span 2; }
.gallery__caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 16px; background: linear-gradient(transparent, rgba(0,0,0,0.6)); color: white; font-size: 0.85rem; opacity: 0; transition: opacity var(--transition); }
.gallery__item:hover .gallery__caption { opacity: 1; }

/* --- Corporate Section --- */
.corporate__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.corporate__benefits { display: grid; gap: 24px; margin-top: 32px; }
.benefit { display: flex; gap: 16px; align-items: flex-start; }
.benefit__icon { font-size: 1.5rem; flex-shrink: 0; width: 48px; height: 48px; background: var(--off-white); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.benefit h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.benefit p { font-size: 0.85rem; color: var(--text-light); }
.corporate__image { border-radius: var(--radius); overflow: hidden; }
.corporate__image img { width: 100%; height: 100%; object-fit: cover; }

/* --- Olympic Hub --- */
.olympic { padding: 100px 0; background: var(--navy); color: var(--white); text-align: center; }
.olympic .section__label { color: var(--gold); }
.olympic .section__title { color: var(--white); }
.olympic__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; max-width: 1000px; margin-left: auto; margin-right: auto; }
.olympic__card { background: rgba(255,255,255,0.05); padding: 32px; border-radius: var(--radius-sm); border-left: 4px solid var(--gold); text-align: left; transition: all var(--transition); }
.olympic__card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.olympic__card:nth-child(2) { border-color: var(--blue); }
.olympic__card:nth-child(3) { border-color: #34a853; }
.olympic__card h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.olympic__card p { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.olympic__stats { display: flex; justify-content: center; gap: 64px; margin-top: 48px; }
.olympic__stat-num { font-size: 2.5rem; font-weight: 800; color: var(--gold); }
.olympic__stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px; }

/* --- Amenities --- */
.amenities__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.amenity-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 28px 20px; text-align: center; transition: all var(--transition); }
.amenity-card:hover { border-color: var(--blue); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.amenity-card__icon { font-size: 1.5rem; margin-bottom: 12px; }
.amenity-card h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 4px; }
.amenity-card p { font-size: 0.8rem; color: var(--text-light); }

/* --- Location --- */
.location__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 48px; }
.location__map { border-radius: var(--radius); overflow: hidden; min-height: 400px; background: var(--light-gray); display: flex; align-items: center; justify-content: center; color: var(--text-light); }
.location__highlights { display: grid; gap: 20px; }
.location__item { padding: 20px; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.location__item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.location__item p { font-size: 0.85rem; color: var(--text-light); }

/* --- Contact --- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 48px; }
.contact__details { display: grid; gap: 24px; }
.contact__item { display: flex; gap: 16px; align-items: flex-start; }
.contact__item span { font-size: 1.5rem; }
.contact__item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.contact__item p { font-size: 0.9rem; color: var(--text-light); }
.contact__form { background: var(--off-white); padding: 40px; border-radius: var(--radius); }
.contact__form h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; font-size: 0.9rem; transition: border-color var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,115,232,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* --- Footer --- */
.footer { background: var(--navy); color: rgba(255,255,255,0.6); padding: 64px 0 32px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer__brand p { margin-top: 12px; font-size: 0.85rem; line-height: 1.6; }
.footer h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 16px; }
.footer a { font-size: 0.85rem; display: block; padding: 4px 0; }
.footer a:hover { color: var(--gold); }
.footer__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; font-size: 0.8rem; }

/* --- Responsive --- */
/* --- Scroll Reveal --- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.revealed { opacity: 1; transform: translateY(0); }

/* --- Rate Card Image --- */
.rate-card__image { width: 100%; height: 220px; overflow: hidden; border-radius: 12px; margin-bottom: 20px; }
.rate-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.rate-card:hover .rate-card__image img { transform: scale(1.05); }

/* --- Rate Card Slider --- */
.rate-card__slider { position: relative; width: 100%; height: 240px; overflow: hidden; border-radius: 12px; margin-bottom: 20px; }
.rate-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.4s ease; }
.rate-slide.active { opacity: 1; }
.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.5); color: #fff; border: none; font-size: 24px; padding: 8px 14px; cursor: pointer; border-radius: 50%; z-index: 2; }
.slider-prev { left: 10px; }
.slider-next { right: 10px; }
.slide-counter { position: absolute; bottom: 10px; right: 14px; background: rgba(0,0,0,0.6); color: #fff; padding: 4px 10px; border-radius: 12px; font-size: 12px; z-index: 2; }

@media (max-width: 768px) {
  .nav__links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: white; flex-direction: column; padding: 24px; border-bottom: 1px solid var(--border); gap: 16px; }
  .nav__links.active { display: flex; }
  .nav__toggle { display: block; }
  .hero { height: 70vh; min-height: 500px; }
  .hero__title { font-size: 2rem; }
  .features__grid { grid-template-columns: 2fr 2fr; }
  .rates__grid { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: 1fr 1fr; }
  .gallery__item--large { grid-column: span 1; }
  .corporate__grid { grid-template-columns: 1fr; }
  .olympic__grid { grid-template-columns: 1fr; }
  .olympic__stats { flex-direction: column; gap: 24px; }
  .amenities__grid { grid-template-columns: 2fr 2fr; }
  .location__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}