/* ============================================
   Banja Vista - Global Styles
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors - Gold/Bronze Theme */
  --color-primary: #9d8b6c;      /* Warm gold/bronze */
  --color-primary-dark: #7a6b52; /* Darker bronze */
  --color-primary-light: #b8a68a; /* Lighter gold */
  
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing (8px base) */
  --spacing-1: 0.5rem;   /* 8px */
  --spacing-2: 1rem;     /* 16px */
  --spacing-3: 1.5rem;   /* 24px */
  --spacing-4: 2rem;     /* 32px */
  --spacing-5: 2.5rem;   /* 40px */
  --spacing-6: 3rem;     /* 48px */
  --spacing-8: 4rem;     /* 64px */
  --spacing-10: 5rem;    /* 80px */
  --spacing-12: 6rem;    /* 96px */
  
  /* Layout */
  --container-max-width: 1280px;
  --container-padding: var(--spacing-2);
  
  /* Breakpoints (for reference in media queries) */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 0.25rem;  /* 4px */
  --radius-base: 0.5rem; /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-full: 9999px;
  
  /* Z-index */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-2);
}

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

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

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* ============================================
   Skip to Content (Accessibility)
   ============================================ */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-2) var(--spacing-3);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-index-tooltip);
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 0;
  outline: 2px solid var(--color-primary-dark);
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-index-fixed);
  background-color: #f5f5f0;
  transition: box-shadow var(--transition-base);
}

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

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-1) 0;
  height: 65px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.logo__image {
  height: 60px;
  width: auto;
  display: block;
  background-color: #f5f5f0 !important;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.logo__text {
  font-size: var(--font-size-2xl);
  font-weight: 400;
  color: var(--color-primary);
  font-family: 'Georgia', 'Times New Roman', serif;
  letter-spacing: 0.5px;
  transition: color var(--transition-fast);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-1);
  z-index: var(--z-index-fixed);
}

.menu-toggle__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-neutral-800);
  transition: all var(--transition-base);
}

.menu-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation */
.nav__list {
  display: flex;
  gap: var(--spacing-4);
  list-style: none;
}

.nav__item {
  margin: 0;
}

.nav__link {
  display: block;
  padding: var(--spacing-1) var(--spacing-2);
  color: var(--color-neutral-700);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--spacing-2);
  right: var(--spacing-2);
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-300);
  padding: var(--spacing-8) 0 var(--spacing-4);
  margin-top: var(--spacing-10);
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-6);
}

.footer__section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.footer__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.footer__text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.footer__links,
.footer__contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.footer__link {
  color: var(--color-neutral-300);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary-light);
}

.footer__link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.footer__bottom {
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-neutral-700);
  text-align: center;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-400);
  margin: 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-base);
}

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

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

.btn:focus {
  outline: 3px solid rgba(14, 165, 233, 0.5);
  outline-offset: 2px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--spacing-8) 0;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__slide--active {
  opacity: 1;
  visibility: visible;
}

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

.hero__image {
  width: 100%;
  height: 100%;
  display: block;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(157, 139, 108, 0.7) 0%,
    rgba(122, 107, 82, 0.6) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-4);
  width: 100%;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-3);
  line-height: var(--line-height-tight);
}

.hero__title--animated {
  opacity: 0;
  animation: heroTextFadeIn 1.2s ease-out 0.3s forwards;
}

.hero__highlight {
  color: var(--color-white);
  position: relative;
  display: inline-block;
}

.hero__highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-white);
  animation: heroUnderline 0.8s ease-out 0.8s both;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-50);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-5);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero__subtitle--animated {
  opacity: 0;
  animation: heroTextFadeIn 1.2s ease-out 0.6s forwards;
}

.hero__cta {
  display: flex;
  gap: var(--spacing-3);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__cta--animated {
  opacity: 0;
  animation: heroTextFadeIn 1.2s ease-out 0.9s forwards;
}

/* Hero Navigation Dots */
.hero__dots {
  position: absolute;
  bottom: var(--spacing-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-2);
  z-index: 10;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.hero__dot:hover {
  background-color: rgba(255, 255, 255, 0.7);
  transform: scale(1.2);
}

.hero__dot--active {
  background-color: var(--color-white);
  width: 32px;
  border-radius: 6px;
}

/* Hero Animations */
@keyframes heroTextFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroUnderline {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* ============================================
   Apartments Section
   ============================================ */
.apartments {
  padding: var(--spacing-10) 0;
  background-color: var(--color-neutral-50);
}

.apartments__header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.apartments__title {
  font-size: var(--font-size-3xl);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.apartments__intro {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-600);
  max-width: 700px;
  margin: 0 auto;
}

.apartments__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

/* Apartment Card */
.apartment-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
  height: 100%;
}

.apartment-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.apartment-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.apartment-card__link:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.apartment-card__image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 66.67%; /* 3:2 aspect ratio */
  overflow: hidden;
  background-color: var(--color-neutral-200);
}

.apartment-card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.apartment-card:hover .apartment-card__image {
  transform: scale(1.05);
}

.apartment-card__badge {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.apartment-card__badge--premium {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.apartment-card__content {
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.apartment-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.apartment-card__description {
  font-size: var(--font-size-base);
  color: var(--color-neutral-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-3);
  flex-grow: 1;
}

.apartment-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-2);
  border-top: 1px solid var(--color-neutral-200);
}

.apartment-card__size {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.apartment-card__arrow {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.apartment-card:hover .apartment-card__arrow {
  transform: translateX(4px);
}

/* ============================================
   Apartment Detail View
   ============================================ */
.apartment-detail {
  padding: var(--spacing-10) 0;
  display: none; /* Hidden by default, shown when URL hash matches */
}

.apartment-detail:target {
  display: block;
}

.apartment-detail__back {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-4);
  transition: color var(--transition-fast);
}

.apartment-detail__back svg {
  width: 20px;
  height: 20px;
}

.apartment-detail__back:hover {
  color: var(--color-primary-dark);
}

.apartment-detail__header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.apartment-detail__title {
  font-size: var(--font-size-4xl);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.apartment-detail__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-600);
}

.apartment-detail__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

/* Floor Plans & Position */
.apartment-detail__plans {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

.plan-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4);
  box-shadow: var(--shadow-base);
}

.plan-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-3);
}

.plan-card__image-wrapper {
  width: 100%;
  background-color: var(--color-neutral-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.plan-card__image {
  width: 100%;
  height: auto;
  display: block;
}

/* Room Breakdown */
.apartment-detail__breakdown {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-base);
}

.breakdown__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-4);
}

.breakdown__table {
  width: 100%;
  border-collapse: collapse;
}

.breakdown__table thead {
  background-color: var(--color-neutral-100);
}

.breakdown__table th {
  padding: var(--spacing-2) var(--spacing-3);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-700);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.breakdown__table td {
  padding: var(--spacing-3);
  border-bottom: 1px solid var(--color-neutral-200);
  color: var(--color-neutral-700);
}

.breakdown__table tbody tr:last-child td {
  border-bottom: none;
}

.breakdown__total {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.breakdown__total td {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  padding: var(--spacing-3);
}

/* Gallery */
.apartment-detail__gallery {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-base);
}

.gallery__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-4);
}

.gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-3);
}

.gallery__item {
  position: relative;
  width: 100%;
  padding-top: 75%; /* 4:3 aspect ratio */
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: none;
  background: none;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.gallery__item:hover {
  transform: scale(1.02);
}

.gallery__item img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: var(--z-index-modal);
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--color-white);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
  z-index: 2;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__close {
  top: var(--spacing-4);
  right: var(--spacing-4);
}

.lightbox__prev {
  left: var(--spacing-4);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: var(--spacing-4);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__close svg,
.lightbox__prev svg,
.lightbox__next svg {
  width: 24px;
  height: 24px;
}

.lightbox__content {
  max-width: 90%;
  max-height: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.lightbox__image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox__counter {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

/* ============================================
   Catalog Download Section
   ============================================ */
.catalog {
  padding: var(--spacing-12) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

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

.catalog::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.catalog__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.catalog__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-4);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.catalog__icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
}

.catalog__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-3);
}

.catalog__description {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-100);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
}

.catalog__features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
  text-align: left;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.catalog__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-base);
  color: var(--color-white);
}

.catalog__feature svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-white);
}

.btn--large {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-lg);
}

.catalog__button {
  margin-bottom: var(--spacing-3);
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.catalog__button:hover {
  background-color: var(--color-neutral-100);
  color: var(--color-primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.catalog__note {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-200);
  margin: 0;
}

/* ============================================
   Info Section & Tabs Component
   ============================================ */
.info {
  padding: var(--spacing-10) 0;
  background-color: var(--color-white);
}

.info__title {
  text-align: center;
  font-size: var(--font-size-4xl);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
}

.info__intro {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-neutral-600);
  max-width: 700px;
  margin: 0 auto var(--spacing-8);
}

/* Tabs Component */
.tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tabs__nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
  border-bottom: 2px solid var(--color-neutral-200);
}

.tabs__button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-neutral-600);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  text-align: left;
  width: 100%;
}

.tabs__button:hover {
  color: var(--color-primary);
  background-color: var(--color-neutral-50);
}

.tabs__button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.tabs__button--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background-color: var(--color-neutral-50);
}

.tabs__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.tabs__content {
  position: relative;
  min-height: 300px;
}

.tabs__panel {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.tabs__panel--active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.tabs__panel h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-3);
}

.tabs__panel p {
  font-size: var(--font-size-base);
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-3);
}

.tabs__panel ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: var(--spacing-3);
}

.tabs__panel li {
  padding: var(--spacing-2) 0;
  padding-left: var(--spacing-4);
  position: relative;
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
}

.tabs__panel li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}

/* Timeline Component */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.timeline__item {
  padding: var(--spacing-3);
  padding-left: var(--spacing-5);
  background-color: var(--color-neutral-50);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-base);
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
}

.timeline__item strong {
  color: var(--color-neutral-900);
  display: block;
  margin-bottom: var(--spacing-1);
}

/* ============================================
   Location Tab Component
   ============================================ */
.location__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.location__info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.location__title {
  font-size: var(--font-size-2xl);
  color: var(--color-neutral-900);
  margin: 0 0 var(--spacing-2) 0;
  font-weight: 700;
}

.location__address {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-base);
  border-left: 4px solid var(--color-primary);
}

.location__icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.location__address-line {
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
}

.location__description {
  font-size: var(--font-size-base);
  color: var(--color-neutral-700);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.location__amenities {
  margin-top: 0;
}

.location__amenities-title {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-900);
  margin: 0 0 var(--spacing-2) 0;
  font-weight: 600;
}

.location__amenities-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.location__amenity {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-2);
  background-color: var(--color-white);
  border-radius: var(--radius-base);
  transition: background-color var(--transition-fast);
}

.location__amenity:hover {
  background-color: var(--color-neutral-50);
}

.location__amenity-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.location__amenity span {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-700);
  line-height: var(--line-height-normal);
}

.location__map-container {
  width: 100%;
}

.location__map-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  background-color: var(--color-neutral-100);
  border-radius: var(--radius-base);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.location__map {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-base);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
  padding: var(--spacing-12) 0;
  background: linear-gradient(135deg, #f5f5f0 0%, #ffffff 100%);
}

.contact__content {
  max-width: 800px;
  margin: 0 auto;
}

.contact__header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.contact__title {
  font-size: var(--font-size-4xl);
  color: var(--color-neutral-900);
  margin-bottom: var(--spacing-2);
  font-weight: 700;
}

.contact__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-600);
  margin: 0;
}

.contact__actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

/* Phone CTA */
.contact__phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-5);
  background-color: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: 12px;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.contact__phone:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.contact__phone:hover .contact__phone-icon {
  color: var(--color-white);
}

.contact__phone:hover .contact__phone-label,
.contact__phone:hover .contact__phone-number {
  color: var(--color-white);
}

.contact__phone:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.contact__phone-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.contact__phone-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.contact__phone-label {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  font-weight: 500;
  transition: color var(--transition-base);
}

.contact__phone-number {
  font-size: var(--font-size-2xl);
  color: var(--color-neutral-900);
  font-weight: 700;
  transition: color var(--transition-base);
}

/* Contact Form Button */
.contact__form-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-5);
  background-color: var(--color-white);
  border: 2px solid var(--color-neutral-300);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  width: 100%;
}

.contact__form-btn:hover {
  background-color: var(--color-neutral-100);
  border-color: var(--color-neutral-400);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.contact__form-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.contact__form-icon {
  width: 48px;
  height: 48px;
  color: var(--color-neutral-600);
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.contact__form-btn:hover .contact__form-icon {
  color: var(--color-neutral-900);
}

.contact__form-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  text-align: left;
}

.contact__form-label {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  font-weight: 500;
}

.contact__form-text {
  font-size: var(--font-size-2xl);
  color: var(--color-neutral-900);
  font-weight: 700;
}

/* Contact Info */
.contact__info {
  text-align: center;
  padding: var(--spacing-4);
  background-color: rgba(157, 139, 108, 0.1);
  border-radius: 8px;
}

.contact__info-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-base);
  color: var(--color-neutral-700);
  margin: 0;
}

.contact__info-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============================================
   Modal & Contact Form
   ============================================ */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-index-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.modal--active {
  display: flex;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-base);
}

.modal__container {
  position: relative;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  background-color: var(--color-white);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: slideUp 0.3s ease-out;
  z-index: 1;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--color-neutral-200);
  background-color: var(--color-neutral-50);
}

.modal__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-neutral-900);
  margin: 0;
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background-color: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  color: var(--color-neutral-600);
}

.modal__close:hover {
  background-color: var(--color-neutral-200);
  color: var(--color-neutral-900);
}

.modal__close:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal__close svg {
  width: 24px;
  height: 24px;
}

.modal__body {
  padding: var(--spacing-6);
  overflow-y: auto;
  max-height: calc(90vh - 100px);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-neutral-900);
}

.form-required {
  color: #dc2626;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-neutral-900);
  background-color: var(--color-white);
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(157, 139, 108, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-neutral-500);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: var(--font-size-sm);
  color: #dc2626;
  display: none;
}

.form-error--visible {
  display: block;
}

.form-input--error,
.form-textarea--error {
  border-color: #dc2626;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-2);
}

.form-submit {
  min-width: 200px;
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  display: none;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-radius: var(--radius-base);
  margin-top: var(--spacing-4);
}

.form-message--visible {
  display: flex;
}

.form-message svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-message p {
  margin: 0;
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

.form-message--success {
  background-color: #dcfce7;
  border: 1px solid #86efac;
  color: #166534;
}

.form-message--success svg {
  color: #16a34a;
}

.form-message--error {
  background-color: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

.form-message--error svg {
  color: #dc2626;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Main Content Sections (Placeholders)
   ============================================ */
section {
  padding: var(--spacing-8) 0;
}

section h2 {
  text-align: center;
  margin-bottom: var(--spacing-4);
}

section p {
  text-align: center;
  color: var(--color-neutral-600);
  max-width: 600px;
  margin: 0 auto var(--spacing-4);
}

/* ============================================
   Responsive Design - Mobile First
   ============================================ */

/* Mobile (< 640px) - Base styles above */

/* Tablet (640px - 1024px) */
@media (min-width: 640px) {
  :root {
    --container-padding: var(--spacing-3);
  }
  
  h1 {
    font-size: var(--font-size-5xl);
  }
  
  .hero__title {
    font-size: var(--font-size-5xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-xl);
  }
  
  .btn {
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-lg);
  }
  
  .apartments__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-5);
  }
  
  .apartment-detail__plans {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }
  
  .catalog__features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tabs__nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .tabs__button {
    flex: 1;
    min-width: 150px;
    justify-content: center;
  }
  
  .contact__actions {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact__title {
    font-size: var(--font-size-5xl);
  }
  
  .location__content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer__content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop (> 1024px) */
@media (min-width: 1024px) {
  :root {
    --container-padding: var(--spacing-4);
  }
  
  .header__content {
    height: 160px;
    padding: var(--spacing-1) 0;
  }
  
  .logo__image {
    height: 150px;
  }
  
  .apartments__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
  }
  
  .footer__content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile Menu (< 1024px) */
@media (max-width: 1023px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-8) var(--spacing-4);
    transition: right var(--transition-base);
    z-index: var(--z-index-fixed);
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .nav__link {
    padding: var(--spacing-2);
    font-size: var(--font-size-lg);
  }
  
  .nav__link::after {
    display: none;
  }
}

/* Focus Visible (for better keyboard navigation) */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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