/* ========== ОБНУЛЕНИЕ И ПЕРЕМЕННЫЕ ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2b5f8a;
  --primary-dark: #1e4463;
  --accent: #4a9f6e;
  --gray-light: #f8fafc;
  --gray: #5b6f82;
  --dark: #1e2a32;
  --border: #e2e8f0;
  --shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
  --shadow-hover: 0 20px 30px -12px rgba(0,0,0,0.1);
  --radius: 24px;
  --container: 1280px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--dark);
  line-height: 1.5;
  background: #fff;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* ========== КНОПКИ ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 16px;
  transition: 0.25s;
  cursor: pointer;
  border: none;
  background: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(43,95,138,0.2);
}

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

.btn-outline {
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

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

/* ========== ШАПКА ========== */
.header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.03);
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav a {
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover, .nav a.active {
  color: var(--primary);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.burger span {
  width: 28px;
  height: 2px;
  background: var(--dark);
  transition: 0.2s;
}

/* ========== ГЕРОЙ ========== */
.hero {
  background: linear-gradient(135deg, #f0f7f4 0%, #e6f0ec 100%);
  padding: 80px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--primary);
}

.hero-desc {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 32px;
}

.hero-form {
  background: white;
  border-radius: 32px;
  padding: 28px;
  box-shadow: 0 20px 35px -10px rgba(0,0,0,0.1);
}

.hero-form h3 {
  margin-bottom: 16px;
  font-size: 22px;
}

/* ========== ФОРМЫ ========== */
.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 60px;
  font-size: 16px;
  transition: 0.2s;
  font-family: inherit;
}

.form-group textarea {
  border-radius: 20px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43,95,138,0.1);
}

/* ========== КОМПЛЕКТАЦИИ ========== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin: 48px 0;
}

.package-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: 0.3s;
  border: 1px solid var(--border);
}

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

.package-header {
  background: var(--primary);
  color: white;
  padding: 20px;
  text-align: center;
}

.package-header h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.package-price {
  font-size: 32px;
  font-weight: 700;
  margin: 16px 0;
}

.package-availability {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 14px;
}

.package-features {
  padding: 24px;
  list-style: none;
}

.package-features li {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.package-features li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}

/* Галереи внутри комплектаций */
.gallery {
  padding: 0 24px 24px;
}

.gallery h4 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--primary);
}

.gallery-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.gallery-thumbs img {
  width: calc(25% - 8px);
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.2s;
}

.gallery-thumbs img:hover {
  opacity: 0.8;
  transform: scale(1.02);
}

.package-btn {
  margin: 0 24px 24px;
  width: calc(100% - 48px);
}

/* ========== ИПОТЕКА ========== */
.mortgage-banner {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius);
  padding: 40px;
  color: white;
  margin: 48px 0;
  text-align: center;
}

.mortgage-grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.mortgage-item {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  padding: 20px;
  border-radius: 20px;
  min-width: 200px;
}

.mortgage-item strong {
  font-size: 28px;
  display: block;
  margin-bottom: 8px;
}

/* ========== ЛОКАЦИЯ ========== */
.location-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 40px;
  margin: 48px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.location-info h3 {
  font-size: 28px;
  margin-bottom: 16px;
}

.location-features {
  display: flex;
  gap: 24px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.location-features span {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ========== ДИЗАЙН-ПРОЕКТ ========== */
.design-project {
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  margin: 48px 0;
  border: 1px solid var(--border);
}

.design-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

.design-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.design-gallery img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 16px;
  cursor: pointer;
}

.design-desc {
  background: var(--gray-light);
  padding: 24px;
  border-radius: 20px;
}

.design-desc ul {
  list-style: none;
  margin-top: 16px;
}

.design-desc li {
  margin-bottom: 8px;
}

/* ========== ПРОЕКТЫ ========== */
.section-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 16px;
}

.section-sub {
  text-align: center;
  color: var(--gray);
  max-width: 680px;
  margin: 0 auto 48px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.project-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: 0.3s;
  border: 1px solid var(--border);
}

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

.project-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.project-info {
  padding: 20px;
}

.project-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 16px 0 12px;
}

/* ========== ПРЕИМУЩЕСТВА ========== */
.advantages {
  background: var(--gray-light);
  padding: 80px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.advantage-item {
  text-align: center;
  padding: 24px;
}

.adv-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.adv-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

/* ========== ОТЗЫВЫ ========== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.review-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 24px;
}

.review-text {
  font-style: italic;
  margin-bottom: 16px;
  color: var(--dark);
}

.review-author {
  font-weight: 700;
}

/* ========== КАРТА ========== */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 40px 0;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ========== КОНТАКТЫ ========== */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

/* ========== ПОДВАЛ ========== */
.footer {
  background: var(--dark);
  color: #cddfe7;
  padding: 48px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer a {
  color: #cddfe7;
  transition: 0.2s;
}

.footer a:hover {
  color: white;
}

.copyright {
  text-align: center;
  border-top: 1px solid #2f3e48;
  padding-top: 24px;
  font-size: 14px;
}

/* ========== ХЛЕБНЫЕ КРОШКИ ========== */
.breadcrumbs {
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--gray);
}

.breadcrumbs a {
  color: var(--primary);
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* ========== SEO ТЕКСТ ========== */
.seo-text {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 40px;
  margin: 48px 0;
}

.seo-text h2 {
  font-size: 28px;
  margin-bottom: 20px;
}

.seo-text p {
  margin-bottom: 16px;
  color: var(--gray);
  line-height: 1.6;
}

/* ========== ЛАЙТБОКС ========== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.lightbox.active {
  display: flex;
}

.lightbox-img {
  max-width: 90%;
  max-height: 80%;
  object-fit: contain;
}

.close-lightbox {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}

/* ========== АДАПТИВНОСТЬ ========== */
@media (max-width: 1024px) {
  .hero-grid,
  .location-card,
  .design-grid,
  .contacts-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-title {
    font-size: 38px;
  }
}

@media (max-width: 768px) {
  .burger {
    display: flex;
  }
  .nav {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    box-shadow: 0 12px 20px rgba(0,0,0,0.05);
    transform: translateY(-150%);
    opacity: 0;
    transition: 0.3s;
    z-index: 99;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .projects-grid,
  .advantages-grid,
  .reviews-grid,
  .packages-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 28px;
  }
  .mortgage-grid {
    flex-direction: column;
    gap: 16px;
  }
  .location-features {
    flex-direction: column;
    gap: 12px;
  }
  .gallery-thumbs img {
    width: calc(33.33% - 6px);
  }
}


/* ========== МОДАЛЬНОЕ ОКНО ========== */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: white;
  margin: auto;
  padding: 30px;
  border-radius: var(--radius);
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: modalFadeIn 0.3s;
}

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

.modal-close {
  position: absolute;
  right: 20px;
  top: 15px;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  color: var(--gray);
}

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

.modal-content h2 {
  margin-bottom: 10px;
  font-size: 28px;
}

.modal-content p {
  margin-bottom: 20px;
  color: var(--gray);
}

/* Адаптив */
@media (max-width: 768px) {
  .modal-content {
    padding: 20px;
  }
  .modal-content h2 {
    font-size: 24px;
  }
}

/* ========== ЛАЙТБОКС СТРЕЛКИ ========== */
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 40px;
  color: white;
  background: rgba(0,0,0,0.5);
  padding: 12px 18px;
  cursor: pointer;
  user-select: none;
  border-radius: 50%;
  transition: 0.2s;
  z-index: 1001;
  font-weight: bold;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(0,0,0,0.8);
  transform: translateY(-50%) scale(1.05);
}

@media (max-width: 768px) {
  .lightbox-prev,
  .lightbox-next {
    font-size: 30px;
    padding: 8px 12px;
  }
}