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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f6f6f6;
  color: #111;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: default;
}

:focus-visible {
  outline: 3px solid #5c4fb5;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--black);
  border-radius: 10px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:root {
  --black: #0a0a0a;
  --dark: #1a1a1a;
  --gray-600: #555;
  --gray-400: #999;
  --gray-200: #d4d4d4;
  --gray-100: #ebebeb;
  --gray-50: #f5f5f5;
  --white: #ffffff;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.10);
  --radius: 20px;
}

a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}

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

/* ---------- canvas (след за мышкой) ---------- */
#cursorCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

#cursorCanvas[hidden] {
  display: none;
}

/* ---------- фон с текстурой ---------- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
    linear-gradient(135deg, #f9f9f9 0%, #efefef 100%);
  z-index: -1;
}

/* ---------- шапка ---------- */
.navbar {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.3px;
  color: var(--black);
  flex-shrink: 0;
}
.logo i {
  font-size: 1.7rem;
  color: var(--black);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu li a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--dark);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
  letter-spacing: -0.2px;
  white-space: nowrap;
}
.nav-menu li a:hover {
  color: var(--black);
  border-bottom-color: var(--black);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-outline {
  border: 1px solid var(--gray-200);
  padding: 8px 18px;
  border-radius: 40px;
  font-weight: 500;
  font-size: 0.85rem;
  background: transparent;
  color: var(--dark);
  transition: 0.2s;
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-600);
}

.btn-primary {
  background: var(--black);
  color: white;
  padding: 8px 22px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  transition: 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary i {
  font-size: 0.8rem;
}
.btn-primary:hover {
  background: var(--dark);
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.burger {
  display: none;
  font-size: 1.6rem;
  background: transparent;
  border: none;
  color: var(--black);
  cursor: pointer;
  padding: 4px 6px;
}
.burger:hover {
  opacity: 0.6;
}

/* ---------- герой ---------- */
.hero {
  padding: 60px 0 48px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.hero-grid {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}
.hero-text {
  flex: 1 1 400px;
}
.hero-text h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--black);
}
.hero-text h1 i {
  color: var(--gray-600);
  font-size: 2.6rem;
}
.hero-text p {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 500px;
  margin-bottom: 24px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-image {
  flex: 1 1 260px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(4px);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow);
}
.hero-image img {
  max-width: 200px;
  height: auto;
  display: block;
}

/* ---------- общие секции ---------- */
.section {
  padding: 60px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  scroll-margin-top: 80px;
}
.section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--black);
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}
.section-title i {
  color: var(--gray-600);
  font-size: 1.7rem;
}

.section-sub {
  color: var(--gray-600);
  margin-bottom: 28px;
  max-width: 680px;
  font-size: 1.02rem;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ===== СЕТКИ ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 4px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 4px;
}

/* ----- КОНТАКТЫ  ----- */
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 4px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.contacts-grid a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: 0.25s;
  box-shadow: var(--shadow);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: var(--shadow-hover);
}
.card i {
  font-size: 2rem;
  color: var(--black);
  margin-bottom: 12px;
  display: inline-block;
}
.card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--black);
}
.card p {
  color: var(--gray-600);
  font-size: 0.92rem;
}
.price {
  margin-top: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--black);
}

.badge {
  display: inline-block;
  background: rgba(0, 0, 0, 0.04);
  color: var(--dark);
  padding: 4px 14px;
  border-radius: 40px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}
.badge i {
  margin-right: 4px;
}
.badge.dark {
  background: var(--black);
  color: white;
  border-color: var(--black);
}

/* инвестор */
.invest-section {
  background: rgba(0, 0, 0, 0.02);
}
.invest-content {
  max-width: 680px;
  margin: 0 auto;
}
.invest-content p {
  font-size: 1.05rem;
  color: var(--dark);
  text-align: center;
}
.invest-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 20px 0 24px;
}
.confidential {
  margin-left: 18px;
  font-size: 0.88rem;
  color: var(--gray-600);
}
.confidential i {
  margin-right: 6px;
}

/* ---------- футер ---------- */
.footer {
  background: var(--black);
  color: #c8c8c8;
  padding: 44px 0 24px;
}
.footer a {
  color: #aaa;
  transition: 0.2s;
}
.footer a:hover {
  color: white;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 60px;
}
.footer-col {
  flex: 1 1 180px;
}
.footer-col h5 {
  color: white;
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.footer-col p {
  color: #aaa;
  max-width: 220px;
  font-size: 0.9rem;
}
.footer-col li {
  margin-bottom: 6px;
}
.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid #2a2a2a;
  margin-top: 24px;
  font-size: 0.85rem;
  color: #888;
}

.gray {
  color: var(--gray-600);
  font-size: 0.88rem;
}

/* ---------- страница 404 ---------- */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.error-card {
  width: min(100%, 520px);
  text-align: center;
  padding: 42px 32px;
}

.error-card > i {
  font-size: 3rem;
  margin-bottom: 18px;
}

.error-card h1 {
  margin-bottom: 8px;
}

.error-card p {
  margin-bottom: 22px;
}

/* ===== МОДАЛЬНОЕ ОКНО ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  padding: 20px;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: #ffffff;
  border-radius: 28px;
  max-width: 520px;
  width: 100%;
  padding: 40px 36px 32px;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
  opacity: 0;
}
.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 2rem;
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  transition: 0.2s;
  line-height: 1;
  padding: 0 4px;
}
.modal-close:hover {
  color: var(--black);
  transform: rotate(90deg);
}

.modal-icon {
  text-align: center;
  font-size: 3.2rem;
  color: var(--black);
  margin-bottom: 8px;
}
.modal-title {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  color: var(--black);
  margin-bottom: 6px;
}
.modal-sub {
  text-align: center;
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.modal-contacts {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}
.modal-contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--gray-50);
  border-radius: 14px;
  border: 1px solid var(--gray-200);
  transition: 0.2s;
}
.modal-contact-item:hover {
  border-color: var(--black);
  background: #f0f0f0;
}
.modal-contact-item i {
  font-size: 1.3rem;
  color: var(--black);
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.modal-contact-item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--gray-600);
  font-weight: 600;
}
.modal-contact-item a {
  font-size: 1rem;
  color: var(--black);
  font-weight: 500;
}
.modal-contact-item a:hover {
  color: var(--gray-600);
}

/* ===== КАРУСЕЛЬ ===== */
.carousel-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow-hover);
  background: var(--black);
}
.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  touch-action: pan-y;
}
.carousel-slide {
  min-width: 100%;
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--gray-100);
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.85);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  transition: 0.25s;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--black);
}
.carousel-btn:hover {
  background: white;
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}
.carousel-btn-prev {
  left: 16px;
}
.carousel-btn-next {
  right: 16px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 16px 0 20px;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}
.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-200);
  border: none;
  cursor: pointer;
  transition: 0.3s;
  padding: 0;
}
.carousel-dot.active {
  background: var(--black);
  transform: scale(1.2);
}
.carousel-dot:hover {
  background: var(--gray-600);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .card:hover,
  .btn-primary:hover {
    transform: none;
  }
}

/* ---------- АДАПТИВ ---------- */
@media (max-width: 992px) {
  .nav-menu {
    gap: 20px;
  }
  .nav-menu li a {
    font-size: 0.85rem;
  }
}

@media (max-width: 820px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 20px 28px 28px;
    gap: 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.04);
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-menu li a {
    font-size: 1rem;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    display: block;
  }
  .burger {
    display: block;
  }
  .nav-actions .btn-outline {
    display: none;
  }
  .hero-text h1 {
    font-size: 2.4rem;
  }
  .hero-grid {
    gap: 30px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .contacts-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 550px;
  }
}

@media (max-width: 768px) {
  .carousel-btn {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  .carousel-btn-prev {
    left: 10px;
  }
  .carousel-btn-next {
    right: 10px;
  }
  .carousel-dots {
    gap: 8px;
    padding: 12px 0 16px;
  }
  .carousel-dot {
    width: 8px;
    height: 8px;
  }
}

@media (max-width: 580px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .grid-4 {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .contacts-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    max-width: 400px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }
  .hero-text h1 {
    font-size: 1.9rem;
  }
  .hero-text h1 i {
    font-size: 1.8rem;
  }
  .hero-text p {
    font-size: 0.95rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .section {
    padding: 40px 0;
  }
  .hero {
    padding: 32px 0 28px;
  }
  .hero-image {
    min-height: 120px;
    padding: 16px;
  }
  .hero-image img {
    max-width: 140px;
  }
  .card {
    padding: 16px 14px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .contacts-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 400px;
  }

  .footer-grid {
    flex-direction: column;
    gap: 24px;
  }
  .navbar .container {
    height: 60px;
  }
  .logo {
    font-size: 1.3rem;
  }
  .logo i {
    font-size: 1.4rem;
  }
  .btn-primary {
    padding: 6px 16px;
    font-size: 0.8rem;
  }
  .btn-primary i {
    font-size: 0.7rem;
  }
  .burger {
    font-size: 1.4rem;
  }
  .nav-menu {
    top: 60px;
    padding: 16px 20px 20px;
  }
  .carousel-slide {
    aspect-ratio: 4 / 3;
  }
  .carousel-btn {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
  }
  .carousel-btn-prev {
    left: 6px;
  }
  .carousel-btn-next {
    right: 6px;
  }
  .modal {
    padding: 28px 20px 24px;
  }
  .modal-title {
    font-size: 1.4rem;
  }
  .modal-icon {
    font-size: 2.4rem;
  }
  .modal-contact-item {
    padding: 12px 14px;
  }
  .modal-contact-item i {
    font-size: 1.1rem;
    width: 22px;
  }
  .modal-contact-item a {
    font-size: 0.9rem;
  }
  .invest-badges {
    gap: 8px;
  }
  .confidential {
    display: block;
    margin-left: 0;
    margin-top: 12px;
  }
}

@media (max-width: 360px) {
  .hero-text h1 {
    font-size: 1.6rem;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
}