:root {
    --bg-color: #0B0B0C;
    --surface-color: #131416;
    --surface-light: #1C1E22;
    --text-color: #F9F9FB;
    --muted-color: #8E929A;
    --accent-color: #C5A880;
    --accent-hover: #B3966E;
    --border-color: rgba(197, 168, 128, 0.15);
    --border-light: rgba(255, 255, 255, 0.08);
    --font-main: 'Manrope', sans-serif;
    --font-title: 'Playfair Display', serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    overflow-x: hidden;
    font-size: 16px;
    line-height: 1.6;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--surface-light);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Typography */
h1, h2, h3, h4, .font-serif {
    font-family: var(--font-title);
    font-weight: 400;
    letter-spacing: -0.02em;
}

p {
    font-weight: 300;
}

/* Reveal Animations Class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* UI Elements & Buttons */
.btn-premium {
    background-color: var(--accent-color);
    color: #000000;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 15px 35px;
    border-radius: 12px;
    border: 1px solid var(--accent-color);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.btn-premium:hover, .btn-premium:focus {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(197, 168, 128, 0.2);
}

.btn-outline-premium {
    background-color: transparent;
    color: var(--text-color);
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 15px 35px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}
.btn-outline-premium:hover, .btn-outline-premium:focus {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: rgba(197, 168, 128, 0.03);
    transform: translateY(-2px);
}

/* Fixed Navigation */
.navbar-premium {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1050;
    padding: 20px 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}
.navbar-premium.scrolled {
    background-color: rgba(11, 11, 12, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
}
.nav-logo-text {
    font-family: var(--font-title);
    font-size: 20px;
    color: var(--text-color) !important;
    text-decoration: none;
    letter-spacing: 0.05em;
}
.nav-logo-sub {
    font-size: 9px;
    font-family: var(--font-main);
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    display: block;
    margin-top: -2px;
}
.nav-link-premium {
    color: var(--text-color);
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    margin: 0 15px;
    transition: var(--transition-smooth);
    opacity: 0.8;
}
.nav-link-premium:hover {
    color: var(--accent-color);
    opacity: 1;
}
.nav-phone {
    color: var(--text-color);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: var(--transition-smooth);
}
.nav-phone:hover {
    color: var(--accent-color);
}

/* Mobile Menu */
.menu-toggle {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    display: none;
    cursor: pointer;
}
.mobile-nav-container {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--surface-color);
    z-index: 1060;
    transition: var(--transition-smooth);
    padding: 40px;
    display: block;
}
.mobile-nav-container.active {
    right: 0;
}
.mobile-nav-close {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 30px;
    float: right;
    cursor: pointer;
}
.mobile-links {
    display: block;
    margin-top: 80px;
}
.mobile-link-item {
    display: block;
    color: var(--text-color);
    font-family: var(--font-title);
    font-size: 28px;
    text-decoration: none;
    margin-bottom: 25px;
    transition: var(--transition-smooth);
}
.mobile-link-item:hover {
    color: var(--accent-color);
    padding-left: 10px;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    position: relative;
    background: linear-gradient(180deg, rgba(11,11,12,0.6) 0%, rgba(11,11,12,0.95) 100%), 
                url('assets/upside-mosfilm.webp') center center no-repeat;
    background-size: cover;
    display: block;
    padding-top: 160px;
    padding-bottom: 80px;
}
.hero-badge {
    border: 1px solid var(--border-color);
    background-color: rgba(197, 168, 128, 0.05);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: inline-block;
    margin-bottom: 25px;
}
.hero-title {
    font-size: calc(28px + 2.5vw);
    line-height: 1.15;
    margin-bottom: 25px;
}
.hero-title span {
    color: var(--accent-color);
    font-style: italic;
}
.hero-descr {
    font-size: 18px;
    color: var(--muted-color);
    max-width: 540px;
    margin-bottom: 40px;
}
.hero-tag-box {
    border-left: 2px solid var(--accent-color);
    padding-left: 20px;
    margin-bottom: 20px;
}
.hero-tag-num {
    font-family: var(--font-title);
    font-size: 24px;
    color: var(--text-color);
    line-height: 1;
}
.hero-tag-txt {
    font-size: 12px;
    color: var(--muted-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* Section Global Settings */
.section-padding {
    padding: 120px 0;
}
.section-title-tag {
    color: var(--accent-color);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 15px;
}
.section-title {
    font-size: calc(24px + 1.2vw);
    margin-bottom: 50px;
}
.section-title span {
    font-style: italic;
    color: var(--accent-color);
}

/* Advantages Card */
.adv-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 40px;
    height: 100%;
    transition: var(--transition-smooth);
    position: relative;
}
.adv-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-color);
    background-color: var(--surface-light);
}
.adv-icon {
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 25px;
    display: inline-block;
}
.adv-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    font-family: var(--font-main);
    font-weight: 500;
}
.adv-card p {
    font-size: 14px;
    color: var(--muted-color);
    margin-bottom: 0;
}

/* About Block Style */
.about-img-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-light);
}
.about-img {
    width: 100%;
    height: auto;
    transition: var(--transition-smooth);
}
.about-img-wrapper:hover .about-img {
    transform: scale(1.03);
}
.about-accent-box {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 16px;
    margin-top: 30px;
}

/* Interactive Gallery */
.gallery-nav-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    margin-right: 10px;
    margin-bottom: 10px;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.gallery-nav-btn.active, .gallery-nav-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #000000;
}
.gallery-item-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 30px;
    height: 380px;
    border: 1px solid var(--border-light);
}
.gallery-bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}
.gallery-item-wrapper:hover .gallery-bg {
    transform: scale(1.06);
}
.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(0deg, rgba(11,11,12,0.95) 0%, rgba(11,11,12,0) 100%);
}
.gallery-title {
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 18px;
    margin-bottom: 5px;
}
.gallery-subtitle {
    font-size: 13px;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Layouts Section */
.layout-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: var(--transition-smooth);
    height: 100%;
}
.layout-card:hover {
    border-color: var(--border-color);
    transform: translateY(-5px);
}
.layout-img-box {
    background-color: rgba(255,255,255,0.02);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.04);
}
.layout-placeholder-svg {
    stroke: var(--accent-color);
    opacity: 0.4;
    max-width: 140px;
    max-height: 140px;
}
.layout-info-title {
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 8px;
}
.layout-param-list {
    font-size: 14px;
    color: var(--muted-color);
    margin-bottom: 25px;
    list-style: none;
    padding-left: 0;
}
.layout-param-list li {
    margin-bottom: 6px;
}

/* Infrastructure list */
.infra-box {
    background-color: var(--surface-color);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    height: 100%;
}
.infra-content {
    padding: 40px;
}
.infra-list-item {
    display: block;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
}
.infra-list-item:last-child {
    border-bottom: none;
}
.infra-num {
    color: var(--accent-color);
    font-family: var(--font-title);
    font-size: 20px;
    margin-right: 15px;
}

/* Purchase Conditions Block */
.cond-card {
    background: linear-gradient(135deg, var(--surface-color) 0%, var(--surface-light) 100%);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 45px;
    height: 100%;
    position: relative;
}
.cond-accent-border {
    position: absolute;
    top: 0;
    left: 40px;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}
.cond-title {
    font-family: var(--font-title);
    font-size: 26px;
    margin-bottom: 20px;
}
.cond-value {
    font-size: 36px;
    color: var(--accent-color);
    font-family: var(--font-main);
    font-weight: 700;
    margin-bottom: 15px;
}

/* Bottom CTA Panel Overlay */
.cta-block-panel {
    background: linear-gradient(90deg, rgba(19,20,22,0.95) 0%, rgba(28,30,34,0.95) 100%),
                url('assets/upside-mosfilm.webp') center center no-repeat;
    background-size: cover;
    border-radius: 24px;
    padding: 60px;
    border: 1px solid var(--border-color);
}

/* Map Block */
.map-container {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    height: 450px;
    position: relative;
    background-color: var(--surface-color);
}
.map-fallback-graphic {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #1C1E22 0%, #0B0B0C 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
}

/* Forms Styling */
.form-group-premium {
    margin-bottom: 20px;
    position: relative;
}
.form-control-premium {
    background-color: rgba(255,255,255,0.03);
    border: 1px solid var(--border-light);
    color: var(--text-color) !important;
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 15px;
    transition: var(--transition-smooth);
    width: 100%;
}
.form-control-premium:focus {
    background-color: rgba(255,255,255,0.05);
    border-color: var(--accent-color);
    box-shadow: none;
    outline: none;
}
.form-control-premium::placeholder {
    color: var(--muted-color);
    opacity: 0.6;
}
.form-label-sub {
    font-size: 11px;
    color: var(--muted-color);
    margin-top: 10px;
    display: block;
    line-height: 1.4;
}

/* Modals Glassmorphism */
.modal-premium .modal-content {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 30px;
}
.modal-premium .modal-header {
    border-bottom: none;
    padding-bottom: 0;
}
.modal-premium .btn-close-custom {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 22px;
    opacity: 0.7;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.modal-premium .btn-close-custom:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* Notification Alert */
.alert-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--surface-light);
    border: 1px solid var(--border-color);
    padding: 20px 30px;
    border-radius: 12px;
    z-index: 2000;
    display: none;
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    max-width: 380px;
}

/* Responsive Breakpoints Rules */
@media (max-width: 1024px) {
    .section-padding { padding: 90px 0; }
    .hero-section { padding-top: 140px; }
}
@media (max-width: 768px) {
    .nav-links-desktop, .nav-btn-desktop { display: none !important; }
    .menu-toggle { display: block; }
    .section-padding { padding: 70px 0; }
    .cta-block-panel { padding: 40px 25px; }
    .cond-card { padding: 30px; }
    .adv-card { padding: 30px; }
}
@media (max-width: 360px) {
    body { font-size: 15px; }
    .hero-badge { font-size: 10px; }
    .btn-premium { padding: 12px 25px; }
}
/* Новые стили для карточек преимуществ с изображениями */
.adv-card-premium-img {
    padding: 0 !important;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--surface-color, #111112);
    border: 1px solid var(--border-light, rgba(255,255,255,0.08));
    border-radius: 16px;
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.adv-card-premium-img:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color, #c5a47e);
}

.adv-img-thumb {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.adv-img-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, var(--surface-color, #111112));
}

.adv-card-content {
    padding: 24px;
}

.adv-card-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    font-family: var(--font-main);
}

.adv-card-content p {
    font-size: 14px;
    color: var(--muted-color, #8a8a8f);
    line-height: 1.6;
    margin: 0;
}

/* Стили для Карусели Инфраструктуры */
.premium-carousel-wrapper {
    height: 480px;
    position: relative;
    border: 1px solid var(--border-light, rgba(255,255,255,0.08));
    border-radius: 20px;
    overflow: hidden;
}

.spec-radius {
    border-radius: 20px;
}

.carousel-caption-premium {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px 25px;
    background: linear-gradient(to top, rgba(6,6,7,0.95) 20%, rgba(6,6,7,0.7) 60%, transparent);
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    font-family: var(--font-main);
    letter-spacing: 0.5px;
}

.custom-carousel-btn {
    width: 45px;
    height: 45px;
    background: rgba(6, 6, 7, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    position: absolute;
    opacity: 0.8;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.custom-carousel-btn:hover {
    background: var(--accent-color, #c5a47e);
    border-color: var(--accent-color, #c5a47e);
    opacity: 1;
    color: #000;
}

.carousel-control-prev.custom-carousel-btn { left: 20px; }
.carousel-control-next.custom-carousel-btn { right: 20px; }

/* Связь пунктов списка инфраструктуры со слайдером */
.infra-list-item {
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 12px 16px;
    border-radius: 8px;
}
.infra-list-item:hover, .infra-list-item.active {
    background: rgba(197, 164, 126, 0.08);
}
.infra-list-item.active .infra-num {
    color: var(--accent-color, #c5a47e);
}

/* Стилизация кнопок способов приобретения */
.cond-card {
    position: relative;
    padding: 40px 30px 30px !important;
}

.btn-cond-action-block {
    margin-top: 20px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border-radius: 8px !important;
    transition: all 0.3s ease;
}