:root {
    --primary: #1A365D;
    --accent: #F5E9D9;
    --bg-light: #F8FAFC;
    --text-dark: #1E293B;
    --text-soft: #475569;
    --border: #E2E8F0;
    --white: #FFFFFF;
    --font-main: 'Inter', sans-serif;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.5;
    font-size: 16px;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--space-xl);
    color: var(--primary);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226,232,240,0.5);
    z-index: 1000;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo__text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.header__phone {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.95rem;
}

/* NAVIGATION */
.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav__toggle span {
    width: 100%;
    height: 2px;
    background: var(--primary);
    transition: 0.3s;
}

.nav__list {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    opacity: 0;
    transition: 0.3s ease;
    pointer-events: none;
    z-index: 999;
}

.nav__list.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    font-size: 1.1rem;
}

/* HERO */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, rgba(26,54,93,0.85) 0%, rgba(26,54,93,0.7) 100%),
                url('data:image/svg+xml,<svg width="1600" height="900" viewBox="0 0 1600 900" xmlns="http://www.w3.org/2000/svg"><rect width="1600" height="900" fill="%231A365D"/><circle cx="1200" cy="300" r="200" fill="%23F5E9D9" opacity="0.1"/><circle cx="200" cy="600" r="300" fill="%23F5E9D9" opacity="0.1"/></svg>');
    background-size: cover;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero__inner {
    text-align: center;
    max-width: 900px;
}

.hero__title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    line-height: 1.1;
    text-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.hero__subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* SERVICES */
.services {
    padding: var(--space-2xl) 0;
    background: var(--white);
}

.services__grid {
    display: grid;
    gap: var(--space-xl);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-card__icon {
    margin-bottom: var(--space-md);
}

.service-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.service-card__text {
    color: var(--text-soft);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
    line-height: 1.6;
}

.service-card__list {
    margin-top: var(--space-sm);
    padding-left: var(--space-md);
    list-style: disc;
}

.service-card__list li {
    color: var(--text-soft);
    margin-bottom: var(--space-xs);
    font-size: 0.95rem;
}

/* CASES */
.cases {
    padding: var(--space-2xl) 0;
    background: var(--bg-light);
}

.cases__grid {
    display: grid;
    gap: var(--space-lg);
}

.case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.case-card__image {
    height: 220px;
    overflow: hidden;
}

.case-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.case-card__content {
    padding: var(--space-lg);
}

.case-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
    color: var(--primary);
}

.case-card__service {
    color: var(--text-soft);
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
}

.case-card__result {
    font-size: 1.1rem;
}

.case-card__result strong {
    color: var(--primary);
}

/* CONTACT */
.contact {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--bg-light) 100%);
}

.contact__wrapper {
    display: grid;
    gap: var(--space-2xl);
}

.contact__title {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.contact__subtitle {
    font-size: 1.1rem;
    color: var(--text-soft);
    margin-bottom: var(--space-xl);
}

.contact__details {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.contact__item {
    margin-bottom: var(--space-lg);
}

.contact__item:last-child {
    margin-bottom: 0;
}

.contact__label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-soft);
    margin-bottom: var(--space-xs);
}

.contact__phone {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.contact__tg {
    font-size: 1.2rem;
    color: #0088cc;
    font-weight: 600;
}

/* FORM */
.contact__form {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26,54,93,0.1);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

.btn--primary:hover {
    background: #0F2A44;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--full {
    width: 100%;
}

.form-hint {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: var(--text-soft);
    text-align: center;
}

/* ALERTS */
.alert {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.alert-success {
    background: #DEF7EC;
    color: #03543F;
    border: 1px solid #31C48D;
}

.alert-error {
    background: #FDE8E8;
    color: #9B1C1C;
    border: 1px solid #F98080;
}

/* FOOTER */
.footer {
    padding: var(--space-xl) 0;
    background: var(--primary);
    color: var(--white);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}

.footer__logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.footer__copy {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* MEDIA QUERIES */
@media (min-width: 768px) {
    .section-title { font-size: 2.5rem; }
    .nav__toggle { display: none; }
    .nav__list {
        position: static;
        transform: none;
        opacity: 1;
        pointer-events: auto;
        display: flex;
        gap: var(--space-lg);
        padding: 0;
        box-shadow: none;
        border: none;
        width: auto;
        background: transparent;
    }
    .nav__link {
        padding: 0;
        border: none;
        font-size: 1rem;
    }
    .header__phone { font-size: 1.1rem; }
    .hero__title { font-size: 4rem; }
    .hero__subtitle { font-size: 1.5rem; }
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .cases__grid { grid-template-columns: repeat(2, 1fr); }
    .contact__wrapper { grid-template-columns: 1fr 1.2fr; }
    .footer__inner { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1024px) {
    .services__grid { grid-template-columns: repeat(3, 1fr); }
    .cases__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ANIMATIONS */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.service-card, .case-card, .contact__wrapper {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ----- ИНТЕРАКТИВНАЯ 3D-КАРТА ----- */
.interactive-map {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.map-container {
    position: relative;
    width: 100%;
    height: 500px;
    margin-top: var(--space-xl);
    border-radius: var(--radius-xl);
    background: var(--bg-tertiary);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.map-3d {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #2A5C4A 0%, #1E3B3A 100%);
    transform-style: preserve-3d;
    perspective: 1000px;
}

body.theme-dark .map-3d {
    background: linear-gradient(145deg, #1A3A3A 0%, #0F2A2A 100%);
}

.map-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.map-water {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(180deg, rgba(64, 164, 204, 0.2) 0%, rgba(26, 94, 124, 0.4) 100%);
    pointer-events: none;
}

.map-land {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 40%, rgba(74, 144, 74, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.map-pin {
    position: absolute;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transform: translate(-50%, -50%);
    transition: all var(--transition-base);
    z-index: 10;
}

.map-pin:hover {
    z-index: 100;
    transform: translate(-50%, -50%) scale(1.2);
}

.pin-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border: 3px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 2;
}

.pin-dot--gold {
    background: var(--accent-gold);
}

.pin-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
    opacity: 0.3;
    z-index: 1;
}

.pin-dot--gold + .pin-pulse {
    background: var(--accent-gold);
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    70% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

.pin-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--bg-card);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 101;
}

.map-pin:hover .pin-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-20px);
}

.pin-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.pin-price {
    display: block;
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.pin-status {
    display: inline-block;
    padding: 2px 8px;
    background: var(--success);
    color: white;
    border-radius: 12px;
    font-size: 0.625rem;
    margin-top: 4px;
}

.map-stats {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    gap: var(--space-lg);
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
}

.map-stat {
    text-align: center;
}

.map-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.map-stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    .map-container {
        height: 400px;
    }
    
    .map-stats {
        position: static;
        margin-top: var(--space-lg);
        justify-content: center;
    }
}