/* ==============================================
   MILITARY SITE STYLES - ЧЕРНЫЕ ГУСАРЫ
   ============================================== */

/* ROOT VARIABLES */
:root {
    --primary-dark: #1a1a1a;
    --secondary-dark: #2c2c2c;
    --accent-gold: #ffc107;
    --accent-red: #dc3545;
    --military-green: #2d5016;
    --text-light: #f8f9fa;
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    --gradient-gold: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
    --shadow-heavy: 0 10px 30px rgba(0,0,0,0.3);
    --shadow-light: 0 5px 15px rgba(0,0,0,0.1);
    --transition-smooth: all 0.3s ease-in-out;
}

/* GLOBAL STYLES */
* {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Убираем глобальные ограничения ширины */

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.display-3, .display-5 {
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* BUTTONS */
.btn {
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-warning {
    background: var(--gradient-gold);
    border: none;
    color: #000;
    box-shadow: var(--shadow-light);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    color: #000;
}

.btn-outline-light:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* NAVIGATION */
.military-nav {
    background: var(--gradient-dark) !important;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--accent-gold);
    transition: var(--transition-smooth);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-link {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-gold) !important;
}

/* HERO SECTIONS */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: -2;
}

.home-hero-bg {
    background-image: url('/media/3f1c7b127732722850a9331564754a38.jpg');
}

.reb-hero-bg {
    background-image: url('/media/reb/TASS_53555249.jpg');
}

.drones-hero-bg {
    background-image: url('/media/dron/1734458504_tass_72268113.jpg');
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26,26,26,0.8) 0%, rgba(44,44,44,0.6) 100%);
    z-index: -1;
}

.hero-stats .stat-item,
.hero-features .feature-item {
    padding: 1.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,193,7,0.3);
    transition: var(--transition-smooth);
}

.hero-stats .stat-item:hover,
.hero-features .feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255,193,7,0.1);
    border-color: var(--accent-gold);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

/* ANIMATIONS */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.animate-bounce {
    animation: bounce 2s infinite;
}

/* CARDS AND SECTIONS */
.bg-gradient {
    background: var(--gradient-dark);
}

.achievement-item,
.feature-item,
.role-item,
.advantage-card,
.training-step,
.task-card,
.application-card,
.history-card {
    transition: var(--transition-smooth);
    border: 1px solid rgba(255,193,7,0.1);
}

.achievement-item:hover,
.advantage-card:hover,
.training-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--accent-gold);
}

.history-card {
    background: var(--gradient-dark);
    border: 1px solid rgba(255,193,7,0.2);
}

/* UNIT CARDS */
.unit-card {
    min-height: 500px;
    transition: var(--transition-smooth);
}

.unit-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: var(--transition-smooth);
}

.reb-unit-bg {
    background-image: url('/media/reb/TASS_53555249.jpg');
}

.drones-unit-bg {
    background-image: url('/media/dron/nBkSUhL2h1Ekmsq3Ir6BrNOp2Z3z8Zj21iDEh_fH_nKUPXuaDyXTjHou4MVO6BCVoZKf9GqVe5Q_CPawk214LyWK9G1N5ho=wO0HAO5l0dNaPNdn9ob04g.jpg');
}

.unit-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.3) 100%);
    transition: var(--transition-smooth);
}

.unit-card:hover .unit-bg {
    transform: scale(1.05);
}

.unit-card:hover .unit-overlay {
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.4) 100%);
}

.unit-content {
    z-index: 2;
}

.unit-icon {
    transition: var(--transition-smooth);
}

.unit-card:hover .unit-icon {
    transform: scale(1.1) rotate(5deg);
}

/* IMAGE GALLERY */
.image-gallery .gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.gallery-item img {
    transition: var(--transition-smooth);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.gallery-overlay i {
    color: var(--accent-gold);
    font-size: 2rem;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* CONTACT FORM */
.contact-form-container {
    background: var(--gradient-dark);
    border: 2px solid var(--accent-gold);
}

.form-control {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,193,7,0.3);
    color: var(--text-light);
    border-radius: 8px;
    padding: 12px 15px;
    transition: var(--transition-smooth);
}

.form-control:focus {
    background: rgba(255,255,255,0.15);
    border-color: var(--accent-gold);
    color: var(--text-light);
    box-shadow: 0 0 0 0.2rem rgba(255,193,7,0.25);
}

.form-control::placeholder {
    color: rgba(255,255,255,0.6);
}

/* Скрываем стандартный select */
.form-select {
    display: none !important;
    position: absolute !important;
    left: -9999px !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Кастомный выпадающий список */
.custom-select {
    position: relative;
    display: block !important;
    width: 100%;
    margin-bottom: 1rem;
    z-index: 1;
}

.custom-select .select-trigger {
    background: rgba(108, 117, 125, 0.9);
    border: 1px solid rgba(255,193,7,0.3);
    color: #fff;
    padding: 12px 15px;
    border-radius: 5px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.custom-select .select-trigger:hover {
    background: rgba(108, 117, 125, 1);
    border-color: var(--accent-gold);
}

.custom-select .select-trigger:after {
    content: "▼";
    color: #fff;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.custom-select .select-trigger.active:after {
    transform: rotate(180deg);
}

.custom-select .select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border: 1px solid rgba(255,193,7,0.3);
    border-top: none;
    border-radius: 0 0 5px 5px;
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.custom-select .select-options.show {
    display: block;
}

.custom-select .select-option {
    padding: 12px 15px;
    cursor: pointer;
    color: #000000;
    background: #ffffff;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s ease;
}

.custom-select .select-option:hover {
    background: #f8f9fa;
    color: #000000;
}

.custom-select .select-option.selected {
    background: #e9ecef;
    color: #000000;
    font-weight: 500;
}

.custom-select .select-option:last-child {
    border-bottom: none;
}

.form-check-input:checked {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.form-info {
    border: 1px solid rgba(255,193,7,0.3);
    background: rgba(255,193,7,0.05);
}

/* FOOTER */
footer {
    background: var(--gradient-dark);
    border-top: 2px solid var(--accent-gold);
    margin-top: 0 !important;
}

footer a:hover {
    color: var(--accent-gold) !important;
    transform: translateY(-2px);
}

/* BACK TO TOP BUTTON */
#backToTop {
    display: none;
    width: 50px;
    height: 50px;
    transition: var(--transition-smooth);
}

#backToTop:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* RESPONSIVE DESIGN */

/* Десктоп и планшеты (768px и больше) */
@media (min-width: 768px) {
    .col-md-6 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }
    .col-lg-6 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }
    .col-lg-4 {
        flex: 0 0 33.333333% !important;
        max-width: 33.333333% !important;
    }
    .col-lg-3 {
        flex: 0 0 25% !important;
        max-width: 25% !important;
    }
    .col-lg-2 {
        flex: 0 0 16.666667% !important;
        max-width: 16.666667% !important;
    }
}

/* Планшеты (768px-992px) */
@media (min-width: 768px) and (max-width: 991px) {
    .col-md-6 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }
    .col-lg-4,
    .col-lg-3,
    .col-lg-2 {
        flex: 0 0 50% !important;
        max-width: 50% !important;
    }
}

/* Планшеты и мобильные (до 768px) */
@media (max-width: 768px) {
    .display-3 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    .hero-bg {
        background-attachment: scroll;
    }
    
    .unit-card {
        min-height: 400px;
    }
    
    .btn-lg {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .hero-stats .stat-item,
    .hero-features .feature-item {
        margin-bottom: 1rem;
    }
    
    /* Скрываем фото в разделах РЭБ и БПЛА на мобильных */
    .reb-description-image,
    .drones-description-image {
        display: none !important;
    }
    
    /* Уменьшаем фото на главной странице */
    .brigade-description-image img {
        max-height: 300px !important;
        transform: scale(1.1) !important;
        margin-top: 20px !important;
    }
    
    /* Убираем transform scale на мобильных */
    .brigade-description-image img,
    .reb-description-image img,
    .drones-description-image img {
        transform: none !important;
    }
}

/* Мобильные (до 576px) */
@media (max-width: 576px) {
    .display-3 {
        font-size: 2rem;
    }
    
    .hero-section {
        min-height: 70vh;
    }
    
    .unit-card {
        min-height: 350px;
    }
    
    .contact-form-container {
        padding: 2rem !important;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* На мобильных делаем все блоки в одну колонку */
    .col-md-6,
    .col-lg-6,
    .col-lg-4,
    .col-lg-3,
    .col-lg-2 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
    
    /* Исправляем отступы для мобильных */
    .container {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    
    .row {
        margin-left: -15px !important;
        margin-right: -15px !important;
    }
    
    .col, .col-md-6, .col-lg-4, .col-lg-6 {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
}

/* LOADING STATES */
.btn-loading {
    pointer-events: none;
}

/* CUSTOM SCROLLBAR */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e0a800;
}

/* ACCESSIBILITY */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* PERFORMANCE OPTIMIZATIONS */
.hero-bg,
.unit-bg {
    will-change: transform;
}

.btn,
.gallery-item,
.achievement-item {
    will-change: transform;
}

/* PRINT STYLES */
@media print {
    .hero-section,
    .navbar,
    footer,
    #backToTop {
        display: none !important;
    }
    
    body {
        color: #000 !important;
        background: #fff !important;
    }
}