:root {
    --bg-dark: #04070a;
    --card-glass: rgba(8, 12, 18, 0.8);
    --accent-orange: #ff7900;
    --accent-orange-dim: rgba(255, 121, 0, 0.1);
    --accent-green: #00ff66;
    --accent-green-dim: rgba(0, 255, 102, 0.08);
    --text-main: #f0f4f8;
    --text-muted: #8fa0b5;
    --border-cyan: rgba(255, 121, 0, 0.2);
    --border-green: rgba(0, 255, 102, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.background-grid {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.007) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.007) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
}

.background-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, transparent 20%, rgba(4,7,10,0.97) 100%);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.tactical-header-nav {
    border-bottom: 1px solid var(--border-cyan);
    background: rgba(4, 7, 10, 0.9);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 900;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 3px;
    text-shadow: 0 0 10px rgba(255, 121, 0, 0.3);
}

.nav-links {
    display: flex;
    gap: 10px;
    list-style: none;
    align-items: center;
    height: 100%;
}

.nav-links li {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-links a, .drop-btn {
    color: var(--text-main);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    border-radius: 4px;
    transition: all 0.2s ease;
    background: transparent;
    border: none;
}

.nav-links a:hover, .drop-btn:hover {
    color: var(--accent-orange);
    background: rgba(255, 121, 0, 0.05);
}

.nav-dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #060a0f;
    border: 1px solid var(--border-cyan);
    min-width: 250px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.9);
    padding: 6px 0;
    margin-top: 0;
    border-radius: 0 0 4px 4px;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
    animation: menuFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-content a {
    padding: 12px 20px;
    font-family: 'Inter', sans-serif;
    text-transform: none;
    font-size: 0.85rem;
    font-weight: 500;
    justify-content: flex-start;
    border-radius: 0;
    letter-spacing: 0.5px;
}

.dropdown-content a i {
    color: var(--accent-orange);
    width: 20px;
}

.dropdown-content a:hover {
    background: rgba(255, 121, 0, 0.08);
    color: #fff;
    padding-left: 24px;
}

.hero-section {
    position: relative;
    background: var(--card-glass);
    border: 1px solid var(--border-cyan);
    margin-top: 50px;
    padding: 90px 40px;
    text-align: center;
    overflow: hidden;
    border-radius: 4px;
}

.hero-scanner {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-orange), transparent);
    animation: scanEffect 4s linear infinite;
}

.hero-section h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.2rem;
    font-weight: 900;
    letter-spacing: 6px;
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(255, 121, 0, 0.25);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-main-action {
    background: var(--accent-orange);
    color: #000000;
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 0.85rem;
    padding: 15px 30px;
    letter-spacing: 2px;
    transition: all 0.2s ease;
    border-radius: 3px;
}

.btn-main-action:hover {
    background: #ff912a;
    box-shadow: 0 0 25px rgba(255, 121, 0, 0.35);
}

.btn-secondary-action {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.15);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 15px 30px;
    letter-spacing: 2px;
    transition: all 0.2s ease;
    border-radius: 3px;
}

.btn-secondary-action:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    background: rgba(255,121,0,0.02);
}

.about-section {
    margin: 60px 0 80px 0;
}

.section-title-wrap {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.section-title-wrap h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    color: var(--accent-orange);
    letter-spacing: 3px;
    white-space: nowrap;
}

.section-title-wrap .line {
    height: 1px; background: rgba(255, 121, 0, 0.15); width: 100%;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--card-glass);
    border: 1px solid var(--border-cyan);
    border-left: 3px solid var(--accent-orange);
    padding: 30px 25px;
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.about-card:hover {
    border-color: rgba(255, 121, 0, 0.4);
    border-left-color: var(--accent-orange);
    background: rgba(10, 16, 22, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 121, 0, 0.05);
}

.card-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--accent-orange-dim);
    border: 1px solid var(--border-cyan);
    border-radius: 6px;
    margin-bottom: 20px;
}

.card-icon {
    font-size: 1.3rem;
    color: var(--accent-orange);
}

.about-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.05rem;
    margin-bottom: 12px;
    letter-spacing: 1px;
    color: #ffffff;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.full-width-card {
    grid-column: 1 / -1;
    border-left: 3px solid var(--accent-green);
    flex-direction: row;
    gap: 20px;
    align-items: center;
}

.full-width-card:hover {
    border-color: rgba(0, 255, 102, 0.4);
    border-left-color: var(--accent-green);
    box-shadow: 0 10px 30px rgba(0, 255, 102, 0.03);
}

.green-icon {
    background: var(--accent-green-dim);
    border-color: var(--border-green);
    flex-shrink: 0;
}

.green-icon .card-icon {
    color: var(--accent-green);
}

.full-card-content {
    flex-grow: 1;
}

.full-card-content h3 {
    margin-bottom: 8px;
}

.main-footer {
    background: #020406;
    border-top: 1px solid rgba(255, 121, 0, 0.07);
    padding: 25px 0;
    text-align: center;
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

@keyframes scanEffect {
    0% { top: 0; opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

@keyframes menuFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@media(max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .full-width-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media(max-width: 768px) {
    .tactical-nav { flex-direction: column; height: auto; padding: 15px 0; gap: 15px; }
    .nav-links { flex-direction: column; gap: 8px; width: 100%; height: auto; }
    .nav-links li { width: 100%; justify-content: center; }
    .nav-dropdown .dropdown-content { position: relative; width: 100%; margin-top: 5px; box-shadow: none; }
    .hero-section { padding: 50px 20px; margin-top: 30px; }
    .hero-section h1 { font-size: 2.2rem; }
}