:root {
    /* ITNOVA2 High-Tech Dark Theme Palette */
    --bg-deep: #05070d;
    --bg-surface: rgba(16, 22, 38, 0.6);
    --bg-card: rgba(22, 32, 54, 0.4);

    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --text-accent: #00d2ff;
    --text-accent-alt: #00ff88;

    --accent-glow: rgba(0, 210, 255, 0.3);
    --accent-glow-green: rgba(0, 255, 136, 0.3);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-active: rgba(0, 210, 255, 0.4);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.dark-theme {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Glassmorphism & UI Utilities */
.glassmorphism {
    background: rgba(5, 7, 13, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hover-lift {
    transition: var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-8px);
    border-color: var(--border-active);
    box-shadow: 0 12px 40px var(--accent-glow);
}

/* Typography Links & Buttons */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--text-accent);
}

.primary-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.1) 0%, rgba(58, 123, 213, 0.1) 100%);
    border: 1px solid var(--text-accent);
    color: var(--text-accent);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.primary-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.primary-btn:hover::before {
    left: 100%;
}

.primary-btn:hover {
    background: rgba(0, 210, 255, 0.1);
    box-shadow: 0 0 20px var(--accent-glow);
    text-shadow: 0 0 8px rgba(0, 210, 255, 0.5);
    color: #fff;
}

.secondary-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-left: 1rem;
}

.secondary-btn:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* --- HEADER --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-logo {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.1));
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--text-accent);
    transition: var(--transition-smooth);
}

.nav-links a:hover::after {
    width: 100%;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-family: var(--font-heading);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.lang-btn.active,
.lang-btn:hover {
    color: var(--text-accent);
}

.divider {
    color: var(--text-secondary);
    opacity: 0.5;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* --- HERO SECTION --- */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(5, 7, 13, 0.95) 0%, rgba(5, 7, 13, 0.7) 50%, rgba(5, 7, 13, 0.4) 100%);
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-text-wrapper {
    animation: fadeUp 1s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid var(--text-accent);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 20px var(--accent-glow);
}

.hero-headline {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #A0B0C0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subheadline {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
    line-height: 1.6;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Predictive Timeline */
.timeline-predictive {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.timeline-marker {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    position: relative;
}

.timeline-marker.past {
    color: #666;
}

.timeline-marker.now {
    color: var(--text-accent);
    font-size: 1.1rem;
}

.timeline-marker.future {
    color: var(--text-accent-alt);
}

.timeline-line {
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom,
            rgba(102, 102, 102, 0.5) 0%,
            var(--text-accent) 50%,
            var(--text-accent-alt) 100%);
    border-radius: 2px;
}

.timeline-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--text-accent);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--text-accent), 0 0 40px var(--text-accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.5;
    }
}

/* --- SECTIONS COMMON --- */
.section-container {
    padding: 8rem 5%;
}

.section-header {
    margin-bottom: 4rem;
}

.center-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: var(--text-accent);
    box-shadow: 0 0 10px var(--text-accent);
}

.pattern-bg {
    background-image: radial-gradient(var(--border-subtle) 1px, transparent 1px);
    background-size: 40px 40px;
}

.pattern-bg-alt {
    position: relative;
}

.pattern-bg-alt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(16, 22, 38, 0.4) 0%, transparent 100%);
    z-index: -1;
}

/* --- PLATFORM SECTION --- */
.platform-section {
    position: relative;
}

/* Radar Interface */
.radar-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    z-index: 0;
    opacity: 0.3;
}

.radar-grid {
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    position: relative;
}

.radar-grid::before,
.radar-grid::after {
    content: '';
    position: absolute;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radar-grid::before {
    width: 66%;
    height: 66%;
}

.radar-grid::after {
    width: 33%;
    height: 33%;
}

.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50%;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--text-accent));
    transform-origin: left center;
    animation: radarSweep 4s linear infinite;
    box-shadow: 0 0 20px var(--accent-glow);
}

.radar-dots {
    position: absolute;
    width: 100%;
    height: 100%;
}

.radar-dots::before,
.radar-dots::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--text-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--text-accent);
    animation: radarBlink 2s ease-in-out infinite;
}

.radar-dots::before {
    top: 20%;
    right: 30%;
    animation-delay: 0.5s;
}

.radar-dots::after {
    bottom: 35%;
    left: 25%;
    animation-delay: 1.2s;
}

@keyframes radarSweep {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes radarBlink {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

.platform-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.pillar-card {
    position: relative;
    padding: 2rem;
    transition: var(--transition-smooth);
}

.pillar-card.active {
    border-color: var(--text-accent);
    box-shadow: 0 8px 40px var(--accent-glow);
}

.pillar-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: rgba(0, 210, 255, 0.2);
}

.pillar-icon {
    width: 50px;
    height: 50px;
    color: var(--text-accent);
    margin-bottom: 1.5rem;
}

.pillar-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.pillar-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.pillar-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-accent);
}

/* --- SOLUTIONS SECTION --- */
.solutions-section {
    background-color: #070a12;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.solution-card {
    position: relative;
    overflow: hidden;
}

.solution-card.defense-card {
    border-left: 4px solid var(--text-accent);
}

.solution-card.logistics-card {
    border-left: 4px solid var(--text-accent-alt);
}

.solution-domain {
    margin-bottom: 1.5rem;
}

.domain-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.domain-badge.defense {
    background: rgba(0, 210, 255, 0.1);
    color: var(--text-accent);
    border: 1px solid rgba(0, 210, 255, 0.3);
}

.domain-badge.logistics {
    background: rgba(0, 255, 136, 0.1);
    color: var(--text-accent-alt);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.solution-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #fff;
}

.solution-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.domain-platforms,
.logistics-modes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.platform-tag,
.mode-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.platform-tag:hover,
.mode-item:hover {
    border-color: var(--border-active);
    background: rgba(0, 210, 255, 0.05);
}

.platform-tag svg,
.mode-item svg {
    width: 20px;
    height: 20px;
    color: var(--text-accent);
}

.platform-tag span,
.mode-item span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* --- INFRASTRUCTURE SECTION --- */
.infrastructure-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.infra-card {
    display: flex;
    flex-direction: column;
}

.infra-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.infra-icon {
    width: 50px;
    height: 50px;
    color: var(--text-accent);
    flex-shrink: 0;
}

.infra-title {
    font-size: 1.3rem;
    color: #fff;
}

.infra-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    flex-grow: 1;
}

.infra-specs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--text-accent);
    border-radius: 4px;
}

.spec-value {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--text-accent);
}

.spec-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.network-layers {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.layer-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.layer-item.public {
    border-left: 3px solid #ff6b6b;
}

.layer-item.private {
    border-left: 3px solid var(--text-accent);
}

.layer-item.management {
    border-left: 3px solid var(--text-accent-alt);
}

.layer-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
}

.layer-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* --- CONTACT SECTION --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

.brand-display {
    margin-bottom: 3rem;
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
}

.prominent-link {
    display: block;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--text-accent);
    font-weight: 600;
}

.contact-details p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.minimalist-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-control {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-subtle);
    padding: 1rem;
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--text-accent);
    background: rgba(0, 0, 0, 0.4);
}

.submit-btn {
    align-self: flex-start;
    margin-top: 1rem;
}

/* --- SECURITY SECTION --- */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.security-card {
    display: flex;
    flex-direction: column;
}

.security-icon {
    width: 60px;
    height: 60px;
    color: var(--text-accent);
    margin-bottom: 1.5rem;
}

.security-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.security-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    flex-grow: 1;
}

.security-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    padding: 0.4rem 1rem;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-accent);
}

/* --- USE CASES SECTION --- */
.usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.usecase-card {
    position: relative;
    padding: 2.5rem 2rem 2rem 2rem;
}

.usecase-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(0, 210, 255, 0.1);
    line-height: 1;
}

.usecase-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    margin-right: 3rem;
    color: #fff;
}

.usecase-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* --- FOOTER --- */
.site-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .hero-headline {
        font-size: 2.5rem;
    }

    .timeline-predictive {
        display: none;
    }

    .radar-visual {
        display: none;
    }

    .solutions-grid,
    .contact-wrapper,
    .infrastructure-grid {
        grid-template-columns: 1fr;
    }

    .domain-platforms,
    .logistics-modes {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .secondary-btn {
        margin-left: 0;
        margin-top: 1rem;
    }

    .hero-cta-group {
        flex-direction: column;
        align-items: flex-start;
    }
}