:root {
    --primary-blue: #1E62C4;
    --accent-cyan: #21A8E0;
    --dark-bg: #030811;
    --nav-bg: rgba(5, 12, 24, 0.95);
    --text-light: #FFFFFF;
    --text-muted: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.12);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Top Bar */
.top-bar {
    background: #02060E;
    color: #CBD5E1;
    padding: 8px 6%;
    font-size: 0.82rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 1002;
}

.top-left span { margin-right: 25px; }
.top-left i { color: var(--accent-cyan); margin-right: 6px; }
.top-right { display: flex; gap: 20px; align-items: center; }
.lang-selector span { cursor: pointer; opacity: 0.7; transition: var(--transition); }
.lang-selector span.active { opacity: 1; font-weight: 700; color: var(--accent-cyan); }
.lang-selector span:hover { opacity: 1; }

/* Navigation Bar */
navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 6%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-logo { height: 48px; width: auto; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 6px;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 32px;
    flex: 1;
    margin-left: 40px;
}

.nav-links { display: flex; list-style: none; gap: 28px; }
.nav-links a {
    text-decoration: none;
    color: #E2E8F0;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}
.nav-links a.active, .nav-links a:hover { color: var(--accent-cyan); }

.btn-quote-nav {
    background: #1D61E0;
    color: #FFFFFF;
    padding: 10px 22px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-quote-nav:hover {
    background: #154FB8;
    transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 5%;
    overflow: hidden;
}

/* Hero Slideshow Background Layer */
.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center 45%;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
    filter: brightness(0.95) contrast(1.1);
}

.hero-slide.active { opacity: 1; }

/* Gradient Dark Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(3, 8, 17, 0.55) 0%, rgba(3, 8, 17, 0.8) 100%);
    z-index: 2;
}

/* Floating Arrow Controls */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.slider-arrow:hover { background: var(--primary-blue); }
.slider-arrow.prev { left: 25px; }
.slider-arrow.next { right: 25px; }

/* Hero Content Center */
.hero-content {
    position: relative;
    z-index: 3;
    max-width: 1050px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-subtitle-tag {
    font-size: 0.95rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #93C5FD;
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.25;
    margin-bottom: 15px;
}

.hero-title span {
    color: var(--accent-cyan);
}

.hero-description {
    font-size: 1.05rem;
    color: #CBD5E1;
    max-width: 800px;
    margin-bottom: 30px;
    font-weight: 400;
}

.btn-hero-action {
    background: #1D61E0;
    color: #FFFFFF;
    padding: 13px 34px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 6px 20px rgba(29, 97, 224, 0.4);
    transition: var(--transition);
}

.btn-hero-action:hover {
    background: #154FB8;
    transform: translateY(-2px);
}

/* Slider Indicators */
.slider-indicators {
    position: absolute;
    bottom: 25px;
    z-index: 10;
    display: flex;
    gap: 8px;
}

.indicator-line {
    width: 35px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
}

.indicator-line.active {
    background: var(--accent-cyan);
    width: 45px;
}

/* Services Section */
.services-section {
    padding: 80px 6%;
    background: #02060E;
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    color: #FFF;
    font-weight: 700;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: #08101E;
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
}

.service-card i {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    color: #FFF;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Direction / About Quote Section */
.about-quote-section {
    padding: 80px 6%;
    background: #030811;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.quote-container {
    max-width: 850px;
    margin: 0 auto;
    background: #08101E;
    padding: 45px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.quote-text {
    font-size: 1.25rem;
    font-style: italic;
    color: #E2E8F0;
    margin-bottom: 20px;
    line-height: 1.8;
}

.quote-author {
    font-weight: 700;
    color: var(--accent-cyan);
    font-size: 1.05rem;
}

/* Contact Section */
.contact-section {
    padding: 80px 6% 40px 6%;
    background: #02060E;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 40px auto;
}

.contact-card {
    background: #08101E;
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.contact-card i {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 15px;
}

.contact-card h4 {
    color: #FFF;
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.contact-card p, .contact-card a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* Closing Video Section */
.cs2t-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
    background: #000;
}

.cs2t-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cs2t-overlay {
    position: absolute;
    bottom: 8%;
    left: 0;
    right: 0;
    z-index: 5;
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.cs2t-btn {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #1e6fff, #0a4fd4);
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: 0 12px 30px rgba(30, 111, 255, 0.4);
    transition: all 0.3s ease;
}

.cs2t-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(30, 111, 255, 0.55);
}

@media (max-width: 768px) {
    .cs2t-hero {
        display: flex;
        flex-direction: column;
        height: auto;
        min-height: 0;
    }

    .cs2t-video {
        position: relative;
        inset: auto;
        width: 100%;
        height: auto;
        aspect-ratio: 848 / 480;
        display: block;
        object-fit: cover;
    }

    .cs2t-overlay {
        position: static;
        padding: 20px 6% 32px;
    }

    .cs2t-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Responsive: Top Bar, Navigation, Hero Typography */
.hero-title {
    font-size: clamp(1.9rem, 5.5vw, 3rem);
}

.hero-subtitle-tag {
    font-size: clamp(0.8rem, 2.2vw, 0.95rem);
    letter-spacing: 2px;
}

.hero-description {
    font-size: clamp(0.9rem, 2.2vw, 1.05rem);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin-left: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        padding: 10px 6% 20px;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
    }

    .nav-links li {
        border-top: 1px solid var(--border-color);
    }

    .nav-links a {
        display: block;
        padding: 14px 4px;
    }

    .btn-quote-nav {
        margin-top: 14px;
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .top-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: 6px 16px;
        padding: 8px 5%;
        font-size: 0.75rem;
        text-align: center;
    }

    .top-left span { margin-right: 0; }

    .top-right {
        gap: 12px;
    }

    #top-tagline {
        display: none;
    }
}

@media (max-width: 480px) {
    .slider-arrow {
        width: 36px;
        height: 36px;
    }

    .slider-arrow.prev { left: 12px; }
    .slider-arrow.next { right: 12px; }
}