:root {
    --primary: #0b4f82;
    --secondary: #051c30;
    --accent: #25b8ff;
    --accent-strong: #0dd1ff;
    --text-dark: #0a1b2e;
    --text-light: #f5f7fb;
    --muted: #7b8ba5;
    --bg: #f0f4f8;
}

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

body {
    font-family: "Poppins", "Segoe UI", Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

.main-nav {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(227, 243, 255, 0.95));
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 6%;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 20px 45px rgba(5, 28, 48, 0.18);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.brand img {
    width: 120px;
    height: 120px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(230, 245, 255, 0.95));
    padding: 10px;
    border: 1px solid rgba(11, 79, 130, 0.25);
    box-shadow: 0 15px 35px rgba(5, 28, 48, 0.2);
}

.brand span {
    display: block;
    font-size: 0.8rem;
    color: var(--accent-strong);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: #0a1b2e;
    font-weight: 500;
    transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: white;
    padding: 0.65rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    box-shadow: 0 12px 30px rgba(13, 209, 255, 0.45);
}

.hero {
    background: radial-gradient(circle at top, rgba(13, 209, 255, 0.15), transparent 60%), linear-gradient(120deg, #030f1e, #071d33);
    color: white;
    padding: 2.5rem 6% 3.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.hero p {
    color: #c6d8ee;
}

.hero .badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(37, 184, 255, 0.15);
    color: var(--accent-strong);
    padding: 0.35rem 1.25rem;
    border-radius: 50px;
    font-weight: 500;
    margin-bottom: 1rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #1f8ceb);
    color: white;
    box-shadow: 0 15px 30px rgba(31, 140, 235, 0.35);
}

.btn-secondary {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
}

.btn:hover {
    transform: translateY(-3px);
}

.hero-visual {
    background: rgba(6, 28, 49, 0.7);
    border-radius: 24px;
    padding: 2rem;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
}

.hero-visual .card {
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-dark);
    border: 1px solid rgba(10, 31, 51, 0.08);
    box-shadow: none;
}

.hero-visual .card strong {
    color: var(--secondary);
}

.hero-visual .card p {
    color: #3c4b63;
}

.hero-logo {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(214, 237, 255, 0.98));
    padding: 16px;
    border: 1px solid rgba(12, 79, 130, 0.25);
    box-shadow: 0 25px 40px rgba(5, 28, 48, 0.35);
    margin: 0 auto 1rem;
}

.carousel {
    position: relative;
    margin-top: 1.5rem;
    overflow: hidden;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.03);
}

.carousel input {
    display: none;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    flex: 0 0 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slide h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.carousel-controls label {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease;
}

#slide-1:checked ~ .carousel-track {
    transform: translateX(0);
}

#slide-2:checked ~ .carousel-track {
    transform: translateX(-100%);
}

#slide-3:checked ~ .carousel-track {
    transform: translateX(-200%);
}

#slide-1:checked ~ .carousel-controls label[for="slide-1"],
#slide-2:checked ~ .carousel-controls label[for="slide-2"],
#slide-3:checked ~ .carousel-controls label[for="slide-3"] {
    background: var(--accent-strong);
    transform: scale(1.2);
}

.section {
    padding: 4rem 6%;
}

.section h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--secondary);
}

.section p {
    color: #4f5f78;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(10, 31, 51, 0.08);
    box-shadow: 0 20px 35px rgba(5, 28, 48, 0.08);
}

.card i {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.card strong {
    display: block;
    margin-bottom: 0.5rem;
}

.sub-services {
    margin-top: 1rem;
    border-top: 1px solid rgba(5, 28, 48, 0.08);
    padding-top: 1rem;
}

.sub-services li {
    list-style: none;
    padding-left: 1.2rem;
    position: relative;
    margin-bottom: 0.35rem;
    color: #415067;
}

.sub-services li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    position: absolute;
    left: 0;
    top: 0.5rem;
}

.highlight-panel {
    background: linear-gradient(120deg, rgba(5, 28, 48, 0.95), rgba(11, 79, 130, 0.95));
    color: white;
    border-radius: 24px;
    padding: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    align-items: center;
    box-shadow: 0 30px 50px rgba(5, 28, 48, 0.35);
}

.highlight-panel h3 {
    font-size: 1.9rem;
    margin-bottom: 0.5rem;
}

.highlight-panel ul {
    list-style: none;
}

.highlight-panel li {
    padding: 0.4rem 0;
}

.highlight-panel p,
.highlight-panel li,
.highlight-panel strong {
    color: var(--text-light);
}

.contact-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 18px;
    box-shadow: 0 20px 30px rgba(5, 28, 48, 0.08);
}

.contact-item {
    flex: 1;
    min-width: 200px;
}

footer {
    background: #040b15;
    color: #9fb3cc;
    padding: 2rem 6%;
    text-align: center;
}

@media (max-width: 768px) {
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-nav {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding-top: 10rem;
    }
}