:root {
    --bg: #f3f6fb;
    --surface: #ffffff;
    --surface-alt: #eaf1f9;
    --primary: #0b2647;
    --accent: #0b7ae3;
    --text: #0f172a;
    --muted: #526179;
    --border: #d2deeb;
    --shadow: 0 16px 36px rgba(11, 38, 71, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

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

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.82);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.9rem 0;
}

.brand-title {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--primary);
}

.brand-subtitle {
    margin: 0.2rem 0 0;
    font-size: 0.73rem;
    color: var(--muted);
    letter-spacing: 0.04em;
}

.nav-links {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-links a:hover {
    color: var(--accent);
    background: rgba(11, 122, 227, 0.1);
}

.nav-links a.active {
    color: #ffffff;
    background: var(--accent);
}

.hero {
    position: relative;
    min-height: 72vh;
    display: grid;
    place-items: center;
}

.hero-image,
.hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    object-fit: cover;
}

.hero-overlay {
    background: linear-gradient(120deg, rgba(8, 22, 41, 0.82), rgba(11, 53, 102, 0.42));
}

.hero-content {
    position: relative;
    color: #ffffff;
    text-align: left;
    padding: 2.2rem;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: rgba(8, 21, 40, 0.28);
    backdrop-filter: blur(6px);
    border-radius: 22px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: 1.15;
    max-width: 700px;
}

.hero p {
    max-width: 650px;
    font-size: 1.05rem;
    margin: 1rem 0 1.7rem;
}

.page-hero {
    background: linear-gradient(120deg, rgba(8, 22, 41, 0.92), rgba(11, 53, 102, 0.72));
    color: #ffffff;
    padding: 4.5rem 0;
}

.page-hero h1 {
    margin: 0.4rem 0 0;
    font-size: clamp(1.9rem, 4vw, 3rem);
}

.btn-primary {
    display: inline-block;
    text-decoration: none;
    background: linear-gradient(135deg, #0b7ae3, #0f6ecd);
    color: #ffffff;
    border-radius: 999px;
    padding: 0.75rem 1.35rem;
    font-weight: 600;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 22px rgba(11, 122, 227, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(11, 122, 227, 0.35);
}

.section {
    padding: 4.5rem 0;
}

.section-alt {
    background: var(--surface-alt);
}

.section-tag {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 700;
}

.section h2 {
    margin: 0.5rem 0 1rem;
    font-size: clamp(1.5rem, 2.8vw, 2.2rem);
    color: var(--primary);
    line-height: 1.2;
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.rounded-image {
    border-radius: 22px;
    min-height: 340px;
    object-fit: cover;
    box-shadow: var(--shadow);
}

.chips {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.chip {
    background: #e0ecfa;
    color: #11386a;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid #c9ddf8;
}

.service-cards {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 34px rgba(11, 38, 71, 0.14);
}

.card-image {
    width: 100%;
    height: 210px;
    object-fit: cover;
}

.card-body {
    padding: 1rem 1rem 1.15rem;
}

.card h3 {
    margin: 0;
    color: var(--primary);
    font-size: 1.1rem;
}

.card p {
    margin: 0.6rem 0 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.standards-list {
    margin: 1rem 0 0;
    padding-left: 1.1rem;
}

.standards-list li {
    margin: 0.45rem 0;
    color: var(--muted);
}

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.4rem;
    box-shadow: var(--shadow);
}

.panel h3 {
    margin-top: 0;
    color: var(--primary);
}

.pricing-box {
    text-align: center;
}

.contact-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1.4fr 1fr;
}

.site-footer {
    background: linear-gradient(120deg, #09192f, #0d2d52);
    color: #dce8f7;
    padding: 1.15rem 0;
    text-align: center;
    font-size: 0.92rem;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *,
    .reveal,
    .reveal.visible {
        transition: none !important;
        animation: none !important;
        transform: none !important;
    }

    html {
        scroll-behavior: auto;
    }
}

@media (max-width: 860px) {
    .nav-wrap,
    .section-grid,
    .contact-grid,
    .service-cards {
        grid-template-columns: 1fr;
        display: grid;
    }

    .nav-wrap {
        gap: 0.8rem;
    }

    .nav-links {
        gap: 0.65rem;
    }

    .hero {
        min-height: 62vh;
    }

    .hero-content {
        text-align: center;
    }
}