:root {
    --navy-900: #1e2f40;
    --navy-800: #2c3e50;
    --navy-700: #3b5269;
    --accent-500: #77aaff;
    --accent-600: #5e95ef;
    --bg-100: #f4f7fb;
    --bg-200: #e8eef5;
    --text-900: #1f2a33;
    --text-700: #4f5e6e;
    --white: #ffffff;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-soft: 0 18px 35px rgba(18, 36, 56, 0.08);
    --shadow-card: 0 10px 24px rgba(27, 50, 73, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-900);
    background: var(--bg-100);
    line-height: 1.6;
}

img {
    display: block;
    width: 100%;
    height: auto;
}

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

.container {
    width: min(1180px, calc(100% - 56px));
    margin: 0 auto;
}

.top-bar {
    background: var(--navy-900);
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.86rem;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 10px 0;
}

.top-bar p {
    margin: 0;
    letter-spacing: 0.2px;
}

.top-bar a {
    color: var(--accent-500);
    font-weight: 600;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(248, 251, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(44, 62, 80, 0.08);
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 84px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: linear-gradient(145deg, var(--accent-500), #96bcff);
    box-shadow: inset 0 -7px 12px rgba(28, 54, 81, 0.18);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand strong {
    color: var(--navy-800);
    font-size: 1.08rem;
    letter-spacing: 0.3px;
}

.brand small {
    color: var(--text-700);
    font-size: 0.76rem;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    color: var(--navy-700);
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    background: rgba(119, 170, 255, 0.17);
    color: var(--navy-800);
    outline: none;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 64px;
    background:
        radial-gradient(circle at 85% 18%, rgba(119, 170, 255, 0.3), transparent 34%),
        linear-gradient(180deg, #f8fbff, #f0f5fb 55%, #edf3fa);
}

.hero::after {
    content: "";
    position: absolute;
    right: -180px;
    top: -120px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 91, 126, 0.2) 0%, rgba(56, 91, 126, 0) 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.07fr) minmax(0, 0.93fr);
    gap: 48px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent-600);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.74rem;
    font-weight: 700;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.3rem, 4.1vw, 3.55rem);
    line-height: 1.06;
    color: var(--navy-900);
}

.lead {
    margin: 22px 0 0;
    font-size: 1.05rem;
    color: var(--text-700);
    max-width: 58ch;
}

.hero-cta {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.2px;
    border: 1px solid transparent;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(140deg, var(--navy-800), #395470);
    box-shadow: 0 14px 22px rgba(44, 62, 80, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 17px 28px rgba(44, 62, 80, 0.26);
}

.btn-secondary {
    background: var(--white);
    border-color: rgba(44, 62, 80, 0.16);
    color: var(--navy-800);
}

.btn-secondary:hover {
    background: #f6f9ff;
}

.hero-stats {
    margin: 34px 0 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.hero-stats div {
    background: rgba(255, 255, 255, 0.84);
    border: 1px solid rgba(44, 62, 80, 0.1);
    border-radius: var(--radius-sm);
    padding: 13px 14px;
    box-shadow: var(--shadow-card);
}

.hero-stats dt {
    margin: 0;
    font-size: 1.28rem;
    font-weight: 800;
    color: var(--navy-800);
}

.hero-stats dd {
    margin: 2px 0 0;
    font-size: 0.83rem;
    color: var(--text-700);
}

.hero-visual {
    margin: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(44, 62, 80, 0.11);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.hero-visual img {
    height: 460px;
    object-fit: cover;
}

.hero-visual figcaption {
    padding: 14px 18px 18px;
    color: var(--text-700);
    font-size: 0.84rem;
    border-top: 1px solid rgba(44, 62, 80, 0.08);
}

.section {
    padding: 84px 0;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(1.8rem, 2.8vw, 2.5rem);
    line-height: 1.15;
    color: var(--navy-900);
}

.section-heading > p {
    margin: 20px 0 0;
    color: var(--text-700);
    font-size: 1rem;
}

.split-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 34px;
    align-items: end;
}

.about {
    background: var(--white);
}

.about-layout {
    margin-top: 38px;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 22px;
}

.card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid rgba(44, 62, 80, 0.09);
    box-shadow: var(--shadow-card);
    padding: 24px;
}

.card h3 {
    margin: 0;
    font-size: 1.26rem;
    color: var(--navy-800);
}

.card p {
    margin: 12px 0 0;
    color: var(--text-700);
}

.about-feature {
    background: linear-gradient(180deg, #f9fbff, #f3f8ff);
}

.about-feature img {
    margin-top: 20px;
    border-radius: 12px;
    height: 280px;
    object-fit: cover;
}

.about-stack {
    display: grid;
    gap: 14px;
}

.check-list {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.check-list li {
    position: relative;
    padding-left: 24px;
    color: var(--text-700);
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--accent-500), var(--accent-600));
}

.products {
    background: linear-gradient(180deg, #f2f7fe, #eef4fb);
}

.product-grid {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.product-card {
    background: var(--white);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(44, 62, 80, 0.1);
    box-shadow: var(--shadow-card);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 26px rgba(24, 45, 67, 0.11);
}

.product-card img {
    height: 170px;
    object-fit: cover;
}

.product-card h3 {
    margin: 16px 16px 0;
    font-size: 1.02rem;
    color: var(--navy-800);
}

.product-card p {
    margin: 8px 16px 18px;
    font-size: 0.92rem;
    color: var(--text-700);
}

.capabilities {
    background: var(--white);
}

.capability-grid {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.capability-card {
    min-height: 228px;
}

.capability-card.image-card {
    padding: 0;
    overflow: hidden;
}

.image-card img {
    height: 180px;
    object-fit: cover;
}

.image-card h3,
.image-card p {
    padding: 0 20px;
}

.image-card h3 {
    margin-top: 16px;
}

.image-card p {
    margin-bottom: 20px;
}

.innovation {
    background: linear-gradient(145deg, #22364a, #2e4860 58%, #3f5f7e);
    color: rgba(255, 255, 255, 0.93);
}

.innovation-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: stretch;
}

.innovation .eyebrow {
    color: #9ec1ff;
}

.innovation h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    line-height: 1.16;
}

.innovation p {
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.84);
}

.innovation-story {
    padding: 10px 0;
}

.innovation-list {
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.innovation-list li {
    position: relative;
    padding-left: 26px;
}

.innovation-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(130, 180, 255, 0.95);
    box-shadow: 0 0 0 4px rgba(130, 180, 255, 0.22);
}

.innovation-media {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 24px 42px rgba(9, 24, 40, 0.25);
}

.innovation-media img {
    height: 100%;
    min-height: 360px;
    object-fit: cover;
}

.sustainability {
    background: linear-gradient(180deg, #f7faff, #edf3fb);
}

.sustainability-grid {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.contact {
    background: var(--white);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
}

.contact-panel {
    background: linear-gradient(160deg, #253a4f, #2d4560 58%, #355374);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 34px;
    box-shadow: var(--shadow-soft);
}

.contact-panel .eyebrow {
    color: #9fc2ff;
}

.contact-panel h2 {
    margin: 0;
    font-size: clamp(1.7rem, 2.7vw, 2.3rem);
    line-height: 1.14;
}

.contact-panel p {
    margin: 16px 0 0;
    color: rgba(255, 255, 255, 0.85);
}

.contact-list {
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.contact-list li {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.map-shell {
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 420px;
    border: 1px solid rgba(44, 62, 80, 0.14);
    box-shadow: var(--shadow-card);
}

.map-shell iframe {
    width: 100%;
    height: 100%;
}

.site-footer {
    background: #172533;
    color: rgba(255, 255, 255, 0.82);
    padding-top: 32px;
}

.footer-shell {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding-bottom: 20px;
}

.footer-brand {
    margin: 0;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
}

.footer-shell p {
    margin: 8px 0 0;
    font-size: 0.9rem;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 14px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.84);
    font-weight: 600;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-500);
}

.copyright {
    margin: 0;
    padding: 15px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 1120px) {
    .container {
        width: min(1180px, calc(100% - 42px));
    }

    .main-nav ul {
        gap: 2px;
    }

    .main-nav a {
        padding: 0 11px;
        font-size: 0.86rem;
    }

    .hero-grid,
    .split-heading,
    .about-layout,
    .innovation-shell,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero-visual img {
        height: 420px;
    }

    .capability-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 840px) {
    .top-bar {
        display: none;
    }

    .site-header {
        position: static;
    }

    .nav-shell {
        min-height: auto;
        padding: 18px 0;
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        width: 100%;
    }

    .main-nav ul {
        flex-wrap: wrap;
        row-gap: 8px;
    }

    .hero {
        padding-top: 48px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 68px 0;
    }

    .product-grid,
    .capability-grid,
    .sustainability-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .map-shell {
        min-height: 340px;
    }

    .footer-shell {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 620px) {
    .container {
        width: min(1180px, calc(100% - 28px));
    }

    .btn {
        width: 100%;
    }

    .product-grid,
    .capability-grid,
    .sustainability-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual img {
        height: 300px;
    }

    .contact-panel {
        padding: 26px;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}