:root {
    --bg: #07130f;
    --bg-alt: #0c1f17;
    --surface: rgba(9, 24, 18, 0.85);
    --surface-alt: rgba(14, 32, 24, 0.92);
    --brand: #39d98a;
    --brand-soft: rgba(57, 217, 138, 0.18);
    --text: #f1fff6;
    --text-muted: #a5bda9;
    --border: rgba(65, 127, 95, 0.2);
    --shadow: 0 24px 40px rgba(0, 0, 0, 0.25);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --transition: 0.3s ease;
    --container-width: min(1100px, 92vw);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at 15% 20%, rgba(57, 217, 138, 0.08), transparent 55%), radial-gradient(circle at 80% 0%, rgba(13, 148, 136, 0.12), transparent 60%), var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

.container {
    width: var(--container-width);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(18px);
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.site-header.scrolled {
    background: rgba(7, 19, 15, 0.93);
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.4);
}

.topbar {
    background: rgba(5, 13, 10, 0.85);
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.topbar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.7rem 0;
    flex-wrap: wrap;
}

.topbar a:hover {
    color: var(--brand);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.brand img {
    width: auto;
    height: clamp(40px, 6vw, 60px);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    font-weight: 600;
}

.nav-links a {
    padding: 0.8rem 1.2rem;
    border-radius: 999px;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: var(--text);
    background: rgba(57, 217, 138, 0.12);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(6, 16, 12, 0.6);
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
    transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hero {
    position: relative;
    padding: 7rem 0 4rem;
    background: linear-gradient(160deg, rgba(7, 19, 15, 0.88) 18%, rgba(6, 28, 14, 0.62) 70%), url('../images/banner5.jpg') center/cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 18%, rgba(57, 217, 138, 0.18), transparent 62%);
    pointer-events: none;
}

.hero-main {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    min-height: 360px;
}

.hero-text {
    max-width: 520px;
}

.hero-text h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(3rem, 6vw, 4rem);
    margin: 0;
    letter-spacing: 0.04em;
}

.hero-text span {
    display: inline-block;
    margin-top: 1.5rem;
    font-weight: 600;
    color: var(--brand);
    font-size: 1.3rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero-text p {
    margin-top: 1.4rem;
    font-size: 1.05rem;
    color: var(--text-muted);
}

.hero-cards {
    position: relative;
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.hero-card {
    background: rgba(7, 19, 15, 0.86);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: grid;
    gap: 1rem;
}

.hero-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-card h3 {
    margin: 0;
    font-family: 'Poppins', sans-serif;
}

.hero-card span {
    font-size: 0.9rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brand);
    font-weight: 600;
}

.hero-card p {
    margin: 0;
    color: var(--text-muted);
}

.section {
    padding: 5.5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-size: 2.4rem;
}

.section-header span {
    color: var(--brand);
}

.about-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
}

.about-text span {
    color: var(--brand);
}

.about-text p {
    color: var(--text-muted);
}

.about-media {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.mission {
    margin-top: 4.5rem;
    background: rgba(7, 19, 15, 0.75);
    padding: 3.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.mission h2 {
    font-family: 'Poppins', sans-serif;
    margin-top: 0;
    text-align: center;
    margin-bottom: 2.5rem;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

.mission-card {
    background: rgba(10, 26, 19, 0.8);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.mission-card h3 {
    font-family: 'Poppins', sans-serif;
    margin-top: 0;
}

.mission-card p,
.mission-card ul {
    color: var(--text-muted);
}

.mission-card ul {
    padding-left: 1.2rem;
    margin: 0;
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.mission-card li::before {
    content: "▹";
    color: var(--brand);
    margin-right: 0.6rem;
}

.highlights {
    background: linear-gradient(120deg, rgba(57, 217, 138, 0.12), rgba(7, 39, 22, 0.45));
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

.highlight-card {
    background: rgba(7, 19, 15, 0.85);
    border-radius: var(--radius-md);
    padding: 2.2rem;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.highlight-card h3 {
    margin-top: 1.5rem;
    font-family: 'Poppins', sans-serif;
}

.highlight-card img {
    width: 86px;
    height: 86px;
    object-fit: contain;
}

.services {
    background: rgba(5, 13, 10, 0.65);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(7, 19, 15, 0.85);
    border-radius: var(--radius-md);
    padding: 2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.3rem;
    text-align: center;
}

.service-card img {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow);
    height: 190px;
    width: 100%;
    object-fit: cover;
}

.service-card p {
    color: var(--text-muted);
}

.contact {
    background: linear-gradient(135deg, rgba(57, 217, 138, 0.2), rgba(7, 39, 22, 0.4));
}

.contact-content {
    display: grid;
    justify-items: center;
    gap: 2rem;
    text-align: center;
}

.contact-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.4rem;
    margin: 0;
}

.contact-content span {
    color: var(--brand);
}

.contact-details {
    display: grid;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-details a:hover {
    color: var(--brand);
}

.site-footer {
    background: rgba(5, 13, 10, 0.95);
    border-top: 1px solid var(--border);
    padding: 3.5rem 0 2.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.5rem;
}

.footer-content h3 {
    font-family: 'Poppins', sans-serif;
    margin-top: 0;
}

.footer-content a {
    display: block;
    color: var(--text-muted);
    margin-top: 0.6rem;
}

.footer-content a:hover {
    color: var(--brand);
}

.footer-bottom {
    margin-top: 3rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.scroll-top {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(120deg, var(--brand), #6ffdba);
    color: #052d1f;
    font-size: 1.5rem;
    display: grid;
    place-items: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(15px);
    transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top:hover {
    box-shadow: 0 16px 30px rgba(57, 217, 138, 0.35);
}

body.no-scroll {
    overflow: hidden;
}

@media (max-width: 1180px) {
    .about-layout,
    .mission-grid,
    .highlight-grid,
    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero {
        padding: 6rem 0 3.5rem;
    }

    .hero-main {
        min-height: auto;
    }
}

@media (max-width: 900px) {
    .site-header {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }

    .nav-toggle {
        display: flex;
        position: relative;
        z-index: 41;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        width: 100vw;
        min-height: 100svh;
        min-height: 100dvh;
        background: rgba(7, 19, 15, 0.97);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: 2rem;
        padding: calc(env(safe-area-inset-top, 0px) + 6rem) 1.5rem calc(env(safe-area-inset-bottom, 0px) + 2.5rem);
        overflow-y: auto;
        transform: scale(0.97);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: 40;
    }

    .nav-links.open {
        opacity: 1;
        transform: scale(1);
        pointer-events: auto;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

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

    .hero-text {
        text-align: center;
        margin: 0 auto;
    }

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

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

    .about-layout {
        grid-template-columns: 1fr;
    }

    .mission {
        padding: 3rem 2rem;
    }

    .mission-grid {
        grid-template-columns: 1fr;
    }

    .highlight-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .topbar .container {
        justify-content: center;
        gap: 1rem;
    }

    .hero {
        padding-top: 5.5rem;
    }

    .hero-text h1 {
        font-size: clamp(2.5rem, 10vw, 3.6rem);
    }

    .mission,
    .highlight-card,
    .service-card {
        padding: 2rem 1.6rem;
    }

    .scroll-top {
        right: 1.2rem;
        bottom: 1.4rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}