:root {
    --bg: #08101e;
    --surface: rgba(13, 26, 49, 0.82);
    --text: #f1f5f9;
    --muted: #9fb2cc;
    --line: rgba(170, 196, 230, 0.2);
    --accent: #22c55e;
    --max: 1180px;
    --shadow: 0 20px 70px rgba(2, 8, 23, 0.5);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Manrope", sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 10% 10%, #142f52, transparent 42%),
    radial-gradient(circle at 80% 15%, #0d3b4c, transparent 30%),
    linear-gradient(165deg, #050b15 0%, #08101e 55%, #071427 100%);
    min-height: 100vh;
    line-height: 1.5;
}

h1, h2, h3 {
    font-family: "Sora", sans-serif;
    margin: 0 0 12px;
    line-height: 1.18;
    letter-spacing: 0.01em;
}

p {
    margin: 0;
}

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

ul {
    margin: 0;
    padding-left: 1.1rem;
}

.container {
    width: min(var(--max), 92vw);
    margin-inline: auto;
}

.section {
    padding: 74px 0;
    scroll-margin-top: 96px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(159, 178, 204, 0.14);
    backdrop-filter: blur(14px);
    background: rgba(5, 11, 21, 0.7);
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 14px 0;
}

.topbar-controls {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.brand-logo {
    width: 46px;
    aspect-ratio: 1;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: linear-gradient(160deg, #1e293b, #0b1220);
    border: 1px solid var(--line);
}

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

.nav {
    display: flex;
    gap: 18px;
    color: #dce7f7;
    font-weight: 600;
}

.nav a {
    opacity: 0.85;
    transition: opacity 180ms ease;
}

.nav a:hover {
    opacity: 1;
}

.lang-switch {
    display: inline-flex;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(3, 10, 22, 0.6);
}

.lang-btn {
    border: 0;
    color: #d7e3f4;
    background: transparent;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 999px;
    cursor: pointer;
}

.lang-btn.active {
    color: #051014;
    background: linear-gradient(135deg, #5eead4, #22c55e);
}

.menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(9, 21, 38, 0.72);
    padding: 9px 8px;
    cursor: pointer;
}

.menu-btn span {
    display: block;
    height: 2px;
    border-radius: 999px;
    background: #d4e2f4;
    transition: transform 180ms ease, opacity 180ms ease;
}

.menu-btn span + span {
    margin-top: 6px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    z-index: 19;
    padding: 12px 4vw 16px;
    background: rgba(5, 11, 21, 0.96);
    border-bottom: 1px solid rgba(159, 178, 204, 0.18);
    backdrop-filter: blur(14px);
}

.mobile-nav a {
    display: block;
    padding: 12px 14px;
    margin-bottom: 8px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(9, 21, 38, 0.65);
    font-weight: 600;
}

.mobile-nav a:last-child {
    margin-bottom: 0;
}

.mobile-nav.open {
    display: block;
}

body.menu-open {
    overflow: hidden;
}

.hero {
    padding-top: 84px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 28px;
}

.eyebrow {
    color: #5eead4;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
    font-size: 0.75rem;
}

h1 {
    font-size: clamp(2rem, 4.2vw, 3.5rem);
    max-width: 16ch;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    max-width: 28ch;
}

.lead, .muted {
    color: var(--muted);
}

.lead {
    margin-top: 18px;
    max-width: 56ch;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 26px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 700;
    padding: 12px 18px;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #4ade80);
    color: #04110a;
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.3);
}

.btn-outline {
    border-color: var(--line);
    color: #d4e2f4;
    background: rgba(9, 21, 38, 0.6);
}

.metrics {
    list-style: none;
    padding: 0;
    margin: 34px 0 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(100px, 1fr));
    gap: 12px;
}

.metrics li {
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
}

.metrics strong {
    display: block;
    font-size: 1.45rem;
    font-family: "Sora", sans-serif;
}

.metrics span {
    color: var(--muted);
    font-size: 0.9rem;
}

.hero-panel,
.entity-card,
.service-card,
.plant-card,
.project-card,
.feature-box,
.contact-box {
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 24px;
}

.panel-title {
    font-size: 0.75rem;
    color: #5eead4;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
    font-weight: 700;
}

.hero-panel ul {
    margin-top: 14px;
    color: #d4e1f5;
    display: grid;
    gap: 10px;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.entity-grid {
    display: grid;
    gap: 14px;
}

.entity-card,
.service-card,
.plant-card,
.project-card {
    padding: 20px;
}

.entity-card p,
.plant-card p,
.project-card p {
    color: var(--muted);
}

.service-grid,
.plant-grid,
.project-grid {
    margin-top: 22px;
    display: grid;
    gap: 16px;
}

.service-grid {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
}

.plant-grid,
.project-grid {
    grid-template-columns: repeat(3, minmax(240px, 1fr));
}

.service-card ul,
.project-card ul {
    margin-top: 10px;
    display: grid;
    gap: 8px;
    color: #d4e1f5;
}

.feature {
    padding-top: 24px;
}

.feature-box {
    background: linear-gradient(160deg, rgba(13, 26, 49, 0.94), rgba(7, 18, 36, 0.95));
    padding: 28px;
}

.section-photo {
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.section-photo > .container {
    position: relative;
    z-index: 2;
}

.section-photo::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(145deg, rgba(3, 9, 19, 0.88), rgba(4, 12, 25, 0.86)),
        var(--section-image);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: saturate(0.95) contrast(1.05);
}

.section-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to bottom, rgba(7, 14, 27, 0.16), rgba(7, 14, 27, 0.48));
}

.about-photo {
    --section-image: url("https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?auto=format&fit=crop&w=1920&q=80");
}

.services-photo {
    --section-image: url("https://images.unsplash.com/photo-1429497419816-9ca5cfb4571a?auto=format&fit=crop&w=1920&q=80");
}

.production-photo {
    --section-image: url("https://images.unsplash.com/photo-1581092921461-eab62e97a780?auto=format&fit=crop&w=1920&q=80");
}

.projects-photo {
    --section-image: url("https://images.unsplash.com/photo-1596422846543-75c6fc197f07?auto=format&fit=crop&w=1920&q=80");
}

.contact-photo {
    --section-image: url("https://images.unsplash.com/photo-1542744173-8e7e53415bb0?auto=format&fit=crop&w=1920&q=80");
}

.feature-photo {
    --section-image: url("https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?auto=format&fit=crop&w=1920&q=80");
}

.contact-box {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 20px;
    padding: 26px;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-self: center;
}

.footer {
    border-top: 1px solid rgba(159, 178, 204, 0.18);
    padding: 24px 0 30px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 0.95rem;
}

.bg-orb {
    position: fixed;
    width: 460px;
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: -1;
}

.bg-orb-one {
    top: -180px;
    left: -130px;
    background: rgba(56, 189, 248, 0.16);
}

.bg-orb-two {
    right: -200px;
    bottom: -180px;
    background: rgba(34, 197, 94, 0.18);
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 500ms ease, transform 500ms ease;
}

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

.delay-1 {
    transition-delay: 120ms;
}

.delay-2 {
    transition-delay: 220ms;
}

@media (max-width: 980px) {
    .nav {
        display: none;
    }

    .menu-btn {
        display: block;
    }

    .hero-grid,
    .split,
    .service-grid,
    .plant-grid,
    .project-grid,
    .contact-box {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 42px;
    }

    .hero-actions .btn {
        flex: 1 1 220px;
    }

    .metrics {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }
}

@media (max-width: 620px) {
    .section {
        padding: 56px 0;
    }

    .topbar-inner {
        gap: 10px;
        padding: 10px 0;
    }

    .brand-text {
        display: none;
    }

    .brand-logo {
        width: 40px;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 0.82rem;
    }

    .hero {
        padding-top: 28px;
    }

    h1 {
        font-size: clamp(1.7rem, 8vw, 2.2rem);
    }

    h2 {
        font-size: clamp(1.3rem, 6vw, 1.7rem);
    }

    .hero-panel,
    .entity-card,
    .service-card,
    .plant-card,
    .project-card,
    .feature-box,
    .contact-box {
        border-radius: 16px;
    }

    .entity-card,
    .service-card,
    .plant-card,
    .project-card,
    .feature-box,
    .contact-box {
        padding: 16px;
    }

    .mobile-nav {
        top: 62px;
        padding: 10px 4vw 14px;
    }

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

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