:root {
    --bg: #0f172a;
    --bg-alt: #f1f5f9;
    --text: #0f172a;
    --muted: #475569;
    --accent: #2563eb;
    --accent-2: #16a34a;
    --accent-light: rgba(37, 99, 235, 0.1);
    --border: rgba(15, 23, 42, 0.08);
    --radius: 16px;
    --radius-sm: 12px;
    --max-width: 1120px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #ffffff;
    color: var(--text);
    line-height: 1.6;
}

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

a:hover {
    color: var(--accent);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.container {
    width: min(100% - 3rem, var(--max-width));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
    background: rgba(241, 245, 249, 0.9);
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.55rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
}

.lang-switch__btn {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--muted);
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.lang-switch__btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.lang-switch__btn.is-active {
    background: var(--accent);
    color: #fff;
}

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

.brand__logo {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list a {
    font-weight: 500;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.nav-toggle__line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin-block: 5px;
    transition: transform 0.3s ease;
}

.hero {
    padding: 5.5rem 0 4rem;
    background: linear-gradient(160deg, rgba(37, 99, 235, 0.15) 0%, rgba(22, 163, 74, 0.12) 60%, #ffffff 100%);
}

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

.hero__content h1 {
    font-size: clamp(2.5rem, 6vw, 3.25rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero__eyebrow {
    display: inline-block;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    margin-bottom: 1.25rem;
    color: var(--accent);
}

.hero__lead {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 540px;
}

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

.hero__stats {
    display: grid;
    gap: 1rem;
}

.stat-card {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    display: grid;
    gap: 0.25rem;
}

.stat-card__value {
    font-size: 1.25rem;
    font-weight: 600;
}

.stat-card__label {
    color: var(--muted);
    font-size: 0.95rem;
}

.section {
    padding: 4.5rem 0;
}

.section h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

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

.section--gradient {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.16), rgba(22, 163, 74, 0.16));
}

.section__grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    align-items: start;
}

.section__intro p {
    color: var(--muted);
    font-size: 1.05rem;
}

.section__details {
    display: grid;
    gap: 1.75rem;
}

.detail h3 {
    margin-bottom: 0.5rem;
}

.detail p {
    margin: 0;
    color: var(--muted);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.card {
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px -24px rgba(15, 23, 42, 0.4);
}

.timeline {
    display: grid;
    gap: 1.5rem;
}

.timeline__item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    padding: 1.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
}

.timeline__step {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-light);
    color: var(--accent);
    display: grid;
    place-items: center;
    font-weight: 600;
}

.timeline__item h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.feature {
    display: grid;
    gap: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 3rem;
    background: rgba(255, 255, 255, 0.9);
    align-items: center;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature__highlight {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(22, 163, 74, 0.2));
    position: relative;
    overflow: hidden;
}

.feature__highlight::after {
    content: "";
    position: absolute;
    inset: 12%;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    background: rgba(255, 255, 255, 0.4);
}
.scenic {
    position: relative;
}

.scenic__grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
}

.scenic__content p {
    color: var(--muted);
    max-width: 540px;
}

.scenic__note {
    font-weight: 500;
    color: var(--text);
}

.scenic__visual {
    position: relative;
    width: 100%;
    aspect-ratio: 5 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.18), rgba(15, 23, 42, 0.45));
}

.sun {
    position: absolute;
    top: 15%;
    right: 20%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.9), rgba(253, 224, 71, 0.4));
}

.mountain {
    position: absolute;
    bottom: 20%;
    width: 160%;
    height: 70%;
    transform: translateX(-30%);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0));
    clip-path: polygon(0% 100%, 14% 40%, 28% 55%, 45% 25%, 62% 60%, 80% 38%, 100% 100%);
}

.mountain--2 {
    bottom: 12%;
    left: 10%;
    width: 150%;
    height: 65%;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.6), rgba(15, 23, 42, 0));
    clip-path: polygon(0% 100%, 16% 45%, 32% 58%, 48% 22%, 66% 58%, 82% 50%, 100% 100%);
}

.mountain--3 {
    bottom: 5%;
    left: 20%;
    width: 140%;
    height: 60%;
    background: linear-gradient(180deg, rgba(22, 163, 74, 0.55), rgba(15, 23, 42, 0));
    clip-path: polygon(0% 100%, 20% 60%, 38% 66%, 56% 35%, 72% 62%, 88% 52%, 100% 100%);
}

.ground {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 25%;
    background: linear-gradient(180deg, rgba(22, 163, 74, 0.7), rgba(21, 128, 61, 0.9));
}

.contact {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.contact__details {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
    display: grid;
    gap: 1rem;
}

.contact__label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 0.35rem;
.contact__cta {
    display: grid;
    gap: 1rem;
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
}

.contact__note {
    margin: 0;
    color: var(--muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.6rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
}

.btn--primary:hover {
    box-shadow: 0 18px 36px -18px rgba(37, 99, 235, 0.7);
    transform: translateY(-2px);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.6);
    color: var(--accent);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.btn--ghost:hover {
    background: rgba(37, 99, 235, 0.08);
}

.site-footer {
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--border);
    background: #fff;
}

.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

@media (max-width: 960px) {
    .hero .container,
    .section__grid,
    .feature,
    .contact,
    .scenic__grid {
        grid-template-columns: 1fr;
    }

    .hero__stats {
        grid-auto-flow: column;
        grid-auto-columns: minmax(0, 1fr);
    }

    .scenic__visual {
        aspect-ratio: 3 / 2;
    }
}

@media (max-width: 720px) {
    .site-header .container {
        flex-wrap: wrap;
        padding: 1rem 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-list {
        position: absolute;
        top: 100%;
        right: 1.5rem;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        min-width: 220px;
        transform: scale(0.95);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

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

    .lang-switch {
        width: 100%;
        justify-content: center;
        order: 3;
    }

    .hero {
        padding-top: 4rem;
    }

    .hero__actions {
        width: 100%;
    }

    .hero__stats {
        grid-auto-flow: row;
    }

    .feature {
        padding: 2.25rem;
    }
}

@media (max-width: 540px) {
    body {
        font-size: 0.95rem;
    }

    .container {
        width: min(100% - 2rem, var(--max-width));
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .stat-card,
    .card,
    .timeline__item,
    .contact__cta,
    .feature {
        padding: 1.5rem;
    }

    .feature__highlight {
        aspect-ratio: 3 / 2;
    }

    .scenic__visual {
        aspect-ratio: 4 / 3;
    }
}