:root {
    --arene-green: #5eb670;
    --arene-green-dark: #4ca05f;
    --arene-ink: #1e293b;
    --arene-ink-soft: #334155;
    --arene-slate: #475569;
    --arene-bg: #ffffff;
    --arene-bg-alt: #f0f5fa;
    --arene-line: #d1d5db;
    --arene-white: #ffffff;
    --arene-radius: 3px;
    --arene-maxw: 1160px;
    --font-display: "Dosis", sans-serif;
    --font-body: "Source Sans 3", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--arene-ink-soft);
    background: var(--arene-bg);
}

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

a {
    color: var(--arene-green);
    text-decoration: none;
}

a:hover {
    color: var(--arene-green-dark);
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--arene-green);
    line-height: 1.15;
    margin: 0 0 0.5em;
}

p {
    margin: 0 0 1.1em;
}

.arene-container {
    width: 100%;
    max-width: var(--arene-maxw);
    margin: 0 auto;
    padding: 0 24px;
}

.arene-btn {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--arene-white);
    background: var(--arene-green);
    border: 2px solid var(--arene-green);
    border-radius: var(--arene-radius);
    padding: 12px 26px;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.arene-btn:hover {
    background: var(--arene-green-dark);
    border-color: var(--arene-green-dark);
    color: var(--arene-white);
}

.arene-btn--ghost {
    background: transparent;
    color: var(--arene-white);
}

.arene-btn--ghost:hover {
    background: var(--arene-green);
    color: var(--arene-white);
}

.arene-topbar {
    background: var(--arene-ink);
    color: #cbd5e1;
    font-size: 14px;
}

.arene-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 42px;
}

.arene-topbar a {
    color: #cbd5e1;
}

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

.arene-topbar__contact {
    display: flex;
    align-items: center;
    gap: 22px;
}

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

.arene-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--arene-ink-soft);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.arene-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
    min-height: 96px;
}

.arene-logo {
    justify-self: center;
}

.arene-logo img {
    height: 64px;
    width: auto;
}

.arene-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 22px;
}

.arene-nav--left ul {
    justify-content: flex-end;
}

.arene-nav--right ul {
    justify-content: flex-start;
}

.arene-nav a {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--arene-white);
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.arene-nav a:hover {
    color: var(--arene-green);
    border-bottom-color: var(--arene-green);
}

.arene-burger {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

.arene-burger span {
    display: block;
    width: 26px;
    height: 3px;
    margin: 5px 0;
    background: var(--arene-white);
    border-radius: 2px;
}

.arene-hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    background: var(--arene-ink) center / cover no-repeat;
    color: var(--arene-white);
}

.arene-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.45) 55%, rgba(15, 23, 42, 0.25) 100%);
}

.arene-hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 48px;
    align-items: center;
    width: 100%;
    padding-top: 70px;
    padding-bottom: 70px;
}

.arene-hero__title {
    font-size: clamp(46px, 6vw, 80px);
    line-height: 1.02;
    color: var(--arene-white);
    text-transform: uppercase;
    margin-bottom: 18px;
}

.arene-hero__lead {
    font-size: 20px;
    max-width: 30ch;
    color: #e2e8f0;
    margin-bottom: 28px;
}

.arene-card-resa {
    background: rgba(15, 23, 42, 0.78);
    border: 1px solid rgba(94, 182, 112, 0.5);
    border-radius: 6px;
    padding: 30px 28px;
    backdrop-filter: blur(2px);
}

.arene-card-resa h2 {
    color: var(--arene-white);
    text-transform: uppercase;
    font-size: 26px;
    margin-bottom: 10px;
}

.arene-card-resa p {
    color: #cbd5e1;
    font-size: 16px;
}

.arene-card-resa .arene-btn {
    width: 100%;
    text-align: center;
    margin-top: 8px;
}

.arene-section {
    padding: 76px 0;
}

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

.arene-section__eyebrow {
    font-family: var(--font-display);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 14px;
    color: var(--arene-slate);
    margin-bottom: 10px;
}

.arene-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 54px;
    align-items: center;
}

.arene-split__media img {
    border-radius: 6px;
    width: 100%;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.14);
}

.arene-split__body h2 {
    font-size: 40px;
    text-transform: uppercase;
}

.arene-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 8px;
}

.arene-feature {
    background: var(--arene-ink-soft);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.16);
}

.arene-feature__media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.arene-feature__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.arene-feature__body {
    padding: 24px 24px 28px;
    color: #e2e8f0;
    font-size: 15.5px;
    line-height: 1.6;
    flex: 1;
}

.arene-feature__body h3 {
    text-transform: uppercase;
    font-size: 22px;
    margin-bottom: 12px;
}

.arene-partners {
    text-align: center;
}

.arene-partners__title {
    font-size: 52px;
    text-transform: uppercase;
    margin-bottom: 36px;
}

.arene-partners__logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
}

.arene-partners__logos span {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 22px;
    color: var(--arene-slate);
    opacity: 0.85;
}

.arene-hours {
    background: var(--arene-ink);
    color: var(--arene-white);
    border-radius: 10px;
    padding: 44px;
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.arene-hours h2 {
    color: var(--arene-white);
    text-transform: uppercase;
    font-size: 30px;
    margin-bottom: 26px;
}

.arene-hours__table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 28px;
}

.arene-hours__table td {
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 16px;
}

.arene-hours__table td:first-child {
    text-align: left;
    color: #cbd5e1;
}

.arene-hours__table td:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--arene-white);
}

.arene-footer {
    background: var(--arene-ink);
    color: #94a3b8;
    padding: 64px 0 0;
    font-size: 15px;
}

.arene-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 48px;
}

.arene-footer h4 {
    color: var(--arene-green);
    text-transform: uppercase;
    font-size: 18px;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
}

.arene-footer a {
    color: #cbd5e1;
}

.arene-footer a:hover {
    color: var(--arene-green);
}

.arene-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.arene-footer li {
    margin-bottom: 8px;
}

.arene-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 22px 0;
    text-align: center;
    font-size: 14px;
    color: #64748b;
}

@media (max-width: 960px) {
    .arene-hero__inner,
    .arene-split,
    .arene-footer__grid {
        grid-template-columns: 1fr;
    }

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

    .arene-footer__grid {
        gap: 30px;
    }
}

@media (max-width: 820px) {
    .arene-header__inner {
        grid-template-columns: auto 1fr auto;
        min-height: 76px;
    }

    .arene-logo {
        justify-self: start;
        order: -1;
    }

    .arene-logo img {
        height: 48px;
    }

    .arene-burger {
        display: block;
        justify-self: end;
    }

    .arene-nav {
        display: none;
        grid-column: 1 / -1;
    }

    .arene-nav.is-open {
        display: block;
        padding-bottom: 18px;
    }

    .arene-nav--left ul,
    .arene-nav--right ul {
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 4px;
    }

    .arene-nav a {
        display: block;
        padding: 10px 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .arene-topbar__contact {
        gap: 14px;
    }

    .arene-topbar__inner {
        font-size: 13px;
    }
}

@media (max-width: 540px) {
    body {
        font-size: 16px;
    }

    .arene-section {
        padding: 54px 0;
    }

    .arene-hours {
        padding: 32px 22px;
    }

    .arene-topbar__social {
        display: none;
    }
}