:root {
    --green: #16a34a;
    --green-dark: #087f36;
    --black: #111111;
    --gray: #666666;
    --light-gray: #f4f4f2;
    --border: #deded9;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--white);
    color: var(--black);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.site-header {
    width: 100%;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.96);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav {
    width: min(1180px, calc(100% - 40px));
    margin: auto;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.04em;
}

.logo span {
    color: var(--green);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
}

.nav-links a {
    color: #444;
}

.nav-links a:hover {
    color: var(--green);
}

.nav-event {
    background: var(--black);
    color: white !important;
    padding: 9px 14px;
    border-radius: 6px;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: auto;
}

.hero {
    min-height: calc(100vh - 68px);
    display: flex;
    align-items: center;
    padding: 90px 0;
}

.hero-inner {
    width: 100%;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--green-dark);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 22px;
}

.kicker::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
}

h1 {
    max-width: 900px;
    margin: 0;
    font-size: clamp(52px, 8vw, 104px);
    line-height: 0.95;
    letter-spacing: -0.075em;
    font-weight: 850;
}

h1 .green {
    color: var(--green);
}

.hero-description {
    max-width: 650px;
    margin: 30px 0 0;
    font-size: 19px;
    color: var(--gray);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid var(--black);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 750;
    transition:
        transform 0.15s ease,
        background 0.15s ease;
}

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

.button-primary {
    background: var(--black);
    color: white;
}

.button-primary:hover {
    background: var(--green);
    border-color: var(--green);
}

.button-green {
    background: var(--green);
    color: white;
    border-color: var(--green);
}

.button-green:hover {
    background: var(--green-dark);
}

.button-outline {
    background: white;
}

.countdown-section {
    padding: 70px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--light-gray);
}

.countdown-title {
    margin: 0 0 25px;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 760px;
}

.time-box {
    background: white;
    border: 1px solid var(--border);
    padding: 24px;
}

.time-number {
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1;
    font-weight: 850;
    letter-spacing: -0.05em;
}

.time-label {
    margin-top: 8px;
    color: var(--gray);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.expired {
    display: none;
    font-size: 24px;
    font-weight: 800;
}

.split-section {
    padding: 100px 0;
}

.section-heading {
    max-width: 700px;
    margin-bottom: 45px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(36px, 5vw, 62px);
    line-height: 1;
    letter-spacing: -0.06em;
}

.section-heading p {
    color: var(--gray);
    font-size: 17px;
    margin-top: 18px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.product-card {
    min-height: 390px;
    border: 1px solid var(--border);
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}

.product-card:hover {
    border-color: var(--green);
    transform: translateY(-3px);
}

.product-number {
    font-size: 13px;
    font-weight: 800;
    color: var(--green);
}

.product-card h3 {
    font-size: clamp(32px, 4vw, 50px);
    line-height: 0.98;
    letter-spacing: -0.06em;
    margin: 15px 0;
}

.product-card p {
    max-width: 500px;
    color: var(--gray);
}

.product-link {
    display: inline-flex;
    margin-top: 25px;
    color: var(--green-dark);
    font-weight: 800;
}

.big-event {
    background: var(--black);
    color: white;
    padding: 100px 0;
}

.big-event .section-heading p {
    color: #aaa;
}

.big-event h2 {
    max-width: 800px;
    font-size: clamp(42px, 6vw, 78px);
    line-height: 0.95;
    letter-spacing: -0.07em;
}

.big-event .button-outline {
    background: transparent;
    color: white;
    border-color: #555;
}

.page-hero {
    padding: 120px 0 80px;
    border-bottom: 1px solid var(--border);
}

.page-hero h1 {
    font-size: clamp(50px, 8vw, 90px);
    max-width: 900px;
}

.page-label {
    color: var(--green);
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.content {
    padding: 80px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.content h2 {
    margin-top: 0;
    font-size: 34px;
    letter-spacing: -0.04em;
}

.content p {
    color: var(--gray);
    font-size: 17px;
}

.info-list {
    border-top: 1px solid var(--border);
}

.info-row {
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.info-row strong {
    font-size: 14px;
}

.info-row span {
    color: var(--gray);
    text-align: right;
}

footer {
    border-top: 1px solid var(--border);
    padding: 30px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    color: #777;
    font-size: 13px;
}

@media (max-width: 760px) {
    .nav {
        min-height: 62px;
    }

    .nav-links {
        gap: 10px;
    }

    .nav-links a:not(.nav-event) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 85px 0;
    }

    .hero-description {
        font-size: 17px;
    }

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

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

    .product-card {
        min-height: 320px;
    }

    .page-hero {
        padding: 80px 0 60px;
    }

    .footer-inner {
        flex-direction: column;
    }
}