:root {
    --ink: #030a11;
    --panel: #07131d;
    --panel-light: #0b1b28;
    --gold: #c99a46;
    --gold-light: #f3d58c;
    --cyan: #78bfd1;
    --text: #e9e2d3;
    --muted: #aaa291;
    --line: rgba(201, 154, 70, 0.5);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top, #102739, var(--ink) 44rem),
        var(--ink);
    font-family: Georgia, "Times New Roman", serif;
}

a {
    color: inherit;
}

.site-header {
    min-height: 76px;
    padding: 12px clamp(18px, 4vw, 60px);
    display: flex;
    align-items: center;
    gap: 32px;
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--line);
    background: rgba(3, 10, 17, 0.97);
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--gold-light);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--gold);
    border-radius: 50%;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 18px;
}

.brand small {
    margin-top: 3px;
    font-size: 9px;
    color: var(--gold);
}

nav {
    margin-left: auto;
    display: flex;
    gap: clamp(16px, 3vw, 36px);
}

nav a,
.back-button {
    color: var(--gold-light);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 12px;
}

.back-button {
    padding: 13px 20px;
    border: 1px solid var(--gold);
}

.hero {
    min-height: 720px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background-image:
        linear-gradient(
            90deg,
            rgba(2, 9, 15, 1) 0%,
            rgba(2, 9, 15, 0.94) 38%,
            rgba(2, 9, 15, 0.28) 72%,
            rgba(2, 9, 15, 0.52) 100%
        ),
        url("landing-concept.png");
    background-size: cover;
    background-position: center 68%;
}

.hero-shade {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(
            circle at 75% 45%,
            transparent,
            rgba(0, 0, 0, 0.3)
        ),
        linear-gradient(180deg, transparent 75%, var(--ink));
}

.hero-content {
    width: min(680px, 91%);
    margin-left: clamp(24px, 6vw, 96px);
    position: relative;
    z-index: 2;
}

.eyebrow {
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 13px;
}

h1 {
    margin: 20px 0;
    color: var(--gold-light);
    font-size: clamp(62px, 8vw, 112px);
    line-height: 0.92;
    font-weight: normal;
    text-transform: uppercase;
    text-shadow: 0 0 22px rgba(201, 154, 70, 0.28);
}

.hero-copy {
    max-width: 570px;
    font-size: clamp(19px, 2vw, 24px);
    line-height: 1.55;
}

.hero-actions {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.button {
    display: inline-block;
    padding: 14px 23px;
    border: 1px solid var(--gold);
    background: rgba(4, 15, 25, 0.88);
    color: var(--gold-light);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.button-gold {
    box-shadow:
        0 0 18px rgba(201, 154, 70, 0.25),
        inset 0 0 15px rgba(201, 154, 70, 0.08);
}

.intro {
    max-width: 920px;
    margin: 0 auto;
    padding: 80px 28px 58px;
    text-align: center;
}

.intro h2,
.collection h2 {
    color: var(--gold-light);
    font-size: clamp(33px, 4vw, 52px);
    font-weight: normal;
}

.intro p:last-child,
.collection p {
    color: var(--muted);
    font-size: 18px;
    line-height: 1.75;
}

.gates {
    padding: 25px clamp(20px, 5vw, 80px) 80px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.gate-card {
    min-height: 610px;
    display: grid;
    grid-template-columns: 48% 52%;
    border: 1px solid var(--line);
    background:
        linear-gradient(135deg, var(--panel-light), var(--panel));
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3);
}

.gate-image {
    min-height: 100%;
    position: relative;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.penguin-gate .gate-image {
    background-image:
        linear-gradient(180deg, transparent, rgba(2, 8, 14, 0.75)),
        url("gates/penguins-gate.jpg");
}

.patagonia-gate .gate-image {
    background-image:
        linear-gradient(180deg, transparent, rgba(2, 8, 14, 0.75)),
        url("gates/patagonia-gate.jpg");
}

.northern-gate .gate-image {
    background-image:
        linear-gradient(180deg, transparent, rgba(2, 8, 14, 0.75)),
        url("gates/northern-gate.jpg");
}

.eastern-gate .gate-image {
    background-image:
        linear-gradient(180deg, transparent, rgba(2, 8, 14, 0.75)),
        url("gates/eastern-gate.jpg");
}

.gate-number {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    position: absolute;
    top: 18px;
    left: 18px;
    border: 1px solid var(--gold);
    border-radius: 50%;
    color: var(--gold-light);
    background: rgba(3, 11, 18, 0.84);
    font-size: 22px;
}

.gate-body {
    padding: 38px 32px;
    display: flex;
    flex-direction: column;
}

.gate-direction {
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 12px;
}

.gate-body h2 {
    margin: 8px 0 14px;
    color: var(--gold-light);
    font-size: 34px;
    font-weight: normal;
}

.gate-body > p {
    color: var(--muted);
    line-height: 1.65;
}

.gate-body ul {
    padding-left: 20px;
    color: #c8c0ae;
    line-height: 1.7;
}

.gate-body a {
    margin-top: auto;
    color: var(--cyan);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    font-size: 13px;
}

.collection {
    margin: 0 clamp(20px, 5vw, 80px) 70px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 55px;
    border: 1px solid var(--line);
    background: rgba(5, 17, 27, 0.88);
}

.collection-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.collection-details article {
    min-height: 130px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(201, 154, 70, 0.3);
    text-align: center;
}

.collection-details strong {
    color: var(--gold-light);
    font-size: 38px;
    font-weight: normal;
}

.collection-details span {
    margin-top: 8px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 11px;
}

footer {
    padding: 30px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    text-align: center;
}

@media (max-width: 1050px) {
    .gates {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 720px) {
    .site-header {
        flex-wrap: wrap;
    }

    nav {
        width: 100%;
        order: 3;
        overflow-x: auto;
    }

    .back-button {
        margin-left: auto;
    }

    .hero {
        min-height: 640px;
        background-position: 65% center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .gate-card {
        grid-template-columns: 1fr;
    }

    .gate-image {
        min-height: 330px;
    }

    .collection,
    .gate-body {
        padding: 26px;
    }
}

.master-callout {
    margin: 0 clamp(20px, 5vw, 80px) 70px;
    min-height: 420px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    border: 1px solid var(--line);
    background: var(--panel);
}

.master-callout-art {
    background-image:
        linear-gradient(
            90deg,
            transparent,
            rgba(5, 17, 27, 0.86)
        ),
        url("landing-concept.png");
    background-size: cover;
    background-position: center;
}

.master-callout-copy {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.master-callout-copy h2 {
    margin: 10px 0;
    color: var(--gold-light);
    font-size: clamp(36px, 4vw, 58px);
    font-weight: normal;
}

.master-callout-copy p {
    color: var(--muted);
    line-height: 1.7;
    font-size: 18px;
}

@media (max-width: 1050px) {
    .master-callout {
        grid-template-columns: 1fr;
    }

    .master-callout-art {
        min-height: 360px;
    }
}

@media (max-width: 720px) {
    .master-callout-copy {
        padding: 26px;
    }
}