:root {
    --black: #09090b;
    --black-soft: #111116;
    --panel: #17171d;
    --panel-light: #202028;
    --gold: #d7b46a;
    --gold-bright: #f0d892;
    --white: #ffffff;
    --grey: #b9bac3;
    --grey-dark: #777987;
    --line: rgba(255, 255, 255, 0.12);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--white);
    background: var(--black);
    line-height: 1.6;
}

body.menu-open {
    overflow: hidden;
}

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

img {
    max-width: 100%;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(115deg, rgba(215, 180, 106, 0.09), transparent 28%, rgba(255, 255, 255, 0.035) 48%, transparent 66%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 96px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 96px);
    opacity: 0.7;
    content: "";
}

body::after {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(9, 9, 11, 0.08), rgba(9, 9, 11, 0.84)),
        repeating-linear-gradient(105deg, transparent 0 34px, rgba(215, 180, 106, 0.045) 35px, transparent 36px 104px);
    animation: bgDrift 18s linear infinite;
    content: "";
}

.container {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    border-bottom: 1px solid var(--line);
    background: rgba(9, 9, 11, 0.9);
    backdrop-filter: blur(16px);
}

.nav-shell {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.brand img {
    width: 142px;
    height: auto;
    display: block;
}

.brand span {
    color: var(--grey);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-nav a {
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--grey);
    font-size: 14px;
    font-weight: 700;
    transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--white);
    background: rgba(215, 180, 106, 0.12);
    outline: none;
}

.menu-toggle {
    width: 44px;
    height: 44px;
    display: none;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    cursor: pointer;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
    width: 20px;
    height: 2px;
    display: block;
    border-radius: 2px;
    background: currentColor;
    content: "";
}

.menu-toggle span::before {
    transform: translateY(-7px);
}

.menu-toggle span::after {
    transform: translateY(5px);
}

.section {
    scroll-margin-top: 92px;
    padding: 92px 0;
}

.hero {
    position: relative;
    min-height: calc(100vh - 76px);
    display: grid;
    align-items: center;
    overflow: hidden;
    background:
        linear-gradient(120deg, rgba(9, 9, 11, 0.96), rgba(17, 17, 22, 0.86)),
        radial-gradient(circle at 76% 24%, rgba(215, 180, 106, 0.18), transparent 30%),
        linear-gradient(135deg, #09090b, #17171d 58%, #09090b);
}

.hero::before,
.hero::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: "";
}

.hero::before {
    background:
        linear-gradient(100deg, transparent 0 18%, rgba(215, 180, 106, 0.12) 30%, transparent 44%),
        linear-gradient(145deg, transparent 0 54%, rgba(255, 255, 255, 0.06) 55%, transparent 64%);
    transform: translateX(-16%);
    animation: heroLightSweep 12s ease-in-out infinite alternate;
}

.hero::after {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 78px 78px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.78), transparent 86%);
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.03fr 0.97fr;
    gap: 42px;
    align-items: center;
}

.hero-logo {
    width: min(340px, 78vw);
    height: auto;
    display: block;
    margin-bottom: 28px;
    filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.42));
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--gold-bright);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    letter-spacing: 0;
}

h1 {
    max-width: 760px;
    margin: 0 0 22px;
    font-size: clamp(42px, 7vw, 82px);
    line-height: 0.98;
}

h2 {
    margin: 0 0 14px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.08;
}

h3 {
    margin: 0 0 10px;
    font-size: 19px;
}

.hero-subtitle,
.section-heading p,
.about-panel p,
.feature-grid p,
.card-body p,
.policy-list p,
.contact-intro,
.site-footer p {
    color: var(--grey);
}

.hero-subtitle {
    max-width: 680px;
    margin: 0;
    font-size: clamp(17px, 2vw, 20px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 13px 20px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus {
    transform: translateY(-2px);
    outline: none;
}

.button-primary {
    background: var(--gold);
    color: #111116;
}

.button-secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
}

.hero-media {
    display: grid;
    gap: 18px;
}

.mini-video-card,
.collaboration-card,
.about-panel,
.feature-grid article,
.policy-list article,
.contact-form {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(180deg, var(--panel-light), var(--panel));
    box-shadow: var(--shadow);
}

.mini-video-card {
    overflow: hidden;
}

.mini-video-card img,
.visual-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 280ms ease, opacity 280ms ease;
}

.mini-video-card {
    aspect-ratio: 16 / 9;
    position: relative;
}

.mini-video-card::after,
.visual-frame::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(180deg, transparent 44%, rgba(9, 9, 11, 0.74)),
        linear-gradient(115deg, rgba(215, 180, 106, 0.12), transparent 48%);
    content: "";
}

.mini-video-card:hover img,
.collaboration-card:hover .visual-frame img {
    opacity: 0.94;
    transform: scale(1.035);
}

.mini-video-card span {
    position: absolute;
    left: 14px;
    bottom: 14px;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(9, 9, 11, 0.72);
    color: var(--white);
    font-size: 12px;
    font-weight: 800;
}

.about,
.privacy {
    background: var(--black-soft);
}

.section-heading {
    max-width: 800px;
    margin-bottom: 36px;
}

.section-heading p {
    margin-top: 0;
    font-size: 17px;
}

.about-layout {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 26px;
    align-items: start;
}

.about-panel {
    padding: 28px;
}

.about-panel p {
    margin: 0 0 18px;
    font-size: 17px;
}

.about-panel p:last-child {
    margin-bottom: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.feature-grid article,
.policy-list article {
    padding: 22px;
}

.feature-grid span,
.milestone {
    display: inline-flex;
    margin-bottom: 12px;
    color: var(--gold-bright);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.feature-grid p,
.card-body p,
.policy-list p {
    margin: 0;
    font-size: 15px;
}

.collaboration-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.collaboration-card {
    overflow: hidden;
}

.visual-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #050506;
    overflow: hidden;
}

.card-body {
    padding: 22px;
}

.policy-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 32px;
    align-items: start;
}

.contact-intro {
    margin: 0;
    font-size: 17px;
}

.contact-form {
    padding: 28px;
}

.form-row {
    display: grid;
    gap: 7px;
    margin-bottom: 18px;
}

label {
    color: var(--white);
    font-size: 14px;
    font-weight: 800;
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    font: inherit;
    padding: 13px 14px;
    outline: none;
}

textarea {
    min-height: 136px;
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: var(--gold);
    background: rgba(255, 255, 255, 0.09);
}

.form-alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 8px;
    font-weight: 700;
}

.form-alert.success {
    border: 1px solid rgba(89, 202, 139, 0.4);
    background: rgba(89, 202, 139, 0.12);
}

.form-alert.error {
    border: 1px solid rgba(215, 180, 106, 0.5);
    background: rgba(215, 180, 106, 0.12);
}

.site-footer {
    border-top: 1px solid var(--line);
    background: #050506;
    padding: 34px 0;
}

.footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-logo {
    width: 128px;
    height: auto;
    display: block;
    margin-bottom: 12px;
}

.site-footer p {
    margin: 0 0 4px;
    font-size: 14px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--grey);
    font-size: 14px;
    font-weight: 700;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--gold-bright);
    outline: none;
}

@media (max-width: 940px) {
    .brand span {
        display: none;
    }

    .hero-grid,
    .about-layout,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }
}

@media (max-width: 760px) {
    .menu-toggle {
        display: grid;
    }

    .site-nav {
        position: fixed;
        top: 76px;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-bottom: 1px solid var(--line);
        background: rgba(9, 9, 11, 0.98);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        padding: 14px 16px;
    }

    .section {
        padding: 72px 0;
    }

    .feature-grid,
    .collaboration-grid,
    .policy-list {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 520px) {
    .container {
        width: min(100% - 24px, 1160px);
    }

    .brand img {
        width: 118px;
    }

    .hero-actions,
    .button {
        width: 100%;
    }
}

@keyframes bgDrift {
    from {
        background-position: 0 0, 0 0;
    }

    to {
        background-position: 0 0, 220px 0;
    }
}

@keyframes heroLightSweep {
    from {
        transform: translateX(-18%);
        opacity: 0.55;
    }

    to {
        transform: translateX(12%);
        opacity: 0.9;
    }
}

@media (prefers-reduced-motion: reduce) {
    body::after,
    .hero::before {
        animation: none;
    }

    .mini-video-card img,
    .visual-frame img {
        transition: none;
    }
}