:root {
    --bg: #0b0b0b;
    --bg-soft: #121212;
    --text: #f5f1ea;
    --text-dark: #111111;
    --muted: #a8a29b;
    --muted-dark: #6f6a63;
    --line: #252525;
    --line-light: #e9e3db;
    --surface: #ffffff;
    --surface-soft: #f7f4ef;
    --container: 1180px;
    --radius: 18px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    background: var(--surface);
    color: var(--text-dark);
    line-height: 1.6;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

button {
    border: none;
    background: none;
    cursor: pointer;
}

img,
video {
    display: block;
    max-width: 100%;
}

.container {
    width: min(100% - 48px, var(--container));
    margin: 0 auto;
}

.section {
    padding: 110px 0;
}

.center {
    text-align: center;
}

h1,
h2,
h3,
h4 {
    font-family: "Cormorant Garamond", serif;
    font-weight: 600;
    line-height: 0.95;
    letter-spacing: -0.03em;
}

h1 {
    font-size: clamp(3.8rem, 7vw, 5.8rem);
    color: var(--text);
    margin-bottom: 18px;
}

h2 {
    font-size: clamp(2.4rem, 4vw, 4rem);
}

h3 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.accent-italic {
    font-style: italic;
    font-weight: 500;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted-dark);
}

.eyebrow.light {
    color: rgba(255, 255, 255, 0.62);
}


/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.25em;
}

.nav-links {
    display: flex;
    gap: 28px;
    color: rgba(255, 255, 255, 0.74);
    font-size: 0.94rem;
}

.nav-links a:hover {
    color: #fff;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-register-btn {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.88rem;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.nav-register-btn:hover {
    background: #fff;
    color: #000;
}

.language-switcher {
    position: relative;
}

.lang-toggle {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    background: transparent;
    padding: 0;
    transition: all 0.3s ease;
}

.lang-toggle img {
    width: 17px;
    height: 17px;
    object-fit: contain;
    filter: invert(1);
    display: block;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.05);
}

.lang-dropdown {
    position: absolute;
    top: 46px;
    right: 0;
    min-width: 120px;
    background: #111;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 6px;
    z-index: 200;
}

.lang-dropdown.show {
    display: flex;
}

.lang-option {
    color: #fff;
    background: transparent;
    text-align: left;
    padding: 10px 12px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.08);
}


/* Reveal */

.reveal,
.reveal-left,
.reveal-right,
.reveal-up {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-60px);
}

.reveal-right {
    transform: translateX(60px);
}

.reveal-up {
    transform: translateY(20px);
}

.reveal.active,
.reveal-left.active,
.reveal-right.active,
.reveal-up.active {
    opacity: 1;
    transform: translate(0, 0);
}


/* Hero */

.sample-hero {
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.05), transparent 38%), linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)), #060606;
    text-align: center;
    padding: 110px 0 120px;
}

.sample-hero .hero-inner {
    max-width: 760px;
}

.sample-hero p {
    max-width: 620px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.74);
    font-size: 1rem;
}


/* Sample section */

.sample-section {
    background: var(--surface-soft);
    padding: 80px 0 60px;
}

.sample-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    margin-bottom: 54px;
}

.sample-card {
    border: 1px solid var(--line-light);
    background: #fff;
    padding: 22px;
    min-height: 100%;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.sample-card:hover {
    transform: translateY(-8px);
    border-color: #ddd5ca;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.06);
}

.sample-card video {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    margin-bottom: 18px;
    border-radius: 12px;
    background: #ddd;
}

.sample-video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border: 1px solid var(--line-light);
    border-radius: 12px;
    background: linear-gradient(135deg, #f8f5ef, #e9e3db);
    color: var(--muted-dark);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    padding: 18px;
}

.sample-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.sample-card p {
    color: var(--muted-dark);
    font-size: 0.95rem;
}

.youtube-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 14px;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid var(--line-light);
    border-radius: 8px;
    color: #111;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.youtube-link:hover {
    background: #111;
    border-color: #111;
    color: #fff;
}

.youtube-link[aria-disabled="true"] {
    color: var(--muted-dark);
    pointer-events: none;
}


/* CTA box */

.sample-cta-box {
    border: 1px solid var(--line-light);
    background: #fff;
    text-align: center;
    padding: 48px 32px;
}

.sample-cta-box h2 {
    margin-bottom: 12px;
}

.sample-cta-box p {
    max-width: 620px;
    margin: 0 auto 24px;
    color: var(--muted-dark);
}

.sample-btn-row {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: 0.25s ease;
    border: 1px solid transparent;
}

.btn-dark {
    background: #111;
    color: #fff;
}

.btn-dark:hover {
    background: #000;
}

.btn-outline-dark {
    border-color: var(--line-light);
    color: #111;
    background: transparent;
}

.btn-outline-dark:hover {
    background: #111;
    color: #fff;
    border-color: #111;
}


/* Footer */

.site-footer {
    background: #0a0a0a;
    color: rgba(255, 255, 255, 0.76);
    padding: 80px 0 26px;
    margin-top: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 34px;
    padding-bottom: 42px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: inline-block;
    color: #fff;
    font-size: 1rem;
    letter-spacing: 0.2em;
    font-weight: 600;
    margin-bottom: 18px;
}

.footer-logo span {
    opacity: 0.7;
}

.site-footer h4 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.site-footer ul {
    list-style: none;
}

.site-footer li {
    margin-bottom: 10px;
}

.footer-bottom {
    padding-top: 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 18px;
}


/* Responsive */

@media (max-width: 1100px) {
    .sample-grid,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sample-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .nav {
        flex-direction: column;
        justify-content: center;
        padding: 18px 0;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .section {
        padding: 82px 0;
    }
    .container {
        width: min(100% - 32px, var(--container));
    }
    .sample-hero {
        padding: 90px 0 90px;
    }
    .sample-cta-box {
        padding: 34px 20px;
    }
}