:root {
    --nav-height: 80px;
    --container-max-width: 1280px;
    --color-primary: #C73515;
    --color-secondary: #E1B251;
    --color-text: #1d2736;
    --section-space: 80px;
    --section-space-mobile: 50px;
}

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

html, body {
    font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
    color: var(--color-text);
    background: #fff;
    word-break: keep-all;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

body *, body *::before, body *::after {
    word-break: keep-all;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

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

ul {
    list-style: none;
}

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

/* ── Header / Nav ───────────────────────────── */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: #fff;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
    z-index: 1000;
}

.site-nav-inner {
    max-width: var(--container-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-nav-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 100%;
}

.site-nav-logo img {
    height: 44px;
    width: auto;
}

.site-nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
}

.site-nav-menu ul {
    display: flex;
    align-items: center;
    gap: 36px;
}

.site-nav-menu a {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    transition: color .18s;
}

.site-nav-menu a:hover {
    color: var(--color-primary);
}

.site-nav-contact {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-nav-contact a {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    transition: color .18s;
}

.site-nav-contact a:hover {
    color: var(--color-primary);
}

/* ── Hero ───────────────────────────── */
.hero {
    position: relative;
    height: calc(100vh - var(--nav-height));
    margin-top: var(--nav-height);
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
    background: #0f172a;
}

.hero video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(12, 18, 29, 0.72) 0%, rgba(12, 18, 29, 0.45) 32%, rgba(12, 18, 29, 0.58) 100%);
    z-index: 1;
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: min(var(--container-max-width), calc(100% - 48px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(760px, 100%);
    text-align: left;
    padding-top: 20px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid rgba(225, 178, 81, 0.8);
    border-radius: 999px;
    background: rgba(225, 178, 81, 0.08);
    color: #f5d98a;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0;
}

.hero-line {
    display: block;
    font-size: clamp(32px, 5vw, 68px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: #ffffff;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.hero-line-accent {
    color: var(--color-secondary);
}

.hero-description {
    max-width: 720px;
    margin-top: 20px;
    font-size: clamp(15px, 1.5vw, 20px);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    padding: 0 24px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #c8891d 100%);
    color: #20180a;
    box-shadow: 0 12px 28px rgba(193, 137, 29, 0.28);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.32);
    color: #fff;
}

.about-intro {
    background: #fff;
}

.about-inner {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 56px;
}

.about-copy {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.section-kicker {
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.about-copy h2 {
    font-size: clamp(30px, 3vw, 46px);
    line-height: 1.2;
    letter-spacing: -0.04em;
    color: var(--color-text);
}

.about-copy p:last-child {
    font-size: 18px;
    line-height: 1.9;
    color: #48576a;
}

.about-highlight {
    color: var(--color-primary);
    font-weight: 900;
}

.about-media {
    display: flex;
    justify-content: center;
}

.about-media img {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 28px;
    box-shadow: 0 24px 60px rgba(28, 39, 54, 0.12);
}

.program-section {
    background: #f5f5f3;
}

.program-inner {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
    gap: 40px;
}

.program-media-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.program-media {
    display: flex;
    justify-content: center;
    width: 100%;
}

.program-media img {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 28px;
    box-shadow: 0 24px 60px rgba(28, 39, 54, 0.12);
}

.program-note {
    width: 100%;
    max-width: 500px;
    font-size: 14px;
    line-height: 1.8;
    color: #5d6979;
    text-align: left;
}

.program-content {
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 640px;
    justify-self: end;
}

.program-content h2 {
    font-size: clamp(28px, 2.5vw, 42px);
    line-height: 1.25;
    letter-spacing: -0.04em;
    color: var(--color-text);
}

.program-table {
    width: 100%;
    max-width: 640px;
    border: 1px solid rgba(199, 53, 21, 0.6);
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
}

.program-row {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    border-top: 1px solid rgba(199, 53, 21, 0.45);
}

.program-row:first-child {
    border-top: none;
}

.program-cell {
    padding: 16px 18px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
}

.program-head .program-cell {
    background: rgba(199, 53, 21, 0.06);
    color: var(--color-primary);
    font-weight: 900;
}

.program-name {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    border-right: 1px solid rgba(199, 53, 21, 0.45);
    font-weight: 700;
}

.program-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    color: var(--color-primary);
    font-size: 16px;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .program-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .program-row {
        grid-template-columns: 1fr;
    }

    .program-name {
        border-right: none;
        border-bottom: 1px solid rgba(199, 53, 21, 0.45);
    }
    .about-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .about-copy p:last-child {
        font-size: 16px;
    }
    .site-nav-menu {
        display: none;
    }

    .hero-inner {
        width: min(var(--container-max-width), calc(100% - 32px));
    }

    .hero-content {
        width: 100%;
        text-align: left;
    }

    .hero-description {
        margin-left: 0;
        margin-right: 0;
    }

    .hero-actions {
        justify-content: flex-start;
    }
}

section {
    padding-top: var(--section-space);
    padding-bottom: var(--section-space);
}

@media (max-width: 768px) {
    section {
        padding-top: var(--section-space-mobile);
        padding-bottom: var(--section-space-mobile);
    }
}

@media (max-width: 600px) {
    .site-nav-contact a span {
        display: none;
    }

    .hero {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-inner {
        width: calc(100% - 24px);
        justify-content: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-description {
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
        flex-direction: row;
        gap: 10px;
    }

    .btn {
        flex: 0 0 auto;
        width: 120px;
        min-width: 0;
        height: 40px;
        padding: 0 16px;
        font-size: 13px;
    }
}