:root {
    --chido-dark: #0d0e10;
    --chido-dark-2: #17181c;
    --chido-ink: #17130f;
    --chido-muted: #6f665b;
    --chido-gold: #c99a3e;
    --chido-gold-2: #f3d48a;
    --chido-red: #a83228;
    --chido-cream: #f7f1e8;
    --chido-white: #ffffff;
    --chido-border: rgba(23, 19, 15, 0.12);
    --chido-shadow: 0 26px 70px rgba(13, 14, 16, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--chido-cream);
    color: var(--chido-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.7;
}

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

.chido-skip-link {
    position: absolute;
    left: -999px;
    top: 12px;
    background: var(--chido-gold);
    color: var(--chido-dark);
    padding: 10px 14px;
    z-index: 9999;
    border-radius: 999px;
}

.chido-skip-link:focus {
    left: 12px;
}

.chido-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(13, 14, 16, 0.9);
    color: var(--chido-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
    transition: background 0.25s ease, box-shadow 0.25s ease;
}

body.admin-bar .chido-header {
    top: 32px;
}

.chido-header.is-scrolled {
    background: rgba(13, 14, 16, 0.96);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.chido-nav-wrap {
    width: min(1180px, calc(100% - 32px));
    min-height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.chido-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.chido-brand-mark,
.chido-footer-mark {
    width: 48px;
    height: 48px;
    display: inline-grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--chido-gold), var(--chido-gold-2));
    color: var(--chido-dark);
    font-weight: 900;
    font-size: 26px;
    box-shadow: 0 12px 30px rgba(201, 154, 62, 0.28);
}

.chido-brand-text {
    display: grid;
    line-height: 1.1;
}

.chido-brand-text strong {
    font-size: 17px;
    letter-spacing: 0.08em;
}

.chido-brand-text small {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 11px;
    letter-spacing: 0.18em;
}

.chido-main-menu {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
    letter-spacing: 0.04em;
}

.chido-main-menu a {
    color: rgba(255, 255, 255, 0.82);
    transition: color 0.2s ease;
}

.chido-main-menu a:hover {
    color: var(--chido-gold-2);
}

.chido-nav-cta {
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--chido-gold);
    color: var(--chido-dark) !important;
    font-weight: 800;
}

.chido-menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    background: transparent;
    color: var(--chido-white);
    padding: 12px;
}

.chido-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--chido-white);
}

.chido-menu-toggle em {
    position: absolute;
    left: -9999px;
}

.chido-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.chido-section {
    padding: 96px 0;
}

.chido-section-alt {
    background: #fffaf1;
}

.chido-section-dark {
    background: var(--chido-dark);
    color: var(--chido-white);
}

.chido-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--chido-gold);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.chido-eyebrow::before {
    content: "";
    width: 34px;
    height: 2px;
    background: var(--chido-gold);
}

.chido-title {
    margin: 14px 0 18px;
    font-size: clamp(34px, 5vw, 62px);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.chido-title span {
    color: var(--chido-gold);
}

.chido-lead {
    max-width: 780px;
    color: var(--chido-muted);
    font-size: 18px;
}

.chido-section-dark .chido-lead {
    color: rgba(255, 255, 255, 0.72);
}

.chido-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.chido-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 13px 22px;
    border-radius: 999px;
    font-weight: 900;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.chido-btn-primary {
    background: var(--chido-gold);
    color: var(--chido-dark);
    box-shadow: 0 18px 36px rgba(201, 154, 62, 0.28);
}

.chido-btn-ghost {
    border-color: rgba(255, 255, 255, 0.22);
    color: var(--chido-white);
}

.chido-btn-light {
    border-color: var(--chido-border);
    background: var(--chido-white);
    color: var(--chido-ink);
}

.chido-hero {
    position: relative;
    min-height: calc(100vh - 78px);
    display: grid;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 20%, rgba(201, 154, 62, 0.26), transparent 28%),
        radial-gradient(circle at 20% 80%, rgba(168, 50, 40, 0.24), transparent 30%),
        var(--chido-dark);
    color: var(--chido-white);
}

.chido-hero::after {
    content: "TAEKWONDO";
    position: absolute;
    right: -80px;
    bottom: 40px;
    color: rgba(255, 255, 255, 0.045);
    font-size: clamp(80px, 16vw, 220px);
    font-weight: 950;
    letter-spacing: 0.04em;
    writing-mode: vertical-rl;
}

.chido-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 56px;
    padding: 90px 0;
}

.chido-hero h1 {
    margin: 18px 0;
    font-size: clamp(46px, 8vw, 92px);
    line-height: 0.96;
    letter-spacing: -0.06em;
}

.chido-hero h1 span {
    color: var(--chido-gold-2);
}

.chido-hero p {
    max-width: 690px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 19px;
}

.chido-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 42px;
}

.chido-stat {
    padding: 22px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chido-stat strong {
    display: block;
    color: var(--chido-gold-2);
    font-size: 34px;
    line-height: 1;
}

.chido-stat small {
    color: rgba(255, 255, 255, 0.64);
}

.chido-hero-card {
    position: relative;
    min-height: 520px;
    border-radius: 40px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02)),
        var(--chido-dark-2);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--chido-shadow);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.chido-hero-card::before {
    content: "";
    position: absolute;
    inset: 28px;
    border: 1px solid rgba(201, 154, 62, 0.38);
    border-radius: 30px;
}

.chido-hero-symbol {
    position: relative;
    z-index: 1;
    width: 240px;
    height: 240px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--chido-gold), var(--chido-gold-2));
    color: var(--chido-dark);
    font-size: 132px;
    font-weight: 950;
    box-shadow: 0 28px 90px rgba(201, 154, 62, 0.28);
}

.chido-card-grid,
.chido-news-grid,
.chido-partner-grid,
.chido-value-grid {
    display: grid;
    gap: 22px;
}

.chido-value-grid {
    grid-template-columns: repeat(4, 1fr);
}

.chido-partner-grid {
    grid-template-columns: repeat(3, 1fr);
}

.chido-news-grid {
    grid-template-columns: repeat(4, 1fr);
}

.chido-card {
    padding: 28px;
    border-radius: 28px;
    background: var(--chido-white);
    border: 1px solid var(--chido-border);
    box-shadow: 0 18px 50px rgba(23, 19, 15, 0.07);
}

.chido-card-dark {
    background: var(--chido-dark-2);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--chido-white);
}

.chido-card h3 {
    margin: 0 0 10px;
    font-size: 22px;
}

.chido-card p {
    margin: 0;
    color: var(--chido-muted);
}

.chido-card-dark p {
    color: rgba(255, 255, 255, 0.66);
}

.chido-about-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 54px;
    align-items: center;
}

.chido-year-box {
    padding: 42px;
    border-radius: 34px;
    background: var(--chido-dark);
    color: var(--chido-white);
    box-shadow: var(--chido-shadow);
}

.chido-year-box strong {
    display: block;
    color: var(--chido-gold-2);
    font-size: clamp(72px, 10vw, 132px);
    line-height: 1;
}

.chido-featured {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 36px;
    align-items: center;
    padding: 38px;
    border-radius: 34px;
    background: var(--chido-dark);
    color: var(--chido-white);
    overflow: hidden;
}

.chido-featured-badge {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--chido-red);
    color: var(--chido-white);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.chido-cta {
    position: relative;
    overflow: hidden;
    padding: 90px 0;
    background:
        radial-gradient(circle at 20% 10%, rgba(201, 154, 62, 0.24), transparent 30%),
        var(--chido-dark);
    color: var(--chido-white);
}

.chido-cta-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 34px;
    align-items: center;
}

.chido-form {
    display: grid;
    gap: 14px;
}

.chido-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.chido-form input,
.chido-form textarea,
.chido-form select {
    width: 100%;
    min-height: 50px;
    border: 1px solid var(--chido-border);
    border-radius: 16px;
    padding: 12px 14px;
    background: var(--chido-white);
    color: var(--chido-ink);
}

.chido-form textarea {
    min-height: 140px;
    resize: vertical;
}

.chido-contact-grid {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 28px;
}

.chido-page-hero {
    padding: 92px 0 70px;
    background:
        radial-gradient(circle at 82% 12%, rgba(201, 154, 62, 0.2), transparent 24%),
        var(--chido-dark);
    color: var(--chido-white);
}

.chido-page-hero p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.72);
}

.chido-footer {
    background: #08090b;
    color: var(--chido-white);
    padding: 70px 0 24px;
}

.chido-footer-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 34px;
}

.chido-footer h2,
.chido-footer h3,
.chido-footer p {
    margin-top: 0;
}

.chido-footer a,
.chido-footer p,
.chido-footer small {
    display: block;
    color: rgba(255, 255, 255, 0.68);
    margin-bottom: 8px;
}

.chido-footer a:hover {
    color: var(--chido-gold-2);
}

.chido-footer-bottom {
    width: min(1180px, calc(100% - 32px));
    margin: 42px auto 0;
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.54);
    font-size: 14px;
}

.chido-footer-bottom a {
    display: inline;
    margin-left: 14px;
}

@media (max-width: 1024px) {
    .chido-menu-toggle {
        display: inline-block;
        position: relative;
    }

    .chido-main-menu {
        position: fixed;
        left: 16px;
        right: 16px;
        top: 88px;
        display: grid;
        gap: 0;
        padding: 14px;
        background: rgba(13, 14, 16, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 24px;
        box-shadow: 0 26px 80px rgba(0, 0, 0, 0.35);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .chido-main-menu.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .chido-main-menu a {
        padding: 13px 12px;
        border-radius: 14px;
    }

    .chido-main-menu a:hover {
        background: rgba(255, 255, 255, 0.06);
    }

    .chido-hero-grid,
    .chido-about-grid,
    .chido-featured,
    .chido-contact-grid,
    .chido-cta-box {
        grid-template-columns: 1fr;
    }

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

    .chido-partner-grid,
    .chido-footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    body.admin-bar .chido-header {
        top: 46px;
    }

    .chido-brand-text small {
        display: none;
    }

    .chido-section {
        padding: 68px 0;
    }

    .chido-hero-grid {
        padding: 64px 0;
    }

    .chido-hero-card {
        min-height: 360px;
    }

    .chido-hero-symbol {
        width: 180px;
        height: 180px;
        font-size: 96px;
    }

    .chido-stats,
    .chido-value-grid,
    .chido-news-grid,
    .chido-partner-grid,
    .chido-form-grid,
    .chido-footer-inner {
        grid-template-columns: 1fr;
    }

    .chido-footer-bottom {
        flex-direction: column;
    }
}