/* ============================================================
   ALL.CSS — 병합된 단일 스타일시트
   reset → variables → layout → components → pages → splash → footer
   ============================================================ */

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

html {
    scroll-behavior: smooth;
}

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

ul, ol {
    list-style: none;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ── variables ── */
:root {
    --bg: #FAFAFA;
    --text: #2B2B2B;
    --accent: #4A4A4A;
    --border: #E5E5E5;
    --white: #FFFFFF;

    --font-primary: 'Helvetica Neue', 'Arial', sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-md: 13px;
    --font-size-lg: 14px;
    --font-size-xl: 16px;

    --spacing-xs: 20px;
    --spacing-sm: 40px;
    --spacing-md: 60px;
    --spacing-lg: 100px;
    --spacing-xl: 150px;

    --max-width: 1200px;
    --header-height: 80px;
}

/* ── layout (header / nav) ── */
.header-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 3000;
    padding: 30px 30px;
    background: transparent;
    transition: all 0.3s;
    pointer-events: none;
}

.header-overlay.scrolled {
    background: rgba(250, 250, 250, 0.95);
    padding: 40px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    justify-content: space-between;
    display: grid;
    grid-template-columns: 30px 1fr 30px;
    align-items: center;
    padding: 0;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 3100;
    position: fixed;
    left: 55px;
    top: 30px;
    pointer-events: auto;
    transition: transform 0.4s;
    margin: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #2b2b2b;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 1px 3px rgba(255, 255, 255, 0.8));
}

.menu-toggle.active span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(-20px); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

.logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: auto;
}

.logo a { display: block; }

.logo img {
    height: 24px;
    width: auto;
    transition: opacity 0.3s;
    filter: drop-shadow(0 1px 4px rgba(255, 255, 255, 0.9));
}

.logo:hover img { opacity: 0.7; }

.header-spacer { width: 30px; }

.fullscreen-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    max-width: 450px;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.fullscreen-menu.active { left: 0; }

.menu-list {
    list-style: none;
    padding: 120px 60px 40px;
    margin: 0;
    flex: 1;
}

.menu-list li {
    margin-bottom: 30px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.4s;
}

.fullscreen-menu.active .menu-list li { opacity: 1; transform: translateX(0); }

.fullscreen-menu.active .menu-list li:nth-child(1) { transition-delay: 0.1s; }
.fullscreen-menu.active .menu-list li:nth-child(2) { transition-delay: 0.15s; }
.fullscreen-menu.active .menu-list li:nth-child(3) { transition-delay: 0.2s; }
.fullscreen-menu.active .menu-list li:nth-child(4) { transition-delay: 0.25s; }
.fullscreen-menu.active .menu-list li:nth-child(5) { transition-delay: 0.3s; }
.fullscreen-menu.active .menu-list li:nth-child(6) { transition-delay: 0.35s; }
.fullscreen-menu.active .menu-list li:nth-child(7) { transition-delay: 0.4s; }

.menu-list a {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.menu-list a:hover { opacity: 0.5; transform: translateX(10px); }

.menu-list .booking-item {
    margin-bottom: 35px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(43, 43, 43, 0.08);
}

.menu-list .booking-link {
    font-size: 26px !important;
    font-weight: 300 !important;
    letter-spacing: 2.5px !important;
}

.menu-list .booking-link:hover {
    opacity: 0.5 !important;
    transform: translateX(10px) !important;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.menu-overlay.active { opacity: 1; visibility: visible; }

.menu-footer {
    padding: 40px 60px 50px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--white);
}

.menu-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.info-block {
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s;
}

.fullscreen-menu.active .info-block:nth-child(1) { opacity: 1; transform: translateX(0); transition-delay: 0.5s; }
.fullscreen-menu.active .info-block:nth-child(2) { opacity: 1; transform: translateX(0); transition-delay: 0.55s; }
.fullscreen-menu.active .info-block:nth-child(3) { opacity: 1; transform: translateX(0); transition-delay: 0.6s; }

.info-label {
    display: block;
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.4;
    margin-bottom: 8px;
}

.info-block p {
    font-size: 11px;
    line-height: 1.8;
    opacity: 0.6;
    letter-spacing: 0.5px;
    margin: 0;
}

.menu-social {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s;
}

.fullscreen-menu.active .menu-social { opacity: 1; transform: translateX(0); transition-delay: 0.65s; }

.menu-social a {
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text);
    opacity: 0.5;
    transition: opacity 0.3s;
}

.menu-social a:hover { opacity: 1; }

.menu-copyright {
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s;
}

.fullscreen-menu.active .menu-copyright { opacity: 1; transform: translateX(0); transition-delay: 0.7s; }

.menu-copyright p { font-size: 9px; letter-spacing: 1px; opacity: 0.3; margin: 0; }

.fullscreen-menu::-webkit-scrollbar { width: 6px; }
.fullscreen-menu::-webkit-scrollbar-track { background: transparent; }
.fullscreen-menu::-webkit-scrollbar-thumb { background: rgba(43, 43, 43, 0.15); border-radius: 3px; }
.fullscreen-menu::-webkit-scrollbar-thumb:hover { background: rgba(43, 43, 43, 0.3); }

@media (max-width: 768px) {
    .header-overlay { padding: 20px 20px; }
    .header-overlay.scrolled { padding: 15px 20px; }
    .logo img { height: 20px; }
    .fullscreen-menu { max-width: 100%; }
    .menu-list { padding: 100px 40px 30px; }
    .menu-list a { font-size: 22px; }
    .menu-footer { padding: 30px 40px 40px; }
    .menu-info { gap: 25px; margin-bottom: 30px; }
    .menu-social { gap: 15px; flex-wrap: wrap; }
}

/* ── components ── */
.btn {
    display: inline-block;
    padding: 15px 30px;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 1px solid var(--text);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 300;
}

.btn:hover { background: var(--text); color: var(--bg); }

.text-uppercase { text-transform: uppercase; letter-spacing: 2px; }
.text-center { text-align: center; }
.text-muted { opacity: 0.7; }

.logo img { height: 45px; width: auto; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ── pages/index ── */
.hero-fullscreen {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.hero-media-container {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}

.hero-media-item {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
}

.hero-media-item.active { opacity: 1; }
.hero-media-item.image-type { transition: opacity 1.5s ease-in-out; }
.hero-media-item.video-type { transition: none; }

.hero-image {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    filter: grayscale(30%);
}

.hero-video {
    position: absolute;
    top: 50%; left: 50%;
    min-width: 100%; min-height: 100%;
    width: auto; height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    filter: grayscale(30%);
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #FFFFFF;
}

.hero-content h1 {
    font-size: 22px;
    letter-spacing: 6px;
    margin-bottom: 20px;
    font-weight: 300;
    text-transform: uppercase;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: var(--font-size-lg);
    letter-spacing: 2px;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.intro { padding: var(--spacing-xl) 0; }

.intro-text {
    font-size: var(--font-size-md);
    line-height: 2;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.video-section {
    padding: var(--spacing-xl) 0;
    overflow: hidden;
    display: block !important;
}

.video-section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.video-section-header h2 {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 300;
    opacity: 0.6;
    position: relative;
    display: inline-block;
}

.video-section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 1px;
    background: var(--text);
    opacity: 0.3;
}

.video-slider-wrap {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

.video-slider { overflow: hidden; width: 100%; }

.video-track {
    display: flex;
    gap: 20px;
    transition: transform 0.4s ease;
}

.video-slide {
    flex: 0 0 calc(33.333% - 14px);
    cursor: pointer;
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #000;
}

.video-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: all 0.4s;
    display: block;
}

.video-play-btn {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 60px; height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--text);
    transition: all 0.3s;
    padding-left: 4px;
}

.video-slide:hover .video-thumb img { filter: grayscale(0%); transform: scale(1.03); }
.video-slide:hover .video-play-btn { background: rgba(255, 255, 255, 1); transform: translate(-50%, -50%) scale(1.1); }

.video-title {
    font-size: var(--font-size-xs);
    text-align: center;
    margin-top: 12px;
    opacity: 0.6;
    letter-spacing: 1px;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: 1px solid var(--border);
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: var(--text);
    opacity: 0.5;
    transition: all 0.3s;
    z-index: 2;
}

.slider-arrow:hover { opacity: 1; border-color: var(--text); }
.slider-arrow.prev { left: 10px; }
.slider-arrow.next { right: 10px; }
.slider-arrow.disabled { opacity: 0.2; cursor: default; }

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-md);
}

.slider-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.slider-dot.active { background: var(--text); width: 20px; border-radius: 3px; }

.youtube-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.youtube-modal.active { display: flex; }

.youtube-modal .modal-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.youtube-modal .modal-content {
    position: relative;
    z-index: 1;
    width: 90vw;
    max-width: 900px;
}

.youtube-modal .modal-close {
    position: absolute;
    top: -45px; right: 0;
    background: none; border: none;
    color: var(--white);
    font-size: 30px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.youtube-modal .modal-close:hover { opacity: 1; }

.youtube-wrap { position: relative; padding-bottom: 56.25%; height: 0; }

.youtube-wrap iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
}

.youtube-modal-title {
    color: var(--white);
    text-align: center;
    font-size: var(--font-size-xs);
    letter-spacing: 1px;
    opacity: 0.7;
    margin-top: 15px;
}

.index-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.5;
    animation: bounce 2s infinite;
}

.scroll-indicator span { font-size: 10px; letter-spacing: 3px; color: var(--white); }

.scroll-line { width: 1px; height: 40px; background: var(--white); animation: scrollLine 2s infinite; }

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes scrollLine {
    0% { height: 0; }
    50% { height: 40px; }
    100% { height: 0; }
}

.index-about {
    background: #000;
    color: var(--white);
    min-height: auto;
    padding: var(--spacing-xl) 0;
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.about-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    min-height: 60vh;
}

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

.about-row .about-image { order: 1; }
.about-row .about-text { order: 2; }
.about-row.reverse .about-image { order: 2; }
.about-row.reverse .about-text { order: 1; }

.about-image { position: relative; overflow: hidden; }

.about-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(40%);
    transition: all 0.6s ease;
}

.about-row:hover .about-image img { filter: grayscale(0%); transform: scale(1.05); }

.about-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl);
    background: #000;
}

.about-text h3 {
    font-size: var(--font-size-lg);
    font-weight: 300;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.about-text p { font-size: var(--font-size-xs); line-height: 2.2; opacity: 0.7; letter-spacing: 1px; }

.about-footer { text-align: center; padding: var(--spacing-xl) 0; }

.index-link-white {
    display: inline-block;
    padding: 15px 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.3s;
}

.index-link-white:hover { background: var(--white); color: #000; border-color: var(--white); }

.index-parallax { height: 80vh; position: relative; overflow: hidden; z-index: 1; }

.parallax-image {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 120%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    filter: grayscale(100%);
}

.index-programs {
    background: #000;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    z-index: 2;
}

.programs-header { text-align: center; margin-bottom: var(--spacing-xl); }

.programs-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 300;
    letter-spacing: 8px;
    color: var(--white);
    text-transform: uppercase;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    max-width: 1400px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
}

.program-card {
    background: #000;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    text-decoration: none;
    color: var(--white);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.05);
    transition: left 0.4s;
}

.program-card:hover::before { left: 0; }
.program-card:hover { border-color: rgba(255, 255, 255, 0.3); }

.card-number { font-size: 12px; letter-spacing: 2px; opacity: 0.3; margin-bottom: var(--spacing-sm); }

.program-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 300;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-sm);
}

.card-line {
    width: 30px; height: 1px;
    background: var(--white);
    margin: var(--spacing-sm) auto;
    opacity: 0.3;
    transition: all 0.4s;
}

.program-card:hover .card-line { width: 60px; opacity: 1; }

.program-card p { font-size: var(--font-size-xs); opacity: 0.6; letter-spacing: 1px; margin-top: var(--spacing-sm); }

.index-contact { background: var(--white); }

.index-contact-content {
    text-align: center;
    max-width: 600px;
    padding: var(--spacing-md);
}

.index-contact-content h2 {
    font-size: var(--font-size-lg);
    text-transform: uppercase;
    letter-spacing: 8px;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
}

.contact-info { display: flex; flex-direction: column; gap: var(--spacing-md); margin: var(--spacing-lg) 0; }

.contact-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.contact-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.5;
    flex-shrink: 0;
    min-width: 100px;
}

.contact-value { font-size: var(--font-size-xs); letter-spacing: 1px; text-align: right; flex: 1; }

.index-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 15px 40px;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.3s;
}

.index-link:hover { background: var(--text); color: var(--white); border-color: var(--text); }

@media (max-width: 1024px) {
    .video-slide { flex: 0 0 calc(50% - 10px); }
}

@media (max-width: 768px) {
    .video-slider-wrap { padding: 0 40px; }
    .video-slide { flex: 0 0 100%; }
    .video-play-btn { width: 50px; height: 50px; font-size: 18px; }
    .about-row { grid-template-columns: 1fr; min-height: auto; }
    .about-row .about-image, .about-row.reverse .about-image { order: 1; height: 50vh; }
    .about-row .about-text, .about-row.reverse .about-text { order: 2; }
    .about-text { padding: var(--spacing-md); }
    .about-text h3 { font-size: var(--font-size-md); }
    .parallax-image { background-attachment: scroll; }
    .programs-grid { grid-template-columns: 1fr; gap: 0; }
    .contact-item { flex-direction: column; gap: 5px; text-align: center; }
    .scroll-indicator { display: none; }
}

/* ── pages/about ── */
.about-main { background: var(--white); }

.about-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.section-title,
.section-title-white {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2,
.section-title-white h2 {
    font-size: var(--font-size-lg);
    font-weight: 300;
    letter-spacing: 8px;
    text-transform: uppercase;
}

.section-title h2 { color: var(--text); }
.section-title-white h2 { color: var(--white); }

.about-greeting { background: #000; color: var(--white); }

.about-content-center {
    max-width: 700px;
    padding: var(--spacing-md);
    text-align: center;
}

.about-content-center h2 {
    font-size: var(--font-size-lg);
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: var(--spacing-lg);
}

.greeting-text {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.greeting-text p { font-size: var(--font-size-xs); line-height: 2.2; opacity: 0.8; letter-spacing: 1px; margin-bottom: var(--spacing-md); }

.greeting-signature { text-align: right; margin-top: var(--spacing-lg) !important; opacity: 0.6 !important; }

.about-features {
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-xl) 0;
}

.features-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: var(--spacing-xl);
    min-height: 60vh;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row .feature-image { order: 1; }
.feature-row .feature-text { order: 2; }
.feature-row.reverse .feature-image { order: 2; }
.feature-row.reverse .feature-text { order: 1; }

.feature-image { position: relative; overflow: hidden; }

.feature-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: all 0.6s;
}

.feature-row:hover .feature-image img { filter: grayscale(0%); transform: scale(1.05); }

.feature-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--bg);
}

.feature-text h3 { font-size: var(--font-size-md); font-weight: 300; letter-spacing: 3px; margin-bottom: var(--spacing-md); }
.feature-text p { font-size: var(--font-size-xs); line-height: 2.2; opacity: 0.7; letter-spacing: 1px; }

.about-parallax { height: 80vh; position: relative; overflow: hidden; z-index: 1; }

.about-facilities {
    background: #000;
    color: var(--white);
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-md);
    z-index: 2;
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.facility-item { text-align: center; }

.facility-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.facility-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: all 0.4s;
}

.facility-item:hover .facility-image img { filter: grayscale(0%); transform: scale(1.05); }

.facility-item h4 { font-size: var(--font-size-sm); font-weight: 300; letter-spacing: 2px; margin-bottom: 5px; }
.facility-item p { font-size: var(--font-size-xs); opacity: 0.5; letter-spacing: 1px; }

.about-location {
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-xl) 0;
}

.location-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    border: 1px solid var(--border);
}

.location-map { filter: grayscale(30%); }

.map-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 12px 20px;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 11px;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.map-link:hover { background: var(--text); color: var(--white); }

.location-info {
    background: var(--bg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-md);
}

.info-item { padding-bottom: var(--spacing-sm); border-bottom: 1px solid var(--border); }
.info-item:last-child { border-bottom: none; }
.info-item h4 { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 2px; opacity: 0.5; margin-bottom: 8px; }
.info-item p { font-size: var(--font-size-xs); line-height: 1.8; letter-spacing: 0.5px; }

@media (max-width: 1024px) {
    .facilities-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .feature-row { grid-template-columns: 1fr; min-height: auto; }
    .feature-row .feature-image, .feature-row.reverse .feature-image { order: 1; height: 50vh; }
    .feature-row .feature-text, .feature-row.reverse .feature-text { order: 2; }
    .facilities-grid { grid-template-columns: 1fr; }
    .location-content { grid-template-columns: 1fr; }
    .about-parallax .parallax-image { background-attachment: scroll; }
}

/* ── pages/gallery ── */
.gallery-page { padding: 120px 0 var(--spacing-xl); min-height: 100vh; }

.gallery-container { max-width: 1400px; margin: 0 auto; padding: 0 var(--spacing-md); }

.page-title {
    font-size: var(--font-size-lg);
    font-weight: 300;
    letter-spacing: 8px;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    text-transform: uppercase;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1px;
    background: var(--border);
}

.gallery-card { background: var(--white); cursor: pointer; overflow: hidden; transition: all 0.3s; }

.gallery-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); }

.gallery-card-image { position: relative; aspect-ratio: 4/3; overflow: hidden; background: #000; }

.gallery-card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: all 0.4s;
}

.gallery-card:hover .gallery-card-image img { filter: grayscale(0%); transform: scale(1.05); }

.image-count {
    position: absolute;
    top: 15px; right: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.gallery-card-info { padding: var(--spacing-md); text-align: center; }
.gallery-card-info h3 { font-size: var(--font-size-sm); font-weight: 300; letter-spacing: 2px; margin-bottom: 8px; }
.gallery-date { font-size: var(--font-size-xs); opacity: 0.5; letter-spacing: 1px; }

.gallery-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.gallery-modal.active { display: flex; }

.gallery-modal .modal-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    cursor: pointer;
}

.gallery-modal .modal-content {
    position: relative;
    z-index: 1;
    width: 90vw;
    max-width: 1200px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.gallery-modal .modal-close {
    position: absolute;
    top: -50px; right: 0;
    background: none; border: none;
    color: var(--white);
    font-size: 40px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
    z-index: 10;
}

.gallery-modal .modal-close:hover { opacity: 1; }

.modal-header { text-align: center; color: var(--white); margin-bottom: var(--spacing-md); }
.modal-header h2 { font-size: var(--font-size-md); font-weight: 300; letter-spacing: 3px; margin-bottom: 8px; }
.modal-header p { font-size: var(--font-size-xs); opacity: 0.6; letter-spacing: 1px; }

.modal-slider { position: relative; width: 100%; max-height: 70vh; }
.slider-container { overflow: hidden; width: 100%; height: 100%; }
.slider-track { display: flex; transition: transform 0.3s ease; height: 100%; }
.slider-track img { flex: 0 0 100%; width: 100%; height: auto; max-height: 70vh; object-fit: contain; }

.slider-btn {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    font-size: 40px;
    width: 50px; height: 50px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.slider-btn:hover { background: rgba(255, 255, 255, 0.3); }
.slider-btn.prev { left: 10px; }
.slider-btn.next { right: 10px; }
.slider-btn:disabled { opacity: 0.3; cursor: default; }

.empty-message { text-align: center; padding: var(--spacing-xl); opacity: 0.5; font-size: var(--font-size-xs); grid-column: 1 / -1; }

@media (max-width: 768px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .slider-btn { width: 40px; height: 40px; font-size: 30px; }
}

/* ── pages/instructors ── */
.instructors-hero { padding: var(--spacing-xl) 0 var(--spacing-xs); text-align: center; }

.instructors-hero h1 { font-size: var(--font-size-lg); letter-spacing: 4px; font-weight: 300; text-transform: uppercase; }

.instructors-tabs { margin-bottom: var(--spacing-sm); }

.tab-buttons { display: flex; justify-content: center; gap: var(--spacing-sm); }

.tab-btn {
    background: none;
    border: none;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: var(--spacing-xs) 0;
    cursor: pointer;
    color: var(--text);
    opacity: 0.4;
    transition: opacity 0.3s;
    font-weight: 300;
    position: relative;
}

.tab-btn:hover { opacity: 0.7; }
.tab-btn.active { opacity: 1; }

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0;
    width: 100%; height: 1px;
    background: var(--text);
}

.instructors-content { padding-bottom: var(--spacing-xl); }

.tab-content { display: none; }

.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.instructor-card { text-align: center; cursor: pointer; transition: transform 0.3s; }
.instructor-card:hover { transform: translateY(-5px); }

.instructor-image { margin-bottom: var(--spacing-xs); overflow: hidden; }

.instructor-image img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    filter: grayscale(30%);
    transition: filter 0.3s, transform 0.3s;
}

.instructor-card:hover .instructor-image img { filter: grayscale(0%); transform: scale(1.02); }

.instructor-card h3 { font-size: var(--font-size-md); font-weight: 300; margin-bottom: 5px; letter-spacing: 1px; }
.instructor-specialty { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 1.5px; opacity: 0.5; margin-bottom: 10px; }
.instructor-bio { font-size: var(--font-size-xs); line-height: 1.6; opacity: 0.7; max-width: 250px; margin-left: 15px; }

.view-detail {
    margin-top: var(--spacing-xs);
    font-size: 9px;
    letter-spacing: 1.5px;
    padding: 8px 20px;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.view-detail:hover { background: var(--text); color: var(--white); border-color: var(--text); }

.instructor-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 300;
}

.instructor-modal.active { opacity: 1; visibility: visible; }

.instructor-modal .modal-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.instructor-modal .modal-content {
    position: relative;
    background: var(--white);
    max-width: 900px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 10;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.instructor-modal.active .modal-content { transform: translateY(0); }

.instructor-modal .modal-close {
    position: absolute;
    top: 20px; right: 20px;
    font-size: 30px;
    font-weight: 200;
    background: none; border: none;
    cursor: pointer;
    color: var(--text);
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 20;
}

.instructor-modal .modal-close:hover { opacity: 0.5; transform: rotate(90deg); }

.instructor-modal .modal-body {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.instructor-modal .modal-left { display: flex; flex-direction: column; }
.instructor-modal .modal-image { margin-bottom: 0; }

.instructor-modal .modal-image img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    filter: grayscale(20%);
}

.instructor-modal .social-links {
    display: flex;
    gap: 10px;
    justify-content: center;
    padding: var(--spacing-xs) 0;
    background: var(--bg);
}

.instructor-modal .social-link {
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text);
    font-size: 16px;
    transition: all 0.3s;
}

.instructor-modal .social-link:hover { background: var(--text); color: var(--white); border-color: var(--text); transform: translateY(-2px); }

.instructor-modal .modal-info { padding: var(--spacing-xs) 0; }
.instructor-modal .modal-info h3 { font-size: var(--font-size-xl); font-weight: 300; margin-bottom: 10px; letter-spacing: 2px; }
.instructor-modal .modal-info .instructor-specialty { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 2px; opacity: 0.5; margin-bottom: 15px; }
.instructor-modal .modal-info .instructor-bio { font-size: var(--font-size-sm); line-height: 1.8; opacity: 0.8; margin-bottom: var(--spacing-sm); }

.instructor-modal .modal-section { margin-top: var(--spacing-md); padding-top: var(--spacing-xs); border-top: 1px solid var(--border); }
.instructor-modal .modal-section h4 { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 15px; opacity: 0.6; }
.instructor-modal .modal-section ul { list-style: none; font-size: var(--font-size-xs); line-height: 2; opacity: 0.8; }
.instructor-modal .modal-section ul li { padding-left: 15px; position: relative; margin-bottom: 5px; }
.instructor-modal .modal-section ul li::before { content: '・'; position: absolute; left: 0; }

.instructor-modal .modal-content::-webkit-scrollbar { width: 6px; }
.instructor-modal .modal-content::-webkit-scrollbar-track { background: var(--bg); }
.instructor-modal .modal-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.instructor-modal .modal-content::-webkit-scrollbar-thumb:hover { background: var(--accent); }

@media (max-width: 768px) {
    .tab-buttons { gap: var(--spacing-xs); }
    .tab-btn { font-size: 10px; }
    .instructor-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--spacing-sm); }
    .instructor-modal .modal-body { grid-template-columns: 1fr; gap: var(--spacing-sm); padding: var(--spacing-sm); }
    .instructor-modal .modal-left { max-width: 250px; margin: 0 auto; }
    .instructor-modal .modal-close { top: 10px; right: 10px; }
}

/* ── pages/programs ── */
.programs-main { background: var(--white); }

.programs-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.programs-intro { background: #000; color: var(--white); }

.programs-intro-content { max-width: 700px; padding: var(--spacing-md); text-align: center; }
.programs-intro-content h2 { font-size: var(--font-size-lg); font-weight: 300; letter-spacing: 8px; margin-bottom: var(--spacing-md); }
.intro-subtitle { font-size: var(--font-size-sm); letter-spacing: 2px; opacity: 0.6; margin-bottom: var(--spacing-lg); }

.intro-text {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.intro-text p { font-size: var(--font-size-xs); line-height: 2.2; opacity: 0.8; letter-spacing: 1px; }

.program-detail { background: var(--white); padding: var(--spacing-xl) 0; }
.program-detail.dark { background: #000; color: var(--white); }

.detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.detail-container.reverse { direction: rtl; }
.detail-container.reverse > * { direction: ltr; }

.detail-image { position: relative; overflow: hidden; min-height: 70vh; }

.detail-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: all 0.6s;
}

.program-detail:hover .detail-image img { filter: grayscale(0%); transform: scale(1.05); }

.detail-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--bg);
}

.program-detail.dark .detail-content { background: #000; }

.program-number { font-size: 12px; letter-spacing: 2px; opacity: 0.3; margin-bottom: var(--spacing-sm); display: block; }
.detail-content h3 { font-size: var(--font-size-lg); font-weight: 300; letter-spacing: 4px; margin-bottom: var(--spacing-sm); }

.program-desc {
    font-size: var(--font-size-xs);
    line-height: 2;
    opacity: 0.7;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.program-detail.dark .program-desc { border-color: rgba(255, 255, 255, 0.2); }

.program-features { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }

.feature-item { padding: var(--spacing-sm) 0; }
.feature-item h4 { font-size: 10px; text-transform: uppercase; letter-spacing: 2px; opacity: 0.5; margin-bottom: 8px; }
.feature-item p { font-size: var(--font-size-xs); line-height: 1.6; opacity: 0.8; letter-spacing: 0.5px; }

.programs-register { background: #000; color: var(--white); padding: var(--spacing-xl) var(--spacing-md); }

.register-content { max-width: 900px; text-align: center; }
.register-content h2 { font-size: var(--font-size-lg); font-weight: 300; letter-spacing: 8px; margin-bottom: var(--spacing-md); }
.register-subtitle { font-size: var(--font-size-sm); letter-spacing: 2px; opacity: 0.6; margin-bottom: var(--spacing-xl); }

.register-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); margin-bottom: var(--spacing-xl); }

.register-step { text-align: center; }
.step-number { display: block; font-size: 12px; letter-spacing: 2px; opacity: 0.3; margin-bottom: var(--spacing-sm); }
.register-step h4 { font-size: var(--font-size-sm); font-weight: 300; letter-spacing: 2px; margin-bottom: 10px; }
.register-step p { font-size: var(--font-size-xs); opacity: 0.6; letter-spacing: 1px; }

.register-btn {
    display: inline-block;
    padding: 18px 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.3s;
}

.register-btn:hover { background: var(--white); color: #000; border-color: var(--white); }

@media (max-width: 1024px) {
    .program-features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .detail-container { grid-template-columns: 1fr; }
    .detail-image { min-height: 50vh; }
    .detail-content { padding: var(--spacing-md); }
    .register-info { grid-template-columns: 1fr; }
}

/* ── pages/community ── */
.community-main { padding-top: 100px; }

.community-section {
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-header h2 { font-size: var(--font-size-lg); font-weight: 300; letter-spacing: 8px; text-transform: uppercase; }

.news-section { background: #000; color: var(--white); }
.news-section .section-header h2 { color: var(--white); }

.news-accordion { max-width: 900px; width: 100%; }
.news-accordion-item { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }

.news-accordion-header {
    width: 100%; background: none; border: none;
    padding: var(--spacing-md) 0;
    cursor: pointer;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: opacity 0.3s;
}

.news-accordion-header:hover { opacity: 0.7; }

.news-title-wrapper { display: flex; align-items: center; gap: 15px; flex: 1; }

.important-badge {
    background: #ff4444;
    color: var(--white);
    font-size: 9px;
    padding: 4px 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.news-accordion-header h3 { font-size: var(--font-size-sm); font-weight: 300; letter-spacing: 1px; color: var(--white); }
.news-meta { display: flex; align-items: center; gap: 20px; }
.news-date { font-size: 11px; opacity: 0.5; letter-spacing: 1px; }
.news-arrow { font-size: 24px; opacity: 0.5; transition: transform 0.3s; }
.news-accordion-item.active .news-arrow { transform: rotate(45deg); }

.news-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    font-size: var(--font-size-xs);
    line-height: 2;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

.news-accordion-item.active .news-accordion-content { max-height: 1000px; padding: 0 0 var(--spacing-md) 0; }

.faq-section { background: var(--white); }
.faq-list { max-width: 900px; width: 100%; }
.faq-item { border-bottom: 1px solid var(--border); }

.faq-question {
    width: 100%; background: none; border: none;
    padding: var(--spacing-md) 0;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-xs);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: opacity 0.3s;
}

.faq-question:hover { opacity: 0.6; }
.faq-category { font-size: 10px; opacity: 0.5; text-transform: uppercase; letter-spacing: 1px; }
.faq-q { font-weight: 500; color: var(--accent); }
.faq-arrow { margin-left: auto; font-size: 20px; opacity: 0.3; transition: transform 0.3s; }
.faq-item.active .faq-arrow { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 0 0 20px;
    font-size: var(--font-size-xs);
    line-height: 2;
    opacity: 0.7;
}

.faq-item.active .faq-answer { max-height: 500px; padding: 0 0 var(--spacing-md) 20px; }
.faq-a { font-weight: 500; color: var(--accent); margin-right: 10px; }

@media (max-width: 768px) {
    .news-accordion-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .news-meta { width: 100%; justify-content: space-between; }
}

/* ── splash ── */
.splash-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: #000;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.8s ease;
}

.splash-screen.fade-out { opacity: 0; pointer-events: none; }

.splash-logo { text-align: center; animation: fadeInUp 1s ease; }

.logo-top {
    font-size: 72px;
    font-weight: 500;
    letter-spacing: 20px;
    color: #fff;
    margin-bottom: 20px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.logo-divider { width: 60px; height: 1px; background: #fff; margin: 0 auto 20px; opacity: 0.3; }

.logo-bottom {
    font-size: 28px;
    font-weight: 200;
    letter-spacing: 12px;
    color: #fff;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .logo-top { font-size: 48px; letter-spacing: 15px; }
    .logo-bottom { font-size: 20px; letter-spacing: 8px; }
}

/* ── footer ── */
.site-footer {
    background: var(--text);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 10px;
    letter-spacing: 0.5px;
    line-height: 1.8;
}

.footer-content p { margin: 5px 0; }

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================================
   CONTAINER UTILITY
   (instructors.php 탭/그리드 래퍼로 사용)
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================================
   MOBILE — 768px 이하
   ============================================================ */
@media (max-width: 768px) {

    /* ── 전역 컨테이너 ── */
    .container { padding: 0 20px; }

    /* ── 햄버거 버튼 위치 ── */
    .menu-toggle {
        left: 20px;
        top: 20px;
    }

    /* ── 메뉴 리스트 ── */
    .menu-list { padding: 90px 30px 30px; }
    .menu-list a { font-size: 20px; }
    .menu-footer { padding: 24px 30px 36px; }

    /* ── 공통: 섹션 타이틀 letter-spacing 축소 ── */
    .section-title h2,
    .section-title-white h2,
    .section-header h2,
    .page-title,
    .programs-header h2,
    .about-content-center h2,
    .programs-intro-content h2,
    .register-content h2,
    .index-contact-content h2 {
        letter-spacing: 3px;
        font-size: 13px;
    }

    /* ── 섹션 타이틀 margin ── */
    .section-title,
    .section-title-white { margin-bottom: var(--spacing-md); }

    /* ─────────────────────────────────
       INDEX 페이지
    ───────────────────────────────── */

    /* hero 텍스트 */
    .hero-content h1 { font-size: 18px; letter-spacing: 4px; }
    .hero-content p  { font-size: 12px; letter-spacing: 1px; }

    /* intro 섹션 */
    .intro { padding: var(--spacing-md) 0; }
    .intro-text { padding: 0 20px; }

    /* 영상 섹션 */
    .video-section { padding: var(--spacing-md) 0; }
    .video-section-header { padding: 0 20px; margin-bottom: var(--spacing-md); }
    .video-slider-wrap { padding: 0 44px; }

    /* about 지그재그 (index) */
    .about-container { padding: var(--spacing-md) 20px; }
    .about-row { margin-bottom: var(--spacing-md); }
    .about-text { padding: var(--spacing-md) 20px; }
    .about-text h3 { letter-spacing: 2px; margin-bottom: var(--spacing-xs); }
    .about-footer { padding: var(--spacing-md) 0; }

    /* parallax 높이 축소 */
    .index-parallax { height: 40vh; }

    /* programs grid (index) */
    .index-programs { padding: var(--spacing-md) 20px; }
    .programs-header { margin-bottom: var(--spacing-md); }
    .program-card { padding: var(--spacing-md) var(--spacing-xs); }

    /* contact (index) */
    .index-contact-content { padding: var(--spacing-md) 20px; }
    .contact-info { margin: var(--spacing-md) 0; gap: 0; }

    /* ─────────────────────────────────
       ABOUT 페이지
    ───────────────────────────────── */

    /* 인사말 */
    .about-content-center { padding: var(--spacing-md) 20px; }
    .greeting-text { margin-top: var(--spacing-md); padding: var(--spacing-md) 0; }

    /* 특징 (feature) 섹션 */
    .about-features { padding: var(--spacing-md) 0; }
    .feature-row { margin-bottom: var(--spacing-md); }
    .feature-text { padding: var(--spacing-md) 20px; }
    .feature-text h3 { letter-spacing: 2px; margin-bottom: var(--spacing-xs); }

    /* 패럴랙스 */
    .about-parallax { height: 35vh; }

    /* 시설 */
    .about-facilities { padding: var(--spacing-md) 20px; }
    .facilities-grid { gap: 12px; }
    .facility-image { margin-bottom: 12px; }

    /* 오시는 길 */
    .about-location { padding: var(--spacing-md) 0; }
    #map { min-height: 260px; }
    .location-info { padding: 24px 20px; gap: var(--spacing-xs); }

    /* ─────────────────────────────────
       INSTRUCTORS 페이지
    ───────────────────────────────── */

    /* 히어로 */
    .instructors-hero { padding: 100px 20px var(--spacing-xs); }
    .instructors-hero h1 { letter-spacing: 2px; }

    /* 탭 버튼 — 가로 스크롤 */
    .instructors-tabs { margin-bottom: var(--spacing-xs); }
    .tab-buttons {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        justify-content: flex-start;
        padding: 0 20px;
        gap: 20px;
    }
    .tab-buttons::-webkit-scrollbar { display: none; }
    .tab-btn {
        flex-shrink: 0;
        font-size: 10px;
        letter-spacing: 1.5px;
        padding: 14px 0;
    }

    /* 강사 그리드 */
    .instructors-content { padding-bottom: var(--spacing-md); }
    .instructor-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: var(--spacing-xs);
        padding: 0 20px;
    }
    .instructor-card h3 { font-size: 12px; }
    .instructor-specialty { font-size: 10px; }
    .instructor-bio { font-size: 10px; margin-left: 0; max-width: 100%; }

    /* 강사 모달 */
    .instructor-modal .modal-content { width: 95%; max-height: 90vh; }

    /* ─────────────────────────────────
       GALLERY 페이지
    ───────────────────────────────── */

    .gallery-page { padding: 90px 0 var(--spacing-md); }
    .gallery-container { padding: 0 20px; }
    .gallery-card-info { padding: var(--spacing-xs); }

    /* ─────────────────────────────────
       PROGRAMS 페이지
    ───────────────────────────────── */

    /* 인트로 */
    .programs-intro-content { padding: var(--spacing-md) 20px; }

    /* 디테일 */
    .detail-content { padding: var(--spacing-md) 20px; }
    .detail-content h3 { letter-spacing: 2px; }

    /* 등록 안내 */
    .programs-register { padding: var(--spacing-md) 20px; }
    .register-content { padding: 0; }
    .register-info { gap: var(--spacing-md); margin-bottom: var(--spacing-md); }

    /* ─────────────────────────────────
       COMMUNITY 페이지
    ───────────────────────────────── */

    .community-section { padding: var(--spacing-md) 20px; }
    .news-accordion { padding: 0; }
    .faq-list { padding: 0; }

    /* ─────────────────────────────────
       FOOTER
    ───────────────────────────────── */

    .footer-content { padding: 0 20px; }
    .site-footer { padding: var(--spacing-sm) 0; }
}

    /* ── programs 섹션 min-height 해제 ── */
    /* 모바일에서 이미지+텍스트 스택되면 100vh 빈 공간 생김 */
    .programs-section { min-height: unset; padding: 0; }
    .programs-intro { padding: var(--spacing-md) 0; }
    .program-detail { padding: var(--spacing-md) 0; }
    .programs-register { min-height: unset; }

    /* ── about-section min-height 조정 ── */
    .about-section { min-height: unset; padding: var(--spacing-md) 0; }
    .about-greeting { padding: var(--spacing-lg) 0; }
    .about-features { padding: var(--spacing-md) 0; }

    /* ── community min-height 해제 ── */
    .community-section { min-height: unset; }

    /* ── index-section min-height 유지 (hero만) ── */
    .index-section:not(.hero-fullscreen) { min-height: unset; }
    .index-about { padding: var(--spacing-md) 0; }
    .index-contact { padding: var(--spacing-md) 0; }

    /* ── 공통 section-title 여백 ── */
    .section-title,
    .section-title-white { margin-bottom: var(--spacing-xs); }

    /* ── 갤러리 모달 닫기 버튼 ── */
    .gallery-modal .modal-close { top: -36px; font-size: 28px; }

    /* ── 유튜브 모달 닫기 버튼 ── */
    .youtube-modal .modal-close { top: -36px; font-size: 24px; }
}

/* ============================================================
   MOBILE — 480px 이하 (소형 폰 추가 보완)
   ============================================================ */
@media (max-width: 480px) {

    /* 강사 그리드: 소형 폰에서 2열 유지 */
    .instructor-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        padding: 0 16px;
    }

    /* 탭 버튼 */
    .tab-btn { font-size: 9px; }

    /* 모달 */
    .instructor-modal .modal-body { padding: var(--spacing-xs) 16px; }

    /* gallery grid */
    .gallery-grid { grid-template-columns: 1fr; }

    /* hero */
    .hero-content h1 { font-size: 16px; letter-spacing: 3px; }

    /* about-text */
    .about-text { padding: var(--spacing-xs) 16px; }
    .feature-text { padding: var(--spacing-xs) 16px; }

    /* 유튜브 슬라이더 화살표 */
    .slider-arrow { width: 32px; height: 32px; font-size: 13px; }
    .video-slider-wrap { padding: 0 36px; }

    /* programs */
    .programs-register { padding: var(--spacing-xs) 16px; }
    .detail-content { padding: var(--spacing-xs) 16px; }
    .programs-intro-content { padding: var(--spacing-xs) 16px; }

    /* community */
    .community-section { padding: var(--spacing-xs) 16px; }

    /* index programs */
    .index-programs { padding: var(--spacing-xs) 16px; }
    .index-contact-content { padding: var(--spacing-xs) 16px; }
    .about-container { padding: var(--spacing-xs) 16px; }
}