/* ========================================
   STUDIO THINK - Front-end Styles
   ======================================== */

:root {
    --primary-color: #ff6600;
    --primary-dark: #e55a00;
    --text-color: #333;
    --text-light: #666;
    --bg-gray: #f5f5f5;
    --border-color: #ddd;
    --white: #fff;
    --black: #000;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    background: var(--white);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Header
   ======================================== */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 0.1em;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list a {
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: 0.3s;
}

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, #333 0%, #111 100%);
    color: var(--white);
    text-align: center;
    padding: 120px 20px;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.is-active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 3rem;
    letter-spacing: 0.2em;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1rem;
    letter-spacing: 0.3em;
    opacity: 0.9;
    margin-bottom: 30px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-text {
    font-size: 1.25rem;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Section
   ======================================== */
.section {
    padding: 80px 0;
}

.section-gray {
    background: var(--bg-gray);
}

.section-title {
    font-size: 2rem;
    text-align: center;
    letter-spacing: 0.15em;
    margin-bottom: 10px;
}

.section-lead {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 40px;
}

.section-action {
    text-align: center;
    margin-top: 40px;
}

.no-data {
    text-align: center;
    color: var(--text-light);
    padding: 40px;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    background: var(--bg-gray);
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 2rem;
    letter-spacing: 0.15em;
    margin-bottom: 10px;
}

.page-lead {
    color: var(--text-light);
}

.page-breadcrumb {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: left;
}

.page-breadcrumb a {
    color: var(--text-light);
}

.page-back {
    margin-top: 60px;
    text-align: center;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ========================================
   Tabs
   ======================================== */
.tab-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 10px 20px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s;
}

.tab-btn:hover,
.tab-btn.is-active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.tab-content {
    display: none;
}

.tab-content.is-active {
    display: block;
}

/* ========================================
   Lesson Card
   ======================================== */
.lesson-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.lesson-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

.lesson-time {
    font-size: 1.25rem;
    font-weight: 700;
    min-width: 100px;
    color: var(--primary-color);
}

.lesson-info {
    flex: 1;
}

.lesson-name {
    font-size: 1rem;
    margin-bottom: 5px;
}

.lesson-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 5px;
}

.lesson-category,
.lesson-difficulty {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 3px;
    background: var(--bg-gray);
}

.lesson-teacher a {
    font-size: 0.875rem;
}

.lesson-location {
    font-size: 0.875rem;
    color: var(--text-light);
    min-width: 120px;
    text-align: right;
}

/* ========================================
   Schedule Full
   ======================================== */
.schedule-day {
    margin-bottom: 50px;
}

.day-title {
    font-size: 1.5rem;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
    margin-bottom: 20px;
}

.lesson-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.lesson-time-col {
    min-width: 100px;
}

.lesson-time-col .time {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

.lesson-time-col .duration {
    font-size: 0.75rem;
    color: var(--text-light);
}

.lesson-main-col {
    flex: 1;
}

.lesson-title {
    font-size: 1rem;
    margin-bottom: 8px;
}

.lesson-title a {
    color: var(--text-color);
}

.lesson-title a:hover {
    color: var(--primary-color);
}

.lesson-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 5px;
}

.tag {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 3px;
}

.tag-category {
    background: #e3f2fd;
    color: #1976d2;
}

.tag-difficulty {
    background: #fff3e0;
    color: #e65100;
}

.tag-frequency {
    background: #f3e5f5;
    color: #7b1fa2;
}

.lesson-age {
    font-size: 0.75rem;
    color: var(--text-light);
}

.lesson-teacher-col {
    min-width: 150px;
}

.teacher-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
}

.teacher-thumb {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.lesson-location-col {
    min-width: 120px;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: right;
}

/* ========================================
   Teacher Grid
   ======================================== */
.teacher-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.teacher-card {
    display: block;
    text-align: center;
    color: var(--text-color);
}

.teacher-photo {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 15px;
    background: var(--bg-gray);
}

.teacher-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.teacher-photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-light);
    background: var(--bg-gray);
}

.teacher-name {
    font-size: 1rem;
    font-weight: 500;
}

.teacher-kana {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ========================================
   Teacher Detail
   ======================================== */
.teacher-detail-header {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.teacher-detail-photo {
    width: 250px;
    flex-shrink: 0;
}

.teacher-detail-photo img {
    width: 100%;
    border-radius: 8px;
}

.photo-placeholder-large {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--text-light);
    background: var(--bg-gray);
    border-radius: 8px;
}

.teacher-detail-name {
    font-size: 2rem;
    margin-bottom: 5px;
}

.teacher-detail-kana {
    color: var(--text-light);
    margin-bottom: 20px;
}

.teacher-social {
    display: flex;
    gap: 15px;
}

.social-link {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
}

.teacher-detail-profile h2,
.teacher-detail-lessons h2 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.teacher-detail-profile {
    margin-bottom: 40px;
}

.profile-text {
    line-height: 2;
}

.lesson-card-horizontal {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-gray);
    border-radius: 8px;
    margin-bottom: 15px;
}

.lesson-schedule {
    min-width: 100px;
    text-align: center;
}

.lesson-schedule .day {
    display: block;
    font-weight: 700;
    color: var(--primary-color);
}

.lesson-schedule .time {
    font-size: 0.875rem;
}

.lesson-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.lesson-content .lesson-location {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 5px;
}

/* ========================================
   Lesson Detail
   ======================================== */
.lesson-detail {
    display: flex;
    gap: 40px;
}

.lesson-detail-main {
    flex: 1;
}

.lesson-detail-sidebar {
    width: 300px;
    flex-shrink: 0;
}

.lesson-detail-title {
    font-size: 2rem;
    margin-bottom: 15px;
}

.lesson-detail-tags {
    margin-bottom: 30px;
}

.lesson-detail-description,
.lesson-detail-info {
    margin-bottom: 30px;
}

.lesson-detail-description h2,
.lesson-detail-info h2 {
    font-size: 1.125rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.info-list {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 10px 20px;
}

.info-list dt {
    font-weight: 500;
    color: var(--text-light);
}

.teacher-sidebar-card {
    background: var(--bg-gray);
    border-radius: 8px;
    padding: 25px;
}

.teacher-sidebar-card h3 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.teacher-sidebar-link {
    display: block;
    text-align: center;
    color: var(--text-color);
}

.teacher-sidebar-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 15px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--white);
}

.teacher-sidebar-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.teacher-sidebar-photo .photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
}

.teacher-sidebar-name {
    font-weight: 500;
}

.teacher-sidebar-profile {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 15px;
    line-height: 1.6;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: #222;
    color: var(--white);
    padding: 50px 0 30px;
}

.footer-inner {
    text-align: center;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer-nav {
    margin-bottom: 30px;
}

.footer-nav a {
    color: rgba(255,255,255,0.7);
    margin: 0 15px;
    font-size: 0.875rem;
}

.footer-nav a:hover {
    color: var(--white);
}

.copyright {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
}

/* ========================================
   Calendar
   ======================================== */
.calendar-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.calendar {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.calendar-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 15px;
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day-header {
    padding: 10px 5px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-gray);
    border-bottom: 1px solid var(--border-color);
}

.calendar-day-header.sunday {
    color: #dc3545;
}

.calendar-day-header.saturday {
    color: #0d6efd;
}

.calendar-cell {
    min-height: 80px;
    padding: 5px;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: var(--white);
}

.calendar-cell:nth-child(7n) {
    border-right: none;
}

.calendar-cell.empty {
    background: #fafafa;
}

.calendar-cell.sunday {
    background: #fff5f5;
}

.calendar-cell.saturday {
    background: #f5f8ff;
}

.calendar-cell.today {
    background: #fff8e6;
}

.calendar-cell.today .calendar-date {
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.calendar-date {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.calendar-lessons {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calendar-lesson {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.625rem;
    padding: 2px 4px;
    background: #e3f2fd;
    border-radius: 2px;
    color: #1976d2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: default;
}

.lesson-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.calendar-more {
    font-size: 0.625rem;
    color: var(--text-light);
    padding: 2px 4px;
}

/* ========================================
   Studio
   ======================================== */
.studio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.studio-card {
    display: block;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    color: var(--text-color);
}

.studio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    color: var(--text-color);
}

.studio-image {
    height: 200px;
    overflow: hidden;
}

.studio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.studio-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gray);
    font-size: 3rem;
    color: var(--text-light);
}

.studio-info {
    padding: 20px;
}

.studio-name {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.studio-address {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.studio-desc {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
}

.studio-detail {
    margin-bottom: 60px;
}

.studio-gallery {
    margin-bottom: 40px;
}

.gallery-main {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}

.gallery-main img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.gallery-thumb {
    width: 80px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.gallery-thumb.is-active,
.gallery-thumb:hover {
    opacity: 1;
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.studio-section {
    margin-bottom: 40px;
}

.studio-section h2 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.studio-info-list {
    grid-template-columns: 100px 1fr;
}

.studio-map {
    border-radius: 8px;
    overflow: hidden;
}

.studio-lessons {
    margin-top: 60px;
}

/* ========================================
   Price
   ======================================== */
.price-section {
    margin-bottom: 60px;
}

.price-section-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 10px;
}

.price-section-desc {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
}

.price-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.price-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
}

.price-card-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 15px;
}

.price-card-header h3 {
    font-size: 1rem;
    margin: 0;
}

.price-card-body {
    padding: 30px 20px;
}

.price-amount {
    margin-bottom: 15px;
}

.price-amount .currency {
    font-size: 1rem;
    vertical-align: top;
}

.price-amount .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-amount .period {
    font-size: 0.875rem;
    color: var(--text-light);
}

.price-detail {
    font-size: 1rem;
    margin-bottom: 10px;
}

.price-valid {
    font-size: 0.875rem;
    color: var(--text-light);
}

.price-desc {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 15px;
}

.price-table {
    overflow-x: auto;
}

.price-table table {
    width: 100%;
    border-collapse: collapse;
}

.price-table th,
.price-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.price-table th {
    background: var(--bg-gray);
    font-weight: 500;
}

.price-cell {
    font-weight: 700;
    color: var(--primary-color);
}

.price-notes {
    background: var(--bg-gray);
    padding: 30px;
    border-radius: 8px;
    margin-top: 40px;
}

.price-notes h3 {
    font-size: 1rem;
    margin-bottom: 15px;
}

.price-notes ul {
    margin: 0;
    padding-left: 20px;
}

.price-notes li {
    margin-bottom: 8px;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ========================================
   Event
   ======================================== */
.event-section {
    margin-bottom: 60px;
}

.event-section-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.event-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.event-card {
    display: flex;
    gap: 20px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: box-shadow 0.3s;
    color: var(--text-color);
}

.event-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    color: var(--text-color);
}

.event-date {
    flex-shrink: 0;
    width: 80px;
    text-align: center;
    padding: 10px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 8px;
}

.event-date .month {
    display: block;
    font-size: 0.75rem;
}

.event-date .day {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

.event-date .weekday {
    display: block;
    font-size: 0.75rem;
}

.event-image {
    flex-shrink: 0;
    width: 150px;
    height: 100px;
    border-radius: 4px;
    overflow: hidden;
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.event-info {
    flex: 1;
}

.event-type {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 0.75rem;
    margin-bottom: 10px;
}

.event-type-recital {
    background: #e3f2fd;
    color: #1976d2;
}

.event-type-workshop {
    background: #e8f5e9;
    color: #388e3c;
}

.event-type-other {
    background: var(--bg-gray);
    color: var(--text-light);
}

.event-title {
    font-size: 1.125rem;
    margin-bottom: 10px;
}

.event-time,
.event-venue {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.event-past {
    opacity: 0.7;
}

.event-card-past {
    padding: 15px 20px;
}

.event-card-past .event-date {
    width: 60px;
    padding: 8px;
    background: var(--bg-gray);
    color: var(--text-color);
}

.event-card-past .event-date .month {
    font-size: 0.625rem;
}

.event-card-past .event-date .day {
    font-size: 1.25rem;
}

.event-card-past .event-title {
    font-size: 1rem;
    margin: 0;
}

.event-detail {
    margin-bottom: 40px;
}

.event-detail-image {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.event-detail-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.event-detail-meta {
    margin-bottom: 20px;
}

.event-detail-info {
    margin-bottom: 30px;
}

.event-detail-desc {
    margin-bottom: 30px;
}

.event-detail-desc h2 {
    font-size: 1.125rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.event-detail-action {
    text-align: center;
}

/* ========================================
   Teacher Video
   ======================================== */
.teacher-video {
    margin-top: 40px;
}

.teacher-video h2 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
}

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

.video-description {
    margin-top: 15px;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .teacher-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .studio-grid {
        grid-template-columns: 1fr;
    }

    .price-cards {
        grid-template-columns: 1fr;
    }

    .event-card {
        flex-wrap: wrap;
    }

    .event-image {
        width: 100%;
        height: 150px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        display: none;
    }

    .nav.is-open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-list li {
        border-bottom: 1px solid var(--border-color);
    }

    .nav-list a {
        display: block;
        padding: 15px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section {
        padding: 50px 0;
    }

    .teacher-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .lesson-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .lesson-location {
        text-align: left;
    }

    .lesson-row {
        flex-wrap: wrap;
    }

    .lesson-teacher-col,
    .lesson-location-col {
        min-width: auto;
        text-align: left;
    }

    .teacher-detail-header {
        flex-direction: column;
        gap: 20px;
    }

    .teacher-detail-photo {
        width: 150px;
        margin: 0 auto;
    }

    .lesson-detail {
        flex-direction: column;
    }

    .lesson-detail-sidebar {
        width: 100%;
    }

    .calendar-container {
        grid-template-columns: 1fr;
    }

    .calendar-cell {
        min-height: 70px;
    }

    .hero {
        min-height: 450px;
    }
}

@media (max-width: 480px) {
    .teacher-grid {
        grid-template-columns: 1fr 1fr;
    }

    .calendar-container {
        grid-template-columns: 1fr;
    }

    .calendar-cell {
        min-height: 60px;
        padding: 3px;
    }

    .calendar-lesson {
        font-size: 0.5rem;
        padding: 1px 2px;
    }

    .hero {
        min-height: 400px;
        padding: 80px 20px;
    }

    .hero-title {
        font-size: 1.75rem;
    }
}