/* --- GLOBAL STYLES & VARIABLES (from indexmobilePC.html) --- */
:root {
    --primary-color: #D4AF37; /* Gold */
    --bg-light: #FFF8F6;      /* Soft Blush/Nude */
    --text-dark: #2C2C2C;     /* Charcoal */
    --white: #FFFFFF;
    --accent-pink: #F3E1DC;   /* Muted Pink */
    --danger: #C0392B;
    --success: #2E7D32;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- NAVBAR --- */
header {
    background-color: var(--white);
    border-bottom: 1px solid var(--accent-pink);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.logo span {
    color: var(--primary-color);
}

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

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

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

.cta-nav-btn {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-nav-btn:hover {
    background-color: var(--primary-color);
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--accent-pink) 100%);
    padding: 50px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-content p {
    font-size: 15px;
    color: #555;
    max-width: 600px;
    margin: 0 auto 28px auto;
}

.cta-main-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 16px 0;
    width: 100%;
    max-width: 280px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-main-btn:hover {
    background-color: var(--text-dark);
    transform: translateY(-2px);
}

/* --- COURSES SECTION --- */
.courses-section {
    padding: 40px 0;
    overflow: hidden;
}

.section-title {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 700;
    text-align: center;
}

.course-carousel {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 10px 20px 25px 20px;
    margin: 0 -5%;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.course-carousel::-webkit-scrollbar {
    display: none;
}

.course-card {
    flex: 0 0 85%;
    scroll-snap-align: start;
    background: var(--white);
    border: 1px solid var(--accent-pink);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-img-placeholder {
    height: 180px;
    background-color: var(--accent-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a8928c;
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    background-size: cover;
    background-position: center;
}

.course-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.course-tag {
    background-color: var(--bg-light);
    color: var(--primary-color);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    align-self: flex-start;
    margin-bottom: 10px;
}

.course-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.course-info p {
    color: #666;
    font-size: 13px;
    margin-bottom: 16px;
    flex-grow: 1;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--accent-pink);
    padding-top: 12px;
}

.course-price {
    font-weight: bold;
    font-size: 18px;
}

.enroll-link {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 13px;
}

.swipe-hint {
    text-align: center;
    font-size: 12px;
    color: #aaa;
    margin-top: -10px;
}

/* --- FOOTER --- */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 40px 20px;
    font-size: 13px;
}

footer p {
    opacity: 0.6;
}

/* --- GENERIC PAGE SECTIONS (course detail, auth, dashboard, watch) --- */
.page-section {
    padding: 50px 0;
    min-height: 50vh;
}

.page-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
}

.card {
    background: var(--white);
    border: 1px solid var(--accent-pink);
    border-radius: 16px;
    padding: 30px;
}

.card-narrow {
    max-width: 420px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--accent-pink);
    border-radius: 10px;
    font-size: 15px;
    font-family: var(--font-main);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 14px 0;
    width: 100%;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
}

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

.btn-secondary {
    background-color: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--accent-pink);
}

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

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 18px;
}

.alert-error {
    background-color: #FBEAEA;
    color: var(--danger);
    border: 1px solid #E8B4AE;
}

.alert-success {
    background-color: #E8F3E8;
    color: var(--success);
    border: 1px solid #B7D8B7;
}

.access-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.access-badge.active {
    background-color: #E8F3E8;
    color: var(--success);
}

.access-badge.expired {
    background-color: #FBEAEA;
    color: var(--danger);
}

.dashboard-course-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--accent-pink);
    flex-wrap: wrap;
}

.dashboard-course-row:last-child {
    border-bottom: none;
}

.video-wrapper {
    position: relative;
    padding-top: 56.25%;
    border-radius: 16px;
    overflow: hidden;
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.link-muted {
    color: #888;
    font-size: 13px;
}

.top-nav-simple {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

/* --- RESPONSIVE / DESKTOP --- */
@media (min-width: 768px) {
    .navbar {
        padding: 24px 0;
    }

    .logo {
        font-size: 26px;
    }

    .nav-links {
        display: flex;
    }

    .hero {
        padding: 90px 0;
    }

    .hero-content h1 {
        font-size: 48px;
        margin-bottom: 20px;
    }

    .hero-content p {
        font-size: 18px;
        margin-bottom: 35px;
    }

    .cta-main-btn {
        width: auto;
        padding: 16px 40px;
    }

    .courses-section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .course-carousel {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        padding: 0;
        margin: 0;
        overflow-x: visible;
    }

    .course-card {
        flex: none;
    }

    .course-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.07);
    }

    .swipe-hint {
        display: none;
    }

    .btn {
        width: auto;
        padding: 14px 40px;
    }
}