/* ── Premium About Page CSS ── */

.about-hero {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(180deg, rgba(248, 249, 250, 0.4) 0%, rgba(255, 255, 255, 1) 100%);
    overflow: hidden;
}

/* Background blob decorations */
.about-hero::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(225, 36, 84, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
    filter: blur(40px);
}

.about-hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(13, 110, 253, 0.06) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
    filter: blur(40px);
}

.about-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-hero-title {
    font-family: "Exo", sans-serif;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary-color, #E12454) 0%, #ff5e62 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.about-hero-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color, #E12454) 0%, #ff5e62 100%);
    border-radius: 2px;
    margin: 20px auto;
    box-shadow: 0 2px 4px rgba(225, 36, 84, 0.3);
}

.about-hero-description {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-size: 1.15rem;
    color: #4b5563;
    line-height: 1.6;
    font-weight: 500;
}

/* Welcome split section */
.about-welcome-section {
    padding: 40px 0 80px;
    position: relative;
}

.about-card-welcome {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(229, 231, 235, 0.5);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card-welcome:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

.about-welcome-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(225, 36, 84, 0.1);
    color: var(--primary-color, #E12454);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 30px;
    margin-bottom: 15px;
}

.about-welcome-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 20px;
}

.about-welcome-text {
    font-size: 1.05rem;
    color: #4b5563;
    line-height: 1.7;
}

/* CSS footstep visualization map */
.about-dance-visual {
    background: #111827;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.about-dance-visual::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(225, 36, 84, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about-visual-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #9ca3af;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-visual-title i {
    color: var(--primary-color, #E12454);
}

.dance-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.dance-step-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 15px 10px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    cursor: default;
}

.dance-step-card:hover {
    background: rgba(225, 36, 84, 0.08);
    border-color: rgba(225, 36, 84, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(225, 36, 84, 0.15);
}

.step-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    border-radius: 50%;
    margin-bottom: 12px;
}

.dance-step-card:hover .step-count {
    background: var(--primary-color, #E12454);
}

.step-foot-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
    color: #6b7280;
    transition: color 0.3s ease, transform 0.3s ease;
}

.dance-step-card:hover .step-foot-icon {
    color: #fff;
    transform: scale(1.1);
}

.dance-step-card.active .step-foot-icon {
    color: var(--primary-color, #E12454);
}

.step-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: #e5e7eb;
    margin-bottom: 2px;
    display: block;
}

.step-desc {
    font-size: 0.68rem;
    color: #9ca3af;
    display: block;
}

.visual-arrow-connector {
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 1.2rem;
}

/* Features bento-inspired section */
.about-features-section {
    padding: 60px 0 100px;
    background: #fdfdfd;
}

.about-features-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-features-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.about-features-divider {
    width: 60px;
    height: 3px;
    background: #e5e7eb;
    margin: 15px auto;
}

.about-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

@media (max-width: 768px) {
    .about-feature-grid {
        grid-template-columns: 1fr;
    }
    .dance-steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-hero-title {
        font-size: 2.3rem;
    }
}

.about-feature-card {
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.7);
    border-radius: 20px;
    padding: 35px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.about-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: background 0.3s ease;
}

.about-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
    border-color: rgba(229, 231, 235, 0.3);
}

.about-feature-card:hover::before {
    background: var(--accent-gradient, var(--primary-color, #E12454));
}

.about-feature-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #f3f4f6;
    color: #4b5563;
    border-radius: 14px;
    margin-bottom: 25px;
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.about-feature-card:hover .about-feature-icon-wrapper {
    background: var(--accent-gradient-light, rgba(225, 36, 84, 0.1));
    color: var(--accent-color, var(--primary-color, #E12454));
    transform: scale(1.05) rotate(2deg);
}

.about-feature-title-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
}

.about-feature-desc-text {
    font-size: 0.98rem;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Card specific gradient mappings */
.about-feature-card.f-videos {
    --accent-color: #E12454;
    --accent-gradient: linear-gradient(180deg, #E12454 0%, #ff5e62 100%);
    --accent-gradient-light: rgba(225, 36, 84, 0.08);
}

.about-feature-card.f-steps {
    --accent-color: #0d6efd;
    --accent-gradient: linear-gradient(180deg, #0d6efd 0%, #0dcaf0 100%);
    --accent-gradient-light: rgba(13, 110, 253, 0.08);
}

.about-feature-card.f-groups {
    --accent-color: #198754;
    --accent-gradient: linear-gradient(180deg, #198754 0%, #20c997 100%);
    --accent-gradient-light: rgba(25, 135, 84, 0.08);
}

.about-feature-card.f-community {
    --accent-color: #fd7e14;
    --accent-gradient: linear-gradient(180deg, #fd7e14 0%, #ffc107 100%);
    --accent-gradient-light: rgba(253, 126, 20, 0.08);
}