/* Activity Detail: Zero-Ichi 2026 */

:root {
    --color-zi-accent: #FF4500; /* Orange-Red for Passion */
    --color-zi-bg-light: #f9fbfb;
}

/* Hero Section (Standardized) */
.zi-standard-hero {
    background: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url('../../images/zero-ichi.webp');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
}

/* Section Headers */
.zi-section-header {
    margin-bottom: 50px;
}

.zi-section-header.center {
    text-align: center;
}

.zi-title {
    font-family: var(--font-en);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-teal);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.zi-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--color-zi-accent);
}

.zi-section-header.center .zi-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.zi-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 10px;
    color: #333;
}

/* About Grid */
.zi-content-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.zi-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.zi-text p.lead {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-teal);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.f-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-bottom: 4px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.f-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 128, 128, 0.1);
    border-bottom-color: var(--color-teal);
}

.f-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 128, 128, 0.05);
    color: var(--color-teal);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.f-icon svg {
    width: 32px;
    height: 32px;
}

.f-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--color-teal);
    font-weight: 700;
}

.f-card p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: #666;
    text-align: left;
}

/* Vertical Timeline */
.vertical-timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto;
    padding-left: 50px;
}

.vertical-timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-teal), #eee);
}

.timeline-item {
    position: relative;
    margin-bottom: 80px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -50px;
    top: 10px;
    width: 16px;
    height: 16px;
    background: var(--color-teal);
    border: 4px solid white;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(0, 128, 128, 0.1);
}

/* Demo Day Highlight */
.timeline-item.highlight-fgn::before {
    background: #D4AF37; /* Gold */
    box-shadow: 0 0 0 8px rgba(212, 175, 55, 0.2);
    width: 24px;
    height: 24px;
    left: -54px;
}

.timeline-item.highlight-fgn .t-date {
    color: #D4AF37;
    font-size: 1.1rem;
    font-weight: 900;
}

.timeline-item.highlight-fgn .t-content h3 {
    font-size: 1.8rem;
    color: var(--color-teal);
    font-weight: 900;
    margin-bottom: 15px;
}

.t-date {
    font-family: var(--font-en);
    font-weight: 900;
    color: var(--color-teal);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    margin-bottom: 5px;
}

.t-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #333;
}

.zi-about-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    object-fit: cover;
}

.t-photo {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.t-photo:hover {
    transform: scale(1.02);
}

.t-photo-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #f8f9f9;
    margin-top: 20px;
    border-radius: 12px;
    border: 1px dashed #ddd;
    position: relative;
    overflow: hidden;
    transition: var(--trans-fast);
}

.t-photo-placeholder:hover {
    background: #f0f3f3;
    border-color: var(--color-teal);
}

.t-photo-placeholder::after {
    content: 'ACTIVITY PHOTO';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.7rem;
    color: #bbb;
    font-family: var(--font-en);
    letter-spacing: 0.2em;
    border: 1px solid #eee;
    padding: 8px 16px;
}

.timeline-item.highlight-fgn .t-photo-placeholder {
    border-color: #D4AF37;
    background: rgba(212, 175, 55, 0.03);
}

/* Demo Day Frame */
.demoday-frame {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    background: #000;
    color: white;
    border-radius: 20px;
    overflow: hidden;
}

.demoday-info {
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Placeholder */
.placeholder-img {
    background: #eee;
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.placeholder-img.full {
    border-radius: 0;
    height: 100%;
}

.img-label {
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: #999;
    letter-spacing: 0.1em;
    border: 1px solid #ddd;
    padding: 8px 16px;
}

/* CTA */
.zi-cta {
    background-color: var(--color-zi-bg-light);
    padding: 120px 0;
}

.zi-cta h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--color-teal);
}

.cta-btns {
    margin-top: 40px;
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Bottom Nav Section */
.zi-bottom-nav {
    padding-top: 0;
    padding-bottom: 60px;
}

#luma-registration-area {
    margin-bottom: 40px;
    text-align: center;
    border: 1px dashed #ccc;
    padding: 60px 20px;
    background: #fdfdfd;
    color: #888;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 12px;
    font-size: 0.9rem;
}

.back-to-list-wrapper {
    text-align: center;
}

.back-to-list-btn {
    display: inline-block;
    padding: 14px 40px;
    border: 1px solid var(--color-teal);
    color: var(--color-teal);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 700;
    transition: all 0.3s ease;
    font-family: var(--font-en);
    letter-spacing: 0.1em;
    font-size: 0.9rem;
}

.back-to-list-btn:hover {
    background: var(--color-teal);
    color: white;
}

/* Responsive */
@media (max-width: 992px) {
    .zi-content-grid,
    .demoday-frame {
        grid-template-columns: 1fr;
    }
    
    .demoday-info {
        padding: 40px;
        order: 2;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-sub {
        padding: 80px 0;
    }
    
    .zi-title {
        font-size: 2.2rem;
    }
    
    .vertical-timeline {
        padding-left: 30px;
    }
    
    .timeline-item::before {
        left: -30px;
    }
    
    .timeline-item.highlight-fgn::before {
        left: -34px;
    }
    
    .cta-btns {
        flex-direction: column;
        align-items: center;
    }

    .zi-cta h2 {
        font-size: 2rem;
    }

    #luma-registration-area {
        padding: 40px 15px;
        margin-left: 15px;
        margin-right: 15px;
    }
}