/* About — TicketBNK / SOTSYSTEMS */

.about-page { overflow-x: hidden; }

.about-container {
    width: min(1400px, 100% - 2.5rem);
    margin-inline: auto;
}

/* Hero — 레이아웃은 hero-unified.css */
.about-hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(100deg, rgba(6, 12, 24, 0.93) 0%, rgba(15, 39, 68, 0.85) 50%, rgba(6, 12, 24, 0.8) 100%),
        url('../images/products/estar-3-front.png') 75% center / auto 85% no-repeat,
        url('../images/products/estar-3-side.png') center / cover no-repeat;
    pointer-events: none;
    z-index: 0;
}
.about-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 70% at 20% 40%, rgba(37, 99, 235, 0.25), transparent 55%);
    pointer-events: none;
}
.about-hero .about-container {
    position: relative;
    z-index: 1;
    color: #fff;
}
.about-hero .breadcrumb {
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1rem;
}
.about-hero .breadcrumb a { color: rgba(255, 255, 255, 0.75); }
.about-hero-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #93c5fd;
    margin: 0 0 0.75rem;
}
.about-hero h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 4.5vw, 2.85rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
}
.about-hero-lead {
    margin: 0 0 1.75rem;
    font-size: clamp(0.95rem, 2vw, 1.08rem);
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.7;
}
.about-hero-lead strong { color: #fff; font-weight: 600; }
.about-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.about-hero-actions .btn-outline {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

/* Sections */
.about-section {
    padding: 4.5rem 0;
}
.about-section--alt {
    background: linear-gradient(180deg, var(--bg) 0%, #e8ecf2 100%);
}
.about-head {
    max-width: 640px;
    margin-bottom: 2.5rem;
}
.about-head.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.about-head .label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 0.5rem;
}
.about-head h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.45rem, 3vw, 1.9rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}
.about-head p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Intro split */
.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
@media (max-width: 900px) {
    .about-split { grid-template-columns: 1fr; gap: 2rem; }
}
.about-split-copy h2 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    font-weight: 800;
}
.about-split-copy p {
    margin: 0 0 1rem;
    color: var(--text-muted);
    line-height: 1.7;
}
.about-split-copy .highlight {
    padding: 1.25rem;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    border-left: 4px solid var(--accent);
    color: var(--text);
    font-weight: 500;
    line-height: 1.6;
}
.about-brand-note {
    margin-top: 1.5rem;
    font-size: 0.88rem;
    color: var(--text-muted);
}
.about-brand-note strong { color: var(--text); }
.about-media-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.about-media-inner {
    aspect-ratio: 4 / 5;
    max-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(160deg, #f8fafc, #eef2f7);
}
.about-media-inner img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.12));
}
.about-media-inner--photo {
    aspect-ratio: 4 / 3;
    max-height: none;
    padding: 0;
}
.about-media-inner--photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    filter: none;
}

/* Capability cards */
.about-cap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}
@media (max-width: 1024px) { .about-cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .about-cap-grid { grid-template-columns: 1fr; } }
.about-cap-card {
    padding: 1.75rem 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s, box-shadow 0.25s;
}
.about-cap-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.about-cap-card .ico {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}
.about-cap-card h3 {
    margin: 0 0 0.4rem;
    font-size: 1.05rem;
    font-weight: 800;
}
.about-cap-card p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    color: #fff;
}
@media (max-width: 768px) { .about-stats { grid-template-columns: repeat(2, 1fr); padding: 1.75rem; } }
.about-stat {
    text-align: center;
    padding: 0.5rem;
}
.about-stat .num {
    display: block;
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.35rem;
    color: #93c5fd;
}
.about-stat .num-suffix {
    font-size: 0.65em;
    font-weight: 700;
}
.about-stat span {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 500;
}

/* Vision / Philosophy */
.about-quote-block {
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    max-width: 880px;
    margin-inline: auto;
    text-align: center;
}
.about-quote-block h2 {
    margin: 0 0 1rem;
    font-size: 1.65rem;
    font-weight: 800;
}
.about-quote-block p {
    margin: 0 0 0.75rem;
    color: var(--text-muted);
    font-size: 1.02rem;
    line-height: 1.75;
}
.about-quote-block p:last-child { margin-bottom: 0; }

/* Business areas */
.about-areas {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
}
@media (max-width: 900px) { .about-areas { grid-template-columns: repeat(2, 1fr); } }
.about-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.25rem 0.75rem;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.about-area:hover {
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.about-area .ico { font-size: 1.6rem; margin-bottom: 0.45rem; }
.about-area span { font-size: 0.9rem; font-weight: 600; }

/* Tech stack */
.about-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}
.about-tech-pill {
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}
.about-tech-pill:hover {
    background: var(--accent-soft);
    border-color: rgba(37, 99, 235, 0.35);
    color: var(--accent);
}
.about-tech-pill--core {
    background: linear-gradient(135deg, var(--accent-soft), rgba(124, 58, 237, 0.12));
    border-color: rgba(37, 99, 235, 0.25);
}

/* Timeline */
.about-timeline {
    position: relative;
    max-width: 840px;
    margin: 0 auto;
    padding-left: 2rem;
}
.about-timeline::before {
    content: '';
    position: absolute;
    left: 0.45rem;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
    border-radius: 2px;
}
.about-timeline-item {
    position: relative;
    padding: 0 0 2rem 1.75rem;
    opacity: 0;
    transform: translateX(-16px);
    transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.about-timeline-item.is-visible {
    opacity: 1;
    transform: none;
}
.about-timeline-item::before {
    content: '';
    position: absolute;
    left: -1.55rem;
    top: 0.35rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.about-timeline-year {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-bottom: 0.25rem;
}
.about-timeline-item h3 {
    margin: 0 0 0.35rem;
    font-size: 1.05rem;
    font-weight: 700;
}
.about-timeline-item p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.55;
}
.about-timeline-list {
    margin: 0.5rem 0 0;
    padding-left: 1.15rem;
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.about-timeline-list li {
    margin-bottom: 0.3rem;
}

/* 운영 영역 카드 — 키오스크 · 유인 매표 · 웹스파 */
.about-solutions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}
@media (max-width: 768px) {
    .about-solutions { grid-template-columns: 1fr; }
}
.about-solution-card {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.about-solution-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.about-solution-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: center 40%;
}
.about-solution-card figcaption {
    padding: 0.85rem 1rem;
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    color: var(--text);
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
}

/* Product strip (legacy) */
.about-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}
@media (max-width: 768px) { .about-products { grid-template-columns: 1fr; } }
.about-product-thumb {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
}
.about-product-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.about-product-thumb span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}
.about-product-thumb--photo {
    padding: 0;
}
.about-product-thumb--photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
}

.about-operation {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}
@media (max-width: 900px) {
    .about-operation { grid-template-columns: 1fr; }
}
.about-operation-figure {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}
.about-operation-figure img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: center 35%;
}
.about-operation-figure figcaption {
    padding: 0.85rem 1rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
}
.about-operation-copy h3 {
    margin: 0 0 0.85rem;
    font-size: clamp(1.25rem, 2.5vw, 1.55rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}
.about-operation-copy p {
    margin: 0 0 1.25rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* CTA */
.about-cta {
    text-align: center;
    padding: 3.5rem 2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
    color: #fff;
    box-shadow: 0 24px 48px rgba(37, 99, 235, 0.28);
}
.about-cta h2 {
    margin: 0 0 0.65rem;
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    font-weight: 800;
}
.about-cta p {
    margin: 0 0 1.5rem;
    opacity: 0.92;
    max-width: 36em;
    margin-left: auto;
    margin-right: auto;
}
.about-cta .btn {
    background: #fff;
    color: var(--accent);
    font-weight: 700;
    border: none;
}

/* Reveal */
.about-page [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}
.about-page [data-reveal="fade-left"] { transform: translateX(-24px); }
.about-page [data-reveal="fade-right"] { transform: translateX(24px); }
.about-page [data-reveal].is-visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .about-page [data-reveal],
    .about-timeline-item {
        opacity: 1;
        transform: none;
        transition: none;
    }
}