@font-face {
    font-family: 'Pretendard';
    font-weight: 400 800;
    font-display: swap;
    src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');
}

:root {
    --navy-950: #002a54;
    --navy-900: #073465;
    --navy-800: #0e3f76;
    --navy-700: #185090;
    --accent: #2969b0;
    --accent-light: #4f8fdb;
    --ink: rgba(0, 0, 0, 0.78);
    --ink-soft: rgba(0, 0, 0, 0.6);
    --bg-soft: #f4f6fb;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Pretendard', 'Spoqa Han Sans Neo', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    line-height: 1.6;
    letter-spacing: -0.3px;
    color: var(--ink);
    background-color: #ffffff;
}

a { color: inherit; }

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Nav */
nav.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--navy-950);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

nav.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand img {
    height: 26px;
    display: block;
}

nav.topbar ul {
    list-style: none;
    display: flex;
    gap: 28px;
    margin: 0;
    padding: 0;
}

nav.topbar a.navlink {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
}

nav.topbar a.navlink:hover,
nav.topbar a.navlink.active { color: #fff; }

/* Home hero — logo only */
header.hero {
    background: radial-gradient(circle at 20% 20%, var(--navy-700), var(--navy-950) 65%);
    padding: 110px 24px;
    text-align: center;
}

header.hero .hero-logo {
    display: block;
    height: 110px;
    margin: 0 auto;
}

/* Sub-page header */
header.page-header {
    background: radial-gradient(circle at 20% 20%, var(--navy-700), var(--navy-950) 65%);
    color: #fff;
    padding: 64px 24px;
    text-align: center;
}

header.page-header h1 {
    margin: 0 0 10px;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -1px;
}

header.page-header p {
    margin: 0 auto;
    max-width: 560px;
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
}

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--bg-soft); }

.section-head {
    text-align: center;
    margin-bottom: 40px;
}

.section-head h2 {
    margin: 0 0 10px;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--navy-950);
}

.section-head p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 1rem;
}

p.body-text {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.05rem;
    color: var(--ink);
}

p.body-text + p.body-text { margin-top: 14px; }

p.body-text strong.hl {
    color: var(--navy-950);
    border-bottom: 3px solid var(--accent-light);
}

/* Two-column career path list */
ul.path-columns {
    list-style: none;
    margin: 36px auto 0;
    padding: 0;
    max-width: 620px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-auto-flow: column;
    grid-template-rows: repeat(5, auto);
    gap: 12px 24px;
}

ul.path-columns li {
    background: var(--bg-soft);
    border-radius: 10px;
    padding: 12px 16px;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--navy-950);
}

@media (max-width: 600px) {
    ul.path-columns {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
}

/* Fragmented-info tag row */
.tag-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.tag-pill {
    background: #fff;
    border: 1px solid #e0e6ee;
    padding: 10px 20px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--navy-950);
    box-shadow: 0 3px 10px rgba(15, 32, 66, 0.05);
}

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

.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 800px) {
    .grid { grid-template-columns: 1fr; }
    nav.topbar ul { gap: 16px; }
}

.card {
    background: #fff;
    border: 1px solid #e7ebf2;
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 6px 18px rgba(15, 32, 66, 0.05);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(15, 32, 66, 0.1);
}

.card .icon {
    font-size: 1.8rem;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(41, 105, 176, 0.1);
    margin-bottom: 16px;
    font-weight: 800;
    color: var(--navy-950);
}

.card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy-950);
}

.card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.card ul.sublist {
    margin: 12px 0 0;
    padding-left: 18px;
    font-size: 0.85rem;
    color: var(--ink-soft);
}

.card ul.sublist li { margin-bottom: 4px; }

a.card {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Interview list inside a category page */
.interview-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 720px;
    margin: 0 auto;
}

.interview-item {
    display: flex;
    gap: 18px;
    align-items: center;
    background: #fff;
    border: 1px solid #e7ebf2;
    border-radius: 14px;
    padding: 20px 24px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 6px 18px rgba(15, 32, 66, 0.05);
}

.interview-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 32, 66, 0.1);
}

.interview-item .avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.interview-item .meta h3 {
    margin: 0 0 4px;
    font-size: 1.05rem;
    color: var(--navy-950);
}

.interview-item .meta p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--ink-soft);
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: #fff;
    border: 1px dashed #dbe2ea;
    border-radius: 16px;
    color: var(--ink-soft);
    max-width: 520px;
    margin: 0 auto;
}

/* Interview detail page */
.interview-disclaimer {
    background: var(--bg-soft);
    border-left: 4px solid var(--accent-light);
    padding: 16px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--ink-soft);
    max-width: 720px;
    margin: 0 auto 48px;
}

.interview-part {
    max-width: 720px;
    margin: 0 auto 56px;
}

.interview-part h2 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--navy-950);
    border-left: 5px solid var(--accent-light);
    padding-left: 14px;
    margin-bottom: 28px;
}

.qa { margin-bottom: 26px; }

.qa .q {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 1rem;
}

.qa .q::before { content: "Q. "; }

.qa .a {
    color: var(--ink);
    white-space: pre-line;
    margin: 0;
}

/* Inline text links between pages */
.next-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 44px;
}

.next-links a {
    display: inline-block;
    padding: 13px 28px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
}

.next-links a.primary {
    background: linear-gradient(135deg, var(--accent), var(--navy-900));
    color: #fff;
}

.next-links a.secondary {
    background: #fff;
    border: 1px solid #dbe2ea;
    color: var(--navy-950);
}

/* Contact form */
.form-card {
    max-width: 560px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid #e7ebf2;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(15, 32, 66, 0.07);
}

form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

form label {
    display: flex;
    flex-direction: column;
    font-weight: 600;
    color: var(--navy-950);
    gap: 6px;
    font-size: 0.92rem;
}

form input,
form select,
form textarea {
    font-family: inherit;
    font-size: 1rem;
    padding: 12px 14px;
    border: 1px solid #dbe2ea;
    border-radius: 10px;
    background: var(--bg-soft);
    color: var(--ink);
}

form input:focus,
form select:focus,
form textarea:focus {
    outline: none;
    border-color: var(--accent-light);
    background: #fff;
}

form textarea {
    min-height: 120px;
    resize: vertical;
}

form button {
    margin-top: 4px;
    padding: 14px;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--navy-900));
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

form button:hover { filter: brightness(1.08); }

.form-note {
    font-size: 0.82rem;
    color: #888;
    margin-top: 14px;
    text-align: center;
}

/* Footer */
footer.site-footer {
    background: var(--navy-950);
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 40px 24px;
    font-size: 0.85rem;
}

footer.site-footer .brand {
    justify-content: center;
    margin-bottom: 12px;
}

footer.site-footer .brand img {
    height: 22px;
}

footer.site-footer nav {
    margin-bottom: 14px;
}

footer.site-footer nav a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.85rem;
    margin: 0 10px;
}

footer.site-footer nav a:hover { color: #fff; }