@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard-dynamic-subset.css');

:root {
    --brand-primary: #014B96;
    --brand-secondary: #007bff;
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-subtle: #6b7280;
    --surface-primary: #ffffff;
    --surface-secondary: #f8f9fa;
    --border-color: #e5e7eb;
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
}
body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    background-color: var(--surface-secondary);
    color: var(--text-secondary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em; /* 자간 미세 조정 */
}
a { text-decoration: none; color: inherit; }

main, footer .footer-container {
    width: 100%;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

header {
    max-width: 1200px;
    width: 95%;
    margin: 16px auto;
    border-radius: 16px;
    top: 16px;
    padding: 10px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    position: sticky;
    z-index: 1000;
}
.logo img { max-width: 200px; height: auto; display: block; }
nav ul { list-style: none; display: flex; gap: 28px; font-weight: 500; align-items: center; }
.nav-item a { padding: 8px 4px; transition: color 0.3s ease; font-size: 1rem; }
.nav-item a:hover { color: var(--brand-primary); }
.nav-item.active a { color: var(--brand-primary); font-weight: 700; }
.nav-cta a {
    background-color: var(--brand-primary); color: #fff; padding: 10px 20px;
    border-radius: 20px; font-weight: 700; transition: all 0.3s ease;
}
.nav-cta a:hover { background-color: #0056b3; transform: translateY(-2px); }


main { padding-top: 60px; padding-bottom: 120px; }

.section-title {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.section-title h2 { font-size: 2.5rem; font-weight: 800; color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.02em; }
.section-title p { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; word-break: keep-all; }
.section-tag { display: inline-block; font-size: 0.9rem; font-weight: 600; color: var(--brand-primary); margin-bottom: 12px; }


p {
    word-break: keep-all;
    word-wrap: break-word;
}


.about-hero {
    text-align: center;
    padding: 100px 40px;
    background: var(--surface-primary);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}
.about-hero h1 { font-size: 3rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em; line-height: 1.3; margin-bottom: 16px; }
.about-hero .subtitle { font-size: 1.2rem; color: var(--text-secondary); max-width: 700px; margin: 0 auto; line-height: 1.8; }


.ceo-message-section { display: flex; align-items: center; gap: 80px; padding: 120px 0; flex-wrap: wrap; }
.ceo-message-section .feature-image { flex: 1 1 400px; }
.ceo-message-section .feature-text { flex: 1 1 500px; }
.ceo-message-section h2 { font-size: 2.25rem; font-weight: 700; color: var(--text-primary); line-height: 1.4; margin-bottom: 24px; word-break: keep-all; }
.feature-image img { width: 100%; height: auto; display: block; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.ceo-signature { text-align: right; margin-top: 40px; }
.ceo-signature p { margin: 0; font-size: 1rem; color: var(--text-subtle); }
.ceo-signature h3 { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }


.philosophy-section { padding-bottom: 120px; }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.philosophy-grid .card {
    background: var(--surface-primary); padding: 40px; border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05); transition: all 0.4s ease;
}
.philosophy-grid .card:hover { transform: translateY(-8px); box-shadow: 0 12px 24px rgba(0,0,0,0.08); }
.philosophy-grid .card h4 {
    font-size: 1rem; font-weight: 700; color: var(--brand-primary);
    margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em;
}
.philosophy-grid .card p, .philosophy-grid .card li { font-size: 1.1rem; line-height: 1.6; font-weight: 500; }
.philosophy-grid .core-values ul { list-style: none; }
.philosophy-grid .core-values li { margin-bottom: 16px; }
.philosophy-grid .core-values li strong { color: var(--text-primary); display: block; margin-bottom: 4px; font-weight: 600; }


.services-section { padding: 100px 40px; background: var(--surface-primary); border-radius: 16px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.service-card { padding: 32px; border-radius: 12px; border: 1px solid transparent; background: var(--surface-secondary); transition: border-color 0.3s ease; }
.service-card:hover { border-color: var(--brand-secondary); }
.service-card h5 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; color: var(--brand-primary); }


.solution-chart-section { padding: 120px 0; }
.solution-flow { display: flex; flex-direction: column; gap: 24px; }
.flow-pair { display: flex; align-items: stretch; gap: 20px; }
.problem-node, .solution-node { flex: 1; padding: 24px; border-radius: 12px; }
.problem-node { background: #ffebee; border: 1px solid #ffcdd2; }
.solution-node { background: #e3f2fd; border: 1px solid #bbdefb; }
.node-icon {
    display: inline-flex; justify-content: center; align-items: center;
    width: 24px; height: 24px; border-radius: 50%; color: #fff;
    font-weight: 700; margin-right: 12px; float: left; font-size: 0.9rem;
}
.problem-node .node-icon { background-color: #d32f2f; }
.solution-node .node-icon { background-color: #1976d2; }
.problem-node strong, .solution-node strong { display: block; font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.flow-arrow { width: 32px; height: 32px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239ca3af'%3E%3Cpath d='M16.172 11l-5.364-5.364 1.414-1.414L20 12l-7.778 7.778-1.414-1.414L16.172 13H4v-2z'/%3E%3C/svg%3E"); background-size: contain; background-repeat: no-repeat; background-position: center; align-self: center; }


.cta-section { text-align: center; padding: 80px 40px; background-color: var(--surface-primary); margin-top: 80px; border-radius: 16px; }
.cta-section h2 { font-size: 2.25rem; font-weight: 700; margin-bottom: 30px; letter-spacing: -0.02em; }
.btn-primary {
    background: var(--brand-primary); color: white; padding: 16px 32px; font-size: 1.15rem; font-weight: 600;
    border-radius: 10px; box-shadow: 0 4px 15px rgba(1, 75, 150, 0.2); transition: all 0.3s ease; display: inline-block;
}
.btn-primary:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(1, 75, 150, 0.3); }


footer {
    background-color: #1f2937; color: #d1d5db; font-size: 0.9rem;
    padding: 60px 20px; margin-top: 120px; max-width: none;
}
.footer-container { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 40px; }
.footer-info { flex-grow: 1; }
.footer-info p { margin-bottom: 5px; color: #9ca3af; }
.footer-info strong { font-weight: 600; color: #f9fafb; }
.footer-bottom { text-align: right; flex-shrink: 0; }
.footer-links a { color: #d1d5db; transition: color 0.2s ease; }
.footer-links a:hover { color: #ffffff; }
.footer-links span { margin: 0 12px; color: #4b5563; }
.footer-copyright { margin-top: 20px; color: #6b7280; font-size: 0.85rem; }


.reveal-section { opacity: 0; transform: translateY(40px); transition: opacity 1s ease-out, transform 1s ease-out; }
.reveal-section.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 992px) {
    .philosophy-grid { grid-template-columns: 1fr; }
    .ceo-message-section { flex-direction: column-reverse; gap: 40px; }
}
@media (max-width: 768px) {
    header {
        padding: 15px 20px;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    .flow-pair { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); margin: 0; }
    .footer-container { flex-direction: column; text-align: center; }
    .footer-bottom { text-align: center; }
}