/* 그수다 트레이딩 웹사이트 스타일 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #0f3460;
    --highlight: #e94560;
    --text: #eee;
    --text-muted: #a7a7a7;
    --card-bg: #16213e;
}

body {
    font-family: 'Segoe UI', 'Noto Sans KR', sans-serif;
    line-height: 1.8;
    color: var(--text);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Particle Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.3;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 */
.site-header {
    background: rgba(12, 12, 28, 0.92);
    backdrop-filter: blur(18px);
    padding: 1.2rem 0;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(233, 69, 96, 0.15);
}

.nav-inner {
    display: grid;
    grid-template-columns: max-content 1fr max-content;
    align-items: center;
    gap: 2.5rem;
}

.brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    position: relative;
}

.brand-logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fff;
}

.brand-tagline {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: rgba(255,255,255,0.6);
    margin-top: 0.4rem;
}

.primary-nav ul {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.5rem;
    list-style: none;
}

.nav-inline-cta {
    display: none;
}

.nav-inline-cta a {
    border: 1px solid rgba(233, 69, 96, 0.5);
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    letter-spacing: 0.2em;
    background: rgba(233, 69, 96, 0.12);
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.25);
}

.primary-nav a {
    position: relative;
    text-decoration: none;
    color: rgba(255,255,255,0.85);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.22em;
    padding: 0.6rem 0.9rem;
    transition: color 0.3s ease;
}

.primary-nav a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--highlight), transparent);
    transform: translateX(-50%);
    transition: width 0.35s ease;
}

.primary-nav a:hover,
.primary-nav a.active {
    color: #fff;
}

.primary-nav a:hover::after,
.primary-nav a.active::after {
    width: 80%;
}

.nav-cta {
    padding: 0.65rem 1.6rem;
    font-size: 0.78rem;
    letter-spacing: 0.24em;
    border-width: 1px;
    box-shadow: 0 12px 30px rgba(233, 69, 96, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    width: 44px;
    height: 44px;
    background: rgba(233, 69, 96, 0.15);
    border: 1px solid rgba(233, 69, 96, 0.4);
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: #fff;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle:hover {
    box-shadow: 0 12px 30px rgba(233, 69, 96, 0.3);
    border-color: var(--highlight);
}

/* 메인 콘텐츠 */
main {
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
}

/* Hero 섹션 */
.hero {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.15) 0%, rgba(15, 52, 96, 0.15) 100%);
    border-radius: 20px;
    margin-bottom: 4rem;
    border: 2px solid var(--highlight);
    box-shadow: 0 10px 50px rgba(233, 69, 96, 0.3);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 3rem;
    align-items: center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(233, 69, 96, 0.2);
    border: 1px solid rgba(233, 69, 96, 0.6);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    box-shadow: 0 0 20px rgba(233, 69, 96, 0.3);
}

.hero-title {
    font-size: 5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--highlight) 50%, #ff6b9d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 40px rgba(233, 69, 96, 0.5);
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--highlight);
    font-weight: 600;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px rgba(233, 69, 96, 0.8);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(233, 69, 96, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(233, 69, 96, 1), 0 0 40px rgba(233, 69, 96, 0.8);
    }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 2rem 0 0 0;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn.primary {
    background: linear-gradient(135deg, var(--highlight), #ff6b9d);
    color: #fff;
    box-shadow: 0 10px 30px rgba(233, 69, 96, 0.4);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(233, 69, 96, 0.6);
}

.btn.ghost {
    color: var(--text);
    border-color: rgba(233, 69, 96, 0.5);
    background: rgba(233, 69, 96, 0.08);
}

.btn.ghost:hover {
    border-color: var(--highlight);
    background: rgba(233, 69, 96, 0.15);
    transform: translateY(-3px);
}

.btn.large {
    padding: 1.1rem 2.6rem;
    font-size: 1rem;
}

.hero-highlights {
    list-style: none;
    margin-top: 2.5rem;
    display: grid;
    gap: 1rem;
    padding: 0;
}

.hero-highlights li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
    color: var(--text-muted);
}

.hero-highlights i {
    color: var(--highlight);
    font-size: 1.2rem;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbital {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(233, 69, 96, 0.4), rgba(15, 52, 96, 0.2), transparent 70%);
    border: 1px solid rgba(233, 69, 96, 0.3);
    box-shadow: 0 0 60px rgba(233, 69, 96, 0.25), inset 0 0 40px rgba(233, 69, 96, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(233, 69, 96, 0.3);
    animation: pulseRing 4s ease-out infinite;
}

.pulse.delayed {
    animation-delay: 1.5s;
}

@keyframes pulseRing {
    0% {
        transform: scale(0.9);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.hero-stat-card {
    position: absolute;
    bottom: -20px;
    left: -30px;
    min-width: 160px;
    padding: 1.2rem 1.5rem;
    background: rgba(15, 52, 96, 0.85);
    border-radius: 16px;
    border: 1px solid rgba(233, 69, 96, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-stat-card.alt {
    top: -20px;
    right: -30px;
    left: auto;
    bottom: auto;
    background: rgba(233, 69, 96, 0.15);
}

.hero-stat-card strong {
    display: block;
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7);
}

.stat-footnote {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(233, 69, 96, 0.5);
    background: rgba(233, 69, 96, 0.12);
    color: rgba(255,255,255,0.85);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.lead {
    margin-top: 1.6rem;
    font-size: 1.1rem;
    line-height: 1.9;
    color: rgba(233, 235, 255, 0.78);
}

.about-hero {
    background: linear-gradient(135deg, rgba(33, 18, 54, 0.75) 0%, rgba(15, 52, 96, 0.45) 100%);
    border: 2px solid rgba(233, 69, 96, 0.25);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

.about-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    align-items: start;
}

.about-highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.about-highlight {
    background: rgba(255,255,255,0.04);
    border-radius: 18px;
    padding: 1.6rem;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: inset 0 0 20px rgba(233, 69, 96, 0.08);
}

.about-highlight .label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.8rem;
}

.about-highlight strong {
    display: block;
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 0.4rem;
}

.about-hero-side {
    display: grid;
    gap: 2rem;
}

.signature-card {
    background: rgba(255,255,255,0.05);
    border-radius: 18px;
    border: 1px solid rgba(233, 69, 96, 0.25);
    padding: 2.2rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    text-align: center;
}

.signature-card .quote {
    font-size: 1.4rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
}

.signature-card .signature {
    margin-top: 1.5rem;
    color: var(--highlight);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.credential-list {
    list-style: none;
    display: grid;
    gap: 1rem;
}

.credential-list li {
    background: rgba(8, 12, 30, 0.7);
    border-radius: 16px;
    padding: 1.4rem 1.8rem;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 15px 35px rgba(0,0,0,0.35);
}

.cred-title {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.65);
    margin-bottom: 0.6rem;
}

.cred-desc {
    color: rgba(233, 235, 255, 0.75);
    font-size: 0.95rem;
}

.about-panels {
    background: linear-gradient(135deg, rgba(10, 12, 32, 0.7) 0%, rgba(26, 26, 46, 0.6) 100%);
    border: 2px solid rgba(233, 69, 96, 0.2);
}

.about-panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.about-panel {
    background: rgba(12, 16, 42, 0.75);
    border-radius: 18px;
    padding: 2.2rem;
    border: 1px solid rgba(233, 69, 96, 0.2);
    box-shadow: 0 15px 40px rgba(0,0,0,0.35);
}

.about-panel h4 {
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 1rem;
}

.about-panel ul {
    list-style: none;
    margin-top: 1.5rem;
    display: grid;
    gap: 0.8rem;
}

.about-panel ul li {
    color: var(--text-muted);
    position: relative;
    padding-left: 1.2rem;
}

.about-panel ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--highlight);
}

.contact-shell {
    background: linear-gradient(135deg, rgba(29, 18, 52, 0.75) 0%, rgba(15, 52, 96, 0.45) 100%);
    border: 2px solid rgba(233, 69, 96, 0.25);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: start;
}

.contact-info-card {
    display: grid;
    gap: 2rem;
}

.contact-meta {
    display: grid;
    gap: 1.2rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    background: rgba(255,255,255,0.04);
    padding: 1.1rem 1.4rem;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.08);
}

.meta-label {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

.meta-value {
    font-size: 1rem;
    color: rgba(233, 235, 255, 0.85);
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.channel-card {
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 1.6rem;
    border: 1px solid rgba(233, 69, 96, 0.2);
    text-align: left;
    box-shadow: 0 15px 35px rgba(0,0,0,0.35);
}

.channel-card i {
    font-size: 1.8rem;
    color: var(--highlight);
    margin-bottom: 1rem;
}

.channel-card h4 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 0.6rem;
}

.channel-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

.contact-form-card {
    background: rgba(8, 10, 26, 0.85);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(233, 69, 96, 0.25);
    box-shadow: 0 20px 55px rgba(0,0,0,0.45);
}

.contact-form-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
}

.form-subtext {
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.btn.full {
    width: 100%;
    justify-content: center;
}
.section-subtitle {
    color: var(--text-muted);
    max-width: 700px;
    margin: -1rem 0 2.5rem 0;
    font-size: 1.05rem;
}

.metrics {
    background: linear-gradient(135deg, rgba(15, 52, 96, 0.4) 0%, rgba(26, 26, 46, 0.6) 100%);
    border: 2px solid rgba(233, 69, 96, 0.25);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.metric-card {
    background: rgba(10, 15, 40, 0.6);
    border-radius: 18px;
    padding: 2.2rem;
    border: 1px solid rgba(233, 69, 96, 0.2);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.4s ease;
}

.metric-card::after {
    content: '';
    position: absolute;
    top: -60%;
    right: -40%;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(233, 69, 96, 0.35), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.metric-card:hover {
    transform: translateY(-12px);
    border-color: rgba(233, 69, 96, 0.5);
}

.metric-card:hover::after {
    opacity: 1;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
}

.metric-label {
    font-size: 1.1rem;
    margin-top: 1rem;
    color: var(--text);
    font-weight: 600;
}

.metric-footnote {
    display: block;
    margin-top: 0.8rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.edge {
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1) 0%, rgba(15, 52, 96, 0.4) 100%);
    border: 2px solid rgba(233, 69, 96, 0.2);
}

.edge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    margin-top: 2.5rem;
}

.edge-card {
    background: rgba(12, 18, 40, 0.7);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    border: 1px solid rgba(233, 69, 96, 0.25);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.edge-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.15), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.edge-card:hover {
    transform: translateY(-16px);
    box-shadow: 0 25px 60px rgba(233, 69, 96, 0.35);
}

.edge-card:hover::before {
    opacity: 1;
}

.edge-icon {
    font-size: 2.3rem;
    color: var(--highlight);
    margin-bottom: 1.5rem;
}

.edge-footnote {
    display: block;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.workflow {
    background: rgba(10, 18, 45, 0.6);
    border: 2px solid rgba(233, 69, 96, 0.2);
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.workflow-step {
    background: rgba(8, 12, 30, 0.7);
    border-radius: 18px;
    padding: 2rem;
    border: 1px solid rgba(233, 69, 96, 0.2);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
}

.workflow-step::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.25), transparent 70%);
    opacity: 0.5;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(233, 69, 96, 0.3);
    margin-bottom: 1.5rem;
}

.workflow-step h4 {
    font-size: 1.3rem;
    color: #fff;
}

.workflow-step p {
    margin-top: 0.8rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.cta-block {
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.15) 0%, rgba(15, 52, 96, 0.45) 100%);
    border: 2px solid rgba(233, 69, 96, 0.3);
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.cta-content h2 {
    font-size: 2.6rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    max-width: 720px;
    margin: 0 auto 2.5rem auto;
    color: var(--text-muted);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem;
}
/* Philosophy 섹션 */
.philosophy {
    background: linear-gradient(135deg, rgba(15, 52, 96, 0.3) 0%, rgba(26, 26, 46, 0.5) 100%);
    padding: 4rem 2rem;
    border-radius: 20px;
    margin-bottom: 4rem;
    border: 2px solid rgba(233, 69, 96, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.philosophy-item {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.9) 0%, rgba(15, 52, 96, 0.9) 100%);
    padding: 3rem;
    border-radius: 20px;
    border: 2px solid rgba(233, 69, 96, 0.3);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

.philosophy-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.1), transparent);
    transition: left 0.5s;
}

.philosophy-item:hover::before {
    left: 100%;
}

.philosophy-item:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: 0 20px 60px rgba(233, 69, 96, 0.6), 0 0 40px rgba(233, 69, 96, 0.4);
    border-color: var(--highlight);
    border-width: 3px;
}

/* Icon Wrapper */
.icon-wrapper {
    font-size: 4.5rem;
    color: var(--highlight);
    margin-bottom: 2rem;
    text-align: center;
    transition: all 0.5s ease;
    display: block;
    background: rgba(233, 69, 96, 0.1);
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--highlight);
}

.philosophy-item:hover .icon-wrapper {
    transform: scale(1.3) rotate(360deg);
    filter: drop-shadow(0 0 30px rgba(233, 69, 96, 0.8));
    background: rgba(233, 69, 96, 0.2);
    border-color: #fff;
}

.number {
    font-size: 5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--highlight) 0%, #ff6b9d 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
    margin-bottom: 1rem;
    text-align: center;
    line-height: 1;
    text-shadow: 0 0 20px rgba(233, 69, 96, 0.3);
}

.philosophy-item h3 {
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.philosophy-item p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* Mission 섹션 */
.mission {
    background: rgba(255,255,255,0.03);
    padding: 4rem 2rem;
    border-radius: 20px;
    margin-bottom: 4rem;
    border: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.mission h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text);
}

.mission-text {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--highlight);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.mission-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.detail-item strong {
    display: block;
    font-size: 1.5rem;
    color: var(--highlight);
    margin-bottom: 0.5rem;
}

.detail-item p {
    color: var(--text-muted);
}

/* About 페이지 */
.about-intro {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 2rem;
    background: rgba(255,255,255,0.03);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.intro-text {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--highlight);
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-detail,
.methodology,
.founders-note,
.technology {
    background: rgba(255,255,255,0.03);
    padding: 3rem 2rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.philosophy-detail h3,
.methodology h3,
.founders-note h3,
.technology h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text);
    border-bottom: 2px solid var(--highlight);
    padding-bottom: 1rem;
}

.philosophy-flow {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.flow-item {
    flex: 1;
    min-width: 200px;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border-top: 3px solid var(--highlight);
}

.flow-item h4 {
    color: var(--highlight);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.arrow {
    font-size: 2rem;
    color: var(--highlight);
    font-weight: bold;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.method-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--highlight);
}

.method-card h4 {
    color: var(--highlight);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Founder's Note */
.founders-note blockquote {
    border-left: 4px solid var(--highlight);
    padding-left: 2rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--highlight);
    font-size: 1.2rem;
}

.note-content {
    margin-bottom: 1.5rem;
    line-height: 2;
    color: var(--text-muted);
}

/* Technology */
.tech-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
}

.tech-category h4 {
    color: var(--highlight);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.tech-category ul {
    list-style: none;
}

.tech-category li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.tech-category li:last-child {
    border-bottom: none;
}

/* Contact 페이지 */
.contact-form {
    max-width: none;
    margin: 0;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--card-bg);
    color: var(--text);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight);
}

button:not(.btn) {
    background: var(--highlight);
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

button:not(.btn):hover {
    background: #d63851;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(233, 69, 96, 0.4);
}

/* 알림 */
.alert {
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.alert.success {
    background: rgba(46, 213, 115, 0.2);
    border: 2px solid #2ed573;
    color: #2ed573;
}

/* Section 공통 */
section {
    background: rgba(255,255,255,0.03);
    padding: 3rem 2rem;
    margin-bottom: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
}

section h2 {
    color: var(--text);
    margin-bottom: 2rem;
    font-size: 2.5rem;
    border-bottom: 3px solid var(--highlight);
    padding-bottom: 1rem;
}

section h3 {
    color: var(--text);
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

/* 푸터 */
footer {
    background: rgba(26, 26, 46, 0.95);
    color: var(--text);
    text-align: center;
    padding: 3rem 0;
    margin-top: 4rem;
    border-top: 2px solid rgba(255,255,255,0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in[data-delay="0"] {
    animation-delay: 0s;
}

.fade-in[data-delay="100"] {
    animation-delay: 0.1s;
}

.fade-in[data-delay="200"] {
    animation-delay: 0.2s;
}

.fade-in[data-delay="300"] {
    animation-delay: 0.3s;
}

.hero-title {
    animation: fadeInUp 1s ease-out, pulse 2s ease-in-out infinite;
}

.icon-wrapper i {
    animation: float 3s ease-in-out infinite;
}

/* 반응형 */
@media (max-width: 1024px) {
    .nav-inner {
        grid-template-columns: 1fr auto;
        position: relative;
    }

    .brand-tagline {
        display: none;
    }

    .primary-nav {
        position: absolute;
        top: calc(100% + 16px);
        right: 20px;
        background: rgba(10, 12, 28, 0.95);
        border: 1px solid rgba(233, 69, 96, 0.25);
        border-radius: 20px;
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
        backdrop-filter: blur(14px);
        width: min(320px, calc(100% - 40px));
        padding: 1.8rem;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .primary-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
    }

    .primary-nav a {
        font-size: 0.95rem;
        letter-spacing: 0.18em;
        color: rgba(255,255,255,0.9);
    }

    .primary-nav a::after {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .nav-inline-cta {
        display: block;
        width: 100%;
        margin-top: 0.5rem;
    }

    .nav-inline-cta a {
        display: block;
        width: 100%;
        text-align: center;
    }

    .site-header.is-open .primary-nav {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .site-header.is-open .nav-toggle span:first-child {
        transform: translateY(3px) rotate(45deg);
    }

    .site-header.is-open .nav-toggle span:last-child {
        transform: translateY(-3px) rotate(-45deg);
    }

    .site-header.is-open .nav-toggle {
        border-color: var(--highlight);
        box-shadow: 0 18px 40px rgba(233, 69, 96, 0.4);
    }
}

@media (max-width: 768px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-description {
        margin: 1.5rem auto 0;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-highlights {
        justify-items: center;
    }

    .hero-highlights li {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
        margin-bottom: 2rem;
    }

    .orbital {
        width: 240px;
        height: 240px;
    }

    .hero-stat-card,
    .hero-stat-card.alt {
        position: static;
        margin: 1rem auto 0 auto;
        text-align: center;
    }

    .metrics-grid,
    .philosophy-grid,
    .mission-details,
    .edge-grid,
    .workflow-steps,
    .about-hero-grid,
    .about-highlight-grid,
    .about-panel-grid,
    .contact-grid,
    .channel-grid,
    .credential-list,
    .method-grid,
    .tech-list {
        grid-template-columns: 1fr;
    }

    .philosophy-flow {
        flex-direction: column;
    }

    .arrow {
        transform: rotate(90deg);
    }

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

    .contact-form-card {
        padding: 2rem;
    }

    .signature-card .quote {
        font-size: 1.2rem;
    }
}