/* 티비룸 접속 안내 센터 - Custom CSS */

:root {
    --bs-font-sans-serif: 'Noto Sans KR', system-ui, -apple-system, sans-serif;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-gradient: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
}

body {
    font-family: var(--bs-font-sans-serif);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
}

/* Navbar */
.navbar-brand-logo {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    margin-right: 12px;
    object-fit: contain;
}

.nav-link.active {
    color: #667eea !important;
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(102,126,234,0.1) 0%, transparent 100%);
}

/* Glass Card */
.glass-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Buttons */
.btn-gradient {
    background: var(--primary-gradient);
    border: none;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102,126,234,0.4);
}

/* Domain Display */
.domain-display {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Feature Icon */
.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Timeline */
.timeline-item {
    position: relative;
    padding-left: 30px;
    padding-bottom: 30px;
    border-left: 2px solid rgba(102,126,234,0.3);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--primary-gradient);
    border-radius: 50%;
}

.timeline-item:last-child {
    border-left-color: transparent;
}

/* Check Item */
.check-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.check-item i {
    color: #667eea;
    margin-top: 4px;
}

/* Footer */
.footer {
    background: rgba(0,0,0,0.3);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Section Title */
.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #667eea;
    margin-bottom: 1rem;
}

/* FAQ Card */
.faq-card {
    cursor: pointer;
}

.faq-card .card-body {
    padding: 1.5rem;
}

/* Stat Card */
.stat-card {
    text-align: center;
    padding: 1.5rem;
}

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}