/* ==========================================================================
   connectstandard - Landing Page Design System
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark: #090d16;
    --bg-card: rgba(18, 25, 41, 0.7);
    --bg-card-hover: rgba(28, 38, 62, 0.85);
    
    --primary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --accent-purple: #7928ca;
    --accent-cyan: #00f2fe;
    --accent-blue: #3b82f6;
    --accent-emerald: #10b981;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 242, 254, 0.3);
    
    /* Typography */
    --font-kr: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-en: 'Outfit', sans-serif;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-kr);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Background Glowing Blurs */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
}

.bg-glow-1 {
    top: -10%;
    left: 20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
}

.bg-glow-2 {
    bottom: 20%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
}

/* Glassmorphism Components */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Typography Helpers */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-kr);
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #040914;
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.5);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-block {
    width: 100%;
}

/* Header & Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.logo-symbol {
    font-family: var(--font-en);
    font-weight: 800;
    font-size: 1rem;
    background: var(--primary-gradient);
    color: #040914;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
}

.logo-text {
    font-family: var(--font-en);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-text .highlight {
    color: var(--accent-cyan);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-cyan);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    padding: 180px 0 100px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-family: var(--font-en);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan);
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-metrics {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.metric-item {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-en);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-label {
    font-size: 0.825rem;
    color: var(--text-muted);
}

.metric-divider {
    width: 1px;
    height: 30px;
    background: var(--border-color);
}

/* Hero Visual Card */
.hero-card {
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.card-header-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.card-title-sm {
    margin-left: auto;
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.dash-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dash-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.dash-item:hover, .dash-item.active {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--border-glow);
}

.dash-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dash-icon.blue { background: rgba(0, 242, 254, 0.15); color: var(--accent-cyan); }
.dash-icon.purple { background: rgba(121, 40, 202, 0.15); color: #a855f7; }
.dash-icon.cyan { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }

.dash-text {
    display: flex;
    flex-direction: column;
}

.dash-text strong {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.dash-text span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Section Common Layouts */
section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-subtitle {
    font-family: var(--font-en);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-cyan);
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.3;
}

.section-description {
    color: var(--text-secondary);
    margin-top: 1rem;
    font-size: 1.05rem;
}

/* About Us Section */
.about-card {
    padding: 3.5rem;
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    border-left: 4px solid var(--accent-cyan);
}

.quote-icon {
    position: absolute;
    top: 1.5rem;
    right: 2.5rem;
    font-size: 6rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.04);
    font-family: serif;
}

.about-statement {
    font-size: 1.25rem;
    line-height: 1.9;
    color: #e2e8f0;
    font-weight: 300;
    margin-bottom: 2rem;
}

.about-statement strong {
    color: #ffffff;
    font-weight: 600;
}

.about-author {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-cyan);
}

.author-title {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Core Solutions Grid */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 1.75rem;
}

.solution-card {
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-glow);
}

.card-icon-box {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-blue { background: rgba(0, 242, 254, 0.1); color: var(--accent-cyan); }
.icon-purple { background: rgba(121, 40, 202, 0.15); color: #a855f7; }
.icon-cyan { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.icon-emerald { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }

.solution-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.check-icon {
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Features / Strengths */
.features-wrapper {
    padding: 4rem;
}

.features-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.features-content > p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.strengths-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.strength-item {
    display: flex;
    gap: 1.25rem;
}

.strength-num {
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-cyan);
    opacity: 0.8;
}

.strength-detail h4 {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.strength-detail p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.info-boxes {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.info-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.info-val {
    font-weight: 600;
    color: var(--text-primary);
}

/* Form Styling */
.contact-form-wrapper {
    padding: 2.5rem;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.form-subtext {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.75rem;
}

.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.required {
    color: var(--accent-cyan);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(9, 13, 22, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-kr);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.form-agree {
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

.form-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* PG Review Compliant Footer */
.footer {
    background: #04070e;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 40px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.footer-tagline {
    font-size: 0.825rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-modal-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.footer-modal-btn:hover,
.footer-modal-btn.highlight-link {
    color: var(--accent-cyan);
}

.divider {
    color: var(--text-muted);
}

.footer-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.info-column p strong {
    color: var(--text-primary);
    font-weight: 500;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.pg-notice {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* Modal Overlay & Styling */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 100%;
    max-width: 650px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-body {
    padding-top: 1.25rem;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.modal-body h4 {
    color: var(--text-primary);
    margin: 1.2rem 0 0.4rem;
}

.modal-body ul {
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.3rem;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .mobile-toggle {
        display: flex;
    }

    .form-group-row {
        grid-template-columns: 1fr;
    }

    .features-wrapper {
        padding: 2rem;
    }

    .about-card {
        padding: 2rem;
    }

    .footer-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
}