/* ============================================
   Euonia Portal — Homepage Styles
   ============================================ */

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

/* Hero orbs */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 {
    width: 400px; height: 400px;
    background: var(--color-accent);
    top: -100px; left: -100px;
    animation-delay: 0s;
}
.orb-2 {
    width: 300px; height: 300px;
    background: var(--color-java);
    bottom: -50px; right: -80px;
    animation-delay: -3s;
}
.orb-3 {
    width: 250px; height: 250px;
    background: var(--color-net);
    top: 30%; right: 20%;
    animation-delay: -6s;
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 28px;
    letter-spacing: 0.03em;
}
.badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
}
.title-greek {
    background: linear-gradient(135deg, var(--color-accent), var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.title-divider {
    color: var(--color-text-muted);
    font-weight: 300;
    margin: 0 8px;
}
.title-sub {
    background: linear-gradient(135deg, var(--color-text-bright), var(--color-text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-tagline {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}
.hero-description {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.25s var(--ease-out);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
    color: #fff;
    box-shadow: 0 4px 20px var(--color-accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px var(--color-accent-glow);
    color: #fff;
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-bright);
    border: 1px solid var(--color-border-light);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-muted);
    color: #fff;
}
.btn-ghost {
    color: var(--color-text-muted);
    background: transparent;
}
.btn-ghost:hover { color: var(--color-text-bright); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* Hero dual cards */
.hero-dual {
    display: flex;
    align-items: center;
    gap: 8px;
}
.dual-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 28px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    transition: transform 0.3s var(--ease-spring);
}
.dual-card:hover { transform: translateY(-4px); }
.dotnet-card {
    background: rgba(81, 43, 212, 0.12);
    border: 1px solid rgba(81, 43, 212, 0.25);
}
.java-card {
    background: rgba(237, 139, 0, 0.12);
    border: 1px solid rgba(237, 139, 0, 0.25);
}
.dual-icon {
    font-size: 2rem;
    font-family: var(--font-mono);
}
.dual-card span:last-child {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}
.dual-connector {
    color: var(--color-text-muted);
    opacity: 0.5;
}
.dual-bridge {
    width: 60px;
    height: 40px;
}

/* --- Stats Bar --- */
.stats-bar {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}
.stats-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
}
.stat-number {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-accent), var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- Sections --- */
.section {
    padding: 100px 24px;
}
.section-alt {
    background: var(--color-bg-alt);
}
.section-dark {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-label {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-heading);
    margin-bottom: 12px;
}
.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* --- Comparison Table --- */
.comparison-table {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-card);
}
.comp-header {
    display: grid;
    grid-template-columns: 180px 1fr 1fr;
    background: var(--color-bg-code);
    border-bottom: 1px solid var(--color-border);
}
.comp-empty { padding: 16px; }
.comp-col {
    padding: 16px 20px;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
}
.comp-icon { font-family: var(--font-mono); font-size: 1.2rem; }
.net-col { color: #a78bfa; background: rgba(81, 43, 212, 0.06); }
.java-col { color: #fbbf24; background: rgba(237, 139, 0, 0.06); }
.comp-row {
    display: grid;
    grid-template-columns: 180px 1fr 1fr;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s;
}
.comp-row:last-child { border-bottom: none; }
.comp-row:hover { background: rgba(255, 255, 255, 0.02); }
.comp-dim {
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-bright);
    border-right: 1px solid var(--color-border);
}
.comp-val {
    padding: 14px 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Architecture Tabs --- */
.arch-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}
.arch-tab {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s;
}
.arch-tab.active {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--color-accent);
}
.arch-tab:hover { border-color: var(--color-border-light); color: var(--color-text-bright); }
.arch-diagram {
    display: none;
    background: var(--color-bg-code);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    overflow-x: auto;
}
.arch-diagram.active { display: block; }
.arch-diagram .mermaid {
    display: flex;
    justify-content: center;
    padding: 16px 0;
}
.arch-diagram .mermaid svg {
    max-width: 100%;
    height: auto;
}

/* --- Module Cards --- */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.module-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s var(--ease-out);
}
.module-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.module-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.core-icon { background: rgba(74, 144, 217, 0.15); color: #6db3f2; }
.domain-icon { background: rgba(80, 184, 108, 0.15); color: #6ee7a8; }
.osba-icon { background: rgba(232, 131, 58, 0.15); color: #f59e4b; }
.bus-icon { background: rgba(243, 156, 18, 0.15); color: #fbbf24; }
.pipeline-icon { background: rgba(231, 76, 60, 0.15); color: #f87171; }
.uow-icon { background: rgba(31, 111, 235, 0.15); color: #60a5fa; }
.cache-icon { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.thread-icon { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.module-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 10px;
}
.module-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}
.module-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.module-tags span {
    padding: 3px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.feature-item {
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    transition: all 0.3s var(--ease-out);
}
.feature-item:hover {
    border-color: var(--color-border-light);
    transform: translateY(-2px);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
}
.feature-item p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Patterns Grid --- */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.pattern-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.pattern-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-cyan));
    opacity: 0;
    transition: opacity 0.3s;
}
.pattern-card:hover::before { opacity: 1; }
.pattern-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.pattern-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.06em;
    margin-bottom: 10px;
    display: block;
}
.pattern-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
}
.pattern-card p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Quick Start Tabs --- */
.start-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
}
.start-tab {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s;
}
.start-tab.active {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--color-accent);
}
.start-tab:hover { border-color: var(--color-border-light); color: var(--color-text-bright); }
.start-content { display: none; }
.start-content.active { display: block; }
.start-note {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* --- CTA Section --- */
.cta-section {
    text-align: center;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: var(--color-heading);
    margin-bottom: 12px;
}
.cta-section p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}



/* --- Homepage Responsive --- */
@media (max-width: 1024px) {
    .hero-visual { display: none; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .hero-description { font-size: 0.95rem; }
    .stats-container { gap: 24px; }
    .stat-number { font-size: 1.8rem; }
    .section { padding: 64px 20px; }
    .footer-container { flex-direction: column; gap: 32px; }
    .footer-links { gap: 32px; }
    .comp-header, .comp-row {
        grid-template-columns: 1fr;
    }
    .comp-empty, .comp-dim { border-right: none; border-bottom: 1px solid var(--color-border); }
    .module-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .patterns-grid { grid-template-columns: 1fr; }
}