/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #111111;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;
    --color-primary: #111111;
    --color-primary-hover: #333333;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-border: #e5e5e5;
    --color-border-light: #f0f0f0;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
}

html {
    font-family: var(--font);
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-bg);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.logo-icon {
    display: inline-grid;
    grid-template-columns: repeat(2, 10px);
    gap: 3px;
    transform: rotate(45deg);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    vertical-align: middle;
    margin-right: 4px;
}

.logo-icon span {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: var(--color-accent);
    transition: border-radius 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover .logo-icon {
    transform: rotate(0deg);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 0.9rem;
    font-weight: 450;
    color: var(--color-text-secondary);
}

.nav-links a:hover {
    color: var(--color-text);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background: var(--color-surface);
    border-color: var(--color-text-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-text);
}

.btn-lg {
    padding: 12px 28px;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
}

.btn.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== Badge ===== */
.badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    background: rgba(37, 99, 235, 0.08);
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}

/* ===== Hero ===== */
.hero {
    padding: 140px 0 60px;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 60px;
}

/* Mock Dashboard */
.hero-visual {
    max-width: 900px;
    margin: 0 auto;
}

.mock-dashboard {
    display: flex;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    height: 420px;
}

.mock-sidebar {
    width: 200px;
    background: #f7f7f8;
    border-right: 1px solid var(--color-border-light);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mock-sidebar-item {
    height: 36px;
    border-radius: var(--radius);
    background: var(--color-border-light);
}

.mock-sidebar-item.active {
    background: var(--color-primary);
}

.mock-main {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mock-header {
    height: 28px;
    width: 180px;
    background: var(--color-border);
    border-radius: var(--radius);
}

.mock-cards {
    display: flex;
    gap: 16px;
}

.mock-card {
    flex: 1;
    height: 100px;
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.mock-table {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mock-row {
    height: 36px;
    background: #f9f9fa;
    border-radius: var(--radius);
    border: 1px solid var(--color-border-light);
}

/* ===== CTA ===== */
.cta-section {
    padding: 100px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

/* ===== Footer ===== */
.footer {
    border-top: 1px solid var(--color-border-light);
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-links {
    display: flex;
    gap: 24px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-text);
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-sub {
        font-size: 1rem;
    }

    .mock-sidebar {
        display: none;
    }

    .mock-dashboard {
        height: 280px;
    }

    .nav-links {
        display: none;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== Blazor defaults ===== */
h1:focus {
    outline: none;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}