:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --card-hover-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card-bg);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: -0.025em;
}

.auth-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.2s;
}

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

.hero {
    text-align: center;
    padding: 3rem 1rem 2rem;
}

.hero h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text);
    font-weight: 700;
}

.stats-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.badge {
    background: #e2e8f0;
    color: var(--text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.banner-container {
    max-width: 850px;
    margin: 0 auto 0.3rem;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.banner-container img {
    width: 110%;
    height: auto;
    display: block;
}

.quote-box {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.service-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid #f1f5f9;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: #e2e8f0;
}

.service-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    color: var(--text);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--radius);
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    transform: scale(0.95);
    transition: transform 0.3s ease;
    position: relative;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
    padding: 0.25rem;
}

.close-modal:hover {
    color: var(--text);
}

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    background: transparent;
    border-top: 1px solid #e2e8f0;
    margin-top: auto;
    font-size: 0.875rem;
    width: 100%;
}

.subfoot_zbdw {
    color: #94a3b8;
    text-align: center;
    padding-bottom: 1rem;
    font-size: 0.8rem;
}

.subfoot_zbdw p {
    margin: 0.25rem 0;
}

.subfoot_zbdw a {
    color: #94a3b8;
}

.subfoot_zbdw a:hover {
    color: var(--primary);
}

.subfoot_logo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.subfoot_logo img {
    height: 32px;
    opacity: 0.7;
}

.navbar-stats {
    display: flex;
    gap: 0.75rem;
    margin-right: 1rem;
}

.navbar-stats .badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
}

.banner-section {
    text-align: center;
    padding: 2rem 1rem 3rem;
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}

.auth-tab {
    flex: 1;
    padding: 0.75rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.auth-tab:hover {
    color: var(--text);
}

.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-error {
    color: #ef4444;
    margin-top: 1rem;
    font-size: 0.875rem;
    display: none;
    text-align: center;
}

.form-success {
    color: #22c55e;
    margin-top: 1rem;
    font-size: 0.875rem;
    display: none;
    text-align: center;
}