:root {
    --primary: #0f172a;
    --primary-light: #1d4ed8;
    --accent: #f59e0b;
    --bg: #f8fafc;
    --muted: #64748b;
    --dark: #111827;
    --white: #ffffff;
    --border: #e2e8f0;
    --success: #16a34a;
    --error: #dc2626;
    --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--dark);
    line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    background: rgba(15, 23, 42, 0.95);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(12px);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.brand-logo {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 10px;
}

.main-nav {
    display: flex;
    gap: 24px;
    align-items: center;
    font-size: 0.96rem;
}

.main-nav a {
    opacity: 0.9;
}

.eyebrow {
    display: inline-block;
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-light);
    font-weight: 700;
    margin-bottom: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 999px;
    padding: 0.9rem 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn-primary {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: var(--white);
    box-shadow: var(--shadow);
}
.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.35);
    color: var(--white);
}
.full-width { width: 100%; }

.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    padding: 88px 0 72px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 42px;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2.6rem, 5vw, 4rem);
    line-height: 1.1;
    margin: 0 0 18px;
}

.hero-copy p {
    color: rgba(255,255,255,0.82);
    font-size: 1.05rem;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin: 26px 0 30px;
}

.mini-stats {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.mini-stats li {
    display: flex;
    flex-direction: column;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 16px 18px;
}

.mini-stats strong {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.glass-card {
    width: min(420px, 100%);
    background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
    border: 1px solid rgba(255,255,255,0.2);
    padding: 32px;
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.glass-card h3 { margin-top: 0; }

.section {
    padding: 88px 0;
}

.alt-bg {
    background: #eef6ff;
}

.section-header {
    margin-bottom: 32px;
}

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

.section-header h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 2.8rem);
}

.feature-grid, .product-grid, .service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.feature-card, .product-card, .service-card, .info-panel, .contact-info, .contact-form {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
}

.feature-card, .service-card {
    padding: 28px 24px;
}

.icon-box, .service-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(29, 78, 216, 0.1);
    color: var(--primary-light);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 18px;
}

.product-card {
    overflow: hidden;
}

.product-thumb {
    background: #dbeafe;
    height: 220px;
    display: grid;
    place-items: center;
}

.placeholder-image {
    font-weight: 700;
    color: var(--muted);
}

.product-body {
    padding: 22px 20px 20px;
}

.badge {
    display: inline-block;
    background: rgba(245, 158, 11, 0.12);
    color: #9a5f00;
    border-radius: 999px;
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 18px;
    font-weight: 700;
}

.text-link {
    color: var(--primary-light);
    font-weight: 700;
}

.page-content { background: var(--bg); }
.page-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    padding: 80px 0 40px;
}
.small-hero h1 {
    margin: 0;
    font-size: clamp(2.1rem, 4vw, 3rem);
}

.about-layout, .contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 30px;
}

.info-panel, .contact-info {
    padding: 28px 24px;
}

.info-panel ul {
    margin: 16px 0 0;
    padding-left: 18px;
}

.contact-form {
    padding: 28px 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input, textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    font: inherit;
    background: #fff;
}

textarea { resize: vertical; }

.site-footer {
    background: #020817;
    color: var(--white);
    padding-top: 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 22px;
    padding-bottom: 30px;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 22px 0;
    text-align: center;
    color: rgba(255,255,255,0.7);
}

.flash {
    width: min(1120px, calc(100% - 32px));
    margin: 16px auto 0;
    padding: 14px 18px;
    border-radius: 12px;
    font-weight: 600;
}

.flash-success { background: rgba(22, 163, 74, 0.12); color: #166534; }
.flash-error { background: rgba(220, 38, 38, 0.12); color: #991b1b; }

.admin-body {
    background: #f3f4f6;
    min-height: 100vh;
    color: var(--dark);
}

.admin-shell {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: #0f172a;
    color: var(--white);
    padding: 28px 18px;
}

.admin-sidebar h2 {
    margin: 0 0 20px;
    padding: 8px 10px;
}

.admin-sidebar nav {
    display: grid;
    gap: 8px;
}

.admin-sidebar nav a {
    display: block;
    padding: 12px 14px;
    border-radius: 10px;
    color: rgba(255,255,255,0.8);
}

.admin-sidebar nav a.active,
.admin-sidebar nav a:hover {
    background: rgba(255,255,255,0.08);
    color: var(--white);
}

.admin-main {
    flex: 1;
    padding: 28px;
}

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--white);
    padding: 24px;
    border-radius: 18px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-card span { color: var(--muted); }
.stat-card strong { font-size: 2rem; }

.login-box {
    max-width: 460px;
    margin: 120px auto 0;
    background: var(--white);
    padding: 30px 28px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.login-box h1 { margin-top: 0; }

.admin-form {
    background: var(--white);
    padding: 28px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 16px;
}

.data-table {
    width: 100%;
    background: var(--white);
    border-collapse: collapse;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.data-table th { background: #f8fafc; }

@media (max-width: 900px) {
    .hero-grid,
    .feature-grid,
    .product-grid,
    .service-grid,
    .about-layout,
    .contact-layout,
    .stats-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .main-nav {
        display: none;
    }

    .nav-wrap { justify-content: space-between; }
    .admin-shell { display: block; }
    .admin-sidebar { width: 100%; }
}