/* Public landing & verify pages */
.public-page {
    min-height: 100vh;
    background: #fff;
    color: var(--teklo-text);
}

.public-nav {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--teklo-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.public-nav .navbar-brand {
    font-weight: 700;
    color: var(--teklo-primary);
}

.hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 35%, #312e81 70%, #4f46e5 100%);
    color: #fff;
    padding: 5rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 540px;
}

.hero-verify-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--teklo-radius);
    padding: 1.25rem;
    backdrop-filter: blur(8px);
}

.hero-verify-box .form-control {
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 10px;
}

.features-section {
    padding: 5rem 0;
    background: var(--teklo-bg);
}

.feature-card {
    background: #fff;
    border: 1px solid var(--teklo-border);
    border-radius: var(--teklo-radius);
    padding: 2rem;
    height: 100%;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--teklo-shadow);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--teklo-primary), var(--teklo-primary-dark));
    color: #fff;
}

.public-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 2.5rem 0;
}

/* Verify page */
.verify-page {
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    padding: 2rem 0 4rem;
}

.verify-card {
    background: #fff;
    border-radius: var(--teklo-radius);
    box-shadow: var(--teklo-shadow);
    border: 1px solid var(--teklo-border);
    overflow: hidden;
}

.verify-search-tabs .nav-link {
    color: var(--teklo-muted);
    font-weight: 600;
    border: none;
    border-radius: 8px;
}

.verify-search-tabs .nav-link.active {
    background: var(--teklo-primary);
    color: #fff;
}

.verify-result-valid {
    border-left: 4px solid var(--teklo-success);
}

.verify-result-invalid {
    border-left: 4px solid var(--teklo-danger);
}

.verify-preview-wrap {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1rem;
    overflow-x: auto;
}

.verify-preview-wrap .certificate-sheet {
    transform: scale(0.55);
    transform-origin: top center;
    margin: 0 auto -180px;
    max-width: 900px;
}

#qr-reader {
    border-radius: 12px;
    overflow: hidden;
}

.qr-scan-panel {
    background: #f1f5f9;
    border-radius: 12px;
    padding: 1rem;
}

.invalid-cert-hero {
    text-align: center;
    padding: 3rem 1.5rem;
}

.invalid-cert-hero i {
    font-size: 4rem;
    color: var(--teklo-danger);
}

.valid-cert-hero {
    text-align: center;
    padding: 2rem 1.5rem 1rem;
    background: linear-gradient(180deg, #ecfdf5 0%, #fff 100%);
}

.valid-cert-hero i {
    font-size: 3.5rem;
    color: var(--teklo-success);
}

@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0 4rem;
    }
    .verify-preview-wrap .certificate-sheet {
        transform: scale(0.42);
        margin-bottom: -220px;
    }
}