/* ============================================
   TechVault — Dark Mode
   ============================================ */

[data-theme="dark"] {
    --color-white: #0F172A;
    --color-gray-50: #1E293B;
    --color-gray-100: #1a2332;
    --color-gray-200: #2a3a4e;
    --color-gray-300: #3a4f6a;
    --color-gray-400: #8899ad;
    --color-gray-500: #94a3b8;
    --color-gray-600: #a8b8cc;
    --color-gray-700: #cbd5e1;
    --color-gray-800: #e2e8f0;
    --color-gray-900: #f1f5f9;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.35), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.25);

    --border-light: 1px solid var(--color-gray-200);
    --border-medium: 1px solid var(--color-gray-300);
}

/* Header scrolled */
[data-theme="dark"] .site-header--scrolled {
    background: rgba(15, 23, 42, 0.95);
    border-bottom-color: var(--color-gray-200);
}

[data-theme="dark"] .site-header--scrolled .nav__logo-text,
[data-theme="dark"] .site-header--scrolled .nav__link {
    color: var(--color-gray-300);
}

[data-theme="dark"] .site-header--scrolled .nav__link:hover,
[data-theme="dark"] .site-header--scrolled .nav__link--active {
    color: var(--color-accent-light);
}

[data-theme="dark"] .site-header--scrolled .theme-toggle {
    color: var(--color-gray-400);
}

[data-theme="dark"] .site-header--scrolled .theme-toggle:hover {
    color: var(--color-gray-200);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .site-header--scrolled .nav__toggle span {
    color: var(--color-gray-300);
}

[data-theme="dark"] .site-header--scrolled .logo-bg {
    color: var(--color-accent-light);
}

/* Service cards */
[data-theme="dark"] .service-card {
    background: var(--color-gray-50);
    border-color: var(--color-gray-200);
}

[data-theme="dark"] .service-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Outline buttons */
[data-theme="dark"] .btn--outline {
    color: var(--color-gray-400);
    border-color: var(--color-gray-300);
}

[data-theme="dark"] .btn--outline:hover {
    color: var(--color-accent-light);
    border-color: var(--color-accent);
}

/* Logo grid */
[data-theme="dark"] .logo-grid__item {
    border-color: var(--color-gray-200);
}

[data-theme="dark"] .logo-grid__item:hover {
    border-color: var(--color-accent);
}

/* Value cards */
[data-theme="dark"] .value-card {
    border-color: var(--color-gray-200);
    background: var(--color-gray-50);
}

[data-theme="dark"] .value-card:hover {
    border-color: var(--color-accent);
}

/* Forms */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .form-select {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
    color: var(--color-gray-800);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-textarea:focus,
[data-theme="dark"] .form-select:focus {
    border-color: var(--color-accent);
}

/* Contact info */
[data-theme="dark"] .contact-info {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

[data-theme="dark"] .contact-info__item {
    border-bottom-color: var(--color-gray-200);
}

/* Service detail visual */
[data-theme="dark"] .service-detail__visual {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

[data-theme="dark"] .service-detail__metric {
    border-bottom-color: var(--color-gray-200);
}

/* CMS section */
[data-theme="dark"] .cms-section {
    background: var(--color-gray-100);
    border-top-color: var(--color-gray-200);
}

[data-theme="dark"] .cms-service {
    background: var(--color-gray-50);
    border-color: var(--color-gray-200);
}

/* Service detail alternating backgrounds */
[data-theme="dark"] .service-detail[style*="background"] {
    background: var(--color-gray-100) !important;
}

/* Cookie banner in dark mode blends already since it uses primary color */

/* FAQ accordion */
[data-theme="dark"] .faq-item {
    background: rgba(255,255,255,0.02);
    border-color: var(--color-gray-200);
}

[data-theme="dark"] .faq-item:hover {
    border-color: rgba(59,130,246,0.25);
}

[data-theme="dark"] .faq-item.is-open {
    background: rgba(59,130,246,0.06);
    border-color: rgba(59,130,246,0.3);
}

[data-theme="dark"] .faq-item__trigger {
    color: var(--color-gray-800);
}

[data-theme="dark"] .faq-item__body {
    color: var(--color-gray-500);
}

/* Stats bar */
[data-theme="dark"] .stats-bar {
    background: linear-gradient(135deg, #0B1120 0%, #0F172A 50%, #0B1120 100%);
    border-top-color: var(--color-gray-200);
    border-bottom-color: var(--color-gray-200);
}

[data-theme="dark"] .stats-bar__number {
    color: var(--color-gray-900);
}

[data-theme="dark"] .stats-bar__label {
    color: var(--color-gray-500);
}

/* Floating CTA */
[data-theme="dark"] .floating-cta {
    box-shadow: 0 4px 24px rgba(59,130,246,0.25);
}

[data-theme="dark"] .floating-cta:hover {
    box-shadow: 0 8px 32px rgba(59,130,246,0.35);
}

/* 404 page — inherits primary dark bg already, override error-link-cards */
[data-theme="dark"] .error-link-card {
    background: rgba(255,255,255,0.03);
    border-color: var(--color-gray-200);
}

[data-theme="dark"] .error-link-card:hover {
    background: rgba(59,130,246,0.1);
    border-color: rgba(59,130,246,0.25);
}

[data-theme="dark"] .error-link-card__title {
    color: var(--color-gray-900);
}

[data-theme="dark"] .error-link-card__desc {
    color: var(--color-gray-500);
}

/* Breadcrumbs */
[data-theme="dark"] .breadcrumb a {
    color: var(--color-gray-500);
}

[data-theme="dark"] .breadcrumb a:hover {
    color: var(--color-accent-light);
}

/* Process steps */
[data-theme="dark"] .process__step {
    border-color: var(--color-gray-200);
}

/* Testimonials */
[data-theme="dark"] .testimonial {
    background: rgba(255,255,255,0.03);
    border-color: var(--color-gray-200);
}