/**
 * Dark Mode Styles - Modern & Beautiful
 * Inspired by GitHub, Stripe, and Linear dark modes
 */

/* === DARK MODE THEME === */
[data-theme="dark"] {
    /* Modern dark backgrounds - softer, not pure black */
    --color-bg-primary: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-bg-elevated: #1c2128;

    /* Text colors - HIGH CONTRAST for readability */
    --color-text-primary: #f0f6fc;
    --color-text-secondary: #e6edf3;
    --color-text-tertiary: #c9d1d9;
    --color-text-muted: #8b949e;

    /* Border colors - subtle but visible */
    --color-border: #30363d;
    --color-border-light: #21262d;
    --color-border-strong: #484f58;

    /* Brand colors - more vibrant in dark mode */
    --color-primary: #58a6ff;
    --color-primary-dark: #4184e4;
    --color-primary-light: #79c0ff;
    --color-secondary: #56d4dd;
    --color-accent: #ff7b72;

    /* Success, warning, etc */
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-danger: #f85149;
    --color-info: #58a6ff;

    /* Shadows - lighter for dark mode */
    --shadow-sm: 0 0 transparent, 0 0 transparent, 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow: 0 0 transparent, 0 0 transparent, 0 3px 6px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 0 transparent, 0 0 transparent, 0 8px 16px 0 rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 0 transparent, 0 0 transparent, 0 16px 32px 0 rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 0 transparent, 0 0 transparent, 0 24px 48px 0 rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 0 1px rgba(88, 166, 255, 0.4);
    --shadow-glow-bright: 0 0 12px rgba(88, 166, 255, 0.6);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #58a6ff 0%, #56d4dd 100%);
    --gradient-subtle: linear-gradient(180deg, rgba(88, 166, 255, 0.1) 0%, transparent 100%);
}

/* === COLOR SCHEME META === */
:root {
    color-scheme: light dark;
}

/* === SMOOTH TRANSITIONS === */
body,
.nav,
.hero,
.card,
.btn,
.product-card,
.service-card,
.feature-card,
.chat-window,
.chat-button,
input,
textarea,
select {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* === BODY & LAYOUT === */
[data-theme="dark"] body {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
}

/* === HEADINGS & TEXT === */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--color-text-primary);
}

[data-theme="dark"] p {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .section-header__title,
[data-theme="dark"] .hero__title,
[data-theme="dark"] .service-hero__title,
[data-theme="dark"] .products-hero__title {
    color: #ffffff !important;
}

[data-theme="dark"] .section-header__subtitle,
[data-theme="dark"] .hero__subtitle,
[data-theme="dark"] .service-hero__subtitle {
    color: var(--color-text-secondary) !important;
}

/* === NAVIGATION === */
[data-theme="dark"] .nav {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .nav__logo-text {
    color: var(--color-text-primary);
}

[data-theme="dark"] .nav__logo-subtitle {
    color: var(--color-text-tertiary);
}

[data-theme="dark"] .nav__link {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .nav__link:hover {
    color: var(--color-primary);
    background: rgba(88, 166, 255, 0.1);
}

[data-theme="dark"] .nav__link--active {
    color: var(--color-primary);
    background: rgba(88, 166, 255, 0.15);
}

[data-theme="dark"] .nav__cta {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

[data-theme="dark"] .nav__cta:hover {
    box-shadow: var(--shadow-glow-bright);
    transform: translateY(-1px);
}

[data-theme="dark"] .nav__dropdown-menu {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .nav__dropdown-menu a {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .nav__dropdown-menu a:hover {
    background: rgba(88, 166, 255, 0.1);
    color: var(--color-primary);
}

/* === HERO SECTIONS === */
[data-theme="dark"] .hero,
[data-theme="dark"] .service-hero,
[data-theme="dark"] .products-hero {
    background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
    border-bottom: 1px solid var(--color-border);
}

/* Hero stats - make them visible! */
[data-theme="dark"] .hero__stat-number {
    color: #ffffff;
    font-weight: 700;
}

[data-theme="dark"] .hero__stat-label {
    color: var(--color-text-secondary);
}

/* Hero cards - Advanced Security & Safety First */
[data-theme="dark"] .hero__card {
    background: #161b22 !important;
    border: 1px solid #30363d !important;
}

[data-theme="dark"] .hero__card:hover {
    background: #21262d !important;
    border-color: #58a6ff !important;
}

[data-theme="dark"] .hero__card-icon {
    background: #21262d !important;
}

[data-theme="dark"] .hero__card-icon svg {
    stroke: #58a6ff !important;
}

[data-theme="dark"] .hero__card-content h3 {
    color: #f0f6fc !important;
}

[data-theme="dark"] .hero__card-content p {
    color: #e6edf3 !important;
}

[data-theme="dark"] .hero__title,
[data-theme="dark"] .service-hero__title,
[data-theme="dark"] .products-hero__title {
    color: var(--color-text-primary);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .hero__subtitle,
[data-theme="dark"] .service-hero__subtitle {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .section-header__label {
    color: var(--color-primary);
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.2);
}

/* Content sections */
[data-theme="dark"] .service-content p,
[data-theme="dark"] .about__text,
[data-theme="dark"] .features__description,
[data-theme="dark"] section p {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .service-content h2,
[data-theme="dark"] .service-content h3,
[data-theme="dark"] .about__title,
[data-theme="dark"] .features__title {
    color: var(--color-text-primary);
}

[data-theme="dark"] strong,
[data-theme="dark"] b {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* === CARDS === */
[data-theme="dark"] .card,
[data-theme="dark"] .product-card,
[data-theme="dark"] .service-card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .sidebar-card,
[data-theme="dark"] .professional-tool-card,
[data-theme="dark"] .roi-card,
[data-theme="dark"] .calculator-card,
[data-theme="dark"] .assessment-card {
    background: #161b22 !important;
    border: 1px solid #30363d !important;
    color: #f0f6fc !important;
}

/* Professional tool card icon background */
[data-theme="dark"] .professional-tool-card__icon {
    background: #21262d !important;
}

[data-theme="dark"] .professional-tool-card__icon svg {
    stroke: #58a6ff !important;
}

[data-theme="dark"] .card:hover,
[data-theme="dark"] .product-card:hover,
[data-theme="dark"] .service-card:hover,
[data-theme="dark"] .feature-card:hover,
[data-theme="dark"] .professional-tool-card:hover,
[data-theme="dark"] .roi-card:hover,
[data-theme="dark"] .calculator-card:hover,
[data-theme="dark"] .assessment-card:hover {
    background: #21262d !important;
    border-color: #58a6ff !important;
    box-shadow: 0 0 0 1px rgba(88, 166, 255, 0.4), 0 8px 16px 0 rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

[data-theme="dark"] .sidebar-card--highlight {
    background: rgba(88, 166, 255, 0.05);
    border-color: var(--color-primary);
}

/* Card text elements */
[data-theme="dark"] .card__title,
[data-theme="dark"] .product-card__title,
[data-theme="dark"] .service-card__title,
[data-theme="dark"] .feature-card__title,
[data-theme="dark"] .professional-tool-card__title,
[data-theme="dark"] .roi-card__title,
[data-theme="dark"] .calculator-card__title,
[data-theme="dark"] .card h3,
[data-theme="dark"] .card h4 {
    color: #f0f6fc !important;
}

[data-theme="dark"] .card__description,
[data-theme="dark"] .product-card__description,
[data-theme="dark"] .service-card__description,
[data-theme="dark"] .feature-card__description,
[data-theme="dark"] .professional-tool-card__description,
[data-theme="dark"] .roi-card__description,
[data-theme="dark"] .card p,
[data-theme="dark"] .product-card p,
[data-theme="dark"] .service-card p,
[data-theme="dark"] .feature-card p,
[data-theme="dark"] .professional-tool-card p {
    color: #e6edf3 !important;
}

[data-theme="dark"] .product-card__features li,
[data-theme="dark"] .feature-list li,
[data-theme="dark"] .card ul li,
[data-theme="dark"] .card ol li {
    color: #e6edf3 !important;
}

/* === BUTTONS === */
[data-theme="dark"] .btn--primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-glow);
}

[data-theme="dark"] .btn--primary:hover {
    box-shadow: var(--shadow-glow-bright), var(--shadow-md);
    transform: translateY(-2px);
}

[data-theme="dark"] .btn--secondary {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-strong);
    color: var(--color-text-primary);
}

[data-theme="dark"] .btn--secondary:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* === FORMS & INPUTS === */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    border-color: var(--color-primary);
    background: var(--color-bg-elevated);
    box-shadow: var(--shadow-glow);
    outline: none;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--color-text-muted);
}

/* === FOOTER === */
[data-theme="dark"] .footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .footer__title {
    color: var(--color-text-primary);
}

[data-theme="dark"] .footer__description {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .footer__link {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .footer__link:hover {
    color: var(--color-primary);
}

[data-theme="dark"] .footer__list--contact li {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .footer__copyright {
    color: var(--color-text-tertiary);
}

/* === CHAT WIDGET === */
[data-theme="dark"] .chat-button {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow-bright), var(--shadow-lg);
}

[data-theme="dark"] .chat-window {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .chat-header {
    background: var(--gradient-primary);
}

[data-theme="dark"] .chat-messages {
    background: var(--color-bg-primary);
}

[data-theme="dark"] .chat-message--bot .chat-message__content {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

[data-theme="dark"] .chat-input-container {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .chat-input {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

[data-theme="dark"] .chat-input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

[data-theme="dark"] .chat-footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

/* === TABLES === */
[data-theme="dark"] table {
    border-color: var(--color-border);
}

[data-theme="dark"] th {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-border-strong);
}

[data-theme="dark"] td {
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

[data-theme="dark"] tr:hover {
    background: rgba(88, 166, 255, 0.05);
}

/* === CODE BLOCKS === */
[data-theme="dark"] code,
[data-theme="dark"] pre {
    background: var(--color-bg-tertiary);
    color: var(--color-secondary);
    border: 1px solid var(--color-border);
}

/* === LINKS === */
[data-theme="dark"] a {
    color: var(--color-primary);
}

[data-theme="dark"] a:hover {
    color: var(--color-primary-light);
    text-decoration-color: var(--color-primary-light);
}

/* === SCROLLBAR === */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 12px;
    background: var(--color-bg-primary);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 6px;
    border: 2px solid var(--color-bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-strong);
}

/* === THEME TOGGLE BUTTON === */
.theme-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.2s;
    color: inherit;
}

.theme-toggle:hover {
    background: rgba(88, 166, 255, 0.1);
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(88, 166, 255, 0.15);
}

.theme-toggle__icon {
    position: absolute;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle__icon--sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: #f59e0b;
}

.theme-toggle__icon--moon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
    color: #818cf8;
}

[data-theme="dark"] .theme-toggle__icon--sun {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

[data-theme="dark"] .theme-toggle__icon--moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* === SPECIAL SECTIONS === */
[data-theme="dark"] .contact {
    background: var(--color-bg-primary);
}

[data-theme="dark"] .contact__info h2,
[data-theme="dark"] .contact .section-header__title {
    color: #ffffff !important;
}

[data-theme="dark"] .contact .section-header__label {
    color: var(--color-primary);
}

[data-theme="dark"] .contact__detail-icon {
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.2);
    color: var(--color-primary);
}

/* === SECTIONS WITH BACKGROUNDS === */
[data-theme="dark"] section,
[data-theme="dark"] .about,
[data-theme="dark"] .services,
[data-theme="dark"] .features,
[data-theme="dark"] .experience,
[data-theme="dark"] .why-choose,
[data-theme="dark"] .process,
[data-theme="dark"] .products-section {
    background: var(--color-bg-primary) !important;
}

[data-theme="dark"] .about__content,
[data-theme="dark"] .services__container,
[data-theme="dark"] .features__container,
[data-theme="dark"] .container,
[data-theme="dark"] main {
    background: transparent !important;
}

/* Mission & Vision cards */
[data-theme="dark"] .mission-vision__card {
    background: #161b22 !important;
    border: 1px solid #30363d !important;
}

[data-theme="dark"] .mission-vision__card:hover {
    background: #21262d !important;
    border-color: #58a6ff !important;
}

[data-theme="dark"] .mission-vision__icon {
    background: #21262d !important;
}

[data-theme="dark"] .mission-vision__icon svg {
    stroke: #58a6ff !important;
}

[data-theme="dark"] .mission-vision__title {
    color: #f0f6fc !important;
}

[data-theme="dark"] .mission-vision__text {
    color: #e6edf3 !important;
}

/* Experience stats */
[data-theme="dark"] .experience-stats__number {
    color: #ffffff;
    font-weight: 700;
}

[data-theme="dark"] .experience-stats__label {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .partners {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .newsletter {
    background: var(--gradient-primary);
}

/* === STATS & METRICS === */
[data-theme="dark"] .stat-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .stat-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

/* === BADGES === */
[data-theme="dark"] .badge {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    [data-theme="dark"] * {
        transition: none !important;
        animation: none !important;
    }
}

/* High contrast support */
@media (prefers-contrast: high) {
    [data-theme="dark"] {
        --color-text-primary: #ffffff;
        --color-bg-primary: #000000;
        --color-border: #ffffff;
        --color-primary: #79c0ff;
    }
}

/* === PRINT STYLES === */
@media print {
    [data-theme="dark"] {
        /* Force light mode for printing */
        --color-bg-primary: #ffffff;
        --color-bg-secondary: #f7fafc;
        --color-text-primary: #0a0e27;
        --color-text-secondary: #2d3748;
    }
}