/*
 * Zynetra global theme system
 * This is the only file that defines theme color tokens.
 */
:root {
    color-scheme: light dark;
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --cyan: #2dd4bf;
    --blue: #3b82f6;
    --success: #10b981;
    --pink-accent: #ec4899;
    --orange-accent: #f97316;
    --danger: #ef4444;
    --white: #ffffff;

    --transition-theme: 350ms ease;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.35);

    /* Brand aliases retained for existing components. */
    --purple-accent: var(--primary);
    --purple-main: var(--primary-hover);
    --purple-light: #a78bfa;
    --cyan-accent: var(--cyan);
    --blue-accent: var(--blue);
    --teal-main: var(--cyan);
}

[data-theme="dark"] {
    color-scheme: dark;
    --background: #05040a;
    --background-alt: #070913;
    --surface: #100d18;
    --surface-alt: #171321;
    --surface-elevated: #1d1829;
    --surface-hover: #251e34;
    --navbar-bg: rgba(5, 4, 10, 0.88);
    --footer-bg: #05040a;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-on-accent: #ffffff;
    --border: rgba(226, 232, 240, 0.14);
    --border-strong: rgba(226, 232, 240, 0.24);
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 14px 35px rgba(0, 0, 0, 0.34);
    --shadow-brand: 0 16px 45px rgba(139, 92, 246, 0.22);
    --hero-gradient: radial-gradient(circle at 75% 45%, rgba(76, 29, 149, 0.48), transparent 42%);
    --page-gradient: radial-gradient(circle at 15% 10%, rgba(139, 92, 246, 0.09), transparent 38%),
        radial-gradient(circle at 85% 20%, rgba(45, 212, 191, 0.05), transparent 38%);
    --card-gradient: linear-gradient(145deg, var(--surface-elevated), var(--surface));
    --cta-gradient: linear-gradient(135deg, #4c1d95, #7c3aed);
    --image-surface: linear-gradient(135deg, #1c0a38, #0a0316);
    --primary-soft: rgba(139, 92, 246, 0.14);
    --primary-soft-hover: rgba(139, 92, 246, 0.23);
    --primary-border: rgba(139, 92, 246, 0.38);
    --cyan-soft: rgba(45, 212, 191, 0.10);
    --cyan-border: rgba(45, 212, 191, 0.28);
    --blue-soft: rgba(59, 130, 246, 0.10);
    --blue-border: rgba(59, 130, 246, 0.28);

    /* Legacy aliases map every page to the unified theme. */
    --bg-base: var(--background);
    --bg-color: var(--background);
    --bg-dark: var(--background);
    --bg-dark-2: var(--background-alt);
    --bg-darker: var(--footer-bg);
    --bg-light: var(--surface);
    --bg-white: var(--surface-alt);
    --bg-surface: var(--surface);
    --bg-surface-light: var(--surface-alt);
    --strip-bg: var(--surface);
    --text-main: var(--text-primary);
    --text-dark: var(--text-primary);
    --text-light: var(--text-primary);
    --text-muted-2: var(--text-muted);
    --text-muted-3: var(--text-secondary);
    --text-accent: #c4b5fd;
    --border-color: var(--border);
    --primary-light: var(--primary-soft);
    --primary-glow: rgba(139, 92, 246, 0.38);
    --purple-bg: var(--primary-soft);
    --purple-border: var(--primary-border);
    --cyan-bg: var(--cyan-soft);
    --blue-bg: var(--blue-soft);
    --blue-light: rgba(59, 130, 246, 0.16);
    --teal-light: rgba(45, 212, 191, 0.16);
    --gradient-accent: linear-gradient(90deg, var(--primary), #c084fc);
}

[data-theme="light"] {
    color-scheme: light;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --surface: #f8fafc;
    --surface-alt: #f1f5f9;
    --surface-elevated: #ffffff;
    --surface-hover: #ede9fe;
    --navbar-bg: rgba(255, 255, 255, 0.9);
    --footer-bg: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-on-accent: #ffffff;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.07);
    --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.10);
    --shadow-brand: 0 16px 42px rgba(124, 58, 237, 0.16);
    --hero-gradient: radial-gradient(circle at 75% 45%, rgba(139, 92, 246, 0.13), transparent 43%);
    --page-gradient: radial-gradient(circle at 15% 10%, rgba(139, 92, 246, 0.08), transparent 38%),
        radial-gradient(circle at 85% 20%, rgba(45, 212, 191, 0.07), transparent 38%);
    --card-gradient: linear-gradient(145deg, #ffffff, #f8fafc);
    --cta-gradient: linear-gradient(135deg, #6d28d9, #8b5cf6);
    --image-surface: linear-gradient(135deg, #f5f3ff, #eef2ff);
    --primary-soft: rgba(139, 92, 246, 0.10);
    --primary-soft-hover: rgba(139, 92, 246, 0.16);
    --primary-border: rgba(124, 58, 237, 0.28);
    --cyan-soft: rgba(45, 212, 191, 0.10);
    --cyan-border: rgba(13, 148, 136, 0.28);
    --blue-soft: rgba(59, 130, 246, 0.09);
    --blue-border: rgba(37, 99, 235, 0.25);

    --bg-base: var(--background);
    --bg-color: var(--background);
    --bg-dark: var(--background);
    --bg-dark-2: var(--background-alt);
    --bg-darker: var(--footer-bg);
    --bg-light: var(--surface);
    --bg-white: var(--surface-elevated);
    --bg-surface: var(--surface-elevated);
    --bg-surface-light: var(--surface-alt);
    --strip-bg: var(--surface);
    --text-main: var(--text-primary);
    --text-dark: var(--text-primary);
    --text-light: var(--text-primary);
    --text-muted-2: var(--text-muted);
    --text-muted-3: var(--text-secondary);
    --text-accent: #6d28d9;
    --border-color: var(--border);
    --primary-light: var(--primary-soft);
    --primary-glow: rgba(124, 58, 237, 0.2);
    --purple-light: #7c3aed;
    --purple-bg: var(--primary-soft);
    --purple-border: var(--primary-border);
    --cyan-bg: var(--cyan-soft);
    --blue-bg: var(--blue-soft);
    --blue-light: var(--blue-soft);
    --teal-light: var(--cyan-soft);
    --gradient-accent: linear-gradient(90deg, var(--primary), #a855f7);
}

html {
    background: var(--background);
}

body {
    background-color: var(--background);
    background-image: var(--page-gradient);
    color: var(--text-primary);
}

body,
section,
div,
nav,
button,
a,
input,
textarea,
select,
.card,
.navbar,
.main-nav {
    transition:
        background-color var(--transition-theme),
        border-color var(--transition-theme),
        color var(--transition-theme),
        box-shadow var(--transition-theme),
        fill var(--transition-theme);
}

button,
a,
input,
textarea,
select {
    -webkit-tap-highlight-color: transparent;
}

.modal,
[role="dialog"],
.dropdown,
.dropdown-menu {
    background: var(--surface-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
    cursor: not-allowed;
    opacity: 0.58;
}

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    box-shadow: var(--focus-ring);
}

::selection {
    background: var(--primary);
    color: var(--text-on-accent);
}

input,
textarea,
select {
    background: var(--surface-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

.main-nav {
    background: var(--navbar-bg);
    border-color: var(--border);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.main-nav .logo,
.main-nav .nav-links a {
    color: var(--text-primary);
}

.main-nav .nav-links a:hover,
.main-nav .nav-links a:focus-visible,
.main-nav .nav-links a.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 58px;
    height: 32px;
    flex: 0 0 58px;
    padding: 3px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: var(--surface-alt);
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.08), var(--shadow-sm);
    overflow: hidden;
}

.theme-toggle::before {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--surface-elevated);
    box-shadow: 0 2px 7px rgba(15, 23, 42, 0.2);
    transform: translateX(0);
    transition: transform 350ms cubic-bezier(.2, .8, .2, 1), background-color var(--transition-theme);
}

[data-theme="dark"] .theme-toggle::before {
    transform: translateX(26px);
}

.theme-toggle-icon {
    position: relative;
    z-index: 1;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    transition: opacity 250ms ease, transform 350ms ease, color var(--transition-theme);
}

.theme-toggle-icon svg {
    width: 15px;
    height: 15px;
}

.theme-toggle-icon--sun {
    color: #d97706;
}

.theme-toggle-icon--moon {
    margin-left: 2px;
    color: #a78bfa;
}

[data-theme="light"] .theme-toggle-icon--moon,
[data-theme="dark"] .theme-toggle-icon--sun {
    opacity: 0.42;
    transform: scale(0.82) rotate(-20deg);
}

.card,
.service-card,
.step-card,
.assess-card,
.industry-card,
.pricing-card,
.service-block,
.monitor-card,
.features-strip {
    color: var(--text-primary);
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.card:hover,
.service-card:hover,
.step-card:hover,
.assess-card:hover,
.industry-card:hover,
.pricing-card:hover,
.service-block:hover {
    box-shadow: var(--shadow-md);
}

.card-header,
.monitor-right {
    border-color: var(--border) !important;
}

.industry-icon,
.card-icon,
.monitor-icon-wrapper,
.dash-card {
    background-color: var(--primary-soft);
    border-color: var(--primary-border);
}

.dash-line {
    background: var(--border-strong);
}

.mobile-ui {
    background: color-mix(in srgb, var(--surface-elevated) 88%, transparent);
    color: var(--text-primary);
}

.outcomes-box {
    background: var(--primary-soft);
    border-color: var(--primary-border);
}

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

[data-theme="light"] .hero-section-wrapper,
[data-theme="light"] .landscape-section-wrapper,
[data-theme="light"] .dark-section-wrapper {
    background-color: var(--background-alt);
    color: var(--text-primary);
}

[data-theme="light"] .hero-section-wrapper,
[data-theme="light"] .home-page > .hero {
    background-image: var(--hero-gradient);
}

[data-theme="light"] .assess-card {
    background: var(--surface-elevated);
}

[data-theme="light"] .assess-card:hover {
    background: var(--surface-alt);
}

[data-theme="light"] .workflow-arrow,
[data-theme="light"] .industry-arrow,
[data-theme="light"] .landscape-arrow {
    color: var(--text-muted);
}

[data-theme="light"] .card-image-mock {
    background: var(--image-surface);
    color: var(--primary-soft);
}

[data-theme="light"] .pricing-card.popular,
[data-theme="light"] .monitor-card {
    background: var(--card-gradient);
}

[data-theme="light"] .btn-outline,
[data-theme="light"] .btn-secondary {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

[data-theme="light"] .btn-outline:hover,
[data-theme="light"] .btn-secondary:hover {
    background: var(--surface-alt);
    border-color: var(--primary);
}

[data-theme="light"] .social-links a:hover {
    color: var(--primary);
}

@media (max-width: 1120px) {
    .main-nav {
        grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .nav-actions {
        grid-column: 2;
        grid-row: 1;
    }

    .mobile-menu-btn {
        grid-column: 3;
        grid-row: 1;
        border-color: var(--border-strong);
    }

    .mobile-menu-btn span {
        background: var(--text-primary);
    }

    .main-nav .nav-links {
        background: var(--surface-elevated);
        border-color: var(--border);
        box-shadow: var(--shadow-md);
    }

    .main-nav .nav-links a:hover,
    .main-nav .nav-links a:focus-visible {
        background: var(--primary-soft);
    }
}

@media (max-width: 480px) {
    .main-nav {
        gap: 10px;
    }

    .theme-toggle {
        width: 52px;
        flex-basis: 52px;
    }

    [data-theme="dark"] .theme-toggle::before {
        transform: translateX(20px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .theme-toggle::before,
    .theme-toggle-icon {
        transition-duration: 0.01ms !important;
    }
}