/* ==============================================
   TranscriptionSoftware Theme — Main Stylesheet
   1. Custom Properties
   2. Reset
   3. Typography
   4. Layout
   5. Header & Navigation
   6. Footer
   7. Content Prose
   8. Forms
   ============================================== */

/* -----------------------------------------------
   1. CUSTOM PROPERTIES (Design Tokens)
   ----------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #1a56db;
    --color-primary-dark: #1e40af;
    --color-primary-light: #e0edff;
    --color-accent: #0d9488;
    --color-accent-light: #ccfbf1;
    --color-text: #111827;
    --color-text-secondary: #4b5563;
    --color-text-muted: #9ca3af;
    --color-bg: #ffffff;
    --color-bg-subtle: #f8fafc;
    --color-bg-muted: #f3f4f6;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #e0edff 0%, #f0e6ff 35%, #ccfbf1 70%, #e0edff 100%);
    --gradient-hero-alt: linear-gradient(160deg, #dbeafe 0%, #ede9fe 50%, #d1fae5 100%);
    --gradient-cta: linear-gradient(135deg, #1e3a5f 0%, #0f2b46 50%, #162e3e 100%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: clamp(1.75rem, 2.5vw, 2rem);
    --font-size-4xl: clamp(2rem, 3vw, 2.5rem);
    --font-size-5xl: clamp(2.25rem, 4vw, 3rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-section: clamp(4rem, 10vw, 8rem);

    /* Layout */
    --width-content: 720px;
    --width-wide: 1200px;
    --width-full: 1400px;
    --gutter: clamp(1rem, 3vw, 2rem);

    /* Misc */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.08);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* -----------------------------------------------
   2. RESET
   ----------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv11', 'ss01';
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

ul,
ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    width: 100%;
}

/* -----------------------------------------------
   3. TYPOGRAPHY
   ----------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

small {
    font-size: var(--font-size-sm);
}

strong,
b {
    font-weight: 600;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    padding: 0.15em 0.4em;
    background-color: var(--color-bg-muted);
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    padding: var(--space-lg);
    background-color: var(--color-bg-muted);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

pre code {
    padding: 0;
    background: none;
}

blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-2xl) 0;
}

/* -----------------------------------------------
   4. LAYOUT
   ----------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--width-wide);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

.container--narrow {
    max-width: var(--width-content);
}

.container--full {
    max-width: var(--width-full);
}

.section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
}

.section--subtle {
    background-color: var(--color-bg-subtle);
}

.section--muted {
    background-color: var(--color-bg-muted);
}

/* -----------------------------------------------
   5. HEADER & NAVIGATION
   ----------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--space-lg);
}

.site-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    text-decoration: none;
    flex-shrink: 0;
}

.site-brand:hover {
    color: var(--color-text);
}

.site-brand img {
    height: 32px;
    width: auto;
}

.primary-nav {
    display: none;
}

.primary-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.primary-nav__link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.primary-nav__link:hover,
.primary-nav__link[aria-current="page"] {
    color: var(--color-text);
    background-color: var(--color-bg-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-search-toggle:hover {
    color: var(--color-text);
    background-color: var(--color-bg-muted);
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    color: var(--color-text);
}

.nav-toggle__icon {
    width: 20px;
    height: 14px;
    position: relative;
}

.nav-toggle__icon span {
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    border-radius: 1px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle__icon span:nth-child(1) {
    top: 0;
}

.nav-toggle__icon span:nth-child(2) {
    top: 6px;
}

.nav-toggle__icon span:nth-child(3) {
    top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile nav overlay */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 64px 0 0;
    z-index: 99;
    background-color: var(--color-bg);
    padding: var(--space-lg) var(--gutter);
    overflow-y: auto;
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.mobile-nav__link {
    display: block;
    padding: var(--space-md);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.mobile-nav__link:hover {
    background-color: var(--color-bg-muted);
    color: var(--color-text);
}

@media (min-width: 768px) {
    .site-header__inner {
        height: 72px;
    }
}

@media (min-width: 1024px) {
    .primary-nav {
        display: block;
    }

    .nav-toggle {
        display: none;
    }

    .mobile-nav {
        display: none !important;
    }
}

/* -----------------------------------------------
   6. FOOTER
   ----------------------------------------------- */
.site-footer {
    background: var(--gradient-cta);
    color: var(--color-text-muted);
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand__name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-bg);
    margin-bottom: var(--space-sm);
}

.footer-brand__desc {
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.footer-col__title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-bg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-col__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col__link {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-col__link:hover {
    color: var(--color-bg);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    font-size: var(--font-size-xs);
}

.footer-legal__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-legal__link {
    color: var(--color-text-muted);
}

.footer-legal__link:hover {
    color: var(--color-bg);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }

    .footer-brand {
        grid-column: auto;
    }
}

/* -----------------------------------------------
   7. CONTENT PROSE
   ----------------------------------------------- */
.prose {
    font-size: var(--font-size-lg);
    line-height: 1.75;
    color: var(--color-text);
}

.prose > * + * {
    margin-top: 1.5em;
}

.prose h2 {
    font-size: var(--font-size-3xl);
    margin-top: 2.5em;
    margin-bottom: 0.75em;
    scroll-margin-top: 100px;
}

.prose h3 {
    font-size: var(--font-size-2xl);
    margin-top: 2em;
    margin-bottom: 0.5em;
    scroll-margin-top: 100px;
}

.prose h4 {
    font-size: var(--font-size-xl);
    margin-top: 1.75em;
    margin-bottom: 0.5em;
}

.prose p {
    margin-bottom: 1.5em;
}

.prose ul,
.prose ol {
    padding-left: 1.5em;
    margin-bottom: 1.5em;
}

.prose ul {
    list-style: disc;
}

.prose ol {
    list-style: decimal;
}

.prose li {
    margin-bottom: 0.5em;
    padding-left: 0.25em;
}

.prose li::marker {
    color: var(--color-primary);
}

.prose a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-primary-light);
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
    transition: text-decoration-color var(--transition-fast);
}

.prose a:hover {
    text-decoration-color: var(--color-primary);
}

.prose img {
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
}

.prose figure {
    margin: var(--space-xl) 0;
}

.prose figcaption {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
}

.prose table {
    margin: var(--space-xl) 0;
    font-size: var(--font-size-base);
}

.prose th,
.prose td {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    text-align: left;
}

.prose th {
    font-weight: 600;
    background-color: var(--color-bg-subtle);
}

.prose blockquote {
    font-size: var(--font-size-lg);
}

.prose .wp-block-image {
    margin: var(--space-xl) 0;
}

.prose .wp-block-image.alignwide {
    max-width: var(--width-wide);
    margin-left: auto;
    margin-right: auto;
}

.prose .wp-block-image.alignfull {
    max-width: none;
    margin-left: calc(-1 * var(--gutter));
    margin-right: calc(-1 * var(--gutter));
}

/* -----------------------------------------------
   8. FORMS
   ----------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="tel"],
textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.01em;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #fff;
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #fff;
    transform: translateY(-1px);
}

.btn--secondary {
    background-color: var(--color-bg-muted);
    color: var(--color-text);
}

.btn--secondary:hover {
    background-color: var(--color-border);
    color: var(--color-text);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-lg);
}

.btn--sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
}