/* =============================================
   ProductionInterne Website v2 - Design System
   CSS Variables custom (zero framework externe)
   ============================================= */

/* ---- @font-face Inter (self-hosted) ---- */
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ---- Variables ---- */
:root {
    /* Couleurs */
    --color-primary: #1E78BB;
    --color-primary-dark: #165d96;
    --color-primary-light: #e8f4fd;
    --color-info: #17a2b8;
    --color-accent: #F59E0B;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-error: #dc3545;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-white: #FFFFFF;

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #1E78BB 0%, #4fb3d4 100%);
    --gradient-btn: linear-gradient(45deg, var(--color-primary), var(--color-info));

    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Espacements */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    /* Borders */
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 200ms ease;
    --transition-slow: 300ms ease;

    /* Layout */
    --container-max: 1200px;
    --navbar-height: 64px;
}


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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
}


/* ===========================================================
   ICONS (SVG sprite)
   =========================================================== */
.icon {
    width: 24px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.icon-xs { width: 14px; height: 14px; }
.icon-sm { width: 18px; height: 18px; }
.icon-lg { width: 32px; height: 32px; }
.icon-xl { width: 48px; height: 48px; }
.icon-brand { width: 28px; height: 28px; }


/* ===========================================================
   LAYOUT
   =========================================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.main-content {
    min-height: calc(100vh - var(--navbar-height) - 200px);
}

.section {
    padding: 80px 0;
}

.section-alt {
    background-color: var(--color-gray-50);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-12);
    color: var(--color-gray-900);
    position: relative;
    padding-bottom: var(--space-6);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
    color: var(--color-gray-600);
    font-size: var(--font-size-lg);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-8);
    color: var(--color-gray-900);
}

.page-description {
    color: var(--color-gray-600);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-8);
}


/* ===========================================================
   NAVBAR
   =========================================================== */
.navbar {
    background: var(--gradient-primary);
    height: var(--navbar-height);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white) !important;
    text-decoration: none;
}

.navbar-brand .icon {
    color: var(--color-white);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white) !important;
    background: rgba(255, 255, 255, 0.15);
}

.nav-link-external .icon {
    color: rgba(255, 255, 255, 0.7);
}

/* ---- Navbar Toggle (mobile) ---- */
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    position: relative;
    width: 36px;
    height: 36px;
}

.navbar-toggle-icon,
.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-slow);
    position: absolute;
    left: 6px;
}

.navbar-toggle-icon {
    top: 50%;
    transform: translateY(-50%);
}

.navbar-toggle-icon::before {
    content: '';
    top: -7px;
}

.navbar-toggle-icon::after {
    content: '';
    top: 7px;
}

/* ---- Language Selector ---- */
.lang-selector {
    position: relative;
    margin-left: var(--space-2);
}

.lang-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    z-index: 200;
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--color-gray-700) !important;
    font-size: var(--font-size-sm);
    transition: all var(--transition);
}

.lang-option:hover {
    background: var(--color-primary-light);
    color: var(--color-primary) !important;
}

.lang-option.active {
    background: var(--color-primary);
    color: var(--color-white) !important;
    font-weight: 600;
}


/* ===========================================================
   BUTTONS
   =========================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 30px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-slow);
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-btn);
    color: var(--color-white) !important;
    border-color: transparent;
}

.btn-primary:hover {
    box-shadow: 0 10px 20px rgba(30, 120, 187, 0.3);
    color: var(--color-white) !important;
}

.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary) !important;
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white) !important;
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary) !important;
    border-color: var(--color-white);
}

.btn-white:hover {
    background: var(--color-gray-100);
    color: var(--color-primary-dark) !important;
}

.btn-outline-white {
    background: transparent;
    border-color: var(--color-white);
    color: var(--color-white) !important;
}

.btn-outline-white:hover {
    background: var(--color-white);
    color: var(--color-primary) !important;
}

.btn-lg {
    padding: 15px 35px;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 8px 20px;
    font-size: var(--font-size-sm);
}

.btn-block {
    width: 100%;
}


/* ===========================================================
   BADGES
   =========================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.badge-success {
    background: var(--color-success);
    color: var(--color-white);
}

.badge-info {
    background: var(--color-info);
    color: var(--color-white);
}

.badge-warning {
    background: var(--color-warning);
    color: var(--color-gray-900);
}

.badge-error {
    background: var(--color-error);
    color: var(--color-white);
}

.badge-primary {
    background: var(--color-primary);
    color: var(--color-white);
}


/* ===========================================================
   HERO SECTION
   =========================================================== */
.hero-section {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 100px 0;
    overflow: hidden;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 500;
    margin-bottom: var(--space-4);
    opacity: 0.95;
}

.hero-description {
    font-size: var(--font-size-lg);
    font-weight: 300;
    margin-bottom: var(--space-8);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}


/* ===========================================================
   STATS SECTION
   =========================================================== */
.section-stats {
    background: var(--color-white);
    padding: 60px 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
    text-align: center;
}

.stat-item {
    padding: var(--space-6);
}

.stat-value {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--space-2);
}

.stat-label {
    display: block;
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    font-weight: 500;
}


/* ===========================================================
   FEATURES GRID
   =========================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: 40px 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-slow);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
}

.feature-icon .icon {
    width: 36px;
    height: 36px;
    color: var(--color-white);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.feature-card p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}


/* ===========================================================
   PRICING SECTION
   =========================================================== */
.pricing-container {
    max-width: 500px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: 50px 40px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 3px solid var(--color-success);
    position: relative;
    transition: all var(--transition-slow);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
}

.pricing-price {
    margin-bottom: var(--space-8);
}

.pricing-amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.pricing-currency {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-primary);
    vertical-align: super;
}

.pricing-period {
    display: block;
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
    margin-top: var(--space-2);
}

.pricing-features {
    text-align: left;
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    color: var(--color-gray-700);
    font-size: var(--font-size-base);
}

.pricing-features li .icon {
    color: var(--color-success);
    flex-shrink: 0;
}


/* ===========================================================
   SCREENSHOTS SECTION
   =========================================================== */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.screenshot-card {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-slow);
}

.screenshot-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
}


/* ===========================================================
   SUPPORT SECTION
   =========================================================== */
.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    text-align: center;
}

.support-item {
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition-slow);
}

.support-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.support-item .icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.support-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.support-item a {
    color: var(--color-primary);
    font-weight: 500;
}


/* ===========================================================
   FOOTER
   =========================================================== */
.footer {
    background: var(--color-gray-800);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-col {
    min-width: 0;
}

.footer-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-title .icon {
    color: var(--color-primary-light);
}

.footer-description {
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--color-gray-400) !important;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-white) !important;
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--space-8);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.footer-passion {
    margin-top: var(--space-2);
    color: var(--color-gray-600);
    font-size: var(--font-size-xs);
}


/* ===========================================================
   DOCUMENTATION PAGE
   =========================================================== */
.doc-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-8);
    align-items: start;
}

.doc-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-6));
}

.doc-nav {
    background: linear-gradient(135deg, var(--color-gray-50), var(--color-gray-100));
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow);
}

.doc-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.doc-nav a {
    display: block;
    color: var(--color-primary) !important;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    transition: all var(--transition);
}

.doc-nav a:hover {
    background: var(--color-primary);
    color: var(--color-white) !important;
    transform: translateX(2px);
}

.doc-nav a.active {
    background: var(--color-primary);
    color: var(--color-white) !important;
    font-weight: 600;
}

.doc-content {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    line-height: 1.8;
}

.doc-content h1 {
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-primary);
    padding-bottom: 15px;
    margin-bottom: 30px;
    font-size: var(--font-size-4xl);
}

.doc-content h2 {
    color: var(--color-gray-900);
    margin-top: 40px;
    margin-bottom: 20px;
    padding-left: 20px;
    border-left: 4px solid var(--color-primary);
    font-size: var(--font-size-2xl);
}

.doc-content h3 {
    color: var(--color-gray-600);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: var(--font-size-xl);
}

.doc-content p {
    margin-bottom: 16px;
}

.doc-content ul,
.doc-content ol {
    margin-bottom: 20px;
    padding-left: 30px;
    list-style: disc;
}

.doc-content ol {
    list-style: decimal;
}

.doc-content li {
    margin-bottom: 8px;
}

.doc-content blockquote {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-left: 4px solid var(--color-info);
    padding: 20px;
    margin: 25px 0;
    border-radius: var(--radius);
    font-style: italic;
}

.doc-content code {
    background: var(--color-gray-100);
    padding: 2px 6px;
    border-radius: 3px;
    color: #e83e8c;
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.9em;
}

.doc-content pre {
    background: var(--color-gray-100);
    padding: 20px;
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--color-gray-200);
}

.doc-content pre code {
    background: transparent;
    padding: 0;
    color: var(--color-gray-800);
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    background: var(--color-white);
    box-shadow: var(--shadow);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.doc-content th {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.doc-content td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--color-gray-200);
}

.doc-content tr:nth-child(even) {
    background: var(--color-gray-50);
}

.doc-content tr:hover {
    background: var(--color-primary-light);
}


/* ===========================================================
   CHANGELOG PAGE
   =========================================================== */
.changelog-content {
    max-width: 800px;
    margin: 0 auto;
}

.version-entry {
    background: var(--color-white);
    padding: 30px;
    border-radius: var(--radius-lg);
    margin: 20px 0;
    border-left: 3px solid var(--color-gray-300);
    box-shadow: var(--shadow);
}

.version-current {
    background: linear-gradient(135deg, #e8f5e8, #d4edda);
    border-left: 5px solid var(--color-success);
    box-shadow: var(--shadow-md);
}

.version-future {
    border-left: 3px dashed var(--color-info);
    opacity: 0.85;
}

.version-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
}

.version-header h2 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0;
    font-size: var(--font-size-2xl);
    color: var(--color-gray-900);
}

.version-current .version-header h2 {
    color: var(--color-success);
}

.version-number {
    font-weight: 700;
}

.version-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    font-weight: 500;
}

.version-body {
    margin-top: var(--space-4);
}

.version-section {
    margin-bottom: var(--space-4);
}

.version-section:last-child {
    margin-bottom: 0;
}

.version-section h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.section-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.section-added {
    background: #d4edda;
    color: #155724;
}

.section-fixed {
    background: #cce5ff;
    color: #004085;
}

.section-changed {
    background: #fff3cd;
    color: #856404;
}

.section-removed {
    background: #f8d7da;
    color: #721c24;
}

.section-security {
    background: #e2d9f3;
    color: #4a148c;
}

.section-other {
    background: var(--color-gray-200);
    color: var(--color-gray-600);
}

.version-section ul {
    list-style: none;
    padding-left: 30px;
}

.version-section li {
    position: relative;
    padding: var(--space-1) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
}

.version-section li::before {
    content: "\2022";
    position: absolute;
    left: -16px;
    color: var(--color-gray-400);
}


/* ===========================================================
   ABOUT PAGE
   =========================================================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.about-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-slow);
}

.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.about-card-full {
    grid-column: 1 / -1;
    text-align: center;
    background: linear-gradient(135deg, var(--color-gray-50), var(--color-white));
    border: 2px solid var(--color-primary-light);
}

.about-card-icon {
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.about-card-full .about-card-icon {
    display: flex;
    justify-content: center;
}

.about-card h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.about-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.about-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-3);
}

.about-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.about-feature-list {
    list-style: none;
    padding: 0;
}

.about-feature-list li {
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.about-feature-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.about-author-info p {
    margin-bottom: var(--space-2);
}

.about-author-info a {
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.about-license-badge {
    margin-top: var(--space-4);
}

.about-support-links {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-4);
}


/* ===========================================================
   ERROR PAGE
   =========================================================== */
.error-section {
    text-align: center;
    padding: 120px 0;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-4);
    opacity: 0.3;
}

.error-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.error-message {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
}


/* ===========================================================
   ANIMATIONS
   =========================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}


/* ===========================================================
   RESPONSIVE - TABLET (max 768px)
   =========================================================== */
@media (max-width: 768px) {
    /* Navbar */
    .navbar-toggle {
        display: block;
    }

    .navbar-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--color-gray-800);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-2);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-slow);
        box-shadow: var(--shadow-lg);
    }

    .navbar-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-base);
    }

    .lang-selector {
        margin-left: 0;
        margin-top: var(--space-2);
        border-top: 1px solid var(--color-gray-700);
        padding-top: var(--space-3);
    }

    .lang-dropdown {
        position: static;
        box-shadow: none;
        margin-top: var(--space-2);
        border-radius: var(--radius);
    }

    /* Hero */
    .hero-section {
        padding: 60px 0;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .stat-value {
        font-size: var(--font-size-4xl);
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .feature-card:hover {
        transform: none;
    }

    /* Screenshots */
    .screenshots-grid {
        grid-template-columns: 1fr;
    }

    /* Support */
    .support-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    /* Pricing */
    .pricing-card {
        padding: 30px 20px;
    }

    .pricing-amount {
        font-size: var(--font-size-5xl);
    }

    /* Documentation */
    .doc-layout {
        grid-template-columns: 1fr;
    }

    .doc-sidebar {
        position: static;
    }

    .doc-content {
        padding: 20px;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-card-full {
        grid-column: 1;
    }

    /* Changelog */
    .version-header {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Section */
    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }
}


/* ===========================================================
   RESPONSIVE - MOBILE (max 480px)
   =========================================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero-section {
        padding: 40px 0;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-value {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }
}