/*
Theme Name: Lommeregner
Theme URI: https://lommeregner.com
Author: Lommeregner Team
Author URI: https://lommeregner.com
Description: A clean, SEO-optimized WordPress theme for online calculator - Gratis Online Lommeregner. Features lommeregneren online and brøk lommeregneren functionality.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lommeregner
Tags: calculator, clean, white, seo-optimized, responsive

Gratis Online Lommeregner - Din gratis lommeregneren online og brøk lommeregneren
*/

/* ========================================
   CSS VARIABLES & RESET
======================================== */
:root {
    --color-primary: #1a56db;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #059669;
    --color-accent: #f59e0b;
    --color-dark: #111827;
    --color-gray-900: #1f2937;
    --color-gray-800: #374151;
    --color-gray-700: #4b5563;
    --color-gray-600: #6b7280;
    --color-gray-500: #9ca3af;
    --color-gray-400: #d1d5db;
    --color-gray-300: #e5e7eb;
    --color-gray-200: #f3f4f6;
    --color-gray-100: #f9fafb;
    --color-white: #ffffff;
    --color-error: #dc2626;
    --color-success: #16a34a;
    
    --font-primary: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-calculator: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    min-height: 100vh;
}

/* ========================================
   TYPOGRAPHY
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-dark);
    margin-bottom: 0.75em;
}

h1 { font-size: 2.75rem; letter-spacing: -0.025em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1.25em;
    color: var(--color-gray-700);
}

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

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

/* ========================================
   LAYOUT
======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 900px;
}

.container-wide {
    max-width: 1400px;
}

/* ========================================
   HEADER & NAVIGATION
======================================== */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.375rem;
    color: var(--color-dark);
    text-decoration: none;
}

.site-logo:hover {
    color: var(--color-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.logo-icon svg {
    width: 40px;
    height: 40px;
}

.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
}

.nav-menu li {
    position: relative;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    display: flex;
    align-items: center;
    align-self: stretch;
}

.nav-menu > li.menu-item-has-children {
    display: flex;
    align-items: center;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-menu a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1;
}

.nav-menu a:hover,
.nav-menu .current-menu-item a {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

.nav-menu a svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
    flex-shrink: 0;
    vertical-align: middle;
}

/* Dropdown */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    list-style: none;
}

.nav-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu a {
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--color-gray-700);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 900px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-200);
        padding: 1rem;
        display: none;
    }
    
    .main-navigation.is-active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
    }
}

/* ========================================
   HERO SECTION
======================================== */
.hero-section {
    padding: 4rem 0 3rem;
    text-align: center;
    background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.hero-title span {
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 2.5rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.0625rem;
    }
}

/* ========================================
   CALCULATOR STYLES
======================================== */
.calculator-section {
    padding: 2rem 0 4rem;
}

.calculator-wrapper {
    max-width: 480px;
    margin: 0 auto;
}

.calculator {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-calculator);
    overflow: hidden;
}

.calculator-display {
    background: var(--color-gray-900);
    padding: 2rem 1.5rem;
    text-align: right;
}

.calculator-expression {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-gray-400);
    min-height: 1.5rem;
    word-break: break-all;
}

.calculator-result {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-white);
    margin-top: 0.5rem;
    word-break: break-all;
    line-height: 1.2;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--color-gray-200);
    padding: 1px;
}

.calc-btn {
    border: none;
    background: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 500;
    padding: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-800);
    min-height: 72px;
}

.calc-btn:hover {
    background: var(--color-gray-100);
}

.calc-btn:active {
    background: var(--color-gray-200);
    transform: scale(0.98);
}

.calc-btn.operator {
    background: var(--color-gray-100);
    color: var(--color-primary);
    font-weight: 600;
}

.calc-btn.operator:hover {
    background: var(--color-gray-200);
}

.calc-btn.equals {
    background: var(--color-primary);
    color: var(--color-white);
}

.calc-btn.equals:hover {
    background: var(--color-primary-dark);
}

.calc-btn.clear {
    background: var(--color-gray-100);
    color: var(--color-error);
    font-weight: 600;
}

.calc-btn.clear:hover {
    background: #fee2e2;
}

.calc-btn.wide {
    grid-column: span 2;
}

.calc-btn svg {
    width: 22px;
    height: 22px;
}

/* Scientific Calculator Extra Row */
.calculator-scientific {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--color-gray-200);
    padding: 1px;
    border-bottom: 1px solid var(--color-gray-200);
}

.calc-btn.scientific {
    font-size: 0.875rem;
    padding: 0.875rem 0.5rem;
    min-height: 52px;
    background: var(--color-gray-50);
    color: var(--color-gray-700);
}

.calc-btn.scientific:hover {
    background: var(--color-gray-100);
}

/* Fractional Calculator Mode */
.fractional-mode {
    display: none;
    padding: 2rem 1.5rem;
    background: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
}

.fractional-mode.active,
.mode-fractional .fractional-mode {
    display: block;
}

.fractional-inputs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.fraction-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    background: var(--color-gray-800);
    padding: 1rem;
    border-radius: var(--radius-md);
    min-width: 80px;
}

.fraction-group label {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.fraction-group input {
    width: 70px;
    padding: 0.625rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-gray-700);
    border: 2px solid var(--color-gray-600);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.fraction-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-gray-600);
}

.fraction-group input::placeholder {
    color: var(--color-gray-500);
}

.fraction-line {
    width: 100%;
    height: 3px;
    background: var(--color-white);
    margin: 0.375rem 0;
    border-radius: 2px;
}

.fraction-operator-select {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.frac-op {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--color-gray-700);
    color: var(--color-gray-300);
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.frac-op:hover {
    background: var(--color-gray-600);
    color: var(--color-white);
}

.frac-op.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.fraction-equals {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-400);
    padding: 0 0.5rem;
}

.fraction-result-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    background: var(--color-primary);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    min-width: 100px;
}

.fraction-result-group label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.fraction-result-display {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fraction-result-display span {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    min-width: 60px;
    text-align: center;
}

.fraction-result-group .fraction-line {
    background: rgba(255, 255, 255, 0.8);
}

.fraction-decimal {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

.fraction-calculate-btn {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 1.5rem auto 0;
    padding: 1rem 2rem;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.fraction-calculate-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 86, 219, 0.4);
}

.fraction-calculate-btn:active {
    transform: translateY(0);
}

/* Mode-specific visibility */
.mode-fractional .calculator-display,
.mode-fractional .calculator-buttons {
    display: none !important;
}

.mode-fractional .fractional-mode {
    display: block !important;
}

@media (max-width: 600px) {
    .fractional-inputs {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .fraction-operator-select {
        flex-direction: row;
    }
    
    .fraction-equals {
        transform: rotate(90deg);
    }
}

/* Calculator Mode Tabs */
.calculator-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-gray-200);
}

.calc-tab {
    flex: 1;
    padding: 1rem;
    border: none;
    background: var(--color-gray-50);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.calc-tab:hover {
    background: var(--color-gray-100);
}

.calc-tab.active {
    background: var(--color-white);
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.calc-tab svg {
    width: 18px;
    height: 18px;
}

/* Memory Display */
.memory-indicator {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-gray-800);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
}

.memory-indicator.active {
    display: flex;
}

.memory-indicator svg {
    width: 14px;
    height: 14px;
}

/* History Panel */
.history-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    background: var(--color-gray-50);
}

.history-panel.active {
    max-height: 300px;
    border-bottom: 1px solid var(--color-gray-200);
}

.history-list {
    padding: 1rem 1.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-200);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.history-item:last-child {
    border-bottom: none;
}

.history-item:hover {
    background: var(--color-white);
    margin: 0 -0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    border-radius: var(--radius-sm);
}

.history-expression {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.history-result {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

/* ========================================
   INSTRUCTIONS SECTION
======================================== */
.instructions-section {
    padding: 4rem 0;
    background: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2rem;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.instruction-card {
    padding: 2rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.instruction-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.instruction-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    flex-shrink: 0;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    margin: 0;
}

.instruction-text {
    color: var(--color-gray-600);
    line-height: 1.7;
    margin: 0;
}

/* Tips Section */
.tips-section {
    padding: 3rem 0;
    background: var(--color-gray-50);
}

.tips-list {
    display: grid;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.tip-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.tip-text {
    color: var(--color-gray-700);
    margin: 0;
    line-height: 1.6;
}

.tip-text strong {
    color: var(--color-dark);
}

/* ========================================
   FEATURES SECTION
======================================== */
.features-section {
    padding: 5rem 0;
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-box {
    padding: 2rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-primary);
    transition: all var(--transition-normal);
}

.feature-box:hover .feature-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.feature-text {
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.6;
}

/* ========================================
   CALCULATOR TYPES GRID
======================================== */
.calculators-section {
    padding: 5rem 0;
    background: var(--color-gray-50);
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.calculator-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.calculator-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.calculator-card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-white);
}

.calculator-card-icon svg {
    width: 24px;
    height: 24px;
}

.calculator-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.calculator-card-text {
    color: var(--color-gray-600);
    margin: 0 0 1rem;
    line-height: 1.6;
    flex-grow: 1;
}

.calculator-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-primary);
}

.calculator-card-link svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.calculator-card:hover .calculator-card-link svg {
    transform: translateX(4px);
}

/* ========================================
   ARTICLE / CONTENT PAGES
======================================== */
.article-page {
    padding: 4rem 0;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.article-category {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--color-gray-100);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-meta-item svg {
    width: 18px;
    height: 18px;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-content h2 {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
}

.article-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-content h3 {
    margin-top: 2rem;
}

.article-content img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 2rem 0;
}

.article-content blockquote {
    padding: 1.5rem 2rem;
    background: var(--color-gray-50);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-gray-700);
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.75rem;
    color: var(--color-gray-700);
}

/* Timeline for History Pages */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-gray-300);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--color-white);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    transform: translateX(-50%);
}

.timeline-year {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.timeline-content {
    background: var(--color-gray-50);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
}

.timeline-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.timeline-text {
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.6;
}

/* ========================================
   BLOG / NEWS SECTION
======================================== */
.blog-page {
    padding: 4rem 0;
}

.blog-header {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-title {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.blog-subtitle {
    color: var(--color-gray-600);
    font-size: 1.125rem;
}

/* Featured Post */
.featured-post {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.featured-post-image {
    aspect-ratio: 16/10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-gray-200);
}

.featured-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-post-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    width: fit-content;
}

.featured-badge svg {
    width: 14px;
    height: 14px;
}

.featured-post-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.featured-post-title a {
    color: var(--color-dark);
}

.featured-post-title a:hover {
    color: var(--color-primary);
}

.featured-post-excerpt {
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.featured-post-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.featured-post-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.featured-post-meta svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 900px) {
    .featured-post {
        grid-template-columns: 1fr;
    }
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-gray-100);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-card-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-gray-100);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.blog-card-title {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-card-title a {
    color: var(--color-dark);
}

.blog-card-title a:hover {
    color: var(--color-primary);
}

.blog-card-excerpt {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-100);
}

.blog-card-date {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.blog-card-date svg {
    width: 14px;
    height: 14px;
}

.blog-card-read-time {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 4rem;
}

.page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.page-numbers:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.page-numbers.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.page-numbers.prev,
.page-numbers.next {
    width: auto;
    padding: 0 1rem;
    gap: 0.5rem;
}

.page-numbers svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   FOOTER
======================================== */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.footer-logo .logo-icon svg {
    width: 20px;
    height: 20px;
}

.footer-tagline {
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--color-gray-800);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.footer-legal a:hover {
    color: var(--color-gray-300);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
        max-width: none;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 500;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .calculator,
    .no-print {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a {
        color: inherit;
        text-decoration: underline;
    }
}