/* GTM Engineering Blog Styles */
/* Matching the main website design at https://www.gtm-engineering.io/ */

/* ================================
   FONTS - MATCHING MAIN SITE
   ================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Almarai:wght@400;700&display=swap');

/* ================================
   CSS CUSTOM PROPERTIES & VARIABLES
   ================================ */

:root {
    /* Colors - Exact match from GTM Engineering main site */
    --color-primary: #3873c1;
    --color-primary-hover: #608fcd;
    --color-primary-light: #e8f0ff;
    --color-background: #ffffff;
    --color-background-secondary: #f4f4f4;
    --color-background-light: #f8fafc;
    --color-background-gradient-light: #e2e8f0;
    --color-text-primary: #232b28;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;
    --color-text-quaternary: #232b28;
    --color-border: #e5e5e5;
    --color-border-light: #f0f0f0;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-warning-light: #fbbf24;
    --color-error: #ef4444;

    /* Typography - Exact match from main site */
    --font-family-primary: 'Inter', sans-serif;
    --font-family-heading: 'Almarai', sans-serif;

    /* Font Sizes */
    --font-size-xs: 0.75rem; /* 12px */
    --font-size-sm: 0.875rem; /* 14px */
    --font-size-base: 1rem; /* 16px */
    --font-size-lg: 1.125rem; /* 18px */
    --font-size-xl: 1.25rem; /* 20px */
    --font-size-2xl: 1.5rem; /* 24px */
    --font-size-3xl: 1.875rem; /* 30px */
    --font-size-4xl: 2.25rem; /* 36px */
    --font-size-5xl: 3rem; /* 48px */
    --font-size-6xl: 3.75rem; /* 60px */

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Spacing */
    --space-1: 0.25rem; /* 4px */
    --space-2: 0.5rem; /* 8px */
    --space-3: 0.75rem; /* 12px */
    --space-4: 1rem; /* 16px */
    --space-5: 1.25rem; /* 20px */
    --space-6: 1.5rem; /* 24px */
    --space-8: 2rem; /* 32px */
    --space-10: 2.5rem; /* 40px */
    --space-12: 3rem; /* 48px */
    --space-16: 4rem; /* 64px */
    --space-20: 5rem; /* 80px */
    --space-24: 6rem; /* 96px */

    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-featured: 0 20px 40px -12px rgb(0 0 0 / 0.15);
    --shadow-featured-lg: 0 25px 50px -12px rgb(0 0 0 / 0.15);

    /* Breakpoints (for reference in media queries) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;

    /* Container widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}

/* ================================
   BASE STYLES & RESET
   ================================ */

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

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

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 95.7px;
}

/* ================================
   TYPOGRAPHY
   ================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-6);
}

h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-5);
}

h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-3);
}

h5 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-3);
}

h6 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2);
}

p {
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

strong,
b {
    font-weight: var(--font-weight-semibold);
}

em,
i {
    font-style: italic;
}

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

blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-4);
    margin: var(--space-6) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

code {
    background-color: var(--color-background-secondary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius-sm);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.875em;
}

pre {
    background-color: var(--color-background-secondary);
    padding: var(--space-4);
    border-radius: var(--border-radius-md);
    overflow-x: auto;
    margin: var(--space-4) 0;
}

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

/* ================================
   LAYOUT UTILITIES
   ================================ */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

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

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

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

.container-2xl {
    width: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.section {
    padding: var(--space-16) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Flexbox utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.gap-2 {
    gap: var(--space-2);
}
.gap-3 {
    gap: var(--space-3);
}
.gap-4 {
    gap: var(--space-4);
}
.gap-6 {
    gap: var(--space-6);
}
.gap-8 {
    gap: var(--space-8);
}

/* ================================
   HEADER & NAVIGATION
   ================================ */

.header {
    background-color: rgb(244, 244, 244);
    border-bottom: 0px none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    transition: background 0.3s ease-in-out, padding 0.14s ease-in-out, transform 0.14s ease-in-out 0.14s;
    height: 95.7px;
    backdrop-filter: none;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    min-height: 95.7px;
    height: 95.7px;
    max-width: 100%;
    margin: 0 43px;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.logo {
    display: inline-block;
    position: static;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 0;
    height: 38px;
}

.logo img {
    height: 38px;
    width: auto;
    transition: all 0.2s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.logo:hover {
    text-decoration: none;
}

.nav {
    display: inline-flex;
    position: static;
    align-items: center;
    height: 27.1875px;
    font-family: 'Almarai', sans-serif;
    font-size: 18px;
    font-weight: 400;
    transition: all;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    list-style: none;
    margin: 0 0 2px 0;
    padding: 0;
}

.nav-link {
    display: flex;
    position: static;
    color: var(--color-text-quaternary);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.2s ease;
    text-decoration: none;
    padding: 1.6px 0;
    height: 24px;
}

.nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
}

/* Mobile Navigation */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--color-text-primary);
    position: relative;
}

.mobile-menu-button .close-icon {
    display: none;
}

.mobile-menu-button.open .hamburger-icon {
    display: none;
}

.mobile-menu-button.open .close-icon {
    display: block;
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 95.7px;
    left: 0;
    width: 100%;
    height: calc(100vh - 95.7px);
    background-color: rgb(244, 244, 244);
    z-index: 9998;
}

.mobile-menu-overlay.open {
    display: flex;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0;
    text-align: center;
}

.mobile-nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-10);
    flex-grow: 1;
    justify-content: center;
}

.mobile-nav-links li {
    margin: 0;
}

.mobile-nav-link {
    display: block;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-4xl);
    padding: var(--space-2) 0;
    text-decoration: none;
    transition: color 0.2s ease;
}

.mobile-nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.mobile-cta {
    padding: var(--space-5) var(--space-8) !important;

    font-size: var(--font-size-lg) !important;
    font-weight: var(--font-weight-normal) !important;
    background-color: var(--color-text-primary) !important;
    border: none !important;
    color: white !important;
    border-radius: var(--border-radius);
    width: 210px;
    text-decoration: none;
    margin-bottom: var(--space-6);
}

.mobile-cta:hover {
    background-color: #243026 !important;
    color: white !important;
}

/* ================================
   BUTTONS
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border-radius: var(--border-radius-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Primary Button - Exact match for "Book Call" CTA */
.btn-primary {
    display: inline-block;
    position: relative;
    background-color: var(--color-primary);
    color: rgb(255, 255, 255);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 400;
    padding: 18px 20.8px;
    transition: opacity 0.1s linear;
    border-radius: 8px;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Secondary Button */
.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-text-primary);
}

.btn-ghost:hover {
    background-color: var(--color-background-secondary);
    color: var(--color-text-primary);
    text-decoration: none;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-xl);
}

/* ================================
   CARDS & CONTENT BLOCKS
   ================================ */

.card {
    background-color: var(--color-background);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-background-secondary);
}

/* Blog Post Cards */
.post-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius-2xl);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-light);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    box-shadow: var(--shadow-featured);
    transform: translateY(-6px);
    border-color: var(--color-primary);
}

.post-card-image {
    display: block;
    width: 100%;
    height: 220px;
    object-fit: cover;
    background-color: var(--color-background-secondary);
    text-decoration: none;
    overflow: hidden;
    position: relative;
}

.post-card-image:hover {
    text-decoration: none;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.08);
}

.post-card-content {
    padding: var(--space-8);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
    flex-shrink: 0;
}

.post-card-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.post-card-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-relaxed);
    flex: 1;
    font-size: var(--font-size-base);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.post-card-date {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.post-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.post-card-meta svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.post-card-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-top: auto;
}

.post-tag {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-2xl);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.post-tag:hover {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ================================
   BLOG-SPECIFIC STYLES
   ================================ */

/* Blog Header */
.blog-header {
    text-align: center;
    padding: var(--space-20) 0 var(--space-12);
    background: linear-gradient(135deg, var(--color-background-light) 0%, var(--color-background-gradient-light) 100%);
}

.blog-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    color: var(--color-text-primary);
    letter-spacing: -0.025em;
}

.blog-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* Category Filter Pills */
.category-filters {
    background-color: var(--color-background-light);
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.filter-pills {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filter-pill {
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-2xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.filter-pill:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.filter-pill.active,
.filter-pill:active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.filter-pill:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-2xl);
}

/* Featured Section */
.featured-section {
    background-color: var(--color-background-light);
    padding: var(--space-16) 0;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: linear-gradient(135deg, var(--color-warning-light) 0%, var(--color-warning) 100%);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-2xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.featured-post {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    background-color: var(--color-background);
    border-radius: var(--border-radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
}

.featured-post:hover {
    box-shadow: var(--shadow-featured-lg);
    transform: translateY(-2px);
}

.featured-post-content {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-post-header {
    margin-bottom: var(--space-6);
}

.featured-post-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-4);
}

.featured-post-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.featured-post-excerpt {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

.featured-post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.post-meta-date,
.post-meta-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.featured-post-meta svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.featured-post-tags {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}

.featured-post-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: var(--font-size-lg);
    align-self: flex-start;
}

.featured-post-cta:hover {
    color: var(--color-primary-hover);
    transform: translateX(4px);
}

.featured-post-cta svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.featured-post-cta:hover svg {
    transform: translateX(2px);
}

.featured-post-image {
    order: -1;
    overflow: hidden;
}

.featured-post-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.featured-post:hover .featured-post-image img {
    transform: scale(1.02);
}

/* Blog Posts Section */
.blog-posts {
    background-color: var(--color-background);
    padding: var(--space-20) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--space-12);
    color: var(--color-text-primary);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    gap: var(--space-8);
}

/* Blog Categories (legacy support) */
.blog-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.category-link {
    background-color: var(--color-background-secondary);
    color: var(--color-text-primary);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all 0.2s ease;
}

.category-link:hover,
.category-link.active {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
}

/* Single Post Styles */
.post-header {
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

.post-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-snug);
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.post-content img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    margin: var(--space-8) 0;
}

.post-content h2 {
    margin-top: var(--space-12);
    margin-bottom: var(--space-6);
}

.post-content h3 {
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.post-content ul,
.post-content ol {
    margin: var(--space-4) 0;
    padding-left: var(--space-8);
}

.post-content li {
    margin-bottom: var(--space-2);
    line-height: var(--line-height-relaxed);
}

.post-content ul li {
    list-style-type: disc;
    list-style-position: outside;
}

.post-content ol li {
    list-style-type: decimal;
    list-style-position: outside;
}

.post-content ul ul,
.post-content ol ol {
    margin: var(--space-2) 0;
    padding-left: var(--space-6);
}

.post-content ul ul li {
    list-style-type: circle;
}

.post-content ul ul ul li {
    list-style-type: square;
}

/* ================================
   TABLES
   ================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-8) 0;
    font-size: var(--font-size-base);
    background-color: var(--color-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

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

thead th {
    padding: var(--space-4) var(--space-6);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    border-bottom: 2px solid var(--color-primary-hover);
}

tbody tr {
    border-bottom: 1px solid var(--color-border-light);
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:nth-child(even) {
    background-color: var(--color-background-secondary);
}

tbody tr:hover {
    background-color: var(--color-primary-light);
}

td {
    padding: var(--space-4) var(--space-6);
    vertical-align: top;
    line-height: var(--line-height-relaxed);
}

th:first-child,
td:first-child {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

/* Mobile responsive table */
@media (max-width: 767px) {
    table {
        font-size: var(--font-size-sm);
    }

    thead th,
    td {
        padding: var(--space-3) var(--space-4);
    }

    /* Stack table on very small screens */
    @media (max-width: 480px) {
        table,
        thead,
        tbody,
        th,
        td,
        tr {
            display: block;
        }

        thead tr {
            position: absolute;
            top: -9999px;
            left: -9999px;
        }

        tr {
            border: 1px solid var(--color-border);
            margin-bottom: var(--space-4);
            border-radius: var(--border-radius-md);
            background-color: var(--color-background);
            padding: var(--space-4);
        }

        td {
            position: relative;
            padding-left: 50% !important;
            border: none;
            white-space: normal;
            text-align: left;
        }

        td:before {
            content: attr(data-label) ': ';
            position: absolute;
            left: var(--space-4);
            width: 45%;
            font-weight: var(--font-weight-semibold);
            color: var(--color-primary);
        }
    }
}

/* ================================
   FOOTER
   ================================ */

/* Call to Action Footer Section */
.footer-cta {
    background-color: var(--color-primary);
    color: white;
    padding: var(--space-20) 0;
    text-align: center;
    margin-top: auto;
}

.footer-cta h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    color: white;
    line-height: var(--line-height-tight);
}

.footer-cta p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.footer-cta .btn {
    background-color: white;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-5) var(--space-10);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.2s ease;
}

.footer-cta .btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    color: var(--color-primary);
}

/* Footer Links Section */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--space-12) 0;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
    text-decoration: none;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.footer-social a {
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.2s ease, transform 0.2s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    border-radius: var(--border-radius-md);
}

.footer-social a:hover {
    color: white;
    transform: translateY(-2px);
}

.footer-social svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-6) 0 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-sm);
}

/* ================================
   UTILITY CLASSES
   ================================ */

/* Text Alignment */
.text-left {
    text-align: left;
}
.text-center {
    text-align: center;
}
.text-right {
    text-align: right;
}

/* Text Colors */
.text-primary {
    color: var(--color-primary);
}
.text-secondary {
    color: var(--color-text-secondary);
}
.text-tertiary {
    color: var(--color-text-tertiary);
}

/* Background Colors */
.bg-primary {
    background-color: var(--color-primary);
}
.bg-secondary {
    background-color: var(--color-background-secondary);
}

/* Spacing */
.mt-0 {
    margin-top: 0;
}
.mt-2 {
    margin-top: var(--space-2);
}
.mt-4 {
    margin-top: var(--space-4);
}
.mt-6 {
    margin-top: var(--space-6);
}
.mt-8 {
    margin-top: var(--space-8);
}
.mt-12 {
    margin-top: var(--space-12);
}
.mt-16 {
    margin-top: var(--space-16);
}

.mb-0 {
    margin-bottom: 0;
}
.mb-2 {
    margin-bottom: var(--space-2);
}
.mb-4 {
    margin-bottom: var(--space-4);
}
.mb-6 {
    margin-bottom: var(--space-6);
}
.mb-8 {
    margin-bottom: var(--space-8);
}
.mb-12 {
    margin-bottom: var(--space-12);
}
.mb-16 {
    margin-bottom: var(--space-16);
}

/* Visibility */
.hidden {
    display: none;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

/* Mobile First Approach - Base styles are mobile */

/* Small devices (landscape phones, 640px and up) */
@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }

    .grid-cols-sm-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-cols-sm-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }

    .mobile-menu-button {
        display: none;
    }

    .nav {
        display: flex;
    }

    .desktop-cta {
        display: inline-flex;
    }

    .mobile-menu-overlay {
        display: none !important;
    }

    .grid-cols-md-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-cols-md-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Featured post horizontal layout on tablet and up */
    .featured-post {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
        align-items: center;
        min-height: 400px;
    }

    .featured-post-image {
        order: 1;
    }

    .featured-post-image img {
        height: 350px;
    }

    .featured-post-content {
        padding: var(--space-10);
        order: 0;
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .post-meta {
        flex-direction: row;
    }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
    .grid-cols-lg-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid-cols-lg-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .section {
        padding: var(--space-20) 0;
    }

    .section-lg {
        padding: var(--space-24) 0 var(--space-20);
    }
}

/* Extra large devices (large desktops, 1280px and up) */
@media (min-width: 1280px) {
    .container {
        padding: 0 var(--space-12);
    }

    .blog-title {
        font-size: var(--font-size-6xl);
    }

    .post-title {
        font-size: var(--font-size-6xl);
    }
}

/* Mobile-specific adjustments */
@media (max-width: 767px) {
    .header-container {
        justify-content: space-between;
        gap: var(--space-4);
    }

    .logo img {
        height: 40px;
    }

    .nav {
        display: none;
    }

    .desktop-cta {
        display: none;
    }

    .mobile-menu-button {
        display: block;
    }

    h1 {
        font-size: var(--font-size-3xl);
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

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

    .blog-header {
        padding: var(--space-16) 0 var(--space-8);
    }

    .category-filters {
        padding: var(--space-6) 0;
    }

    .filter-pills {
        gap: var(--space-2);
    }

    .filter-pill {
        padding: var(--space-2) var(--space-4);
        font-size: var(--font-size-xs);
    }

    .featured-section {
        padding: var(--space-12) 0;
    }

    .featured-post {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .featured-post-image {
        order: -1;
    }

    .featured-post-image img {
        height: 250px;
    }

    .featured-post-content {
        padding: var(--space-6);
    }

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

    .featured-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

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

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

    .blog-posts {
        padding: var(--space-16) 0;
    }

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

    .post-card-content {
        padding: var(--space-6);
    }

    .blog-categories {
        flex-direction: column;
        align-items: center;
    }

    .post-meta {
        flex-direction: column;
        gap: var(--space-2);
    }

    .btn {
        padding: var(--space-4) var(--space-6);
    }

    .btn-lg {
        padding: var(--space-4) var(--space-8);
    }

    .footer-cta h2 {
        font-size: var(--font-size-3xl);
    }

    .footer-cta p {
        font-size: var(--font-size-lg);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-6);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ================================
   ACCESSIBILITY IMPROVEMENTS
   ================================ */

/* Focus states */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-border-light: #666666;
    }

    .card {
        border: 2px solid var(--color-border);
    }
}

/* ================================
   PRINT STYLES
   ================================ */

@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    .header,
    .footer,
    .btn,
    .nav {
        display: none;
    }

    a {
        text-decoration: underline;
    }

    a[href]:after {
        content: ' (' attr(href) ')';
    }

    h1,
    h2,
    h3 {
        page-break-after: avoid;
    }
}

/* ================================
   CATEGORY FILTER ANIMATIONS
   ================================ */

/* Ensure smooth transitions for filtered posts */
.featured-post,
.post-card {
    transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.3s ease;
}

/* Hide posts smoothly when filtered */
.featured-post.filtering-out,
.post-card.filtering-out {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

/* Show posts smoothly when filtered in */
.featured-post.filtering-in,
.post-card.filtering-in {
    opacity: 1;
    transform: translateY(0);
}

/* Completely hide posts that don't match filter - IMPORTANT: Use display: none only after animation */
.post-hidden {
    display: none !important;
}

/* Ensure featured post maintains its grid layout even when filtering */
.featured-post:not(.post-hidden) {
    display: grid; /* Maintain grid layout */
}

/* Ensure regular post cards maintain their flex layout */
.post-card:not(.post-hidden) {
    display: flex; /* Maintain flex layout for card structure */
}

/* Focus styles for filter pills */
.filter-pill:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-lg);
}

/* Enhanced hover state for filter pills */
.filter-pill:hover:not(.active) {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* Active filter pill enhanced styles */
.filter-pill.active {
    box-shadow: 0 4px 12px rgb(56 115 193 / 0.3);
}

/* Reduce animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .featured-post,
    .post-card,
    .filter-pill {
        transition: none !important;
        transform: none !important;
    }

    .featured-post.filtering-out,
    .post-card.filtering-out {
        transform: none;
    }

    .featured-post.filtering-in,
    .post-card.filtering-in {
        transform: none;
    }
}

/* ================================
   RELATED POSTS SECTION
   ================================ */

.related-post-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius-2xl);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-light);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.related-post-card:hover {
    box-shadow: var(--shadow-featured);
    transform: translateY(-6px);
    border-color: var(--color-primary);
}

.related-post-image {
    display: block;
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
    text-decoration: none;
}

.related-post-image:hover {
    text-decoration: none;
}

.related-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-post-card:hover .related-post-image img {
    transform: scale(1.08);
}

.related-post-content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-post-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
    line-height: var(--line-height-tight);
    flex-shrink: 0;
}

.related-post-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.related-post-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
    flex: 1;
    font-size: var(--font-size-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

.related-post-meta {
    display: flex;
    align-items: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-light);
}

.related-post-date {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.related-post-meta svg {
    width: 12px;
    height: 12px;
    opacity: 0.7;
}

.related-post-tags {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
    margin-top: auto;
}

.related-post-tags .post-tag {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-2);
}

/* Responsive adjustments for related posts */
@media (max-width: 768px) {
    #related-posts-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-4) !important;
    }

    .related-post-content {
        padding: var(--space-4);
    }

    .related-post-image {
        height: 160px;
    }
}

/* Reduce animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .related-post-card {
        transition: none !important;
        transform: none !important;
    }

    .related-post-card:hover {
        transform: none;
    }

    .related-post-image img {
        transition: none !important;
    }

    .related-post-card:hover .related-post-image img {
        transform: none;
    }
}