/*
 * TÜRKONFED Design System
 * Premium Corporate Identity
 * Modern, Clean, Sophisticated
 */

/* ============================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */

:root {
    /* Primary Colors */
    --color-primary: #151b26;
    --color-primary-light: #1e2635;
    --color-primary-dark: #0d1119;

    /* Accent Colors */
    --color-accent: #ed1b2f;
    --color-accent-light: #ff3d4f;
    --color-accent-dark: #c91525;
    --color-accent-glow: rgba(237, 27, 47, 0.15);

    /* Secondary Accent */
    --color-secondary: #2d7dd2;
    --color-secondary-light: #4a94e0;
    --color-secondary-dark: #1d5fa8;

    /* Background Colors */
    --color-bg-light: #f8f9fb;
    --color-bg-white: #ffffff;
    --color-bg-cream: #fafafa;
    --color-bg-dark: #151b26;

    /* Text Colors */
    --color-text-primary: #1a1f2e;
    --color-text-secondary: #5a6478;
    --color-text-muted: #8a94a6;
    --color-text-light: #ffffff;
    --color-text-on-accent: #ffffff;

    /* Border Colors */
    --color-border: #e2e5eb;
    --color-border-light: #f0f2f5;
    --color-border-dark: #c8cdd6;

    /* State Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-error: #ef4444;
    --color-error-light: #fee2e2;

    /* Typography Scale */
    --font-family-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
    --text-sm: clamp(0.8125rem, 0.775rem + 0.2vw, 0.875rem);
    --text-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
    --text-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
    --text-xl: clamp(1.1875rem, 1.1rem + 0.4vw, 1.25rem);
    --text-2xl: clamp(1.375rem, 1.25rem + 0.6vw, 1.5rem);
    --text-3xl: clamp(1.625rem, 1.4rem + 1vw, 1.875rem);
    --text-4xl: clamp(2rem, 1.7rem + 1.5vw, 2.5rem);
    --text-5xl: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
    --text-6xl: clamp(3rem, 2.5rem + 3vw, 4.5rem);

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 1.8;

    /* Letter Spacing */
    --tracking-tighter: -0.03em;
    --tracking-tight: -0.015em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;

    /* Spacing Scale */
    --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;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-accent: 0 4px 14px rgba(237, 27, 47, 0.25);
    --shadow-primary: 0 4px 14px rgba(21, 27, 38, 0.2);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out-expo: cubic-bezier(0.87, 0, 0.13, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-loader: 9999;

    /* Header Height (utility + logo row + nav) */
    --header-height: 232px;
    --header-height-scrolled: 126px;
}

/* Below desktop breakpoint: bottom nav row hidden, so header is shorter */
@media (max-width: 1280px) {
    :root {
        --header-height: 188px;
        --header-height-scrolled: 82px;
    }
}

/* Mobile Header Height Override */
@media (max-width: 992px) {
    :root {
        --header-height: 142px;
        --header-height-scrolled: 80px;
    }
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --color-bg-light: #1a2030;
    --color-bg-white: #151b26;
    --color-bg-cream: #1e2635;
    --color-text-primary: #f0f2f5;
    --color-text-secondary: #a0a8b8;
    --color-text-muted: #6b7280;
    --color-border: #2d3748;
    --color-border-light: #374151;
}

/* ============================================
   2. BASE STYLES & RESET
   ============================================ */

*,
*::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;
    text-rendering: optimizeLegibility;
    overflow-y: scroll; /* Always show scrollbar to prevent layout shift */
    scrollbar-gutter: stable; /* Modern browsers - reserve space for scrollbar */
}

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

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

body {
    font-family: var(--font-family-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-white);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* Selection */
::selection {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================
   3. LAYOUT UTILITIES
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-2xl);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

@media (min-width: 768px) {
    .container {
        padding-inline: var(--space-8);
    }
}

@media (min-width: 1280px) {
    .container {
        padding-inline: var(--space-12);
    }
}

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

@media (min-width: 768px) {
    .section {
        padding-block: var(--space-20);
    }
}

@media (min-width: 1024px) {
    .section {
        padding-block: var(--space-24);
    }
}

/* 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)); }

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Flex 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-end { justify-content: flex-end; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ============================================
   4. COMPONENT STYLES
   ============================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-on-accent);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    color: var(--color-text-light);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

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

.btn-secondary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-text-on-accent);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--color-bg-light);
}

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

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-lg);
}

/* Cards */
.card {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
    border: 1px solid var(--color-border-light);
}

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

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

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

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

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

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.card-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent-glow);
    color: var(--color-accent);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-size: var(--text-xs);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
    line-height: var(--leading-snug);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-title a {
    color: inherit;
}

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

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

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

/* Featured Card */
.card-featured {
    position: relative;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.card-featured .card-image {
    position: absolute;
    inset: 0;
    aspect-ratio: auto;
}

.card-featured .card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(21, 27, 38, 0.95) 0%,
        rgba(21, 27, 38, 0.6) 40%,
        rgba(21, 27, 38, 0.2) 70%,
        transparent 100%
    );
}

.card-featured .card-content {
    position: relative;
    z-index: 1;
    padding: var(--space-8);
}

.card-featured .card-category {
    background: var(--color-accent);
    color: var(--color-text-light);
}

.card-featured .card-title {
    font-size: var(--text-3xl);
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
    -webkit-line-clamp: 3;
}

.card-featured .card-excerpt {
    color: rgba(255, 255, 255, 0.8);
    -webkit-line-clamp: 4;
    font-size: var(--text-base);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.badge-accent {
    background: var(--color-accent-glow);
    color: var(--color-accent);
}

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

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

/* Section Headers */
.section-header {
    margin-bottom: var(--space-12);
}

.section-header.center {
    text-align: center;
    max-width: 700px;
    margin-inline: auto;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    color: var(--color-accent);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.section-label::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-4);
    letter-spacing: var(--tracking-tighter);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.section-header.center .section-description {
    margin-inline: auto;
}

/* View All Link */
.view-all {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-accent);
    font-weight: var(--font-semibold);
    transition: gap var(--transition-fast);
}

.view-all:hover {
    gap: var(--space-3);
}

.view-all svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.view-all:hover svg {
    transform: translateX(4px);
}

/* ============================================
   5. ANIMATION UTILITIES
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fadeIn { animation: fadeIn var(--transition-slow) var(--ease-out-expo) forwards; }
.animate-fadeInUp { animation: fadeInUp var(--transition-slow) var(--ease-out-expo) forwards; }
.animate-fadeInDown { animation: fadeInDown var(--transition-slow) var(--ease-out-expo) forwards; }
.animate-slideInLeft { animation: slideInLeft var(--transition-slow) var(--ease-out-expo) forwards; }
.animate-slideInRight { animation: slideInRight var(--transition-slow) var(--ease-out-expo) forwards; }
.animate-scaleIn { animation: scaleIn var(--transition-slow) var(--ease-out-expo) forwards; }

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-border-light) 25%,
        var(--color-bg-light) 50%,
        var(--color-border-light) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 1.5em;
    width: 70%;
    margin-bottom: var(--space-3);
}

.skeleton-image {
    aspect-ratio: 16 / 10;
}

/* ============================================
   6. UTILITY CLASSES
   ============================================ */

/* Text */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-text-light); }

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

.uppercase { text-transform: uppercase; }
.capitalize { text-transform: capitalize; }

/* Background */
.bg-white { background-color: var(--color-bg-white); }
.bg-light { background-color: var(--color-bg-light); }
.bg-dark { background-color: var(--color-primary); }
.bg-accent { background-color: var(--color-accent); }

/* Spacing */
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.my-4 { margin-block: var(--space-4); }
.my-8 { margin-block: var(--space-8); }

.pt-4 { padding-top: var(--space-4); }
.pt-8 { padding-top: var(--space-8); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-8 { padding-bottom: var(--space-8); }
.py-4 { padding-block: var(--space-4); }
.py-8 { padding-block: var(--space-8); }
.px-4 { padding-inline: var(--space-4); }
.px-6 { padding-inline: var(--space-6); }

/* Border */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Width/Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Visibility */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hide-desktop { display: none !important; }
}

/* Screen Reader Only */
.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;
}