/* 
  GOVERNMENT SCHEMES AWARENESS PORTAL
  Main CSS - Design System & Global Styles
  Principles: Accessibility, Clarity, Neutrality
*/

:root {
    /* Color Palette - Modern Institutional */
    --color-primary: #1e3a8a;
    /* Indigo 900 - Authoritative */
    --color-primary-light: #2563eb;
    /* Blue 600 */
    --color-secondary: #0369a1;
    /* Sky 700 - Trust */
    --color-secondary-light: #0ea5e9;
    /* Sky 500 */
    --color-accent: #d97706;
    /* Amber 600 - Action */
    --color-accent-light: #f59e0b;
    /* Amber 500 */

    /* Backgrounds & Interaction */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f0f9ff;
    /* Very Light Blue */
    --color-text-main: #1e293b;
    /* Slate 800 */
    --color-text-muted: #64748b;
    /* Slate 500 */
    --color-border: #e2e8f0;
    --color-shadow: rgba(30, 58, 138, 0.08);
    /* Indigo-tinted shadow */

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --line-height-base: 1.625;
    --line-height-tight: 1.25;

    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --max-width: 1200px;
    /* Slightly wider */
    --border-radius: 12px;
    /* Smoother corners */
}

/* Global Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-primary);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.011em;
}

/* Typography Scale */
h1,
h2,
h3,
h4 {
    color: var(--color-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 3.75rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1.5rem;
}

/* Interactive Elements */
a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: var(--color-secondary-light);
}

/* Accessibility Focus */
:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

/* Global Layout Containers */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

/* Buttons & Interactive Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-size: 0.9375rem;
    box-shadow: 0 1px 2px var(--color-shadow);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 6px -1px var(--color-shadow), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px var(--color-shadow);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--color-secondary-light);
    transform: translateY(-1px);
}

.btn-outline {
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    background: white;
}

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

/* Header & Navigation */
.main-header {
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.75rem 0;
}

/* Page Components */
.bg-alt {
    background-color: var(--color-bg-secondary);
}

.bg-premium {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.card {
    background: white;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px 0 var(--color-shadow), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -5px var(--color-shadow), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--color-secondary-light);
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.category-item {
    background: white;
    padding: var(--spacing-md);
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px var(--color-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.category-item .icon {
    font-size: 2.5rem;
    transition: transform 0.3s ease;
}

.category-item h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-primary);
}

.category-item:hover {
    border-color: var(--color-secondary);
    background-color: var(--color-bg-tertiary);
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px var(--color-shadow);
}

.category-item:hover .icon {
    transform: scale(1.2);
}

/* Target Grid */
.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.target-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px var(--color-shadow);
}

.target-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px var(--color-shadow);
    filter: brightness(1.1);
}

.target-card strong {
    display: block;
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

/* Schemes Mini Cards */
.schemes-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.scheme-card-mini {
    background: white;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    position: relative;
    padding-top: var(--spacing-lg);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px var(--color-shadow);
}

.scheme-card-mini:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
    box-shadow: 4px 4px 20px var(--color-shadow);
}

.scheme-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    text-transform: uppercase;
}

.link-more {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-secondary);
}

.link-more:hover {
    color: var(--color-secondary-light);
    text-decoration: underline;
}

/* Disclaimer Center Box */
.disclaimer-center-box {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.impact-item h2 {
    font-size: 3.5rem;
    margin-bottom: 0;
    background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.impact-item p {
    font-weight: 600;
    color: var(--color-text-muted);
}

.alert-notice {
    background-color: #fefce8;
    border: 1px solid #fef08a;
    padding: var(--spacing-md);
    border-radius: 8px;
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    margin: var(--spacing-md) 0;
}

.alert-notice .icon {
    font-size: 1.5rem;
}

/* Hub Page Content */
.filter-controls {
    margin-bottom: var(--spacing-md);
}

.search-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-family: var(--font-main);
}

.search-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.schemes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.scheme-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
}

.card-header {
    margin-bottom: var(--spacing-sm);
}

.category-tag {
    display: inline-block;
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.quick-eligibility {
    list-style: none;
    background: var(--color-bg-secondary);
    padding: var(--spacing-sm);
    border-radius: 4px;
    margin: var(--spacing-sm) 0 var(--spacing-md);
    font-size: 0.9rem;
}

.quick-eligibility li {
    margin-bottom: 0.25rem;
}

.card-footer {
    margin-top: auto;
    display: flex;
    gap: var(--spacing-sm);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Readable Content Wrapper */
.content-readable {
    max-width: 800px;
    margin: 0 auto;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

/* State Selection List */
.state-grid-select {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.state-group h3 {
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.state-group ul {
    list-style: none;
}

.state-group li {
    margin-bottom: 0.75rem;
}

.state-group a {
    font-size: 1.1rem;
    color: var(--color-text-main);
    display: block;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.state-group a:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-primary);
    transform: translateX(8px);
}

/* Category Detailed Blocks */
.category-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-lg);
}

.category-block {
    background: white;
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-top: 5px solid var(--color-primary);
    box-shadow: 0 10px 15px -3px var(--color-shadow);
    transition: transform 0.3s ease;
}

.category-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px var(--color-shadow);
}

.block-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.block-header .icon {
    font-size: 2rem;
}

.block-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.scheme-mini-list {
    list-style: none;
    margin: var(--spacing-md) 0;
    padding-left: 0;
}

.scheme-mini-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-bg-secondary);
}

.scheme-mini-list a {
    font-weight: 600;
    color: var(--color-text-main);
}

.scheme-mini-list a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Response for small screens */
@media (max-width: 600px) {
    .category-grid-large {
        grid-template-columns: 1fr;
    }
}

/* Wizard Styles */
.wizard-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.wizard-step {
    margin-bottom: var(--spacing-lg);
}

.form-input {
    width: 100%;
    padding: 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.privacy-note {
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
}

/* Detail Page Layout */
.detail-header {
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.meta-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: var(--color-bg-tertiary);
    padding: 0.35rem 1rem;
    border-radius: 99px;
    font-size: 0.85rem;
    border: 1px solid var(--color-secondary-light);
    color: var(--color-secondary);
    font-weight: 500;
}

.detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.detail-section {
    margin-bottom: var(--spacing-lg);
}

.eligibility-box {
    background: var(--color-bg-tertiary);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.eligibility-box ul,
.checklist {
    list-style: none;
}

.checklist li::before {
    content: "✓ ";
    color: var(--color-secondary);
    font-weight: bold;
}

.checklist li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-bg-secondary);
}

/* Sidebar */
.action-card {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    position: sticky;
    top: 100px;
}

.action-card h3 {
    color: white;
}

.btn-full {
    width: 100%;
    margin: 1rem 0;
}

.source-hint {
    font-size: 0.8rem;
    opacity: 0.8;
    text-align: center;
}

.verification-badge {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: right;
}

.disclaimer-note {
    margin-top: var(--spacing-md);
    padding: 1rem;
    background: #fff3e0;
    border-radius: 4px;
}

@media (max-width: 800px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .action-card {
        position: static;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Header & Navigation */
.main-header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: "🏛️";
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.nav-links a.active {
    font-weight: 600;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* In a real project, we'd add a mobile menu here */
    }
}

/* Hero Section */
.hero-section {
    background: radial-gradient(circle at top right, #eff6ff 0%, #ffffff 100%);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -10%;
    width: 40%;
    height: 100%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.hero-subtext {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.5;
}

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

/* Disclaimer Banner */
.disclaimer-banner {
    background-color: #fffbeb;
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    font-size: 0.875rem;
    color: #92400e;
    border-radius: 4px;
}

/* Footer Styles */
.main-footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.main-footer h3,
.main-footer h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-links ul,
.footer-external ul {
    list-style: none;
}

.footer-links a,
.footer-external a {
    color: #cbd5e1;
    /* Slate 300 */
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s;
    line-height: 2.5;
    display: inline-block;
}

.footer-links a:hover,
.footer-external a:hover {
    color: var(--color-accent-light);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    font-size: 0.75rem;
    color: #94a3b8;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}