/* /assets/css/main.css */

/* CSS Custom Properties */
:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #64748b;
    --color-accent: #f59e0b;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;
    
    --color-neutral-50: #f8fafc;
    --color-neutral-100: #f1f5f9;
    --color-neutral-200: #e2e8f0;
    --color-neutral-300: #cbd5e1;
    --color-neutral-400: #94a3b8;
    --color-neutral-500: #64748b;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1e293b;
    --color-neutral-900: #0f172a;
    
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-panel: #1e293b;
    --color-text-primary: #0f172a;
    --color-text-secondary: #64748b;
    --color-text-panel: #f1f5f9;
    
    --font-family-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition-base: 0.2s ease-in-out;
    --transition-slow: 0.3s ease-in-out;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
}

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
    color: var(--color-text-primary);
}

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

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

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

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

p {
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

p:last-child {
    margin-bottom: 0;
}

ul, ol {
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-6);
}

li {
    margin-bottom: var(--spacing-2);
}

li:last-child {
    margin-bottom: 0;
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: var(--spacing-4);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: var(--font-size-sm);
    z-index: 1000;
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: var(--spacing-4);
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Header & Navigation */
header {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-neutral-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 4rem;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-6);
}

.nav-menu a {
    color: var(--color-text-primary);
    font-weight: 500;
    padding: var(--spacing-2) 0;
    position: relative;
}

.nav-menu a[aria-current="page"] {
    color: var(--color-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.nav-toggle span {
    width: 2rem;
    height: 0.25rem;
    background: var(--color-text-primary);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

.nav-toggle[aria-expanded="true"] span:first-child {
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg);
}

/* Sections */
.hero {
    background: var(--color-bg-secondary);
    padding: var(--spacing-20) 0;
    text-align: center;
}

.hero h1 {
    max-width: 800px;
    margin: 0 auto var(--spacing-6);
}

.subhead {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

.hero-description {
    max-width: 700px;
    margin: 0 auto var(--spacing-8);
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.page-header {
    background: var(--color-bg-secondary);
    padding: var(--spacing-16) 0;
    text-align: center;
}

.section-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-4);
}

.effective-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-4);
}

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

.content-panel {
    background: var(--color-bg-panel);
    color: var(--color-text-panel);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.content-panel.reveal {
    opacity: 1;
    transform: translateY(0);
}

.content-panel h3,
.content-panel h4 {
    color: var(--color-text-panel);
}

.content-panel a {
    color: var(--color-accent);
}

.content-panel a:hover {
    color: #fbbf24;
}

.intro {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-8);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.service-card {
    background: var(--color-bg-panel);
    color: var(--color-text-panel);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.service-card.reveal {
    opacity: 1;
    transform: translateY(0);
}

.service-card h3 {
    color: var(--color-text-panel);
    margin-bottom: var(--spacing-4);
}

/* Team */
.team-profile {
    max-width: 800px;
    margin: 0 auto;
}

.profile-card {
    background: var(--color-bg-panel);
    color: var(--color-text-panel);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.profile-card.reveal {
    opacity: 1;
    transform: translateY(0);
}

.profile-card h3 {
    color: var(--color-text-panel);
    margin-bottom: var(--spacing-4);
}

.profile-bio {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    min-height: 44px;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

/* Footer */
footer {
    background: var(--color-bg-panel);
    color: var(--color-text-panel);
    padding: var(--spacing-16) 0;
    margin-top: auto;
}

.footer-content {
    text-align: center;
}

.footer-section h3 {
    color: var(--color-text-panel);
    margin-bottom: var(--spacing-4);
}

address {
    font-style: normal;
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

footer a {
    color: var(--color-accent);
}

footer a:hover {
    color: #fbbf24;
}

/* Responsive Design */
@media (max-width: 1199px) {
    .container {
        max-width: 992px;
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero {
        padding: var(--spacing-16) 0;
    }
    
    .page-header {
        padding: var(--spacing-12) 0;
    }
    
    .content-section {
        padding: var(--spacing-16) 0;
    }
}

@media (max-width: 991px) {
    .container {
        max-width: 768px;
    }
    
    .services-grid {
        gap: var(--spacing-4);
    }
    
    .content-panel,
    .service-card,
    .profile-card {
        padding: var(--spacing-6);
    }
    
    footer {
        padding: var(--spacing-12) 0;
    }
}

@media (max-width: 767px) {
    .container {
        max-width: 576px;
        padding: 0 var(--spacing-3);
    }
    
    .nav-container {
        padding: 0 var(--spacing-3);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 4rem;
        left: 0;
        width: 100%;
        height: calc(100vh - 4rem);
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: start;
        padding: var(--spacing-8) var(--spacing-4);
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-4);
    }
    
    .nav-menu.nav-open {
        transform: translateX(0);
    }
    
    .nav-menu a {
        font-size: var(--font-size-lg);
        padding: var(--spacing-3) 0;
        border-bottom: 1px solid var(--color-neutral-200);
        width: 100%;
    }
    
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    .hero {
        padding: var(--spacing-12) 0;
    }
    
    .page-header {
        padding: var(--spacing-10) 0;
    }
    
    .content-section {
        padding: var(--spacing-12) 0;
    }
    
    .content-panel,
    .service-card,
    .profile-card {
        padding: var(--spacing-4);
        margin-bottom: var(--spacing-6);
    }
}

@media (max-width: 575px) {
    .container {
        max-width: 100%;
    }
    
    h1 {
        font-size: var(--font-size-xl);
    }
    
    .subhead {
        font-size: var(--font-size-lg);
    }
    
    .hero-description,
    .intro {
        font-size: var(--font-size-base);
    }
    
    .profile-bio {
        font-size: var(--font-size-base);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .content-panel,
    .service-card,
    .profile-card {
        transform: none;
        transition: none;
    }
}

/* Focus Management */
:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0000ff;
        --color-primary-hover: #0000cc;
        --color-text-primary: #000000;
        --color-text-secondary: #333333;
        --color-bg-primary: #ffffff;
        --color-bg-secondary: #f0f0f0;
    }
}