/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #0ea5e9;
    --color-accent: #8b5cf6;

    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --color-gray-950: #020617;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*, *::before, *::after {
    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-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.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;
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link--social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    transition: all var(--transition-fast);
}

.nav-link--social::after {
    display: none;
}

.nav-link--social:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.03;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, var(--color-gray-200) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.5;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xl);
}

.hero-title-line {
    display: block;
}

.hero-title-line--accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    max-width: 500px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-200);
}

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

.btn-full {
    width: 100%;
}

/* Hero Image */
.hero-image-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-image-container {
    position: relative;
    width: 320px;
    height: 320px;
}

.hero-image-glow {
    position: absolute;
    inset: -20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    filter: blur(40px);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

.hero-image {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-xl);
}

.hero-image-ring {
    position: absolute;
    inset: -8px;
    border: 2px dashed var(--color-primary-light);
    border-radius: var(--radius-full);
    animation: spin 30s linear infinite;
    opacity: 0.5;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
}

.stat {
    text-align: center;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-400);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.hero-scroll-indicator:hover {
    color: var(--color-primary);
}

.hero-scroll-indicator:hover .scroll-arrow {
    border-color: var(--color-primary);
}

.hero-scroll-indicator:hover .scroll-arrow::before {
    background: var(--color-primary);
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: scrollBounce 2s ease-in-out infinite;
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-md);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.service-card--featured {
    background: var(--gradient-hero);
    color: var(--color-white);
}

.service-card--featured .service-title,
.service-card--featured .service-description,
.service-card--featured .service-features li {
    color: var(--color-white);
}

.service-card--featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.service-card--featured .service-features li::before {
    background: var(--color-white);
}

.service-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-md);
}

.service-description {
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* ===================================
   Quote Section
   =================================== */
.quote-section {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.featured-quote {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.quote-mark {
    display: block;
    margin: 0 auto var(--space-xl);
    color: var(--color-primary-light);
    opacity: 0.5;
}

.featured-quote p {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--color-gray-800);
    line-height: 1.6;
    font-style: italic;
}

.quote-author {
    margin-top: var(--space-xl);
}

.quote-author cite {
    font-size: 1rem;
    font-style: normal;
    color: var(--color-gray-500);
    font-weight: 500;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-4xl);
    align-items: center;
}

.contact-info {
    max-width: 500px;
}

.contact-info .section-title {
    text-align: left;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
    color: var(--color-gray-700);
}

.contact-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.contact-link svg {
    flex-shrink: 0;
}

.contact-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.contact-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.contact-avatar {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-white);
}

.contact-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.contact-card p {
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--space-2xl) 0;
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

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

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

.footer-brand .logo-text {
    font-size: 1.25rem;
}

.footer-brand p {
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.05);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.5;
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-content {
        order: 2;
    }

    .hero-image-wrapper {
        order: 1;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-info {
        max-width: 100%;
    }

    .contact-info .section-title {
        text-align: center;
    }

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

    .contact-link:hover {
        transform: translateY(-4px);
    }

    .contact-card {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-links {
        gap: var(--space-md);
    }

    .nav-link:not(.nav-link--social) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
    }

    .hero-image-container {
        width: 240px;
        height: 240px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .services {
        padding: var(--space-3xl) 0;
    }

    .service-card {
        padding: var(--space-xl);
    }

    .quote-section {
        padding: var(--space-3xl) 0;
    }

    .featured-quote {
        padding: var(--space-xl) 0;
    }

    .contact {
        padding: var(--space-3xl) 0;
    }

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

    .footer-brand {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .hero-image-container {
        width: 200px;
        height: 200px;
    }

    .stat {
        padding: var(--space-sm) var(--space-md);
    }

    .stat-number {
        font-size: 1.5rem;
    }
}

/* ===================================
   Reduced Motion
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}