/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    /* Color Palette - Clean & Professional */
    --color-primary: #1a73e8;
    --color-primary-dark: #1557b0;
    --color-secondary: #34a853;
    --color-accent: #fbbc04;
    --color-accent-alt: #ea4335;
    
    /* Neutral Colors */
    --color-bg: #ffffff;
    --color-surface: #f8f9fa;
    --color-text: #202124;
    --color-text-secondary: #5f6368;
    --color-border: #e8eaed;
    --color-shadow: rgba(32, 33, 36, 0.1);
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Work Sans', sans-serif;
    --font-accent: 'Crimson Pro', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    position: relative;
    z-index: 100;
    animation: slideDown 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-smooth);
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 10;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 300;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s backwards;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.8s backwards;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.8);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* Hero Background - Impact Element */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary), transparent);
    top: -10%;
    right: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-secondary), transparent);
    bottom: 10%;
    left: -5%;
    animation-delay: 5s;
}

.orb-3 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--color-accent), transparent);
    top: 40%;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* ===================================
   Services Section
   =================================== */
.services-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-bg);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--color-shadow);
    border-color: var(--color-border);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.service-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--color-primary-dark);
}

.card-title {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.card-link {
    background: none;
    border: none;
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    transition: var(--transition-fast);
}

.card-link:hover {
    color: var(--color-primary-dark);
    gap: 12px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-text);
    color: var(--color-surface);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    color: var(--color-surface);
    font-size: 2.5rem;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-sm);
    font-size: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-surface);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-surface);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-surface);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-container {
        padding: var(--spacing-md);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3rem;
    }
    
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .gradient-orb {
        filter: blur(60px);
    }
    
    .orb-1,
    .orb-2,
    .orb-3 {
        width: 300px;
        height: 300px;
    }
}

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

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

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: white;
}

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