/* 
 * HAKU Software Design System
 * Inspired by "Architectural Clarity" & "High-End Editorial"
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@300;500;700;800&display=swap');

:root {
    /* Color Palette */
    --color-primary: #00488d;
    --color-primary-container: #005fb8;
    --color-secondary: #4a5f83;
    --color-surface: #f8f9fa;
    --color-surface-container: #edeeef;
    --color-surface-container-low: #f3f4f5;
    --color-surface-container-lowest: #ffffff;
    --color-on-surface: #191c1d;
    --color-on-surface-variant: #424752;
    --color-outline-variant: rgba(194, 198, 212, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-container) 100%);
    
    /* Typography */
    --font-headline: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Borders & Roundness */
    --radius-md: 0.375rem;
    --radius-lg: 1rem;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-headline);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Layout Components */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--color-outline-variant);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-headline);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-on-surface-variant);
}

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

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

/* Hero Section */
.hero {
    padding-top: 160px;
    padding-bottom: var(--spacing-xl);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-on-surface);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-on-surface-variant);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-image {
    width: 100%;
    height: 500px;
    background: var(--color-surface-container);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    animation: fadeInRight 1.2s ease-out;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 72, 141, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 72, 141, 0.3);
}

.btn-secondary {
    background: var(--color-surface-container-lowest);
    color: var(--color-primary);
    border: 1px solid var(--color-outline-variant);
}

.btn-secondary:hover {
    background: var(--color-surface-container-low);
}

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

.section-alt {
    background-color: var(--color-surface-container-low);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

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

.card {
    background: var(--color-surface-container-lowest);
    padding: 3rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    border: 1px solid var(--color-outline-variant);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(25, 28, 29, 0.06);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--color-on-surface-variant);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-surface-container);
    border-top: 1px solid var(--color-outline-variant);
}

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

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

.footer-link {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 120px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-image {
        height: 350px;
    }
}

/* Contact Page Specific Styles */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-on-surface-variant);
}

.contact-form input, 
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-surface-container-high);
    border: none;
    border-bottom: 2px solid var(--color-outline-variant);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-family: inherit;
    transition: all 0.3s ease;
}

.contact-form input:focus, 
.contact-form textarea:focus {
    outline: none;
    background-color: var(--color-surface-container-lowest);
    border-bottom-color: var(--color-primary);
}

.contact-info {
    padding: 3rem;
    background-color: var(--color-surface-container-low);
    border-radius: var(--radius-lg);
}

.info-item {
    margin-bottom: var(--spacing-md);
}

.info-label {
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}