/* Modern Brutalist Design System for Artbnb Romania */

/* CSS Reset and Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brutalist Color Palette */
    --primary-color: #000000;
    --primary-light: #1a1a1a;
    --secondary-color: #ffffff;
    --accent-color: #ff6b6b;
    --accent-secondary: #4ecdc4;
    --accent-tertiary: #45b7d1;
    --accent-quaternary: #96ceb4;
    
    /* Romanian Cultural Colors */
    --romania-blue: #002b7f;
    --romania-yellow: #fcd116;
    --romania-red: #ce1126;
    
    /* Neutrals */
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Typography */
    --font-family: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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 */
    --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;
    --spacing-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.4;
    color: var(--black);
    background-color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 500;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-4);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

h1 { 
    font-size: var(--font-size-5xl); 
    transform: skew(-2deg);
    text-shadow: 3px 3px 0px var(--accent-color);
}
h2 { 
    font-size: var(--font-size-4xl);
    transform: skew(-1deg);
}
h3 { 
    font-size: var(--font-size-2xl);
    font-weight: 600;
}
h4 { font-size: var(--font-size-xl); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--gray-700);
    font-weight: 400;
}

.accent {
    color: var(--accent-color);
}

/* Buttons */
.primary-button, .secondary-button, .cta-button {
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.primary-button {
    background: var(--black);
    color: var(--white);
    border: 4px solid var(--white);
    box-shadow: 8px 8px 0px var(--accent-color);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    transform: skew(-2deg);
}

.primary-button:hover {
    background: var(--white);
    color: var(--black);
    transform: skew(-2deg) scale(1.05);
    box-shadow: 12px 12px 0px var(--accent-color);
}

.secondary-button {
    background: var(--white);
    color: var(--black);
    border: 4px solid var(--black);
    text-transform: uppercase;
    font-weight: 700;
    transform: skew(-2deg);
}

.secondary-button:hover {
    background: var(--black);
    color: var(--white);
    transform: skew(-2deg) scale(1.05);
    box-shadow: 8px 8px 0px var(--accent-secondary);
}

.cta-button {
    background: var(--accent-color);
    color: var(--white);
    border: 3px solid var(--black);
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) var(--spacing-4);
    text-transform: uppercase;
    font-weight: 700;
    transform: skew(-1deg);
}

.cta-button:hover {
    background: var(--accent-secondary);
    transform: skew(-1deg) scale(1.1);
    box-shadow: 4px 4px 0px var(--black);
}

.large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    margin: 0;
    color: var(--gray-800);
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--black);
    border-radius: var(--radius-base);
    border: 2px solid var(--white);
}

.lang-btn {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    text-transform: uppercase;
}

.lang-btn.active {
    background: var(--accent-color);
    color: var(--black);
    transform: skew(-5deg);
}

.lang-btn:hover {
    background: var(--accent-secondary);
    color: var(--black);
    transform: skew(-5deg);
}

.lang-separator {
    color: var(--white);
    font-weight: 700;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--spacing-24);
    background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary), var(--accent-tertiary), var(--accent-quaternary));
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-6);
    color: var(--white);
    text-shadow: 3px 3px 0px var(--black);
    text-transform: uppercase;
    letter-spacing: -0.05em;
    transform: skew(-5deg);
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    color: var(--white);
    text-shadow: 1px 1px 0px var(--black);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    justify-content: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.artwork-preview {
    position: relative;
    padding: var(--spacing-8);
}

.artwork-frame {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-6);
    transform: rotate(-3deg);
    transition: var(--transition-base);
}

.artwork-frame:hover {
    transform: rotate(0deg) scale(1.05);
}

.artwork-placeholder {
    width: 200px;
    height: 280px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}

.qr-code-indicator {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: var(--white);
    border-radius: var(--radius-base);
    padding: var(--spacing-2);
    box-shadow: var(--shadow-md);
}

.qr-code {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--gray-800) 25%, transparent 25%), 
                linear-gradient(-45deg, var(--gray-800) 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, var(--gray-800) 75%), 
                linear-gradient(-45deg, transparent 75%, var(--gray-800) 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
    border-radius: var(--radius-sm);
}

/* Section Styles */
section {
    padding: var(--spacing-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-header h2 {
    margin-bottom: var(--spacing-4);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

/* How It Works Section */
.how-it-works {
    background: var(--white);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary), var(--accent-tertiary));
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-12);
}

.step {
    text-align: center;
    padding: var(--spacing-8);
    background: var(--black);
    color: var(--white);
    transition: var(--transition-base);
    transform: skew(-2deg);
    border: 4px solid var(--white);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    transition: left 0.5s ease;
}

.step:hover::before {
    left: 100%;
}

.step:hover {
    transform: skew(-2deg) scale(1.05);
    box-shadow: 12px 12px 0px var(--accent-color);
}

.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--white);
    color: var(--black);
    margin-bottom: var(--spacing-6);
    border: 4px solid var(--accent-color);
    transform: rotate(45deg);
    position: relative;
    z-index: 2;
}

.step-icon svg {
    transform: rotate(-45deg);
}

.step h3 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
    font-weight: 700;
    text-transform: uppercase;
    position: relative;
    z-index: 2;
}

.step p {
    color: var(--gray-200);
    position: relative;
    z-index: 2;
}

/* Artists and Hosts Sections */
.artists-section {
    background: var(--black);
    color: var(--white);
    position: relative;
}

.artists-section::before {
    content: 'CREATORI ROMÂNI';
    position: absolute;
    top: 50%;
    left: -200px;
    transform: rotate(-90deg) translateY(-50%);
    font-size: 8rem;
    font-weight: 800;
    opacity: 0.05;
    pointer-events: none;
    z-index: 1;
}

.artists-section .section-content {
    position: relative;
    z-index: 2;
}

.hosts-section {
    background: var(--white);
}

.section-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.section-split.reverse {
    direction: rtl;
}

.section-split.reverse > * {
    direction: ltr;
}

.section-content h2 {
    margin-bottom: var(--spacing-6);
}

.section-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
}

.benefits-list {
    margin-bottom: var(--spacing-8);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.benefit svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Visual Elements */
.artist-showcase, .host-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-8);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
    transform: rotate(-5deg);
}

.art-piece {
    width: 120px;
    height: 160px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.art-piece:nth-child(even) {
    transform: translateY(20px);
}

.art-piece:hover {
    transform: translateY(20px) scale(1.05);
}

.airbnb-mockup {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-xl);
    max-width: 300px;
}

.room-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.artwork-wall {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.wall-art {
    width: 80px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-base);
}

.furniture {
    height: 60px;
    background: var(--gray-300);
    border-radius: var(--radius-lg);
}

/* Impact Section */
.impact-section {
    background: var(--gray-50);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.impact-card {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-base);
    transition: var(--transition-base);
}

.impact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.impact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: var(--white);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-6);
}

.impact-card h3 {
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--romania-red), var(--romania-blue));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '🇷🇴';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 6rem;
    opacity: 0.1;
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
}

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

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-8);
}

.footer-brand h3 {
    margin-bottom: var(--spacing-4);
}

.footer-brand p {
    color: var(--gray-400);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.footer-column h4 {
    margin-bottom: var(--spacing-4);
    color: var(--white);
}

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: var(--spacing-2);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-700);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-6);
}

.footer-legal a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-500);
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: var(--gray-800);
}

.camera-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    background: var(--gray-50);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    color: var(--gray-500);
}

.scanner-help {
    text-align: center;
    color: var(--gray-600);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-split {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}