:root {
    --sardinia-sand: #f5f1e8;
    --sardinia-sea: #0d7377;
    --sardinia-sky: #14a085;
    --sardinia-emerald: #52b788;
    --sardinia-sunset: #f77f00;
    --sardinia-fire: #d62828;
    --sardinia-sage: #90a955;
    --sardinia-stone: #6c757d;
    --sardinia-midnight: #1e293b;
    --sardinia-wine: #7c2d12;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--sardinia-sand) 0%, var(--gray-50) 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Language Dropdown */
.language-dropdown {
    position: relative;
    display: inline-block;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--sardinia-sea);
    box-shadow: 0 2px 8px rgba(13, 115, 119, 0.1);
}

.lang-flag {
    font-size: 16px;
}

.lang-code {
    font-weight: 600;
    min-width: 24px;
}

.lang-arrow {
    font-size: 12px;
    transition: transform 0.2s ease;
}

.language-dropdown.open .lang-arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    min-width: 200px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.language-dropdown.open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--gray-100);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--gray-50);
}

.lang-option.active {
    background: rgba(13, 115, 119, 0.1);
    color: var(--sardinia-sea);
}

.lang-name {
    font-size: 14px;
    font-weight: 500;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .lang-menu {
        right: -20px;
        min-width: 180px;
    }
    
    .lang-toggle {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .lang-option {
        padding: 10px 14px;
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--sardinia-sea);
    text-decoration: none;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.language-selector {
    display: flex;
    gap: 8px;
    align-items: center;
}

.lang-btn {
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    background: white;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--sardinia-sea);
    color: white;
    border-color: var(--sardinia-sea);
}

/* Hero Section */
.hero {
    padding: 4rem 0 6rem;
    text-align: center;
    background: linear-gradient(135deg, var(--sardinia-sea) 0%, var(--sardinia-sky) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="waves" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M0,50 Q25,25 50,50 T100,50 L100,100 L0,100 Z" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23waves)"/></svg>');
    opacity: 0.3;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-button.primary {
    background: white;
    color: var(--sardinia-sea);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-button:hover {
    transform: translateY(-2px);
}

.cta-button.primary:hover {
    background: var(--gray-50);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-chips {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.chip {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sardinia-midnight);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--sardinia-sea);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--sardinia-sea), var(--sardinia-sky));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sardinia-midnight);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sardinia-midnight);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-image {
    background: linear-gradient(135deg, var(--sardinia-sea), var(--sardinia-sky));
    border-radius: 20px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="70" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
}

/* Footer */
.footer {
    background: var(--sardinia-midnight);
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--sardinia-sky);
}

.footer-section p,
.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--sardinia-sky);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-400);
}

/* New Sections */
.problem, .what, .benefits, .data, .stats, .roadmap, .pa, .smes, .about, .investors, .contact {
    padding: 4rem 0;
}

.problem {
    background: var(--gray-50);
}

.what, .benefits {
    background: white;
}

.data, .stats {
    background: var(--gray-50);
}

.roadmap, .pa, .smes, .about, .investors {
    background: white;
}

.contact {
    background: var(--sardinia-sea);
    color: white;
}

.bullet-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
}

.bullet-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
    padding-left: 2rem;
}

.bullet-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sardinia-sea);
    font-weight: bold;
}

.bullet-list li:last-child {
    border-bottom: none;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--sardinia-sea);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.features-grid, .data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item, .data-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    font-weight: 500;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--sardinia-sea);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 500;
}

.roadmap-list {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
    padding-left: 2rem;
}

.roadmap-list li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--sardinia-sea);
    font-weight: bold;
}

.roadmap-list li:last-child {
    border-bottom: none;
}

.contact-form {
    max-width: 600px;
    margin: 2rem auto 0;
    display: grid;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.contact-form button {
    padding: 1rem 2rem;
    background: white;
    color: var(--sardinia-sea);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.footer-legal {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-image {
        height: 300px;
    }
    
    .features-grid, .data-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}