:root {
    --primary-green: #50e3c2;
    --dark-green: #40b3a2;
    --black: #111827;
    --dark-gray: #1f2937;
    --medium-gray: #374151;
    --light-gray: #6b7280;
    --text-gray: #d1d5db;
    --white: #ffffff;
    --accent-cyan: #50e3c2;
}

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

body {
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--black);
    color: var(--text-gray);
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 300;
    padding-top: 80px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Language switcher top */
.language-switcher-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--medium-gray);
    z-index: 1000;
    padding: 1rem 0;
}

.lang-selector {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-gray);
    transition: all 0.3s ease;
    opacity: 0.7;
    border: 1px solid transparent;
}

.lang-option:hover {
    opacity: 1;
    color: var(--primary-green);
    background: rgba(80, 227, 194, 0.1);
    border-color: var(--primary-green);
    transform: translateY(-1px);
}

.lang-option.active {
    opacity: 1;
    color: var(--primary-green);
    background: rgba(80, 227, 194, 0.15);
    border-color: var(--primary-green);
}

.flag {
    font-size: 1.2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.lang-name {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, var(--primary-green));
    position: relative;
    animation: scrollBounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--primary-green);
    border-bottom: 2px solid var(--primary-green);
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    40% {
        transform: translateY(8px);
        opacity: 1;
    }
    60% {
        transform: translateY(4px);
        opacity: 0.9;
    }
}

/* Founder links */
.founder-link {
    color: var(--primary-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

.founder-link:hover {
    color: var(--white);
    text-decoration: underline;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: radial-gradient(ellipse at center, var(--dark-gray) 0%, var(--black) 70%);
}

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

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.logo-image {
    height: 100px;
    width: auto;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 0 20px rgba(80, 227, 194, 0.3));
}

.logo-image:hover {
    transform: scale(1.05);
}

.logo {
    font-size: 4.5rem;
    font-weight: 100;
    color: var(--white);
    margin: 0;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.subtitle {
    font-size: 1.8rem;
    font-weight: 100;
    color: var(--primary-green);
    margin-bottom: 3rem;
    opacity: 0.9;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-text {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 4rem auto;
    opacity: 0.8;
    line-height: 1.8;
    font-weight: 300;
}

/* Hero Video Section */
.hero-video-section {
    padding: 6rem 0;
}

.hero-video {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--medium-gray);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-video:hover {
    transform: translateY(-10px);
    box-shadow: 0 40px 80px rgba(80, 227, 194, 0.3);
}

/* Nano Video Section - Encore plus grande */
.nano-video-section {
    padding: 8rem 0;
}

.nano-hero-video {
    width: 100%;
    max-width: 1200px;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.7);
    border: 1px solid var(--medium-gray);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nano-hero-video:hover {
    transform: translateY(-12px);
    box-shadow: 0 50px 100px rgba(80, 227, 194, 0.4);
}

/* Story Sections */
.story-section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--medium-gray);
    animation: fadeInUp 0.8s ease-out;
}

.story-section h3 {
    font-size: 2.5rem;
    font-weight: 100;
    color: var(--white);
    margin-bottom: 2rem;
    position: relative;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.story-section h3::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-green) 0%, transparent 100%);
}

.story-section p {
    font-size: 1.2rem;
    line-height: 1.9;
    opacity: 0.85;
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.story-section p:last-child {
    margin-bottom: 0;
}

.story-section strong {
    color: var(--primary-green);
    font-weight: 400;
}

/* Media Sections */
.media-section {
    padding: 4rem 0;
    animation: fadeInUp 0.8s ease-out;
}

.media-container {
    display: flex;
    justify-content: center;
}

.media-item {
    max-width: 100%;
    text-align: center;
}

.media-image, .media-video {
    width: 100%;
    max-width: 700px;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--medium-gray);
}

.media-image:hover, .media-video:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(80, 227, 194, 0.2);
}

.media-caption {
    margin-top: 1.5rem;
    font-style: italic;
    opacity: 0.6;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* Gallery Section */
.gallery-section {
    padding: 5rem 0;
    animation: fadeInUp 0.8s ease-out;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.wallet-showcase {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
    margin: 0 auto;
    gap: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    aspect-ratio: 1;
    border: 1px solid var(--medium-gray);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.08);
}

/* Farewell Section */
.farewell-section {
    padding: 6rem 0 8rem 0;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    background: radial-gradient(ellipse at center, var(--dark-gray) 0%, var(--black) 70%);
}

.farewell-section h3 {
    font-size: 3.5rem;
    font-weight: 100;
    color: var(--primary-green);
    margin-bottom: 3rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.farewell-section p {
    font-size: 1.4rem;
    line-height: 1.9;
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
    opacity: 0.85;
    font-weight: 300;
}

.farewell-section p:last-of-type {
    margin-bottom: 4rem;
}

.farewell-section strong {
    color: var(--primary-green);
    font-weight: 400;
}

.signature {
    margin-top: 4rem;
}

.signature p {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--white);
    margin-bottom: 0.8rem;
    letter-spacing: 0.02em;
}

.date {
    font-size: 1rem;
    color: var(--primary-green);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

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

/* Scroll Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 3.5rem;
    }
    
    .subtitle {
        font-size: 1.4rem;
    }
    
    .hero-text {
        font-size: 1.1rem;
    }
    
    .story-section {
        padding: 4rem 0;
    }
    
    .story-section h3 {
        font-size: 2rem;
    }
    
    .farewell-section h3 {
        font-size: 2.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
    
    .logo-container {
        gap: 1rem;
    }
    
    .logo-image {
        height: 70px;
    }

    .nano-hero-video {
        max-width: 100%;
        border-radius: 16px;
    }

    .nano-video-section {
        padding: 6rem 0;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2.8rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .story-section h3 {
        font-size: 1.6rem;
    }
    
    .farewell-section h3 {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
}