* { margin: 0; padding: 0; box-sizing: border-box; }
:root { --primary-bg: #000000; --primary-text: #ffffff; }
body { font-family: 'Open Sans', sans-serif; background-color: var(--primary-bg); color: #111; overflow-x: hidden; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInOut { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

#loading-screen { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; background: #000000; animation: fadeIn 0.3s ease-out; transition: opacity 0.5s ease, visibility 0.5s ease; }
#loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-content { display: flex; flex-direction: column; align-items: center; gap: 24px; animation: fadeInUp 0.4s ease-out; }
.loading-brand { font-family: 'Playfair Display', serif; font-size: 32px; font-weight: 400; letter-spacing: -0.05em; color: #FAF6F0; }
.loading-brand-bold { font-weight: 700; }
.loading-bar-container { width: 280px; height: 3px; background: rgba(250, 246, 240, 0.15); border-radius: 2px; overflow: hidden; position: relative; }
.loading-bar { position: absolute; top: 0; left: 0; height: 100%; width: 40%; background: #ffffff; border-radius: 2px; animation: loadingSlide 1.2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
@keyframes loadingSlide { 0% { left: -40%; } 50% { left: 100%; } 100% { left: 100%; } }

.navbar { position: fixed; top: 50px; left: 50%; transform: translateX(-50%); width: auto; backdrop-filter: blur(5px); background: rgba(255, 255, 255, 0.5); border-radius: 20px; padding: 14px 28px; display: flex; justify-content: center; z-index: 100; box-shadow: 0 4px 20px rgba(255, 255, 255, 0.05); }
.nav-container { display: flex; align-items: center; justify-content: space-between; gap: 150px; }
.logo { font-weight: 600; font-size: 1.2rem; font-family: 'Playfair Display', serif; color: black; cursor: pointer; transition: color 0.3s ease; z-index: 10; white-space: nowrap; }
.logo .logo-light { font-weight: 400; }
.logo:hover { color: #333; }
.nav-links { display: flex; align-items: center; gap: 0; }
.nav-link { font-family: 'Open Sans', sans-serif; font-size: 0.95rem; font-weight: 700; color: #333; text-decoration: none; padding: 8px 14px; border-radius: 10px; transition: all 0.3s ease; display: flex; align-items: center; gap: 0px; white-space: nowrap; }
.nav-link:hover { background: rgba(0, 0, 0, 0.08); color: #000; }
.nav-link .ai-logo { fill: #333; transition: fill 0.3s ease; }
.nav-link:hover .ai-logo { fill: #000; }
.nav-link .short-text { display: none; }

.hero { height: 100vh; position: relative; display: flex; align-items: center; padding-left: 10%; overflow: hidden; color: white; }
.hero-video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.4); z-index: 1; }
.hero-content { position: relative; z-index: 2; text-align: left; width: 100%; max-width: 90%; }
.hero-main-row { display: flex; align-items: center; gap: 40px; margin-bottom: 60px; }
.hero-title-group { display: flex; flex-direction: column; align-items: flex-start; flex-shrink: 0; }
.hero-title { font-family: 'Playfair Display', serif; font-size: 8rem; font-weight: 600; margin: 0; opacity: 0; transform: translateY(30px); animation: fadeInUp 1s ease-out 1s forwards; transition: font-size 0.6s ease-out; flex-shrink: 0; }
.hero-title-sub { font-family: 'Open Sans', sans-serif; font-size: 1.2rem; font-weight: 300; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-top: -10px; opacity: 0; animation: fadeInUp 1s ease-out 1.3s forwards; width: 100%; text-align: justify; text-align-last: justify; }
.hero-divider { font-size: 8rem; font-weight: 200; color: rgb(255, 255, 255); opacity: 0; animation: fadeInUp 1s ease-out 1.5s forwards; flex-shrink: 0; margin: -60px; }
.hero-subtitle { display: flex; flex-direction: column; gap: 0px; justify-content: center; align-items: left; margin-top: 30px; }
.promo-text-1, .promo-text-2 { font-family: 'Open Sans', sans-serif; font-size: 2rem; font-weight: 300; margin: 0; opacity: 0; transform: translateY(20px); transition: font-size 0.1s ease-out; }
.promo-text-1 { animation: fadeInUp 1s ease-out 2s forwards; }
.promo-text-2 { animation: fadeInUp 1s ease-out 2.3s forwards; }
.hero.scrolled .hero-title { font-size: 4rem; }
.hero.scrolled .promo-text-1, .hero.scrolled .promo-text-2 { font-size: 2.5rem; }

.hero-features-marquee { width: 100vw; margin-left: -12%; overflow: hidden; background: linear-gradient(135deg, #ff00bf4f, #00ffff41); backdrop-filter: blur(10px); padding: 25px 0; border-top: 1px solid rgba(255, 255, 255, 0.1); border-bottom: 1px solid rgba(255, 255, 255, 0.1); opacity: 0; animation: fadeIn 1s ease-out 2.8s forwards; }
.marquee-content { display: flex; gap: 60px; animation: scroll 60s linear infinite; white-space: nowrap; width: fit-content; }
.marquee-content span { font-family: 'Open Sans', sans-serif; font-size: 1.5rem; font-weight: 500; color: rgb(255, 255, 255); letter-spacing: 0.5px; }

.explore-btn { font-family: 'Open Sans', sans-serif; font-size: 1.5rem; font-weight: 300; margin-top: 30px; padding: 16px 50px; color: #ffffff; background: transparent; border: 1px solid rgba(255, 255, 255, 0.6); border-radius: 8px; cursor: pointer; transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease; }
.explore-btn:hover { background: #ffffff; color: #000000; border-color: #ffffff; transform: translateY(-1px); }
.explore-btn:active { transform: translateY(0); }
a.explore-btn { text-decoration: none; display: inline-block; }

.image-section { height: 600px; position: relative; overflow: hidden; color: white; display: flex; align-items: center; padding-left: 10%; }
.image-section .video-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.image-section::after { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, 0.4); z-index: 0; }
.image-section .content { position: relative; z-index: 1; }
.image-section .content h2 { font-family: 'Playfair Display', serif; font-size: 5rem; margin-bottom: 10px; }
.content p { font-size: 1.7rem; font-weight: 300; }

.video-section { height: 500px; position: relative; overflow: hidden; color: white; display: flex; align-items: center; padding-left: 10%; }
.video-section .video-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.video-section::after { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, 0.4); z-index: 0; }
.video-section .content { position: relative; z-index: 1; }
.video-section .content h2 { font-family: 'Playfair Display', serif; font-size: 5rem; margin-bottom: 10px; }

.playgrounds-section { height: 600px; background-image: url('assets/playground-section.jpg'); background-size: cover; background-position: center; background-repeat: no-repeat; background-attachment: scroll; color: white; display: flex; align-items: center; padding-left: 10%; position: relative; will-change: background-position; }
.playgrounds-section::after { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, 0.4); }
.playgrounds-section .content { position: relative; z-index: 1; }
.playgrounds-section .content h2 { font-family: 'Playfair Display', serif; font-size: 5rem; margin-bottom: 10px; }

.sound-section { height: 600px; position: relative; overflow: hidden; color: white; display: flex; align-items: center; padding-left: 10%; }
.sound-section .video-background { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.sound-section::after { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, 0.4); z-index: 1; }
.sound-section .content { position: relative; z-index: 2; }
.sound-section .content h2 { font-family: 'Playfair Display', serif; font-size: 5rem; margin-bottom: 10px; }

.horizontal-scroll { position: relative; height: 300vh; background: #f5f5f5; }
.scroll-container { display: flex; height: 100vh; width: 300vw; position: sticky; top: 0; left: 0; will-change: transform; }
.artifact-card { flex: 0 0 100vw; position: relative; background: #ebebeb; color: rgb(0, 0, 0); overflow: hidden; }
.artifact-card h3 { font-family: 'Playfair Display', serif; margin: 0; }
.artifact-card p { font-family: 'Open Sans', sans-serif; margin: 0; }
.artifact-card span { font-weight: bolder; }

.artifact-card.card-1 { display: flex; align-items: stretch; }
.artifact-card.card-1 .card-content-left { flex: 1; display: flex; align-items: flex-end; padding: 0; }
.artifact-card.card-1 .card1-title { font-family: 'Playfair Display', serif; font-size: clamp(6rem, 11vw, 11rem); line-height: 0.8; padding: 40px; margin: 0; }
.artifact-card.card-1 .card-content-right { flex: 1; display: flex; flex-direction: column; align-items: flex-end; justify-content: center; padding: 40px; gap: 8px; }
.artifact-card.card-1 .card1-subtitle-top { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #555; margin: 0; }
.artifact-card.card-1 .card1-subtitle-main { font-family: 'Playfair Display', serif; font-size: clamp(2.5rem, 4vw, 3.5rem); font-weight: 600; color: #000; margin: 0; }
.swipe-indicator { display: none; }

.artifact-card.card-2 { display: grid; grid-template-columns: auto auto auto; grid-template-rows: auto 1fr; gap: 20px; padding: 150px 60px; align-items: stretch; justify-content: center; }
.artifact-card.card-2 .card2-text-container { grid-column: 1; grid-row: 1; text-align: left; width: 600px; display: flex; flex-direction: column; justify-content: flex-end; padding-bottom: 10px; }
.artifact-card.card-2 h3 { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 2px; }
.artifact-card.card-2 p { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #4d4848; padding-bottom: 10px; }
.artifact-card.card-2 .card2-images-container { display: contents; }
.artifact-card.card-2 .card2-image, .artifact-card.card-2 .card2-video { object-fit: cover; border-radius: 12px; box-shadow: 0 10px 10px rgba(0, 0, 0, 0.3); }
.artifact-card.card-2 .card2-video:nth-child(1) { grid-column: 1; grid-row: 2; width: 600px; aspect-ratio: 16 / 9; }
.artifact-card.card-2 .card2-video:nth-child(2) { grid-column: 2; grid-row: 1 / 3; width: 350px; aspect-ratio: 9 / 16; }
.artifact-card.card-2 .card2-video:nth-child(3) { grid-column: 3; grid-row: 1 / 3; width: 350px; aspect-ratio: 9 / 16; }

.artifact-card.card-3 { display: flex; align-items: center; justify-content: flex-end; gap: 40px; }
.artifact-card.card-3 .card3-text-container { flex-shrink: 0; text-align: right; padding: 10px; padding-right: 0; max-width: 400px; }
.artifact-card.card-3 h3 { font-size: clamp(2.5rem, 4vw, 3.5rem); line-height: 1.1; margin-bottom: 20px; }
.artifact-card.card-3 p { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #4d4848; }
.artifact-card.card-3 .card3-images-container { display: flex; gap: 0; height: 100vh; flex-shrink: 0; }
.artifact-card.card-3 .card3-image, .artifact-card.card-3 .card3-video { flex: 0 0 auto; width: 340px; height: 100vh; object-fit: cover; }

.artifact-card.card-4 { display: flex; align-items: center; justify-content: flex-end; gap: 40px; }
.artifact-card.card-4 .card4-text-container { flex-shrink: 0; text-align: right; padding: 10px; padding-right: 0; max-width: 500px; }
.artifact-card.card-4 h3 { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 20px; line-height: 1.1; }
.artifact-card.card-4 p { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #4d4848; }
.artifact-card.card-4 .card4-images-container { display: flex; gap: 0; height: 100vh; flex-shrink: 0; }
.artifact-card.card-4 .card4-image, .artifact-card.card-4 .card4-video { flex: 0 0 auto; width: 340px; height: 100vh; object-fit: cover; }

.artifact-card.card-5 { position: relative; display: flex; align-items: center; padding-left: 10%; overflow: hidden; }
.artifact-card.card-5::before { content: ''; position: absolute; inset: 80px; background-image: url('assets/social-media.jpg'); background-size: cover; background-position: center center; background-repeat: no-repeat; border-radius: 24px; z-index: 0; }
.artifact-card.card-5::after { content: ''; position: absolute; inset: 80px; background: rgba(0, 0, 0, 0.4); border-radius: 24px; z-index: 1; }
.artifact-card.card-5 .card5-video { display: none; }
.artifact-card.card-5 .card5-text-container { position: relative; z-index: 2; max-width: 1000px; color: #fff; }
.artifact-card.card-5 h3 { font-size: clamp(3.5rem, 4vw, 3.5rem); margin-bottom: 16px; color: #fff; }
.artifact-card.card-5 p { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #e0e0e0; }

.artifact-card.card-6 { display: flex; align-items: center; justify-content: flex-end; gap: 40px; }
.artifact-card.card-6 .card6-text-container { flex-shrink: 0; text-align: right; padding: 10px; padding-right: 0; max-width: 400px; }
.artifact-card.card-6 h3 { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 20px; line-height: 1.1; }
.artifact-card.card-6 p { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #4d4848; }
.artifact-card.card-6 .card6-images-container { display: flex; gap: 0; height: 100vh; flex-shrink: 0; }
.artifact-card.card-6 .card6-image, .artifact-card.card-6 .card6-video { flex: 0 0 auto; width: 340px; height: 100vh; object-fit: cover; }

.artifact-card.card-7 { display: flex; align-items: center; justify-content: center; padding: 60px 80px; gap: 80px; }
.artifact-card.card-7 .card7-text-container { flex-shrink: 0; text-align: center; max-width: 550px; }
.artifact-card.card-7 h3 { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 20px; line-height: 1.1; }
.artifact-card.card-7 > .card7-text-container > p { font-size: clamp(1rem, 1.5vw, 1.2rem); color: #4d4848; margin-bottom: 40px; }
.artifact-card.card-7 .card7-video { flex: 0 0 auto; width: 500px; height: 700px; object-fit: cover; border-radius: 16px; }
.artifact-card.card-7 .card7-contact { margin-bottom: 30px; padding-top: 30px; border-top: 1px solid rgba(0, 0, 0, 0.1); }
.artifact-card.card-7 .contact-label { font-size: 0.9rem; font-weight: 600; color: #888; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.artifact-card.card-7 .contact-email { font-size: 1.1rem; color: #333; text-decoration: none; transition: color 0.3s ease; }
.artifact-card.card-7 .contact-email:hover { color: #000; text-decoration: underline; }
.artifact-card.card-7 .card7-portfolio { padding-top: 20px; }
.artifact-card.card-7 .portfolio-label { font-size: 0.9rem; color: #666; margin-bottom: 12px; }
.artifact-card.card-7 .portfolio-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; background: #111; color: #fff; text-decoration: none; border-radius: 12px; font-size: 0.95rem; font-weight: 600; transition: all 0.3s ease; }
.artifact-card.card-7 .portfolio-btn:hover { background: #333; transform: translateY(-2px); }
.artifact-card.card-7 .portfolio-btn svg { fill: currentColor; }

.technology-section { min-height: 100vh; background: linear-gradient(135deg, #e9dfdf 5%, #ffffff 100%); padding: 120px 5% 100px; color: #000; }
.tech-container { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr; gap: 280px; align-items: center; }
.tech-content { display: flex; flex-direction: column; gap: 80px; }
.tech-item { opacity: 0.9; transition: opacity 0.3s; }
.tech-item:hover { opacity: 1; }
.tech-item h3 { font-family: 'Playfair Display', serif; font-size: 2.5rem; margin-bottom: 15px; color: #000; }
.tech-item p { font-size: 1.5rem; line-height: 1.1; color: #000; max-width: 600px; }
.tech-visual { position: relative; }
.tech-visual video { width: 100%; height: 800px; border-radius: 20px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); object-fit: cover; }

.plans-section { min-height: 100vh; background: linear-gradient(45deg, #e9dfdf 5%, #ffffff 100%); padding: 120px 5% 100px; display: flex; align-items: center; justify-content: center; }
.plans-container { max-width: 1400px; width: 100%; text-align: center; }
.plans-container h2 { font-family: 'Playfair Display', serif; font-size: 3.5rem; color: #111; margin-bottom: 20px; }
.plans-subtitle { font-size: 1.2rem; color: #666; margin-bottom: 60px; }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 60px; }
.plan-card { background: white; border-radius: 20px; padding: 50px 40px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08); transition: transform 0.3s, box-shadow 0.3s; position: relative; border: 2px solid transparent; }
.plan-card:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12); }
.plan-card.featured { background: linear-gradient(135deg, #111 0%, #2a2a2a 100%); color: white; border: 2px solid #111; transform: scale(1.05); }
.plan-card.featured:hover { transform: scale(1.08) translateY(-10px); }
.badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, #ffd700, #ffed4e); color: #111; padding: 8px 24px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.5px; }
.plan-header h3 { font-family: 'Playfair Display', serif; font-size: 1.8rem; margin-bottom: 20px; color: inherit; }
.plan-price { display: flex; align-items: baseline; justify-content: center; margin-bottom: 10px; }
.currency { font-size: 1.5rem; font-weight: 300; margin-right: 5px; }
.amount { font-size: 4rem; font-weight: 600; font-family: 'Playfair Display', serif; }
.period { font-size: 1.2rem; color: #888; margin-left: 5px; }
.plan-card.featured .period { color: #ccc; }
.savings { display: inline-block; background: rgba(255, 215, 0, 0.2); color: #ffd700; padding: 5px 15px; border-radius: 15px; font-size: 0.85rem; font-weight: 600; margin-top: 10px; }
.plan-features { list-style: none; margin: 40px 0; text-align: left; }
.plan-features li { padding: 12px 0; border-bottom: 1px solid rgba(0, 0, 0, 0.08); font-size: 1rem; color: #555; }
.plan-card.featured .plan-features li { border-bottom: 1px solid rgba(255, 255, 255, 0.1); color: #ddd; }
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before { content: "✓ "; color: #111; font-weight: bold; margin-right: 10px; }
.plan-card.featured .plan-features li::before { color: #ffd700; }
.plan-button { width: 100%; padding: 16px 30px; border: 2px solid #111; background: transparent; color: #111; font-size: 1.1rem; font-weight: 600; border-radius: 12px; cursor: pointer; transition: all 0.3s; margin-top: 20px; }
.plan-button:hover { background: #111; color: white; }
.plan-card.featured .plan-button { background: white; color: #111; border: 2px solid white; }
.plan-card.featured .plan-button:hover { background: transparent; color: white; }

.about { min-height: 400px; display: flex; flex-direction: column; justify-content: center; align-items: center; background: rgb(255, 255, 255); color: rgb(0, 0, 0); padding: 80px 8%; gap: 40px; }
.about > div { width: 100%; max-width: 1200px; }
.about-content { text-align: left; }
.about-content h1 { font-family: 'Playfair Display', serif; font-size: 1.3rem; margin-bottom: 8px; }
.about-content h2 { font-family: 'Playfair Display', serif; font-size: 5.8rem; margin-bottom: 20px; }
.about-description { text-align: left; }
.about-description p { font-family: 'Inter', sans-serif; font-size: 0.95rem; line-height: 1.8; font-weight: 300; letter-spacing: 0.02em; max-width: 800px; }
.about-description p span { font-family: 'Playfair Display', serif; font-size: 0.95rem; }

.about-team { margin-top: 40px; padding-top: 40px; border-top: 1px solid rgba(0,0,0,0.08); }
.team-row { display: flex; align-items: flex-start; gap: 0; }
.team-item { flex: 1; padding: 0 40px; }
.team-item:first-child { padding-left: 0; }
.team-item:last-child { padding-right: 0; }
.team-divider { width: 1px; background: rgba(0,0,0,0.1); align-self: stretch; min-height: 60px; }
.team-label { display: block; font-family: 'Playfair Display', serif; font-size: 1.1rem; color: #1a1a1a; margin-bottom: 6px; }
.team-label em { font-style: normal; font-family: 'Open Sans', sans-serif; font-size: 0.75rem; font-weight: 600; color: #888; text-transform: uppercase; letter-spacing: 0.08em; margin-left: 10px; vertical-align: middle; }
.team-link { font-family: 'Open Sans', sans-serif; font-size: 0.9rem; color: #666; text-decoration: none; transition: color 0.2s ease; position: relative; }
.team-link:hover { color: #000; }
.team-link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: #000; transition: width 0.3s ease; }
.team-link:hover::after { width: 100%; }

.footer { height: 100px; background: #000; color: #fff; text-align: center; padding: 40px 0; font-size: 0.9rem; }