:root {
    --l-text: #1a202c;
    --l-text-light: #4a5568;
    --l-white: #ffffff;
    --font-primary: 'Outfit', sans-serif;
}

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

body { 
    color: var(--l-text); 
    font-family: var(--font-primary); 
    overflow-x: hidden;
    background-color: #fdfbfb; /* Fallback */
}

/* Background gradient that will be changed via JS */
.dynamic-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -2;
    background: linear-gradient(-45deg, #fdfbfb, #ebedee);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    transition: background 1.5s ease;
}

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

/* Base Glassmorphism Utility */
.glass-panel {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
}

/* Mouse Glow */
.mouse-glow {
    position: fixed; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%; pointer-events: none; z-index: -1;
    transform: translate(-50%, -50%); transition: opacity 0.3s;
}

/* Nav */
.l-nav {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%); width: 80%; max-width: 1000px;
    padding: 15px 30px; display: flex; justify-content: space-between; align-items: center; border-radius: 50px; z-index: 100;
}
.logo { font-weight: 800; font-size: 1.2rem; letter-spacing: 2px; }
.links a { color: var(--l-text); text-decoration: none; font-size: 0.9rem; font-weight: 500; margin: 0 15px; transition: color 0.3s; }
.links a:hover { color: #000; }
.btn-buy { background: #000; color: #fff; border: none; padding: 10px 20px; border-radius: 20px; font-family: var(--font-primary); font-weight: 600; cursor: pointer; transition: transform 0.2s; }
.btn-buy:hover { transform: scale(1.05); }

/* Hero */
.l-hero { height: 100vh; display: flex; align-items: center; padding: 0 10%; max-width: 1600px; margin: 0 auto; gap: 50px; }
.hero-left { flex: 1; z-index: 2; }
.hero-left h1 { font-size: 5rem; font-weight: 300; line-height: 1.1; margin-bottom: 30px; letter-spacing: -2px; }
.hero-left p { font-size: 1.2rem; color: var(--l-text-light); max-width: 450px; line-height: 1.6; margin-bottom: 50px; font-weight: 400; }

.interactive-lights { padding: 20px; border-radius: 20px; display: inline-block; }
.interactive-lights h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--l-text-light); margin-bottom: 15px; }
.color-picker { display: flex; gap: 15px; }
.color-btn { width: 30px; height: 30px; border-radius: 50%; border: 2px solid #fff; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.color-btn:hover { transform: scale(1.2); }
.color-btn.active { transform: scale(1.2); outline: 2px solid #000; outline-offset: 2px; }

/* Mockups floating */
.hero-right { flex: 1; position: relative; height: 500px; }
.ui-mockup { position: absolute; border-radius: 24px; padding: 30px; }
.ui-header { font-size: 1.2rem; font-weight: 600; margin-bottom: 20px; }

.panel-1 { top: 0; right: 20%; width: 250px; }
.ui-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.ui-item { background: rgba(255,255,255,0.5); border-radius: 12px; height: 60px; display: flex; justify-content: center; align-items: center; cursor: pointer; transition: background 0.3s; }
.ui-item.active { background: #fff; box-shadow: 0 4px 15px rgba(0,0,0,0.05); color: #000; }

.panel-2 { bottom: 0; left: 10%; width: 300px; text-align: center; }
.temp-display { font-size: 5rem; font-weight: 300; margin-bottom: 20px; line-height: 1; }
.slider-track { width: 100%; height: 8px; background: rgba(0,0,0,0.1); border-radius: 10px; position: relative; cursor: pointer; }
.slider-fill { position: absolute; top: 0; left: 0; height: 100%; width: 60%; background: #000; border-radius: 10px; }
.slider-thumb { position: absolute; top: 50%; left: 60%; transform: translate(-50%, -50%); width: 24px; height: 24px; background: #fff; border-radius: 50%; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }

/* Floating animations */
.float-slow { animation: float 6s ease-in-out infinite; }
.float-fast { animation: float 4s ease-in-out infinite reverse; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

/* Ecosystem */
.ecosystem-section { padding: 150px 10%; }
.section-title { text-align: center; margin-bottom: 80px; }
.section-title h2 { font-size: 3rem; font-weight: 300; margin-bottom: 20px; }
.section-title p { font-size: 1.2rem; color: var(--l-text-light); max-width: 600px; margin: 0 auto; line-height: 1.6; }

.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feature-card { padding: 40px; border-radius: 30px; text-align: center; transition: transform 0.3s; }
.feature-card:hover { transform: translateY(-10px); }
.feature-card img { width: 100%; height: 200px; object-fit: cover; border-radius: 15px; margin-bottom: 30px; }
.feature-card h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 15px; }
.feature-card p { color: var(--l-text-light); line-height: 1.5; }

/* Experience Full */
.experience-section { padding: 100px 5%; display: flex; justify-content: center; }
.exp-content { max-width: 900px; width: 100%; padding: 80px; border-radius: 40px; text-align: center; }
.exp-content h2 { font-size: 3.5rem; font-weight: 300; margin-bottom: 30px; }
.exp-content p { font-size: 1.3rem; color: var(--l-text-light); line-height: 1.8; margin-bottom: 40px; }
.btn-glass { background: rgba(255,255,255,0.7); border: 1px solid #fff; padding: 15px 30px; border-radius: 30px; font-family: var(--font-primary); font-size: 1rem; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; transition: background 0.3s; }
.btn-glass:hover { background: #fff; }

/* Footer */
.l-footer { margin: 0 5% 40px; padding: 40px 60px; border-radius: 30px; display: flex; justify-content: space-between; align-items: center; }
.f-brand h2 { font-weight: 800; font-size: 1.2rem; letter-spacing: 2px; margin-bottom: 5px; }
.f-brand p { color: var(--l-text-light); font-size: 0.9rem; }
.f-links a { color: var(--l-text-light); text-decoration: none; font-size: 0.9rem; font-weight: 500; margin-left: 30px; transition: color 0.3s; }
.f-links a:hover { color: #000; }

@media (max-width: 1000px) {
    .l-hero { flex-direction: column; text-align: center; padding-top: 150px; height: auto; }
    .hero-left p { margin: 0 auto 40px; }
    .hero-right { width: 100%; height: 600px; margin-top: 50px; }
    .panel-1 { right: 5%; left: 5%; width: auto; }
    .panel-2 { bottom: 0; left: 5%; width: 90%; }
    .cards-grid { grid-template-columns: 1fr; }
    .l-footer { flex-direction: column; text-align: center; gap: 30px; }
    .f-links a { margin: 0 15px; }
}