@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #000000;
    --text-color: #f5f5f7;
    --text-muted: #86868b;
    --accent: #2997ff;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(41, 151, 255, 0.08), transparent 45%);
    z-index: -1;
    animation: pulse 12s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    max-width: 1000px;
}

.subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-muted);
    font-weight: 400;
    max-width: 800px;
    margin-bottom: 3.5rem;
}

.icon {
    font-size: clamp(5rem, 12vw, 8rem);
    animation: float 6s ease-in-out infinite;
    display: inline-block;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.5));
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.content-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem 10rem;
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.text-block {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    color: var(--text-muted);
    transition: color 0.4s ease, transform 0.4s ease;
}

.text-block:hover {
    color: var(--text-color);
    transform: translateX(10px);
}

.text-block.highlight {
    font-weight: 400;
    color: var(--text-color);
    border-left: 4px solid var(--accent);
    padding: 2rem;
    margin-top: 2rem;
    background: linear-gradient(90deg, rgba(41,151,255,0.1) 0%, transparent 100%);
    border-radius: 0 12px 12px 0;
}

.text-block.highlight:hover {
    transform: none;
    background: linear-gradient(90deg, rgba(41,151,255,0.15) 0%, transparent 100%);
}

/* Animations Core */
.fade-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Custom Scrollbar for premium feel */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}