:root {
    --color-bg: #020202;
    --color-text: #ffffff;
    --color-muted: rgba(255, 255, 255, 0.4);
    --color-accent-blue: #00f3ff;
    --color-glow: rgba(0, 243, 255, 0.15);
    --font-header: 'Syncopate', sans-serif;
    --font-body: 'Outfit', sans-serif;
    --transition: 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

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

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    height: 100vh;
    overflow: hidden;
    user-select: none;
}

/* Background & Overlays */
.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("https://grainy-gradients.vercel.app/noise.svg");
    opacity: 0.1;
    z-index: 10;
    pointer-events: none;
    filter: brightness(0.5);
}

.ambient-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle at center,
            rgba(0, 50, 100, 0.15) 0%,
            rgba(2, 2, 2, 0) 70%);
    filter: blur(100px);
    z-index: -2;
    animation: pulseGlow 15s infinite alternate ease-in-out;
}

.grid-system {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: clamp(30px, 5vw, 60px) clamp(30px, 5vw, 60px);
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    z-index: -1;
    opacity: 0.5;
}

.scanlines {
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.2) 2px,
            rgba(0, 0, 0, 0.2) 4px);
    pointer-events: none;
    z-index: 5;
    opacity: 0.2;
}

/* Main Layout */
.portal-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.hero-section {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1.5rem, 5vh, 3.5rem);
    width: 100%;
}

/* Logo & Text */
.logo {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: clamp(2.5rem, 12vw, 9rem);
    letter-spacing: clamp(0.5rem, 4vw, 3rem);
    margin-right: clamp(-3rem, -4vw, -0.5rem);
    text-transform: uppercase;
    background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 2s forwards 0.5s;
    text-shadow: 0 0 50px rgba(255, 255, 255, 0.05);
}

.tagline {
    font-family: var(--font-body);
    font-weight: 100;
    font-size: clamp(0.6rem, 2vw, 1.1rem);
    letter-spacing: clamp(0.3rem, 1.5vw, 0.8rem);
    text-transform: uppercase;
    color: var(--color-muted);
    opacity: 0;
    animation: fadeInUp 2s forwards 0.8s;
    padding: 0 10px;
}

/* Button */
.action-wrapper {
    opacity: 0;
    animation: fadeInUp 2s forwards 1.2s;
}

.btn-connect {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(0.7rem, 1.5vw, 0.85rem);
    letter-spacing: 0.3rem;
    padding: clamp(1rem, 2vh, 1.4rem) clamp(2rem, 5vw, 4rem);
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    overflow: hidden;
    white-space: nowrap;
}

.btn-connect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-connect:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
    letter-spacing: 0.45rem;
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.05);
}

.btn-connect:hover::before {
    width: 300px;
    height: 300px;
}

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

@keyframes pulseGlow {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.1;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.2;
    }
}

/* Responsive Audit */
@media (max-width: 480px) {
    .hero-section {
        gap: 2rem;
    }

    .logo {
        letter-spacing: 0.6rem;
        margin-right: -0.6rem;
    }

    .tagline {
        letter-spacing: 0.3rem;
    }

    .btn-connect {
        padding: 1.1rem 2.2rem;
        letter-spacing: 0.2rem;
    }

    .btn-connect:hover {
        letter-spacing: 0.3rem;
    }
}

@media (max-height: 600px) {
    body {
        overflow-y: auto;
    }

    .portal-container {
        padding: 60px 20px;
    }
}