/* limitless.dev - From Void to Dawn */

:root {
    --void-deep: #0a0a14;
    --void-mid: #0f1028;
    --blue-primary: #3d5af1;
    --violet: #8b5cf6;
    --amber-warm: #f0c27f;
    --silver: #94a3b8;
    --light: #e8eaf6;
    --purple-deep: #3d2060;
    --void-accent: #161638;
    --void-purple: #1a1040;
    --sky-light: #7dd3fc;
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background: var(--void-deep);
    color: var(--light);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* Voronoi Canvas - fixed background */
#voronoi-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

/* Acts - full viewport sections */
.act {
    position: relative;
    min-height: 100vh;
    z-index: 1;
}

/* ===================== ACT I: THRESHOLD ===================== */
#threshold {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.threshold-content {
    text-align: center;
    position: relative;
}

.domain-name {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(3rem, 10vw, 8rem);
    letter-spacing: 0.12em;
    color: var(--light);
    display: inline-block;
}

.domain-name .letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: letterReveal 0.6s ease-out forwards;
}

.domain-name .letter.tld {
    color: var(--blue-primary);
}

.domain-name .dot {
    color: var(--violet);
    opacity: 0;
    animation: dotPulse 0.6s ease-out 0.6s forwards;
}

@keyframes letterReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dotPulse {
    to {
        opacity: 1;
    }
}

.tagline {
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(0.8rem, 2vw, 1.1rem);
    color: var(--silver);
    letter-spacing: 0.3em;
    text-transform: lowercase;
    margin-top: 2rem;
    opacity: 0;
    animation: fadeIn 1s ease-out 1.5s forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.scroll-indicator {
    position: absolute;
    bottom: -120px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeIn 1s ease-out 2.5s forwards;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--blue-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===================== ACT II: EXPANSION ===================== */
#expansion {
    padding: 10vh 5vw;
    min-height: 120vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.expansion-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    width: 100%;
}

.island {
    position: relative;
    background: rgba(15, 16, 40, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(61, 90, 241, 0.15);
    border-radius: 24px;
    padding: 3rem;
    overflow: hidden;
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out, border-color 0.4s ease;
}

.island.visible {
    opacity: 1;
    transform: translateY(0);
}

.island:hover {
    border-color: rgba(139, 92, 246, 0.4);
}

.island-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(61, 90, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.island:hover .island-glow {
    opacity: 1.5;
}

.island-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--violet);
    display: block;
    margin-bottom: 1rem;
}

.island h2 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--light);
    margin-bottom: 1rem;
    letter-spacing: 0.04em;
}

.island p {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--silver);
}

.island-data {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(61, 90, 241, 0.1);
}

.data-point {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--amber-warm);
    letter-spacing: 0.1em;
}

.data-symbol {
    font-size: 1.1rem;
    margin-right: 0.5rem;
    color: var(--blue-primary);
}

.island-1 { transition-delay: 0.1s; }
.island-2 { transition-delay: 0.25s; }
.island-3 { transition-delay: 0.4s; }
.island-4 { transition-delay: 0.55s; }

/* ===================== ACT III: CONSTELLATION ===================== */
#constellation {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#constellation-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.constellation-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    padding: 2rem;
}

.constellation-title {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2rem, 6vw, 4rem);
    letter-spacing: 0.1em;
    color: var(--light);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.constellation-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.constellation-text {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--silver);
    margin-bottom: 3rem;
    opacity: 0;
    transition: opacity 0.8s ease 0.3s;
}

.constellation-text.visible {
    opacity: 1;
}

.constellation-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    opacity: 0;
    transition: opacity 0.8s ease 0.6s;
}

.constellation-stats.visible {
    opacity: 1;
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    color: var(--amber-warm);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--violet);
}

/* ===================== ACT IV: HORIZON ===================== */
#horizon {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.horizon-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.horizon-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40vh;
    background: linear-gradient(to top, rgba(240, 194, 127, 0.08) 0%, var(--void-accent) 50%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

#expansion {
    background: linear-gradient(180deg, var(--void-deep) 0%, var(--void-purple) 50%, var(--void-deep) 100%);
}

.constellation-title.visible {
    text-shadow: 0 0 40px rgba(125, 211, 252, 0.15);
    /* sky-light #7dd3fc glow */
}

.horizon-statement {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2rem, 7vw, 5rem);
    letter-spacing: 0.08em;
    color: var(--light);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
}

.horizon-statement.visible {
    opacity: 1;
    transform: translateY(0);
}

.horizon-sub {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--amber-warm);
    letter-spacing: 0.1em;
    margin-bottom: 4rem;
    opacity: 0;
    transition: opacity 1s ease 0.5s;
}

.horizon-sub.visible {
    opacity: 1;
}

.horizon-domain {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1rem, 2vw, 1.3rem);
    letter-spacing: 0.25em;
    text-transform: lowercase;
    color: var(--violet);
    opacity: 0;
    transition: opacity 1s ease 1s;
}

.horizon-domain.visible {
    opacity: 1;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    .expansion-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .island {
        padding: 2rem;
    }

    .constellation-stats {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .domain-name {
        font-size: clamp(2rem, 12vw, 4rem);
    }

    .constellation-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
}