/* =============================================
   layer-2.quest - Glitch Art Blockchain Experience
   Colors: #0A0A14, #1A1A2E, #FF0040, #00F0FF, #FFFFFF, #3A3A4A, #6A6A7A
   Fonts: Space Grotesk, Inter, Fira Code
   ============================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #FFFFFF;
    background: #0A0A14;
    overflow-x: hidden;
}

/* =============================================
   Glitch Overlay (random bars)
   ============================================= */
#glitch-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.glitch-bar {
    position: absolute;
    left: 0;
    width: 100vw;
    pointer-events: none;
    opacity: 0;
    animation: glitch-bar-flash var(--bar-duration, 150ms) ease-out forwards;
}

@keyframes glitch-bar-flash {
    0% { opacity: var(--bar-opacity, 0.15); }
    60% { opacity: var(--bar-opacity, 0.15); }
    100% { opacity: 0; }
}

/* =============================================
   Hero: Fragment Zero (100vh)
   ============================================= */
#hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #0A0A14;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.glitch-title {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    opacity: 0;
}

.glitch-title.active {
    opacity: 1;
}

.glitch-layer {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: 0.04em;
    white-space: nowrap;
    user-select: none;
}

.glitch-red {
    position: absolute;
    color: #FF0040;
    opacity: 0.8;
    mix-blend-mode: screen;
    transform: translateX(var(--red-offset, 2px));
    animation: aberr-red 4s ease-in-out infinite;
}

.glitch-cyan {
    position: absolute;
    color: #00F0FF;
    opacity: 0.8;
    mix-blend-mode: screen;
    transform: translateX(var(--cyan-offset, -2px));
    animation: aberr-cyan 4s ease-in-out infinite;
}

.glitch-white {
    position: relative;
    color: #FFFFFF;
    z-index: 1;
}

@keyframes aberr-red {
    0%, 100% { transform: translateX(2px); }
    25% { transform: translateX(3px); }
    50% { transform: translateX(1px); }
    75% { transform: translateX(3px); }
}

@keyframes aberr-cyan {
    0%, 100% { transform: translateX(-2px); }
    25% { transform: translateX(-1px); }
    50% { transform: translateX(-3px); }
    75% { transform: translateX(-1px); }
}

/* Opening sequence: exaggerated offsets that settle */
.glitch-title.signal-acquiring .glitch-red {
    animation: none;
    transform: translateX(8px);
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.glitch-title.signal-acquiring .glitch-cyan {
    animation: none;
    transform: translateX(-8px);
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.glitch-title.signal-stabilized .glitch-red {
    animation: none;
    transform: translateX(2px);
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.glitch-title.signal-stabilized .glitch-cyan {
    animation: none;
    transform: translateX(-2px);
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.glitch-title.signal-locked .glitch-red {
    animation: aberr-red 4s ease-in-out infinite;
}

.glitch-title.signal-locked .glitch-cyan {
    animation: aberr-cyan 4s ease-in-out infinite;
}

.hero-sub {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    color: #6A6A7A;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    position: relative;
    z-index: 2;
}

.hero-sub.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Diagonal Sections
   ============================================= */
.diagonal-section {
    position: relative;
    z-index: 2;
}

/* =============================================
   Layer Diagram (Section 2)
   ============================================= */
#layer-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 2rem;
    background: #0A0A14;
    clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.layer-bands-wrapper {
    width: 90%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.layer-band {
    width: 100%;
    padding: 1.5rem 2rem;
    text-align: center;
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.layer-band.slide-in {
    opacity: 1;
    transform: translateX(0);
}

.layer-band.l1 {
    background: #1A1A2E;
    border: 1px solid #3A3A4A;
}

.layer-band.l2 {
    background: #0A0A14;
    border: 1px solid rgba(0, 240, 255, 0.3);
}

.band-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: #6A6A7A;
}

.layer-boundary {
    width: 100%;
    height: 80px;
    position: relative;
    overflow: hidden;
}

#transition-lines {
    width: 100%;
    height: 100%;
}

.transition-line {
    stroke: #00F0FF;
    stroke-width: 1.5;
    stroke-dasharray: 4 4;
    opacity: 0.6;
    stroke-dashoffset: 80;
    animation: draw-line 500ms ease-out forwards;
}

@keyframes draw-line {
    0% { stroke-dashoffset: 80; opacity: 0; }
    10% { opacity: 0.6; }
    100% { stroke-dashoffset: 0; opacity: 0.6; }
}

.transition-line.fade-out {
    animation: line-fade 800ms ease-out forwards;
}

@keyframes line-fade {
    0% { opacity: 0.6; }
    100% { opacity: 0; }
}

/* Boundary glitch animation */
.layer-boundary-glitch {
    animation: boundary-glitch 3s ease-in-out infinite;
}

@keyframes boundary-glitch {
    0%, 100% { clip-path: inset(0 0 0 0); }
    25% { clip-path: inset(2px 0 0 0); }
    50% { clip-path: inset(0 0 4px 0); }
    75% { clip-path: inset(3px 0 0 0); }
}

/* =============================================
   Data Stream Ticker
   ============================================= */
.data-stream {
    width: 100%;
    height: 32px;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: #0A0A14;
    z-index: 2;
    position: relative;
}

.data-stream-alt {
    margin-top: -1px;
}

.stream-track {
    display: flex;
    white-space: nowrap;
    animation: stream-scroll 50s linear infinite;
}

.stream-track-reverse {
    animation: stream-scroll-reverse 45s linear infinite;
}

.stream-track span {
    font-family: 'Fira Code', monospace;
    font-weight: 400;
    font-size: 0.7rem;
    color: #00F0FF;
    opacity: 0.2;
    padding-right: 3rem;
    user-select: none;
}

@keyframes stream-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes stream-scroll-reverse {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* =============================================
   Solution Cards (Section 3)
   ============================================= */
#solutions {
    max-width: 1040px;
    margin: 0 auto;
    clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
    padding: 80px 3rem;
    background: #0A0A14;
}

.section-header {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    letter-spacing: 0.04em;
    color: #6A6A7A;
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.cards-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.solution-card {
    background: #0A0A14;
    border: 2px solid #3A3A4A;
    padding: 2rem 2.5rem;
    max-width: 520px;
    position: relative;
    opacity: 0;
    transform: translateX(calc(var(--card-offset, 0) * 2px));
    transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.2s ease;
    overflow: hidden;
}

.solution-card::before,
.solution-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid transparent;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.solution-card::before {
    border-color: #FF0040;
    transform: translate(1px, 0);
}

.solution-card::after {
    border-color: #00F0FF;
    transform: translate(-1px, 0);
}

.solution-card.entered {
    opacity: 1;
    transform: translateX(calc(var(--card-offset, 0) * 1px));
}

.solution-card.glitch-hover::before,
.solution-card.glitch-hover::after {
    opacity: 0.7;
}

.solution-card.glitch-hover {
    border-color: #FFFFFF;
}

.solution-card:hover {
    border-color: #00F0FF;
}

.solution-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: #00F0FF;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
    transition: transform 0.1s ease;
}

.solution-card p {
    color: #FFFFFF;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.card-hex {
    font-family: 'Fira Code', monospace;
    font-weight: 400;
    font-size: 0.7rem;
    color: #6A6A7A;
    letter-spacing: 0.05em;
}

/* Card content shift on hover glitch */
.solution-card.glitch-shift h3,
.solution-card.glitch-shift p {
    transform: translateX(1px);
}

/* =============================================
   Footer: Resolution
   ============================================= */
#site-footer {
    padding: 100px 2rem;
    text-align: center;
    background: #0A0A14;
    z-index: 2;
    position: relative;
}

.resolved-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: 0.04em;
    color: #FFFFFF;
    margin-bottom: 0.5rem;
    /* No chromatic aberration - clean, resolved */
}

.footer-sub {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    color: #6A6A7A;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.8s ease;
}

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

/* =============================================
   Responsive Adjustments
   ============================================= */
@media (max-width: 768px) {
    #solutions {
        padding: 60px 1.5rem;
    }

    .solution-card {
        max-width: 100%;
        padding: 1.5rem;
    }

    #layer-diagram {
        padding: 60px 1rem;
    }

    .layer-band {
        padding: 1rem 1.5rem;
    }

    .layer-boundary {
        height: 60px;
    }

    #hero {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .glitch-layer {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .resolved-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    #solutions {
        clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
    }

    #layer-diagram {
        clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
    }
}