/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-dark: #0a0e1a;
    --color-darker: #111827;
    --color-gray: #374151;
    --color-light: #f0f4f8;
    --color-gold: #fbbf24;
    --color-red: #e63946;
    --color-green: #06d6a0;
    --color-neon: #39ff85;
    --font-display: 'Playfair Display', serif;
    --font-mono: 'Source Code Pro', monospace;
    --font-body: 'Cormorant Garamond', serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-dark);
    color: var(--color-light);
    font-family: var(--font-mono);
    overflow: hidden;
}

/* === PASSPORT FRAME === */
.passport-frame {
    width: 100vw;
    height: 100vh;
    border: 3px solid var(--color-gold);
    position: relative;
    overflow: hidden;
}

.passport-frame::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid var(--color-gray);
    pointer-events: none;
    z-index: 10;
}

.passport-container {
    width: 100%;
    height: 100%;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
}

.passport-container::-webkit-scrollbar {
    display: none;
}

/* === SPREADS === */
.spread {
    width: 100%;
    height: 100vh;
    scroll-snap-align: start;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spread-inner {
    width: 90%;
    max-width: 900px;
    position: relative;
}

/* === CORNER STAMPS === */
.corner-stamp {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-gold);
    opacity: 0.7;
    letter-spacing: 0.1em;
}

.corner-stamp.top-left { top: 20px; left: 20px; }
.corner-stamp.top-right { top: 20px; right: 20px; }
.corner-stamp.bottom-left { bottom: 20px; left: 20px; }
.corner-stamp.bottom-right { bottom: 20px; right: 20px; }

/* === SPREAD 1: COVER === */
.spread-cover {
    background: radial-gradient(ellipse at center, #111827 0%, #0a0e1a 70%);
}

.hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.ascii-portrait {
    position: relative;
    width: 220px;
    height: 160px;
}

.ascii-face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-neon);
    line-height: 1.3;
    opacity: 0;
    transition: opacity 1s ease;
    text-shadow: 0 0 8px var(--color-neon);
}

.ascii-face.active {
    opacity: 1;
}

.main-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(3rem, 7vw, 6rem);
    color: var(--color-light);
    letter-spacing: -0.02em;
    line-height: 1;
}

.pass-text {
    color: var(--color-gold);
}

.subtitle {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    color: var(--color-gray);
    text-transform: uppercase;
}

.terminal-prompt {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-green);
}

.prompt-symbol {
    color: var(--color-gold);
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* === SPREAD 2: STAMPS === */
.spread-stamps {
    background: var(--color-darker);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.stamps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stamp {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.stamp:hover {
    transform: scale(1.1) !important;
}

.stamp-border {
    border: 2px solid var(--color-red);
    border-radius: 50%;
    width: 130px;
    height: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 1rem;
    position: relative;
}

.stamp-border::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px dashed var(--color-red);
    border-radius: 50%;
    opacity: 0.5;
}

.stamp-text {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 0.9rem;
    color: var(--color-red);
    text-transform: uppercase;
}

.stamp-date {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--color-light);
    opacity: 0.7;
}

.stamp-loc {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--color-green);
}

.stamp-2 .stamp-border { border-color: var(--color-gold); }
.stamp-2 .stamp-text { color: var(--color-gold); }
.stamp-4 .stamp-border { border-color: var(--color-green); }
.stamp-4 .stamp-text { color: var(--color-green); }
.stamp-6 .stamp-border { border-color: var(--color-neon); }
.stamp-6 .stamp-text { color: var(--color-neon); }

/* === SPREAD 3: DATA === */
.spread-data {
    background: var(--color-dark);
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.data-field {
    border: 1px solid var(--color-gray);
    padding: 1rem;
    position: relative;
}

.data-field::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--color-gold);
}

.field-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    margin-bottom: 0.4rem;
}

.field-value {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-light);
}

.field-value.highlight {
    color: var(--color-red);
}

.field-value.blink-slow {
    animation: blink-slow 2s ease-in-out infinite;
}

@keyframes blink-slow {
    0%, 70% { opacity: 1; }
    80%, 90% { opacity: 0.3; }
    100% { opacity: 1; }
}

.glitch-text {
    position: relative;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.glitch-text:hover::before {
    opacity: 0.8;
    color: var(--color-red);
    animation: glitch-1 0.3s infinite;
}

.glitch-text:hover::after {
    opacity: 0.8;
    color: var(--color-green);
    animation: glitch-2 0.3s infinite;
}

@keyframes glitch-1 {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(2px, -1px); }
    60% { transform: translate(-1px, 1px); }
    80% { transform: translate(1px, -2px); }
    100% { transform: translate(0); }
}

@keyframes glitch-2 {
    0% { transform: translate(0); }
    20% { transform: translate(2px, -2px); }
    40% { transform: translate(-2px, 1px); }
    60% { transform: translate(1px, -1px); }
    80% { transform: translate(-1px, 2px); }
    100% { transform: translate(0); }
}

.barcode {
    text-align: center;
}

.barcode-lines {
    display: flex;
    justify-content: center;
    gap: 2px;
    margin-bottom: 0.5rem;
    height: 40px;
    align-items: flex-end;
}

.barcode-lines span {
    display: inline-block;
    width: 2px;
    background: var(--color-light);
    opacity: 0.8;
}

.barcode-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-gray);
    letter-spacing: 0.15em;
}

/* === SPREAD 4: SIGNATURE === */
.spread-signature {
    background: linear-gradient(180deg, var(--color-darker) 0%, var(--color-dark) 100%);
}

.signature-area {
    border: 1px dashed var(--color-gray);
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

#signature-canvas {
    width: 100%;
    height: 150px;
    background: transparent;
    cursor: crosshair;
    display: block;
}

.signature-instruction {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-gray);
    letter-spacing: 0.15em;
    margin-top: 0.5rem;
}

.exit-stamp {
    text-align: center;
    margin: 1.5rem 0;
    opacity: 0;
    transform: scale(0.5) rotate(-15deg);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.exit-stamp.visible {
    opacity: 1;
    transform: scale(1) rotate(-5deg);
}

.exit-stamp-inner {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    border: 3px solid var(--color-green);
    padding: 1rem 2rem;
    border-radius: 4px;
    color: var(--color-green);
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.5rem;
}

.exit-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    margin-top: 0.3rem;
    letter-spacing: 0.1em;
}

.terminal-output {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-green);
    line-height: 1.8;
    max-height: 100px;
    overflow: hidden;
}

.terminal-output p {
    opacity: 0.8;
}

/* === PAGE INDICATOR === */
.page-indicator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}

.page-dot {
    width: 8px;
    height: 8px;
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-dot.active {
    background: var(--color-gold);
    box-shadow: 0 0 8px var(--color-gold);
}

/* === SCANLINE OVERLAY === */
.passport-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(10, 14, 26, 0.03) 2px,
        rgba(10, 14, 26, 0.03) 4px
    );
    pointer-events: none;
    z-index: 5;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .stamps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stamp-border {
        width: 100px;
        height: 100px;
    }
    .data-grid {
        grid-template-columns: 1fr;
    }
}