/* ============================================================
   addrproxy.com - Pixel Art Horizontal Scroll Experience
   ============================================================
   "Diplomatic pixel noir" — a pixel-rendered concierge service
   for a city between Blade Runner and Wes Anderson.
   Horizontal scroll through 6 panels: street, facade, lobby,
   sorting room, archive, rooftop.
   ============================================================ */

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

:root {
    --primary-dark: #0B0E13;
    --secondary-dark: #1A1F2E;
    --parchment: #F0E6D3;
    --sand: #C8BDA8;
    --signal-green: #00FFB2;
    --brick: #8B4A3A;
    --steel-blue: #4A6B8A;
    --deep-gold: #B8963E;
    --spring-curve: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
    overflow: hidden;
    height: 100%;
}

body {
    height: 100%;
    overflow: hidden;
    background: var(--primary-dark);
    color: var(--parchment);
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.7;
    letter-spacing: 0.02em;
    image-rendering: pixelated;
}

/* --- Horizontal Scroll Container --- */
#scroll-container {
    display: flex;
    width: 600vw;
    height: 100vh;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    position: relative;
}

/* Hide scrollbar */
#scroll-container::-webkit-scrollbar {
    display: none;
}
#scroll-container {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* --- Parallax Layers --- */
.parallax-layer {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
}

#parallax-far {
    width: 600vw;
    z-index: 1;
    background:
        radial-gradient(1px 1px at 10% 15%, rgba(240, 230, 211, 0.3), transparent),
        radial-gradient(1px 1px at 25% 8%, rgba(240, 230, 211, 0.2), transparent),
        radial-gradient(1px 1px at 40% 22%, rgba(240, 230, 211, 0.15), transparent),
        radial-gradient(1px 1px at 55% 5%, rgba(240, 230, 211, 0.25), transparent),
        radial-gradient(1px 1px at 70% 18%, rgba(240, 230, 211, 0.2), transparent),
        radial-gradient(1px 1px at 85% 12%, rgba(240, 230, 211, 0.3), transparent),
        radial-gradient(1px 1px at 95% 25%, rgba(240, 230, 211, 0.15), transparent);
}

#parallax-mid {
    width: 600vw;
    z-index: 2;
}

#parallax-near {
    width: 600vw;
    z-index: 3;
}

/* --- Panels --- */
.panel {
    flex: 0 0 100vw;
    width: 100vw;
    height: 100vh;
    scroll-snap-align: start;
    position: relative;
    overflow: hidden;
    z-index: 4;
}

.panel-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* --- Typography --- */
h1, h2 {
    font-family: 'Playfair Display', 'Georgia', serif;
    font-weight: 700;
    font-variant: small-caps;
    letter-spacing: 0.08em;
    line-height: 1.15;
    color: var(--parchment);
}

h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h2 {
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
}

.site-tagline,
.telegram-input,
.telegram-submit,
.scroll-arrow,
#progress-bar,
.panel-number,
.mailbox-label,
.rooftop-subtext {
    font-family: 'Silkscreen', monospace;
    font-weight: 400;
}

/* Pixel-art horizontal rule */
.pixel-rule {
    width: 100%;
    height: 2px;
    margin: 12px 0 16px;
    background: repeating-linear-gradient(
        90deg,
        var(--deep-gold) 0px,
        var(--deep-gold) 4px,
        transparent 4px,
        transparent 8px
    );
}

/* ============================================================
   PANEL 1: THE STREET
   ============================================================ */
#panel-street {
    background: var(--primary-dark);
}

.panel-street-content {
    flex-direction: column;
    position: relative;
}

/* --- Cityscape --- */
.cityscape {
    position: absolute;
    bottom: 120px;
    left: 0;
    width: 100%;
    height: 300px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
    z-index: 2;
}

.building {
    background: var(--secondary-dark);
    position: relative;
    image-rendering: pixelated;
}

.b1  { width: 56px;  height: 148px; background: #141928; }
.b2  { width: 80px;  height: 200px; background: var(--secondary-dark); }
.b3  { width: 44px;  height: 124px; background: #1e2438; }
.b4  { width: 120px; height: 220px; background: #161b2a; }
.b5  { width: 52px;  height: 160px; background: var(--secondary-dark); }
.b6  { width: 96px;  height: 180px; background: #141928; }
.b7  { width: 40px;  height: 132px; background: #1e2438; }
.b8  { width: 108px; height: 196px; background: var(--secondary-dark); }
.b9  { width: 48px;  height: 140px; background: #161b2a; }
.b10 { width: 72px;  height: 168px; background: #141928; }

/* Pixel cornice decoration */
.pixel-cornice {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--steel-blue);
}

.pixel-cornice::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    height: 2px;
    background: var(--steel-blue);
    opacity: 0.5;
}

/* Window grids using box-shadow */
.windows-grid {
    position: absolute;
    top: 12px;
    left: 8px;
    width: 4px;
    height: 4px;
}

.wg1 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--deep-gold),
        24px 0 0 0 var(--steel-blue),
        32px 0 0 0 var(--steel-blue),
        0 8px 0 0 var(--steel-blue),
        8px 8px 0 0 var(--deep-gold),
        16px 8px 0 0 var(--steel-blue),
        24px 8px 0 0 var(--deep-gold),
        32px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--deep-gold),
        8px 16px 0 0 var(--steel-blue),
        16px 16px 0 0 var(--deep-gold),
        24px 16px 0 0 var(--steel-blue),
        32px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--steel-blue),
        8px 24px 0 0 var(--steel-blue),
        16px 24px 0 0 var(--deep-gold),
        24px 24px 0 0 var(--steel-blue),
        32px 24px 0 0 var(--deep-gold),
        0 32px 0 0 var(--deep-gold),
        8px 32px 0 0 var(--deep-gold),
        16px 32px 0 0 var(--steel-blue),
        24px 32px 0 0 var(--deep-gold),
        32px 32px 0 0 var(--steel-blue),
        0 40px 0 0 var(--steel-blue),
        8px 40px 0 0 var(--deep-gold),
        16px 40px 0 0 var(--steel-blue),
        24px 40px 0 0 var(--deep-gold),
        32px 40px 0 0 var(--deep-gold);
}

.wg2 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--steel-blue),
        24px 0 0 0 var(--deep-gold),
        32px 0 0 0 var(--steel-blue),
        40px 0 0 0 var(--deep-gold),
        48px 0 0 0 var(--steel-blue),
        56px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--steel-blue),
        8px 8px 0 0 var(--deep-gold),
        16px 8px 0 0 var(--deep-gold),
        24px 8px 0 0 var(--steel-blue),
        32px 8px 0 0 var(--deep-gold),
        40px 8px 0 0 var(--steel-blue),
        48px 8px 0 0 var(--deep-gold),
        56px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--deep-gold),
        8px 16px 0 0 var(--steel-blue),
        16px 16px 0 0 var(--deep-gold),
        24px 16px 0 0 var(--deep-gold),
        32px 16px 0 0 var(--steel-blue),
        40px 16px 0 0 var(--deep-gold),
        48px 16px 0 0 var(--steel-blue),
        56px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--steel-blue),
        8px 24px 0 0 var(--deep-gold),
        16px 24px 0 0 var(--steel-blue),
        24px 24px 0 0 var(--deep-gold),
        32px 24px 0 0 var(--deep-gold),
        40px 24px 0 0 var(--steel-blue),
        48px 24px 0 0 var(--deep-gold),
        56px 24px 0 0 var(--steel-blue),
        0 32px 0 0 var(--deep-gold),
        8px 32px 0 0 var(--steel-blue),
        16px 32px 0 0 var(--deep-gold),
        24px 32px 0 0 var(--steel-blue),
        32px 32px 0 0 var(--deep-gold),
        40px 32px 0 0 var(--deep-gold),
        48px 32px 0 0 var(--steel-blue),
        56px 32px 0 0 var(--deep-gold),
        0 40px 0 0 var(--steel-blue),
        8px 40px 0 0 var(--deep-gold),
        16px 40px 0 0 var(--steel-blue),
        24px 40px 0 0 var(--deep-gold),
        32px 40px 0 0 var(--steel-blue),
        40px 40px 0 0 var(--deep-gold),
        48px 40px 0 0 var(--deep-gold),
        56px 40px 0 0 var(--steel-blue);
}

.wg3 {
    box-shadow:
        0 0 0 0 var(--steel-blue),
        8px 0 0 0 var(--deep-gold),
        16px 0 0 0 var(--steel-blue),
        24px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--deep-gold),
        8px 8px 0 0 var(--steel-blue),
        16px 8px 0 0 var(--deep-gold),
        24px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--steel-blue),
        8px 16px 0 0 var(--deep-gold),
        16px 16px 0 0 var(--steel-blue),
        24px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--deep-gold),
        8px 24px 0 0 var(--steel-blue),
        16px 24px 0 0 var(--deep-gold),
        24px 24px 0 0 var(--steel-blue),
        0 32px 0 0 var(--steel-blue),
        8px 32px 0 0 var(--deep-gold),
        16px 32px 0 0 var(--steel-blue),
        24px 32px 0 0 var(--deep-gold);
}

.wg4 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--deep-gold),
        24px 0 0 0 var(--steel-blue),
        32px 0 0 0 var(--deep-gold),
        40px 0 0 0 var(--steel-blue),
        48px 0 0 0 var(--deep-gold),
        56px 0 0 0 var(--steel-blue),
        64px 0 0 0 var(--deep-gold),
        72px 0 0 0 var(--steel-blue),
        80px 0 0 0 var(--deep-gold),
        88px 0 0 0 var(--steel-blue),
        96px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--steel-blue),
        8px 8px 0 0 var(--deep-gold),
        16px 8px 0 0 var(--steel-blue),
        24px 8px 0 0 var(--deep-gold),
        32px 8px 0 0 var(--steel-blue),
        40px 8px 0 0 var(--deep-gold),
        48px 8px 0 0 var(--steel-blue),
        56px 8px 0 0 var(--deep-gold),
        64px 8px 0 0 var(--steel-blue),
        72px 8px 0 0 var(--deep-gold),
        80px 8px 0 0 var(--steel-blue),
        88px 8px 0 0 var(--deep-gold),
        96px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--deep-gold),
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        16px 16px 0 0 var(--deep-gold),
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        96px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--steel-blue),
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        32px 24px 0 0 var(--steel-blue),
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        56px 24px 0 0 var(--deep-gold),
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        72px 24px 0 0 var(--deep-gold),
        80px 24px 0 0 var(--steel-blue),
        88px 24px 0 0 var(--deep-gold),
        96px 24px 0 0 var(--steel-blue),
        0 32px 0 0 var(--deep-gold),
        8px 32px 0 0 var(--steel-blue),
        16px 32px 0 0 var(--deep-gold),
        24px 32px 0 0 var(--steel-blue),
        32px 32px 0 0 var(--deep-gold),
        40px 32px 0 0 var(--steel-blue),
        48px 32px 0 0 var(--deep-gold),
        56px 32px 0 0 var(--steel-blue),
        64px 32px 0 0 var(--deep-gold),
        72px 32px 0 0 var(--steel-blue),
        80px 32px 0 0 var(--deep-gold),
        88px 32px 0 0 var(--steel-blue),
        96px 32px 0 0 var(--deep-gold);
}

.wg5 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--deep-gold),
        24px 0 0 0 var(--steel-blue),
        32px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--steel-blue),
        8px 8px 0 0 var(--deep-gold),
        16px 8px 0 0 var(--steel-blue),
        24px 8px 0 0 var(--deep-gold),
        32px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--deep-gold),
        8px 16px 0 0 var(--steel-blue),
        16px 16px 0 0 var(--deep-gold),
        24px 16px 0 0 var(--steel-blue),
        32px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--steel-blue),
        8px 24px 0 0 var(--deep-gold),
        16px 24px 0 0 var(--steel-blue),
        24px 24px 0 0 var(--deep-gold),
        32px 24px 0 0 var(--steel-blue),
        0 32px 0 0 var(--deep-gold),
        8px 32px 0 0 var(--steel-blue),
        16px 32px 0 0 var(--deep-gold),
        24px 32px 0 0 var(--steel-blue),
        32px 32px 0 0 var(--deep-gold),
        0 40px 0 0 var(--steel-blue),
        8px 40px 0 0 var(--deep-gold),
        16px 40px 0 0 var(--steel-blue),
        24px 40px 0 0 var(--deep-gold),
        32px 40px 0 0 var(--steel-blue);
}

.wg6 {
    box-shadow:
        0 0 0 0 var(--steel-blue),
        8px 0 0 0 var(--deep-gold),
        16px 0 0 0 var(--steel-blue),
        24px 0 0 0 var(--deep-gold),
        32px 0 0 0 var(--steel-blue),
        40px 0 0 0 var(--deep-gold),
        48px 0 0 0 var(--steel-blue),
        56px 0 0 0 var(--deep-gold),
        64px 0 0 0 var(--steel-blue),
        72px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--deep-gold),
        8px 8px 0 0 var(--steel-blue),
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        32px 8px 0 0 var(--deep-gold),
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        56px 8px 0 0 var(--steel-blue),
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        72px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--steel-blue),
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        56px 16px 0 0 var(--deep-gold),
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        72px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--deep-gold),
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        16px 24px 0 0 var(--deep-gold),
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        48px 24px 0 0 var(--deep-gold),
        56px 24px 0 0 var(--steel-blue),
        64px 24px 0 0 var(--deep-gold),
        72px 24px 0 0 var(--steel-blue);
}

.wg7 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--steel-blue),
        8px 8px 0 0 var(--deep-gold),
        16px 8px 0 0 var(--steel-blue),
        0 16px 0 0 var(--deep-gold),
        8px 16px 0 0 var(--steel-blue),
        16px 16px 0 0 var(--deep-gold),
        0 24px 0 0 var(--steel-blue),
        8px 24px 0 0 var(--deep-gold),
        16px 24px 0 0 var(--steel-blue),
        0 32px 0 0 var(--deep-gold),
        8px 32px 0 0 var(--steel-blue),
        16px 32px 0 0 var(--deep-gold);
}

.wg8 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--deep-gold),
        24px 0 0 0 var(--steel-blue),
        32px 0 0 0 var(--deep-gold),
        40px 0 0 0 var(--steel-blue),
        48px 0 0 0 var(--deep-gold),
        56px 0 0 0 var(--steel-blue),
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        72px 0 0 0 var(--steel-blue),
        80px 0 0 0 var(--deep-gold),
        0 8px 0 0 var(--steel-blue),
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        16px 8px 0 0 var(--steel-blue),
        24px 8px 0 0 var(--deep-gold),
        32px 8px 0 0 var(--steel-blue),
        40px 8px 0 0 var(--deep-gold),
        48px 8px 0 0 var(--steel-blue),
        56px 8px 0 0 var(--deep-gold),
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        80px 24px 0 0 var(--steel-blue),
        0 32px 0 0 var(--deep-gold),
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        16px 32px 0 0 var(--deep-gold),
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        32px 32px 0 0 var(--deep-gold),
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        48px 32px 0 0 var(--deep-gold),
        56px 32px 0 0 var(--steel-blue),
        64px 32px 0 0 var(--deep-gold),
        72px 32px 0 0 var(--steel-blue),
        80px 32px 0 0 var(--deep-gold);
}

.wg9 {
    box-shadow:
        0 0 0 0 var(--deep-gold),
        8px 0 0 0 var(--steel-blue),
        16px 0 0 0 var(--deep-gold),
        24px 0 0 0 var(--steel-blue),
        0 8px 0 0 var(--steel-blue),
        8px 8px 0 0 var(--deep-gold),
        16px 8px 0 0 var(--steel-blue),
        24px 8px 0 0 var(--deep-gold),
        0 16px 0 0 var(--deep-gold),
        8px 16px 0 0 var(--steel-blue),
        16px 16px 0 0 var(--deep-gold),
        24px 16px 0 0 var(--steel-blue),
        0 24px 0 0 var(--steel-blue),
        8px 24px 0 0 var(--deep-gold),
        16px 24px 0 0 var(--steel-blue),
        24px 24px 0 0 var(--deep-gold),
        0 32px 0 0 var(--deep-gold),
        8px 32px 0 0 var(--steel-blue),
        16px 32px 0 0 var(--deep-gold),
        24px 32px 0 0 var(--steel-blue);
}

.wg10 {
    box-shadow:
        0 0 0 0 var(--steel-blue),
        8px 0 0 0 var(--deep-gold),
        16px 0 0 0 var(--steel-blue),
        24px 0 0 0 var(--deep-gold),
        32px 0 0 0 var(--steel-blue),
        40px 0 0 0 var(--deep-gold),
        48px 0 0 0 var(--steel-blue),
        0 8px 0 0 var(--deep-gold),
        8px 8px 0 0 var(--steel-blue),
        16px 8px 0 0 var(--deep-gold),
        24px 8px 0 0 var(--steel-blue),
        32px 8px 0 0 var(--deep-gold),
        40px 8px 0 0 var(--steel-blue),
        48px 8px 0 0 var(--deep-gold),
        0 16px 0 0 var(--steel-blue),
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        24px 16px 0 0 var(--deep-gold),
        32px 16px 0 0 var(--steel-blue),
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        48px 16px 0 0 var(--steel-blue),
        0 24px 0 0 var(--deep-gold),
        8px 24px 0 0 var(--steel-blue),
        16px 24px 0 0 var(--deep-gold),
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        32px 24px 0 0 var(--deep-gold),
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        48px 24px 0 0 var(--deep-gold),
        0 32px 0 0 var(--steel-blue),
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        16px 32px 0 0 var(--steel-blue),
        24px 32px 0 0 var(--deep-gold),
        32px 32px 0 0 var(--steel-blue),
        40px 32px 0 0 var(--deep-gold),
        48px 32px 0 0 var(--steel-blue);
}

/* Building decorations */
.water-tower {
    position: absolute;
    top: -24px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--steel-blue);
    border-top: 4px solid var(--brick);
}

.water-tower::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 4px;
    width: 4px;
    height: 8px;
    background: var(--steel-blue);
}

.water-tower::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 4px;
    width: 4px;
    height: 8px;
    background: var(--steel-blue);
}

.antenna {
    position: absolute;
    top: -32px;
    left: 50%;
    width: 4px;
    height: 32px;
    background: var(--steel-blue);
}

.antenna::before {
    content: '';
    position: absolute;
    top: 0;
    left: -4px;
    width: 12px;
    height: 4px;
    background: var(--signal-green);
    animation: blink 2s infinite;
}

.antenna-sm {
    height: 20px;
    top: -20px;
}

.antenna-sm::before {
    width: 8px;
    left: -2px;
}

.rooftop-garden {
    position: absolute;
    top: -8px;
    left: 12px;
    width: 80px;
    height: 8px;
    background: #2a4a2a;
}

@keyframes blink {
    0%, 90% { opacity: 1; }
    95% { opacity: 0; }
    100% { opacity: 1; }
}

/* --- Street Level --- */
.street-level {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: var(--primary-dark);
    z-index: 3;
    display: flex;
    align-items: flex-end;
    padding: 0 20%;
}

/* Street-level pavement line */
.street-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary-dark);
}

/* Lamppost */
.lamppost {
    position: absolute;
    bottom: 0;
    left: 40%;
    width: 4px;
    height: 100px;
    background: var(--sand);
    z-index: 5;
}

.lamppost::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 20px;
    height: 8px;
    background: var(--deep-gold);
}

.lamp-light {
    position: absolute;
    top: -4px;
    left: -60px;
    width: 124px;
    height: 140px;
    background: radial-gradient(ellipse at top center, rgba(184, 150, 62, 0.3) 0%, rgba(184, 150, 62, 0.1) 35%, transparent 65%);
    pointer-events: none;
    z-index: 4;
}

.pixel-hydrant {
    position: absolute;
    bottom: 0;
    left: 25%;
    width: 12px;
    height: 20px;
    background: var(--brick);
    border-top: 4px solid #a05a4a;
}

.pixel-hydrant::before {
    content: '';
    position: absolute;
    top: 4px;
    left: -4px;
    width: 20px;
    height: 4px;
    background: var(--brick);
}

.pixel-mailbox {
    position: absolute;
    bottom: 0;
    right: 30%;
    width: 16px;
    height: 24px;
    background: var(--steel-blue);
    border-top: 4px solid #5a7b9a;
}

.pixel-mailbox::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 4px;
    width: 8px;
    height: 2px;
    background: var(--primary-dark);
}

/* Manhole cover */
.manhole {
    position: absolute;
    bottom: 4px;
    left: 55%;
    width: 20px;
    height: 4px;
    background: var(--steel-blue);
    opacity: 0.4;
}

.manhole::before {
    content: '';
    position: absolute;
    top: 0;
    left: 4px;
    width: 4px;
    height: 4px;
    background: var(--primary-dark);
    box-shadow: 8px 0 0 0 var(--primary-dark);
}

/* Subway sign */
.subway-sign {
    position: absolute;
    bottom: 0;
    right: 15%;
    width: 4px;
    height: 40px;
    background: var(--sand);
}

.subway-sign::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 20px;
    height: 12px;
    background: var(--signal-green);
}

/* --- Street Title --- */
.street-title {
    position: absolute;
    bottom: 140px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
}

.site-title {
    font-size: clamp(3rem, 6vw, 5rem);
    color: var(--parchment);
    text-shadow: 0 0 40px rgba(184, 150, 62, 0.4);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--spring-curve), transform 0.8s var(--spring-curve);
}

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

.site-tagline {
    font-size: 14px;
    color: var(--signal-green);
    letter-spacing: 0.3em;
    margin-top: 12px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--spring-curve) 0.3s, transform 0.8s var(--spring-curve) 0.3s;
}

.site-tagline.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Rain --- */
#rain-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 20;
    overflow: hidden;
}

.raindrop {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--steel-blue);
    opacity: 0.5;
}

/* --- Pixel Taxi --- */
#pixel-taxi {
    position: absolute;
    bottom: 8px;
    left: -60px;
    width: 40px;
    height: 16px;
    background: var(--deep-gold);
    z-index: 25;
    animation: taxi-drive 18s linear infinite;
}

#pixel-taxi::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 8px;
    width: 20px;
    height: 8px;
    background: var(--deep-gold);
}

#pixel-taxi::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 4px;
    width: 8px;
    height: 4px;
    background: var(--primary-dark);
    box-shadow: 20px 0 0 0 var(--primary-dark);
}

@keyframes taxi-drive {
    0% { left: -60px; }
    100% { left: calc(100vw + 60px); }
}

/* ============================================================
   PANEL 2: THE FACADE
   ============================================================ */
#panel-facade {
    background: var(--primary-dark);
}

.panel-facade-content {
    flex-direction: column;
}

.facade-building {
    position: relative;
    display: flex;
    align-items: flex-end;
}

/* Isometric front face */
.facade-front {
    width: 340px;
    height: 420px;
    background: var(--secondary-dark);
    position: relative;
    z-index: 2;
}

/* Isometric side face */
.facade-side {
    width: 80px;
    height: 420px;
    background: var(--steel-blue);
    transform: skewY(-20deg);
    transform-origin: bottom left;
    position: relative;
    z-index: 1;
}

/* Isometric top face */
.facade-top {
    position: absolute;
    top: -40px;
    left: 0;
    width: 340px;
    height: 40px;
    background: var(--brick);
    transform: skewX(-30deg);
    transform-origin: bottom left;
    z-index: 3;
}

/* Facade windows */
.facade-windows {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 20px;
    padding-bottom: 0;
}

.facade-window {
    width: 56px;
    height: 48px;
    background: var(--steel-blue);
    position: relative;
}

/* Window arch decoration */
.facade-window::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--steel-blue);
    opacity: 0.5;
}

.facade-window.fw-lit {
    background: var(--deep-gold);
    box-shadow: 0 0 12px rgba(184, 150, 62, 0.3);
    animation: window-flicker 4s infinite alternate;
}

.facade-window.fw-lit::before {
    background: var(--deep-gold);
    opacity: 0.7;
}

@keyframes window-flicker {
    0%, 80% { opacity: 1; }
    85% { opacity: 0.6; }
    90% { opacity: 1; }
    95% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Facade arches (decorative keystones) */
.facade-arch {
    position: absolute;
    width: 12px;
    height: 8px;
    background: var(--brick);
}

.arch-1 {
    top: 8px;
    left: 30px;
}

.arch-2 {
    top: 8px;
    right: 30px;
}

/* Entrance */
.facade-entrance {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    text-align: center;
}

.facade-awning {
    width: 140px;
    height: 20px;
    background: var(--brick);
    margin-left: -10px;
    position: relative;
}

.facade-awning::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 8px;
    background: repeating-linear-gradient(
        90deg,
        var(--brick) 0px,
        var(--brick) 4px,
        #6a3a2a 4px,
        #6a3a2a 8px
    );
}

.facade-door {
    width: 60px;
    height: 80px;
    background: var(--deep-gold);
    margin: 0 auto;
    position: relative;
}

.facade-door::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--parchment);
}

.facade-door::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    height: 24px;
    background: rgba(11, 14, 19, 0.3);
}

.facade-text {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    text-align: center;
    color: var(--parchment);
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    opacity: 0;
    transition: opacity 0.8s var(--spring-curve), transform 0.8s var(--spring-curve);
}

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

/* Doorman */
#doorman {
    position: absolute;
    bottom: calc(50% - 210px);
    left: calc(50% - 210px);
    z-index: 5;
}

.doorman-body {
    width: 16px;
    height: 24px;
    background: var(--secondary-dark);
    position: relative;
    animation: doorman-idle 1.5s steps(3) infinite;
}

.doorman-body::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 2px;
    width: 12px;
    height: 12px;
    background: var(--sand);
}

.doorman-body::after {
    content: '';
    position: absolute;
    top: -12px;
    left: 4px;
    width: 8px;
    height: 4px;
    background: var(--deep-gold);
}

/* Parking meter */
.parking-meter {
    position: absolute;
    bottom: calc(50% - 210px);
    right: calc(50% - 240px);
    width: 4px;
    height: 32px;
    background: var(--sand);
    z-index: 5;
}

.parking-meter::before {
    content: '';
    position: absolute;
    top: 0;
    left: -4px;
    width: 12px;
    height: 12px;
    background: var(--steel-blue);
}

.parking-meter::after {
    content: '';
    position: absolute;
    top: 4px;
    left: -2px;
    width: 4px;
    height: 4px;
    background: var(--signal-green);
}

@keyframes doorman-idle {
    0% { transform: translateY(0); }
    33% { transform: translateY(-2px); }
    66% { transform: translateY(0); }
    100% { transform: translateY(1px); }
}

/* ============================================================
   PANEL 3: THE LOBBY
   ============================================================ */
#panel-lobby {
    background: var(--secondary-dark);
}

.panel-lobby-content {
    flex-direction: row;
    padding: 0 5vw;
    gap: 40px;
}

/* Herringbone floor */
.lobby-floor {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: repeating-conic-gradient(
        var(--secondary-dark) 0% 25%,
        var(--primary-dark) 0% 50%
    ) 0 0 / 20px 20px;
    z-index: 1;
}

/* Mailbox wall */
.mailbox-wall {
    position: absolute;
    left: 5vw;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.mailbox-grid {
    display: grid;
    grid-template-columns: repeat(12, 16px);
    grid-template-rows: repeat(8, 16px);
    gap: 2px;
}

.mailbox-cell {
    width: 16px;
    height: 16px;
    background: var(--primary-dark);
    border: 1px solid var(--steel-blue);
    position: relative;
}

.mailbox-cell::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 2px;
    background: var(--deep-gold);
}

.mailbox-label {
    margin-top: 8px;
    font-size: 12px;
    color: var(--steel-blue);
    letter-spacing: 0.2em;
    text-align: center;
}

/* Reception desk */
.reception-desk {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.desk-top {
    width: 160px;
    height: 8px;
    background: var(--deep-gold);
}

.desk-front {
    width: 160px;
    height: 80px;
    background: var(--brick);
    border-bottom: 4px solid #6a3a2a;
}

.desk-lamp {
    position: absolute;
    top: -20px;
    right: 12px;
    width: 4px;
    height: 16px;
    background: var(--sand);
}

.desk-lamp::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    width: 12px;
    height: 4px;
    background: var(--deep-gold);
    box-shadow: 0 0 12px rgba(184, 150, 62, 0.4);
}

/* Lobby text */
.lobby-text {
    position: absolute;
    right: 8vw;
    top: 50%;
    transform: translateY(-50%);
    max-width: 400px;
    z-index: 3;
}

.lobby-heading {
    margin-bottom: 4px;
    color: var(--deep-gold);
}

.lobby-description {
    color: var(--sand);
    line-height: 1.7;
}

.lobby-description .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--spring-curve), transform 0.6s var(--spring-curve);
}

.lobby-description .word.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   PANEL 4: THE SORTING ROOM
   ============================================================ */
#panel-sorting {
    background: var(--primary-dark);
}

.panel-sorting-content {
    flex-direction: column;
    padding: 0 8vw;
}

/* Tube system */
.tube-system {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.tube {
    position: absolute;
    background: rgba(26, 31, 46, 0.6);
    border: 2px solid var(--steel-blue);
}

.tube-h {
    height: 20px;
}

.tube-v {
    width: 20px;
}

.tube-1 { top: 12%; left: 5%; width: 40%; }
.tube-2 { top: 12%; left: 45%; height: 28%; }
.tube-3 { top: 40%; left: 15%; width: 55%; }
.tube-4 { top: 40%; right: 10%; height: 30%; }
.tube-5 { top: 70%; left: 10%; width: 45%; }
.tube-6 { top: 12%; right: 25%; height: 58%; }
.tube-7 { top: 70%; right: 25%; width: 30%; }

.tube-junction {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--steel-blue);
    z-index: 2;
}

.tj-1 { top: calc(12% - 2px); left: calc(45% - 2px); }
.tj-2 { top: calc(40% - 2px); left: calc(15% - 2px); }
.tj-3 { top: calc(40% - 2px); right: calc(10% - 2px); }
.tj-4 { top: calc(70% - 2px); left: calc(10% - 2px); }
.tj-5 { top: calc(40% - 2px); right: calc(25% - 2px); }
.tj-6 { top: calc(70% - 2px); right: calc(25% - 2px); }

/* Capsules */
.capsule {
    position: absolute;
    width: 8px;
    height: 16px;
    background: var(--signal-green);
    z-index: 3;
    box-shadow: 0 0 8px rgba(0, 255, 178, 0.4);
}

.capsule-1 {
    top: calc(12% + 2px);
    animation: capsule-move-1 6s linear infinite;
}

.capsule-2 {
    top: calc(40% + 2px);
    animation: capsule-move-2 8s linear infinite 2s;
}

.capsule-3 {
    top: calc(70% + 2px);
    animation: capsule-move-3 7s linear infinite 4s;
}

.capsule-4 {
    left: calc(75% - 2px);
    width: 16px;
    height: 8px;
    animation: capsule-move-4 5s linear infinite 1s;
}

@keyframes capsule-move-1 {
    0% { left: 5%; }
    100% { left: 45%; }
}

@keyframes capsule-move-2 {
    0% { left: 15%; }
    100% { left: 70%; }
}

@keyframes capsule-move-3 {
    0% { left: 10%; }
    100% { left: 55%; }
}

@keyframes capsule-move-4 {
    0% { top: 12%; }
    100% { top: 70%; }
}

/* Sorting text */
.sorting-text {
    position: relative;
    z-index: 4;
    max-width: 600px;
    text-align: center;
}

.sorting-heading {
    margin-bottom: 4px;
    color: var(--parchment);
}

.sorting-blocks {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sorting-block {
    color: var(--sand);
    padding: 20px;
    background: rgba(26, 31, 46, 0.85);
    border-left: 4px solid var(--signal-green);
    text-align: left;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--spring-curve), transform 0.6s var(--spring-curve);
}

.sorting-block.visible {
    opacity: 1;
    transform: translateY(0);
}

.sorting-block.sb-2 {
    transition-delay: 0.15s;
}

.sorting-block.sb-3 {
    transition-delay: 0.3s;
}

/* ============================================================
   PANEL 5: THE ARCHIVE
   ============================================================ */
#panel-archive {
    background: var(--secondary-dark);
}

.panel-archive-content {
    flex-direction: column;
    padding: 0 8vw;
    gap: 40px;
}

/* Filing cabinets */
.archive-cabinets {
    display: flex;
    gap: 8px;
    z-index: 2;
}

.cabinet {
    width: 64px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--steel-blue);
    padding: 4px;
}

.drawer {
    height: 32px;
    background: var(--primary-dark);
    position: relative;
    border: 2px solid var(--steel-blue);
}

.drawer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 4px;
    background: var(--deep-gold);
}

.drawer-open {
    background: var(--brick);
    border-color: var(--deep-gold);
    padding: 4px;
    display: flex;
    gap: 2px;
    align-items: flex-start;
}

.drawer-open::before {
    display: none;
}

.doc-icon {
    width: 12px;
    height: 16px;
    background: var(--parchment);
    position: relative;
}

.doc-icon::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 4px;
    background: var(--sand);
}

/* Archive columns */
.archive-columns {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    z-index: 2;
    max-width: 700px;
}

.archive-col {
    flex: 1;
}

.archive-heading {
    margin-bottom: 4px;
    color: var(--deep-gold);
    font-size: clamp(1.2rem, 2vw, 1.8rem);
}

.archive-text {
    color: var(--sand);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--spring-curve), transform 0.6s var(--spring-curve);
}

.archive-text.visible {
    opacity: 1;
    transform: translateY(0);
}

.archive-text.at-right {
    transition-delay: 0.2s;
}

.archive-divider {
    width: 2px;
    height: 200px;
    background: repeating-linear-gradient(
        to bottom,
        var(--deep-gold) 0px,
        var(--deep-gold) 4px,
        transparent 4px,
        transparent 8px
    );
    flex-shrink: 0;
    align-self: center;
}

/* ============================================================
   PANEL 6: THE ROOFTOP
   ============================================================ */
#panel-rooftop {
    background: var(--primary-dark);
}

.panel-rooftop-content {
    flex-direction: column;
    position: relative;
}

/* Stars */
.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    z-index: 0;
    pointer-events: none;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--parchment);
    animation: star-twinkle 3s ease-in-out infinite alternate;
}

@keyframes star-twinkle {
    0% { opacity: 0.2; }
    100% { opacity: 0.8; }
}

/* Rooftop skyline (from above) */
.rooftop-skyline {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 100%;
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 8px;
    z-index: 1;
    opacity: 0.35;
}

.rooftop-building {
    background: var(--secondary-dark);
}

.rb1 { width: 60px; height: 80px; }
.rb2 { width: 100px; height: 120px; }
.rb3 { width: 48px; height: 60px; }
.rb4 { width: 140px; height: 160px; }
.rb5 { width: 72px; height: 100px; }
.rb6 { width: 88px; height: 140px; }
.rb7 { width: 44px; height: 72px; }
.rb8 { width: 64px; height: 96px; }

/* Rooftop building windows hint */
.rooftop-building::before {
    content: '';
    display: block;
    width: 4px;
    height: 4px;
    margin: 8px;
    box-shadow:
        0 0 0 0 rgba(184, 150, 62, 0.3),
        8px 0 0 0 rgba(74, 107, 138, 0.3),
        16px 0 0 0 rgba(184, 150, 62, 0.3),
        0 8px 0 0 rgba(74, 107, 138, 0.3),
        8px 8px 0 0 rgba(184, 150, 62, 0.3),
        16px 8px 0 0 rgba(74, 107, 138, 0.3);
}

/* Telescope */
.telescope {
    position: absolute;
    bottom: 80px;
    right: 20%;
    width: 8px;
    height: 40px;
    background: var(--sand);
    z-index: 3;
}

.telescope::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -12px;
    width: 32px;
    height: 12px;
    background: var(--steel-blue);
    transform: rotate(-15deg);
}

.telescope::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: -8px;
    width: 24px;
    height: 4px;
    background: var(--steel-blue);
}

/* Railing */
.rooftop-railing {
    position: absolute;
    bottom: 60px;
    left: 0;
    width: 100%;
    height: 20px;
    z-index: 2;
    background: repeating-linear-gradient(
        90deg,
        var(--steel-blue) 0px,
        var(--steel-blue) 4px,
        transparent 4px,
        transparent 20px
    );
    border-top: 4px solid var(--steel-blue);
}

/* Rooftop text */
.rooftop-text {
    position: relative;
    z-index: 4;
    text-align: center;
    max-width: 500px;
}

.rooftop-heading {
    margin-bottom: 16px;
    color: var(--parchment);
    font-size: clamp(1.6rem, 3vw, 2.8rem);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--spring-curve), transform 0.8s var(--spring-curve);
}

.rooftop-heading.visible {
    opacity: 1;
    transform: translateY(0);
}

.rooftop-subtext {
    color: var(--sand);
    margin-bottom: 32px;
    font-size: 14px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--spring-curve) 0.2s, transform 0.8s var(--spring-curve) 0.2s;
}

.rooftop-subtext.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Telegram form */
.telegram-form {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--spring-curve) 0.4s, transform 0.8s var(--spring-curve) 0.4s;
}

.telegram-form.visible {
    opacity: 1;
    transform: translateY(0);
}

.telegram-field {
    display: flex;
    gap: 0;
}

.telegram-input {
    font-family: 'Silkscreen', monospace;
    font-size: 14px;
    padding: 12px 16px;
    background: var(--primary-dark);
    color: var(--signal-green);
    border: 2px solid var(--steel-blue);
    border-right: none;
    outline: none;
    width: 300px;
}

.telegram-input::placeholder {
    color: var(--steel-blue);
}

.telegram-input:focus {
    border-color: var(--signal-green);
}

.telegram-submit {
    font-family: 'Silkscreen', monospace;
    font-size: 14px;
    padding: 12px 24px;
    background: var(--signal-green);
    color: var(--primary-dark);
    border: 2px solid var(--signal-green);
    cursor: pointer;
    transition: transform 0.3s var(--spring-curve), background 0.3s;
}

.telegram-submit:hover {
    transform: scale(1.08);
    background: #33ffcc;
}

.telegram-border {
    width: 100%;
    height: 4px;
    margin-top: 8px;
    background: repeating-linear-gradient(
        90deg,
        var(--deep-gold) 0px,
        var(--deep-gold) 4px,
        transparent 4px,
        transparent 8px
    );
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
#progress-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--secondary-dark);
    z-index: 100;
}

#progress-fill {
    height: 100%;
    width: 0%;
    background: var(--signal-green);
    transition: width 0.15s var(--spring-curve);
    background-image: repeating-linear-gradient(
        90deg,
        var(--signal-green) 0px,
        var(--signal-green) 2px,
        rgba(0, 255, 178, 0.6) 2px,
        rgba(0, 255, 178, 0.6) 4px
    );
}

/* ============================================================
   SCROLL ARROWS
   ============================================================ */
.scroll-arrow {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--signal-green);
    z-index: 100;
    cursor: pointer;
    opacity: 0.6;
    animation: arrow-pulse 2s ease-in-out infinite;
    transition: opacity 0.3s;
    user-select: none;
}

.scroll-arrow:hover {
    opacity: 1;
}

#scroll-arrow-left {
    left: 16px;
}

#scroll-arrow-right {
    right: 16px;
}

@keyframes arrow-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* ============================================================
   DITHERED PANEL TRANSITIONS
   ============================================================ */
.panel::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 100%;
    z-index: 50;
    pointer-events: none;
}

#panel-street::after {
    background: repeating-conic-gradient(
        var(--primary-dark) 0% 25%,
        transparent 0% 50%
    ) 0 0 / 4px 4px;
}

#panel-facade::after {
    background: repeating-conic-gradient(
        var(--primary-dark) 0% 25%,
        var(--secondary-dark) 0% 50%
    ) 0 0 / 4px 4px;
}

#panel-lobby::after {
    background: repeating-conic-gradient(
        var(--secondary-dark) 0% 25%,
        var(--primary-dark) 0% 50%
    ) 0 0 / 4px 4px;
}

#panel-sorting::after {
    background: repeating-conic-gradient(
        var(--primary-dark) 0% 25%,
        var(--secondary-dark) 0% 50%
    ) 0 0 / 4px 4px;
}

#panel-archive::after {
    background: repeating-conic-gradient(
        var(--secondary-dark) 0% 25%,
        var(--primary-dark) 0% 50%
    ) 0 0 / 4px 4px;
}

/* ============================================================
   GENERAL ANIMATION CLASSES
   ============================================================ */
.spring-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--spring-curve), transform 0.6s var(--spring-curve);
}

.spring-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.5s var(--spring-curve), transform 0.5s var(--spring-curve);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}