:root {
    --parchment: #f3ead7;
    --parchment-light: #fffaf0;
    --parchment-dark: #d7c5a5;

    --ink: #2d2118;
    --ink-soft: #66513d;

    --brown: #49321f;
    --leather: #5e3a20;

    --brass: #a77a25;
    --brass-light: #d4ae59;
    --brass-dark: #715019;

    --ocean: #245261;
    --ocean-light: #3c7180;

    --shadow: rgba(51, 34, 20, 0.18);
}


* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;
    min-width: 320px;

    color: var(--ink);

    background:
        radial-gradient(
            circle at 50% 0%,
            rgba(255, 255, 255, 0.85),
            transparent 42%
        ),
        linear-gradient(
            145deg,
            var(--parchment-light),
            var(--parchment)
        );

    font-family: Georgia, "Times New Roman", serif;
}


/* Header */

.site-header {
    min-height: 190px;
    padding: 30px 6%;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 34px;

    background:
        linear-gradient(
            rgba(255, 250, 240, 0.92),
            rgba(243, 234, 215, 0.94)
        );

    border-bottom: 3px double rgba(113, 80, 25, 0.45);
}


.header-logo {
    width: min(220px, 32vw);
    max-height: 150px;
    object-fit: contain;

    filter: drop-shadow(0 10px 8px rgba(51, 34, 20, 0.16));
}


.brand-text {
    max-width: 760px;
}


.eyebrow {
    margin: 0 0 8px;

    color: var(--brass-dark);

    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 4px;
    text-transform: uppercase;
}


.site-header h1 {
    margin: 0;

    color: var(--brown);

    font-size: clamp(34px, 6vw, 72px);
    font-weight: normal;
    letter-spacing: 5px;
    line-height: 1;
    text-transform: uppercase;
}


.tagline {
    margin: 15px 0 0;

    color: var(--ocean);

    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(13px, 2vw, 17px);
    letter-spacing: 4px;
    text-transform: uppercase;
}


/* Main map area */

.map-section {
    position: relative;
    min-height: 920px;
    padding: 55px 5% 70px;
    overflow: hidden;

    background:
        radial-gradient(
            circle at 50% 45%,
            rgba(255, 252, 243, 0.84),
            rgba(241, 228, 203, 0.76) 55%,
            rgba(210, 187, 149, 0.72)
        ),
        repeating-linear-gradient(
            4deg,
            rgba(94, 58, 32, 0.018) 0,
            rgba(94, 58, 32, 0.018) 1px,
            transparent 1px,
            transparent 5px
        );

    border-bottom: 3px double rgba(113, 80, 25, 0.4);
}


.map-section::before,
.map-section::after {
    content: "";
    position: absolute;
    pointer-events: none;
}


.map-section::before {
    inset: 0;

    background:
        radial-gradient(
            ellipse at 16% 30%,
            transparent 0 20%,
            rgba(113, 80, 25, 0.09) 20.3% 20.7%,
            transparent 21%
        ),
        radial-gradient(
            ellipse at 81% 57%,
            transparent 0 17%,
            rgba(113, 80, 25, 0.08) 17.3% 17.7%,
            transparent 18%
        );

    opacity: 0.8;
}


.map-section::after {
    inset: 22px;

    border: 1px solid rgba(113, 80, 25, 0.28);
    box-shadow:
        inset 0 0 65px rgba(85, 56, 27, 0.16);
}


/* Decorative map route marks */

.map-decoration {
    position: absolute;

    width: 320px;
    height: 170px;

    border: 2px dashed rgba(113, 80, 25, 0.18);
    border-radius: 50%;

    pointer-events: none;
}


.map-decoration-left {
    top: 180px;
    left: -130px;
    transform: rotate(15deg);
}


.map-decoration-right {
    right: -120px;
    bottom: 110px;
    transform: rotate(-18deg);
}


/* Compass rose */

.compass-rose {
    position: absolute;
    top: 150px;
    right: 6%;

    width: 115px;
    height: 115px;

    color: rgba(113, 80, 25, 0.28);

    border: 2px solid currentColor;
    border-radius: 50%;

    pointer-events: none;
}


.compass-rose::before,
.compass-rose::after {
    content: "";
    position: absolute;
    background: currentColor;
}


.compass-rose::before {
    top: 7px;
    bottom: 7px;
    left: 50%;

    width: 1px;
}


.compass-rose::after {
    top: 50%;
    left: 7px;
    right: 7px;

    height: 1px;
}


.compass-diamond {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 56px;
    height: 56px;

    border: 2px solid currentColor;

    transform: translate(-50%, -50%) rotate(45deg);
}


.compass-rose span {
    position: absolute;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: bold;
}


.compass-north {
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
}


.compass-east {
    top: 50%;
    right: -16px;
    transform: translateY(-50%);
}


.compass-south {
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
}


.compass-west {
    top: 50%;
    left: -18px;
    transform: translateY(-50%);
}


/* Search preview */

.search-preview {
    position: relative;
    z-index: 4;

    width: min(760px, 100%);
    margin: 0 auto 36px;

    text-align: center;
}


.search-preview label {
    display: block;
    margin-bottom: 13px;

    color: var(--brown);

    font-size: 17px;
    font-variant: small-caps;
    font-weight: bold;
    letter-spacing: 3px;
}


.search-box {
    display: flex;

    padding: 7px;

    background: rgba(255, 250, 239, 0.92);

    border: 1px solid var(--brass);
    border-radius: 4px;

    box-shadow:
        0 10px 25px var(--shadow),
        inset 0 0 0 3px rgba(212, 174, 89, 0.13);
}


.search-box input {
    width: 100%;
    min-width: 0;
    padding: 15px 17px;

    color: var(--ink);

    background: transparent;
    border: 0;
    outline: none;

    font-family: Georgia, "Times New Roman", serif;
    font-size: 18px;
}


.search-box button {
    padding: 12px 25px;

    color: var(--parchment-light);

    background:
        linear-gradient(
            var(--brass-light),
            var(--brass-dark)
        );

    border: 1px solid var(--brass-dark);
    border-radius: 3px;

    font-family: Georgia, "Times New Roman", serif;
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 1px;
}


.search-box button:disabled {
    cursor: default;
    opacity: 1;
}


/* Search map */

.network-demo {
    position: relative;
    z-index: 3;

    width: min(1100px, 100%);
    height: 550px;
    margin: 0 auto;
}


.connections {
    position: absolute;
    inset: 0;

    width: 100%;
    height: 100%;

    overflow: visible;
    pointer-events: none;
}


.connections line {
    stroke: var(--brass-dark);
    stroke-width: 2;
    stroke-dasharray: 7 9;
    opacity: 0.38;

    transition:
        opacity 0.4s ease,
        stroke-width 0.4s ease;
}


.connections line.active {
    stroke: var(--brass);
    stroke-width: 3;
    opacity: 0.9;

    animation: routeMove 0.8s linear infinite;
}


@keyframes routeMove {
    to {
        stroke-dashoffset: -32;
    }
}


/* Marketplace map plaques */

.market-node {
    position: absolute;

    width: min(230px, 27%);
    min-height: 115px;
    padding: 17px;

    text-align: center;

    background:
        linear-gradient(
            145deg,
            rgba(255, 250, 239, 0.97),
            rgba(231, 215, 184, 0.95)
        );

    border: 1px solid var(--brass);
    border-radius: 3px;

    box-shadow:
        0 8px 20px var(--shadow),
        inset 0 0 0 4px rgba(167, 122, 37, 0.08);

    transition:
        transform 0.4s ease,
        box-shadow 0.4s ease,
        border-color 0.4s ease;
}


.market-node::before,
.market-node::after {
    content: "◆";
    position: absolute;
    top: 50%;

    color: var(--brass);
    font-size: 9px;

    transform: translateY(-50%);
}


.market-node::before {
    left: 7px;
}


.market-node::after {
    right: 7px;
}


.market-node.active {
    border-color: var(--brass-light);

    transform: translateY(-4px);

    box-shadow:
        0 12px 28px rgba(51, 34, 20, 0.23),
        0 0 0 4px rgba(212, 174, 89, 0.16),
        inset 0 0 0 4px rgba(167, 122, 37, 0.12);
}


.market-name {
    margin: 0 0 7px;

    color: var(--brown);

    font-size: 20px;
    font-weight: bold;
}


.market-detail {
    margin: 0 0 10px;

    color: var(--ink-soft);

    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}


.market-status {
    margin: 0;

    color: var(--ocean);

    font-family: "Courier New", monospace;
    font-size: 12px;
    font-weight: bold;
}


.ebay {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}


.ebay.active {
    transform: translateX(-50%) translateY(-4px);
}


.facebook {
    top: 215px;
    left: 0;
}


.craigslist {
    top: 215px;
    right: 0;
}


.offerup {
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
}


.offerup.active {
    transform: translateX(-50%) translateY(-4px);
}


/* Center logo */

.central-logo {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 320px;

    text-align: center;

    transform: translate(-50%, -50%);
}


.central-logo img {
    position: relative;
    z-index: 2;

    display: block;

    width: 100%;
    max-height: 220px;
    margin: 0 auto;

    object-fit: contain;

    filter: drop-shadow(0 15px 12px rgba(51, 34, 20, 0.26));
}


.central-logo p {
    position: relative;
    z-index: 2;

    display: inline-block;
    margin: 5px 0 0;
    padding: 7px 17px;

    color: var(--brown);
    background: rgba(247, 237, 216, 0.9);

    border-top: 1px solid rgba(113, 80, 25, 0.45);
    border-bottom: 1px solid rgba(113, 80, 25, 0.45);

    font-size: 13px;
    font-style: italic;
    letter-spacing: 1px;
}


.logo-halo {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 230px;
    height: 230px;

    border: 1px dashed rgba(113, 80, 25, 0.32);
    border-radius: 50%;

    transform: translate(-50%, -50%);

    animation: slowTurn 28s linear infinite;
}


@keyframes slowTurn {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}


/* Status */

.live-status {
    position: relative;
    z-index: 4;

    width: min(760px, 100%);
    min-height: 50px;
    margin: 8px auto 22px;
    padding: 14px 20px;

    color: var(--ocean);

    background: rgba(255, 250, 239, 0.82);

    border-top: 1px solid rgba(113, 80, 25, 0.36);
    border-bottom: 1px solid rgba(113, 80, 25, 0.36);

    text-align: center;

    font-family: "Courier New", monospace;
    font-size: 16px;
    font-weight: bold;
}


/* Results */

.results-panel {
    position: relative;
    z-index: 4;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;

    width: min(1000px, 100%);
    margin: 0 auto;
}


.result-card {
    padding: 17px;

    background:
        linear-gradient(
            150deg,
            rgba(255, 251, 242, 0.97),
            rgba(232, 216, 187, 0.96)
        );

    border: 1px solid rgba(113, 80, 25, 0.55);
    border-radius: 3px;

    box-shadow: 0 8px 18px var(--shadow);

    opacity: 0;
    transform: translateY(15px);

    animation: revealResult 0.5s ease forwards;
}


.result-card::before {
    content: "DISCOVERED LISTING";

    display: block;
    margin-bottom: 10px;

    color: var(--brass-dark);

    font-family: Arial, Helvetica, sans-serif;
    font-size: 10px;
    font-weight: bold;
    letter-spacing: 2px;
}


.result-title {
    margin: 0 0 8px;

    color: var(--brown);

    font-size: 17px;
}


.result-market {
    margin: 0 0 12px;

    color: var(--ink-soft);

    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}


.result-price {
    margin: 0;

    color: var(--ocean);

    font-size: 22px;
    font-weight: bold;
}


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


/* Features */

.features-section {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));

    max-width: 1200px;
    margin: 0 auto;
    padding: 70px 5%;
}


.feature {
    padding: 25px 35px;

    text-align: center;

    border-right: 1px solid rgba(113, 80, 25, 0.28);
}


.feature:last-child {
    border-right: 0;
}


.feature-symbol {
    margin-bottom: 15px;

    color: var(--brass);
    font-size: 37px;
}


.feature h2 {
    margin: 0 0 13px;

    color: var(--brown);

    font-size: 21px;
    font-weight: normal;
    font-variant: small-caps;
    letter-spacing: 1px;
}


.feature p {
    margin: 0;

    color: var(--ink-soft);

    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.7;
}


/* Footer */

.site-footer {
    padding: 32px 20px;

    color: var(--parchment);

    background:
        linear-gradient(
            135deg,
            #302116,
            #51361f
        );

    border-top: 4px solid var(--brass);

    text-align: center;
}


.site-footer p {
    margin: 0;

    font-size: 17px;
    letter-spacing: 2px;
}


.site-footer .footer-note {
    margin-top: 10px;

    color: var(--brass-light);

    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
}


/* Tablet */

@media (max-width: 850px) {
    .map-section {
        min-height: 1120px;
    }

    .network-demo {
        height: 680px;
    }

    .central-logo {
        width: 280px;
    }

    .facebook {
        top: 240px;
        left: 2%;
    }

    .craigslist {
        top: 240px;
        right: 2%;
    }

    .market-node {
        width: 30%;
    }

    .results-panel {
        grid-template-columns: 1fr;
        max-width: 620px;
    }

    .features-section {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .feature {
        border-right: 0;
        border-bottom: 1px solid rgba(113, 80, 25, 0.28);
    }

    .feature:last-child {
        border-bottom: 0;
    }
}


/* Mobile */

@media (max-width: 650px) {
    .site-header {
        flex-direction: column;
        gap: 15px;

        text-align: center;
    }

    .header-logo {
        width: 220px;
    }

    .site-header h1 {
        letter-spacing: 2px;
    }

    .tagline {
        letter-spacing: 2px;
    }

    .map-section {
        min-height: 1400px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .compass-rose {
        display: none;
    }

    .search-box {
        flex-direction: column;
        gap: 6px;
    }

    .search-box button {
        width: 100%;
    }

    .network-demo {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 15px;

        height: auto;
    }

    .connections {
        display: none;
    }

    .market-node,
    .central-logo {
        position: relative;
        inset: auto;

        width: 100%;
        min-height: auto;

        transform: none;
    }

    .market-node.active,
    .ebay.active,
    .offerup.active {
        transform: translateY(-3px);
    }

    .central-logo {
        order: -1;
        margin: 10px auto 15px;
    }

    .central-logo img {
        width: min(330px, 100%);
    }

    .logo-halo {
        width: 190px;
        height: 190px;
    }

    .live-status {
        margin-top: 30px;
    }
}