:root {
    color-scheme: dark;
    --ink: #11140f;
    --ink-deep: #090b08;
    --panel: #171b14;
    --paper: #f4f2e8;
    --muted: #969e8e;
    --line: #32392d;
    --signal: #d7ff3f;
    --cyan: #72dfd1;
    --display: "Bahnschrift", "Aptos Display", "Segoe UI", sans-serif;
    --body: "Aptos", "Segoe UI", sans-serif;
    --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    scroll-behavior: smooth;
    background: var(--ink-deep);
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--paper);
    background:
        radial-gradient(circle at 76% 8%, rgba(215, 255, 63, 0.09), transparent 25rem),
        var(--ink);
    font: 15px/1.6 var(--body);
}

a {
    color: inherit;
}

a:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    transform: translateY(-180%);
    color: var(--ink);
    background: var(--signal);
}

.skip-link:focus {
    transform: translateY(0);
}

.signal-field {
    position: fixed;
    z-index: -1;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(158, 174, 145, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(158, 174, 145, 0.055) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, black, transparent 72%);
}

.signal-field span {
    position: absolute;
    top: 0;
    width: 1px;
    height: 34vh;
    background: linear-gradient(transparent, rgba(215, 255, 63, 0.65), transparent);
    animation: signal-drop 7s infinite linear;
}

.signal-field span:nth-child(1) { left: 12%; animation-delay: -5s; }
.signal-field span:nth-child(2) { left: 37%; animation-delay: -2s; }
.signal-field span:nth-child(3) { left: 61%; animation-delay: -6.2s; }
.signal-field span:nth-child(4) { left: 78%; animation-delay: -3.5s; }
.signal-field span:nth-child(5) { left: 93%; animation-delay: -1s; }

.site-header,
main,
footer {
    width: min(100% - 48px, 1320px);
    margin-inline: auto;
}

.site-header {
    display: flex;
    min-height: 96px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
}

.wordmark {
    display: flex;
    gap: 13px;
    align-items: center;
    text-decoration: none;
    letter-spacing: 0.12em;
    font: 650 15px var(--display);
}

.wordmark-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: var(--ink);
    background: var(--signal);
    clip-path: polygon(0 0, 75% 0, 100% 25%, 100% 100%, 25% 100%, 0 75%);
    font: 800 21px var(--display);
}

.brand-emoji {
    transform: translate(-0.5px, -0.5px);
    font: 400 24px/1 "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", sans-serif;
    filter: drop-shadow(0 1px 0 rgba(17, 20, 15, 0.2));
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font: 10px var(--mono);
}

nav a {
    color: var(--muted);
    text-decoration: none;
}

nav a:hover {
    color: var(--paper);
}

.admin-link {
    padding: 11px 14px;
    border: 1px solid var(--line);
}

.hero {
    display: grid;
    min-height: 690px;
    padding: clamp(90px, 12vw, 160px) 0 100px;
    grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
    gap: clamp(50px, 9vw, 140px);
    align-items: center;
}

.eyebrow {
    margin: 0;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font: 10px/1.4 var(--mono);
}

.eyebrow span {
    display: inline-block;
    width: 18px;
    height: 2px;
    margin: 0 9px 3px 0;
    background: var(--signal);
}

h1 {
    max-width: 870px;
    margin: 28px 0 0;
    letter-spacing: -0.055em;
    font: 650 clamp(58px, 7vw, 108px)/0.91 var(--display);
}

h1 em {
    color: var(--signal);
    font-style: normal;
}

.hero-intro {
    max-width: 650px;
    margin: 42px 0 0;
    color: #bcc3b5;
    font-size: clamp(17px, 1.5vw, 21px);
}

.hero-actions {
    display: flex;
    gap: 28px;
    margin-top: 44px;
    align-items: center;
}

.primary-action,
.text-action {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    font: 700 10px var(--mono);
}

.primary-action {
    padding: 15px 18px;
    color: #202800;
    background: var(--signal);
}

.text-action {
    color: var(--paper);
}

.text-action span {
    display: inline-block;
    margin-left: 6px;
    color: var(--signal);
    transition: transform 160ms ease;
}

.text-action:hover span {
    transform: translateX(5px);
}

.route-visual {
    position: relative;
    display: grid;
    min-height: 480px;
    place-items: center;
}

.route-visual::before,
.route-visual::after {
    position: absolute;
    left: 50%;
    width: 1px;
    height: 108px;
    content: "";
    background: linear-gradient(transparent, var(--line));
}

.route-visual::before { top: 58px; }
.route-visual::after { bottom: 58px; transform: rotate(180deg); }

.route-core {
    position: relative;
    display: grid;
    width: 170px;
    height: 170px;
    place-items: center;
    border: 1px solid var(--signal);
    background: rgba(17, 20, 15, 0.78);
    box-shadow: 0 0 80px rgba(215, 255, 63, 0.08);
}

.route-core strong {
    font: 700 64px/1 var(--display);
}

.route-core small {
    position: absolute;
    bottom: 19px;
    color: var(--signal);
    letter-spacing: 0.15em;
    font: 8px var(--mono);
}

.orbit {
    position: absolute;
    inset: -30px;
    border: 1px solid rgba(150, 158, 142, 0.22);
    animation: orbit-pulse 4s infinite ease-in-out;
}

.orbit-two {
    inset: -58px;
    animation-delay: -2s;
}

.route-label {
    position: absolute;
    left: 50%;
    display: grid;
    width: 260px;
    transform: translateX(-50%);
    grid-template-columns: 44px 1fr;
    align-items: center;
    color: var(--muted);
    text-transform: uppercase;
    font: 9px var(--mono);
}

.route-label strong {
    color: var(--paper);
    letter-spacing: 0.06em;
    font-weight: 500;
}

.route-input { top: 20px; }
.route-output { bottom: 20px; }

.demo-section,
.platform-section {
    padding: 110px 0;
    border-top: 1px solid var(--line);
}

.section-heading {
    display: grid;
    grid-template-columns: 1fr minmax(300px, 0.55fr);
    gap: 60px;
    align-items: end;
}

h2 {
    margin: 18px 0 0;
    letter-spacing: -0.04em;
    font: 650 clamp(46px, 6vw, 82px)/0.98 var(--display);
}

.section-heading > p,
.platform-statement > p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.call-grid {
    display: grid;
    margin-top: 70px;
    grid-template-columns: repeat(2, 1fr);
    border: 1px solid var(--line);
}

.call-card {
    min-height: 370px;
    padding: clamp(28px, 4vw, 50px);
    background: rgba(23, 27, 20, 0.84);
}

.call-card + .call-card {
    border-left: 1px solid var(--line);
}

.call-card:nth-child(2n + 1) {
    border-left: 0;
}

.call-card:nth-child(n + 3) {
    border-top: 1px solid var(--line);
}

.call-card header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-index,
.route-state,
.call-access small {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font: 9px var(--mono);
}

.card-index {
    color: var(--signal);
}

.route-state {
    padding: 6px 8px;
    color: var(--muted);
    border: 1px solid var(--line);
}

.route-state[data-state="ready"]::before {
    display: inline-block;
    width: 5px;
    height: 5px;
    margin: 0 7px 1px 0;
    content: "";
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 0 5px rgba(215, 255, 63, 0.08);
}

.call-card h3 {
    margin: 48px 0 0;
    font: 650 clamp(28px, 3vw, 42px)/1 var(--display);
}

.call-card > p {
    max-width: 540px;
    margin: 20px 0 0;
    color: var(--muted);
}

.call-access {
    display: grid;
    gap: 6px;
    margin-top: 50px;
}

.phone-number {
    width: fit-content;
    color: var(--paper);
    text-decoration-color: var(--signal);
    text-underline-offset: 7px;
    font: 500 clamp(25px, 3vw, 38px)/1.1 var(--mono);
}

.chat-launch {
    width: fit-content;
    color: var(--paper);
    text-decoration-color: var(--signal);
    text-underline-offset: 7px;
    font: 500 clamp(21px, 2.3vw, 31px)/1.1 var(--display);
}

.save-contact {
    display: inline-flex;
    width: fit-content;
    min-height: 44px;
    align-items: center;
    color: var(--signal);
    font-size: 13px;
    text-underline-offset: 4px;
}

.save-contact:hover {
    color: var(--paper);
}

a.chat-launch:hover {
    color: var(--signal);
}

.call-access small {
    color: var(--cyan);
}

.loading-card {
    display: flex;
    min-height: 180px;
    grid-column: 1 / -1;
    gap: 18px;
    align-items: center;
}

.loading-card p {
    margin: 0;
}

.platform-section {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
    gap: clamp(70px, 10vw, 150px);
}

.platform-statement h2 {
    max-width: 570px;
}

.platform-statement > p:last-child {
    max-width: 590px;
    margin-top: 36px;
}

.capability-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}

.capability-list li {
    display: grid;
    min-height: 108px;
    padding: 22px 0;
    grid-template-columns: 48px 150px 1fr;
    gap: 18px;
    align-items: center;
    border-bottom: 1px solid var(--line);
}

.capability-list span {
    color: var(--signal);
    font: 9px var(--mono);
}

.capability-list strong {
    font: 600 20px var(--display);
}

.capability-list p {
    margin: 0;
    color: var(--muted);
}

footer {
    display: flex;
    min-height: 100px;
    align-items: center;
    justify-content: space-between;
    color: #747c6d;
    border-top: 1px solid var(--line);
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font: 9px var(--mono);
}

footer a {
    color: var(--muted);
}

@keyframes signal-drop {
    from { transform: translateY(-40vh); }
    to { transform: translateY(120vh); }
}

@keyframes orbit-pulse {
    0%, 100% { transform: scale(0.96); opacity: 0.35; }
    50% { transform: scale(1.03); opacity: 0.8; }
}

@media (min-width: 901px) and (max-height: 820px) {
    .site-header {
        min-height: 72px;
    }

    .hero {
        min-height: calc(100svh - 72px);
        padding: 36px 0 44px;
        gap: clamp(42px, 6vw, 86px);
    }

    h1 {
        margin-top: 18px;
        font-size: clamp(54px, 6.2vw, 80px);
    }

    .hero-intro {
        margin-top: 24px;
        font-size: clamp(16px, 1.25vw, 18px);
    }

    .hero-actions {
        margin-top: 24px;
    }

    .route-visual {
        min-height: 400px;
    }
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .route-visual {
        min-height: 420px;
    }

    .platform-section {
        grid-template-columns: 1fr;
    }

    .call-grid {
        grid-template-columns: 1fr;
    }

    .call-card + .call-card {
        border-top: 1px solid var(--line);
        border-left: 0;
    }
}

@media (max-width: 680px) {
    .site-header,
    main,
    footer {
        width: min(100% - 28px, 1320px);
    }

    .site-header nav > a:not(.admin-link) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: 80px;
    }

    h1 {
        font-size: clamp(50px, 16vw, 78px);
    }

    .hero-actions,
    .section-heading {
        display: grid;
    }

    .section-heading {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .primary-action,
    .text-action {
        width: fit-content;
    }

    .call-grid {
        grid-template-columns: 1fr;
    }

    .call-card + .call-card {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .platform-section {
        gap: 60px;
    }

    .capability-list li {
        grid-template-columns: 36px 1fr;
    }

    .capability-list p {
        grid-column: 2;
    }

    footer {
        display: grid;
        gap: 8px;
        padding: 24px 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}