:root {
    --ink: #10264a;
    --ink-soft: #4f6383;
    --paper: #f4f7fc;
    --surface: #ffffff;
    --surface-soft: #f7f9fd;
    --line: #dbe4f1;

    --green: #2864dc;
    --green-dark: #1d4fae;
    --mint: #e7efff;

    --blue: #5b55d9;
    --blue-soft: #eeedff;

    --amber: #b97920;
    --amber-soft: #fff2db;
    --danger: #b23d4b;

    --hero-start: #10264a;
    --hero-end: #285ba8;
    --hero-orbit: #214b88;
    --hero-accent: #90b5ff;
    --hero-copy: #d9e6ff;

    --shadow: 0 18px 50px rgba(27, 67, 124, .09);
    --shadow-strong: 0 24px 64px rgba(20, 51, 101, .14);
    --radius: 22px;
    --radius-small: 14px;
    --transition: 180ms ease;
}

html[data-theme="dark"] {
    --ink: #edf3ff;
    --ink-soft: #b5c2d8;
    --paper: #08111f;
    --surface: #101c30;
    --surface-soft: #14233b;
    --line: #293b59;

    --green: #82a9ff;
    --green-dark: #b3c9ff;
    --mint: #1c3156;

    --blue: #aaa5ff;
    --blue-soft: #2c2d5b;

    --amber: #e8b66a;
    --amber-soft: #4b3518;
    --danger: #ff9ba7;

    --hero-start: #0c1930;
    --hero-end: #1b417d;
    --hero-orbit: #173762;
    --hero-accent: #9dbbff;
    --hero-copy: #d9e5ff;

    --shadow: 0 18px 50px rgba(0, 0, 0, .27);
    --shadow-strong: 0 24px 64px rgba(0, 0, 0, .36);
}

* { box-sizing: border-box; }

html {
    background: var(--paper);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 80% -10%, rgba(121, 164, 255, .18), transparent 30rem),
        radial-gradient(circle at 5% 15%, rgba(143, 181, 255, .08), transparent 24rem),
        var(--paper);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    transition: background var(--transition), color var(--transition);
}

button,
input,
select,
textarea {
    font: inherit;
}

a { color: inherit; }

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: -.045em;
}

h2 { letter-spacing: -.025em; }

small {
    color: var(--ink-soft);
    opacity: .8;
}

.button {
    border: 0;
    border-radius: 999px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 44px;
    padding: 0 20px;
    text-decoration: none;
    font-weight: 750;
    cursor: pointer;
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.button:disabled {
    cursor: not-allowed;
    opacity: .72;
    box-shadow: none;
}

.button-primary {
    background: linear-gradient(135deg, var(--ink), #244f94);
    color: var(--surface);
    box-shadow: 0 8px 22px rgba(31, 76, 145, .22);
}

.button-primary:hover:not(:disabled) {
    box-shadow: 0 13px 30px rgba(31, 76, 145, .28);
}

.button-secondary {
    background: color-mix(in srgb, var(--surface) 96%, var(--green) 4%);
    color: var(--ink);
    border: 1px solid var(--line);
}

.button-full { width: 100%; }

.icon-button {
    position: relative;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
}

.pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 5px 9px;
    background: var(--surface-soft);
    color: var(--ink-soft);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.pill-live {
    background: var(--mint);
    color: var(--green-dark);
}

.panel {
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    transition:
        background var(--transition),
        border var(--transition),
        box-shadow var(--transition);
}

.panel:hover {
    box-shadow: 0 22px 58px rgba(27, 67, 124, .12);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    min-height: 48px;
    padding: 12px 14px;
    color: var(--ink);
    background: var(--surface-soft);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 16%, transparent);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--green) 35%, transparent);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 10000;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--ink);
    color: var(--surface);
    transform: translateY(-160%);
}

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

label span {
    display: block;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 750;
}

.eyebrow {
    margin-bottom: 8px;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: 11px;
    font-weight: 850;
}