:root {
    --ink: #eef7ff;
    --muted: #9fb6d1;
    --paper: #07111f;
    --line: rgba(144, 191, 255, 0.2);
    --blue: #2f8cff;
    --blue-deep: #0d2a63;
    --blue-dark: #071a35;
    --cyan: #51d6ff;
    --ice: #dff3ff;
    --panel: rgba(9, 27, 54, 0.78);
    --panel-solid: #0b2345;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 18% 10%, rgba(47, 140, 255, 0.22), transparent 34%),
        radial-gradient(circle at 84% 16%, rgba(81, 214, 255, 0.16), transparent 30%),
        linear-gradient(180deg, #07111f 0%, #0a1830 48%, #081326 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(20px, 5vw, 64px);
    border-bottom: 1px solid rgba(144, 191, 255, 0.16);
    background: rgba(5, 14, 29, 0.78);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ice);
    font-weight: 800;
    text-decoration: none;
}

.brand span {
    font-size: 1.1rem;
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px;
    color: var(--muted);
    font-size: 0.95rem;
}

nav a {
    text-decoration: none;
}

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

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.72fr);
    gap: clamp(32px, 6vw, 84px);
    align-items: center;
    min-height: calc(100svh - 81px);
    padding: clamp(48px, 8vw, 92px) clamp(20px, 5vw, 64px) 56px;
    background:
        linear-gradient(115deg, rgba(8, 34, 74, 0.58), rgba(7, 17, 31, 0.08) 55%),
        linear-gradient(180deg, rgba(81, 214, 255, 0.05), transparent 60%);
}

.hero-copy {
    max-width: 720px;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--cyan);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    font-size: clamp(4rem, 12vw, 10rem);
    line-height: 0.86;
    letter-spacing: 0;
    color: #f4fbff;
    text-shadow: 0 0 36px rgba(47, 140, 255, 0.28);
}

h2 {
    margin: 0;
    max-width: 780px;
    font-size: clamp(2rem, 5vw, 4.5rem);
    line-height: 0.98;
    letter-spacing: 0;
}

h3 {
    margin: 18px 0 10px;
    font-size: 1.25rem;
}

.lead {
    max-width: 650px;
    margin: 26px 0 0;
    color: #bfd0e8;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border: 0;
    border-radius: 8px;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.primary,
button {
    color: #061225;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    box-shadow: 0 14px 34px rgba(47, 140, 255, 0.28);
}

.secondary {
    color: var(--ice);
    background: rgba(124, 180, 255, 0.12);
    border: 1px solid rgba(144, 191, 255, 0.24);
}

.market-panel {
    display: grid;
    gap: 24px;
    min-height: 440px;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid rgba(144, 191, 255, 0.22);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(81, 214, 255, 0.14), transparent 35%),
        linear-gradient(315deg, rgba(47, 140, 255, 0.18), transparent 32%),
        var(--panel);
    box-shadow: 0 28px 90px rgba(0, 8, 25, 0.42);
}

.panel-top,
.ticker-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.panel-top span,
.ticker-row {
    color: var(--muted);
    font-size: 0.9rem;
}

.chart {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    align-items: end;
    gap: 12px;
    min-height: 260px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(90deg, rgba(81, 214, 255, 0.05), transparent 45%),
        repeating-linear-gradient(to top, transparent, transparent 39px, rgba(157, 202, 255, 0.1) 40px);
}

.chart span {
    min-height: 32px;
    border-radius: 8px 8px 2px 2px;
    background: linear-gradient(180deg, var(--cyan), var(--blue));
    box-shadow: 0 0 22px rgba(81, 214, 255, 0.22);
}

.chart span:nth-child(3n) {
    background: linear-gradient(180deg, #8ab7ff, var(--blue-deep));
}

.section,
.signup-section {
    padding: 72px clamp(20px, 5vw, 64px);
}

.section-heading {
    display: grid;
    gap: 8px;
    margin-bottom: 34px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-grid article {
    min-height: 260px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.feature-grid p,
.signup-copy p,
.signal-list span {
    color: var(--muted);
}

.feature-icon {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    color: #061225;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    font-weight: 900;
}

.insight-band {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 36px;
    align-items: start;
    padding: 76px clamp(20px, 5vw, 64px);
    color: #fff;
    background:
        linear-gradient(135deg, #061225, #0b2d62 58%, #061225);
    border-block: 1px solid rgba(144, 191, 255, 0.18);
}

.insight-band .eyebrow,
.insight-band h2 {
    color: #fff;
}

.signal-list {
    display: grid;
    gap: 14px;
}

.signal-list div {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 18px;
    align-items: start;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.signal-list strong {
    color: var(--cyan);
}

.signup-section {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.86fr);
    gap: clamp(30px, 6vw, 72px);
    align-items: start;
}

.signup-copy {
    position: sticky;
    top: 116px;
}

.signup-copy code {
    padding: 3px 6px;
    border-radius: 6px;
    color: var(--ice);
    background: rgba(124, 180, 255, 0.12);
}

.disclaimer {
    max-width: 560px;
    padding-top: 20px;
    font-size: 0.95rem;
}

.signup-form {
    display: grid;
    gap: 16px;
    padding: clamp(20px, 4vw, 34px);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 24px 70px rgba(0, 8, 25, 0.3);
}

label {
    display: grid;
    gap: 8px;
    color: #d9ecff;
    font-weight: 750;
}

input,
select,
textarea {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid rgba(144, 191, 255, 0.24);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(4, 15, 32, 0.72);
    font: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(81, 214, 255, 0.2);
    border-color: var(--cyan);
}

.notice {
    padding: 12px 14px;
    border-radius: 8px;
    font-weight: 700;
}

.notice p {
    margin: 0;
}

.success {
    color: #061225;
    background: #b8ecff;
}

.error {
    color: #ffe8e8;
    background: #83243d;
}

.honeypot {
    position: absolute;
    left: -9999px;
}

@media (max-width: 900px) {
    .hero,
    .feature-grid,
    .insight-band,
    .signup-section {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
    }

    .signup-copy {
        position: static;
    }
}

@media (max-width: 620px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    nav {
        justify-content: flex-start;
    }

    .market-panel {
        min-height: 360px;
    }

    .chart {
        gap: 8px;
        min-height: 190px;
    }
}