:root {
    --bg: #061116;
    --bg-2: #081820;
    --surface: rgba(10, 27, 35, 0.78);
    --surface-2: rgba(13, 35, 44, 0.86);
    --surface-3: rgba(255, 255, 255, 0.04);
    --line: rgba(124, 229, 255, 0.15);
    --line-strong: rgba(124, 229, 255, 0.30);
    --text: #effbff;
    --muted: #91aab3;
    --muted-2: #bfd4dc;
    --cyan: #73e7ff;
    --cyan-2: #35c9e8;
    --green: #73f0bd;
    --danger: #ff6c8c;
    --max: 1160px;
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --shadow: 0 26px 80px rgba(0, 0, 0, 0.32);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 18% -10%, rgba(115, 231, 255, 0.15), transparent 32rem),
        radial-gradient(circle at 86% 10%, rgba(53, 201, 232, 0.11), transparent 30rem),
        linear-gradient(180deg, var(--bg) 0%, #050c11 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.site-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.42;
    background-image:
        linear-gradient(rgba(255,255,255,0.026) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.026) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: linear-gradient(to bottom, #000, transparent 72%);
}

a {
    color: inherit;
    text-decoration: none;
}

.topbar,
.hero,
.quick-summary,
.section,
.split-section,
.comparison,
.waitlist,
.footer {
    width: min(calc(100% - 36px), var(--max));
    margin-inline: auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 13px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    display: block;
    object-fit: contain;
    border-radius: 12px;
}

.brand-text {
    display: grid;
    gap: 1px;
}

.brand-text strong {
    font-size: 17px;
    letter-spacing: -0.035em;
}

.brand-text small {
    color: var(--muted);
    font-size: 12px;
}

.nav {
    display: flex;
    gap: 4px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(6, 17, 22, 0.7);
}

.nav a {
    padding: 9px 13px;
    border-radius: 999px;
    color: var(--muted-2);
    font-size: 14px;
    transition: 160ms ease;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.055);
    color: var(--text);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 48px;
    align-items: center;
    min-height: 690px;
    padding: 72px 0 82px;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 800;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--green);
    box-shadow: 0 0 18px rgba(115, 240, 189, 0.9);
}

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

h1 {
    max-width: 820px;
    margin-bottom: 24px;
    font-size: clamp(48px, 7vw, 86px);
    line-height: 0.94;
    letter-spacing: -0.078em;
}

.hero-text {
    max-width: 760px;
    margin-bottom: 34px;
    color: var(--muted-2);
    font-size: 19px;
    line-height: 1.74;
}

.hero-text strong {
    color: var(--cyan);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 18px;
    border: 0;
    border-radius: 14px;
    font: inherit;
    font-weight: 850;
    cursor: pointer;
    transition: 170ms ease;
    white-space: nowrap;
}

.btn-primary {
    color: #031116;
    background: linear-gradient(135deg, #ffffff 0%, var(--cyan) 54%, var(--cyan-2) 100%);
    box-shadow: 0 18px 50px rgba(53, 201, 232, 0.20);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 24px 62px rgba(53, 201, 232, 0.28);
}

.btn-muted {
    color: var(--text);
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid var(--line);
}

.btn-muted:hover {
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.075);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
}

.hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.hero-proof span {
    padding: 8px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted-2);
    background: rgba(255, 255, 255, 0.035);
    font-size: 13px;
    font-weight: 750;
}

.brief-card {
    position: relative;
    padding: 26px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 100% 0%, rgba(115, 231, 255, 0.14), transparent 16rem),
        var(--surface);
    box-shadow: var(--shadow);
}

.brief-card::before {
    content: "";
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(124, 229, 255, 0.08);
    border-radius: 22px;
    pointer-events: none;
}

.brief-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--line);
}

.brief-header span {
    color: var(--cyan);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.brief-header strong {
    font-size: 26px;
    letter-spacing: -0.06em;
}

dl {
    display: grid;
    gap: 16px;
    margin: 0;
}

dl div {
    padding: 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
}

dt {
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: 0.11em;
}

dd {
    margin: 0;
    color: var(--text);
    line-height: 1.48;
}

.quick-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 72px;
}

.quick-summary article {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.035);
}

.quick-summary span {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 950;
}

.quick-summary strong {
    display: block;
    margin-bottom: 8px;
    font-size: 19px;
    letter-spacing: -0.035em;
}

.quick-summary p {
    margin-bottom: 0;
    color: var(--muted-2);
    line-height: 1.62;
}

.section,
.split-section,
.comparison,
.waitlist {
    margin-bottom: 28px;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
}

.intro {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
}

.section-heading span,
.waitlist-copy span {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--cyan);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.section-heading h2,
.waitlist h2 {
    max-width: 780px;
    margin-bottom: 0;
    font-size: clamp(31px, 4vw, 52px);
    line-height: 1.04;
    letter-spacing: -0.058em;
}

.section-heading.compact h2 {
    max-width: 680px;
}

.text-columns {
    display: grid;
    gap: 18px;
}

p {
    color: var(--muted-2);
    line-height: 1.74;
}

.text-columns p,
.waitlist p {
    margin-bottom: 0;
    font-size: 17px;
}

.timeline {
    display: grid;
    gap: 12px;
    margin-top: 30px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 18px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.035);
}

.timeline-item > span {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 13px;
    color: #031116;
    background: var(--cyan);
    font-weight: 950;
}

.timeline-item h3,
.audience-grid h3,
.feature-list h3,
.comparison h3 {
    margin-bottom: 8px;
    font-size: 20px;
    letter-spacing: -0.04em;
}

.timeline-item p,
.audience-grid p,
.feature-list p {
    margin-bottom: 0;
}

.audience-grid,
.feature-list {
    display: grid;
    gap: 14px;
    margin-top: 30px;
}

.audience-grid {
    grid-template-columns: repeat(3, 1fr);
}

.audience-grid article,
.feature-list article,
.comparison-grid > div {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.035);
}

.feature-list {
    grid-template-columns: repeat(2, 1fr);
}

.feature-list article span {
    display: inline-flex;
    margin-bottom: 18px;
    padding: 7px 10px;
    border: 1px solid rgba(124, 229, 255, 0.18);
    border-radius: 999px;
    color: var(--cyan);
    background: rgba(115, 231, 255, 0.07);
    font-size: 12px;
    font-weight: 850;
}

.comparison {
    display: grid;
    gap: 30px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.comparison-grid .highlight {
    border-color: var(--line-strong);
    background:
        radial-gradient(circle at 100% 0%, rgba(115, 231, 255, 0.13), transparent 16rem),
        rgba(255, 255, 255, 0.045);
}

ul {
    display: grid;
    gap: 10px;
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
}

li {
    position: relative;
    padding-left: 22px;
    color: var(--muted-2);
    line-height: 1.55;
}

li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--cyan);
}

.waitlist {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 38px;
    align-items: center;
    margin-top: 44px;
    margin-bottom: 54px;
    border-color: var(--line-strong);
    background:
        radial-gradient(circle at 0% 0%, rgba(115, 231, 255, 0.13), transparent 25rem),
        var(--surface-2);
}

.waitlist-form {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(6, 17, 22, 0.72);
}

.waitlist-form label {
    display: block;
    margin-bottom: 10px;
    color: var(--muted-2);
    font-weight: 780;
}

.input-row {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

input[type="email"] {
    width: 100%;
    min-height: 50px;
    padding: 0 15px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    outline: none;
    color: var(--text);
    background: rgba(255, 255, 255, 0.055);
    font: inherit;
}

input[type="email"]:focus {
    border-color: var(--line-strong);
    box-shadow: 0 0 0 4px rgba(115, 231, 255, 0.08);
}

.small-note {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.form-message {
    display: none;
    margin-top: 14px;
    padding: 13px 14px;
    border-radius: 14px;
    font-weight: 760;
    line-height: 1.5;
}

.form-message.success,
.form-message.error {
    display: block;
}

.form-message.success {
    color: var(--green);
    background: rgba(115, 240, 189, 0.08);
    border: 1px solid rgba(115, 240, 189, 0.22);
}

.form-message.error {
    color: var(--danger);
    background: rgba(255, 108, 140, 0.08);
    border: 1px solid rgba(255, 108, 140, 0.22);
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 30px 0 48px;
    color: var(--muted);
    font-size: 14px;
    border-top: 1px solid var(--line);
}

.footer a {
    color: var(--cyan);
}

@media (max-width: 1020px) {
    .hero,
    .intro,
    .waitlist {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 56px;
    }

    .brief-card {
        max-width: 680px;
    }

    .audience-grid,
    .quick-summary {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .feature-list,
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .section,
    .split-section,
    .comparison,
    .waitlist {
        padding: 24px;
        border-radius: 24px;
    }
}

@media (max-width: 700px) {
    .topbar,
    .hero,
    .quick-summary,
    .section,
    .split-section,
    .comparison,
    .waitlist,
    .footer {
        width: min(calc(100% - 24px), var(--max));
    }

    .topbar {
        align-items: flex-start;
    }

    .nav {
        display: none;
    }

    .hero {
        padding: 48px 0 46px;
    }

    h1 {
        font-size: clamp(42px, 14vw, 62px);
    }

    .hero-text {
        font-size: 17px;
    }

    .hero-actions,
    .input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .footer {
        flex-direction: column;
    }
}


.module-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 30px;
}

.module-card {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.035);
}

.module-card.primary-module {
    border-color: var(--line-strong);
    background:
        radial-gradient(circle at 100% 0%, rgba(115, 231, 255, 0.13), transparent 16rem),
        rgba(255, 255, 255, 0.045);
}

.module-label {
    display: inline-flex;
    margin-bottom: 18px;
    padding: 7px 10px;
    border: 1px solid rgba(124, 229, 255, 0.18);
    border-radius: 999px;
    color: var(--cyan);
    background: rgba(115, 231, 255, 0.07);
    font-size: 12px;
    font-weight: 850;
}

.module-card h3 {
    margin-bottom: 12px;
    font-size: 28px;
    letter-spacing: -0.055em;
}

.module-card p {
    margin-bottom: 18px;
}

@media (max-width: 820px) {
    .module-grid {
        grid-template-columns: 1fr;
    }
}


.application-note {
    margin-top: 18px;
    padding: 24px;
    border: 1px solid var(--line-strong);
    border-radius: 22px;
    background:
        radial-gradient(circle at 100% 0%, rgba(115, 231, 255, 0.12), transparent 18rem),
        rgba(255, 255, 255, 0.04);
}

.application-note span {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 7px 10px;
    border: 1px solid rgba(124, 229, 255, 0.18);
    border-radius: 999px;
    color: var(--cyan);
    background: rgba(115, 231, 255, 0.07);
    font-size: 12px;
    font-weight: 850;
}

.application-note h3 {
    margin-bottom: 10px;
    font-size: 24px;
    letter-spacing: -0.045em;
}

.application-note p {
    max-width: 900px;
    margin-bottom: 0;
}