:root {
    --bg-main: #04060d;
    --bg-soft: rgba(10, 14, 24, 0.78);
    --bg-panel: rgba(18, 22, 33, 0.85);
    --bg-cta: linear-gradient(135deg, rgba(108, 99, 255, 0.24), rgba(0, 212, 255, 0.12));
    --bg-modal: rgba(6, 8, 15, 0.92);
    --text-primary: #f5f7ff;
    --text-muted: #c7cbe0;
    --text-soft: rgba(245, 247, 255, 0.6);
    --accent: #7e7bff;
    --accent-strong: #00d4ff;
    --border: rgba(255, 255, 255, 0.12);
    --border-soft: rgba(255, 255, 255, 0.08);
    --radius-lg: 32px;
    --radius-md: 22px;
    --radius-sm: 14px;
    --shadow-soft: 0 30px 60px rgba(0, 0, 0, 0.35);
    --shadow-medium: 0 20px 40px rgba(7, 12, 32, 0.4);
    --shadow-card: 0 16px 40px rgba(3, 8, 25, 0.35);
    --transition: all 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        radial-gradient(circle at 10% 10%, rgba(108, 99, 255, 0.3), transparent 55%),
        radial-gradient(circle at 80% 0%, rgba(0, 212, 255, 0.22), transparent 60%),
        linear-gradient(180deg, #04060d 0%, #02030a 100%);
    color: var(--text-primary);
    line-height: 1.6;
}

body.modal-open {
    overflow: hidden;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-strong);
    outline-offset: 4px;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(100% - 64px, 1160px);
    margin: 0 auto;
}

.container.narrow {
    width: min(100% - 64px, 960px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(4, 7, 13, 0.82);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-soft);
}

.header-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
}

.site-header .logo {
    display: inline-flex;
    align-items: center;
    height: 22.5px;
}

.site-header .logo img {
    height: 100%;
    width: auto;
    display: block;
}

.site-footer .logo {
    display: inline-block;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.main-nav {
    display: flex;
    gap: 24px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.main-nav a {
    padding: 6px 10px;
    border-radius: 999px;
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
    color: var(--text-primary);
    background: rgba(126, 123, 255, 0.16);
}

.header-actions {
    display: flex;
    align-items: center;
}

button {
    font-family: inherit;
}

.cta-button,
button.primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    color: var(--text-primary);
    border: none;
    border-radius: 999px;
    padding: 11px 24px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover,
button.primary:hover,
.cta-button:focus-visible,
button.primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px rgba(126, 123, 255, 0.4);
}

button.secondary {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid rgba(126, 123, 255, 0.4);
    border-radius: 999px;
    padding: 11px 24px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

button.secondary:hover,
button.secondary:focus-visible {
    color: var(--text-primary);
    border-color: var(--accent-strong);
    background: rgba(126, 123, 255, 0.08);
}

button.full-width {
    width: 100%;
}

.hero {
    padding: 160px 0 120px;
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 72px;
    align-items: center;
}

.hero-copy {
    display: grid;
    gap: 26px;
}

.hero-kicker,
.section-kicker,
.modal-kicker {
    font-size: 0.75rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--accent-strong);
    margin: 0;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    line-height: 1.02;
    margin: 0;
    font-weight: 600;
}

.hero-subtitle {
    color: var(--text-muted);
    max-width: 540px;
    margin: 0;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

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

.pill {
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-soft);
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(160deg, rgba(126, 123, 255, 0.22), rgba(0, 212, 255, 0.12));
    padding: 48px;
    min-height: 420px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    box-shadow: var(--shadow-card);
}

.hero-orb {
    position: absolute;
    top: -120px;
    right: -100px;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(126, 123, 255, 0.6), transparent 70%);
    filter: blur(8px);
    pointer-events: none;
}

.hero-slab {
    position: relative;
    width: 100%;
    background: rgba(4, 7, 13, 0.84);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 32px;
    display: grid;
    gap: 18px;
}

.slab-eyebrow {
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.slab-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 18px;
}

.slab-list li span {
    font-weight: 600;
}

.slab-list li small {
    display: block;
    margin-top: 4px;
    color: var(--text-soft);
    font-size: 0.85rem;
}

.section {
    padding: 120px 0;
}

.section-title {
    margin: 16px 0 0;
    font-size: clamp(2.2rem, 4vw, 3rem);
    line-height: 1.12;
}

.section-copy {
    color: var(--text-muted);
    margin-top: 18px;
    max-width: 520px;
}

.signal-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-card {
    background: var(--bg-panel);
    border-radius: var(--radius-md);
    padding: 36px;
    display: grid;
    gap: 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    min-height: 240px;
}

.card-tag {
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.signal-card h3 {
    margin: 0;
    font-size: 1.5rem;
    line-height: 1.25;
}

.signal-card p {
    margin: 0;
    color: var(--text-muted);
}

.panel-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel-card {
    background: rgba(7, 11, 20, 0.9);
    border-radius: var(--radius-md);
    padding: 36px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: grid;
    gap: 18px;
    box-shadow: var(--shadow-card);
}

.panel-card h3 {
    margin: 0;
    font-size: 1.5rem;
}

.panel-card p {
    margin: 0;
    color: var(--text-muted);
}

.panel-footnote {
    font-size: 0.85rem;
    color: var(--text-soft);
}

.credentials {
    background: linear-gradient(120deg, rgba(126, 123, 255, 0.1), rgba(0, 212, 255, 0.06));
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.credentials-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 64px;
    align-items: center;
}

.badge-stack {
    display: grid;
    gap: 18px;
}

.credential-badge {
    padding: 24px 28px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(4, 7, 14, 0.82);
    box-shadow: var(--shadow-soft);
}

.credential-badge span {
    font-weight: 600;
}

.credential-badge small {
    display: block;
    margin-top: 6px;
    color: var(--text-soft);
}

.cta {
    background: var(--bg-cta);
    border-top: 1px solid var(--border-soft);
}

.cta-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    background: rgba(4, 7, 13, 0.84);
    border-radius: var(--radius-lg);
    padding: 48px 54px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: var(--shadow-card);
}

.cta-panel .section-title {
    margin-top: 12px;
}

.site-footer {
    padding: 72px 0 48px;
    background: rgba(3, 5, 10, 0.96);
    border-top: 1px solid var(--border-soft);
}

.footer-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
}

.footer-layout p,
.footer-layout a,
.footer-layout h4 {
    margin: 0;
    color: var(--text-muted);
}

.footer-layout h4 {
    font-weight: 500;
    margin-bottom: 12px;
}

.footer-bottom {
    margin: 48px 0 0;
    text-align: center;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 16px;
    z-index: 999;
}

.modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.modal-panel {
    position: relative;
    width: min(100%, 840px);
    max-height: min(90vh, 800px);
    background: var(--bg-modal);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition);
}

.modal.is-open .modal-panel {
    opacity: 1;
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 40px 48px 24px;
}

.modal-header h2 {
    margin: 12px 0 0;
    font-size: clamp(2rem, 3vw, 2.6rem);
}

.modal-subtitle {
    margin-top: 12px;
    color: var(--text-muted);
}

.modal-close {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    color: var(--text-primary);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus-visible {
    background: rgba(255, 255, 255, 0.16);
}

.modal-body {
    padding: 0 48px 40px;
    overflow-y: auto;
}

.waitlist-form {
    display: grid;
    gap: 28px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.waitlist-form label,
.waitlist-form legend {
    font-weight: 500;
    color: var(--text-primary);
}

.waitlist-form input[type="text"],
.waitlist-form input[type="email"],
.waitlist-form textarea {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    padding: 13px 16px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.waitlist-form input[type="text"]:focus,
.waitlist-form input[type="email"]:focus,
.waitlist-form textarea:focus {
    border-color: rgba(126, 123, 255, 0.9);
    box-shadow: 0 0 0 4px rgba(126, 123, 255, 0.25);
}

.waitlist-form textarea {
    resize: vertical;
    min-height: 140px;
}

.waitlist-form fieldset {
    border: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 14px;
}

.checkbox-group,
.radio-group {
    display: grid;
    gap: 12px;
    color: var(--text-soft);
}

.checkbox-group label,
.radio-group label {
    display: grid;
    gap: 8px;
    grid-template-columns: auto 1fr;
    align-items: flex-start;
    cursor: pointer;
}

.checkbox-group input,
.radio-group input {
    margin-top: 4px;
    accent-color: var(--accent);
}

.form-alert {
    min-height: 1.2rem;
    font-size: 0.9rem;
    color: var(--text-soft);
}

.form-alert.success {
    color: #68f5c2;
}

.form-alert.error {
    color: #ff9797;
}

.form-footnote {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-soft);
    text-align: center;
}

@media (max-width: 1200px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-visual {
        min-height: 360px;
    }

    .field-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .signal-grid,
    .panel-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .container,
    .container.narrow {
        width: min(100% - 48px, 1000px);
    }

    .main-nav {
        display: none;
    }

    .hero {
        padding: 140px 0 100px;
    }

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

    .footer-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta-panel {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-panel button {
        align-self: stretch;
    }
}

@media (max-width: 720px) {
    .container,
    .container.narrow {
        width: min(100% - 36px, 100%);
    }

    .hero-title {
        font-size: clamp(2.6rem, 8vw, 3.6rem);
    }

    .signal-grid,
    .panel-grid {
        grid-template-columns: 1fr;
    }

    .cta-panel {
        padding: 36px;
    }

    .modal-header,
    .modal-body {
        padding: 32px;
    }

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

@media (max-width: 520px) {
    .header-layout {
        padding: 14px 0;
    }

    .hero {
        padding-top: 120px;
    }

    .hero-visual {
        padding: 36px;
    }

    .hero-slab {
        padding: 28px;
    }

    .cta-panel {
        padding: 28px;
    }

    .modal-panel {
        width: 100%;
    }

    button.primary,
    button.secondary,
    .cta-button {
        width: 100%;
        text-align: center;
    }

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