:root {
    --bg: #08101c;
    --bg-soft: rgba(16, 24, 40, 0.85);
    --bg-card: rgba(14, 20, 35, 0.88);
    --bg-muted: #0d1627;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-strong: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.1);
    --text: #edf2ff;
    --text-soft: #aebad4;
    --text-muted: #7e8ba9;
    --accent: #7568ff;
    --accent-bright: #31cf77;
    --accent-soft: rgba(117, 104, 255, 0.18);
    --accent-gradient: linear-gradient(135deg, #7a6cff 0%, #30c972 100%);
    --shadow: 0 30px 80px rgba(3, 6, 13, 0.42);
    --radius-sm: 14px;
    --radius-md: 24px;
    --radius-lg: 36px;
    --container: 1200px;
    --header-height: 78px;
    --transition: 240ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    margin: 0;
    min-width: 320px;
    font-family: "IBM Plex Sans", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(117, 104, 255, 0.22), transparent 32%),
        radial-gradient(circle at 85% 0%, rgba(49, 207, 119, 0.15), transparent 26%),
        linear-gradient(180deg, #050913 0%, #09111d 55%, #07101b 100%);
    line-height: 1.6;
}

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

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

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

button {
    cursor: pointer;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: #ffffff;
    color: #02050d;
    z-index: 100;
}

.skip-link:focus {
    top: 1rem;
}

.site-shell {
    overflow: clip;
}

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin-inline: auto;
}

.section {
    padding: 6rem 0;
}

.section--compact {
    padding: 2rem 0 3rem;
}

.section--muted {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0));
}

.section-heading {
    max-width: 760px;
    margin-bottom: 2.5rem;
}

.section-heading h2,
.hero h1,
.platform-panel h3,
.cta-band h2 {
    margin: 0 0 1rem;
    font-family: "Manrope", sans-serif;
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 5.6rem);
}

.section-heading h2,
.cta-band h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.section-heading p,
.hero__description,
.platform-panel p,
.cta-band p,
.site-footer__text {
    color: var(--text-soft);
    font-size: 1.05rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
    color: #d4ddff;
    font-size: 0.88rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.eyebrow::before {
    content: "";
    width: 2.8rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(117, 104, 255, 0), rgba(117, 104, 255, 1));
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(24px);
    background: rgba(5, 9, 19, 0.72);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header--scrolled {
    background: rgba(5, 9, 19, 0.9);
    border-color: var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.site-header__inner,
.site-header__status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-header__inner {
    min-height: var(--header-height);
}

.site-header__status {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header__status-row {
    min-height: 2.8rem;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.site-header__contacts {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
}

.brand__mark {
    width: 2.4rem;
    height: 2.4rem;
    flex: none;
}

.brand__copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand__name {
    font-family: "Manrope", sans-serif;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.brand__tagline {
    color: var(--text-muted);
    font-size: 0.76rem;
}

.site-header__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.site-nav {
    display: inline-flex;
    align-items: center;
    gap: 1.2rem;
}

.site-nav__link {
    color: var(--text-soft);
    font-weight: 500;
    transition: color var(--transition);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    color: var(--text);
}

.site-header__actions {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 3.5rem;
    padding: 0.95rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button--compact {
    min-height: 2.7rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
}

.button--primary {
    color: #02050d;
    background: var(--accent-gradient);
    box-shadow: 0 16px 50px rgba(51, 202, 118, 0.18);
}

.button--ghost {
    color: var(--text);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.02);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.3rem;
    width: 3rem;
    height: 3rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
}

.menu-toggle__line {
    width: 1.1rem;
    height: 2px;
    margin-inline: auto;
    background: var(--text);
    transition: transform var(--transition), opacity var(--transition);
}

.hero {
    padding-top: 3rem;
}

.hero__grid,
.cta-band__grid,
.interface-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    gap: 3rem;
    align-items: center;
}

.hero__description {
    max-width: 760px;
    margin-bottom: 1.5rem;
}

.hero__bullets,
.check-list {
    display: grid;
    gap: 0.85rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.hero__bullets li,
.check-list li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-soft);
}

.hero__bullets li::before,
.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 0.58rem;
    height: 0.58rem;
    border-radius: 999px;
    background: var(--accent-gradient);
    box-shadow: 0 0 0 6px rgba(117, 104, 255, 0.14);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

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

.hero__highlight,
.metric-card,
.audience-card,
.feature-card,
.pricing-card,
.faq-item,
.proof-strip__item {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
}

.hero__highlight {
    padding: 1.2rem;
    border-radius: var(--radius-md);
}

.hero__highlight strong,
.metric-card strong,
.proof-strip__item strong,
.pricing-card__price {
    display: block;
    margin-bottom: 0.4rem;
    font-family: "Manrope", sans-serif;
    font-size: clamp(1.4rem, 2vw, 2rem);
    letter-spacing: -0.04em;
}

.hero__highlight span,
.metric-card span,
.proof-strip__item span,
.pricing-card__trial,
.pricing-card li,
.audience-card li {
    color: var(--text-soft);
}

.hero__visual {
    position: relative;
}

.hero-card {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.hero-card--primary {
    padding: 1.25rem;
}

.hero-card--secondary {
    position: absolute;
    right: -1rem;
    bottom: -1rem;
    display: grid;
    gap: 1rem;
    width: min(82%, 23rem);
    padding: 1.1rem 1.2rem;
}

.hero-card__topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.hero-card__chip,
.hero-card__signal,
.platform__tab {
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.hero-card__chip,
.hero-card__signal {
    padding: 0.55rem 0.85rem;
    font-size: 0.86rem;
}

.hero-card__signal {
    color: #0d121f;
    background: linear-gradient(135deg, rgba(122, 108, 255, 0.95), rgba(48, 201, 114, 0.95));
    border-color: transparent;
}

.hero-card__metric {
    display: grid;
    gap: 0.3rem;
}

.hero-card__metric span {
    color: var(--text-muted);
    font-size: 0.86rem;
}

.hero-card__metric strong {
    font-size: 1rem;
    font-family: "Manrope", sans-serif;
}

.proof-strip__grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.proof-strip__item {
    padding: 1.2rem;
    border-radius: var(--radius-md);
}

.platform {
    display: grid;
    gap: 1.5rem;
}

.platform__tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.platform__tab {
    min-height: 3.25rem;
    padding: 0.8rem 1.25rem;
    color: var(--text-soft);
    font-weight: 600;
}

.platform__tab.is-active {
    color: #060a14;
    border-color: transparent;
    background: var(--accent-gradient);
}

.platform-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1.05fr);
    gap: 2rem;
    align-items: center;
    padding: 1.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
    box-shadow: var(--shadow);
}

.platform-panel__metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.metric-card {
    padding: 1rem;
    border-radius: var(--radius-md);
}

.platform-panel__visual {
    padding: 0.3rem;
}

.card-grid {
    display: grid;
    gap: 1.25rem;
}

.card-grid--audiences {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid--features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.audience-card,
.feature-card,
.pricing-card,
.faq-item {
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.audience-card h3,
.feature-card h3,
.pricing-card__name {
    margin: 0 0 0.8rem;
    font-family: "Manrope", sans-serif;
    font-size: 1.28rem;
}

.audience-card p,
.feature-card p {
    margin: 0 0 1rem;
    color: var(--text-soft);
}

.audience-card ul,
.pricing-card ul {
    display: grid;
    gap: 0.7rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.feature-card__index {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--accent-bright);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.device-stack {
    position: relative;
    min-height: 36rem;
}

.device-frame {
    position: absolute;
    border-radius: calc(var(--radius-lg) + 2px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.device-frame--desktop {
    inset: 0 2rem 4rem 0;
}

.device-frame--mobile {
    right: 0;
    bottom: 0;
    width: min(36%, 17rem);
    border-radius: 2.4rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.pricing-card--featured {
    position: relative;
    background: linear-gradient(180deg, rgba(117, 104, 255, 0.22), rgba(255, 255, 255, 0.04));
    border-color: rgba(117, 104, 255, 0.42);
    transform: translateY(-0.75rem);
}

.pricing-card__trial {
    margin: 0 0 1.25rem;
}

.pricing-card .button {
    width: 100%;
    margin-top: 1.4rem;
}

.faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 2rem;
    align-items: start;
}

.faq-list {
    display: grid;
    gap: 1rem;
}

.faq-item__button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 1rem;
    padding: 0;
    color: var(--text);
    background: transparent;
    border: 0;
    text-align: left;
    font-weight: 600;
}

.faq-item__icon {
    position: relative;
    width: 1.25rem;
    height: 1.25rem;
    flex: none;
}

.faq-item__icon::before,
.faq-item__icon::after {
    content: "";
    position: absolute;
    inset: 50% auto auto 50%;
    width: 1rem;
    height: 2px;
    background: var(--text);
    transform: translate(-50%, -50%);
    transition: transform var(--transition), opacity var(--transition);
}

.faq-item__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item__button[aria-expanded="true"] .faq-item__icon::after {
    opacity: 0;
}

.faq-item__panel {
    padding-top: 1rem;
    color: var(--text-soft);
}

.cta-band {
    padding-top: 2rem;
}

.cta-band__grid {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 0% 0%, rgba(117, 104, 255, 0.18), transparent 30%),
        radial-gradient(circle at 100% 100%, rgba(49, 207, 119, 0.16), transparent 32%),
        rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow);
}

.cta-band__actions {
    display: grid;
    gap: 0.9rem;
    align-content: center;
}

.cta-band__contact {
    color: var(--text-soft);
    font-weight: 500;
}

.site-footer {
    padding: 2rem 0 3rem;
}

.site-footer__inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.site-footer__brand {
    margin: 0 0 0.5rem;
    font-family: "Manrope", sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.site-footer__text {
    max-width: 36rem;
    margin: 0;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    justify-content: flex-end;
    color: var(--text-soft);
}

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .button,
    .site-header,
    .menu-toggle__line {
        transition: none;
    }
}

@media (max-width: 1080px) {
    .hero__grid,
    .cta-band__grid,
    .interface-layout,
    .faq-layout,
    .platform-panel,
    .card-grid--audiences {
        grid-template-columns: 1fr;
    }

    .hero-card--secondary {
        position: static;
        width: 100%;
        margin-top: 1rem;
    }

    .device-stack {
        min-height: 0;
        display: grid;
        gap: 1rem;
    }

    .device-frame {
        position: static;
        width: 100%;
    }

    .device-frame--mobile {
        width: min(100%, 22rem);
    }

    .proof-strip__grid,
    .platform-panel__metrics,
    .pricing-grid,
    .card-grid--features {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 840px) {
    :root {
        --header-height: 68px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .site-header__menu {
        position: fixed;
        top: calc(var(--header-height) + 4rem);
        left: 1rem;
        right: 1rem;
        display: grid;
        gap: 1rem;
        padding: 1rem;
        border: 1px solid var(--border);
        border-radius: 1.4rem;
        background: rgba(5, 9, 19, 0.96);
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-0.5rem);
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    }

    :root[data-menu-open] .site-header__menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .site-nav,
    .site-header__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav__link {
        padding: 0.35rem 0;
    }

    .site-header__status-row {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 0.7rem 0;
    }
}

@media (max-width: 720px) {
    .section {
        padding: 4.25rem 0;
    }

    .hero {
        padding-top: 2rem;
    }

    .hero__highlights,
    .proof-strip__grid,
    .platform-panel__metrics,
    .pricing-grid,
    .card-grid--features {
        grid-template-columns: 1fr;
    }

    .platform-panel,
    .hero-card--primary,
    .cta-band__grid,
    .audience-card,
    .feature-card,
    .pricing-card,
    .faq-item {
        padding: 1.2rem;
    }

    .button {
        width: 100%;
    }

    .hero__actions,
    .site-footer__inner {
        flex-direction: column;
        align-items: stretch;
    }

    .site-footer__links {
        justify-content: flex-start;
    }
}

@media (max-width: 420px) {
    .container {
        width: min(calc(100% - 1.2rem), var(--container));
    }

    .brand__tagline {
        display: none;
    }

    .hero h1 {
        letter-spacing: -0.05em;
    }

    .eyebrow {
        font-size: 0.74rem;
    }
}