:root {
    --background: #050b19;
    --background-soft: #0a1429;
    --surface: rgba(15, 28, 55, 0.78);
    --surface-border: rgba(255, 255, 255, 0.1);
    --text: #f7f9ff;
    --text-soft: #aebbd2;
    --primary: #396cff;
    --secondary: #7b4dff;
    --accent: #ff3b68;
    --success: #1fd19a;
    --warning: #ffb84d;
    --radius-large: 28px;
    --radius-medium: 18px;
    --container: 1200px;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 5%, rgba(57, 108, 255, 0.2), transparent 32%),
        radial-gradient(circle at 85% 20%, rgba(123, 77, 255, 0.16), transparent 28%),
        var(--background);
    line-height: 1.6;
}

a {
    color: inherit;
}

header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(5, 11, 25, 0.82);
    backdrop-filter: blur(18px);
}

nav {
    width: min(calc(100% - 40px), var(--container));
    min-height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    background: linear-gradient(120deg, #ffffff, #8cb1ff, #ff6d8d);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

nav ul {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 26px;
    list-style: none;
}

nav a {
    color: var(--text-soft);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

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

main {
    overflow: hidden;
}

.hero {
    position: relative;
    width: min(calc(100% - 40px), var(--container));
    min-height: 760px;
    margin: 0 auto;
    padding: 100px 0 80px;
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
    gap: 70px;
}

.hero-content,
.hero-visual {
    position: relative;
    z-index: 2;
}

.hero-badge,
.section-label {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border: 1px solid rgba(113, 151, 255, 0.3);
    border-radius: 999px;
    color: #b9cbff;
    background: rgba(57, 108, 255, 0.1);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 760px;
    margin: 28px 0 22px;
    font-size: clamp(3rem, 6vw, 5.8rem);
    line-height: 1.02;
    letter-spacing: -0.055em;
}

.hero h1 span {
    display: block;
    background: linear-gradient(100deg, #6f96ff, #9f68ff, #ff537b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-description {
    max-width: 670px;
    margin: 0;
    color: var(--text-soft);
    font-size: 1.12rem;
}

.hero-actions {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.button {
    min-height: 52px;
    padding: 0 24px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    text-decoration: none;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
}

.button:hover {
    transform: translateY(-3px);
}

.button-primary {
    background: linear-gradient(120deg, var(--primary), var(--secondary));
    box-shadow: 0 14px 40px rgba(57, 108, 255, 0.32);
}

.button-secondary {
    border: 1px solid var(--surface-border);
    background: rgba(255, 255, 255, 0.05);
}

.hero-stats {
    margin-top: 48px;
    display: flex;
    flex-wrap: wrap;
    gap: 34px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-item strong {
    font-size: 1.55rem;
}

.stat-item span {
    color: var(--text-soft);
    font-size: 0.82rem;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.6;
    pointer-events: none;
}

.hero-glow-left {
    width: 350px;
    height: 350px;
    left: -220px;
    top: 120px;
    background: rgba(57, 108, 255, 0.34);
}

.hero-glow-right {
    width: 300px;
    height: 300px;
    right: -100px;
    bottom: 40px;
    background: rgba(255, 59, 104, 0.2);
}

.ecosystem-orbit {
    position: relative;
    width: min(500px, 100%);
    aspect-ratio: 1;
    margin: auto;
    display: grid;
    place-items: center;
}

.orbit-ring {
    position: absolute;
    border: 1px solid rgba(132, 160, 255, 0.22);
    border-radius: 50%;
}

.orbit-ring-one {
    width: 76%;
    height: 76%;
}

.orbit-ring-two {
    width: 100%;
    height: 100%;
}

.ecosystem-core {
    width: 180px;
    height: 180px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.25), transparent 25%),
        linear-gradient(145deg, #366fff, #743cff 58%, #ff3c67);
    box-shadow:
        0 25px 80px rgba(76, 81, 255, 0.45),
        inset 0 0 40px rgba(255, 255, 255, 0.15);
}

.ecosystem-core span {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.ecosystem-core small {
    margin-top: 4px;
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.22em;
}

.orbit-app {
    position: absolute;
    min-width: 88px;
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    text-align: center;
    color: #dce5ff;
    background: rgba(12, 24, 49, 0.9);
    box-shadow: var(--shadow);
    font-size: 0.74rem;
    font-weight: 800;
}

.orbit-social {
    top: 5%;
    left: 34%;
}

.orbit-messenger {
    right: -2%;
    top: 36%;
}

.orbit-pay {
    right: 8%;
    bottom: 12%;
}

.orbit-browser {
    left: 4%;
    bottom: 13%;
}

.orbit-pub {
    left: -4%;
    top: 36%;
}

.section {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
    padding: 110px 0;
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 54px;
    text-align: center;
}

.section-heading h2,
.ai-content h2,
.company-card h2 {
    margin: 20px 0 16px;
    font-size: clamp(2rem, 4vw, 3.3rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.section-heading p,
.ai-content > p,
.company-card p {
    margin: 0;
    color: var(--text-soft);
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.application-card {
    position: relative;
    min-height: 430px;
    padding: 30px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-large);
    display: flex;
    flex-direction: column;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.055), transparent),
        var(--surface);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.18);
    transition:
        transform 0.25s ease,
        border-color 0.25s ease;
}

.application-card:hover {
    transform: translateY(-7px);
    border-color: rgba(111, 150, 255, 0.45);
}

.featured-card {
    background:
        radial-gradient(circle at 100% 0, rgba(57, 108, 255, 0.2), transparent 42%),
        var(--surface);
}

.ai-card {
    background:
        radial-gradient(circle at 100% 0, rgba(255, 59, 104, 0.15), transparent 42%),
        var(--surface);
}

.application-icon,
.platform-icon {
    width: 58px;
    height: 58px;
    border-radius: 17px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    box-shadow: 0 12px 32px rgba(57, 108, 255, 0.24);
    font-weight: 900;
}

.status-badge {
    position: absolute;
    top: 30px;
    right: 26px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 800;
}

.status-available {
    color: #7bf0c8;
    background: rgba(31, 209, 154, 0.12);
}

.status-soon {
    color: #ffd18b;
    background: rgba(255, 184, 77, 0.13);
}

.status-development {
    color: #b8c9ff;
    background: rgba(57, 108, 255, 0.13);
}

.application-card h3 {
    margin: 26px 0 10px;
    font-size: 1.48rem;
}

.application-card p {
    margin: 0;
    color: var(--text-soft);
}

.application-card ul {
    margin: 24px 0;
    padding-left: 20px;
    color: #cad4e8;
    font-size: 0.91rem;
}

.application-card li + li {
    margin-top: 7px;
}

.card-link {
    margin-top: auto;
    color: #a7bfff;
    font-weight: 800;
    text-decoration: none;
}

.card-link-disabled {
    color: #71809c;
}

.ai-panel,
.company-card {
    padding: 60px;
    border: 1px solid var(--surface-border);
    border-radius: 36px;
    background:
        radial-gradient(circle at 0 100%, rgba(57, 108, 255, 0.16), transparent 40%),
        radial-gradient(circle at 100% 0, rgba(255, 59, 104, 0.12), transparent 34%),
        var(--surface);
    box-shadow: var(--shadow);
}

.ai-panel {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    align-items: center;
    gap: 60px;
}

.ai-features {
    margin-top: 34px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.ai-features div {
    padding: 18px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.035);
}

.ai-features strong,
.ai-features span {
    display: block;
}

.ai-features span {
    margin-top: 6px;
    color: var(--text-soft);
    font-size: 0.76rem;
}

.ai-window {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 22px;
    background: #071124;
    box-shadow: var(--shadow);
}

.ai-window-header {
    min-height: 54px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ai-window-header strong {
    margin-left: 10px;
    font-size: 0.82rem;
}

.window-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #ff6384;
}

.window-dot:nth-child(2) {
    background: #ffbd56;
}

.window-dot:nth-child(3) {
    background: #38d9a9;
}

.ai-message {
    max-width: 85%;
    margin: 20px;
    padding: 15px 17px;
    border-radius: 16px;
    font-size: 0.88rem;
}

.ai-message-user {
    margin-left: auto;
    background: linear-gradient(120deg, var(--primary), var(--secondary));
}

.ai-message-assistant {
    color: #cad6ed;
    background: rgba(255, 255, 255, 0.07);
}

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

.download-card {
    padding: 24px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-large);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    background: var(--surface);
}

.download-card h3 {
    margin: 0;
}

.download-card p {
    margin: 5px 0 16px;
    color: var(--text-soft);
    font-size: 0.85rem;
}

.download-status {
    grid-column: 2;
    color: #93a5c5;
    font-size: 0.76rem;
    font-weight: 800;
}

.security-note {
    max-width: 760px;
    margin: 34px auto 0;
    color: var(--text-soft);
    text-align: center;
    font-size: 0.82rem;
}

.company-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.company-card > div:first-child {
    max-width: 720px;
}

.company-signature {
    min-width: 280px;
    padding: 24px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-medium);
    background: rgba(255, 255, 255, 0.035);
}

.company-signature strong,
.company-signature span {
    display: block;
}

.company-signature span {
    margin-top: 8px;
    color: var(--text-soft);
    font-size: 0.78rem;
}

footer {
    margin-top: 60px;
    padding: 36px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-soft);
    text-align: center;
    background: rgba(5, 11, 25, 0.9);
}

footer p {
    margin: 0;
}

@media (max-width: 1050px) {
    nav ul {
        gap: 15px;
    }

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

    .hero-description {
        margin-inline: auto;
    }

    .hero-actions,
    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        max-width: 560px;
        margin: auto;
    }

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

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

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

@media (max-width: 760px) {
    nav {
        min-height: 68px;
    }

    nav ul {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: 70px;
        gap: 30px;
    }

    .hero h1 {
        font-size: clamp(2.6rem, 13vw, 4rem);
    }

    .hero-stats {
        gap: 20px;
    }

    .ecosystem-orbit {
        transform: scale(0.82);
    }

    .section {
        padding: 76px 0;
    }

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

    .ai-panel,
    .company-card {
        padding: 30px 22px;
    }

    .ai-features {
        grid-template-columns: 1fr;
    }

    .company-card {
        flex-direction: column;
        align-items: stretch;
    }

    .company-signature {
        min-width: 0;
    }
}