:root {
    --background: #07090d;
    --surface: #10141b;
    --surface-light: #171d26;
    --primary: #775cff;
    --primary-light: #9b8aff;
    --text: #ffffff;
    --text-muted: #a6adbb;
    --border: rgba(255, 255, 255, 0.10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--background);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

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

.website {
    min-height: 100vh;
    overflow: hidden;
}

/* Header */

.main-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    right: 0;
    height: 86px;
    padding: 0 7%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(7, 9, 13, 0.78);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-symbol {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--primary), #3c8cff);
    font-size: 23px;
    font-weight: 900;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

    .brand-text strong {
        font-size: 20px;
        letter-spacing: 4px;
    }

    .brand-text small {
        margin-top: 2px;
        color: var(--text-muted);
        font-size: 10px;
        letter-spacing: 1px;
    }

.main-navigation {
    display: flex;
    align-items: center;
    gap: 34px;
}

    .main-navigation a {
        color: var(--text-muted);
        font-size: 14px;
        transition: 0.25s;
    }

        .main-navigation a:hover {
            color: white;
        }

    .main-navigation .navigation-button {
        padding: 11px 20px;
        color: white;
        border: 1px solid var(--border);
        border-radius: 10px;
    }

/* Hero */

.hero-section {
    position: relative;
    min-height: 100vh;
    padding: 150px 7% 90px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 60px;
}

.hero-background {
    position: absolute;
    z-index: -1;
    inset: 0;
    background: radial-gradient(circle at 80% 35%, rgba(119, 92, 255, 0.25), transparent 35%), radial-gradient(circle at 10% 80%, rgba(35, 121, 255, 0.12), transparent 35%);
}

.hero-content {
    max-width: 760px;
}

.hero-badge,
.section-heading > span,
.about-content > span,
.contact-section span {
    display: inline-block;
    margin-bottom: 24px;
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
}

.hero-content h1 {
    margin: 0;
    max-width: 850px;
    font-size: clamp(52px, 6vw, 94px);
    line-height: 0.98;
    letter-spacing: -5px;
}

    .hero-content h1 span {
        display: block;
        color: var(--primary-light);
    }

.hero-content p {
    max-width: 650px;
    margin: 35px 0;
    color: var(--text-muted);
    font-size: 18px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

.primary-button,
.secondary-button,
.light-button {
    padding: 16px 25px;
    border-radius: 12px;
    font-weight: 700;
    transition: 0.25s;
}

.primary-button {
    background: var(--primary);
}

    .primary-button:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(119, 92, 255, 0.35);
    }

.secondary-button {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

/* Hero visual */

.hero-visual {
    position: relative;
    min-height: 540px;
    display: grid;
    place-items: center;
}

.platform-core {
    position: relative;
    width: 310px;
    height: 310px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(155, 138, 255, 0.45);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(119, 92, 255, 0.25), rgba(16, 20, 27, 0.75));
    box-shadow: 0 0 100px rgba(119, 92, 255, 0.18), inset 0 0 70px rgba(119, 92, 255, 0.13);
}

    .platform-core::before,
    .platform-core::after {
        content: "";
        position: absolute;
        border: 1px solid var(--border);
        border-radius: 50%;
    }

    .platform-core::before {
        inset: -45px;
    }

    .platform-core::after {
        inset: -95px;
    }

.core-logo {
    width: 84px;
    height: 84px;
    margin-bottom: 20px;
    display: grid;
    place-items: center;
    border-radius: 25px;
    background: linear-gradient(135deg, var(--primary), #3c8cff);
    font-size: 44px;
    font-weight: 900;
}

.platform-core strong {
    letter-spacing: 3px;
}

.platform-core span {
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 12px;
}

.floating-card {
    position: absolute;
    padding: 15px 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(16, 20, 27, 0.82);
    backdrop-filter: blur(12px);
    color: #dfe3eb;
    font-size: 13px;
}

.card-one {
    top: 65px;
    left: 0;
}

.card-two {
    top: 175px;
    right: -10px;
}

.card-three {
    bottom: 55px;
    left: 30px;
}

/* Shared sections */

.platform-section,
.solutions-section,
.about-section {
    padding: 120px 7%;
}

.platform-section {
    background: var(--surface);
}

.section-heading {
    max-width: 780px;
    margin-bottom: 60px;
}

    .section-heading.centered {
        margin-right: auto;
        margin-left: auto;
        text-align: center;
    }

    .section-heading h2,
    .about-content h2,
    .contact-section h2 {
        margin: 0;
        font-size: clamp(38px, 5vw, 70px);
        line-height: 1.05;
        letter-spacing: -3px;
    }

    .section-heading p,
    .about-content p {
        margin-top: 25px;
        color: var(--text-muted);
        font-size: 17px;
        line-height: 1.8;
    }

/* Features */

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

.feature-card,
.solution-card {
    padding: 35px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.025);
    transition: 0.3s;
}

    .feature-card:hover,
    .solution-card:hover {
        transform: translateY(-6px);
        border-color: rgba(155, 138, 255, 0.45);
        background: rgba(119, 92, 255, 0.06);
    }

.feature-number {
    color: var(--primary-light);
    font-weight: 800;
}

.feature-card h3,
.solution-card h3 {
    margin: 35px 0 15px;
    font-size: 24px;
}

.feature-card p,
.solution-card p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.75;
}

/* Solutions */

.solutions-section {
    background: var(--background);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.solution-icon {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: var(--surface-light);
    color: var(--primary-light);
    font-weight: 800;
}

/* About */

.about-section {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    background: var(--surface);
}

.about-statistics {
    display: grid;
    gap: 20px;
}

    .about-statistics div {
        padding: 30px;
        border: 1px solid var(--border);
        border-radius: 18px;
    }

    .about-statistics strong {
        display: block;
        color: var(--primary-light);
        font-size: 44px;
    }

    .about-statistics span {
        color: var(--text-muted);
    }

/* Contact */

.contact-section {
    padding: 100px 7%;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    background: linear-gradient(135deg, #6246ea, #375bd2);
}

    .contact-section div {
        max-width: 800px;
    }

    .contact-section span {
        color: rgba(255, 255, 255, 0.75);
    }

.light-button {
    flex-shrink: 0;
    background: white;
    color: #17122c;
}

/* Footer */

.main-footer {
    padding: 55px 7%;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    border-top: 1px solid var(--border);
    background: #05070a;
}

    .main-footer strong {
        letter-spacing: 4px;
    }

    .main-footer p {
        margin: 8px 0 0;
        color: var(--text-muted);
        font-size: 13px;
    }

/* Mobile */

@media (max-width: 1000px) {

    .main-navigation {
        display: none;
    }

    .hero-section,
    .about-section {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 470px;
    }

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

@media (max-width: 700px) {

    .main-header {
        height: 75px;
        padding: 0 22px;
    }

    .brand-text small {
        display: none;
    }

    .hero-section {
        padding: 125px 22px 70px;
    }

    .hero-content h1 {
        font-size: 52px;
        letter-spacing: -3px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .primary-button,
    .secondary-button {
        text-align: center;
    }

    .platform-section,
    .solutions-section,
    .about-section {
        padding: 80px 22px;
    }

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

    .platform-core {
        width: 230px;
        height: 230px;
    }

        .platform-core::before {
            inset: -30px;
        }

        .platform-core::after {
            inset: -60px;
        }

    .floating-card {
        font-size: 11px;
        padding: 12px;
    }

    .contact-section,
    .main-footer {
        padding: 65px 22px;
        flex-direction: column;
        align-items: flex-start;
    }
}