:root {
    --primary: #1d66ff;
    --primary-dark: #0b1023;
    --white: #ffffff;
    --background: #f7f8fc;
    --text: #101321;
    --text-light: rgba(16, 19, 33, 0.65);
    --border: rgba(16, 19, 33, 0.1);
    --container: 1280px;
    --radius: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.6;
}

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

.container {
    width: calc(100% - 40px);
    max-width: var(--container);
    margin: 0 auto;
}

.header {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -1px;
    color: var(--primary);
}

.menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.menu a {
    font-size: 15px;
    color: var(--text-light);
    transition: color 0.2s ease;
}

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

.btn {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
    background: #1358e8;
}

.btn-small {
    min-height: 44px;
    padding: 0 20px;
}

.btn-light {
    background: var(--white);
    color: var(--primary-dark);
}

.btn-light:hover {
    background: #f4f5f8;
}

.btn-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background:
        radial-gradient(circle at 80% 50%, rgba(29, 102, 255, 0.12), transparent 35%),
        var(--white);
    padding: 100px 0;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.hero-content {
    width: 100%;
    max-width: 650px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 650px;
    font-size: 64px;
    line-height: 1.05;
    font-weight: 600;
    letter-spacing: -3px;
    text-wrap: balance;
}

.hero-content > p {
    max-width: 560px;
    margin-top: 24px;
    font-size: 18px;
    color: var(--text-light);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 40px;
}

.hero-visual {
    width: 100%;
    max-width: 520px;
    display: flex;
    justify-content: flex-end;
}

.visual-card {
    width: 100%;
    max-width: 440px;
    min-height: 500px;
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(145deg, #1d66ff, #252499);
    border-radius: 32px;
    box-shadow: 0 30px 80px rgba(29, 102, 255, 0.22);
    color: var(--white);
}

.visual-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 4px;
}

.visual-card h2 {
    font-size: 56px;
    line-height: 1;
    font-weight: 500;
    letter-spacing: -2px;
}

.about,
.services {
    padding: 100px 0;
}

.section-heading {
    max-width: 650px;
}

.section-heading h2 {
    font-size: 44px;
    line-height: 1.15;
    font-weight: 600;
    letter-spacing: -1.5px;
    text-wrap: balance;
}

.section-heading-center {
    margin: 0 auto 64px;
    text-align: center;
}

.about {
    background: var(--background);
}

.about-container {
    display: flex;
    justify-content: space-between;
    gap: 64px;
}

.about-content {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-content p {
    font-size: 17px;
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    min-height: 300px;
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
}

.service-number {
    margin-bottom: auto;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.service-card h3 {
    margin-top: 64px;
    font-size: 24px;
    font-weight: 600;
}

.service-card p {
    margin-top: 12px;
    color: var(--text-light);
    font-size: 15px;
}

.cta {
    padding: 100px 0;
    background: var(--primary-dark);
    color: var(--white);
}

.cta-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 64px;
}

.cta .eyebrow {
    color: rgba(255, 255, 255, 0.55);
}

.cta h2 {
    max-width: 700px;
    font-size: 48px;
    line-height: 1.1;
    font-weight: 500;
    letter-spacing: -2px;
    text-wrap: balance;
}

.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer p {
    font-size: 14px;
    color: var(--text-light);
}

@media (max-width: 900px) {
    .menu {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 50px 0;
    }

    .hero-container {
        flex-direction: column;
        gap: 48px;
    }

    .hero-content,
    .hero-visual {
        max-width: 100%;
    }

    .hero h1 {
        width: 100%;
        font-size: 8vw;
        letter-spacing: -1px;
    }

    .hero-content > p {
        width: 100%;
        font-size: 4vw;
    }

    .hero-visual {
        justify-content: flex-start;
    }

    .visual-card {
        max-width: 100%;
        min-height: 400px;
    }

    .about,
    .services,
    .cta {
        padding: 50px 0;
    }

    .about-container {
        flex-direction: column;
        gap: 32px;
    }

    .section-heading,
    .about-content {
        width: 100%;
        max-width: 100%;
    }

    .section-heading h2 {
        width: 100%;
        font-size: 7vw;
    }

    .about-content p {
        width: 100%;
        font-size: 4vw;
    }

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

    .cta-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }

    .cta h2 {
        width: 100%;
        font-size: 7vw;
    }

    .footer-container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 560px) {
    .header .btn {
        display: none;
    }

    .hero-actions {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .visual-card {
        min-height: 340px;
        padding: 32px;
    }

    .visual-card h2 {
        font-size: 10vw;
    }
}