* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #f6f8fb;
    color: #111827;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Arial,
        sans-serif;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 24px 6%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(246, 248, 251, 0.78);
    border-bottom: 1px solid rgba(17, 24, 39, 0.06);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.logo {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.28em;
    color: #111827;
}

.language-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(17, 24, 39, 0.08);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
}

.language-switch a {
    color: #7b8492;
    text-decoration: none;
    transition: 0.25s ease;
}

.language-switch a:hover {
    color: #1769e0;
}

.language-switch span {
    color: #c4c9d1;
}

.language-switch .active {
    color: #1769e0;
    font-weight: 700;
}

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 120px 6% 80px;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 0%,
            rgba(37, 125, 255, 0.12),
            transparent 38%),
        linear-gradient(180deg,
            #ffffff 0%,
            #f6f8fb 100%);
}

.hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    top: -260px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50%;
    background: rgba(23, 105, 224, 0.08);
    filter: blur(70px);
    pointer-events: none;
}

.hero-content {
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    animation: appear 0.9s ease forwards;
}

.hero h1 {
    margin: 0;
    text-align: center;
    font-size: clamp(3rem, 8vw, 6.5rem);
    letter-spacing: 0.18em;
    font-weight: 800;
    color: #111827;
}

.hero-text {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-right: 70px;
    margin-top: 30px;
}

.hero-text p {
    max-width: 480px;
    margin: 0;
    text-align: right;
    font-size: 1.35rem;
    line-height: 1.7;
    color: #667085;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 34px;
    padding: 15px 30px;
    border-radius: 14px;
    background: #1769e0;
    color: white;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(23, 105, 224, 0.2);
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        background 0.25s ease;
}

.hero-button:hover {
    transform: translateY(-3px);
    background: #125bc4;
    box-shadow: 0 14px 30px rgba(23, 105, 224, 0.25);
}

.scroll-indicator {
    position: absolute;
    bottom: 34px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #98a2b3;
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    animation: float 2s infinite;
}

.arrow {
    font-size: 1.4rem;
    color: #1769e0;
}

.section {
    max-width: 1120px;
    margin: auto;
    padding: 110px 30px;
    text-align: center;
}

.section h2 {
    margin: 0 0 48px;
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    letter-spacing: -0.04em;
    font-weight: 800;
    color: #111827;
}

.section p {
    color: #667085;
    font-size: 1.08rem;
    line-height: 1.8;
}

.cards {
    display: flex;
    gap: 24px;
}

.card,
.software-card {
    flex: 1;
    padding: 42px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(17, 24, 39, 0.07);
    box-shadow:
        0 12px 35px rgba(15, 23, 42, 0.06),
        0 2px 8px rgba(15, 23, 42, 0.03);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.card:hover,
.software-card:hover {
    transform: translateY(-5px);
    box-shadow:
        0 18px 45px rgba(15, 23, 42, 0.09),
        0 4px 12px rgba(15, 23, 42, 0.04);
}

.card h3,
.software-card h3 {
    margin: 0 0 18px;
    font-size: 1.55rem;
    font-weight: 750;
    color: #111827;
}

.card p,
.software-card p {
    margin: 0;
}

.software-card {
    max-width: 800px;
    margin: auto;
    position: relative;
    overflow: hidden;
    text-align: left;
}

.software-card::before {
    content: "";
    position: absolute;
    width: 280px;
    height: 280px;
    top: -160px;
    right: -100px;
    border-radius: 50%;
    background: rgba(23, 105, 224, 0.08);
    filter: blur(25px);
    pointer-events: none;
}

.software-card span {
    position: relative;
    font-size: 0.72rem;
    letter-spacing: 0.25em;
    font-weight: 700;
    color: #1769e0;
}

.software-card h3 {
    position: relative;
    margin-top: 12px;
    font-size: 2.3rem;
    letter-spacing: 0.03em;
}

.software-card p {
    position: relative;
}

.software-card a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
    padding: 14px 25px;
    border-radius: 13px;
    background: #1769e0;
    color: white;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(23, 105, 224, 0.18);
    transition:
        transform 0.25s ease,
        background 0.25s ease;
}

.software-card a:hover {
    transform: translateY(-2px);
    background: #125bc4;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 800px;
    margin: auto;
}

.service-list div {
    padding: 24px 28px;
    border-radius: 18px;
    background: white;
    border: 1px solid rgba(17, 24, 39, 0.07);
    color: #344054;
    font-size: 1.05rem;
    font-weight: 550;
    box-shadow: 0 7px 22px rgba(15, 23, 42, 0.04);
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.service-list div:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.07);
}

.contact {
    margin-top: 20px;
    padding: 120px 30px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 100%,
            rgba(23, 105, 224, 0.1),
            transparent 40%),
        #eef3f9;
}

.contact h2 {
    margin: 0 0 18px;
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    letter-spacing: -0.04em;
    color: #111827;
}

.contact p {
    margin: 0;
    color: #667085;
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact a {
    display: inline-flex;
    margin-top: 24px;
    color: #1769e0;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.25s ease;
}

.contact a:hover {
    color: #125bc4;
}

footer {
    padding: 50px 20px;
    text-align: center;
    color: #98a2b3;
    line-height: 1.8;
    background: #f6f8fb;
    border-top: 1px solid rgba(17, 24, 39, 0.07);
}

footer strong {
    color: #344054;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(8px);
    }

    100% {
        transform: translateY(0);
    }
}

@keyframes appear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 800px) {
    header {
        padding: 20px 5%;
    }

    .logo {
        font-size: 0.85rem;
        letter-spacing: 0.2em;
    }

    .hero {
        padding: 110px 5% 80px;
    }

    .hero h1 {
        font-size: clamp(2.8rem, 14vw, 5rem);
        letter-spacing: 0.12em;
    }

    .hero-text {
        align-items: center;
        padding-right: 0;
        margin-top: 28px;
    }

    .hero-text p {
        text-align: center;
        font-size: 1.15rem;
    }

    .hero-button {
        width: auto;
    }

    .cards {
        flex-direction: column;
    }

    .section {
        padding: 85px 22px;
    }

    .section h2 {
        font-size: 2.2rem;
        margin-bottom: 36px;
    }

    .card,
    .software-card {
        padding: 30px 24px;
        border-radius: 20px;
    }

    .software-card h3 {
        font-size: 2rem;
    }

    .service-list div {
        padding: 21px;
    }

    .contact {
        padding: 90px 22px;
    }

    .language-switch {
        padding: 7px 12px;
        font-size: 0.72rem;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}