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

body {
    background: #ffffff;
    color: #0b1f3a;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

/* Sub Header */

.sites-sub-header {
    width: 100%;
    background: linear-gradient(90deg, #ffffff 0%, #f3f0ff 38%, #826af7 100%);
    border-bottom: 1px solid rgba(130, 106, 247, 0.25);
}

.sites-sub-header__container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 18px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
}

.sites-sub-header__brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.sites-sub-header__logo {
    height: 38px;
    width: auto;
    max-width: 280px;
    display: block;
    object-fit: contain;
}

.sites-sub-header__nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 26px;
    flex-wrap: wrap;
}

.sites-sub-header__nav a {
    display: inline-block;
    text-decoration: none;
    color: #ffffff;
    font-size: clamp(1.25rem, 1.2vw, 1.8rem);
    line-height: 1.1;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: -0.03em;
    transition: color 0.25s ease, transform 0.25s ease;
}

.sites-sub-header__nav a:hover {
    color: #0b1f3a;
    transform: translateY(-2px);
}

/* Shared */

.sites-hero__eyebrow,
.sites-overview__eyebrow,
.sites-architecture__eyebrow,
.sites-difference__eyebrow,
.sites-capabilities__eyebrow,
.sites-commercial-model__eyebrow,
.sites-contact__eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    color: #826af7;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sites-overview h2,
.sites-architecture__header h2,
.sites-difference h2,
.sites-capabilities h2,
.sites-commercial-model h2,
.sites-contact h2 {
    font-size: 4.2rem;
    line-height: 1.08;
    font-weight: 650;
    letter-spacing: -0.06em;
    color: #0b1f3a;
    margin-bottom: 26px;
}

/* Hero */

.sites-hero {
    width: 100%;
    min-height: 720px;
    padding: 110px 32px;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.86) 42%, rgba(130,106,247,0.20) 100%),
        radial-gradient(circle at top right, rgba(130,106,247,0.34), transparent 42%),
        linear-gradient(135deg, #ffffff 0%, #f3f0ff 45%, #eef3ff 100%);
    display: flex;
    align-items: center;
}

.sites-hero__container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

.sites-hero__content {
    max-width: 940px;
}

.sites-hero h1 {
    font-size: 6.6rem;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.08em;
    color: #0b1f3a;
    margin-bottom: 28px;
}

.sites-hero p {
    font-size: 2.2rem;
    line-height: 1.55;
    color: #40516a;
    max-width: 880px;
}

.sites-hero__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
}

.sites-hero__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 0 30px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 700;
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

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

.sites-hero__button--primary {
    background: #826af7;
    color: #ffffff;
    border: 1px solid #826af7;
}

.sites-hero__button--primary:hover {
    background: #1f41ea;
    border-color: #1f41ea;
}

.sites-hero__button--secondary {
    background: #ffffff;
    color: #0b1f3a;
    border: 1px solid #d8ddec;
}

.sites-hero__button--secondary:hover {
    border-color: #826af7;
    color: #826af7;
}

/* Overview */

.sites-overview {
    width: 100%;
    padding: 96px 32px;
    background: #ffffff;
}

.sites-overview__container {
    max-width: 1080px;
    margin: 0 auto;
}

.sites-overview p {
    font-size: 2rem;
    line-height: 1.6;
    color: #40516a;
    margin-bottom: 18px;
}

/* Architecture */

.sites-architecture {
    width: 100%;
    padding: 104px 32px;
    background: #f8f9ff;
}

.sites-architecture__container {
    max-width: 1280px;
    margin: 0 auto;
}

.sites-architecture__header {
    max-width: 940px;
    margin-bottom: 58px;
}

.sites-architecture__header p {
    font-size: 2rem;
    line-height: 1.55;
    color: #40516a;
}

.sites-architecture__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.sites-architecture__card {
    min-height: 300px;
    padding: 32px;
    border: 1px solid #e5e8ef;
    border-radius: 22px;
    background: #ffffff;
    box-shadow: 0 18px 45px rgba(11, 31, 58, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.sites-architecture__card:hover {
    transform: translateY(-6px);
    border-color: #826af7;
    box-shadow: 0 26px 70px rgba(11, 31, 58, 0.13);
}

.sites-architecture__card--featured {
    background: linear-gradient(180deg, #ffffff 0%, #f3f0ff 100%);
    border-color: #826af7;
}

.sites-architecture__code {
    display: inline-block;
    margin-bottom: 18px;
    padding: 8px 14px;
    border-radius: 999px;
    background: #f3f0ff;
    color: #826af7;
    font-size: 1.45rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.sites-architecture__card h3 {
    font-size: 2.45rem;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.045em;
    color: #0b1f3a;
    margin-bottom: 16px;
}

.sites-architecture__card p {
    font-size: 1.8rem;
    line-height: 1.5;
    color: #40516a;
}

/* Difference */

.sites-difference {
    width: 100%;
    padding: 96px 32px;
    background: #ffffff;
}

.sites-difference__container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 52px;
    align-items: center;
}

.sites-difference__content p {
    font-size: 2rem;
    line-height: 1.6;
    color: #40516a;
    margin-bottom: 18px;
}

.sites-difference__panel {
    padding: 34px;
    border-radius: 24px;
    border: 1px solid #826af7;
    background: linear-gradient(180deg, #ffffff 0%, #f3f0ff 100%);
    box-shadow: 0 18px 45px rgba(11, 31, 58, 0.08);
}

.sites-difference__panel h3 {
    font-size: 2.6rem;
    line-height: 1.15;
    letter-spacing: -0.045em;
    color: #0b1f3a;
    margin-bottom: 24px;
}

.sites-difference__panel ul {
    list-style: none;
}

.sites-difference__panel li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 15px;
    font-size: 1.9rem;
    line-height: 1.45;
    color: #40516a;
}

.sites-difference__panel li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #826af7;
}

/* Capabilities */

.sites-capabilities {
    width: 100%;
    padding: 96px 32px;
    background: linear-gradient(135deg, #ffffff 0%, #f3f0ff 50%, #eef3ff 100%);
}

.sites-capabilities__container {
    max-width: 1280px;
    margin: 0 auto;
}

.sites-capabilities__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 44px;
}

.sites-capabilities__grid div {
    padding: 26px;
    border: 1px solid #e5e8ef;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.84);
    color: #40516a;
    font-size: 1.8rem;
    line-height: 1.45;
}

/* Commercial Model */

.sites-commercial-model {
    width: 100%;
    padding: 96px 32px;
    background: #f8f9ff;
}

.sites-commercial-model__container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 52px;
    align-items: center;
}

.sites-commercial-model__content p {
    font-size: 2rem;
    line-height: 1.6;
    color: #40516a;
}

.sites-commercial-model__card {
    padding: 34px;
    border-radius: 24px;
    border: 1px solid #826af7;
    background: linear-gradient(180deg, #ffffff 0%, #f3f0ff 100%);
    box-shadow: 0 18px 45px rgba(11, 31, 58, 0.08);
}

.sites-commercial-model__card h3 {
    font-size: 2.8rem;
    line-height: 1.15;
    letter-spacing: -0.045em;
    color: #0b1f3a;
    margin-bottom: 16px;
}

.sites-commercial-model__card p {
    font-size: 1.9rem;
    line-height: 1.5;
    color: #40516a;
}

/* Contact */

.sites-contact {
    width: 100%;
    padding: 86px 32px;
    background: linear-gradient(135deg, #0b1f3a 0%, #1f41ea 52%, #826af7 100%);
    color: #ffffff;
}

.sites-contact__container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
}

.sites-contact__content {
    max-width: 860px;
}

.sites-contact__eyebrow {
    color: rgba(255, 255, 255, 0.78);
}

.sites-contact h2 {
    color: #ffffff;
}

.sites-contact p {
    font-size: 2rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
}

.sites-contact__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 0 30px;
    border-radius: 999px;
    background: #ffffff;
    color: #0b1f3a;
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 700;
    white-space: nowrap;
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.sites-contact__button:hover {
    transform: translateY(-3px);
    background: #f3f0ff;
    color: #826af7;
}

/* Responsive */

@media (max-width: 1100px) {
    .sites-sub-header__container {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .sites-sub-header__nav {
        width: 100%;
        justify-content: flex-start;
    }

    .sites-architecture__grid,
    .sites-capabilities__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sites-difference__container,
    .sites-commercial-model__container {
        grid-template-columns: 1fr;
    }

    .sites-contact__container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .sites-sub-header {
        background: linear-gradient(135deg, #ffffff 0%, #f3f0ff 48%, #826af7 100%);
    }

    .sites-sub-header__container {
        padding: 20px 24px;
    }

    .sites-sub-header__logo {
        height: auto;
        width: 100%;
        max-width: 240px;
    }

    .sites-sub-header__nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .sites-sub-header__nav a {
        width: 100%;
        padding: 12px 14px;
        border: 1px solid rgba(130, 106, 247, 0.22);
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.72);
        color: #10233f;
        font-size: 1.3rem;
    }

    .sites-hero {
        min-height: auto;
        padding: 88px 24px;
    }

    .sites-hero h1 {
        font-size: 4.3rem;
    }

    .sites-hero p,
    .sites-overview p,
    .sites-architecture__header p,
    .sites-difference__content p,
    .sites-commercial-model__content p,
    .sites-contact p {
        font-size: 2rem;
    }

    .sites-overview,
    .sites-architecture,
    .sites-difference,
    .sites-capabilities,
    .sites-commercial-model {
        padding: 74px 24px;
    }

    .sites-overview h2,
    .sites-architecture__header h2,
    .sites-difference h2,
    .sites-capabilities h2,
    .sites-commercial-model h2,
    .sites-contact h2 {
        font-size: 3rem;
    }

    .sites-architecture__grid,
    .sites-capabilities__grid {
        grid-template-columns: 1fr;
    }

    .sites-hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .sites-hero__button,
    .sites-contact__button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .sites-sub-header__container {
        padding: 18px;
    }

    .sites-sub-header__nav {
        grid-template-columns: 1fr;
    }

    .sites-hero {
        padding: 72px 18px;
    }

    .sites-hero h1 {
        font-size: 3.5rem;
    }

    .sites-overview,
    .sites-architecture,
    .sites-difference,
    .sites-capabilities,
    .sites-commercial-model,
    .sites-contact {
        padding: 58px 18px;
    }

    .sites-architecture__card,
    .sites-difference__panel,
    .sites-capabilities__grid div,
    .sites-commercial-model__card {
        padding: 26px;
    }

    .sites-architecture__card h3,
    .sites-difference__panel h3,
    .sites-commercial-model__card h3 {
        font-size: 2.3rem;
    }
}