:root {
    --sp-blue: #0f5bd7;
    --sp-blue-dark: #0a2a66;
    --sp-blue-soft: #e8f0ff;
    --sp-orange: #ff9800;
    --sp-green: #36b44a;
    --sp-red: #ff3b35;
    --sp-text: #10265a;
    --sp-muted: #667085;
    --sp-border: #d8e4ff;
    --sp-bg: #eef3ff;
    --sp-white: #ffffff;
    --sp-shadow: 0 18px 50px rgba(15, 91, 215, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.front-page {
    margin: 0;
    color: var(--sp-text);
    background: var(--sp-bg);
    font-family: Arial, "Segoe UI", sans-serif;
}

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

.front-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
    padding: 12px clamp(18px, 4vw, 56px);
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(216, 228, 255, 0.75);
    backdrop-filter: blur(12px);
    transition: box-shadow 0.2s ease, min-height 0.2s ease;
}

.front-header.is-scrolled {
    min-height: 62px;
    box-shadow: 0 10px 30px rgba(10, 42, 102, 0.12);
}

.front-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0;
    color: var(--sp-blue-dark);
}

.front-brand img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.front-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.front-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--sp-blue-dark);
    font-weight: 800;
    transition: background 0.2s ease, color 0.2s ease;
}

.front-nav a:hover {
    background: var(--sp-blue-soft);
    color: var(--sp-blue);
}

.front-login-link {
    background: var(--sp-blue);
    color: var(--sp-white) !important;
}

.front-login-link:hover {
    background: var(--sp-blue-dark) !important;
}

.front-nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 6px;
    color: var(--sp-white);
    background: var(--sp-blue);
    cursor: pointer;
}

.front-hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: end;
    gap: clamp(24px, 5vw, 70px);
    padding: 128px clamp(18px, 5vw, 72px) 56px;
    color: var(--sp-white);
    background-image:
        linear-gradient(90deg, rgba(10, 42, 102, 0.92), rgba(15, 91, 215, 0.76), rgba(10, 42, 102, 0.35)),
        var(--hero-image);
    background-size: cover;
    background-position: center;
}

.front-hero-content {
    max-width: 820px;
}

.front-kicker,
.front-section-heading span,
.front-experience-copy span,
.front-contact span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--sp-blue);
    background: var(--sp-blue-soft);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0;
}

.front-hero .front-kicker {
    color: var(--sp-white);
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.24);
}

.front-hero h1 {
    margin: 18px 0 12px;
    font-size: clamp(52px, 8vw, 108px);
    line-height: 0.9;
    letter-spacing: 0;
}

.front-hero p {
    max-width: 700px;
    margin: 0;
    color: rgba(255, 255, 255, 0.88);
    font-size: clamp(18px, 2.2vw, 24px);
    line-height: 1.45;
}

.front-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.front-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: 6px;
    font-weight: 900;
}

.front-button:disabled {
    opacity: 0.65;
    cursor: wait;
}

.front-button-primary {
    color: var(--sp-white);
    background: var(--sp-orange);
}

.front-button-light {
    color: var(--sp-blue-dark);
    background: var(--sp-white);
}

.front-button-bordered {
    border: 1px solid var(--sp-border);
}

.front-hero-panel {
    display: grid;
    gap: 10px;
    align-self: end;
}

.front-hero-panel div {
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(10px);
}

.front-hero-panel strong {
    display: block;
    font-size: 34px;
    line-height: 1;
}

.front-hero-panel span {
    display: block;
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.86);
    font-weight: 700;
}

.front-section {
    padding: clamp(58px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.front-section-light {
    background: var(--sp-white);
}

.front-section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.front-section-heading h2,
.front-experience-copy h2,
.front-contact h2 {
    margin: 14px 0 10px;
    color: var(--sp-blue-dark);
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1.02;
    letter-spacing: 0;
}

.front-section-heading p,
.front-experience-copy p,
.front-contact p {
    margin: 0;
    color: var(--sp-muted);
    font-size: 18px;
    line-height: 1.6;
}

.front-digital-grid {
    display: grid;
    grid-template-columns: 1.25fr repeat(3, minmax(180px, 1fr));
    gap: 16px;
}

.front-service-card,
.front-multiservice-grid article {
    min-height: 220px;
    padding: 22px;
    border: 1px solid var(--sp-border);
    border-radius: 8px;
    background: var(--sp-white);
    box-shadow: var(--sp-shadow);
}

.front-service-card i,
.front-multiservice-grid i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 8px;
    color: var(--sp-blue);
    background: var(--sp-blue-soft);
    font-size: 22px;
}

.front-service-card h3,
.front-multiservice-grid h3 {
    margin: 18px 0 8px;
    color: var(--sp-blue-dark);
    font-size: 23px;
}

.front-service-card p,
.front-multiservice-grid p {
    margin: 0;
    color: var(--sp-muted);
    line-height: 1.55;
}

.front-service-card-main {
    padding: 0;
    overflow: hidden;
}

.front-service-card-main img {
    display: block;
    width: 100%;
    height: 245px;
    object-fit: cover;
}

.front-service-card-main div {
    padding: 22px;
}

.front-service-card:nth-child(3) i {
    color: var(--sp-orange);
    background: #fff3df;
}

.front-service-card:nth-child(4) i {
    color: var(--sp-green);
    background: #e9f8ec;
}

.front-multiservice-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.front-multiservice-grid article:nth-child(2) i {
    color: var(--sp-orange);
    background: #fff3df;
}

.front-multiservice-grid article:nth-child(3) i {
    color: var(--sp-green);
    background: #e9f8ec;
}

.front-multiservice-grid article:nth-child(4) i {
    color: var(--sp-red);
    background: #ffe9e8;
}

.front-technical-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.front-technical-grid article:nth-child(2) i {
    color: var(--sp-orange);
    background: #fff3df;
}

.front-experience {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 28px;
    align-items: center;
    background: var(--sp-white);
}

.front-process {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.front-process div {
    min-height: 132px;
    padding: 20px;
    border: 1px solid var(--sp-border);
    border-radius: 8px;
    background: var(--sp-blue-soft);
}

.front-process strong {
    display: block;
    color: var(--sp-blue);
    font-size: 30px;
}

.front-process span {
    display: block;
    margin-top: 12px;
    color: var(--sp-blue-dark);
    font-size: 18px;
    font-weight: 900;
}

.front-contact {
    display: grid;
    grid-template-columns: minmax(300px, 0.85fr) minmax(420px, 1.15fr);
    gap: 18px 28px;
    align-items: stretch;
}

.front-contact-intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 265px;
    padding: clamp(24px, 4vw, 38px);
    border-radius: 8px;
    color: var(--sp-white);
    background:
        linear-gradient(135deg, rgba(10, 42, 102, 0.98), rgba(15, 91, 215, 0.90)),
        var(--hero-image, none);
    background-size: cover;
    background-position: center;
    box-shadow: var(--sp-shadow);
}

.front-contact-intro span {
    width: fit-content;
    color: var(--sp-blue-dark);
    background: var(--sp-orange);
}

.front-contact-intro h2 {
    color: var(--sp-white);
    font-size: clamp(32px, 4vw, 52px);
}

.front-contact-intro p {
    color: rgba(255, 255, 255, 0.86);
}

.front-contact-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 18px;
    border: 1px solid var(--sp-border);
    border-radius: 8px;
    background: var(--sp-white);
    box-shadow: var(--sp-shadow);
}

.front-contact-card a,
.front-address {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 3px 11px;
    align-items: center;
    min-height: 70px;
    padding: 12px;
    border-radius: 8px;
    background: var(--sp-blue-soft);
}

.front-contact-card i {
    grid-row: span 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    color: var(--sp-white);
    background: var(--sp-blue);
}

.front-contact-card span {
    padding: 0;
    color: var(--sp-muted);
    background: transparent;
    font-size: 13px;
    text-transform: none;
}

.front-contact-card strong {
    color: var(--sp-blue-dark);
    overflow-wrap: anywhere;
}

.front-contact-form {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding: clamp(22px, 3vw, 34px);
    border: 1px solid var(--sp-border);
    border-radius: 8px;
    background: var(--sp-white);
    box-shadow: var(--sp-shadow);
}

.front-form-heading {
    margin-bottom: 18px;
}

.front-form-heading span {
    display: inline-flex;
    min-height: 28px;
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--sp-orange);
    background: #fff3df;
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
}

.front-form-heading h3 {
    margin: 12px 0 6px;
    color: var(--sp-blue-dark);
    font-size: clamp(30px, 3vw, 42px);
    line-height: 1.08;
}

.front-form-heading p {
    margin: 0;
    color: var(--sp-muted);
    line-height: 1.5;
}

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

.front-form-full {
    grid-column: 1 / -1;
}

.front-contact-form label {
    display: grid;
    gap: 7px;
    margin-bottom: 12px;
    color: var(--sp-blue-dark);
    font-weight: 900;
}

.front-contact-form input,
.front-contact-form select,
.front-contact-form textarea {
    width: 100%;
    border: 1px solid var(--sp-border);
    border-radius: 6px;
    padding: 12px 13px;
    color: var(--sp-text);
    background: #f8fbff;
    font: inherit;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.front-contact-form textarea {
    resize: vertical;
    min-height: 130px;
}

.front-contact-form input:focus,
.front-contact-form select:focus,
.front-contact-form textarea:focus {
    border-color: var(--sp-blue);
    background: var(--sp-white);
    box-shadow: 0 0 0 3px rgba(15, 91, 215, 0.12);
}

.front-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
}

.front-form-actions .front-button {
    width: 100%;
}

.front-form-feedback {
    min-height: 22px;
    margin: 12px 0 0;
    color: var(--sp-red);
    font-weight: 800;
}

.front-form-feedback.is-success {
    color: var(--sp-green);
}

.front-recaptcha {
    margin: 4px 0 14px;
    min-height: 78px;
}

.front-recaptcha-missing {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 64px;
    padding: 12px 14px;
    border: 1px dashed var(--sp-orange);
    border-radius: 8px;
    color: var(--sp-blue-dark);
    background: #fff8ec;
    font-weight: 800;
}

.front-recaptcha-missing i {
    color: var(--sp-orange);
    font-size: 22px;
}

.front-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px clamp(18px, 5vw, 72px);
    color: var(--sp-white);
    background: var(--sp-blue-dark);
}

.front-footer div {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
}

.front-footer img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.front-footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
}

.front-error-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: clamp(24px, 5vw, 72px);
    background:
        radial-gradient(circle at 12% 18%, rgba(255, 152, 0, 0.16), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(15, 91, 215, 0.16), transparent 28%),
        linear-gradient(135deg, #eef3ff 0%, #ffffff 52%, #e8f0ff 100%);
}

.front-error-shell {
    width: min(1120px, 100%);
    display: grid;
    grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
    overflow: hidden;
    border: 1px solid var(--sp-border);
    border-radius: 12px;
    background: var(--sp-white);
    box-shadow: var(--sp-shadow);
}

.front-error-visual {
    position: relative;
    display: grid;
    align-content: center;
    gap: 20px;
    min-height: 540px;
    padding: clamp(28px, 5vw, 56px);
    color: var(--sp-white);
    background:
        linear-gradient(145deg, rgba(10, 42, 102, 0.98), rgba(15, 91, 215, 0.92)),
        url("../images/hero-serviceplus-k3lgYxk.jpg") center/cover;
}

.front-error-visual::after {
    content: "";
    position: absolute;
    right: -90px;
    bottom: -90px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: rgba(255, 152, 0, 0.22);
}

.front-error-logo {
    width: 86px;
    height: 86px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.92);
}

.front-error-logo img {
    width: 62px;
    height: 62px;
    object-fit: contain;
}

.front-error-code {
    font-size: clamp(90px, 14vw, 170px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: 0;
}

.front-error-line {
    width: 120px;
    height: 6px;
    border-radius: 999px;
    background: var(--sp-orange);
}

.front-error-badge {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.14);
    font-weight: 900;
}

.front-error-content {
    display: grid;
    align-content: center;
    padding: clamp(28px, 5vw, 64px);
}

.front-error-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    margin-bottom: 30px;
    color: var(--sp-blue-dark);
    font-size: 22px;
    font-weight: 900;
}

.front-error-brand img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.front-error-content h1 {
    margin: 16px 0 12px;
    color: var(--sp-blue-dark);
    font-size: clamp(42px, 5vw, 68px);
    line-height: 1;
}

.front-error-content p {
    max-width: 620px;
    margin: 0;
    color: var(--sp-muted);
    font-size: 18px;
    line-height: 1.6;
}

.front-error-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 28px 0;
}

.front-error-details div {
    padding: 14px;
    border: 1px solid var(--sp-border);
    border-radius: 8px;
    background: var(--sp-blue-soft);
}

.front-error-details dt {
    margin-bottom: 6px;
    color: var(--sp-muted);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.front-error-details dd {
    margin: 0;
    color: var(--sp-blue-dark);
    font-size: 18px;
    font-weight: 900;
}

.front-error-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.front-error-login {
    color: var(--sp-blue);
    font-weight: 900;
}

@media (max-width: 1120px) {
    .front-hero,
    .front-digital-grid,
    .front-experience,
    .front-contact {
        grid-template-columns: 1fr;
    }

    .front-contact-intro {
        position: static;
    }

    .front-contact-form {
        grid-column: auto;
        grid-row: auto;
    }

    .front-hero-panel {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .front-multiservice-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .front-nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .front-nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 18px;
        right: 18px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 10px;
        border: 1px solid var(--sp-border);
        border-radius: 8px;
        background: var(--sp-white);
        box-shadow: var(--sp-shadow);
    }

    .front-nav.is-open {
        display: flex;
    }

    .front-nav a {
        justify-content: center;
    }

    .front-hero {
        min-height: auto;
        padding-top: 116px;
    }

    .front-hero-panel,
    .front-multiservice-grid,
    .front-technical-grid,
    .front-process,
    .front-form-grid {
        grid-template-columns: 1fr;
    }

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

    .front-error-shell {
        grid-template-columns: 1fr;
    }

    .front-error-visual {
        min-height: 320px;
    }

    .front-error-details {
        grid-template-columns: 1fr;
    }
}