* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: #172033;
    background: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

body.admin-bar .opct-header {
    top: 32px;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

.opct-container {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.opct-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid #e8ebf0;
    backdrop-filter: blur(12px);
}

.opct-header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    gap: 34px;
}

.opct-logo {
    display: inline-flex;
    align-items: center;
    color: #0f172a;
    font-size: 24px;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.8px;
}

.opct-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-left: auto;
}

.opct-nav a {
    color: #475569;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.opct-nav a:hover {
    color: #1d4ed8;
}

.opct-header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 10px;
    color: #ffffff;
    background: #1d4ed8;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.opct-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    margin-left: auto;
    padding: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #ffffff;
    cursor: pointer;
}

.opct-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;
    background: #0f172a;
}

.opct-hero {
    padding: 100px 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.14), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.opct-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    align-items: center;
    gap: 80px;
}

.opct-eyebrow,
.opct-section-label {
    display: inline-block;
    margin-bottom: 14px;
    color: #1d4ed8;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.8px;
}

.opct-hero h1 {
    max-width: 760px;
    margin: 0;
    color: #0f172a;
    font-size: clamp(46px, 6vw, 76px);
    line-height: 1.02;
    letter-spacing: -3px;
}

.opct-hero-content > p {
    max-width: 650px;
    margin: 26px 0 0;
    color: #64748b;
    font-size: 19px;
}

.opct-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.opct-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.opct-btn:hover {
    transform: translateY(-2px);
}

.opct-btn-primary {
    color: #ffffff;
    background: #1d4ed8;
    box-shadow: 0 12px 30px rgba(29, 78, 216, 0.18);
}

.opct-btn-light {
    color: #0f172a;
    background: #ffffff;
    border-color: #dbe2ea;
}

.opct-trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 34px;
    margin-top: 54px;
}

.opct-trust-row div {
    display: flex;
    flex-direction: column;
}

.opct-trust-row strong {
    color: #0f172a;
    font-size: 20px;
}

.opct-trust-row span {
    color: #94a3b8;
    font-size: 13px;
}

.opct-hero-card {
    padding: 22px;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 30px 70px rgba(15, 23, 42, 0.12);
}

.opct-card-label {
    display: block;
    margin-bottom: 14px;
    color: #64748b;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.6px;
}

.opct-window {
    overflow: hidden;
    border: 1px solid #dbe2ea;
    border-radius: 16px;
    background: #ffffff;
}

.opct-window-top {
    display: flex;
    gap: 6px;
    padding: 12px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.opct-window-top i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
}

.opct-window-body {
    padding: 34px 24px 24px;
    min-height: 320px;
    background: linear-gradient(150deg, #eff6ff, #ffffff 65%);
}

.opct-window-line {
    width: 65%;
    height: 13px;
    margin-bottom: 12px;
    border-radius: 20px;
    background: #cbd5e1;
}

.opct-window-line-lg {
    width: 90%;
    height: 24px;
    background: #1d4ed8;
}

.opct-window-line-sm {
    width: 45%;
}

.opct-window-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 48px;
}

.opct-window-cards div {
    min-height: 110px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid #dbeafe;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.opct-hero-card > p {
    margin: 18px 2px 2px;
    color: #64748b;
    font-size: 13px;
}

.opct-section {
    padding: 96px 0;
}

.opct-two-col {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 90px;
}

.opct-section h2 {
    margin: 0;
    color: #0f172a;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.1;
    letter-spacing: -1.8px;
}

.opct-about-copy p {
    margin-top: 0;
    color: #64748b;
    font-size: 18px;
}

.opct-text-link {
    display: inline-block;
    margin-top: 12px;
    color: #1d4ed8;
    font-weight: 800;
    text-decoration: none;
}

.opct-services {
    background: #f8fafc;
}

.opct-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 46px;
}

.opct-section-head > div {
    max-width: 700px;
}

.opct-section-head > p {
    max-width: 390px;
    margin: 0;
    color: #64748b;
}

.opct-service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.opct-service-card {
    min-height: 280px;
    padding: 28px;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    background: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.opct-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 22px 50px rgba(15, 23, 42, 0.08);
}

.opct-service-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 64px;
    border-radius: 12px;
    color: #1d4ed8;
    background: #eff6ff;
    font-size: 12px;
    font-weight: 800;
}

.opct-service-card h3,
.opct-feature h3 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 20px;
}

.opct-service-card p,
.opct-feature p {
    margin: 0;
    color: #64748b;
    font-size: 15px;
}

.opct-why-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 100px;
    align-items: start;
}

.opct-why-heading {
    position: sticky;
    top: 120px;
}

.opct-why-heading > p {
    max-width: 480px;
    color: #64748b;
    font-size: 17px;
}

.opct-feature-list {
    border-top: 1px solid #e2e8f0;
}

.opct-feature {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 20px;
    padding: 28px 0;
    border-bottom: 1px solid #e2e8f0;
}

.opct-feature > span {
    color: #1d4ed8;
    font-size: 13px;
    font-weight: 800;
}

.opct-contact {
    padding-top: 40px;
}

.opct-contact-box {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
    padding: 64px;
    border-radius: 28px;
    color: #ffffff;
    background: #0f172a;
}

.opct-contact-box h2 {
    color: #ffffff;
}

.opct-contact-box p {
    max-width: 620px;
    color: #cbd5e1;
}

.opct-section-label-light {
    color: #93c5fd;
}

.opct-contact-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.opct-btn-white {
    color: #0f172a;
    background: #ffffff;
}

.opct-btn-outline-white {
    color: #ffffff;
    border-color: rgba(255,255,255,0.35);
}

.opct-footer {
    margin-top: 96px;
    padding: 48px 0;
    border-top: 1px solid #e2e8f0;
}

.opct-footer-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 28px 60px;
    align-items: center;
}

.opct-footer p {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 14px;
}

.opct-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
}

.opct-footer-links a {
    color: #475569;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.opct-copyright {
    grid-column: 1 / -1;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}

.opct-default-page {
    min-height: 70vh;
    padding: 100px 0;
}

.opct-default-page h1 {
    color: #0f172a;
    font-size: 48px;
}

@media (max-width: 1024px) {
    .opct-hero-grid,
    .opct-two-col,
    .opct-why-grid,
    .opct-contact-box {
        grid-template-columns: 1fr;
    }

    .opct-service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .opct-why-heading {
        position: static;
    }

    .opct-header-cta {
        display: none;
    }
}

@media (max-width: 767px) {
    body.admin-bar .opct-header {
        top: 46px;
    }

    .opct-container {
        width: min(100% - 32px, 1180px);
    }

    .opct-header-inner {
        min-height: 68px;
    }

    .opct-menu-toggle {
        display: block;
    }

    .opct-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 10px;
        border: 1px solid #e2e8f0;
        border-radius: 14px;
        background: #ffffff;
        box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
    }

    .opct-nav.opct-open {
        display: flex;
    }

    .opct-nav a {
        padding: 12px 10px;
    }

    .opct-hero {
        padding: 72px 0;
    }

    .opct-hero-grid {
        gap: 45px;
    }

    .opct-hero h1 {
        font-size: clamp(42px, 13vw, 60px);
        letter-spacing: -2px;
    }

    .opct-hero-content > p {
        font-size: 17px;
    }

    .opct-trust-row {
        gap: 22px;
        margin-top: 38px;
    }

    .opct-section {
        padding: 72px 0;
    }

    .opct-section-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .opct-service-grid {
        grid-template-columns: 1fr;
    }

    .opct-service-card {
        min-height: auto;
    }

    .opct-service-number {
        margin-bottom: 44px;
    }

    .opct-contact-box {
        padding: 38px 24px;
    }

    .opct-footer {
        margin-top: 72px;
    }

    .opct-footer-inner {
        grid-template-columns: 1fr;
    }

    .opct-copyright {
        grid-column: 1;
    }
}