:root {
    --bg-body: #0d1117;
    --bg-header: #010409;
    --bg-panel: transparent;
    --bg-panel-alt: #161b22;
    --border: #30363d;
    --txt-primary: #e6edf3;
    --txt-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-purple: #a371f7;
    --accent-cyan: #22d3ee;
    --radius: 10px;
    --shadow-soft: none;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--bg-body);
    color: var(--txt-primary);
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* HEADER ----------------------------------------------------- */

.oc-header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    overflow: hidden;
}

.oc-header-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    box-sizing: border-box;
}

.oc-header-left {
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 0;
    flex: 1;
    overflow: hidden;
}

.oc-logo {
    height: 80px;
    width: auto;
    max-width: 170px;
    object-fit: contain;
}

 .oc-link {
     color: var(--accent-blue);
     text-decoration: none;
     font-weight: 500;
     transition: opacity 0.2s ease;
 }

 .oc-link:hover,
 .oc-link:focus {
     opacity: 0.75;
     text-decoration: underline;
 }

 .oc-link:active {
     opacity: 0.55;
 }

.oc-header-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--txt-primary);
}

.oc-header-text {
    font-style: italic;
    font-size: 22px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--txt-secondary);
}
.oc-header-subtitle {
    font-size: 13px;
    color: var(--txt-secondary);
}

.oc-header-nav {
    display: flex;
    gap: 11px;
    flex-wrap: wrap;
    font-size: 14px;
}

.oc-nav-link {
    color: var(--txt-secondary);
    text-decoration: none;
    padding: 6px 10px 5px;
    border-bottom: 2px solid transparent;
}

.oc-nav-link:hover {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
}

/* LAYOUT MAIN ------------------------------------------------ */

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 40px 20px 60px;
    flex: 1;
    width: 100%;
}

/* HERO ------------------------------------------------------- */

.oc-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
    gap: 36px;
    align-items: center;
    margin-bottom: 64px;
}

.oc-hero-title {
    font-size: 40px;
    line-height: 1.1;
    margin: 0 0 10px;
}

.oc-hero-title-accent {
    color: var(--accent-purple);
}

.oc-hero-subtitle {
    font-size: 16px;
    color: var(--txt-secondary);
    max-width: 520px;
}

.oc-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0;
    color: #ffffff;
}
.oc-hero-badges span {
    font-size: 11px;
    padding: 5px 10px;
    border-radius: 0;
    border: 1px solid var(--accent-cyan);
    background: transparent;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent-cyan);
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

.oc-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

.oc-hero-note {
    font-size: 12px;
    color: var(--txt-secondary);
    margin-top: 12px;
}

.oc-hero-platforms {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 14px;
}

.oc-platform-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.oc-platform-icon:hover {
    opacity: 1;
}
/** FEATURES LAYOUT ------------------------------------------- */
 .oc-features-layout {
    display: grid;
    grid-template-columns: 1fr 2px 1fr; /* sinistra | divisore | destra */
    gap: 40px;
    margin-top: 50px;
}

/* Colonna sinistra e destra in colonna */
.oc-features-left,
.oc-features-right {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* Separatore verticale */
.oc-features-divider {
    width: 2px;
    background-color: var(--accent-cyan);
    opacity: 0.25;
}

/* Card stile base */
.oc-feature-card {
    background: transparent;
    padding: 16px 20px;
    border-radius: 0;
    border-left: 3px solid var(--accent-cyan);
}

.oc-features-divider {
    width: 4px;
    background-color: var(--accent-cyan);
    opacity: 0.35;
    border-radius: 0;
    height: auto;
    align-self: stretch;
    box-shadow: none;
}

.oc-features-divider:hover {
    opacity: 0.9;
}
/* BUTTONS ---------------------------------------------------- */

.oc-btn {
    display: inline-block;
    border-radius: var(--radius);
    padding: 10px 22px;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid var(--border);
    background: linear-gradient(#2b2b2b, #1f1f1f);
    color: var(--txt-primary);
    box-shadow: 0 0 14px rgba(0,0,0,0.5);
    transition: background 0.14s ease-out, box-shadow 0.14s ease-out,
                transform 0.12s ease-out, border-color 0.14s ease-out;
}

.oc-btn:hover {
    background: linear-gradient(#363636, #252525);
}

.oc-btn-primary {
    background: linear-gradient(var(--accent-blue), #1f3c92);
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(53,116,240,0.75);
}

.oc-btn-primary:hover {
    box-shadow: 0 0 26px hwb(220 21% 6% / 0.95);
    transform: translateY(-1px);
}

.oc-btn-secondary {
    border-color: #4a4a4a;
}

/* VIDEO EMBED ---------------------------------------------- */

.oc-video-embed {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: 0;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #000;
    box-shadow: none;
}

.oc-video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.oc-screen-frame .oc-video-embed {
    border: 0;
    box-shadow: none;
    border-radius: 0;
}

/* SCREENSHOT FRAME ------------------------------------------- */

.oc-hero-right {
    display: flex;
    justify-content: center;
    width: 100%;
}

.oc-screen-frame {
    width: 100%;
    border-radius: 0;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: none;
    background: #000;
}

.oc-screen-img {
    display: block;
    width: 100%;
}

/* SECTIONS BASE ---------------------------------------------- */

.oc-section {
    margin-bottom: 56px;
    background: transparent;
    border-radius: 0;
    padding: 26px 0 28px;
    border: none;
    border-top: 1px solid var(--border);
    box-shadow: none;
}

.oc-section-alt {
    background: transparent;
}

.oc-section-title {
    font-size: 24px;
    margin: 0 0 6px;
    color: var(--txt-secondary);
}

.oc-section-subtitle {
    font-size: 14px;
    color: var(--txt-secondary);
    max-width: 820px;
    margin-bottom: 20px;
}

/* FEATURES GRID ---------------------------------------------- */

.oc-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
}

.oc-feature-card {
    background: transparent;
    border-radius: 0;
    border: none;
    border-left: 3px solid var(--accent-cyan);
    padding: 12px 16px 14px;
}

.oc-feature-card h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 17px;
    color: var(--accent-cyan);
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

.oc-feature-card p {
    font-size: 14px;
    color: var(--txt-secondary);
}

/* SECURITY --------------------------------------------------- */

.oc-security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.oc-security-block {
    background: transparent;
    border-radius: 0;
    border: none;
    border-left: 3px solid var(--accent-purple);
    padding: 12px 16px 12px;
    font-size: 14px;
    color: var(--txt-secondary);
}

.oc-security-block h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 17px;
    color: var(--txt-primary);
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

.oc-security-block ul {
    padding-left: 18px;
    margin: 0;
}

/* PRICING ---------------------------------------------------- */

.oc-pricing-card {
    background: transparent;
    border-radius: 0;
    border: 1px solid var(--accent-cyan);
    padding: 20px 18px 22px;
    box-shadow: none;
}

.oc-price-main {
    text-align: center;
    margin-bottom: 14px;
}

.oc-price-amount {
    font-size: 34px;
    font-weight: 650;
    color: var(--accent-cyan);
}

.oc-price-label {
    font-size: 13px;
    color: var(--txt-secondary);
}

.oc-pricing-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
    margin: 16px 0;
}

.oc-pricing-col {
    background: var(--bg-panel-alt);
    border-radius: 0;
    border: none;
    border-left: 3px solid var(--accent-cyan);
    padding: 14px 12px 14px;
    font-size: 13px;
    color: var(--txt-secondary);
}

.oc-pricing-col-title {
    font-size: 15px;
    margin-bottom: 6px;
    color: var(--txt-primary);
}

.oc-pricing-col ul {
    margin: 0;
    padding-left: 16px;
}

.oc-pricing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
    margin-bottom: 10px;
}

.oc-pricing-note {
    font-size: 12px;
    color: var(--txt-secondary);
}

/* AUDIT SECTION ---------------------------------------------- */

.oc-audit-section {
    margin-bottom: 56px;
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.oc-audit-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--txt-primary);
    margin: 0 0 10px;
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

.oc-audit-subtitle {
    font-size: 15px;
    color: var(--txt-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.oc-audit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    text-align: left;
}

.oc-audit-card {
    background: transparent;
    border: none;
    border-left: 3px solid var(--accent-purple);
    padding: 14px 18px;
}

.oc-audit-card h3 {
    margin: 0 0 6px;
    font-size: 15px;
    color: var(--accent-purple);
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

.oc-audit-card p {
    margin: 0;
    font-size: 13.5px;
    color: var(--txt-secondary);
    line-height: 1.55;
}

.oc-audit-cta {
    margin-top: 28px;
}

/* BUILD-FROM-SOURCE BOX (download page) ---------------------- */

.oc-build-box {
    margin: 24px 0 10px;
    border: none;
    border-left: 3px solid var(--accent-purple);
    background: transparent;
    padding: 14px 16px;
    text-align: left;
    font-size: 13px;
    line-height: 1.5;
    color: var(--txt-secondary);
}

.oc-build-box strong {
    color: var(--txt-primary);
}

.oc-build-box code {
    display: block;
    margin: 10px 0 0;
    padding: 10px 14px;
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
    font-size: 12.5px;
    color: var(--accent-cyan);
    white-space: pre;
    overflow-x: auto;
}

/* FAQ -------------------------------------------------------- */

.oc-faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
}

.oc-faq-item {
    background: transparent;
    border-radius: 0;
    border: none;
    border-left: 3px solid var(--accent-blue);
    padding: 12px 14px 14px;
    font-size: 13px;
    color: var(--txt-secondary);
}

.oc-faq-item h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 15px;
    color: var(--txt-primary);
    font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}

/* FOOTER ----------------------------------------------------- */

.oc-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-header);
    padding: 16px 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    font-size: 12px;
    color: var(--txt-secondary);
}

.oc-footer-links {
    display: flex;
    gap: 16px;
}

.oc-footer-links a {
    color: var(--txt-secondary);
    text-decoration: none;
}

.oc-footer-links a:hover {
    color: var(--accent-cyan);
}

/* RESPONSIVE ------------------------------------------------- */

/* SCREENSHOT CAROUSEL ---------------------------------------- */

.oc-carousel-section {
    margin-bottom: 56px;
    overflow: hidden;
}

.oc-carousel-viewport {
    width: 100%;
    overflow: hidden;
    border-radius: 0;
    mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 95%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 95%, transparent 100%);
}

.oc-hero-right .oc-carousel-viewport {
    border-radius: 0;
    border: 1px solid var(--border);
    box-shadow: none;
    max-height: 320px;
}

.oc-carousel-track {
    display: flex;
    gap: 24px;
    width: max-content;
    animation: oc-scroll 40s linear infinite;
}

.oc-carousel-track:hover {
    animation-play-state: paused;
}

.oc-carousel-img {
    height: 380px;
    width: auto;
    flex-shrink: 0;
    border-radius: 0;
    object-fit: contain;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.oc-hero-right .oc-carousel-img {
    height: 320px;
    border-radius: 0;
}

.oc-carousel-img:hover {
    transform: scale(1.03);
}

/* SECURITY ALERTS TICKER --------------------------------------- */

.oc-alerts-bar {
    background: #0d1117;
    border-radius: 0;
    border: 1px solid var(--border);
    overflow: hidden;
    height: 38px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    max-width: 1120px;
    margin: 30px auto 0;
}

.oc-alerts-label {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #ff4d4d;
    display: flex;
    align-items: center;
    gap: 6px;
}

.oc-alerts-label::before {
    content: "\26A0";
    font-size: 0.9rem;
}

.oc-alerts-viewport {
    flex: 1;
    overflow: hidden;
    height: 38px;
    position: relative;
}

.oc-alerts-track {
    display: flex;
    flex-direction: column;
    animation: oc-ticker-scroll 12s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}

.oc-alerts-track a {
    display: flex;
    align-items: center;
    height: 38px;
    flex-shrink: 0;
    font-size: 0.82rem;
    color: #d4d4d8;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s;
}

.oc-alerts-track a:hover {
    color: #ffffff;
    text-decoration: underline;
}

@keyframes oc-ticker-scroll {
    0%, 20%   { transform: translateY(0); }
    30%, 70%  { transform: translateY(-38px); }
    80%, 100% { transform: translateY(0); }
}

.oc-hero-right .oc-carousel-img:hover {
    transform: none;
}

@keyframes oc-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@media (max-width: 900px) {
    .oc-carousel-img {
        height: 280px;
    }
}

@media (max-width: 600px) {
    .oc-carousel-img {
        height: 200px;
    }
}

/* END SCREENSHOT CAROUSEL ------------------------------------ */

@media (max-width: 900px) {
    .oc-header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .oc-hero {
        grid-template-columns: minmax(0, 1fr);
    }

    .oc-hero-right {
        order: -1;
    }
}

@media (max-width: 600px) {
    main {
        padding: 28px 14px 40px;
    }

    .oc-header-inner {
        padding: 14px 14px;
    }

    .oc-logo {
        height: 50px;
    }

    .oc-hero-title {
        font-size: 32px;
    }
}
#oc-chat-widget {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 280px;
    background: #161b22;
    border-radius: 0;
    border: 1px solid var(--border);
    box-shadow: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-size: 14px;
}

.oc-chat-header {
    background: var(--accent-cyan);
    padding: 10px;
    cursor: pointer;
    color: #0d1117;
    font-weight: bold;
}

.oc-chat-body {
    display: none;
    height: 260px;
    overflow-y: auto;
    padding: 10px;
}

.oc-chat-footer {
    display: none;
    border-top: 1px solid var(--border);
}

#oc-chat-input {
    width: 100%;
    padding: 10px;
    background: #0d1117;
    color: var(--txt-primary);
    border: none;
    outline: none;
}