/* =========================================================
   Ozoid Ltd. – Modern Bootstrap Overrides
   No Node | No Sass | No Build Tools
   ========================================================= */

/* -------------------------
   1. CSS Variables / Theme
   ------------------------- */

:root {
    /* Brand colours */
    --oz-primary: #1e40af; /* deep engineering blue */
    --oz-primary-hover: #1d4ed8;
    --oz-accent: #06b6d4; /* cyan-teal accent */
    --oz-success: #16a34a;
    --oz-warning: #d97706;
    --oz-danger: #dc2626;
    /* Neutrals */
    --oz-bg: #ffffff;
    --oz-bg-muted: #f8fafc;
    --oz-border: #e5e7eb;
    --oz-text: #0f172a;
    --oz-text-muted: #64748b;
    /* Radii */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);
    /* Bootstrap variable overrides */
    --bs-primary: var(--oz-primary);
    --bs-secondary: #475569;
    --bs-success: var(--oz-success);
    --bs-warning: var(--oz-warning);
    --bs-danger: var(--oz-danger);
    --bs-body-color: var(--oz-text);
    --bs-body-bg: var(--oz-bg);
}

/* -------------------------
   2. Base Typography
   ------------------------- */
html, body {
    transition: background-color 0.25s ease, color 0.25s ease;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--oz-text);
    background-color: var(--oz-bg);
    -webkit-font-smoothing: antialiased;
    font-weight: 400;
    width: 100%;
    position: relative;
}

h1, h2, h3, h4, h5 {
    font-weight: 600;
    letter-spacing: -0.02em;
}
h3{
    font-size:1.5em;
}

p {
    color: var(--oz-text-muted);
}
ol, ul {
    padding-left: 1rem;
    color: var(--oz-text-muted);
}
.ml-4 {
    margin-left:4em;
}

.logowrap .logo {
    fill: #0f00bb; 
    stroke:#000000;
    animation: hueShift 18s linear infinite;
    will-change: filter;
}

    .logo.logoletter1 {
        animation-delay: -500ms;
    }

    .logo.logoletter2 {
        animation-delay: -250ms;
    }

    .logo.logoletter3 {
        animation-delay: 0s;
    }

    .logo.logoletter4 {
        animation-delay: -250ms;
    }

    .logo.logoletter5 {
        animation-delay: -500ms;
    }

@keyframes hueShift {
    0% {
        filter: hue-rotate(0deg);
    }

    100% {
        filter: hue-rotate(360deg);
    }
}

.pull-right {
    float: right;
}

/* top */
#top {
    background-color: var(--head-foot-back);
    border-bottom: 1px solid var(--element-border);
    color: var(--head-foot-text);
    padding: 4px 0px 3px 0;
    margin: 0 0 20px 0;
    min-height: 36px;
}

    #top .container {
        padding: 0 20px;
    }

.top-links li {
    float: left;
    margin-right: 6px;
}

.top-links ul {
    margin-bottom: 4px;
}

#top .btn-link, .top-links li, .top-links a {
    color: var(--head-foot-link);
    text-decoration: none;
}

    #top .btn-link:hover, .top-links a:hover {
        color: var(--head-foot-link-hover);
    }

.top-links .dropdown-menu a {
    text-shadow: none;
    color: var(--head-foot-link);
}

    .top-links .dropdown-menu a:hover {
        color: var(--head-foot-link-hover);
    }

#top .btn-link strong {
    font-size: 14px;
    line-height: 14px;
}

.top-links {
    justify-content:flex-end;
}

    .top-links a + a {
        margin-left: 15px;
    }

.themebutton{
    background: none;
    border: none;
    color: var(--head-foot-link);
    line-height: 1;
}
/* -------------------------
   3. Layout & Spacing
   ------------------------- */

.container {
    max-width: 72rem;
}

section {
    padding: clamp(3rem, 5vw, 6rem) 0;
}

.section-muted {
    background-color: var(--oz-bg-muted);
}

/* -------------------------
   4. Navbar
   ------------------------- */

.navbar {
    padding: 1rem 0;
    background-color: var(--oz-bg);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.navbar-tel {
    font-weight: 600;
    letter-spacing: 0.02em;
    font-size: 125%;
    text-decoration: none;
    text-align: center;
    color: var(--oz-primary);
    margin-left: 15px;
}

.nav-link {
    font-weight: 500;
    color: var(--oz-text-muted);
}

    .nav-link:hover {
        color: var(--oz-primary);
    }

/* -------------------------
   5. Cards
   ------------------------- */

.card {
    border: none;
    border-radius: var(--radius-lg);
    background-color: var(--oz-bg);
    box-shadow: var(--shadow-md);
    padding-bottom:40px;
}

    .card + .card {
        margin-top: 1.5rem;
    }

.card-header {
    background-color: var(--card-head-bg);
    color: var(--card-head-text);
    border-radius: 0 !important;
}

    .card-header a {
        color: var(--card-head-text-hover);
    }

.card-footer {
    background-color: var(--card-head-bg);
    border-radius: 0 !important;
}

.card-body {
    position: relative;
    line-height: 1.5;
}

.moarinfo {
    position: absolute;
    bottom: -25px;
    font-size: 110%;
    font-weight: 600;
    width: 100%;
    text-align: center;
}

.bhscroll {
    margin-top: 20px;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    background-position-x: center;
    background-position-y: top;
    text-align: center;
    padding: 50px 0 0 0;
    font-size: 2rem;
    color: var(--banner-text);
    font-family: 'Roboto', sans-serif;
    font-weight: 900;
    min-height: 150px;
    border-radius: 0;
    -webkit-text-stroke: 1px #000000;
    text-stroke: 1px black;
}

.bhappdev {
    background-image: url("/images/usmobile.jpg");
}

.bhcontact {
    background-image: url("/images/uscontactus.jpg");
}

.bhabout {
    background-image: url("/images/usaboutus.jpg");
}

.bhcloud {
    background-image: url("/images/uscloud.jpg");
}

.bhmanage {
    background-image: url("/images/usmanaged.jpg");
}

.bhidea {
    background-image: url("/images/usideas.jpg");
}
.bhrobot {
    background-image: url("/images/uswires.jpg");
}
.bhautomate {
    background-image: url("/images/usautomate.jpg");
}
/* -------------------------
   6. Buttons
   ------------------------- */

.btn {
    font-weight: 500;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-primary {
    background-color: var(--oz-primary);
    border: none;
}

    .btn-primary:hover {
        background-color: var(--oz-primary-hover);
        transform: translateY(-1px);
        box-shadow: var(--shadow-lg);
    }

.btn-outline-primary {
    border-color: var(--oz-primary);
    color: var(--oz-primary);
}

    .btn-outline-primary:hover {
        background-color: var(--oz-primary);
        color: #fff;
    }

.readmore{
    position:absolute;
    bottom:20px;
}

/* -------------------------
   7. Forms
   ------------------------- */

.form-control {
    border-radius: var(--radius-md);
    border: 1px solid var(--oz-border);
    padding: 0.6rem 0.75rem;
}

    .form-control:focus {
        border-color: var(--oz-primary);
        box-shadow: 0 0 0 0.2rem rgba(30, 64, 175, 0.15);
    }

/* -------------------------
   8. Utility Enhancements
   ------------------------- */

.text-muted {
    color: var(--oz-text-muted) !important;
}

.bg-muted {
    background-color: var(--oz-bg-muted) !important;
}

.border-muted {
    border-color: var(--oz-border) !important;
}

/* -------------------------
   9. Hero Section
   ------------------------- */

.hero {
    
    padding: clamp(2rem, 1vw, 2rem) 0;
}
    .hero .container {
        border: 1px solid #ccc;
        padding: 40px;
        border-color: var(--oz-border);
        border-radius: var(--radius-lg);
        background-color: var(--oz-bg);
        box-shadow: var(--shadow-md);
        background-image: url(/images/0116.png);
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-size: cover;
        background-position-x: center;
        background-position-y: top;
        transition: background-image 0.25s ease, color 0.25s ease;
    }

[data-theme="light"] .hero .container {
    background-image: url(/images/0116b.png);
    
}
[data-theme="light"] .hero p {
    color: #474747;
}

    .hero h1 {
        font-size: clamp(2rem, 4vw, 3rem);
    }

    .hero p {
        font-size: 1.125rem;
        max-width: 42rem;
    }

/* -------------------------
   10. Footer
   ------------------------- */

footer {
    padding: 3rem 0;
    background-color: var(--oz-bg-muted);
    color: var(--oz-text-muted);
    font-size: 0.9rem;
}

/* -------------------------
   11. Subtle Animations
   ------------------------- */

.fade-in {
    animation: fadeIn 0.6s ease-out both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* =========================================================
   12. Dark Mode Theme (Ozoid Ltd.)
   ========================================================= */

/* System preference (automatic) */
@media (prefers-color-scheme: dark) {
    :root {
        --oz-bg: #020617; /* near-black */
        --oz-bg-muted: #020617;
        --oz-text: #e5e7eb;
        --oz-text-muted: #94a3b8;
        --oz-border: #1e293b;
        --oz-primary: #60a5fa;
        --oz-primary-hover: #3b82f6;
        --oz-accent: #22d3ee;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-lg: none;
    }
        :root:not([data-theme]) {
            --oz-bg: #020617;
            --oz-bg-muted: #020617;
            --oz-text: #e5e7eb;
            --oz-text-muted: #94a3b8;
            --oz-border: #1e293b;
            --oz-primary: #60a5fa;
            --oz-primary-hover: #3b82f6;
            --oz-accent: #22d3ee;
            --shadow-sm: none;
            --shadow-md: none;
            --shadow-lg: none;
        }
}

/* Manual override (takes priority over system) */
[data-theme="dark"] {
    --oz-bg: #020617;
    --oz-bg-muted: #020617;
    --oz-text: #e5e7eb;
    --oz-text-muted: #94a3b8;
    --oz-border: #1e293b;
    --oz-primary: #60a5fa;
    --oz-primary-hover: #3b82f6;
    --oz-accent: #22d3ee;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;

    .form-control {
        background-color: #cfcfcf;
        color: #0f172a;
    }
    
    
}
[data-theme="light"] {
    --oz-bg: #ffffff;
    --oz-bg-muted: #f8fafc;
    --oz-text: #0f172a;
    --oz-text-muted: #64748b;
    --oz-border: #e5e7eb;
    --oz-primary: #1e40af;
    --oz-primary-hover: #1d4ed8;
    --oz-accent: #06b6d4;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);

    
}

    [data-theme="dark"] .card {
        background-color: #020617;
        border: 1px solid var(--oz-border);
    }

/* =========================================================
   13. Syntax Highlighting (Light & Dark)
   ========================================================= */

pre {
    background-color: var(--code-bg);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--code-text);
}

/* Tokens */
.token-comment {
    color: var(--code-comment);
}

.token-keyword {
    color: var(--code-keyword);
    font-weight: 500;
}

.token-string {
    color: var(--code-string);
}

.token-number {
    color: var(--code-number);
}

.token-type {
    color: var(--code-type);
}

.token-function {
    color: var(--code-function);
}

/* -------------------------
   Light mode tokens
------------------------- */

:root,
[data-theme="light"] {
    --code-bg: #f8fafc;
    --code-text: #0f172a;
    --code-comment: #64748b;
    --code-keyword: #1e40af;
    --code-string: #047857;
    --code-number: #b45309;
    --code-type: #7c3aed;
    --code-function: #0f766e;
}

/* -------------------------
   Dark mode tokens
------------------------- */

[data-theme="dark"],
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --code-bg: #020617;
        --code-text: #e5e7eb;
        --code-comment: #94a3b8;
        --code-keyword: #93c5fd;
        --code-string: #6ee7b7;
        --code-number: #fcd34d;
        --code-type: #c4b5fd;
        --code-function: #67e8f9;
    }
}

/* =========================================================
   14. Print Styles (Force Light Mode)
   ========================================================= */

@media print {

    /* Force light theme */
    :root {
        --oz-bg: #ffffff !important;
        --oz-bg-muted: #ffffff !important;
        --oz-text: #000000 !important;
        --oz-text-muted: #333333 !important;
        --oz-border: #cccccc !important;
        --oz-primary: #000000 !important;
        --oz-accent: #000000 !important;
        --shadow-sm: none !important;
        --shadow-md: none !important;
        --shadow-lg: none !important;
    }

    body {
        background: white !important;
        color: black !important;
        font-size: 11pt;
        line-height: 1.4;
    }

    /* Remove decorative UI */
    nav,
    footer,
    #themeToggle {
        display: none !important;
    }

    /* Clean cards */
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        break-inside: avoid;
    }

    /* Links */
    a {
        color: black !important;
        text-decoration: underline;
    }

    /* Page spacing */
    section {
        padding: 1.5rem 0 !important;
    }

    h1, h2, h3 {
        page-break-after: avoid;
    }

    pre {
        background: #f5f5f5 !important;
        border: 1px solid #ddd;
    }
}