/* ============================================================
   OMEGA AI AGENT — UNIFIED FRONTEND DESIGN SYSTEM
   Black + Gold Premium Edition (Default Theme)
   ============================================================ */

/* ------------------------------------------------------------
   1. DESIGN TOKENS (USER OVERRIDABLE)
   ------------------------------------------------------------ */

:root {
    /* Core Colors */
    --color-bg: #000000;
    --color-bg-alt: #0d0d0d;
    --color-surface: #111111;
    --color-border: #222222;
    --color-text: #f5f5f5;
    --color-text-muted: #bbbbbb;

    /* GOLD BRANDING */
    --color-primary: #f5d76e;
    --color-primary-soft: rgba(245, 215, 110, 0.15);
    --color-primary-strong: #f7e08a;

    /* Typography */
    --font-family-base: "Inter", system-ui, sans-serif;
    --font-family-heading: "Inter", system-ui, sans-serif;

    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 40px;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);

    /* Layout */
    --container-width: 1200px;
    --section-padding-y: 80px;
    --section-padding-x: 20px;
}

/* ------------------------------------------------------------
   2. GLOBAL RESET / BASE
   ------------------------------------------------------------ */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-3);
    font-family: var(--font-family-heading);
    font-weight: 700;
    color: var(--color-primary);
}

p {
    margin: 0 0 var(--space-3);
}

/* Lists */
ul {
    padding-left: 1.2rem;
    margin: 0 0 var(--space-3);
}

/* ------------------------------------------------------------
   3. LAYOUT SYSTEM
   ------------------------------------------------------------ */

.omega-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--section-padding-x);
}

.omega-section {
    padding: var(--section-padding-y) var(--section-padding-x);
    background: var(--color-bg-alt);
}

@media (max-width: 767px) {
    .omega-section {
        padding: 50px 16px;
    }
}

.omega-main {
    min-height: 60vh;
}

/* ------------------------------------------------------------
   4. BUTTONS
   ------------------------------------------------------------ */

.omega-btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #000;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: 0.2s ease;
}

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

.omega-btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

/* ------------------------------------------------------------
   5. HEADER & NAV
   ------------------------------------------------------------ */

.omega-header {
    width: 100%;
    background: #000;
    border-bottom: 1px solid var(--color-border);
}

.omega-header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 16px var(--section-padding-x);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.omega-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.omega-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.omega-nav a {
    color: var(--color-text);
    font-weight: 500;
}

.omega-nav a:hover {
    color: var(--color-primary);
}

/* ------------------------------------------------------------
   6. FOOTER
   ------------------------------------------------------------ */

.omega-footer {
    background: #000;
    border-top: 1px solid var(--color-border);
    padding: 24px var(--section-padding-x);
    text-align: center;
    color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   7. HERO
   ------------------------------------------------------------ */

.omega-hero {
    background: var(--color-bg-alt);
    text-align: center;
    padding: 100px 20px;
}

.omega-hero h1 {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
}

.omega-hero p {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   8. COMPONENTS (MERGED FROM components.css)
   ------------------------------------------------------------ */

.omega-component {
    margin-bottom: var(--space-10);
}

.omega-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-3);
}

.omega-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.8;
    margin-bottom: var(--space-3);
}

.omega-description {
    margin-bottom: var(--space-5);
}

/* ------------------------------------------------------------
   9. CARDS / SERVICES / PRICING / TESTIMONIALS
   ------------------------------------------------------------ */

.omega-card,
.omega-service-item,
.omega-pricing-card,
.omega-testimonial-item,
.omega-faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

/* ------------------------------------------------------------
   10. GRID SYSTEM
   ------------------------------------------------------------ */

.omega-grid {
    display: grid;
    gap: var(--space-5);
}

@media (min-width: 768px) {
    .omega-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .omega-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .omega-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------------------------------------------
   11. UTILITIES
   ------------------------------------------------------------ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.w-full { width: 100%; }
.max-w-md { max-width: 700px; margin: 0 auto; }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Spacing */
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }

/* ------------------------------------------------------------
   12. RESPONSIVE HELPERS
   ------------------------------------------------------------ */

@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hide-tablet { display: none !important; }
}

@media (min-width: 1024px) {
    .hide-desktop { display: none !important; }
}