/* ===================================================================
   Trinity Brand Identity - Core Design System
   Inspired by T90 Ventures: Clear, Concise, Value-Driven.
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Colors - Shared Foundation */
    --trinity-bg: #05070a;
    --trinity-panel: rgba(255, 255, 255, 0.03);
    --trinity-panel-hover: rgba(255, 255, 255, 0.05);
    --trinity-border: rgba(255, 255, 255, 0.08);
    --trinity-border-active: rgba(255, 255, 255, 0.15);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing & Layout */
    --container-width: 1100px;
    --section-padding: 100px 0;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================================================
   Base Reset
   =================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--trinity-bg);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===================================================================
   Typography System
   =================================================================== */

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.25rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }

p {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 65ch;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.9em;
    letter-spacing: 0;
}

/* ===================================================================
   Utility Components
   =================================================================== */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-padding);
}

.glass {
    background: var(--trinity-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--trinity-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.glass:hover {
    background: var(--trinity-panel-hover);
    border-color: var(--trinity-border-active);
}

/* ===================================================================
   Text-Only Branding
   =================================================================== */

.trinity-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--trinity-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
}

.brand-trinity {
    color: var(--text-main);
}

.brand-product {
    color: var(--accent); /* Defined in product-specific CSS */
    font-weight: 400;
    opacity: 0.8;
}

/* ===================================================================
   Buttons & Links
   =================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--accent);
}

.btn-outline {
    border: 1px solid var(--trinity-border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--trinity-panel);
    border-color: var(--text-main);
}