/* =========================================
   DESIGN SYSTEM VARIABLES
   ========================================= */
:root {
    /* --- Colors (Strict Roles) --- */
    --bs-primary: #3b82f6;       /* Navy Blue (Actions) */
    --bs-primary-rgb: 59, 130, 246;
    --bs-secondary: #9ca3af;     /* Muted Gray (Borders, Text) */
    --bs-success: #10b981;       /* Status: Success */
    --bs-info: #a855f7;          /* Accent: Purple (Minor highlights only) */
    --bs-dark: #0a0a0a;          /* True Black Background */
    --bs-body-bg: #0a0a0a;
    --bg-surface: #161616;       /* Elevated Card Background */
    --bs-body-color: #e5e5e5;    /* Standard Body Text */
    --text-muted: #737373;       /* Meta Text */

    /* --- Typography (Inter / Plus Jakarta Sans) --- */
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --h1-size: 3.5rem;  /* 56px desktop */
    --h2-size: 2rem;    /* 32px */
    --h3-size: 1.5rem;  /* 24px */
    --body-size: 1rem;  /* 16px */
    --body-line-height: 1.6;

    /* --- Spacing & Shape --- */
    --border-radius-lg: 12px; /* Consistent corner radius */
    --section-padding: 80px;

    /* --- Shadows (No colors!) --- */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Mobile Typography Overrides */
@media (max-width: 768px) {
    :root {
        --h1-size: 2.5rem; /* 40px mobile */
        --h2-size: 1.75rem;
        --section-padding: 48px;
    }
}

/* =========================================
   GLOBAL RESET & TYPOGRAPHY
   ========================================= */
body {
    font-family: var(--font-sans);
    font-size: var(--body-size);
    line-height: var(--body-line-height);
    background-color: var(--bs-dark);
    color: var(--bs-body-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, .h1, .h2, .h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
}

h1 { font-size: var(--h1-size); }
h2 { font-size: var(--h2-size); }
h3 { font-size: var(--h3-size); }

/* Letter Spacing utility for small caps */
.ls-1 { letter-spacing: 1px; }

/* =========================================
   COMPONENT: BUTTONS
   ========================================= */
.btn {
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--border-radius-lg);
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border: none;
    box-shadow: var(--shadow-md);
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: #ffffff;
}

/* =========================================
   COMPONENT: HERO SECTION SPECIFICS
   ========================================= */
.hero-section {
    padding-top: calc(80px + var(--section-padding));
    padding-bottom: var(--section-padding);
    overflow: hidden;
}

.hero-glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}

.text-gradient-primary {
    background: linear-gradient(135deg, #ffffff 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* responsive tweaks for hero */
.hero-portrait-container img {
    border-radius: 12px;
    object-fit: cover;
}

/* =========================================
   COMPONENT: CARD
   ========================================= */
.card-standard {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255,255,255,0.04);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.card-standard .card-body {
    padding: 1.25rem;
}
.badge-ghost {
    background: linear-gradient(135deg, #001f3f 0%, #003366 100%);
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    font-weight: 600;
}

/* =========================================
   ACCESSIBILITY UTILITIES
   ========================================= */
.sr-only { position: absolute !important; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }