/* ==========================================================================
   GRADEUP PRO MASTER DESIGN SYSTEM — PHASE 71
   Color Palette: White & Blue Standard (#1e40af, #2563eb, #3b82f6)
   ========================================================================== */

:root {
    --gu-navy-primary: #1e40af;
    --gu-blue-action: #2563eb;
    --gu-blue-accent: #3b82f6;
    --gu-blue-soft: #eff6ff;
    --gu-white: #ffffff;
    --gu-slate-50: #f8fafc;
    --gu-slate-100: #f1f5f9;
    --gu-slate-200: #e2e8f0;
    --gu-slate-600: #475569;
    --gu-slate-800: #1e293b;
    --gu-slate-900: #0f172a;
    --gu-green-success: #16a34a;
    --gu-green-soft: #f0fdf4;
    --gu-warning-amber: #d97706;
    --gu-warning-soft: #fffbeb;
    --gu-danger-red: #dc2626;
    --gu-danger-soft: #fef2f2;
    --gu-min-touch-target: 48px;
    --gu-safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Typography & Base Reset */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--gu-slate-50);
    color: var(--gu-slate-900);
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
}

/* Accessibility & Minimum Touch Targets */
a, button, .btn, .nav-link, input, select {
    min-height: var(--gu-min-touch-target);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

/* Buttons */
.btn-gu-primary {
    background-color: var(--gu-blue-action);
    color: var(--gu-white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: 10px 24px;
    transition: all 0.2s ease-in-out;
}

.btn-gu-primary:hover {
    background-color: var(--gu-navy-primary);
    color: var(--gu-white);
    transform: translateY(-1px);
}

.btn-gu-secondary {
    background-color: var(--gu-blue-soft);
    color: var(--gu-blue-action);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 8px;
    font-weight: 600;
    padding: 10px 24px;
}

.btn-gu-secondary:hover {
    background-color: #dbeafe;
    color: var(--gu-navy-primary);
}

/* Unified Cards */
.gu-card {
    background: var(--gu-white);
    border: 1px solid var(--gu-slate-200);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s ease;
}

.gu-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
}

/* Hero Banners */
.gu-hero-banner {
    background: linear-gradient(135deg, var(--gu-navy-primary) 0%, var(--gu-blue-action) 100%);
    color: var(--gu-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 6px -1px rgba(30, 64, 175, 0.15);
}

/* Badges */
.gu-badge-verified {
    background-color: var(--gu-green-soft);
    color: var(--gu-green-success);
    border: 1px solid rgba(22, 163, 74, 0.2);
    font-weight: 700;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 9999px;
}

.gu-badge-primary {
    background-color: var(--gu-blue-soft);
    color: var(--gu-blue-action);
    border: 1px solid rgba(37, 99, 235, 0.2);
    font-weight: 700;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 9999px;
}

/* Role Question Callout */
.gu-role-mission {
    background: var(--gu-blue-soft);
    border-left: 4px solid var(--gu-blue-action);
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
}