/* Trusido Design System — Commercial Identity Network */

:root {
    --color-navy-950: #07111F;
    --color-navy-900: #0F172A;
    --color-navy-800: #1E293B;
    --color-blue-600: #2563EB;
    --color-blue-500: #3B82F6;
    --color-blue-50: #EFF6FF;
    --color-green-600: #16A34A;
    --color-green-500: #22C55E;
    --color-green-50: #F0FDF4;
    --color-purple-600: #7C3AED;
    --color-purple-500: #8B5CF6;
    --color-purple-50: #F5F3FF;
    --color-amber-500: #F59E0B;
    --color-amber-50: #FFFBEB;
    --color-red-600: #DC2626;
    --color-red-50: #FEF2F2;
    --color-gray-950: #030712;
    --color-gray-900: #111827;
    --color-gray-700: #374151;
    --color-gray-500: #6B7280;
    --color-gray-300: #D1D5DB;
    --color-gray-200: #E5E7EB;
    --color-gray-100: #F3F4F6;
    --color-gray-50: #F9FAFB;
    --color-white: #FFFFFF;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.75rem;
    --font-sans: Inter, Geist, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --radius-card: 24px;
    --radius-btn: 999px;
    --radius-login: 14px;
    --shadow-card: 0 20px 60px rgba(15, 23, 42, 0.06);
    --max-width: 72rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-navy-900);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.td-shell { min-height: 100vh; display: flex; flex-direction: column; }
.td-container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }
.td-main { flex: 1; }

.td-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
}
.td-header-inner {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 4rem; gap: 1rem;
}
.td-brand {
    display: flex; align-items: center; gap: 0.625rem;
    font-weight: 700; font-size: var(--text-lg);
    letter-spacing: -0.03em; color: var(--color-navy-950);
}
.td-brand-mark {
    width: 2rem; height: 2rem; border-radius: 10px;
    background: var(--color-navy-900); color: var(--color-white);
    display: flex; align-items: center; justify-content: center;
    font-size: var(--text-sm); font-weight: 700;
}
.td-nav { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; }
.td-nav a {
    font-size: var(--text-sm); color: var(--color-gray-700);
    padding: 0.4rem 0.75rem; border-radius: 999px;
}
.td-nav a:hover { color: var(--color-navy-900); background: var(--color-gray-100); }
.td-nav-actions { display: flex; align-items: center; gap: 0.5rem; margin-left: 0.5rem; }

.td-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.375rem; border-radius: var(--radius-btn);
    font-size: var(--text-sm); font-weight: 600; border: 1px solid transparent; cursor: pointer;
}
.td-btn-primary { background: var(--color-navy-900); color: var(--color-white); }
.td-btn-primary:hover { background: var(--color-navy-950); }
.td-btn-secondary { background: var(--color-white); color: var(--color-navy-900); border-color: var(--color-gray-300); }
.td-btn-sm { padding: 0.5rem 1rem; font-size: var(--text-xs); }
.td-trustido-login {
    height: 48px; max-width: 320px; width: 100%;
    border-radius: var(--radius-login); border: 1px solid var(--color-gray-300);
    background: var(--color-white); color: var(--color-navy-900); font-weight: 600;
    display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
}

.td-card {
    background: var(--color-white); border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-card); box-shadow: var(--shadow-card);
}
.td-card-padded { padding: 2rem; }

.td-hero-title {
    font-size: clamp(2.75rem, 8vw, 5.5rem); line-height: 0.95;
    font-weight: 650; letter-spacing: -0.06em; color: var(--color-navy-950);
}
.td-hero-sub {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem); line-height: 1.5;
    color: var(--color-gray-500); max-width: 36rem;
}
.td-section-title {
    font-size: var(--text-3xl); line-height: 1.1; font-weight: 600;
    letter-spacing: -0.03em; color: var(--color-navy-950);
}
.td-section-lead { font-size: var(--text-lg); color: var(--color-gray-500); max-width: 40rem; margin-top: 0.75rem; }
.td-eyebrow {
    font-size: var(--text-xs); font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--color-blue-600);
}
.td-muted { color: var(--color-gray-500); }
.td-section { padding: 5rem 0; }
.td-section-alt { background: var(--color-gray-50); }
.td-grid-2 { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.td-grid-3 { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.td-passport {
    background: linear-gradient(145deg, var(--color-navy-900) 0%, var(--color-navy-800) 100%);
    color: var(--color-white); border-radius: var(--radius-card); padding: 2rem; box-shadow: var(--shadow-card);
}
.td-passport-label { font-size: var(--text-sm); opacity: 0.7; }
.td-passport-id {
    font-size: var(--text-2xl); font-weight: 600; letter-spacing: 0.05em;
    font-family: ui-monospace, monospace; margin: 0.5rem 0 1.5rem;
}
.td-passport-stat { font-size: var(--text-sm); opacity: 0.85; margin-top: 0.35rem; }
.td-passport-verified {
    display: inline-flex; align-items: center; gap: 0.35rem;
    background: rgba(34, 197, 94, 0.2); color: var(--color-green-500);
    padding: 0.25rem 0.65rem; border-radius: 999px;
    font-size: var(--text-xs); font-weight: 600; margin-bottom: 1rem;
}
.td-passport-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.td-check-list { list-style: none; display: grid; gap: 0.75rem; }
.td-check-list li { display: flex; gap: 0.75rem; font-size: var(--text-sm); color: var(--color-gray-700); padding-left: 1.75rem; position: relative; }
.td-check-list li::before {
    content: ""; position: absolute; left: 0; top: 0.15rem;
    width: 1rem; height: 1rem; border-radius: 50%;
    background: var(--color-green-50); border: 2px solid var(--color-green-500);
}

.td-price { font-size: var(--text-4xl); font-weight: 650; letter-spacing: -0.04em; color: var(--color-navy-950); }
.td-footer { border-top: 1px solid var(--color-gray-200); background: var(--color-gray-50); padding: 3rem 0 2rem; }
.td-footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 2rem; }
.td-footer h4 { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-gray-500); margin-bottom: 0.75rem; }
.td-footer ul { list-style: none; display: grid; gap: 0.5rem; }
.td-footer a { font-size: var(--text-sm); color: var(--color-gray-700); }
.td-footer-bottom {
    padding-top: 1.5rem; border-top: 1px solid var(--color-gray-200);
    font-size: var(--text-sm); color: var(--color-gray-500);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem 1rem;
}
.td-footer-prefs {
    display: inline-flex; align-items: center; flex-wrap: wrap; gap: 0.65rem 1rem;
}
.td-footer-pill-group {
    display: inline-flex; align-items: center; gap: 0.35rem;
    font-size: var(--text-xs); letter-spacing: 0.04em;
}
.td-footer-pill-sep { opacity: 0.45; user-select: none; }
.td-footer-pill-active { color: var(--color-gray-800); font-weight: 500; }
.td-footer-pill-link {
    color: var(--color-gray-500); text-decoration: none;
    transition: color 0.15s ease;
}
.td-footer-pill-link:hover { color: var(--color-blue-600); }

.td-footer-legal {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
}

.td-footer-legal a {
    color: var(--color-gray-500);
    text-decoration: none;
    transition: color 0.15s ease;
}

.td-footer-legal a:hover {
    color: var(--color-blue-600);
}

.td-footer-legal .trusido-legal-sep {
    color: var(--color-gray-400);
}

.td-docs { display: grid; grid-template-columns: 240px 1fr; gap: 3rem; max-width: var(--max-width); margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.td-docs-nav { position: sticky; top: 5rem; align-self: start; }
.td-docs-nav a { display: block; font-size: var(--text-sm); color: var(--color-gray-500); padding: 0.35rem 0; }
.td-docs-nav a:hover { color: var(--color-blue-600); }
.td-docs h2 { font-size: var(--text-2xl); font-weight: 600; letter-spacing: -0.03em; margin: 2rem 0 0.75rem; }
.td-docs p, .td-docs li { color: var(--color-gray-700); font-size: var(--text-sm); margin-bottom: 0.75rem; }
.td-code {
    background: var(--color-gray-100); border: 1px solid var(--color-gray-200);
    border-radius: 12px; padding: 1rem; font-family: ui-monospace, monospace;
    font-size: var(--text-sm); overflow-x: auto; margin: 1rem 0;
}

@media (max-width: 768px) {
    .td-nav-links { display: none; }
    .td-docs { grid-template-columns: 1fr; }
}