/* ==========================================================================
   TRF SOLUTIONS — PORTAL (página raiz)
   Logo centralizado + escolha entre Engenharia e Finanças
   ========================================================================== */

@font-face {
    font-family: 'Proto Mono';
    src: url('assets/font/Proto.Mono 2/Proto Mono Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}
@font-face {
    font-family: 'Proto Mono';
    src: url('assets/font/Proto.Mono 2/Proto Mono Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'Proto Mono';
    src: url('assets/font/Proto.Mono 2/Proto Mono Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Proto Mono';
    src: url('assets/font/Proto.Mono 2/Proto Mono Semi Bold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

:root {
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Proto Mono', monospace;

    --color-bg-dark: #060c22;
    --color-bg-dark-accent: #0c1938;

    --color-primary: #0052e2;
    --color-primary-glow: rgba(0, 82, 226, 0.4);
    --color-cyan: #00d2ff;

    --color-text-light: #ffffff;
    --color-text-muted: #8a99ad;

    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-lg: 20px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   BACKGROUND
   ========================================================================== */
.portal-bg,
.portal-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.portal-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 45%, #000 0%, transparent 72%);
            mask-image: radial-gradient(ellipse at 50% 45%, #000 0%, transparent 72%);
}

.portal-bg {
    background:
        radial-gradient(ellipse at 0% 50%, rgba(0, 82, 226, 0.32) 0%, transparent 45%),
        radial-gradient(ellipse at 100% 50%, rgba(0, 82, 226, 0.32) 0%, transparent 45%),
        radial-gradient(ellipse at 0% 85%, rgba(0, 210, 255, 0.12) 0%, transparent 40%),
        radial-gradient(ellipse at 100% 15%, rgba(0, 210, 255, 0.1) 0%, transparent 40%);
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.portal {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px 40px;
}

.portal-inner {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: portalIn 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Marca */
.portal-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.portal-logo {
    height: 52px;
    width: auto;
    filter: drop-shadow(0 8px 20px rgba(0, 82, 226, 0.3));
}

.portal-wordmark {
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.portal-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 34px 0 30px;
    font-family: var(--font-secondary);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.portal-divider::before,
.portal-divider::after {
    content: '';
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.25));
}

.portal-divider::after {
    background: linear-gradient(to left, transparent, rgba(255, 255, 255, 0.25));
}

/* ==========================================================================
   BOTÕES / CARDS DE ESCOLHA
   ========================================================================== */
.portal-choices {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    width: 100%;
    max-width: 760px;
}

.portal-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 42px 30px 36px;
    background-color: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(12px);
    overflow: hidden;
}

.portal-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--color-primary), var(--color-cyan)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.portal-card:hover,
.portal-card:focus-visible {
    transform: translateY(-6px);
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 82, 226, 0.5);
}

.portal-card:focus-visible {
    outline: 2px solid var(--color-cyan);
    outline-offset: 3px;
}

.portal-card:hover::before,
.portal-card:focus-visible::before {
    opacity: 1;
}

.portal-card-icon {
    width: 66px;
    height: 66px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background-color: rgba(0, 82, 226, 0.1);
    border: 1px solid rgba(0, 82, 226, 0.3);
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.portal-card:hover .portal-card-icon,
.portal-card:focus-visible .portal-card-icon {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    box-shadow: 0 0 24px var(--color-primary-glow);
    transform: scale(1.05);
}

.portal-card-eyebrow {
    font-family: var(--font-secondary);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-cyan);
}

.portal-card h2 {
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.portal-card p {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.6;
    max-width: 280px;
}

.portal-card-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 20px;
    font-family: var(--font-secondary);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.portal-card-action .arrow-icon {
    transition: transform 0.3s ease;
}

.portal-card:hover .portal-card-action,
.portal-card:focus-visible .portal-card-action {
    color: var(--color-cyan);
}

.portal-card:hover .arrow-icon,
.portal-card:focus-visible .arrow-icon {
    transform: translate(3px, -3px);
}

/* ==========================================================================
   RODAPÉ
   ========================================================================== */
.portal-footer {
    position: relative;
    z-index: 1;
    padding: 28px 24px 34px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.portal-footer a {
    color: rgba(255, 255, 255, 0.75);
}

.portal-footer a:hover {
    color: var(--color-cyan);
}

.portal-footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.portal-footer-sep {
    color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   ANIMAÇÕES
   ========================================================================== */
@keyframes portalIn {
    from { opacity: 0; transform: translateY(22px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .portal-inner { animation: none; }
    .portal-card:hover { transform: none; }
}

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width: 720px) {
    .portal {
        padding: 60px 20px 30px;
    }

    .portal-logo {
        height: 64px;
    }

    .portal-wordmark {
        font-size: 0.95rem;
        letter-spacing: 0.26em;
    }

    .portal-tagline {
        font-size: 0.95rem;
    }

    .portal-choices {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .portal-card {
        padding: 34px 24px 30px;
    }

    .portal-card h2 {
        font-size: 1.35rem;
    }
}