:root {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.85);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.08), 0 4px 10px -4px rgba(15, 23, 42, 0.04);
    --shadow-card-hover: 0 22px 45px -12px rgba(15, 23, 42, 0.16), 0 8px 18px -6px rgba(15, 23, 42, 0.08);

    /* Identidade cromática de cada sistema */
    --sigati-accent: #1d4ed8;
    --sigati-soft: rgba(29, 78, 216, 0.1);
    --sigati-border: rgba(29, 78, 216, 0.35);

    --digi-accent: #059669;
    --digi-soft: rgba(5, 150, 105, 0.1);
    --digi-border: rgba(5, 150, 105, 0.35);

    --cdp-accent: #4f46e5;
    --cdp-soft: rgba(79, 70, 229, 0.1);
    --cdp-border: rgba(79, 70, 229, 0.35);
}

html.dark {
    --bg-base: #060911;
    --bg-surface: #0f172a;
    --bg-surface-hover: #131d35;
    --bg-header: rgba(15, 23, 42, 0.82);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(148, 163, 184, 0.16);
    --shadow-card: 0 14px 34px -10px rgba(0, 0, 0, 0.55);
    --shadow-card-hover: 0 24px 50px -12px rgba(0, 0, 0, 0.75);

    --sigati-accent: #60a5fa;
    --sigati-soft: rgba(59, 130, 246, 0.15);
    --sigati-border: rgba(96, 165, 250, 0.45);

    --digi-accent: #34d399;
    --digi-soft: rgba(16, 185, 129, 0.15);
    --digi-border: rgba(52, 211, 153, 0.45);

    --cdp-accent: #818cf8;
    --cdp-soft: rgba(99, 102, 241, 0.16);
    --cdp-border: rgba(129, 140, 248, 0.45);
}

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

html,
body {
    min-height: 100vh;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
    line-height: 1.5;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(95px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
}

.bg-glow-1 {
    width: 520px;
    height: 520px;
    top: -160px;
    left: -120px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 70%);
}

.bg-glow-2 {
    width: 540px;
    height: 540px;
    bottom: -180px;
    right: -120px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.16), transparent 70%);
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* Cabeçalho */
.portal-header {
    background: var(--bg-header);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
    flex-wrap: wrap;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 1.15rem;
    flex-wrap: wrap;
}

.brand-logo-free {
    height: 54px;
    width: auto;
    max-width: 290px;
    object-fit: contain;
    display: block;
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    transition: filter 0.25s ease;
}

html.dark .brand-logo-free {
    filter: brightness(1.15) drop-shadow(0 0 12px rgba(255, 255, 255, 0.22));
}

.brand-divider {
    width: 1px;
    height: 42px;
    background: var(--border-color);
}

.brand-eyebrow {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sigati-accent);
    margin-bottom: 0.1rem;
}

.brand-title {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    color: var(--text-primary);
    border-color: var(--sigati-accent);
    transform: translateY(-1px);
}

html:not(.dark) .icon-sun {
    display: none;
}

html.dark .icon-moon {
    display: none;
}

/* Main & Hero */
.portal-main {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 1.5rem 0 2rem;
}

.hero-section {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.28rem 0.8rem;
    border-radius: 999px;
    background: var(--sigati-soft);
    color: var(--sigati-accent);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 0.65rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.hero-title {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-size: clamp(1.5rem, 2.5vw, 2.05rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 0.45rem;
    color: var(--text-primary);
}

.hero-description {
    font-size: 0.93rem;
    color: var(--text-secondary);
}

/* Grid de Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.35rem;
    align-items: stretch;
}

.app-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.35rem 1.45rem;
    box-shadow: var(--shadow-card);
    transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.24s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.24s ease,
                background-color 0.24s ease;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: height 0.2s ease;
}

.card-sigati::before {
    background: linear-gradient(90deg, #1d4ed8, #3b82f6);
}

.card-digi::before {
    background: linear-gradient(90deg, #059669, #10b981);
}

.card-cdp::before {
    background: linear-gradient(90deg, #4f46e5, #8b5cf6);
}

.app-card:hover,
.app-card:focus-visible {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    background: var(--bg-surface-hover);
    outline: none;
}

.card-sigati:hover,
.card-sigati:focus-visible {
    border-color: var(--sigati-border);
}

.card-digi:hover,
.card-digi:focus-visible {
    border-color: var(--digi-border);
}

.card-cdp:hover,
.card-cdp:focus-visible {
    border-color: var(--cdp-border);
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.9rem;
}

.card-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.icon-sigati {
    background: var(--sigati-soft);
    color: var(--sigati-accent);
    border: 1px solid var(--sigati-border);
}

.icon-digi {
    background: var(--digi-soft);
    color: var(--digi-accent);
    border: 1px solid var(--digi-border);
}

.icon-cdp {
    background: var(--cdp-soft);
    color: var(--cdp-accent);
    border: 1px solid var(--cdp-border);
}

.card-custom-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.card-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.26rem 0.65rem;
    border-radius: 999px;
    letter-spacing: 0.01em;
}

.badge-sigati {
    background: var(--sigati-soft);
    color: var(--sigati-accent);
}

.badge-digi {
    background: var(--digi-soft);
    color: var(--digi-accent);
}

.badge-cdp {
    background: var(--cdp-soft);
    color: var(--cdp-accent);
}

.card-body {
    flex: 1;
}

.card-title {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.15rem;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.84rem;
    color: var(--text-muted);
    margin-bottom: 0.85rem;
    line-height: 1.45;
}

.card-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.card-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.79rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.card-sigati .card-features svg {
    color: var(--sigati-accent);
    flex-shrink: 0;
}

.card-digi .card-features svg {
    color: var(--digi-accent);
    flex-shrink: 0;
}

.card-cdp .card-features svg {
    color: var(--cdp-accent);
    flex-shrink: 0;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border-color);
}

.card-route-tag {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-base);
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.card-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.86rem;
    font-weight: 700;
    transition: gap 0.2s ease;
}

.card-sigati .card-cta {
    color: var(--sigati-accent);
}

.card-digi .card-cta {
    color: var(--digi-accent);
}

.card-cdp .card-cta {
    color: var(--cdp-accent);
}

.app-card:hover .card-cta {
    gap: 0.7rem;
}

/* Rodapé */
.portal-footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-header);
    padding: 0.75rem 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-caminhos-logo {
    height: 44px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: filter 0.25s ease;
}

html.dark .footer-caminhos-logo {
    filter: brightness(1.1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.18));
}

.footer-info {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--sigati-accent);
}

/* Responsividade */
@media (max-height: 800px) and (min-width: 1025px) {
    .header-inner {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .brand-logo-free {
        height: 46px;
    }

    .portal-main {
        padding: 0.85rem 0 1.1rem;
    }

    .hero-section {
        margin-bottom: 1rem;
    }

    .hero-pill {
        margin-bottom: 0.4rem;
    }

    .hero-title {
        font-size: 1.55rem;
        margin-bottom: 0.25rem;
    }

    .hero-description {
        font-size: 0.86rem;
    }

    .app-card {
        padding: 1.1rem 1.25rem;
    }

    .card-top {
        margin-bottom: 0.65rem;
    }

    .card-icon-wrap {
        width: 42px;
        height: 42px;
    }

    .card-custom-img {
        width: 30px;
        height: 30px;
    }

    .card-title {
        font-size: 1.22rem;
    }

    .card-description {
        font-size: 0.8rem;
        margin-bottom: 0.65rem;
    }

    .card-features {
        gap: 0.3rem;
        margin-bottom: 0.75rem;
        padding-top: 0.55rem;
    }

    .card-features li {
        font-size: 0.76rem;
    }

    .card-footer {
        padding-top: 0.6rem;
    }

    .portal-footer {
        padding: 0.55rem 0;
    }

    .footer-caminhos-logo {
        height: 38px;
    }
}

@media (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }

    .brand-divider {
        display: none;
    }

    .brand-logo-free {
        height: 48px;
        max-width: 240px;
    }

    .portal-main {
        padding: 1.5rem 0 2rem;
    }
}