:root {
    /* Palette Colours */
    --color-brand-terracotta: #df8157;  /* Orange / Laranja */
    --color-brand-rust: #ba6640;    /* Dark Brown / Marrom Escuro */
    --color-brand-copper: #c47b5b;  /* Light Brown / Marrom Claro */
    --color-brand-blue: #2970bf;    /* Cobalt Blue / Azul Cobalto */
    --color-brand-white: #f4f3ed;   /* Off-White / Branco */
    --color-brand-sand: #efeddf;    /* Sand / Areia */
    --color-brand-light-grey: #e4e4df;  /* Light Grey / Cinza Claro */
    --color-brand-greige: #c8c4b4;  /* Greige (Grey + Beige) / Taupe */
    --color-brand-dark-grey: #3e3e3e;   /* Dark Grey / Cinza Escuro */
    --color-brand-tarmac: #2a2a29;   /* Asphalt / Asfalto */
    --color-brand-black: #1f1e1c;   /* Soft Black / Preto */
    
    /* Backgrounds */
    --color-bg-dark: linear-gradient(to top, var(--color-brand-black), var(--color-brand-tarmac));
    --color-bg-light: linear-gradient(to top, var(--color-brand-sand), #fff);

    /* Text */
    --color-text-dark: var(--color-brand-light-grey);
    --color-text-light: var(--color-brand-dark-grey);
    --color-text-accent: var(--color-brand-blue);

    /* Buttons */
    --color-btn-bg: var(--color-brand-terracotta);
    --color-btn-text: #fff;
    --color-btn-2-bg: var(--color-brand-white);
    --color-btn-2-text: var(--color-brand-rust);
    --color-btn-2-border: var(--color-brand-terracotta);

    /* Icons */
    --color-icon: var(--color-brand-copper);

    /* Modal */
    --color-modal-dark: var(--color-brand-black);
    --color-modal-light: var(--color-brand-white);

    /* Field */
    --color-fld-dark: var(--color-brand-tarmac);
    --color-fld-light: #fff;
    
    /* Border */
    --color-dark-border: #454545;
    --color-light-border: var(--color-brand-greige);
    --color-border: var(--color-brand-copper);
    
    --radius-large: 16px;
    --radius-medium: 12px;
    --transition-default: 0.3s ease;

    /* Semantic risk colors */
    --risk-critical: #FF4040;
    --risk-high: #FF730E;
    --risk-moderate: #FFC947;
    --risk-low: #3ECA82;
    --zone-attention: #FF4040;
    --zone-balance: #3ECA82;
    --zone-excess: #FFC947;
}

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

html { 
    scroll-behavior: smooth; 
}

body {
    font-family: "Roboto", sans-serif;
    background: var(--color-bg-dark);
    color: var(--color-text-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}


/* ── NAV ── */
nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--color-bg-dark);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 2px solid var(--color-brand-copper);
    padding: 0 clamp(1.5rem, 5vw, 4rem);
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav img {
    border-radius: 0;
    box-shadow: none;
    height: 48px;
    width: auto;
    display: block;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.brand {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--color-text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-tag {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-brand-copper);
    border: 1px solid var(--color-brand-copper);
    padding: 4px 10px;
    border-radius: 100px;
}

/* ── MAIN WRAPPER ── */
main {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 4vw, 2.5rem) 4rem;
}

/* ── HERO ── */
.hero {
    margin-bottom: 3.5rem;
    animation: fadeInUp 0.7s ease both;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-brand-blue);
    margin-bottom: 1.25rem;
}

.hero-eyebrow::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--color-brand-blue);
    border-radius: 2px;
}

.hero h1 {
    font-family: "Montserrat", sans-serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-text-dark);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero h1 em {
    font-style: normal;
    color: var(--color-brand-terracotta);
}

.hero-sub {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--color-text-dark);
    line-height: 1.7;
}

.hero-sub strong {
    color: var(--color-text-dark);
    font-weight: 500;
}

/* ── VIEW SELECTOR (TABS) ── */
.view-selector {
    margin-bottom: 2.5rem;
    animation: fadeInUp 0.7s 0.1s ease both;
}

.view-selector-microcopy {
    font-size: 0.82rem;
    color: var(--color-text-dark);
    margin-bottom: 1rem;
    font-style: italic;
    min-height: 1.4em;
    transition: var(--transition-default);
}

.tabs {
    display: inline-flex;
    background: var(--color-brand-tarmac);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-large);
    padding: 4px;
    gap: 2px;
}

.tab-btn {
    position: relative;
    font-family: "Roboto", sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 10px 22px;
    border: none;
    border-radius: calc(var(--radius-large) - 4px);
    cursor: pointer;
    transition: var(--transition-default);
    background: transparent;
    color: var(--color-btn-text);
    letter-spacing: 0.01em;
}

.tab-btn.active {
    background: var(--color-brand-terracotta);
    color: var(--color-btn-text);
    box-shadow: 0 2px 12px rgba(255, 115, 14, 0.35);
}

.tab-btn:not(.active):hover {
    background: var(--color-brand-tarmac);
    color: var(--color-text-dark);
}

/* ── CARD ── */
.card {
    background: var(--color-modal-dark);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-large);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    transition: var(--transition-default);
}

.card + .card { margin-top: 1.5rem; }

.card-title {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-brand-terracotta);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-dark-border);
}

/* ── FORM ── */
.form-panel {
    animation: fadeInUp 0.5s ease both;
}

.hidden-initial {
    display: none;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field.full-width {
    grid-column: 1 / -1;
}

.field label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-dark);
    letter-spacing: 0.01em;
}

.field-hint {
    font-size: 0.74rem;
    color: rgba(252,252,252,0.4);
    line-height: 1.4;
}

.field input, .field select {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-dark);
    background: var(--color-brand-tarmac);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-medium);
    padding: 11px 14px;
    outline: none;
    transition: var(--transition-default);
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
}

.field input::placeholder { color: rgba(252,252,252,0.25); }

.field input:focus, .field select:focus {
    border-color: var(--color-brand-terracotta);
    background: rgba(255, 115, 14, 0.05);
    box-shadow: 0 0 0 3px rgba(255, 115, 14, 0.12);
}

.field input.error, .field select.error {
    border-color: var(--risk-critical);
    box-shadow: 0 0 0 3px rgba(255, 64, 64, 0.12);
}

.field-error-msg {
    font-size: 0.74rem;
    color: var(--risk-critical);
    display: none;
}

.field.has-error .field-error-msg { display: block; }
.field.has-error input, .field.has-error select {
    border-color: var(--risk-critical);
}

/* Select arrow */
.select-wrapper {
    position: relative;
}
.select-wrapper::after {
    content: '▾';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-dark);
    pointer-events: none;
    font-size: 0.8rem;
}
.select-wrapper select option {
    background: var(--color-brand-tarmac);
    color: var(--color-text-dark);
}

/* ── BUTTONS ── */
.btn-row {
    display: flex;
    gap: 12px;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 12px 26px;
    border: none;
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: var(--transition-default);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--color-btn-bg);
    color: var(--color-btn-text);
    box-shadow: 0 4px 18px rgba(255, 115, 14, 0.3);
}

.btn-primary:hover {
    background: var(--color-brand-rust);
    box-shadow: 0 6px 24px rgba(255, 115, 14, 0.45);
    transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: transparent;
    color: var(--color-btn-2-text);
    border: 1px solid var(--color-btn-2-border);
}

.btn-secondary:hover {
    background: var(--color-brand-copper);
    color: var(--color-brand-white);
    border-color: rgba(255,255,255,0.15);
}

/* ── RESULTS ── */
.results-section {
    margin-top: 2rem;
    animation: fadeInUp 0.5s ease both;
}

.results-section.hidden { display: none; }

.zone-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border-radius: 100px;
    font-family: "Roboto", sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.zone-badge.atencao {
    background: rgba(255, 64, 64, 0.12);
    color: var(--risk-critical);
    border: 1px solid rgba(255, 64, 64, 0.25);
}

.zone-badge.equilibrio {
    background: rgba(62, 202, 130, 0.12);
    color: var(--risk-low);
    border: 1px solid rgba(62, 202, 130, 0.25);
}

.zone-badge.excesso {
    background: rgba(255, 201, 71, 0.12);
    color: var(--risk-moderate);
    border: 1px solid rgba(255, 201, 71, 0.25);
}

.zone-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

/* Metrics grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    background: var(--color-brand-tarmac);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-medium);
    padding: 1.1rem 1.25rem;
    transition: var(--transition-default);
}

.metric-card:hover {
    border-color: rgba(255,255,255,0.14);
    transform: translateY(-2px);
}

.metric-label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(252,252,252,0.45);
    margin-bottom: 0.6rem;
}

.metric-value {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1;
    margin-bottom: 4px;
}

.metric-value-rup-exc {
    font-size:1.1rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1;
    margin-bottom: 4px;
    margin-top:6px;
}

.metric-value-stk {
    font-size:1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
    line-height: 1;
    margin-bottom: 4px;
    margin-top:6px;
}

.metric-value.na {
    font-size: 1rem;
    color: var(--color-text-dark);
}

.metric-sub {
    font-size: 0.74rem;
    color: var(--color-text-dark);
}

.ct-classificacao-wrapper {
    margin-top: 8px;
}


/* Risk chips */
.risk-chip {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 6px;
    letter-spacing: 0.04em;
}

.risk-critico { background: rgba(255,64,64,0.15); color: var(--risk-critical); }
.risk-alto    { background: rgba(255,115,14,0.15); color: var(--risk-high); }
.risk-moderado{ background: rgba(255,201,71,0.15); color: var(--risk-moderate); }
.risk-baixo   { background: rgba(62,202,130,0.15); color: var(--risk-low); }
.risk-alto-excesso { background: rgba(255,201,71,0.15); color: var(--risk-moderate); }
.risk-moderado-excesso { background: rgba(255,201,71,0.08); color: #e6b840; }

/* Recommendation */
.recommendation-block {
    background: linear-gradient(135deg, rgba(255,115,14,0.07), rgba(255,115,14,0.02));
    border: 1px solid rgba(255,115,14,0.2);
    border-radius: var(--radius-medium);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.rec-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-brand-terracotta);
    margin-bottom: 0.5rem;
}

.rec-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

/* Summary */
.summary-block {
    background: var(--color-brand-tarmac);
    border: 1px solid var(--color-dark-border);
    border-left: 3px solid var(--color-brand-terracotta);
    border-bottom: 3px solid var(--color-brand-terracotta);
    border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
    padding: 1.1rem 1.4rem;
    margin-bottom: 1.5rem;
}

.summary-block p {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-dark);
    line-height: 1.75;
}

.summary-block p strong {
    color: var(--color-text-dark);
    font-weight: 500;
}

/* Contábil specific */
.giro-classification {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 8px;
    margin-top: 4px;
}

.giro-baixo   { background: rgba(255,64,64,0.1);  color: var(--risk-critical); border: 1px solid rgba(255,64,64,0.2); }
.giro-moderado{ background: rgba(255,201,71,0.1); color: var(--risk-moderate); border: 1px solid rgba(255,201,71,0.2); }
.giro-alto    { background: rgba(62,202,130,0.1); color: var(--risk-low);     border: 1px solid rgba(62,202,130,0.2); }


/* ── CTA ── */
.cta-block {
    margin-top: 2.5rem;
    background: linear-gradient(135deg, var(--color-brand-black), var(--color-brand-tarmac));
    border: 1px solid rgba(255, 115, 14, 0.45);
    border-radius: var(--radius-large);
    padding: 2rem 2.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    animation: fadeInUp 0.5s ease both;
}

.cta-block.hidden { 
    display: none; 
}

.cta-text {
    max-width: 820px;
}

.cta-text h3 {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 0.5rem;
}

.cta-text p {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text-dark);
    max-width: 760px;
    line-height: 1.55;
    margin: 0 auto
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    gap: 8px;
    text-decoration: none;
    font-weight: 500;
    padding: 11px 22px;
    background: var(--color-btn-bg);
    color: var(--color-btn-text);
    border: none;
    border-radius: var(--radius-medium);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-default);
    letter-spacing: 0.02em;
    box-shadow: 0 6px 24px rgba(255, 115, 14, 0.45);
    margin: 0 auto;
}

.btn-cta:hover {
    background: var(--color-brand-rust);
    box-shadow: 0 6px 24px rgba(255, 115, 14, 0.45);
    transform: translateY(-1px);
}


/* ── FOOTER NOTE ── */
.footer-note {
    margin-top: 2.5rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-brand-tarmac);
    border: 1px solid var(--color-dark-border);
    border-left: 1px solid var(--color-brand-terracotta);
    border-right: 1px solid var(--color-brand-terracotta);
    border-radius: var(--radius-medium);
    animation: fadeInUp 0.5s ease both;
}

.footer-note p {
    font-size: 0.8rem;
    font-weight: 300;
    font-style: italic;
    color: var(--color-text-dark);
    line-height: 1.65;
}

/* ── FOOTER ── */
footer {
  background: var(--color-brand-black);
  border-top: 2px solid var(--color-brand-copper);
  color: var(--color-text-dark);
  padding: 2rem 0 2.4rem;
  font-family: 'Roboto', sans-serif;
}

footer p {
  text-align: center;
  color: rgba(252, 252, 252, 0.74);
  font-size: 0.95rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    text-align: left;
}

.footer-brand {
    text-align: left;
}

.footer-logo-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-logo {
    height: 60px;
    width: auto;
    border-radius: 0;
    box-shadow: none;
}

.footer-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}

.footer-description {
    font-size: 14px;
    color: var(--color-text-dark);
    text-align: left;
}

.footer-contact {
    text-align: center;
}

.footer-call {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-dark);
    text-shadow: none !important;
}

.footer-button {
    background-color: var(--color-btn-bg);
    color: var(--color-btn-text);
    padding: 12px 24px;
    border-radius: 6px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: background var(--transition-default);
}

.footer-button:hover,
.footer-button:focus-visible {
    background-color: var(--color-brand-rust);
}

.footer-social {
    text-align: right;
    justify-self: end;
}

.footer-social-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    font-family: 'Montserrat', sans-serif;
    color: var(--color-text-dark);
}

.footer-social-icons {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    margin-bottom: 16px;
}

/* Lucide */
.footer-icon {
    width: 32px;
    height: 32px;
    color: var(--color-text-dark);
    transition: color var(--transition-default);
}

/* Brands in SVG */
.footer-icon-brand {
    width: 32px;
    height: 32px;
    display: block;
    color: var(--color-text-dark);
    fill: currentColor;
    transition: color var(--transition-default), transform var(--transition-default);
}

.footer-social-icons a:hover .footer-icon,
.footer-social-icons a:hover .footer-icon-brand,
.footer-social-icons a:focus-visible .footer-icon,
.footer-social-icons a:focus-visible .footer-icon-brand {
    color: var(--color-brand-copper);
}

.footer-social-info {
    display: grid;
    gap: 8px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    font-size: 0.95rem;
}

.footer-contact-icon {
    width: 20px;
    height: 20px;
    color: var(--color-brand-copper);
}

.footer-contact-text {
    color: var(--color-text-dark);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--color-brand-copper);
    padding-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--color-text-dark);
    transition: color var(--transition-default);
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
    color: var(--color-brand-copper);
}

@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand,
    .footer-contact,
    .footer-social {
        text-align: center;
    }

    .footer-social-icons {
        justify-content: center;
    }

    .footer-contact-item {
        justify-content: center;
    }
}


/* ── ANIMATIONS ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.6; }
}

.zone-badge::before { animation: pulse-badge 2s ease infinite; }


/* ── DIVIDER ── */
.divider {
    height: 1px;
    background: var(--color-dark-border);
    margin: 1.75rem 0;
}


/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .footer-brand,
  .footer-contact,
  .footer-social {
    text-align: center;
    justify-self: center;
  }

  .footer-logo-group {
      justify-content: center;
  }

  .footer-description {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
  }

  .footer-social-icons {
      justify-content: center;
  }

  .footer-contact-item {
      justify-content: center;
  }
}

@media (max-width: 500px) {
    .tabs { flex-direction: column; width: 100%; }
    .tab-btn { text-align: center; }
    .cta-block { flex-direction: column; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
}