/* ==========================================================================
   MPoints — landing
   Direção visual: a da própria plataforma. Índigo sólido, acento azul em
   diagonal, Arial, cartões brancos com borda fina. Sem gradientes.
   Escrito mobile-first: os estilos base são para telemóvel.
   ========================================================================== */

:root {
  /* Cor */
  --color-primary: #27227f;
  --color-primary-hover: #1f1b69;
  --color-accent: #0088cc;         /* formas e superfícies */
  --color-accent-text: #006da6;    /* texto azul — 5.6:1 sobre branco */
  --color-accent-on-dark: #7fd3f0; /* texto azul sobre índigo — 7.7:1 */
  --color-highlight: #00b4d8;
  --color-fg: #111827;
  --color-fg-muted: #4b5563;
  --color-fg-subtle: #5f6675;
  --color-border: #e3e3ef;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7fb;
  --color-surface-tint: #eef0fb;
  --color-on-dark: #ffffff;
  --color-on-dark-muted: rgba(255, 255, 255, 0.78);

  /* Tipografia */
  --font: Arial, Helvetica, sans-serif;
  --text-xs: 0.8125rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.0625rem;
  --text-h3: 1.0625rem;
  --text-h2: clamp(1.625rem, 1.1rem + 2vw, 2.25rem);
  --text-h1: clamp(2rem, 1.2rem + 3.2vw, 3rem);

  /* Espaçamento */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: clamp(4rem, 3rem + 4vw, 6rem);

  /* Forma */
  --radius-sm: 4px;
  --radius-md: 7px;
  --radius-lg: 10px;
  --border: 1px solid var(--color-border);

  /* Elevação */
  --shadow-sm: 0 2px 9px rgba(39, 34, 127, 0.06);
  --shadow-md: 0 8px 22px rgba(39, 34, 127, 0.1);
  --shadow-lg: 0 24px 50px rgba(10, 8, 40, 0.3);

  /* Layout */
  --container: 1180px;
  --gutter: 16px;
  --nav-height: 64px;

  /* Movimento */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-micro: 160ms;
  --duration-section: 600ms;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-md));
  -webkit-text-size-adjust: 100%;
}

html.menu-open {
  overflow: hidden;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.15;
}

p,
figure,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  top: var(--space-xs);
  left: -9999px;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.skip-link:focus {
  left: var(--space-xs);
}

.eyebrow {
  margin-bottom: var(--space-sm);
  color: var(--color-accent-text);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: var(--color-accent-on-dark);
}

.text-link {
  color: var(--color-accent-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 48px;
  padding: 0 var(--space-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition:
    background var(--duration-micro) ease,
    color var(--duration-micro) ease,
    border-color var(--duration-micro) ease;
}

.btn-arrow {
  width: 18px;
  height: 18px;
  transition: transform var(--duration-micro) ease;
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  border-color: var(--color-border);
  background: var(--color-bg);
  color: var(--color-primary);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
}

.btn-nav {
  display: none;
  min-height: 38px;
  padding: 0 var(--space-md);
  background: var(--color-bg);
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.btn-nav:hover {
  background: var(--color-surface-tint);
}

.btn-white {
  background: var(--color-bg);
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--color-surface-tint);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--color-on-dark);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- Navegação (mesmo desenho do cabeçalho da plataforma) ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: var(--color-primary);
  transition: box-shadow var(--duration-micro) ease;
}

.nav.scrolled {
  box-shadow: 0 4px 18px rgba(15, 12, 51, 0.25);
}

.nav-accent {
  position: absolute;
  top: 0;
  right: 0;
  width: 110px;
  height: 100%;
  background: var(--color-accent);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
}

.nav-inner {
  position: relative;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.brand {
  color: var(--color-on-dark);
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.brand-dark {
  color: var(--color-primary);
}

/* Menu: gaveta no telemóvel */
.nav-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-xs) var(--gutter) var(--space-xl);
  overflow-y: auto;
  background: var(--color-primary);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity 200ms ease,
    transform 200ms ease,
    visibility 0s linear 200ms;
}

.nav.open .nav-menu {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition:
    opacity 200ms ease,
    transform 200ms ease,
    visibility 0s;
}

.nav-links a,
.nav-login {
  display: block;
  padding: var(--space-md) var(--space-2xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-on-dark);
  font-size: 1.0625rem;
  font-weight: 700;
}

.nav-cta {
  display: block;
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 700;
  text-align: center;
}

.nav-login {
  margin-top: var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-md);
  text-align: center;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

.nav-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  cursor: pointer;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--color-on-dark);
  transition: transform var(--duration-micro) ease, opacity var(--duration-micro) ease;
}

.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }

.nav.open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: calc(var(--nav-height) + var(--space-lg)) 0 var(--space-lg);
  background: var(--color-bg-alt);
}

.hero-card {
  display: grid;
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: 0 20px 50px rgba(39, 34, 127, 0.08);
}

.hero-copy {
  padding: var(--space-xl) var(--space-lg);
}

.hero h1 {
  margin-bottom: var(--space-md);
  font-size: var(--text-h1);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.lead {
  max-width: 34rem;
  color: var(--color-fg-muted);
  font-size: var(--text-lg);
}

.hero-ctas {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.hero-alt {
  margin-top: var(--space-md);
  color: var(--color-fg-subtle);
  font-size: var(--text-sm);
}

.hero-alt a {
  color: var(--color-primary);
  font-weight: 700;
  white-space: nowrap;
}

.hero-alt a:hover {
  text-decoration: underline;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) 0 var(--space-xl) var(--space-lg);
  background: var(--color-primary);
}

.hero-shape {
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  clip-path: polygon(100% 30%, 100% 100%, 0 100%);
}

.frame {
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
}

.hero-frame {
  position: relative;
  width: 118%;
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-lg);
}

/* Entrada única do print do hero: só movimento, sem esconder o conteúdo */
@media (prefers-reduced-motion: no-preference) {
  .hero-frame {
    animation: hero-in 900ms var(--ease-out) both;
  }
}

@keyframes hero-in {
  from {
    transform: translateX(32px);
  }
}

/* ---------- Factos ---------- */
.facts {
  padding-bottom: var(--space-3xl);
  background: var(--color-bg-alt);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.fact {
  padding: var(--space-md);
  border-color: var(--color-border);
  border-style: solid;
  border-width: 0;
}

.fact:nth-child(even) {
  border-left-width: 1px;
}

.fact:nth-child(n + 3) {
  border-top-width: 1px;
}

.fact strong {
  display: block;
  color: var(--color-primary);
  font-size: 1.0625rem;
}

.fact span {
  display: block;
  margin-top: var(--space-2xs);
  color: var(--color-fg-subtle);
  font-size: var(--text-xs);
  line-height: 1.45;
}

/* ---------- Secções ---------- */
.section {
  padding: var(--space-3xl) 0;
}

.section-gray {
  background: var(--color-bg-alt);
}

.section-head {
  max-width: 42rem;
  margin-bottom: var(--space-xl);
}

.section-head h2,
.split-copy h2,
.cta h2 {
  font-size: var(--text-h2);
  letter-spacing: -0.005em;
  text-wrap: balance;
}

.section-head > p:not(.eyebrow) {
  margin-top: var(--space-sm);
  color: var(--color-fg-muted);
  font-size: var(--text-lg);
}

/* ---------- Como funciona: linha de progresso entre os passos ---------- */
.steps {
  position: relative;
  display: grid;
  gap: var(--space-lg);
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: start;
  gap: var(--space-md);
}

/* Linha vertical no telemóvel */
.step:not(:last-child)::before {
  content: '';
  position: absolute;
  top: 36px;
  bottom: calc(var(--space-lg) * -1);
  left: 17px;
  width: 2px;
  background: var(--color-border);
}

.step-marker {
  position: relative;
  z-index: 1;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-on-dark);
  font-weight: 700;
}

.step-card {
  height: 100%;
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.step-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: var(--border);
  background: var(--color-bg-alt);
}

.step-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.step-body {
  padding: var(--space-md) var(--space-md) var(--space-lg);
}

.step h3 {
  font-size: var(--text-h3);
}

.step p {
  margin-top: var(--space-2xs);
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
}

/* ---------- Onde usar ---------- */
.uses {
  display: grid;
  gap: var(--space-md);
}

.use {
  padding: var(--space-lg);
  border: var(--border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.use-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-text);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.use h3 {
  font-size: 1.1875rem;
}

.use p {
  margin-top: var(--space-xs);
  color: var(--color-fg-muted);
  font-size: 0.9375rem;
}

/* ---------- Funcionalidades ---------- */
.features {
  display: grid;
  gap: var(--space-md);
}

.feature {
  padding: var(--space-lg);
  border: var(--border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--duration-micro) ease,
    box-shadow var(--duration-micro) ease;
}

.feature:hover {
  border-top-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.f-icon {
  width: 42px;
  height: 42px;
  padding: 10px;
  display: block;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-surface-tint);
  color: var(--color-primary);
}

.f-icon svg {
  width: 100%;
  height: 100%;
}

.feature h3 {
  margin-bottom: var(--space-xs);
  font-size: var(--text-h3);
}

.feature p {
  color: var(--color-fg-muted);
  font-size: 0.9375rem;
}

/* ---------- Painel ---------- */
.showcase {
  display: grid;
  gap: var(--space-md);
}

.tabs {
  display: flex;
  overflow-x: auto;
  border: var(--border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-right: var(--border);
  border-bottom: 3px solid transparent;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font);
  text-align: left;
  cursor: pointer;
  transition: background var(--duration-micro) ease, border-color var(--duration-micro) ease;
}

.tab:last-child {
  border-right: none;
}

.tab strong {
  font-size: 0.9375rem;
}

.tab small {
  display: none;
  color: var(--color-fg-subtle);
  font-size: var(--text-xs);
}

.tab:hover {
  background: var(--color-bg-alt);
}

.tab[aria-selected='true'] {
  border-bottom-color: var(--color-accent);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.tab[aria-selected='true'] small {
  color: var(--color-on-dark-muted);
}

.screens {
  aspect-ratio: 16 / 10;
  background: var(--color-bg-alt);
}

.screens img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: opacity 220ms ease;
}

.screens img.is-swapping {
  opacity: 0;
}

/* ---------- Segurança ---------- */
.section-brand {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.brand-accent {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  width: 34%;
  height: 100%;
  background: var(--color-accent);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
}

.split {
  position: relative;
  display: grid;
  gap: var(--space-2xl);
}

.split-copy > p:not(.eyebrow) {
  margin-top: var(--space-md);
  max-width: 32rem;
  color: var(--color-on-dark-muted);
  font-size: var(--text-lg);
}

.checks {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.checks li {
  position: relative;
  padding-left: var(--space-xl);
}

.checks li::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 2px;
  width: 14px;
  height: 7px;
  border-left: 2.5px solid var(--color-accent-on-dark);
  border-bottom: 2.5px solid var(--color-accent-on-dark);
  transform: rotate(-45deg);
}

.login-frame {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-lg);
}

/* ---------- FAQ ---------- */
.faq-layout {
  display: grid;
  gap: var(--space-md);
}

.faq {
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

.faq details + details {
  border-top: var(--border);
}

.faq summary {
  position: relative;
  padding: var(--space-md) 3.25rem var(--space-md) var(--space-md);
  font-weight: 700;
  list-style: none;
  cursor: pointer;
  transition: background var(--duration-micro) ease;
}

.faq summary:hover {
  background: var(--color-bg-alt);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '';
  position: absolute;
  top: 50%;
  right: var(--space-lg);
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg);
  transition: transform var(--duration-micro) ease;
}

.faq details[open] summary {
  color: var(--color-primary);
}

.faq details[open] summary::after {
  margin-top: -2px;
  transform: rotate(-135deg);
}

.faq details p {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-fg-muted);
}

/* ---------- Contacto ---------- */
.cta-section {
  padding-bottom: var(--space-3xl);
}

.cta {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.cta-accent {
  position: absolute;
  top: 0;
  right: 0;
  width: 90px;
  height: 100%;
  background: var(--color-accent);
  clip-path: polygon(50% 0, 100% 0, 100% 100%, 0 100%);
}

.cta-copy,
.contact-list {
  position: relative;
}

.cta-copy > p:not(.eyebrow) {
  margin-top: var(--space-sm);
  max-width: 34rem;
  color: var(--color-on-dark-muted);
  font-size: var(--text-lg);
}

.cta-actions {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.contact-list {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: var(--color-primary-hover);
}

.contact-list dt {
  color: var(--color-accent-on-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-list dd a {
  font-size: var(--text-lg);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contact-list dd a:hover {
  text-decoration: underline;
}

/* ---------- Rodapé ---------- */
.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: var(--border);
  background: var(--color-bg-alt);
}

.footer-inner {
  display: grid;
  gap: var(--space-xl);
}

.footer-brand p {
  margin-top: var(--space-sm);
  color: var(--color-fg-subtle);
  font-size: var(--text-sm);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl);
}

.footer-title {
  margin-bottom: var(--space-sm);
  color: var(--color-fg-subtle);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-cols a {
  display: block;
  padding: var(--space-2xs) 0;
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

.footer-cols a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--border);
  color: var(--color-fg-subtle);
  font-size: var(--text-xs);
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

/* ---------- Utilitários ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Porquê: comparação ---------- */
.compare {
  display: grid;
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-md);
}

.compare-col {
  padding: var(--space-lg);
}

.compare-col h3 {
  margin-bottom: var(--space-md);
  font-size: var(--text-h3);
}

.compare-col ul {
  display: grid;
  gap: var(--space-sm);
}

.compare-col li {
  position: relative;
  padding-left: var(--space-xl);
  font-size: 0.9375rem;
}

.compare-before {
  background: var(--color-bg-alt);
  color: var(--color-fg-muted);
}

.compare-before h3 {
  color: var(--color-fg-muted);
}

/* traço cinzento: o que falta */
.compare-before li::before {
  content: '';
  position: absolute;
  top: 0.7em;
  left: 4px;
  width: 12px;
  height: 2px;
  background: #9ca3af;
}

.compare-after {
  background: var(--color-primary);
  color: var(--color-on-dark);
}

/* visto azul: o que o MPoints resolve */
.compare-after li::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 2px;
  width: 14px;
  height: 7px;
  border-left: 2.5px solid var(--color-accent-on-dark);
  border-bottom: 2.5px solid var(--color-accent-on-dark);
  transform: rotate(-45deg);
}

/* ---------- Painel: notas de cada ecrã ---------- */
.showcase-panel {
  min-width: 0;
}

.notes {
  display: grid;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.notes[hidden] {
  display: none;
}

.notes li {
  position: relative;
  padding-left: var(--space-lg);
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
}

.notes li::before {
  content: '';
  position: absolute;
  top: 0.55em;
  left: 2px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
}

/* ---------- Contacto: copiar email ---------- */
.contact-email {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-sm);
}

.copy-btn {
  min-height: 30px;
  padding: 0 var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-on-dark);
  font-family: var(--font);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--duration-micro) ease;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.copy-btn.is-done {
  border-color: var(--color-accent-on-dark);
  color: var(--color-accent-on-dark);
}

/* ---------- Barra de contacto fixa (telemóvel) ---------- */
.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--gutter) calc(var(--space-xs) + env(safe-area-inset-bottom));
  border-top: var(--border);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 -6px 18px rgba(39, 34, 127, 0.08);
  transform: translateY(110%);
  transition: transform 250ms var(--ease-out);
}

.mobile-cta.is-visible {
  transform: none;
}

.mobile-cta .btn {
  flex: 1;
}

.mobile-cta-call {
  width: 48px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: var(--border);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.mobile-cta-call svg {
  width: 20px;
  height: 20px;
}

.footer {
  padding-bottom: calc(var(--space-lg) + 72px);
}

/* ---------- Revelação ao rolar (só com JS e sem movimento reduzido) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
      opacity var(--duration-section) var(--ease-out),
      transform var(--duration-section) var(--ease-out);
    transition-delay: calc(var(--i, 0) * 70ms);
  }

  .js .reveal.in {
    opacity: 1;
    transform: none;
  }

  /* Assinatura: a linha entre os passos desenha-se quando a secção entra */
  .js .steps.reveal {
    opacity: 1;
    transform: none;
  }

  .js .steps .step:not(:last-child)::before {
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 700ms var(--ease-out);
  }

  .js .steps.in .step:not(:last-child)::before {
    transform: none;
  }

  .js .steps .step:nth-child(2)::before { transition-delay: 250ms; }
  .js .steps .step:nth-child(3)::before { transition-delay: 500ms; }
}

/* ==========================================================================
   ≥ 640px
   ========================================================================== */
@media (min-width: 640px) {
  :root {
    --gutter: 24px;
  }

  .hero-copy {
    padding: var(--space-2xl) var(--space-2xl);
  }

  .hero-ctas,
  .cta-actions {
    display: flex;
    flex-wrap: wrap;
  }

  .facts-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .fact {
    padding: var(--space-lg);
  }

  .fact:nth-child(n) {
    border-top-width: 0;
    border-left-width: 1px;
  }

  .fact:first-child {
    border-left-width: 0;
  }

  .fact span {
    font-size: var(--text-sm);
  }

  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-xl) var(--space-lg);
  }

  .step {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    gap: var(--space-sm);
  }

  .step::before {
    display: none;
  }

  .tab small {
    display: block;
  }

  .footer-cols {
    grid-template-columns: repeat(3, auto);
    gap: var(--space-3xl);
  }
  .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compare-col {
    padding: var(--space-xl);
  }
}

/* ==========================================================================
   ≥ 960px
   ========================================================================== */
@media (min-width: 960px) {
  :root {
    --nav-height: 68px;
  }

  .nav-accent {
    width: 190px;
  }

  .nav-toggle {
    display: none;
  }

  .btn-nav {
    display: inline-flex;
  }

  .nav-menu {
    position: static;
    display: flex;
    flex: 1;
    align-items: center;
    padding: 0;
    overflow: visible;
    background: none;
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: none;
  }

  .nav-links {
    display: flex;
    gap: var(--space-2xs);
    margin-left: var(--space-md);
  }

  .nav-links a {
    padding: var(--space-xs) var(--space-sm);
    border-bottom: 2px solid transparent;
    color: var(--color-on-dark-muted);
    font-size: var(--text-sm);
    transition: color var(--duration-micro) ease, border-color var(--duration-micro) ease;
  }

  .nav-links a:hover,
  .nav-links a[aria-current='true'] {
    color: var(--color-on-dark);
    border-bottom-color: var(--color-highlight);
  }

  .nav-cta {
    display: none;
  }

  .nav-login {
    margin: 0 0 0 auto;
    padding: var(--space-xs) var(--space-sm);
    border: none;
    color: var(--color-on-dark-muted);
    font-size: var(--text-sm);
  }

  .nav-login:hover {
    color: var(--color-on-dark);
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .hero {
    padding-bottom: var(--space-xl);
  }

  .hero-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .hero-copy {
    align-self: center;
    padding: var(--space-3xl) var(--space-2xl);
  }

  .hero-visual {
    display: flex;
    align-items: center;
    min-height: 440px;
    padding: var(--space-2xl) 0 var(--space-2xl) var(--space-2xl);
  }

  .hero-frame {
    flex-shrink: 0;
    width: 120%;
  }

  .uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-md);
  }

  /* Linha horizontal entre os marcadores no desktop */
  .step:not(:last-child)::before {
    display: block;
    top: 17px;
    bottom: auto;
    left: 36px;
    right: calc(var(--space-md) * -1);
    width: auto;
    height: 2px;
  }

  .js .steps .step:not(:last-child)::before {
    transform-origin: left;
  }

  @media (prefers-reduced-motion: no-preference) {
    .js .steps .step:not(:last-child)::before {
      transform: scaleX(0);
    }

    .js .steps.in .step:not(:last-child)::before {
      transform: none;
    }
  }

  .showcase {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--space-lg);
    align-items: start;
  }

  .tabs {
    flex-direction: column;
    overflow: hidden;
  }

  .tab {
    padding: var(--space-md) var(--space-lg);
    border-right: none;
    border-bottom: var(--border);
    border-left: 3px solid transparent;
  }

  .tab:last-child {
    border-bottom: none;
  }

  .tab[aria-selected='true'] {
    border-bottom-color: var(--color-border);
    border-left-color: var(--color-accent);
  }

  .brand-accent {
    display: block;
  }

  .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: var(--space-3xl);
  }

  .login-frame {
    margin: 0 0 0 auto;
  }

  .faq-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-3xl);
    align-items: start;
  }

  .faq summary {
    padding: var(--space-lg) 3.5rem var(--space-lg) var(--space-lg);
  }

  .faq details p {
    padding: 0 var(--space-lg) var(--space-lg);
  }

  .cta {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: center;
    gap: var(--space-2xl);
    padding: var(--space-3xl) var(--space-2xl);
  }

  .cta-accent {
    width: 200px;
    clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 100%);
  }

  .footer-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .mobile-cta {
    display: none;
  }

  .footer {
    padding-bottom: var(--space-lg);
  }

  .notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-lg);
  }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- Página 404 ---------- */
.not-found {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.not-found .hero-card {
  max-width: 640px;
  margin: 0 auto;
}