/* ==========================================================================
   base.css — reset curto, tipografia, utilitários
   ========================================================================== */

/* ---------- Reset ---------- */

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-4));
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-link-hover);
}

ul,
ol {
  padding-inline-start: 1.25em;
}

address {
  font-style: normal;
}

/* `hidden` ganha sempre a qualquer display de componente (.btn, .wizard__done, …) */
[hidden] {
  display: none !important;
}

summary {
  cursor: pointer;
  list-style: none;
}

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

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

::selection {
  background: var(--brand-100);
  color: var(--navy-900);
}

/* ---------- Tipografia ---------- */

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--navy-900);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* Frase de destaque dentro do título — itálico do Source Sans 3, em laranja */
.accent {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--color-accent-text);
}

.section--navy .accent {
  color: var(--color-accent-on-dark);
}

/* Sobre laranja escuro, o accent fica branco (itálico) — como no hero */
.section--orange .accent {
  color: var(--white);
}

/* Eyebrow: ícone + texto pequeno, tracked, laranja */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-block-end: var(--space-4);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-text);
  max-width: none;
}

.eyebrow__icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-accent);
}

.section--navy .eyebrow {
  color: var(--brand-400);
}

.section--orange .eyebrow {
  color: var(--white);
}

.section--orange .eyebrow__icon {
  color: var(--brand-100);
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
}

h2 {
  font-size: var(--text-2xl);
  line-height: 1.05;
}

h3 {
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
}

h4 {
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
}

p,
li {
  max-width: 68ch;
  text-wrap: pretty;
  overflow-wrap: anywhere; /* tokens {{…}} e e-mails longos não alargam a página */
}

small,
.text-sm {
  font-size: var(--text-sm);
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-soft);
}

.text-soft {
  color: var(--color-text-soft);
}

strong {
  font-weight: 600;
}

/* ---------- Layout ---------- */

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

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--section-gap);
}

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

.section--navy {
  --color-focus: var(--color-focus-on-dark);
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section--navy h2,
.section--navy h3,
.section--navy h4 {
  color: var(--color-heading-on-dark);
}

.section--navy a {
  color: var(--color-text-on-dark);
}

.section--navy a:hover {
  color: var(--brand-400);
}

.section--navy .text-soft {
  color: var(--color-text-on-dark-soft);
}

/* Secção laranja: brand-600 (branco em cima = 4.51:1, passa AA). Sobre brand-500 o
   branco reprova (2.98:1) e o navy fica pesado — por isso o tom mais escuro. */
.section--orange {
  --color-focus: var(--white);
  background: var(--brand-600);
  color: var(--white);
}

.section--orange h2,
.section--orange h3 {
  color: var(--white);
}

.section--orange a {
  color: var(--white);
}

/* Cabeçalho de secção: eyebrow + título + intro — centrado por defeito.
   Onde o texto vive ao lado de outra coluna (hero, cartão AL, contacto) fica à esquerda. */
.section__head {
  margin-block-end: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.section__title {
  margin-inline: auto;
  margin-block-end: var(--space-4);
  max-width: 22ch;
}

.section__head .section__intro {
  margin-inline: auto;
}

.section__head--start {
  text-align: start;
}

.section__head--start .section__title,
.section__head--start .section__intro {
  margin-inline: 0;
}

/* CTA de fecho de secção, centrado */
.section__cta {
  display: flex;
  justify-content: center;
  margin-block-start: var(--space-10);
}

.section__intro {
  font-size: var(--text-lg);
  color: var(--color-text-soft);
}

.section--navy .section__intro {
  color: var(--color-text-on-dark-soft);
}

.section--orange .section__intro {
  color: var(--brand-50);
}

/* Padrão decorativo de "azulejos" arredondados (eco do stroke do logo), muito subtil */
.pattern-light {
  background-color: var(--surface);
  background-image: radial-gradient(circle at 50% 100%, rgb(10 44 77 / 0.02) 0 38%, transparent 40%);
  background-size: 4.5rem 2.25rem;
}

.pattern-dark {
  background-color: var(--navy-900);
  background-image: radial-gradient(circle at 50% 100%, rgb(255 255 255 / 0.014) 0 38%, transparent 40%);
  background-size: 4.5rem 2.25rem;
}

/* ---------- Utilitários ---------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-block-start: var(--space-2);
  inset-inline-start: var(--space-2);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--white);
  background: var(--navy-900);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline-offset: 0;
}

.flow > * + * {
  margin-block-start: var(--space-4);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.icon {
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
}

/* ---------- Movimento ---------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important; /* única exceção ao "sem !important": acessibilidade */
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}