/* =========================================================
   THE EASY VIBES — style.css
   Mobile-first. Escrito partindo de 360px e escalando com min-width.
   Design system em variáveis CSS. Sem framework.
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Cores */
  --c-bg:        #F2F0EB; /* off-white  */
  --c-ink:       #2B2B2B; /* carvão     */
  --c-sand:      #E4D5B7; /* areia      */
  --c-concrete:  #9A9A93; /* concreto   */
  --c-accent:    #4A6FA5; /* cool blue (usar 1x por seção) */
  --c-ink-soft:  #4a4a4a;

  /* Tipografia */
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-head: "Fraunces", Georgia, "Times New Roman", serif;

  /* Escala de espaçamento (base 8px) */
  --sp-1: 8px;  --sp-2: 16px; --sp-3: 24px; --sp-4: 32px;
  --sp-5: 48px; --sp-6: 64px; --sp-7: 96px; --sp-8: 128px;

  /* Layout */
  --container: 1200px;
  --radius: 10px;
  --transition: 200ms ease;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.6;
  font-size: 16px; /* mínimo legível sem zoom */
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Foco visível global (acessibilidade de teclado) */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Respeita quem prefere menos movimento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- Utilitários ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-3);
}

.visually-hidden, .hp-field {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--c-ink); color: var(--c-bg);
  padding: var(--sp-1) var(--sp-2); z-index: 200;
}
.skip-link:focus { left: var(--sp-2); top: var(--sp-2); }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-concrete);
  margin-bottom: var(--sp-2);
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;                 /* touch target >= 44px */
  padding: 0 var(--sp-4);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
}
.btn:active { transform: translateY(1px); }
.btn-sm { min-height: 40px; padding: 0 var(--sp-3); font-size: 0.85rem; }

.btn-primary { background: var(--c-ink); color: var(--c-bg); }
.btn-primary:hover { background: #000; }

.btn-outline { background: transparent; color: var(--c-ink); border-color: var(--c-ink); }
.btn-outline:hover { background: var(--c-ink); color: var(--c-bg); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--c-bg) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--c-ink) 8%, transparent);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px;
}
.brand {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: 0.95rem;
}

.nav-menu {
  display: flex; align-items: center; gap: var(--sp-3);
}
.nav-menu a { font-size: 0.9rem; color: var(--c-ink-soft); transition: color var(--transition); }
.nav-menu a:hover { color: var(--c-ink); }
.nav-cta {
  border: 1.5px solid var(--c-ink);
  border-radius: var(--radius);
  padding: 8px 18px;
  min-height: 40px; display: inline-flex; align-items: center;
  color: var(--c-ink) !important;
}
.nav-cta:hover { background: var(--c-ink); color: var(--c-bg) !important; }

/* Hambúrguer — escondido no desktop, visível no mobile */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--c-ink);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding-block: var(--sp-6) var(--sp-5); }
.hero-inner { display: grid; gap: var(--sp-5); align-items: center; }
.hero-title {
  font-family: var(--font-head);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.01em;
  font-size: clamp(2.75rem, 9vw, 5.5rem); /* tipografia fluida */
  margin-bottom: var(--sp-3);
}
.hero-sub {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: var(--c-ink-soft);
  max-width: 38ch;
  margin-bottom: var(--sp-4);
}
.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 5;      /* reserva espaço → evita CLS */
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- Manifesto ---------- */
.manifesto {
  background: var(--c-sand);
  padding-block: clamp(var(--sp-6), 12vw, var(--sp-8));
  text-align: center;
}
.manifesto-title {
  font-family: var(--font-head);
  font-weight: 400;
  line-height: 1.05;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  margin-bottom: var(--sp-3);
}
.manifesto-text {
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  letter-spacing: 0.02em;
  color: var(--c-ink-soft);
}

/* ---------- Section head genérico ---------- */
.section-head { text-align: center; margin-bottom: var(--sp-5); }
.section-title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(2rem, 6vw, 3.25rem);
}

/* ---------- Drop 01 / product grid ---------- */
.drop { padding-block: var(--sp-7); }
.product-grid {
  display: grid;
  grid-template-columns: 1fr;          /* mobile: 1 coluna */
  gap: var(--sp-4);
}
.product-card {
  display: flex; flex-direction: column;
  gap: var(--sp-2);
}
.product-media {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--c-ink) 6%, transparent);
}
.product-media img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  transition: transform 300ms ease;
}
.product-media:hover img { transform: scale(1.03); }
.product-info {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--sp-2);
}
.product-name { font-size: 1rem; font-weight: 500; }
.product-price { font-size: 1rem; color: var(--c-ink-soft); font-variant-numeric: tabular-nums; }
.product-card .btn-outline { width: 100%; }

.drop-footer { text-align: center; margin-top: var(--sp-6); }

/* ---------- Join / captura de e-mail ---------- */
.join {
  background: var(--c-ink);
  color: var(--c-bg);
  padding-block: clamp(var(--sp-6), 12vw, var(--sp-8));
  text-align: center;
}
.join-inner { max-width: 560px; margin-inline: auto; }
.join-title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(2rem, 6vw, 3.25rem);
  margin-bottom: var(--sp-2);
}
.join-sub { color: color-mix(in srgb, var(--c-bg) 70%, transparent); margin-bottom: var(--sp-4); }
.join-form {
  display: grid; gap: var(--sp-2);
}
.join-input {
  min-height: 48px;
  padding: 0 var(--sp-3);
  font-family: var(--font-body); font-size: 1rem;
  color: var(--c-ink); background: var(--c-bg);
  border: 1.5px solid transparent; border-radius: var(--radius);
}
.join-input::placeholder { color: var(--c-concrete); }
.join-input[aria-invalid="true"] { outline: 2px solid #d9534f; outline-offset: 2px; }
.join-form .btn-primary {
  background: var(--c-accent);           /* acento cool blue — 1x nesta seção */
  color: #fff;
}
.join-form .btn-primary:hover { background: #3d5d8a; }
.form-message { min-height: 1.2em; font-size: 0.9rem; }
.form-message.error   { color: #ffb3ae; }
.form-message.success { color: #bfe3c0; }
.join-legal { margin-top: var(--sp-3); font-size: 0.8rem; color: color-mix(in srgb, var(--c-bg) 55%, transparent); }
.join-legal a { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { padding-block: var(--sp-6) var(--sp-4); }
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--sp-5);
}
.footer-tagline { color: var(--c-ink-soft); margin-top: var(--sp-2); font-size: 0.9rem; }
.footer-heading {
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--c-concrete); margin-bottom: var(--sp-2);
}
.footer-col ul { display: grid; gap: var(--sp-1); }
.footer-col a { font-size: 0.9rem; color: var(--c-ink-soft); transition: color var(--transition); }
.footer-col a:hover { color: var(--c-ink); }
.footer-bottom {
  margin-top: var(--sp-5); padding-top: var(--sp-3);
  border-top: 1px solid color-mix(in srgb, var(--c-ink) 10%, transparent);
  font-size: 0.8rem; color: var(--c-concrete);
}

/* ---------- Cookie banner (GDPR) ---------- */
.cookie-banner {
  position: fixed; left: var(--sp-2); right: var(--sp-2); bottom: var(--sp-2);
  z-index: 150;
  background: var(--c-bg);
  border: 1px solid color-mix(in srgb, var(--c-ink) 15%, transparent);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  padding: var(--sp-3);
  display: grid; gap: var(--sp-2);
}
.cookie-text { font-size: 0.85rem; color: var(--c-ink-soft); }
.cookie-text a { text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--sp-2); justify-content: flex-end; }

/* =========================================================
   BREAKPOINTS (min-width — mobile-first)
   ========================================================= */

/* Tablet ---------------------------------------------- */
@media (min-width: 768px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--sp-5); }
  .footer-grid  { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .cookie-banner {
    left: auto; right: var(--sp-3); bottom: var(--sp-3);
    max-width: 420px;
  }
}

/* Desktop ---------------------------------------------- */
@media (min-width: 1024px) {
  .hero { padding-block: var(--sp-8) var(--sp-7); }
  .hero-inner { grid-template-columns: 1.05fr 0.95fr; gap: var(--sp-6); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Wide ------------------------------------------------- */
@media (min-width: 1440px) {
  .container { padding-inline: var(--sp-4); }
}

/* Mobile / tablet: menu vira overlay lateral ----------- */
@media (max-width: 1023px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: 64px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--c-bg);
    border-bottom: 1px solid color-mix(in srgb, var(--c-ink) 10%, transparent);
    padding: var(--sp-2) var(--sp-3) var(--sp-4);
    transform: translateY(-8px);
    opacity: 0; pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; width: 100%; padding: var(--sp-2) 0; font-size: 1.05rem; }
  .nav-cta { margin-top: var(--sp-2); justify-content: center; }
}