/* ESTILO BRASIL — Washi Atelier
   Tinta, papel, selo vermelho, luz de lanterna.
   Shippori Mincho + Zen Kaku Gothic New.
*/

:root {
  --ink: #1c1916;
  --washi: #f3ead9;
  --washi-soft: #faf4e8;
  --washi-deep: #e6d9c2;
  --vermilion: #c23a2b;
  --vermilion-deep: #9e2e22;
  --indigo: #3d4f63;
  --indigo-soft: #5a6d82;
  --taupe: #b7aea2;
  --lantern: #e8c9a0;
  --shadow: rgba(28, 25, 22, 0.12);
  --display: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  --frame: 1px solid rgba(28, 25, 22, 0.18);
  --frame-inner: 6px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--washi);
  background-image:
    radial-gradient(ellipse at 18% 0%, rgba(232, 201, 160, 0.55), transparent 46%),
    radial-gradient(ellipse at 92% 8%, rgba(194, 58, 43, 0.07), transparent 36%),
    radial-gradient(ellipse at 50% 100%, rgba(61, 79, 99, 0.08), transparent 42%),
    repeating-linear-gradient(90deg, rgba(28, 25, 22, 0.018) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(0deg, rgba(28, 25, 22, 0.016) 0 1px, transparent 1px 22px);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  min-height: 100vh;
}

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

a {
  color: var(--indigo);
  text-underline-offset: 0.22em;
}

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

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

.hidden {
  position: absolute;
  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: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--ink);
  color: var(--washi);
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
}

.skip-link:focus {
  top: 0.7rem;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.narrow {
  width: min(760px, calc(100% - 2rem));
  margin-inline: auto;
}

/* ----- Shoji frame ----- */
.shoji {
  border: var(--frame);
  background: var(--washi-soft);
  box-shadow:
    inset 0 0 0 var(--frame-inner) var(--washi-soft),
    inset 0 0 0 calc(var(--frame-inner) + 1px) rgba(28, 25, 22, 0.12);
  padding: calc(var(--frame-inner) + 1.1rem);
}

.shoji-photo {
  padding: calc(var(--frame-inner) + 0.45rem);
  background: var(--washi-soft);
  border: var(--frame);
  box-shadow:
    inset 0 0 0 var(--frame-inner) var(--washi-soft),
    inset 0 0 0 calc(var(--frame-inner) + 1px) rgba(28, 25, 22, 0.12);
}

.shoji-photo img {
  width: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
}

/* ----- Stamp / hanko ----- */
.hanko {
  width: 4.6rem;
  height: 4.6rem;
  border-radius: 50%;
  border: 2px solid var(--vermilion);
  color: var(--vermilion);
  display: grid;
  place-items: center;
  text-align: center;
  transform: rotate(-9deg);
  flex-shrink: 0;
  background: rgba(194, 58, 43, 0.04);
  box-shadow: inset 0 0 0 3px rgba(194, 58, 43, 0.25);
}

.hanko span {
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.15;
}

.hanko.lg {
  width: 6.4rem;
  height: 6.4rem;
}

.hanko.lg span { font-size: 0.92rem; }

/* ----- Vertical decorative words ----- */
.tategaki {
  writing-mode: vertical-rl;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.45em;
  color: var(--indigo);
  font-size: 0.95rem;
  user-select: none;
}

/* ----- Buttons & fields ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--washi);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.35rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn:hover {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: var(--washi);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--washi);
}

.btn-sm {
  padding: 0.55rem 0.9rem;
  font-size: 0.78rem;
}

.btn-block { width: 100%; }

.field,
select.field,
textarea.field {
  width: 100%;
  border: 1px solid rgba(28, 25, 22, 0.28);
  background: var(--washi-soft);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.75rem 0.85rem;
  outline: none;
}

.field:focus {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 3px rgba(194, 58, 43, 0.15);
}

textarea.field { min-height: 9rem; resize: vertical; }

.checkbox-line {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--indigo);
}

.checkbox-line.full {
  grid-column: 1 / -1;
  margin-top: 0.35rem;
}

.checkbox-line input {
  margin-top: 0.25rem;
  accent-color: var(--vermilion);
  flex-shrink: 0;
}

label.stack {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.form-hint,
.form-note,
.summary-note {
  color: var(--indigo-soft);
  font-size: 0.88rem;
}

.form-feedback {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--vermilion);
  color: var(--vermilion-deep);
  background: rgba(194, 58, 43, 0.08);
  font-size: 0.95rem;
}

.form-feedback.show { display: block; }

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 234, 217, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: var(--frame);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-logo {
  width: 3.1rem;
  height: 3.1rem;
}

.brand-name {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 1.05rem;
  display: block;
}

.brand-tag {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--indigo);
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid transparent;
}

.main-nav a[aria-current="page"],
.main-nav a:hover {
  border-bottom-color: var(--vermilion);
  color: var(--vermilion);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--ink);
  border: var(--frame);
  padding: 0.4rem 0.7rem;
  background: var(--washi-soft);
}

.cart-link svg { width: 1.25rem; height: 1.25rem; }

.cart-badge {
  min-width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--vermilion);
  color: var(--washi);
  font-size: 0.72rem;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: var(--frame);
  background: var(--washi-soft);
  cursor: pointer;
  padding: 0.55rem;
}

.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
  margin: 0.32rem 0;
}

/* ----- Hero ----- */
.hero {
  display: grid;
  grid-template-columns: auto 1fr minmax(0, 0.95fr);
  gap: 1.5rem;
  align-items: center;
  padding: 2.8rem 0 3.2rem;
}

.hero-copy {
  max-width: 34rem;
}

.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--vermilion);
  margin-bottom: 0.8rem;
}

.hero p.lead {
  font-size: 1.12rem;
  color: var(--indigo);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.hero-photo {
  position: relative;
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.lantern-glow {
  position: absolute;
  inset: auto -8% -10% auto;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 201, 160, 0.75), transparent 70%);
  pointer-events: none;
  filter: blur(8px);
}

/* ----- Sections ----- */
.section {
  padding: 3rem 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;
  border-bottom: var(--frame);
  padding-bottom: 0.8rem;
}

.ink-rule {
  height: 1px;
  background: linear-gradient(90deg, var(--vermilion), transparent 70%);
  border: 0;
  margin: 1.4rem 0;
}

.page-hero {
  padding: 2.4rem 0 1.2rem;
}

.page-hero p {
  color: var(--indigo);
  max-width: 40rem;
}

/* ----- Product grid ----- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.35rem;
}

.prod-card {
  background: var(--washi-soft);
  border: var(--frame);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.prod-media {
  position: relative;
  display: block;
  overflow: hidden;
}

.prod-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.prod-card:hover .prod-media img {
  transform: scale(1.04);
}

.prod-lote {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1.5px solid var(--vermilion);
  color: var(--vermilion);
  background: rgba(243, 234, 217, 0.88);
  font-family: var(--display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  display: grid;
  place-items: center;
  transform: rotate(-8deg);
}

.prod-body {
  padding: 1rem 1.05rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.prod-cat {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--indigo);
}

.prod-body h3 a {
  color: var(--ink);
  text-decoration: none;
}

.prod-body h3 a:hover { color: var(--vermilion); }

.prod-desc {
  font-size: 0.9rem;
  color: var(--indigo);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prod-price {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-top: auto;
}

/* ----- Split atelier ----- */
.atelier-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.value-card {
  border: var(--frame);
  padding: 1.1rem 1rem;
  background: rgba(250, 244, 232, 0.7);
}

.value-card .tategaki {
  height: 5.2rem;
  margin-bottom: 0.6rem;
  font-size: 0.82rem;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--indigo);
  margin: 0;
}

/* ----- Catalog filters ----- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.4rem;
}

.filter-btn {
  border: 1px solid rgba(28, 25, 22, 0.22);
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  border-radius: 999px;
}

.filter-btn[aria-pressed="true"],
.filter-btn:hover {
  background: var(--ink);
  color: var(--washi);
  border-color: var(--ink);
}

/* ----- Product detail ----- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--indigo);
  margin-bottom: 1.2rem;
}

.breadcrumb .sep { margin: 0 0.4rem; color: var(--taupe); }

.prod-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.2rem;
  align-items: start;
}

.lote-label {
  display: inline-block;
  border: 1.5px solid var(--vermilion);
  color: var(--vermilion);
  border-radius: 999px;
  padding: 0.15rem 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.size-select {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.4rem 0 1rem;
}

.size-opt {
  min-width: 2.6rem;
  border: 1px solid rgba(28, 25, 22, 0.28);
  background: var(--washi-soft);
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  font-family: var(--sans);
}

.size-opt.selected,
.size-opt:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

.prod-meta ul {
  padding-left: 1.1rem;
  color: var(--indigo);
  font-size: 0.92rem;
}

/* ----- Cart ----- */
.cart-layout,
.checkout-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 1.5rem;
  align-items: start;
}

.cart-item {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 0.9rem;
  padding: 0.9rem 0;
  border-bottom: var(--frame);
}

.cart-item img {
  width: 96px;
  height: 120px;
  object-fit: cover;
}

.ci-name {
  font-family: var(--display);
  font-weight: 700;
  margin: 0 0 0.2rem;
}

.ci-meta, .ci-price { font-size: 0.88rem; color: var(--indigo); margin: 0; }

.qty {
  display: inline-flex;
  align-items: center;
  border: var(--frame);
}

.qty button {
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 1.1rem;
}

.qty-val { min-width: 1.6rem; text-align: center; }

.remove-link {
  display: block;
  margin-top: 0.45rem;
  background: none;
  border: 0;
  color: var(--vermilion);
  cursor: pointer;
  font-size: 0.82rem;
  text-decoration: underline;
  padding: 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.95rem;
}

.summary-row.total {
  border-top: var(--frame);
  margin-top: 0.5rem;
  padding-top: 0.7rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.15rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
}

.empty-state .hanko { margin: 0 auto 1rem; }

/* ----- Forms layout ----- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 1rem;
}

.form-grid .full { grid-column: 1 / -1; }

.fieldset {
  border: 0;
  margin: 0 0 1.6rem;
  padding: 0;
}

.fieldset-title {
  font-family: var(--display);
  font-size: 1.25rem;
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.fieldset-title .num {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  border: 1.5px solid var(--vermilion);
  color: var(--vermilion);
  display: grid;
  place-items: center;
  font-size: 0.78rem;
}

.pay-option {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem 0.7rem;
  padding: 0.75rem 0.85rem;
  border: var(--frame);
  margin-bottom: 0.5rem;
  background: var(--washi-soft);
}

.pay-option small {
  grid-column: 2;
  color: var(--indigo);
}

.news-form form,
form[data-form-feedback] .news-row {
  display: grid;
  gap: 0.55rem;
}

.news-form form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
}

.news-form .checkbox-line { font-size: 0.8rem; }

/* ----- Footer ----- */
.site-footer {
  margin-top: 3rem;
  border-top: var(--frame);
  background: linear-gradient(180deg, rgba(230, 217, 194, 0.45), var(--washi));
}

.footer-lantern {
  height: 3.2rem;
  color: var(--vermilion);
  opacity: 0.7;
  display: flex;
  justify-content: center;
  padding-top: 0.6rem;
}

.footer-lantern svg { width: min(420px, 90%); height: 2.4rem; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 1.1fr;
  gap: 2rem;
  padding: 1.6rem 0 2rem;
}

.footer-title {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li { margin: 0.3rem 0; }

.footer-links a {
  color: var(--ink);
  text-decoration: none;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.7rem;
}

.footer-bottom {
  border-top: var(--frame);
  padding: 1.1rem 0 1.6rem;
  font-size: 0.88rem;
  color: var(--indigo);
}

.legal-name {
  font-family: var(--display);
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.copyright { margin: 0.3rem 0 0; }

/* ----- Legal ----- */
.legal-page h2 {
  margin-top: 1.8rem;
  font-size: 1.35rem;
}

.legal-page ul { color: var(--indigo); }

.contact-split {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 1.6rem;
  align-items: start;
}

.contact-aside p { margin-bottom: 0.4rem; }

/* ----- Toast ----- */
.toast-region {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  display: grid;
  gap: 0.5rem;
}

.toast {
  background: var(--ink);
  color: var(--washi);
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.55rem;
  align-items: center;
  min-width: 16rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.toast-ico { color: var(--lantern); }

.toast.out { opacity: 0; transition: opacity 0.3s; }

/* ----- Misc ----- */
.card { background: var(--washi-soft); border: var(--frame); }
.card-pad { padding: 1.1rem 1.15rem; }

.size-label { font-size: 0.88rem; letter-spacing: 0.08em; text-transform: uppercase; }

@media (max-width: 900px) {
  .hero,
  .atelier-split,
  .prod-detail,
  .cart-layout,
  .checkout-layout,
  .contact-split,
  .footer-grid,
  .values {
    grid-template-columns: 1fr;
  }

  .hero { padding-top: 1.6rem; }

  .tategaki.hero-tategaki {
    writing-mode: horizontal-tb;
    letter-spacing: 0.35em;
    justify-self: start;
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--washi);
    border-bottom: var(--frame);
    padding: 0.8rem 1rem 1.1rem;
  }

  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0.7rem; }
  .nav-toggle { display: block; }
  .cart-link-text { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .news-form form { grid-template-columns: 1fr; }
  .header-inner { position: relative; }
}

@media (max-width: 560px) {
  .cart-item {
    grid-template-columns: 72px 1fr;
  }
  .cart-item-actions { grid-column: 1 / -1; }
  .values { grid-template-columns: 1fr 1fr; }
}