/* Grand Frame — dinding galeri. Lihat docs/PRD.md bagian 11. */

/*
 * Fallback yang lebarnya disamakan dengan font web (diukur di Chrome),
 * supaya baris teks tidak bergeser (CLS) saat Google Fonts selesai dimuat.
 */
@font-face {
  font-family: "Bodoni Moda Fallback";
  src: local("Georgia");
  size-adjust: 104%;
}

@font-face {
  font-family: "Work Sans Fallback";
  src: local("Arial"), local("Helvetica");
  size-adjust: 110.4%;
}

:root {
  /* Palet PRD */
  --dinding: #eef0ee;
  --kertas: #ffffff;
  --tinta: #1d2528;
  --garis: #c9cfcc;
  --lapangan: #1e4d6b;

  /* Turunan (kontras sudah dicek WCAG AA) */
  --tinta-2: #566260;        /* teks sekunder: 5,5:1 di dinding */
  --garis-kuat: #7b8683;     /* border kontrol form: 3,3:1 di dinding */
  --lapangan-gelap: #163a51;
  --galat: #a3261e;
  --latar-foto: #dfe3e1;

  --font-display: "Bodoni Moda", "Bodoni Moda Fallback", "Bodoni 72", Didot, "Bodoni MT", Georgia, serif;
  --font-body: "Work Sans", "Work Sans Fallback", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --gutter: 16px;
  --max: 1200px;
  --header-h: 60px;
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: light;
}

@media (min-width: 720px) {
  :root { --gutter: 32px; }
}

/* ---------- Dasar ---------- */

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

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-gutter: stable; /* halaman tidak bergeser saat drawer mengunci scroll */
}

html:has(.drawer[open]) { overflow: hidden; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--dinding);
  color: var(--tinta);
  font: 400 1rem/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { margin: 0; text-wrap: balance; }

h1, h2 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
}

h2 { font-size: clamp(1.875rem, 5vw, 2.625rem); line-height: 1.1; }

p { margin: 0; }

a { color: var(--lapangan); }

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

button { cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--lapangan);
  outline-offset: 2px;
}

[tabindex="-1"]:focus { outline: none; }

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

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--kertas);
  color: var(--tinta);
  transform: translateY(-200%);
}

.skip-link:focus { transform: none; }

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Tombol ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary { background: var(--lapangan); color: #fff; }
.btn-primary:hover { background: var(--lapangan-gelap); }

.btn-secondary { background: transparent; border-color: var(--tinta); color: var(--tinta); }
.btn-secondary:hover { background: var(--tinta); color: var(--kertas); }

.btn:disabled,
.btn:disabled:hover {
  background: transparent;
  border-color: var(--garis);
  color: var(--tinta-2);
  cursor: not-allowed;
}

.btn-block { width: 100%; }

.text-link {
  color: var(--lapangan);
  font-weight: 500;
  text-underline-offset: 3px;
}

.text-btn {
  padding: 4px 0;
  border: 0;
  background: none;
  color: var(--tinta-2);
  font-size: 0.875rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-btn:hover { color: var(--tinta); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--tinta);
}

.icon-btn:hover { background: rgb(29 37 40 / 0.06); }

/* Stepper jumlah (− 1 +) */
.stepper {
  display: flex;
  min-height: 44px;
  border: 1px solid var(--tinta);
  border-radius: 2px;
}

.stepper-btn {
  flex: 0 0 42px;
  border: 0;
  background: transparent;
  font-size: 1.25rem;
  line-height: 1;
}

.stepper-btn:hover { background: rgb(29 37 40 / 0.06); }

.stepper-btn[aria-disabled="true"] { color: var(--garis-kuat); cursor: not-allowed; }
.stepper-btn[aria-disabled="true"]:hover { background: transparent; }

.stepper-qty {
  flex: 1;
  display: grid;
  place-items: center;
  min-width: 2ch;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stepper-sm { min-height: 36px; border-color: var(--garis-kuat); }
.stepper-sm .stepper-btn { flex-basis: 36px; font-size: 1.125rem; }
.stepper-sm .stepper-qty { flex: 0 0 32px; }

/* ---------- Strip batch & header ---------- */

/* Teks diisi JS; tingginya dicadangkan supaya halaman tidak bergeser saat terisi. */
.strip {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(2 * 1.4em + 16px);
  padding: 8px var(--gutter);
  background: var(--tinta);
  color: var(--dinding);
  font-size: 0.8125rem;
  line-height: 1.4;
  text-align: center;
  text-wrap: balance;
}

@media (min-width: 640px) {
  .strip { min-height: calc(1.4em + 16px); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--dinding);
  border-bottom: 1px solid var(--garis);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--header-h);
}

.wordmark {
  margin: 0;
  color: var(--tinta);
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 16px;
  margin-left: auto;
}

.nav a {
  color: var(--tinta);
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
}

.nav a:hover { text-decoration: underline; text-underline-offset: 4px; }

.cart-btn {
  position: relative;
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--tinta);
}

.cart-btn:hover { background: rgb(29 37 40 / 0.06); }

.cart-badge {
  position: absolute;
  top: 4px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--lapangan);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 18px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* HP sempit (360–399 px): beri ruang cadangan supaya tombol keranjang tidak terdorong keluar. */
@media (max-width: 399px) {
  .header-inner { gap: 12px; }
  .nav { gap: 12px; }
  .nav a { font-size: 0.8125rem; }
  .wordmark { font-size: 1.1875rem; }
}

@media (min-width: 720px) {
  .nav { gap: 28px; }
  .nav a { font-size: 0.9375rem; }
  .wordmark { font-size: 1.5rem; }
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  gap: 32px;
  padding-block: 40px 56px;
}

.hero h1 {
  font-size: clamp(2.75rem, 11vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-sub {
  max-width: 34ch;
  margin-top: 18px;
  color: var(--tinta-2);
  font-size: 1.0625rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--latar-foto);
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px;
    padding-block: 64px 80px;
  }
}

/* Saat halaman dibuka: teks naik bergiliran. Foto hero (LCP) tanpa delay. */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: rise-in 0.8s var(--ease-out) backwards; }
  .hero-sub { animation-delay: 0.12s; }
  .hero-actions { animation-delay: 0.24s; }
  .hero-media { animation: fade-in 1s ease-out; }
}

/* ---------- Section ---------- */

.section {
  padding-block: 56px 64px;
  border-top: 1px solid var(--garis);
  scroll-margin-top: var(--header-h);
}

@media (min-width: 720px) {
  .section { padding-block: 72px 88px; }
}

/* ---------- Katalog ---------- */

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 24px;
}

.section-head h2 { scroll-margin-top: calc(var(--header-h) + 24px); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; }

.filter {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--garis-kuat);
  border-radius: 999px;
  background: transparent;
  font-size: 0.9375rem;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.filter:hover { border-color: var(--tinta); }

.filter[aria-pressed="true"] {
  border-color: var(--tinta);
  background: var(--tinta);
  color: var(--kertas);
}

.info-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  margin: 20px 0 36px;
  color: var(--tinta-2);
  font-size: 0.9375rem;
}

.wall-empty {
  padding: 48px 0;
  color: var(--tinta-2);
  text-align: center;
}

/*
 * Dinding galeri.
 * Tiap kolom punya "paku" di tengah. Lebar kartu = --w / --wmax dari lebar kolom,
 * jadi dalam satu tampilan semua frame memakai skala yang sama (tennis 50 cm
 * tampak lebih lebar dari padel 40 cm). Semua kartu rata atas pada satu rel.
 */
.wall {
  --cols: 2;
  --gap: 12px;
  --hang: 28px;
  --cord-inset: 16%;

  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  gap: 44px var(--gap);
  align-items: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 720px) {
  .wall { --cols: 3; --gap: 32px; --hang: 36px; row-gap: 64px; }
}

@media (min-width: 1080px) {
  .wall { --cols: 4; --gap: 40px; }
}

.card {
  position: relative;
  justify-self: center;
  width: calc(var(--w, 1) / var(--wmax, 1) * 100%);
  padding-top: var(--hang);
}

/*
 * Rel: tiap kartu menggambar rel selebar kolomnya + setengah gap di kiri-kanan,
 * jadi satu baris terlihat sebagai satu rel. Kartu di ujung baris tidak
 * menambah setengah gap supaya rel berhenti tepat di tepi konten.
 */
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: calc((1 - var(--wmax, 1) / var(--w, 1)) * 50% - var(--rail-l, var(--gap) / 2));
  right: calc((1 - var(--wmax, 1) / var(--w, 1)) * 50% - var(--rail-r, var(--gap) / 2));
  height: 2px;
  background: var(--garis);
}

.card:last-child { --rail-r: 0px; }

@media (max-width: 719px) {
  .card:nth-child(2n + 1) { --rail-l: 0px; }
  .card:nth-child(2n) { --rail-r: 0px; }
}

@media (min-width: 720px) and (max-width: 1079px) {
  .card:nth-child(3n + 1) { --rail-l: 0px; }
  .card:nth-child(3n) { --rail-r: 0px; }
}

@media (min-width: 1080px) {
  .card:nth-child(4n + 1) { --rail-l: 0px; }
  .card:nth-child(4n) { --rail-r: 0px; }
}

.frame {
  position: relative;
  aspect-ratio: var(--ratio, 2 / 3);
  background: var(--latar-foto);
  box-shadow:
    0 1px 1px rgb(29 37 40 / 0.08),
    0 14px 24px -14px rgb(29 37 40 / 0.45);
}

/* Dua tali gantung dari rel ke sisi atas frame. */
.frame::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: var(--cord-inset);
  right: var(--cord-inset);
  height: calc(var(--hang) - 2px);
  border-inline: 1px solid rgb(29 37 40 / 0.4);
}

.frame-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body { padding-top: 16px; }

.card-name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.2;
}

.card-cat {
  margin: 2px 0 12px;
  color: var(--tinta-2);
  font-size: 0.8125rem;
}

@media (min-width: 720px) {
  .card-name { font-size: 1.25rem; }
  .card-cat { font-size: 0.875rem; margin-bottom: 14px; }
}

@media (prefers-reduced-motion: no-preference) {
  .card .stepper { animation: pop-in 0.18s var(--ease-out); }
  .wall-empty { animation: fade-in 0.4s ease-out; }
}

/* ---------- Cara pesan ---------- */

.steps {
  display: grid;
  gap: 24px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  column-gap: 12px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
}

.steps h3 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.steps p {
  margin-top: 4px;
  color: var(--tinta-2);
  font-size: 0.9375rem;
}

@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(5, 1fr); gap: 32px; }
  .steps li {
    grid-template-columns: 1fr;
    align-content: start;
    padding-top: 20px;
    border-top: 1px solid var(--garis);
  }
  .steps li::before { grid-row: auto; margin-bottom: 16px; font-size: 2.25rem; }
}

/* ---------- FAQ ---------- */

.faq-wrap { max-width: calc(760px + 2 * var(--gutter)); margin-inline: 0; }

@media (min-width: 900px) {
  .faq-wrap { margin-inline: auto; max-width: calc(var(--max) + 2 * var(--gutter)); display: grid; grid-template-columns: 5fr 7fr; gap: 56px; }
}

.faq { margin-top: 28px; border-top: 1px solid var(--garis); }

@media (min-width: 900px) {
  .faq { margin-top: 0; }
}

.faq details { border-bottom: 1px solid var(--garis); }

.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  flex: none;
  font-size: 1.25rem;
  line-height: 1.2;
}

.faq details[open] summary::after { content: "−"; }

.faq details p {
  max-width: 60ch;
  padding-bottom: 20px;
  color: var(--tinta-2);
}

@media (prefers-reduced-motion: no-preference) {
  .faq details[open] p { animation: rise-in 0.35s var(--ease-out); }
}

/* ---------- Footer ---------- */

.site-footer {
  padding-block: 40px;
  border-top: 1px solid var(--garis);
  font-size: 0.875rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 32px;
}

.footer-links {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a { color: var(--tinta); text-underline-offset: 3px; }

.copyright { color: var(--tinta-2); }

@media (min-width: 720px) {
  .copyright { margin-left: auto; }
}

/* ---------- Drawer keranjang ---------- */

.drawer {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(100%, 440px);
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--kertas);
  color: var(--tinta);
  overflow: hidden;
  --pad: 20px;
}

@media (min-width: 600px) {
  .drawer { --pad: 28px; box-shadow: -8px 0 32px rgb(29 37 40 / 0.12); }
}

.drawer::backdrop { background: rgb(29 37 40 / 0.45); }

@media (prefers-reduced-motion: no-preference) {
  .drawer[open] { animation: drawer-in 0.28s var(--ease-out); }
  .drawer[open]::backdrop { animation: fade-in 0.28s ease-out; }
  .drawer.is-closing { animation: drawer-out 0.2s ease-in forwards; }
  .drawer.is-closing::backdrop { animation: fade-out 0.2s ease-in forwards; }
  /* Tiap ganti tampilan (keranjang → konfirmasi → selesai) isinya memudar masuk. */
  .drawer-view { animation: fade-in 0.3s ease-out; }
  .drawer-message { animation-name: rise-in; }
}

.drawer-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.drawer-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--garis);
  background: var(--kertas);
}

.drawer-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; }

.drawer-view {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 0 var(--pad) var(--pad);
}

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

.row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--garis);
}

.row-thumb {
  width: 56px;
  height: auto;
  background: var(--latar-foto);
  object-fit: cover;
  box-shadow: 0 4px 10px -6px rgb(29 37 40 / 0.5);
}

.row-name { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 500; line-height: 1.25; }

.row-meta { margin-top: 2px; color: var(--tinta-2); font-size: 0.8125rem; }

.row-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 12px;
}

.row-subtotal { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

.drawer-empty {
  display: grid;
  justify-items: start;
  gap: 20px;
  padding-top: 32px;
  color: var(--tinta-2);
}

.checkout {
  display: grid;
  gap: 16px;
  margin-top: auto;
  padding-top: 24px;
}

.total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 1.125rem;
}

.total strong { font-weight: 600; font-variant-numeric: tabular-nums; }

.note { margin-top: -10px; color: var(--tinta-2); font-size: 0.8125rem; }

.field { display: grid; gap: 6px; }

.field label { font-size: 0.875rem; font-weight: 500; }

.field input {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--garis-kuat);
  border-radius: 2px;
  background: var(--kertas);
  font-size: 1rem; /* ≥ 16px supaya iOS tidak zoom */
}

.field input:focus-visible { outline-offset: 0; border-color: var(--lapangan); }

.field input[aria-invalid="true"] { border-color: var(--galat); }

.field-err { color: var(--galat); font-size: 0.8125rem; }
.field-err:empty { display: none; }

.po-note { color: var(--tinta-2); font-size: 0.8125rem; }

.closed-note {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: var(--dinding);
  font-size: 0.875rem;
}

.drawer-message {
  gap: 16px;
  padding-top: 32px;
}

.drawer-message h3 {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 500;
  line-height: 1.2;
}

.drawer-message p { color: var(--tinta-2); }
.drawer-message strong { color: var(--tinta); font-variant-numeric: tabular-nums; }
.drawer-message .btn:not(.btn-block) { justify-self: start; align-self: flex-start; }

.stack { display: grid; gap: 10px; margin-top: 8px; }

/* ---------- Motion ---------- */

/*
 * Muncul saat pertama kali terlihat. js/app.js memasang .motion di <html> dan .is-in
 * di tiap elemen. Tanpa JS, dengan reduced motion, atau saat dicetak, semua langsung tampil.
 */
@media screen and (prefers-reduced-motion: no-preference) {
  .motion .reveal,
  .motion .card > .frame,
  .motion .card > .card-body {
    transition:
      opacity 0.6s var(--ease-out) var(--delay, 0s),
      transform 0.7s var(--ease-out) var(--delay, 0s);
  }

  .motion .reveal:not(.is-in) { opacity: 0; transform: translateY(16px); }

  /* Kartu: frame turun sedikit seperti baru digantung. Rel tetap diam. */
  .motion .card:not(.is-in) > .frame { opacity: 0; transform: translateY(-12px); }
  .motion .card:not(.is-in) > .card-body { opacity: 0; transform: translateY(8px); }
  .motion .card > .card-body { transition-delay: calc(var(--delay, 0s) + 0.08s); }

  /* Foto memudar masuk setelah selesai dimuat; latar frame jadi placeholder. */
  .motion .frame-img { transition: opacity 0.5s ease-out; }
  .motion .frame-img:not(.is-loaded) { opacity: 0; }

  /* Ganti filter: kartu lama memudar keluar dulu. */
  .motion .wall.is-leaving > .card { opacity: 0; transition: opacity 0.18s ease-in; }
}

@keyframes drawer-in { from { transform: translateX(100%); } }
@keyframes drawer-out { to { transform: translateX(100%); } }
@keyframes fade-in { from { opacity: 0; } }
@keyframes fade-out { to { opacity: 0; } }
@keyframes pop-in { from { opacity: 0; transform: scale(0.96); } }
@keyframes rise-in { from { opacity: 0; transform: translateY(12px); } }