* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }

:root {
  --bg: #0d0d0e;
  --panel: #18191b;
  --panel-2: #1e2022;
  --border: rgba(255,255,255,.09);
  --border-strong: rgba(255,255,255,.2);
  --text: #f3f2ef;
  --text-muted: #adadae;
  --text-faint: #7d7d7f;
  --red: #c8402f;
  --red-soft: rgba(200,64,47,.16);
  --yellow: #d9c640;
  --yellow-soft: rgba(217,198,64,.16);
  --green: #7c9354;
  --green-soft: rgba(124,147,84,.18);
  --highlight: #dedcd8;
}

h1, h2, h3 {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: .03em;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}
p { font-family: 'Jost', sans-serif; color: var(--text-muted); line-height: 1.7; margin: 0; }
a { color: inherit; }
button { font-family: 'Jost', sans-serif; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--highlight); outline-offset: 3px; }

.page { width: 100%; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); color: var(--text); }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 640px) { .container { padding: 0 20px; } }

/* shape fills, shared by every size context */
.fill-triangle { clip-path: polygon(50% 4%, 4% 96%, 96% 96%); background: var(--red); }
.fill-circle { border-radius: 50%; background: var(--yellow); }
.fill-square { border-radius: 6px; background: var(--green); }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13,13,14,.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px; gap: 16px;
}
@media (max-width: 480px) {
  .site-header .container { flex-direction: column; gap: 14px; padding-top: 16px; padding-bottom: 16px; }
}
.wordmark {
  font-family: 'Oswald', sans-serif; font-size: 19px; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--text);
  display: flex; align-items: baseline; white-space: nowrap;
}
.wordmark-sub {
  font-family: 'Caveat', cursive; font-size: 18px; font-weight: 600;
  letter-spacing: 0; text-transform: none; color: var(--text-muted); margin-left: 6px;
}

.tabs-track {
  position: relative; display: inline-flex;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px;
}
.tabs-highlight {
  position: absolute; top: 4px; left: 4px; bottom: 4px;
  width: calc(50% - 4px); background: var(--highlight); border-radius: 999px;
  transition: transform .4s cubic-bezier(.65,0,.35,1);
}
.tabs-highlight.is-order { transform: translateX(100%); }
.tab-btn {
  position: relative; z-index: 2; min-width: 92px; text-align: center;
  background: transparent; border: 0; padding: 10px 22px;
  font-family: 'Oswald', sans-serif; font-size: 13px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted); cursor: pointer;
  border-radius: 999px; transition: color .35s ease;
}
.tab-btn.active { color: #0d0d0e; font-weight: 600; }

main { flex: 1; }

@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pop { from { transform: scale(.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* about */
.hero { padding: 96px 0 56px; text-align: center; animation: riseIn .7s ease both; }
.about-logo { width: min(420px, 72vw); height: auto; display: block; margin: 0 auto 28px; border-radius: 10px; }
.tagline { font-family: 'Caveat', cursive; font-size: 32px; color: var(--text-muted); }
.motif-row { display: flex; justify-content: center; gap: 18px; margin-top: 34px; opacity: .55; }
.motif { width: 16px; height: 16px; }

.story { padding: 40px 0 84px; text-align: center; animation: riseIn .8s ease both; }
.story h2 { font-size: 26px; margin-bottom: 16px; }
.story p { max-width: 560px; margin: 0 auto; }

.story-accordion {
  max-width: 560px; margin: 34px auto 0; text-align: left;
  border: 1px solid var(--border); border-radius: 16px; background: var(--panel); overflow: hidden;
}
.accordion-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: transparent; border: none; padding: 20px 22px; cursor: pointer; text-align: left;
  transition: background .3s ease;
}
.accordion-toggle:hover { background: var(--panel-2); }
.accordion-toggle-text {
  font-family: 'Oswald', sans-serif; font-size: 14px; letter-spacing: .02em;
  text-transform: none; color: var(--text); line-height: 1.4;
}
.accordion-chevron {
  flex-shrink: 0; width: 20px; height: 20px; color: var(--text-muted);
  transition: transform .35s ease; display: flex; align-items: center; justify-content: center;
}
.accordion-chevron svg { width: 18px; height: 18px; }
.accordion-chevron.open { transform: rotate(180deg); }
.accordion-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s ease; }
.accordion-body.open { grid-template-rows: 1fr; }
.accordion-body-inner { overflow: hidden; min-height: 0; border-top: 1px solid var(--border); }
.accordion-body-inner p { padding: 20px 22px 24px; font-size: 14.5px; line-height: 1.75; max-width: none; margin: 0; }

.about-feature { padding: 0 0 100px; animation: riseIn .9s ease both; }
.feature-frame {
  max-width: 620px; margin: 0 auto; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--border); background: var(--panel);
}
.feature-frame img { width: 100%; display: block; }

/* order */
.order-hero { padding: 88px 0 44px; text-align: center; animation: riseIn .7s ease both; }
.order-hero h1 { font-size: clamp(38px, 6vw, 62px); }
.order-lede { max-width: 560px; margin: 22px auto 0; font-size: 17px; }

.gallery-section { padding: 8px 0 92px; animation: riseIn .8s ease both; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; } }
.gallery-frame {
  aspect-ratio: 1 / 1; border-radius: 18px; overflow: hidden;
  background: var(--panel); border: 1px solid var(--border);
  transition: transform .4s ease, border-color .4s ease;
}
.gallery-frame:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.gallery-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

.picker { padding: 16px 0 76px; text-align: center; animation: riseIn .9s ease both; }
.picker h2 { font-size: 28px; }
.picker-sub { max-width: 480px; margin: 14px auto 0; font-size: 15px; }
.picker-hint { margin-top: 10px; font-size: 15px; }
.shape-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
@media (max-width: 820px) { .shape-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; } }

.shape-card {
  position: relative; width: 100%; display: flex; flex-direction: column;
  align-items: center; gap: 16px; padding: 36px 22px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 20px;
  cursor: pointer; text-align: center;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, opacity .35s ease, background .35s ease;
}
.shape-card:hover:not(:disabled) { transform: translateY(-6px); border-color: var(--border-strong); }
.shape-card:disabled { opacity: .38; cursor: not-allowed; transform: none; }
.shape-card.triangle.selected { border-color: var(--red); box-shadow: 0 0 0 1px var(--red), 0 20px 40px -20px var(--red); background: var(--red-soft); }
.shape-card.circle.selected { border-color: var(--yellow); box-shadow: 0 0 0 1px var(--yellow), 0 20px 40px -20px var(--yellow); background: var(--yellow-soft); }
.shape-card.square.selected { border-color: var(--green); box-shadow: 0 0 0 1px var(--green), 0 20px 40px -20px var(--green); background: var(--green-soft); }

.shape-icon { width: 52px; height: 52px; }
.shape-name { font-family: 'Oswald', sans-serif; font-size: 16px; letter-spacing: .04em; text-transform: uppercase; color: var(--text); }
.shape-value { font-size: 14px; color: var(--text-muted); }

.check-badge {
  position: absolute; top: 14px; right: 14px; width: 22px; height: 22px;
  border-radius: 50%; background: var(--text); display: flex; align-items: center;
  justify-content: center; animation: pop .3s ease;
}
.check-badge svg { width: 12px; height: 12px; }
.count-badge {
  position: absolute; top: 14px; right: 14px; min-width: 30px; height: 22px; padding: 0 8px;
  border-radius: 999px; background: var(--text); color: #0d0d0e; display: flex; align-items: center;
  justify-content: center; font-family: 'Oswald', sans-serif; font-size: 11px; font-weight: 700;
  letter-spacing: .02em; animation: pop .3s ease;
}

.combo { padding: 0 0 110px; text-align: center; }
.combo-slots { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 8px; }
.combo-slot {
  width: 104px; height: 104px; border-radius: 18px;
  border: 1.5px dashed var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .4s ease, box-shadow .4s ease, background .4s ease;
}
.combo-slot.filled { border-style: solid; }
.combo-slot.filled.triangle { border-color: var(--red); box-shadow: 0 12px 28px -14px var(--red); background: var(--red-soft); }
.combo-slot.filled.circle { border-color: var(--yellow); box-shadow: 0 12px 28px -14px var(--yellow); background: var(--yellow-soft); }
.combo-slot.filled.square { border-color: var(--green); box-shadow: 0 12px 28px -14px var(--green); background: var(--green-soft); }
.combo-plus { font-family: 'Oswald', sans-serif; font-size: 22px; color: var(--text-faint); }
.combo-icon { width: 44px; height: 44px; }

.combo-caption { margin-top: 30px; display: flex; flex-direction: column; gap: 6px; animation: riseIn .5s ease both; }
.combo-values { font-family: 'Oswald', sans-serif; letter-spacing: .06em; text-transform: uppercase; font-size: 15px; color: var(--text); }
.combo-note { font-family: 'Caveat', cursive; font-size: 26px; color: var(--text-muted); }

.reset-btn {
  margin-top: 26px; background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); padding: 9px 20px; border-radius: 999px;
  font-size: 13px; letter-spacing: .03em; cursor: pointer;
  transition: border-color .3s ease, color .3s ease;
}
.reset-btn:hover { border-color: var(--border-strong); color: var(--text); }

.checkout-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.checkout-btn {
  margin-top: 26px; background: var(--highlight); color: #0d0d0e; border: none;
  border-radius: 999px; padding: 13px 26px; font-family: 'Oswald', sans-serif;
  letter-spacing: .05em; text-transform: uppercase; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: transform .3s ease, opacity .3s ease;
}
.checkout-btn:hover { transform: translateY(-2px); }

/* price */
.price-row { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 30px; flex-wrap: wrap; animation: riseIn .75s ease both; }
.price-tag { font-family: 'Oswald', sans-serif; font-size: 16px; letter-spacing: .03em; color: var(--text); background: var(--panel-2); border: 1px solid var(--border); padding: 11px 22px; border-radius: 999px; }
.price-tag strong { color: var(--highlight); font-weight: 600; }
.limited-pill { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); border: 1px solid var(--border); padding: 12px 18px; border-radius: 999px; }

/* quality */
.quality { padding: 12px 0 96px; animation: riseIn .8s ease both; }
.quality-head { text-align: center; max-width: 620px; margin: 0 auto 44px; }
.quality-head h2 { font-size: 30px; }
.quality-head p { margin-top: 14px; font-size: 16px; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 820px) { .quality-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } }
.quality-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 32px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.quality-icon { width: 42px; height: 42px; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--border-strong); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.quality-icon svg { width: 18px; height: 18px; }
.quality-card h3 { font-size: 15px; letter-spacing: .03em; }
.quality-card p { font-size: 14px; }

/* limited numbering */
.numbered { padding: 12px 0 96px; animation: riseIn .85s ease both; }
.numbered-inner { display: flex; align-items: center; gap: 48px; flex-wrap: wrap; justify-content: center; }
.numbered-copy { max-width: 440px; text-align: left; }
@media (max-width: 760px) { .numbered-copy { text-align: center; } }
.numbered-copy h2 { font-size: 28px; margin-bottom: 14px; }
.numbered-copy p { font-size: 15px; }
.tag-mock {
  width: 156px; height: 196px; flex-shrink: 0; background: var(--panel);
  border: 1.5px dashed var(--border-strong); border-radius: 14px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
}
.tag-mock .tag-num { font-family: 'Oswald', sans-serif; font-size: 26px; letter-spacing: .04em; color: var(--text); }
.tag-mock .tag-cap { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); }

/* checkout */
.checkout { padding: 64px 0 100px; animation: riseIn .5s ease both; }
.checkout-head { display: flex; align-items: center; gap: 16px; margin-bottom: 40px; }
.back-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; cursor: pointer; transition: border-color .3s ease, color .3s ease; flex-shrink: 0;
}
.back-btn:hover { border-color: var(--border-strong); color: var(--text); }
.back-btn svg { width: 16px; height: 16px; }
.checkout-head h1 { font-size: 24px; }

.checkout-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
@media (max-width: 860px) { .checkout-grid { grid-template-columns: 1fr; } }

.checkout-form { display: flex; flex-direction: column; gap: 34px; }
.form-section h2 { font-size: 14px; letter-spacing: .08em; margin-bottom: 16px; color: var(--text-muted); font-weight: 600; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 480px) { .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-faint); }
.field input {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font-family: 'Jost', sans-serif; font-size: 14px;
  transition: border-color .3s ease, background .3s ease; width: 100%;
}
.field input::placeholder { color: var(--text-faint); }
.field input:focus { outline: none; border-color: var(--border-strong); background: var(--panel-2); }

.order-summary {
  background: var(--panel); border: 1px solid var(--border); border-radius: 20px;
  padding: 28px 24px; display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 96px;
}
.summary-item { display: flex; align-items: center; gap: 14px; }
.summary-icons { display: flex; align-items: center; gap: 6px; }
.summary-icons .combo-icon { width: 28px; height: 28px; }
.summary-info { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.summary-name { font-family: 'Oswald', sans-serif; font-size: 14px; letter-spacing: .03em; color: var(--text); }
.summary-combo { font-size: 13px; color: var(--text-muted); }
.summary-divider { height: 1px; background: var(--border); }
.summary-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--text-muted); }
.summary-row.total { color: var(--text); font-family: 'Oswald', sans-serif; letter-spacing: .03em; font-size: 16px; }
.checkout-note { font-size: 12px; color: var(--text-faint); line-height: 1.5; }
.place-order-btn {
  background: var(--highlight); color: #0d0d0e; border: none; border-radius: 999px;
  padding: 15px 20px; font-family: 'Oswald', sans-serif; letter-spacing: .05em; text-transform: uppercase;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: transform .3s ease;
}
.place-order-btn:hover { transform: translateY(-2px); }

/* confirmation */
.confirm { padding: 110px 0 130px; text-align: center; animation: riseIn .6s ease both; }
.confirm-badge {
  width: 64px; height: 64px; border-radius: 50%; background: var(--highlight);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 28px; animation: pop .4s ease;
}
.confirm-badge svg { width: 26px; height: 26px; }
.confirm h1 { font-size: 32px; }
.confirm p { max-width: 480px; margin: 18px auto 0; font-size: 16px; }
.confirm .summary-icons { justify-content: center; margin: 34px 0 10px; }
.confirm .combo-icon { width: 32px; height: 32px; }
.confirm-combo-label { font-family: 'Oswald', sans-serif; font-size: 14px; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 36px; }
.continue-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  padding: 12px 26px; border-radius: 999px; font-size: 13px; letter-spacing: .03em;
  cursor: pointer; transition: border-color .3s ease, color .3s ease;
}
.continue-btn:hover { border-color: var(--border-strong); color: var(--text); }

/* footer */
.site-footer { margin-top: auto; padding: 56px 0 44px; text-align: center; border-top: 1px solid var(--border); }
.footer-logo { width: 180px; height: auto; opacity: .85; }
.footer-meta { margin-top: 14px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); }