/* DECOLA Phase 1 — PPT-aligned (fuse-beads introduction deck) */
:root {
  --ink: #111111;
  --ink-soft: #3c4041;
  --muted: #73716b;
  --line: #d0cbc4;
  --bg: #f7f5f1;
  --paper: #f5f3ef;
  --white: #ffffff;
  --accent: #ab7040;
  --accent-strong: #c38a42;
  --accent-hover: #8f5a32;
  --accent-soft: #f1e6d8;
  --teal: #45d2d1;
  --teal-soft: #e5f8f8;
  --charcoal: #17191a;
  --concept: #74726d;
  --radius: 8px;
  --shadow: 0 10px 30px rgba(17,17,17,.06);
  --max: 1120px;
  --font: Arial, "Helvetica Neue", Helvetica, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Arial Black", "Arial Bold", "Helvetica Neue", Arial, sans-serif;
  --studio: #121415;
  --studio-2: #1d2022;
  --frame: #2b2f31;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 100; background: #fff; padding: .5rem 1rem; }

.site-header {
  background: rgba(245,243,239,.96);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 0;
}
.logo {
  font-weight: 700; letter-spacing: .14em; font-size: 1.05rem;
  color: var(--ink); text-decoration: none;
}
.logo span { color: var(--accent-strong); }
.section-nav {
  display: none;
}
@media (min-width: 980px) {
  .section-nav {
    display: flex; gap: .85rem; font-size: .72rem; letter-spacing: .08em;
    text-transform: uppercase; color: var(--muted);
  }
  .section-nav a { color: var(--muted); text-decoration: none; }
  .section-nav a:hover, .section-nav a[aria-current="page"] { color: var(--accent); }
}
.nav { display: flex; flex-wrap: wrap; gap: .15rem .85rem; align-items: center; }
.nav a {
  color: var(--ink-soft); text-decoration: none; font-size: .9rem; font-weight: 500;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }
.nav .cta {
  background: var(--ink); color: #fff !important;
  padding: .45rem .9rem; border-radius: 999px; text-decoration: none;
}
.nav .cta:hover { background: var(--accent); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 8px; padding: .4rem .65rem; cursor: pointer;
}

.hero {
  padding: 3.75rem 0 2.75rem;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(195,138,66,.16), transparent 60%),
    radial-gradient(700px 320px at 0% 100%, rgba(69,210,209,.08), transparent 55%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1.2fr .8fr; align-items: center;
}
.eyebrow {
  display: inline-block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: .75rem;
}
.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.08;
  margin: 0 0 1rem; letter-spacing: -.03em; max-width: 14ch;
}
.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 38rem; margin: 0 0 1.5rem; }
.zh-sub { color: var(--muted); font-size: .98rem; margin: -.6rem 0 1.25rem; max-width: 36rem; }
.pill-row { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.5rem; }
.pill {
  border: 1px solid var(--line); background: var(--white);
  border-radius: 999px; padding: .35rem .75rem; font-size: .8rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); font-weight: 650;
}
.pill strong { color: var(--accent); margin-right: .35rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .72rem 1.2rem; border-radius: 999px; font-weight: 650;
  text-decoration: none; border: 1px solid transparent; font-size: .95rem;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.section { padding: 3.25rem 0; }
.section-alt { background: var(--paper); border-block: 1px solid var(--line); }
.section-dark {
  background: var(--charcoal); color: #e8e6e1; border-block: 1px solid #2a2e30;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .sub, .section-dark p { color: #b9b6af; }
.section-dark a { color: var(--teal); }
.section h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 0 0 .5rem; letter-spacing: -.02em;
}
.section .sub { color: var(--muted); margin: 0 0 1.75rem; max-width: 42rem; }
.kicker {
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-strong); font-weight: 700; margin-bottom: .5rem;
}

.proof {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: -1.75rem;
  position: relative; z-index: 2;
}
.proof-item {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; box-shadow: var(--shadow); font-size: .92rem;
}
.proof-item strong {
  display: block; color: var(--accent); margin-bottom: .25rem;
  font-size: .78rem; letter-spacing: .06em; text-transform: uppercase;
}

.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }
.grid-3 { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: 1.25rem; grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.card-media {
  aspect-ratio: 4/3; background: linear-gradient(145deg, #efece6, #e8e0d4);
  display: grid; place-items: center; position: relative; color: var(--ink-soft);
  font-size: .85rem; text-align: center; padding: 0; overflow: hidden;
}
.card-media.concept::after {
  content: "Concept / illustrative";
  position: absolute; left: .6rem; bottom: .6rem;
  background: rgba(255,255,255,.9); color: var(--concept);
  font-size: .68rem; letter-spacing: .04em; text-transform: uppercase;
  padding: .2rem .45rem; border-radius: 4px; border: 1px solid var(--line);
}
.card-media img, .card-media picture { width:100%; height:100%; object-fit:cover; }
.card-body { padding: 1.15rem 1.2rem 1.35rem; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { margin: 0 0 .45rem; font-size: 1.08rem; }
.card-body p { margin: 0 0 1rem; color: var(--ink-soft); font-size: .95rem; flex: 1; }
.card-body .link { font-weight: 650; text-decoration: none; }
.meta-row {
  display: flex; flex-wrap: wrap; gap: .4rem .75rem; margin: 0 0 .85rem;
  font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.meta-row span { border: 1px solid var(--line); border-radius: 999px; padding: .15rem .5rem; background: var(--bg); }

.steps { display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); }
.step {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem; position: relative;
}
.step .n {
  width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent-soft);
  color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: .9rem;
  margin-bottom: .75rem;
}
.step h3 { margin: 0 0 .2rem; font-size: 1rem; letter-spacing: .04em; }
.step .zh { margin: 0 0 .45rem; color: var(--muted); font-size: .85rem; }
.step p { margin: 0; color: var(--muted); font-size: .9rem; }

.faq details {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1.1rem; margin-bottom: .65rem;
}
.faq summary { cursor: pointer; font-weight: 650; }
.faq details p { margin: .65rem 0 0; color: var(--ink-soft); }

.note, .callout {
  background: var(--accent-soft); border: 1px solid #e2d0b8; border-radius: var(--radius);
  padding: 1rem 1.15rem; color: var(--ink-soft); font-size: .95rem;
}
.callout-teal { background: var(--teal-soft); border-color: #b7e8e7; }
.callout-warm { background: #f6ebe0; border-color: #e5d0b8; }
.badge {
  display: inline-block; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  background: var(--accent-soft); color: #8a5430; padding: .2rem .5rem; border-radius: 4px;
  font-weight: 700;
}

.table-wrap { overflow-x: auto; }
table {
  width: 100%; border-collapse: collapse; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
th, td { text-align: left; padding: .75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #efece6; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.form {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow); max-width: 40rem;
}
.form label { display: block; font-weight: 650; font-size: .9rem; margin: 0 0 .35rem; }
.form .field { margin-bottom: 1rem; }
.form input, .form select, .form textarea {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff; color: var(--ink);
}
.form textarea { min-height: 120px; resize: vertical; }
.form .hint { font-size: .85rem; color: var(--muted); margin-top: .35rem; }
.form .actions { margin-top: 1.25rem; }

.page-hero {
  padding: 2.5rem 0 1.75rem; background: var(--paper); border-bottom: 1px solid var(--line);
}
.page-hero h1 { margin: 0 0 .5rem; font-size: clamp(1.7rem, 3vw, 2.4rem); letter-spacing: -.02em; }
.page-hero p { margin: 0; color: var(--ink-soft); max-width: 44rem; }

.prose { max-width: 46rem; }
.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin-bottom: .45rem; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.site-footer {
  background: var(--charcoal); color: #d8ddd9; padding: 2.75rem 0 2rem; margin-top: 2rem;
}
.site-footer a { color: #e6c9a4; }
.footer-grid {
  display: grid; gap: 1.5rem; grid-template-columns: 1.4fr 1fr 1fr; margin-bottom: 2rem;
}
.site-footer h3 { color: #fff; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 .75rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; }
.site-footer .entity { font-size: .9rem; line-height: 1.55; }
.footer-bottom {
  border-top: 1px solid #2f3436; padding-top: 1.1rem;
  display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; justify-content: space-between;
  font-size: .85rem; color: #9aa39d;
}
.tm-note { font-size: .8rem; color: #9aa39d; max-width: 46rem; }

.placeholder-art {
  width: 100%; height: 100%; min-height: 180px;
  display: grid; place-items: center; text-align: center; padding: 1.25rem;
  background:
    linear-gradient(135deg, rgba(171,112,64,.1), rgba(69,210,209,.08)),
    repeating-linear-gradient(45deg, transparent, transparent 8px, rgba(0,0,0,.015) 8px, rgba(0,0,0,.015) 16px);
}
.placeholder-art strong { display: block; color: var(--accent); margin-bottom: .25rem; }

.flow {
  display: flex; flex-wrap: wrap; gap: .5rem; align-items: center;
  font-size: .9rem; letter-spacing: .04em; color: var(--ink-soft); margin: 1rem 0 0;
}
.flow b { color: var(--ink); }
.flow .sep { color: var(--accent-strong); }

.roadmap {
  display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); margin-top: 1.25rem;
}
.roadmap .item {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem;
}
.roadmap .item .n { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
.roadmap .item h3 { margin: .35rem 0; font-size: 1rem; }
.roadmap .item p { margin: 0; color: var(--muted); font-size: .88rem; }

@media (max-width: 900px) {
  .hero-grid, .grid-4, .steps, .proof, .footer-grid, .roadmap { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none; width: 100%; flex-direction: column; align-items: flex-start;
    padding: .5rem 0 1rem;
  }
  .nav.open { display: flex; }
  .header-inner { flex-wrap: wrap; }
  .hero-grid, .grid-2, .grid-3, .grid-4, .steps, .proof, .footer-grid, .roadmap { grid-template-columns: 1fr; }
  .hero { padding-top: 2.25rem; }
  .hero h1 { max-width: none; }
}

/* ===== PPT visual language (extracted from the product introduction deck) =====
   Dark studio stage (#111/#121415) + warm paper (#f5f3ef), copper accent (#c38a42),
   teal active marker (#45d2d1), heavy uppercase display type, thin ruled frames,
   indexed captions ("01 / TITLE"), studio product photography on dark walls. */
h1, .section h2, .page-hero h1 { font-family: var(--display); font-weight: 900; text-transform: uppercase; letter-spacing: -.01em; }
.section h2 { line-height: 1.08; }
.site-header { background: rgba(17,17,17,.96); border-bottom: 1px solid #2a2e30; }
.logo { color: #fff; }
.nav a { color: #c9c7c1; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--teal); }
.nav .cta { background: var(--accent-strong); color: #111 !important; }
.nav .cta:hover { background: #fff; }
.nav-toggle { color: #fff; border-color: #3c4041; }
.section-nav { display: none !important; }
@media (min-width: 1240px) {
  .section-nav { display: flex !important; }
  .section-nav a { white-space: nowrap; }
}
@media (min-width: 721px) { .nav { flex-wrap: nowrap; } .nav a { white-space: nowrap; } }
@media (min-width: 980px) {
  .section-nav a { color: #8d8b85; }
  .section-nav a:hover, .section-nav a[aria-current="page"] { color: #fff; }
  .section-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--teal); padding-bottom: .15rem; }
}

.hero-dark {
  background:
    radial-gradient(700px 520px at 78% 40%, rgba(69,210,209,.10), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(195,138,66,.10), transparent 60%),
    #111111;
  color: #f2f0eb; border-bottom: 1px solid #2a2e30; padding: 4.5rem 0 4rem;
}
.hero-dark h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 13ch; }
.hero-dark .lead { color: #c9c7c1; }
.hero-dark .eyebrow { color: var(--teal); }
.hero-dark .pill { background: transparent; border-color: #3c4041; color: #d9dadb; }
.hero-dark .pill strong { color: var(--teal); }
.hero-dark .btn-primary { background: var(--accent-strong); color: #111; }
.hero-dark .btn-primary:hover { background: #fff; color: #111; }
.hero-dark .btn-ghost { color: #eee; border-color: #3c4041; }
.hero-dark .btn-ghost:hover { color: var(--teal); border-color: var(--teal); }
.hero-visual { display: grid; place-items: center; }
.hero-visual img { max-height: 560px; width: auto; mix-blend-mode: lighten; -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, #000 78%, transparent 100%); mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, #000 78%, transparent 100%); }

.page-hero { border-bottom: 1px solid var(--line); }
.page-hero .eyebrow::before, .kicker::before {
  content: ""; display: inline-block; width: 1.6rem; height: 2px; background: var(--teal);
  vertical-align: middle; margin-right: .55rem;
}
.page-hero-dark { background: #111; color: #f2f0eb; }
.page-hero-dark h1 { color: #fff; }
.page-hero-dark p { color: #c9c7c1; }
.page-hero-dark .eyebrow { color: var(--teal); }

/* Frames: product shot sits in a ruled box like the deck's image panels */
picture { display: block; }
.ppt-fig .ppt-frame picture, .quad-cell .ppt-frame picture, .ppt-mosaic .ppt-frame picture, .card-media picture { width: 100%; height: 100%; }
.ppt-frame {
  position: relative; overflow: hidden; border-radius: 2px;
  background: var(--studio); border: 1px solid var(--frame);
}
.ppt-frame img { width: 100%; height: 100%; object-fit: cover; }
.ppt-frame-paper { background: var(--paper); border: 1px solid var(--ink); padding: clamp(.75rem, 2vw, 1.5rem); }
.ppt-frame-paper img { object-fit: contain; }
.ppt-frame-studio { background: #fbfaf8; border: 1px solid var(--ink); padding: clamp(.75rem, 2.4vw, 2rem); }
.ppt-frame-studio img { object-fit: contain; max-height: 620px; }
.ppt-frame-dark { background: var(--studio); padding: 1rem; }
.ppt-frame-dark img { object-fit: contain; }
.tall-visual img { max-height: 620px; }
.align-center { align-items: center; }

.card-media.ppt-media { background: var(--studio); aspect-ratio: 1 / 1; }
.card-media.ppt-media img { transition: transform .5s ease; }
.card:hover .card-media.ppt-media img { transform: scale(1.03); }

/* Indexed caption: "01 / THE WHITE CAT" */
.ppt-idx {
  display: block; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent-strong); font-weight: 700; margin-bottom: .3rem;
}
.ppt-gallery { display: grid; gap: 1.25rem; }
.ppt-gallery.cols-3 { grid-template-columns: repeat(3, 1fr); }
.ppt-gallery.cols-4 { grid-template-columns: repeat(4, 1fr); }
.ppt-fig { margin: 0; background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; }
.ppt-fig .ppt-frame { aspect-ratio: 1 / 1; border: 0; border-bottom: 1px solid var(--line); }
.ppt-fig figcaption { padding: .85rem 1rem 1.1rem; }
.ppt-fig figcaption strong { display: block; font-size: .98rem; text-transform: uppercase; letter-spacing: .03em; }
.ppt-fig figcaption p { margin: .35rem 0 0; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.process-strip .ppt-fig .ppt-frame { aspect-ratio: 1 / 1; }

/* Seasonal 2x2 board (deck slides 18-19) */
.ppt-quad { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.quad-cell { display: grid; grid-template-columns: 44% 1fr; background: var(--white); border: 1px solid var(--ink); }
.quad-cell .ppt-frame { aspect-ratio: 1 / 1; border: 0; }
.quad-text { padding: 1.1rem 1.2rem; align-self: center; }
.quad-text .ppt-idx { font-size: .8rem; color: var(--ink); }
.quad-text p { margin: 0; color: var(--ink-soft); font-size: .93rem; }

.ppt-mosaic { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; background: #111; padding: .5rem; border-radius: 2px; }
.ppt-mosaic .ppt-frame { aspect-ratio: 1 / 1; border-color: #222; }

.spec-table { margin: 0 0 1.5rem; border: 1px solid var(--ink); border-radius: 0; }
.spec-table th { width: 38%; background: transparent; color: var(--ink); font-weight: 700; font-size: .78rem; }
.spec-table td { color: var(--muted); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }
.spec-table th, .spec-table td { border-bottom: 1px solid var(--ink); }

.card-dark { background: #111; border-color: #2a2e30; color: #e8e6e1; }
.card-dark .ppt-idx { color: var(--teal); font-size: .78rem; }
.card-dark p { color: #b9b6af; }

@media (max-width: 900px) {
  .ppt-gallery.cols-3, .ppt-gallery.cols-4 { grid-template-columns: 1fr 1fr; }
  .ppt-quad { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav { background: #111; }
  .hero-visual img { max-height: 380px; }
}
@media (max-width: 480px) {
  .ppt-gallery.cols-3, .ppt-gallery.cols-4 { grid-template-columns: 1fr; }
  .quad-cell { grid-template-columns: 1fr; }
}