/* ==========================================================================
   COLORUM — Advertisement & Branding Solution
   Design system. Palette derived directly from the COLORUM logo.
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */
:root {
  /* Brand spectrum — sampled from the logo artwork */
  --c-blue:   #0082C6;
  --c-purple: #A53692;
  --c-amber:  #FDB92E;
  --c-cyan:   #00AFEF;
  --c-green:  #A8CF45;
  --c-pink:   #EC268F;
  --c-orange: #F58634;
  --c-red:    #ED3237;

  /* Neutrals */
  --ink:        #0C0C0F;
  --ink-2:      #16161A;
  --ink-3:      #1F1F25;
  --ink-line:   #2B2B33;
  --paper:      #FBFBFB;
  --paper-2:    #F2F2F0;
  --paper-line: #E2E2DE;
  --text:       #16161A;
  --text-soft:  #55555F;
  --text-inv:   #FBFBFB;
  --text-inv-soft: rgba(251, 251, 251, .72);

  /* Surface tokens — every component reads these instead of hard-coding a
     colour, so a component is legible on whichever surface it lands on. */
  --on-surface:      var(--text);
  --on-surface-soft: var(--text-soft);

  /* Type */
  --font-display: "Archivo", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  --step--1: clamp(.82rem, .80rem + .10vw, .88rem);
  --step-0:  clamp(1rem, .97rem + .16vw, 1.09rem);
  --step-1:  clamp(1.19rem, 1.12rem + .34vw, 1.42rem);
  --step-2:  clamp(1.48rem, 1.34rem + .70vw, 1.99rem);
  --step-3:  clamp(1.85rem, 1.60rem + 1.25vw, 2.79rem);
  --step-4:  clamp(2.31rem, 1.88rem + 2.11vw, 3.90rem);
  --step-5:  clamp(2.42rem, 1.72rem + 3.50vw, 5.30rem);

  /* Space */
  --sp-1: .5rem;  --sp-2: .875rem; --sp-3: 1.25rem; --sp-4: 2rem;
  --sp-5: 3rem;   --sp-6: 4.5rem;  --sp-7: 6.5rem;  --sp-8: 9rem;

  --wrap: 1280px;
  --wrap-narrow: 800px;
  --radius: 4px;
  --radius-lg: 8px;

  --shadow-1: 0 1px 2px rgba(12,12,15,.06), 0 4px 14px rgba(12,12,15,.05);
  --shadow-2: 0 2px 6px rgba(12,12,15,.08), 0 18px 44px rgba(12,12,15,.12);

  --ease: cubic-bezier(.16,.84,.44,1);
  --dur: .45s;
  --header-h: 78px;
}

/* --- 2. Reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.022em;
  margin: 0 0 var(--sp-3);
  text-wrap: balance;
}
h1 { font-size: var(--step-5); font-weight: 900; letter-spacing: -.032em; }
h2 { font-size: var(--step-4); font-weight: 900; letter-spacing: -.028em; }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }
p  { margin: 0 0 var(--sp-3); text-wrap: pretty; }
ul, ol { margin: 0 0 var(--sp-3); padding-left: 1.15em; }
li { margin-bottom: .4em; }
strong { font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--paper-line); margin: var(--sp-5) 0; }
::selection { background: var(--c-amber); color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: var(--text-inv); padding: .8rem 1.2rem; font-weight: 600;
}
.skip:focus { left: 8px; top: 8px; }

/* --- 2b. Surfaces -------------------------------------------------------
   Everything dark declares its inverted text tokens once, here. Light cards
   nested inside a dark section reset them back. */
.section--ink, .hero, .pagehero, .cta-band,
.card--ink, .contact-card, .tile, .circle-item, .photo-slot, .footer {
  --on-surface: var(--text-inv);
  --on-surface-soft: var(--text-inv-soft);
  color: var(--on-surface);
}
.card:not(.card--ink), .callout, .chain, .acc, .form,
.section:not(.section--ink) > .wrap > .grid > .card:not(.card--ink) {
  --on-surface: var(--text);
  --on-surface-soft: var(--text-soft);
}

/* --- 3. Layout ---------------------------------------------------------- */
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.5rem, var(--wrap-narrow)); margin-inline: auto; }
.section { padding-block: var(--sp-7); position: relative; }
.section--tight { padding-block: var(--sp-6); }
.section--ink { background: var(--ink); color: var(--text-inv); }
.section--ink h1, .section--ink h2, .section--ink h3, .section--ink h4 { color: var(--text-inv); }
.section--ink > .wrap > p, .section--ink .measure, .section--ink .measure-tight { color: var(--on-surface-soft); }
.section--alt { background: var(--paper-2); }

.grid { display: grid; gap: var(--sp-4); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 225px), 1fr)); }
.split {
  display: grid; gap: var(--sp-6);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}
.split--form { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 980px) { .split--form { grid-template-columns: 1fr; gap: var(--sp-5); } }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: var(--sp-5); } }

.stack > * + * { margin-top: var(--sp-3); }
.center { text-align: center; }
.measure { max-width: 62ch; }
.measure-tight { max-width: 52ch; }

/* --- 4. Signature device: the spectrum rule ----------------------------- */
.spectrum {
  display: flex; height: 6px; width: 100%; overflow: hidden;
  border-radius: 1px;
}
.spectrum i { flex: 1; }
.spectrum i:nth-child(1) { background: var(--c-blue); }
.spectrum i:nth-child(2) { background: var(--c-purple); }
.spectrum i:nth-child(3) { background: var(--c-amber); }
.spectrum i:nth-child(4) { background: var(--c-cyan); }
.spectrum i:nth-child(5) { background: var(--c-green); }
.spectrum i:nth-child(6) { background: var(--c-pink); }
.spectrum i:nth-child(7) { background: var(--c-orange); }
.spectrum--thin { height: 4px; }
.spectrum--tall { height: 10px; }
.spectrum--short { width: 132px; }

/* --- 5. Eyebrow / section heads ----------------------------------------- */
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--on-surface-soft);
  display: flex; align-items: center; gap: .7rem;
  margin: 0 0 var(--sp-2);
}
.eyebrow::before {
  content: ""; width: 26px; height: 6px; flex: none; border-radius: 1px;
  background: linear-gradient(90deg, var(--c-blue) 0 14%, var(--c-purple) 14% 28%,
    var(--c-amber) 28% 42%, var(--c-cyan) 42% 57%, var(--c-green) 57% 71%,
    var(--c-pink) 71% 85%, var(--c-orange) 85% 100%);
}
.eyebrow--center { justify-content: center; }

.section-head { max-width: 68ch; margin-bottom: var(--sp-5); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head p { font-size: var(--step-1); color: var(--on-surface-soft); margin-bottom: 0; }

/* --- 6. Buttons --------------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  display: inline-flex; align-items: center; gap: .6rem;
  background: var(--btn-bg); color: var(--btn-fg);
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-0);
  letter-spacing: -.01em;
  padding: .92rem 1.6rem; border: 2px solid var(--btn-bg); border-radius: var(--radius);
  cursor: pointer; position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn span { position: relative; z-index: 1; }
.btn::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 4px;
  background: linear-gradient(90deg, var(--c-blue), var(--c-purple), var(--c-amber),
    var(--c-cyan), var(--c-green), var(--c-pink), var(--c-orange));
  transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:hover::after { transform: scaleX(1); }
/* light-background ghost */
.btn.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--ink); }
.btn.btn--ghost:hover { --btn-bg: var(--ink); --btn-fg: var(--paper); border-color: var(--ink); }

/* any dark surface: solid buttons invert */
.section--ink .btn, .hero .btn, .pagehero .btn, .cta-band .btn {
  --btn-bg: var(--paper); --btn-fg: var(--ink); border-color: var(--paper);
}
/* ...and ghost buttons on dark surfaces (declared last so they win) */
.btn.btn--ghost-inv,
.section--ink .btn.btn--ghost, .hero .btn.btn--ghost,
.pagehero .btn.btn--ghost, .cta-band .btn.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--paper); border-color: rgba(251, 251, 251, .45);
}
.btn.btn--ghost-inv:hover,
.section--ink .btn.btn--ghost:hover, .hero .btn.btn--ghost:hover,
.pagehero .btn.btn--ghost:hover, .cta-band .btn.btn--ghost:hover {
  --btn-bg: var(--paper); --btn-fg: var(--ink); border-color: var(--paper);
}
.section--ink .btn:not(.btn--ghost) { --btn-bg: var(--paper); --btn-fg: var(--ink); }
.btn--lg { padding: 1.1rem 2rem; font-size: var(--step-1); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }

.link-arrow {
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-0);
  display: inline-flex; align-items: center; gap: .45rem;
  border-bottom: 2px solid currentColor; padding-bottom: 2px;
  transition: gap var(--dur) var(--ease), color var(--dur) var(--ease);
}
.link-arrow:hover { gap: .85rem; }

/* --- 7. Header ---------------------------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,251,251,.86);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--paper-line);
  transition: box-shadow var(--dur) var(--ease);
}
.header.is-stuck { box-shadow: 0 6px 24px rgba(12,12,15,.09); }
.header__spectrum { display: flex; height: 4px; }
.header__spectrum i { flex: 1; }
.header__spectrum i:nth-child(1){background:var(--c-blue)} .header__spectrum i:nth-child(2){background:var(--c-purple)}
.header__spectrum i:nth-child(3){background:var(--c-amber)} .header__spectrum i:nth-child(4){background:var(--c-cyan)}
.header__spectrum i:nth-child(5){background:var(--c-green)} .header__spectrum i:nth-child(6){background:var(--c-pink)}
.header__spectrum i:nth-child(7){background:var(--c-orange)}
.header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  height: var(--header-h);
}
.brand { display: flex; align-items: center; flex: none; }
.brand img { width: 186px; height: auto; }
@media (max-width: 480px) { .brand img { width: 148px; } }

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  padding: .5rem .72rem; border-radius: var(--radius); position: relative;
  color: var(--text); white-space: nowrap;
  transition: color var(--dur) var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: .72rem; right: .72rem; bottom: .28rem; height: 3px;
  background: var(--c-pink); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease); border-radius: 2px;
}
.nav a:nth-child(2)::after { background: var(--c-blue); }
.nav a:nth-child(3)::after { background: var(--c-purple); }
.nav a:nth-child(4)::after { background: var(--c-cyan); }
.nav a:nth-child(5)::after { background: var(--c-green); }
.nav a:nth-child(6)::after { background: var(--c-orange); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.header .btn { padding: .68rem 1.15rem; font-size: .95rem; }
.header__cta { display: flex; align-items: center; gap: var(--sp-2); }
/* the in-nav CTA is for the mobile drawer only */
.nav > .btn { display: none; }

.nav-toggle {
  display: none; background: var(--ink); color: var(--paper); border: 0;
  width: 46px; height: 46px; border-radius: var(--radius); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: currentColor; position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: currentColor;
  transition: transform var(--dur) var(--ease), opacity .2s;
}
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1080px) {
  .nav-toggle { display: flex; }
  .header__cta .btn { display: none; }
  /* absolute (not fixed) — .header has a backdrop-filter, which would otherwise
     make it the containing block for a fixed-position drawer */
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    height: calc(100dvh - var(--header-h) - 4px);
    background: var(--ink); flex-direction: column; align-items: stretch;
    justify-content: flex-start; gap: 0; padding: var(--sp-4) 1.25rem var(--sp-6);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
    overflow-y: auto;
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a:not(.btn) {
    color: var(--text-inv); font-size: var(--step-2); font-weight: 800;
    padding: .55rem 0; border-bottom: 1px solid var(--ink-line);
  }
  .nav a::after { left: 0; right: auto; width: 44px; bottom: .1rem; }
  .nav a.btn {
    display: inline-flex; justify-content: center; margin-top: var(--sp-3);
    --btn-bg: var(--paper); --btn-fg: var(--ink); border-color: var(--paper);
    color: var(--ink); font-size: var(--step-0); border-bottom-width: 2px;
  }
  .nav a.btn::after { content: none; }
  body.nav-open { overflow: hidden; }
}

/* --- 8. Hero ------------------------------------------------------------ */
.hero {
  position: relative; background: var(--ink); color: var(--text-inv);
  overflow: hidden; isolation: isolate;
}
.hero__bg {
  position: absolute; inset: 0; z-index: -2;
  background-image: url("../img/hero-art.jpg");
  background-size: cover; background-position: center;
  opacity: .78;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(12,12,15,.94) 0%, rgba(12,12,15,.80) 42%, rgba(12,12,15,.42) 100%);
}
.hero__inner { padding-block: clamp(4.5rem, 3rem + 9vw, 9.5rem); position: relative; }
.hero h1 { max-width: 17ch; margin-bottom: var(--sp-4); }
.hero__lead {
  font-size: var(--step-1); color: var(--on-surface-soft);
  max-width: 56ch; margin-bottom: var(--sp-5);
}
.hero__tagline {
  font-family: var(--font-display); font-weight: 900; font-size: var(--step-1);
  letter-spacing: -.02em; color: var(--paper); margin: 0 0 var(--sp-3);
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-4);
  margin-top: var(--sp-6); padding-top: var(--sp-4);
  border-top: 1px solid rgba(251,251,251,.16);
}
.hero__meta div { min-width: 130px; }
.hero__meta b {
  display: block; font-family: var(--font-display); font-weight: 900;
  font-size: var(--step-2); letter-spacing: -.02em; color: var(--paper);
}
.hero__meta span { font-size: var(--step--1); color: var(--on-surface-soft); letter-spacing: .06em; text-transform: uppercase; }

/* Page hero (inner pages) */
.pagehero {
  position: relative; background: var(--ink); color: var(--text-inv); overflow: hidden; isolation: isolate;
}
.pagehero__bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; opacity: .62; }
.pagehero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(95deg, rgba(12,12,15,.95) 0%, rgba(12,12,15,.78) 55%, rgba(12,12,15,.5) 100%);
}
.pagehero__inner { padding-block: clamp(3.2rem, 2rem + 6vw, 6.5rem); }
.pagehero h1 { font-size: var(--step-4); max-width: 20ch; margin-bottom: var(--sp-3); }
.pagehero p { font-size: var(--step-1); color: var(--on-surface-soft); max-width: 62ch; margin: 0; }

.crumbs { font-size: var(--step--1); color: var(--on-surface-soft); margin-bottom: var(--sp-3); }
.crumbs a:hover { color: var(--paper); text-decoration: underline; }
.crumbs span { opacity: .5; margin-inline: .4rem; }

/* --- 9. Cards ----------------------------------------------------------- */
.card {
  background: var(--paper); border: 1px solid var(--paper-line); border-radius: var(--radius-lg);
  padding: var(--sp-4); position: relative; overflow: hidden; height: 100%;
  display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background: var(--accent, var(--c-blue));
  transform: scaleX(.18); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.card:hover, .card:focus-within { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.card:hover::before, .card:focus-within::before { transform: scaleX(1); }
.card h3 { font-size: var(--step-1); margin-bottom: var(--sp-2); }
.card p { color: var(--on-surface-soft); margin-bottom: var(--sp-2); }
.card > :last-child { margin-bottom: 0; margin-top: auto; padding-top: var(--sp-2); }
.card__num {
  font-family: var(--font-display); font-weight: 900; font-size: var(--step-1);
  color: var(--accent-text, var(--c-blue)); letter-spacing: -.02em; margin-bottom: var(--sp-2);
  display: block;
}
.card--ink .card__num { color: var(--accent-lite, var(--c-blue)); }
.card--ink { background: var(--ink-2); border-color: var(--ink-line); }
.card--ink h3 { color: var(--text-inv); }
.card--link:hover h3 { color: var(--accent-text, var(--accent)); }
.card--ink.card--link:hover h3 { color: var(--accent-lite, var(--accent)); }

.card-list { list-style: none; padding: 0; margin: 0; }
.card-list li {
  padding-left: 1.4rem; position: relative; font-size: var(--step--1);
  color: var(--on-surface-soft); margin-bottom: .35em;
}
.card-list li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border-radius: 1px; background: var(--accent, var(--c-blue));
}

/* --- Accent system -----------------------------------------------------
   --accent      solid fills, rules, bars (decorative — no contrast rule)
   --accent-text same hue, darkened to clear 4.5:1 on light backgrounds
   --accent-lite same hue, lifted to clear 4.5:1 on ink backgrounds
   --accent-on   the legible foreground when --accent is the background
   All values verified against WCAG AA.                                    */
.acc-1 { --accent: var(--c-blue);   --accent-text: #0078B6; --accent-lite: #0F8AC9; --accent-on: var(--ink); }
.acc-2 { --accent: var(--c-purple); --accent-text: #A53692; --accent-lite: #B962AA; --accent-on: #FFF; }
.acc-3 { --accent: var(--c-amber);  --accent-text: #936B1B; --accent-lite: #FDB92E; --accent-on: var(--ink); }
.acc-4 { --accent: var(--c-cyan);   --accent-text: #007AA7; --accent-lite: #00AFEF; --accent-on: var(--ink); }
.acc-5 { --accent: var(--c-green);  --accent-text: #617828; --accent-lite: #A8CF45; --accent-on: var(--ink); }
.acc-6 { --accent: var(--c-pink);   --accent-text: #D42281; --accent-lite: #ED2F93; --accent-on: var(--ink); }
.acc-7 { --accent: var(--c-orange); --accent-text: #AB5E24; --accent-lite: #F58634; --accent-on: var(--ink); }
.acc-8 { --accent: var(--c-red);    --accent-text: #D52D31; --accent-lite: #EE3E43; --accent-on: var(--ink); }

/* --- 10. Capability tiles ---------------------------------------------- */
.tiles {
  display: grid; gap: 2px; background: var(--ink-line); border: 1px solid var(--ink-line);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}
@media (min-width: 1024px) { .tiles { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 620px) and (max-width: 1023px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
.tile {
  background: var(--ink); padding: var(--sp-4); position: relative;
  transition: background-color var(--dur) var(--ease);
  display: block; min-height: 190px;
}
.tile::before {
  content: ""; position: absolute; left: var(--sp-4); top: var(--sp-4);
  width: 34px; height: 6px; background: var(--accent); border-radius: 1px;
  transition: width var(--dur) var(--ease);
}
.tile:hover { background: var(--ink-2); }
.tile:hover::before { width: 62px; }
.tile h3 { color: var(--text-inv); font-size: var(--step-1); margin: var(--sp-4) 0 var(--sp-2); }
.tile p { color: var(--on-surface-soft); font-size: var(--step--1); margin: 0; }

/* --- 11. Process / lifecycle ------------------------------------------- */
.chain { counter-reset: step; display: grid; gap: 1px; background: var(--paper-line); border: 1px solid var(--paper-line); border-radius: var(--radius-lg); overflow: hidden; }
.chain__row {
  background: var(--paper); display: grid; gap: var(--sp-3);
  grid-template-columns: 64px minmax(0, 1.1fr) minmax(0, 1fr);
  padding: var(--sp-3) var(--sp-4); align-items: start;
  transition: background-color var(--dur) var(--ease);
}
.chain__row:hover { background: var(--paper-2); }
.chain__n {
  counter-increment: step;
  font-family: var(--font-display); font-weight: 900; font-size: var(--step-1);
  color: var(--accent-text, var(--c-blue)); letter-spacing: -.03em;
}
.chain__n::before { content: counter(step, decimal-leading-zero); }
.chain__row h3 { margin: 0 0 .2rem; font-size: var(--step-0); }
.chain__row p { margin: 0; font-size: var(--step--1); color: var(--on-surface-soft); }
@media (max-width: 720px) {
  .chain__row { grid-template-columns: 48px 1fr; }
  .chain__row p { grid-column: 2; }
}

/* --- 12. Circle (CIRCLE philosophy) ------------------------------------ */
.circle-grid { display: grid; gap: 1px; background: rgba(251,251,251,.14); grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.circle-item { background: var(--ink); padding: var(--sp-4); position: relative; }
.circle-item b {
  font-family: var(--font-display); font-weight: 900; font-size: var(--step-3);
  color: var(--accent-lite, var(--accent)); display: block; line-height: 1; margin-bottom: var(--sp-2);
}
.circle-item h3 { color: var(--text-inv); font-size: var(--step-0); margin-bottom: .35rem; }
.circle-item p { font-size: var(--step--1); color: var(--on-surface-soft); margin: 0; }

/* --- 13. Stat / principle strips --------------------------------------- */
.principles { display: grid; gap: var(--sp-3); grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.principle {
  border-left: 5px solid var(--accent, var(--c-blue));
  padding: .2rem 0 .2rem var(--sp-3);
}
.principle h3 { font-size: var(--step-0); margin-bottom: .3rem; }
.principle p { font-size: var(--step--1); color: var(--on-surface-soft); margin: 0; }

.quote {
  font-family: var(--font-display); font-weight: 800; font-size: var(--step-3);
  letter-spacing: -.026em; line-height: 1.16; max-width: 22ch; margin: 0;
}
.quote--full { max-width: 30ch; }

/* --- 14. Media / photo slots ------------------------------------------- */
.media { border-radius: var(--radius-lg); overflow: hidden; background: var(--ink-2); }
.media img { width: 100%; }
.photo-slot {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-lg);
  background: var(--ink-2); border: 1px dashed var(--ink-line);
  display: grid; place-content: center; text-align: center; padding: var(--sp-4);
  overflow: hidden;
}
.photo-slot::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 5px;
  background: linear-gradient(90deg, var(--c-blue), var(--c-purple), var(--c-amber),
    var(--c-cyan), var(--c-green), var(--c-pink), var(--c-orange));
}
.photo-slot--filled { border-style: solid; padding: 0; display: block; aspect-ratio: auto; }
.photo-slot--filled img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: calc(var(--radius-lg) - 1px); }
.photo-slot b { font-family: var(--font-display); color: var(--paper); font-size: var(--step-0); display: block; margin-bottom: .3rem; }
.photo-slot span { color: rgba(251, 251, 251, .62); font-size: var(--step--1); }

/* --- 15. Accordion ------------------------------------------------------ */
.acc { border-top: 1px solid var(--paper-line); }
.acc details { border-bottom: 1px solid var(--paper-line); }
.acc summary {
  cursor: pointer; list-style: none; padding: var(--sp-3) 2.5rem var(--sp-3) 0;
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-1);
  position: relative; transition: color var(--dur) var(--ease);
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: ""; position: absolute; right: .35rem; top: 50%; width: 14px; height: 14px;
  border-right: 3px solid var(--accent-text, var(--c-blue)); border-bottom: 3px solid var(--accent-text, var(--c-blue));
  transform: translateY(-70%) rotate(45deg); transition: transform var(--dur) var(--ease);
}
.acc details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.acc details[open] summary { color: var(--accent-text, var(--c-blue)); }
.acc__body { padding-bottom: var(--sp-3); color: var(--on-surface-soft); max-width: 74ch; }
.acc__body ul { columns: 2; column-gap: var(--sp-4); }
@media (max-width: 640px) { .acc__body ul { columns: 1; } }

/* --- 16. CTA band ------------------------------------------------------- */
.cta-band { background: var(--ink); color: var(--text-inv); position: relative; overflow: hidden; }
.cta-band__inner { padding-block: var(--sp-7); position: relative; z-index: 1; }
.cta-band h2 { max-width: 20ch; }
.cta-band p { color: var(--on-surface-soft); font-size: var(--step-1); max-width: 54ch; }
.cta-band__blocks { position: absolute; inset: 0; display: flex; opacity: .1; }
.cta-band__blocks i { flex: 1; }
.cta-band__blocks i:nth-child(1){background:var(--c-blue)} .cta-band__blocks i:nth-child(2){background:var(--c-purple)}
.cta-band__blocks i:nth-child(3){background:var(--c-amber)} .cta-band__blocks i:nth-child(4){background:var(--c-cyan)}
.cta-band__blocks i:nth-child(5){background:var(--c-green)} .cta-band__blocks i:nth-child(6){background:var(--c-pink)}
.cta-band__blocks i:nth-child(7){background:var(--c-orange)}

/* --- 17. Forms ---------------------------------------------------------- */
.form { display: grid; gap: var(--sp-3); }
.form__row { display: grid; gap: var(--sp-3); grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-family: var(--font-display); font-weight: 700; font-size: var(--step--1); letter-spacing: .01em; }
.field .req { color: var(--c-red); }
.field .hint { font-size: .8rem; color: var(--on-surface-soft); font-weight: 400; font-family: var(--font-body); }
.field input, .field select, .field textarea {
  width: 100%; padding: .82rem .95rem; background: var(--paper);
  border: 2px solid var(--paper-line); border-radius: var(--radius);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 4px rgba(11,99,171,.14);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"], .field select[aria-invalid="true"] {
  border-color: var(--c-red); box-shadow: 0 0 0 4px rgba(251,3,3,.10);
}
.field__err { font-size: .8rem; color: var(--c-red); min-height: 1em; }
.checks { display: grid; gap: .5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); }
.check { display: flex; align-items: flex-start; gap: .55rem; font-size: var(--step--1); cursor: pointer; }
.check input { width: 18px; height: 18px; flex: none; margin-top: .2rem; accent-color: var(--c-blue); }
.form__note { font-size: .82rem; color: var(--on-surface-soft); }
.form-status { padding: var(--sp-3); border-radius: var(--radius); font-size: var(--step--1); display: none; }
.form-status.is-ok { display: block; background: rgba(147,203,19,.14); border-left: 5px solid var(--c-green); }
.form-status.is-err { display: block; background: rgba(251,3,3,.08); border-left: 5px solid var(--c-red); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- 18. Contact blocks ------------------------------------------------- */
.contact-card {
  background: var(--ink-2); color: var(--text-inv); border-radius: var(--radius-lg);
  padding: var(--sp-4); border-top: 5px solid var(--accent, var(--c-blue));
}
.contact-card h3 { color: var(--text-inv); font-size: var(--step-1); }
.contact-card p, .contact-card a { color: var(--on-surface-soft); }
.contact-card a:hover { color: var(--paper); text-decoration: underline; }
.contact-card dl { display: grid; gap: .55rem; margin: 0; }
.contact-card dt { font-family: var(--font-display); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(251, 251, 251, .62); }
.contact-card dd { margin: 0 0 .5rem; }

/* --- 19. Footer --------------------------------------------------------- */
.footer { background: var(--ink); color: var(--on-surface-soft); padding-top: var(--sp-6); }
.footer__grid {
  display: grid; gap: var(--sp-5);
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  padding-bottom: var(--sp-5);
}
.footer__brand { grid-column: 1 / -1; max-width: 560px; }
.footer h2 {
  color: var(--paper); font-size: .82rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; margin-bottom: var(--sp-3);
}
.footer__col > h2 {
  color: var(--accent-lite, var(--paper));
}
.footer__col > h2::after {
  content: ""; display: block; width: 26px; height: 4px; margin-top: .45rem;
  border-radius: 1px; background: var(--accent, var(--paper));
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: .55rem; font-size: var(--step--1); }
.footer a:hover { color: var(--paper); }
.footer__brand img { width: 210px; margin-bottom: var(--sp-3); }
.footer__brand p { font-size: var(--step--1); max-width: 40ch; }
.footer__tagline {
  font-family: var(--font-display); font-weight: 900; color: var(--paper);
  font-size: var(--step-1); letter-spacing: -.02em; margin-bottom: var(--sp-2);
}
.footer__wa li a { white-space: nowrap; }
.footer__wa .footer__sub {
  font-family: var(--font-display); font-size: .72rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-lite, rgba(251, 251, 251, .78));
  margin: .8rem 0 .25rem;
}
.footer__wa li:first-child .footer__sub { margin-top: 0; }
.footer__wa li { margin-bottom: .4rem; }
.footer__loc { list-style: none; padding: 0; margin: 0; }
.footer__loc li {
  border-left: 4px solid var(--accent, var(--c-blue));
  padding: .1rem 0 .1rem .8rem;
  margin-bottom: var(--sp-3);
}
.footer__loc b {
  display: inline-block; font-family: var(--font-display); font-size: .74rem;
  font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent-lite, var(--paper)); margin-bottom: .2rem;
}
.footer__loc li:last-child { border-left-color: transparent; padding-left: 0; }

.footer__bottom {
  border-top: 1px solid var(--ink-line); padding-block: var(--sp-3);
  display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: space-between;
  font-size: .82rem;
}
.footer__bottom nav { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* --- 20. Utilities & motion -------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .07s; } .reveal[data-d="2"] { transition-delay: .14s; }
.reveal[data-d="3"] { transition-delay: .21s; } .reveal[data-d="4"] { transition-delay: .28s; }

.pill {
  display: inline-block; font-family: var(--font-display); font-weight: 700;
  font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 100px;
  background: var(--accent, var(--c-blue)); color: var(--accent-on, #fff);
}
.pill--ghost { background: transparent; border: 2px solid currentColor; color: var(--on-surface-soft); }

.callout {
  background: var(--paper-2); border-left: 5px solid var(--accent, var(--c-blue));
  padding: var(--sp-3) var(--sp-4); border-radius: var(--radius);
  margin-top: var(--sp-4);
}
.callout p:last-child { margin-bottom: 0; }
.case + .case { margin-top: var(--sp-7); }
.btn-row--center { justify-content: center; }
.section--ink-2 { background: var(--ink-2); }

/* --- Shop --------------------------------------------------------------- */
.shop-grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.shop-card {
  background: var(--paper); border: 1px solid var(--paper-line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.shop-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.shop-card__thumb {
  position: relative; aspect-ratio: 16 / 9; background-size: cover; background-position: center;
  display: flex; align-items: flex-end; padding: var(--sp-3);
}
.shop-card__thumb::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,12,15,.1) 30%, rgba(12,12,15,.78) 100%);
}
.shop-card__thumb .pill { position: relative; z-index: 1; }
.shop-card__body { padding: var(--sp-3) var(--sp-3) var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }
.shop-card__body h3 { font-size: var(--step-1); margin: 0; }
.shop-card__body > p { color: var(--on-surface-soft); font-size: var(--step--1); margin: 0; }
.shop-opts { display: grid; gap: .55rem; margin-top: auto; }
.shop-opt { display: grid; gap: .25rem; }
.shop-opt label { font-family: var(--font-display); font-weight: 700; font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--text-soft); }
.shop-opt select, .shop-opt input {
  width: 100%; padding: .55rem .7rem; border: 2px solid var(--paper-line); border-radius: var(--radius);
  background: var(--paper); font-size: var(--step--1);
}
.shop-opt select:focus, .shop-opt input:focus { outline: none; border-color: var(--c-blue); }
.shop-opt--row { grid-template-columns: 1fr 1fr; gap: .55rem; display: grid; }
.shop-price {
  display: flex; align-items: baseline; justify-content: space-between; gap: .5rem;
  border-top: 1px solid var(--paper-line); padding-top: var(--sp-2); margin-top: var(--sp-2);
}
.shop-price b { font-family: var(--font-display); font-size: var(--step-1); letter-spacing: -.01em; }
.shop-price span { font-size: .78rem; color: var(--text-soft); }
.btn--wa { --btn-bg: #0E7A43; --btn-fg: #fff; border-color: #0E7A43; width: 100%; justify-content: center; }
.btn--wa:hover { --btn-bg: #0B6B3B; border-color: #0B6B3B; }
.shop-note { font-size: .82rem; color: var(--text-soft); }

.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--sp-4); } .mt-5 { margin-top: var(--sp-5); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.to-top {
  position: fixed; right: 1.15rem; bottom: 1.15rem; z-index: 90;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--ink); color: var(--paper);
  border: 0; cursor: pointer;
  display: grid; place-items: center;
  box-shadow: 0 4px 18px rgba(12, 12, 15, .35);
  opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), background-color .3s var(--ease);
}
.to-top::before {
  content: ""; position: absolute; inset: -3px; border-radius: 50%; z-index: -1;
  background: conic-gradient(var(--c-blue), var(--c-purple), var(--c-amber),
    var(--c-cyan), var(--c-green), var(--c-pink), var(--c-orange), var(--c-blue));
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--ink-3); transform: translateY(-3px); }
@media (max-width: 640px) { .to-top { width: 46px; height: 46px; right: .9rem; bottom: .9rem; } }

@media print {
  .header, .footer, .cta-band, .nav-toggle { display: none !important; }
  body { background: #fff; color: #000; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}