/* =========================================================
   Studio Ledger — shared stylesheet
   Theme words: clear · warm · grounded
   Layout: calm single column of sections on a 1120px grid,
   ledger-ruled accents, one ultramarine accent.
   ========================================================= */

/* ---------- 1. BRAND TOKENS (edit here only) ---------- */
:root {
  /* Colour */
  --bg: #FFFFFF;          /* page background: crisp white */
  --dot: #F5E0A0;         /* swiss-dot grid on plain sections: very pale yellow */
  --surface: #FFFFFF;     /* cards, header, form fields */
  --surface-2: #E3EAF8;   /* alternate section band: light blue */
  --tint: #EEF2FB;        /* banner background: pale blue */
  --band-border: #D2DCF2;
  --text: #1C2230;        /* body and headings: ink */
  --muted: #535A68;       /* captions, meta, footer */
  --accent: #2C3E9E;      /* ultramarine: buttons, links, highlights */
  --accent-soft: #DCE2F7; /* tint for chips and focus halos */
  --on-accent: #FFFFFF;   /* text on accent */
  --border: #E0E4EE;      /* dividers, card outlines */
  --rule: #C9D0EC;        /* ledger rule lines */
  --success: #1F6B45;
  --error: #A3262A;

  /* Type roles (Website Project Profile defaults) */
  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sub: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-accent: "Caveat", "Comic Sans MS", cursive;
  --font-ui: "Montserrat", "Segoe UI", system-ui, sans-serif;

  /* Spacing scale (8px) */
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px; --s5: 48px; --s6: 64px; --s7: 96px;

  --radius-btn: 8px;
  --radius-card: 12px;
  --shadow: 0 1px 2px rgba(28, 34, 48, .05), 0 8px 24px rgba(28, 34, 48, .06);
  --max: 1120px;
  --text-max: 680px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12141A; --dot: #3A3322; --surface: #1B1E27; --surface-2: #171E31; --tint: #141A29; --band-border: #263150; --text: #ECEDF0;
    --muted: #A6ABB7; --accent: #9DAAFF; --accent-soft: #252B4A; --on-accent: #12141A;
    --border: #2C303B; --rule: #313860; --success: #6FD3A0; --error: #FF8F8F;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12141A; --dot: #3A3322; --surface: #1B1E27; --surface-2: #171E31; --tint: #141A29; --band-border: #263150; --text: #ECEDF0;
  --muted: #A6ABB7; --accent: #9DAAFF; --accent-soft: #252B4A; --on-accent: #12141A;
  --border: #2C303B; --rule: #313860; --success: #6FD3A0; --error: #FF8F8F;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  color-scheme: dark;
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 { margin: 0; color: var(--text); text-wrap: balance; }
h1 { font-family: var(--font-heading); font-weight: 700; font-size: clamp(2rem, 1.2rem + 3.4vw, 3.4rem); line-height: 1.1; letter-spacing: -0.01em; }
h2 { font-family: var(--font-heading); font-weight: 700; font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem); line-height: 1.15; }
h3 { font-family: var(--font-sub); font-weight: 600; font-size: clamp(1.2rem, 1.1rem + .4vw, 1.4rem); line-height: 1.3; }
h4 { font-family: var(--font-sub); font-weight: 600; font-size: 1.05rem; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.25em; }

.skip-link {
  position: absolute; left: var(--s2); top: -100px; z-index: 100;
  background: var(--accent); color: var(--on-accent); padding: var(--s1) var(--s2);
  border-radius: var(--radius-btn); font-family: var(--font-ui); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: var(--s2); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- 3. LAYOUT ---------- */
.container {
  width: 100%; max-width: calc(var(--max) + 2 * var(--s3)); margin-inline: auto;
  padding-left: max(var(--s3), env(safe-area-inset-left, 0px));
  padding-right: max(var(--s3), env(safe-area-inset-right, 0px));
}
@media (max-width: 640px) {
  .container { padding-left: max(var(--s2), env(safe-area-inset-left, 0px)); padding-right: max(var(--s2), env(safe-area-inset-right, 0px)); }
}
.section { padding-block: var(--s7); }
.section:not(.section--band) { background: radial-gradient(circle, var(--dot) 1.2px, transparent 1.6px) 0 0 / 24px 24px, var(--bg); }
.section--band { background: var(--surface-2); border-block: 1px solid var(--band-border); }
@media (max-width: 640px) { .section { padding-block: var(--s5); } }

.section-head { display: grid; gap: var(--s2); max-width: var(--text-max); margin-bottom: var(--s5); }
.eyebrow {
  font-family: var(--font-ui); font-weight: 600; font-size: .8rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent);
}
.lede { font-size: 1.125rem; color: var(--muted); }
.prose { max-width: var(--text-max); display: grid; gap: var(--s2); }
.prose h2 { margin-top: var(--s3); }
.prose h3 { margin-top: var(--s2); }

.grid { display: grid; gap: var(--s3); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 960px) { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: var(--s6); align-items: center; }
.split > * { min-width: 0; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; gap: var(--s4); } }

/* ---------- 4. BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s1);
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius-btn);
  font-family: var(--font-ui); font-weight: 600; font-size: .95rem; letter-spacing: .02em;
  text-decoration: none; cursor: pointer; border: 2px solid var(--accent);
  transition: transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 35%, transparent); transform: translateY(-1px); }
.btn--secondary { background: transparent; color: var(--accent); }
.btn--secondary:hover { background: var(--accent-soft); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s2); }
.text-link { font-family: var(--font-ui); font-weight: 600; font-size: .95rem; }

/* ---------- 5. HEADER ---------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--surface); }
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); min-height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo img { width: 36px; height: 36px; }
.logo-word { font-family: var(--font-heading); font-weight: 700; font-size: 1.3rem; letter-spacing: -.01em; line-height: 1; }
.logo-word small { display: block; font-family: var(--font-ui); font-weight: 500; font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }

.nav-list { list-style: none; display: flex; gap: var(--s1); padding: 0; margin: 0; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  font-family: var(--font-ui); font-weight: 500; font-size: .92rem; letter-spacing: .03em;
  color: var(--text); text-decoration: none; border-radius: var(--radius-btn);
}
.nav-list a:hover { background: var(--accent-soft); }
.nav-list a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.header-cta { white-space: nowrap; }
.menu-toggle {
  display: none; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-btn);
  color: var(--text); font-family: var(--font-ui); font-weight: 600; font-size: .9rem; cursor: pointer;
}
.menu-toggle .bars { width: 18px; height: 2px; background: currentColor; position: relative; }
.menu-toggle .bars::before, .menu-toggle .bars::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor; }
.menu-toggle .bars::before { top: -6px; } .menu-toggle .bars::after { top: 6px; }

@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .site-nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .site-nav[data-open="false"] { display: none; }
  .nav-list { flex-direction: column; gap: 0; padding: var(--s1) max(var(--s2), env(safe-area-inset-left, 0px)) var(--s2); }
  .nav-list a { width: 100%; padding: 0 var(--s2); }
  .nav-list a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--accent); }
  .header-cta { display: none; }
  .nav-cta-mobile { display: block !important; padding: var(--s1) var(--s2) 0; }
}
.nav-cta-mobile { display: none; }

/* ---------- 5b. HEADER (brand blue, matches footer) ---------- */
.site-header {
  --header-bg: #2C3E9E; --header-text: #FFFFFF; --header-muted: rgba(255,255,255,.78); --header-line: rgba(255,255,255,.18); --header-highlight: #F2B33D;
  background: var(--header-bg); backdrop-filter: none; border-bottom: 1px solid var(--header-line);
}
:root[data-theme="dark"] .site-header { --header-bg: #1F2C74; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .site-header { --header-bg: #1F2C74; } }
body::before { background: #2C3E9E; }
.site-header :focus-visible { outline-color: var(--header-text); }
.site-header .logo, .site-header .logo-word { color: var(--header-text); }
.site-header .logo-word small { color: var(--header-muted); }
.site-header .nav-list a { color: var(--header-text); }
.site-header .nav-list a:hover { background: rgba(255,255,255,.12); }
.site-header .nav-list a[aria-current="page"] { color: var(--header-text); box-shadow: inset 0 -3px 0 var(--header-highlight); }
.site-header .btn--primary { background: #FFFFFF; color: #2C3E9E; border-color: #FFFFFF; }
.site-header .btn--primary:hover { background: var(--header-highlight); border-color: var(--header-highlight); color: #1C2230; box-shadow: none; }
.site-header .menu-toggle { color: var(--header-text); border-color: rgba(255,255,255,.4); }
@media (max-width: 960px) {
  .site-header .site-nav { background: var(--header-bg); border-bottom: 1px solid var(--header-line); }
  .site-header .nav-list a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--header-highlight); }
}

/* ---------- 6. BANNER (HERO) ---------- */
.banner { position: relative; padding-block: var(--s6) var(--s6); overflow: hidden; background: linear-gradient(180deg, var(--tint) 0%, var(--surface-2) 100%); border-bottom: 1px solid var(--band-border); }
.banner::before { /* ledger ruling */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .55;
  background-image: repeating-linear-gradient(to bottom, transparent 0 31px, var(--rule) 31px 32px);
  mask-image: linear-gradient(to right, transparent 0%, #000 55%, #000 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 55%, #000 100%);
}
.banner .container { position: relative; }
.banner-copy { display: grid; gap: var(--s3); }
.banner-copy .lede { max-width: 56ch; }
.banner-art { aspect-ratio: 5 / 4; max-width: 100%; }
.banner-art img { width: 100%; height: 100%; object-fit: contain; }
.tagline { font-family: var(--font-accent); font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); color: var(--accent); line-height: 1.1; }
.banner--home { padding-block: var(--s6) var(--s7); }
.stat-row { display: flex; flex-wrap: wrap; gap: var(--s3) var(--s4); margin-top: var(--s1); padding-top: var(--s3); border-top: 1px solid var(--border); }
.stat { display: grid; gap: 2px; }
.stat b { font-family: var(--font-heading); font-size: 1.6rem; line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { font-family: var(--font-ui); font-size: .8rem; letter-spacing: .04em; color: var(--muted); }
.breadcrumb { font-family: var(--font-ui); font-size: .85rem; color: var(--muted); }
.breadcrumb a { color: var(--muted); }

/* ---------- 7. CARDS & COMPONENTS ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card);
  padding: var(--s3); display: grid; gap: var(--s2); align-content: start; min-width: 0;
}
.card--link { transition: transform .25s ease, box-shadow .25s ease; }
.card--link:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card .icon { width: 44px; height: 44px; color: var(--accent); }
.card .more { margin-top: auto; }

.pain-list { list-style: none; padding: 0; display: grid; gap: 0; max-width: 820px; }
.pain-list li {
  display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: var(--s2); align-items: start;
  padding: 14px 0; border-bottom: 1px solid var(--rule);
}
.pain-list li::before {
  content: ""; width: 18px; height: 18px; margin-top: 4px; border: 2px solid var(--accent); border-radius: 4px;
  background: linear-gradient(var(--accent), var(--accent)) center / 8px 8px no-repeat;
}

.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s3); counter-reset: step; }
.steps li { counter-increment: step; display: grid; gap: var(--s1); padding-top: var(--s3); border-top: 2px solid var(--accent); }
.steps li::before { content: "Step " counter(step); font-family: var(--font-ui); font-weight: 600; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } }

.benefit { display: grid; gap: var(--s1); padding-left: var(--s3); border-left: 2px solid var(--rule); }

.chip {
  display: inline-flex; align-items: center; width: fit-content; padding: 4px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-family: var(--font-ui); font-weight: 600; font-size: .75rem; letter-spacing: .05em;
}
.sample-tag {
  display: inline-block; font-family: var(--font-ui); font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); border: 1px dashed var(--muted); border-radius: 4px; padding: 1px 6px; vertical-align: middle;
}

/* Packages */
.package { gap: var(--s3); }
.package header { display: grid; gap: var(--s1); }
.package .for { color: var(--muted); font-size: .95rem; }
.package h4 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.package ul { display: grid; gap: 6px; }
.package .outcome { padding: var(--s2); background: var(--accent-soft); border-radius: var(--radius-btn); font-size: .95rem; }
.package--featured { border: 2px solid var(--accent); }

/* Persona detail blocks */
.persona { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: var(--s5); padding-block: var(--s5); border-top: 1px solid var(--border); scroll-margin-top: 96px; }
.persona:first-of-type { border-top: 0; padding-top: 0; }
.persona-head { display: grid; gap: var(--s2); align-content: start; }
.persona-head img { width: 120px; height: 120px; }
.persona-body { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3) var(--s4); }
.persona-body > div { display: grid; gap: var(--s1); align-content: start; }
.persona-body h4 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.persona-body ul { display: grid; gap: 6px; }
.persona-body .persona-wide { grid-column: 1 / -1; }
@media (max-width: 960px) { .persona { grid-template-columns: 1fr; gap: var(--s3); } }
@media (max-width: 640px) { .persona-body { grid-template-columns: 1fr; } }

/* Portfolio */
.project-card { padding: 0; overflow: hidden; gap: 0; }
.project-card .thumb { overflow: hidden; aspect-ratio: 16 / 10; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.project-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover .thumb img { transform: scale(1.05); }
.project-card .body { padding: var(--s3); display: grid; gap: var(--s2); }
.result-big { font-family: var(--font-heading); font-weight: 700; font-size: 1.5rem; line-height: 1.15; color: var(--accent); }
.project-open { justify-self: start; }

dialog.project {
  width: min(860px, calc(100% - 32px)); max-height: calc(100% - 48px); padding: 0;
  border: 1px solid var(--border); border-radius: var(--radius-card); background: var(--surface); color: var(--text);
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
}
dialog.project::backdrop { background: rgba(18, 20, 26, .55); }
.dialog-inner { padding: var(--s5); display: grid; gap: var(--s3); }
@media (max-width: 640px) { .dialog-inner { padding: var(--s3); } }
.dialog-close { position: sticky; top: var(--s2); display: flex; width: fit-content; margin: var(--s2) var(--s2) calc(-1 * var(--s5)) auto; z-index: 2; background: var(--surface); }
.breakdown { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s3); }
.breakdown > div { display: grid; gap: var(--s1); align-content: start; }
.breakdown h4 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
@media (max-width: 760px) { .breakdown { grid-template-columns: 1fr; } }
.results { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s2); }
.results li { padding: var(--s2); border: 1px solid var(--border); border-radius: var(--radius-btn); display: grid; gap: 4px; }
.results b { font-family: var(--font-heading); font-size: 1.4rem; line-height: 1.1; color: var(--accent); font-variant-numeric: tabular-nums; }
.results span { font-size: .9rem; color: var(--muted); }
@media (max-width: 640px) { .results { grid-template-columns: 1fr; } }

/* Testimonials */
.quote { display: grid; gap: var(--s2); padding: var(--s3); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); margin: 0; }
.quote blockquote { margin: 0; }
.quote .pull { font-family: var(--font-accent); font-size: 1.6rem; line-height: 1.15; color: var(--accent); }
.quote figcaption { font-family: var(--font-ui); font-size: .85rem; color: var(--muted); }
.quote figcaption b { color: var(--text); font-weight: 600; }

/* FAQ */
.faq { display: grid; gap: 0; max-width: 820px; }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: var(--s2);
  padding: 20px 0; font-family: var(--font-sub); font-weight: 600; font-size: 1.1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--accent); flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 0 var(--s3); max-width: var(--text-max); color: var(--muted); display: grid; gap: var(--s1); }

/* Closing CTA */
.cta-band { background: var(--accent); color: var(--on-accent); border-radius: var(--radius-card); padding: var(--s6) var(--s5); display: grid; gap: var(--s3); justify-items: start; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .14; background-image: repeating-linear-gradient(to bottom, transparent 0 31px, currentColor 31px 32px); }
.cta-band h2, .cta-band p { color: var(--on-accent); position: relative; max-width: 30ch; }
.cta-band p { max-width: 56ch; }
.cta-band .btn { position: relative; background: var(--on-accent); color: var(--accent); border-color: var(--on-accent); }
@media (max-width: 640px) { .cta-band { padding: var(--s5) var(--s3); } }

/* About */
.founder { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: var(--s5); align-items: start; }
.founder img { border-radius: var(--radius-card); border: 1px solid var(--border); }
@media (max-width: 760px) { .founder { grid-template-columns: 1fr; } .founder img { max-width: 280px; } }
.cred-list { list-style: none; padding: 0; display: grid; gap: var(--s1); }
.cred-list li { padding: 10px 0; border-bottom: 1px solid var(--rule); font-family: var(--font-ui); font-size: .95rem; }

/* ---------- 8. FORMS ---------- */
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: var(--s5); align-items: start; }
@media (max-width: 960px) { .contact-layout { grid-template-columns: 1fr; } }
form.lead-form { display: grid; gap: var(--s3); }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3); }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-family: var(--font-ui); font-weight: 600; font-size: .9rem; }
.field .hint { font-size: .85rem; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 10px 14px; font: inherit; font-size: 1rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-btn);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }
.field[data-invalid="true"] input, .field[data-invalid="true"] select, .field[data-invalid="true"] textarea { border-color: var(--error); border-width: 2px; }
.field .error { color: var(--error); font-size: .88rem; font-weight: 500; }
.field .error:empty { display: none; }
.form-status { padding: var(--s2) var(--s3); border-radius: var(--radius-btn); border: 1px solid; }
.form-status.ok { color: var(--success); border-color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.form-status.bad { color: var(--error); border-color: var(--error); background: color-mix(in srgb, var(--error) 8%, transparent); }
.hp { position: absolute; left: -9999px; }
.contact-details { display: grid; gap: var(--s3); }
.contact-details dl { margin: 0; display: grid; gap: var(--s2); }
.contact-details dt { font-family: var(--font-ui); font-weight: 600; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.contact-details dd { margin: 2px 0 0; }

/* ---------- 9. FOOTER (brand blue, white type) ---------- */
.site-footer {
  --footer-bg: #2C3E9E; --footer-text: #FFFFFF; --footer-muted: rgba(255,255,255,.78); --footer-line: rgba(255,255,255,.22); --footer-highlight: #F2B33D;
  background: var(--footer-bg); color: var(--footer-text); padding-block: var(--s6) var(--s4); margin-top: var(--s7);
}
:root[data-theme="dark"] .site-footer { --footer-bg: #1F2C74; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .site-footer { --footer-bg: #1F2C74; } }
.site-footer :focus-visible { outline-color: var(--footer-text); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)) auto; gap: var(--s5); }
.footer-grid > * { min-width: 0; }
@media (max-width: 960px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: var(--s4); } }
.footer-brand { display: grid; gap: var(--s2); align-content: start; }
.site-footer .logo, .site-footer .logo-word { color: var(--footer-text); }
.site-footer .logo-word small { color: var(--footer-muted); }
.footer-brand .tagline { font-size: 1.5rem; color: var(--footer-highlight); }
.footer-brand p { color: var(--footer-muted); font-size: .95rem; max-width: 36ch; }
.footer-title { font-family: var(--font-ui); font-weight: 600; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--footer-muted); margin-bottom: var(--s2); }
.footer-nav { list-style: none; padding: 0; display: grid; gap: 2px; }
.footer-nav a { display: inline-flex; min-height: 36px; align-items: center; color: var(--footer-text); text-decoration: none; font-size: .95rem; }
.footer-nav a:hover { text-decoration: underline; text-decoration-color: var(--footer-highlight); }
.social { display: flex; gap: var(--s1); list-style: none; padding: 0; }
.social a { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 50%; color: var(--text); }
.social a:hover { color: var(--accent); border-color: var(--accent); }
.site-footer .social a { border-color: var(--footer-line); color: var(--footer-text); }
.site-footer .social a:hover { color: var(--footer-bg); background: var(--footer-text); border-color: var(--footer-text); }
.social svg { width: 20px; height: 20px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s2); margin-top: var(--s5); padding-top: var(--s3); border-top: 1px solid var(--footer-line); font-size: .85rem; color: var(--footer-muted); }
.footer-bottom a { color: var(--footer-text); }
.to-top {
  position: fixed; right: max(var(--s3), env(safe-area-inset-right, 0px)); bottom: calc(var(--s3) + env(safe-area-inset-bottom, 0px)); z-index: 40;
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .25s, transform .25s, visibility .25s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 20px; height: 20px; }

/* Cookie banner */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  background: var(--surface); border-top: 1px solid var(--border); box-shadow: 0 -8px 24px rgba(0,0,0,.08);
  padding-block: var(--s3) calc(var(--s3) + env(safe-area-inset-bottom, 0px));
}
.cookie-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s2) var(--s3); }
.cookie-inner p { max-width: 70ch; font-size: .95rem; }

/* Legal */
.legal-note { padding: var(--s2) var(--s3); border: 1px dashed var(--muted); border-radius: var(--radius-btn); color: var(--muted); font-size: .95rem; }

/* ---------- 10. MOTION ---------- */
.reveal { transition: opacity .4s ease, transform .4s ease; }
.js .reveal.pre { opacity: .001; transform: translateY(16px); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal.pre { opacity: 1; transform: none; }
}