/* Resilience Lab: shared styles for index.html and who-we-are.html */

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #0088b0;
  --color-accent-600: #1186ac;
  --color-accent-700: #006786;
  --color-accent-2: #d6006c;
  --color-accent-2-700: #aa0b56;
  --color-divider: color-mix(in srgb, #201e1d 16%, transparent);
  --text-78: color-mix(in srgb, var(--color-text) 78%, transparent);
  --text-70: color-mix(in srgb, var(--color-text) 70%, transparent);

  --font: "Source Serif 4", Georgia, "Times New Roman", serif;
  --radius-sm: 1px;
  --radius-md: 2px;
  --space-3: 15px;

  --leading: 28px;
  --half: 14px;
  --edge: clamp(20px, 4.5vw, 64px);
  --ease: cubic-bezier(.22, .7, .28, 1);
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font); font-weight: 600; margin: 0; }
p, blockquote, figure { margin: 0; }
img { display: block; max-width: 100%; }
svg, form { max-width: 100%; }
a { color: var(--color-accent-700); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-600); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 var(--edge); }

/* ---------- Type ---------- */

.kicker {
  display: block; margin: 0 0 var(--half);
  font-size: 13px; line-height: var(--half); letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-70);
}
.label {
  margin: 0;
  font-size: 13px; line-height: var(--half); letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-accent-700);
}
.h2 { font-size: clamp(26px, 3vw, 38px); line-height: 1.12; letter-spacing: -0.015em; max-width: 24ch; }
.h2-wide { max-width: 26ch; }
.h2-sm { font-size: clamp(24px, 2.8vw, 34px); }
.h3 { line-height: var(--leading); letter-spacing: -0.012em; }

.copy { font-size: 16px; line-height: var(--leading); color: var(--text-78); }
.copy-sm { font-size: 15px; line-height: var(--leading); margin-top: 6px; color: var(--text-78); }
.note { font-size: 14px; line-height: var(--leading); color: var(--text-70); }
.justify { text-align: justify; hyphens: auto; }

.mt { margin-top: var(--leading); }
.mt-half { margin-top: var(--half); }
.mt-15 { margin-top: calc(1.5 * var(--leading)); }

.pull {
  font-style: italic; font-weight: 400; letter-spacing: -0.01em;
  font-size: clamp(19px, 2.1vw, 25px);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px;
  font-family: var(--font); font-weight: 600; font-size: 14px; line-height: 1.2;
  color: var(--color-text); text-decoration: none; cursor: pointer;
  background: transparent; border: 1px solid transparent; border-radius: var(--radius-md);
  /* The pressed colour lingers after release, then eases back */
  transition: background-color .7s ease .35s, color .7s ease .35s, border-color .7s ease .35s, transform .12s ease;
}
.btn:active {
  transform: translateY(1px);
  transition: background-color .1s ease, color .1s ease, border-color .1s ease, transform .12s ease;
}
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); color: var(--color-bg); }
.btn-primary:active { background: var(--color-accent-2); border-color: var(--color-accent-2); color: var(--color-bg); }
.btn-ghost { color: var(--color-accent); padding-inline: 5px; }
.btn-ghost:hover { color: var(--color-accent); background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent-2) 16%, transparent); color: var(--color-accent-2-700); }
.btn-row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--leading); }

/* ---------- Pause mark ---------- */

.mark { flex: none; display: block; }
.mark rect { transform-origin: 50% 50%; animation: rl-breathe 7s cubic-bezier(.4, 0, .4, 1) infinite; }
.mark rect:last-of-type { animation-delay: .5s; }
.mark circle { transition: stroke .5s var(--ease); }
.brand:hover .mark circle { stroke: var(--color-accent-700); }
@keyframes rl-breathe { 0%, 100% { transform: scaleY(1); } 45% { transform: scaleY(.72); } }

/* ---------- Nav ---------- */

.nav {
  display: flex; align-items: center; gap: 20px;
  padding-block: 15px;
  padding-inline: max(var(--edge), calc((100% - 1140px) / 2 + var(--edge)));
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: var(--color-accent); }
.nav .btn-primary, .nav .btn-primary:hover { color: var(--color-text); }
.nav [aria-current="page"] { font-size: 14px; color: var(--color-accent-700); white-space: nowrap; }
.brand {
  display: flex; align-items: center; gap: 10px; margin-right: auto;
  font-weight: 600; font-size: 18px;
}
.nav a.brand { font-size: 18px; color: var(--color-text); }
.nav-link { position: relative; }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -3px; height: 1px;
  background: currentColor; transition: right .3s var(--ease);
}
.nav-link:hover::after { right: 0; }

/* ---------- Photographs: process plates ---------- */

/* Each photograph is the full-colour image plus four faint CMYK separations,
   nudged out of register, multiplied at 20% under a light halftone screen.
   The #sep-* filters are inline SVG defs at the end of each page. */
.cmyk { position: relative; overflow: hidden; background: var(--color-bg); }
.cmyk img { width: 100%; height: 100%; object-fit: cover; }
.cmyk img + img { position: absolute; inset: 0; mix-blend-mode: multiply; opacity: .2; }
.cmyk .sep-c { filter: url(#sep-c); }
.cmyk .sep-m { filter: url(#sep-m); translate: 1px 1px; }
.cmyk .sep-y { filter: url(#sep-y); translate: -1px -1px; }
.cmyk .sep-k { filter: url(#sep-k); translate: 1px 2px; }
.cmyk::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: radial-gradient(circle, rgba(0, 0, 0, .05) 22%, transparent 24%);
  background-size: 2px 2px; mix-blend-mode: multiply;
}
.ratio-1 { aspect-ratio: 1; border-radius: 50%; }
.ratio-43 { aspect-ratio: 4 / 3; }
.ratio-34 { aspect-ratio: 3 / 4; }
.ratio-249 { aspect-ratio: 24 / 9; }
.portrait img { object-position: 50% 30%; }

/* ---------- Grids ---------- */

.split { display: grid; gap: calc(1.5 * var(--leading)) clamp(28px, 5vw, 80px); align-items: center; }
.split-75 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split-57 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }

.section { padding: 0 0 calc(3 * var(--leading)); }

/* ---------- Home: hero ---------- */

.hero { padding: calc(2.5 * var(--leading)) 0; }
.hero h1 {
  font-size: clamp(36px, 5.4vw, 70px); line-height: 1.04; letter-spacing: -0.02em;
  margin-left: -0.035em; max-width: 14ch;
}
.hero .pull { line-height: calc(1.25 * var(--leading)); margin-top: var(--leading); max-width: 32ch; }
.hero .intro { font-size: 17px; max-width: 52ch; }

/* ---------- Home: sessions ---------- */

.sessions-intro { max-width: 58ch; }
.cards { gap: calc(1.5 * var(--leading)) clamp(20px, 2.6vw, 32px); margin-top: calc(1.5 * var(--leading)); }
.cards .h3 { font-size: 22px; margin-top: var(--half); }

/* ---------- Home: formats ---------- */

.formats { margin-top: calc(1.5 * var(--leading)); }
.format {
  display: grid; grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: var(--half) clamp(20px, 3vw, 40px); align-items: baseline;
  padding: var(--leading) 0;
}
.format .h3 { font-size: 24px; }
.format .copy-sm { font-size: 15.5px; max-width: 52ch; }
.formats-note { margin-top: var(--leading); max-width: 62ch; }

/* ---------- Home: evidence ---------- */

.big-word {
  font-weight: 600; font-size: clamp(48px, 6.5vw, 88px); line-height: 1; letter-spacing: -0.02em;
  margin-left: -0.035em; color: var(--color-accent-700);
}
.big-mark { margin: var(--leading) 0 0 .035em; }
.evidence .pull { line-height: calc(1.3 * var(--leading)); max-width: 40ch; }
.evidence .kicker-after { margin: var(--leading) 0 0; }
.pair { gap: var(--leading) clamp(20px, 3vw, 40px); margin-top: calc(1.5 * var(--leading)); }
.pair .h3 { font-size: 20px; }

/* ---------- Home: philosophy ---------- */

.philosophy { gap: var(--leading) clamp(28px, 5vw, 80px); align-items: baseline; }
.philosophy .pull { font-size: clamp(22px, 2.6vw, 31px); line-height: calc(1.25 * var(--leading)); max-width: 26ch; }
.philosophy .copy { max-width: 56ch; }

/* ---------- Home: who we are ---------- */

.team { gap: var(--leading) clamp(28px, 5vw, 80px); }
.team .copy { max-width: 52ch; }
.portraits { gap: clamp(16px, 2vw, 24px); }

/* ---------- Home: how it works ---------- */

.steps { gap: calc(1.5 * var(--leading)) clamp(28px, 4vw, 64px); margin-top: calc(1.5 * var(--leading)); }
.step-num { font-weight: 600; font-size: 34px; line-height: 1; color: var(--color-accent-700); }
.steps .h3 { font-size: 20px; margin-top: var(--half); }

/* ---------- Home: pricing ---------- */

.pricing-intro { max-width: 56ch; }
.prices { gap: calc(1.5 * var(--leading)) clamp(28px, 4vw, 56px); margin-top: calc(1.75 * var(--leading)); }
.prices .h3 { font-size: 20px; margin-top: var(--half); min-height: calc(2 * var(--leading)); }
.price {
  font-weight: 600; font-size: clamp(30px, 3.6vw, 44px); line-height: 1; letter-spacing: -0.02em;
  margin-top: var(--leading); min-height: 44px; color: var(--color-accent-700);
}
.price-quote { font-size: clamp(26px, 3vw, 34px); line-height: 1.1; }
.price-unit { font-weight: 400; font-size: 16px; letter-spacing: 0; color: var(--text-70); }
.prices .copy-sm { margin-top: var(--half); max-width: 34ch; }

/* ---------- Home: enquiry ---------- */

.enquire { align-items: start; padding-bottom: calc(1.5 * var(--leading)); }
.enquire .h2, .closing .h2 { line-height: 1.1; max-width: 20ch; }
.enquire .copy { max-width: 44ch; }
.enquire .copy-ink { max-width: none; color: var(--color-text); }
.reply-note { font-size: 13px; line-height: var(--leading); margin-top: var(--half); color: var(--text-70); }

.form { display: flex; flex-direction: column; gap: var(--leading); }
.fields { gap: var(--half) clamp(16px, 2vw, 24px); }
.field > label { display: block; font-size: 12px; margin-bottom: 5px; color: var(--text-70); }
.input {
  width: 100%; max-width: 100%; min-height: 36px; padding: 6px 10px;
  font: inherit; font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input::placeholder { color: color-mix(in srgb, var(--color-text) 65%, transparent); opacity: 1; }
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
.input[aria-invalid="true"] {
  border-color: var(--color-accent-2);
  box-shadow: 0 0 0 1px var(--color-accent-2);
  background: color-mix(in srgb, var(--color-accent-2) 6%, var(--color-surface));
}
.field:has([aria-invalid="true"]) > label { color: var(--color-accent-2-700); font-weight: 600; }
textarea.input { min-height: 90px; resize: vertical; }

fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { padding: 0; font-size: 12px; margin-bottom: var(--half); color: var(--text-70); }
.options { display: flex; flex-wrap: wrap; gap: var(--half) clamp(16px, 2.4vw, 28px); }
.choice { position: relative; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.choice input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.choice .dot { width: 16px; height: 16px; flex: none; border-radius: 50%; border: 1.5px solid var(--color-divider); }
.choice .dot.square { border-radius: var(--radius-sm); }
.choice:hover .dot { border-color: var(--color-accent); }
.choice input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.choice input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.submit-row { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.send-note { font-size: 13px; color: var(--text-70); }
.send-note.is-error { font-size: 14px; font-weight: 600; color: var(--color-accent-2-700); }
.send-note.is-sent { font-size: 14px; font-weight: 600; color: var(--color-accent-700); }
.form.is-sending .btn-primary { opacity: .6; cursor: progress; }

/* Spam trap: kept off-screen, people never see or reach it */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-privacy { font-size: 13px; line-height: 1.6; color: var(--text-70); margin-top: calc(-1 * var(--half)); }

/* ---------- Who we are ---------- */

.about-hero { padding: calc(3 * var(--leading)) 0 calc(2 * var(--leading)); }
.about-hero h1 {
  font-size: clamp(36px, 5vw, 66px); line-height: 1.08; letter-spacing: -0.02em;
  margin-left: -0.035em; max-width: 34ch;
}
.about-hero h1 span { display: block; }
.about-hero .copy { font-size: 17px; margin-top: calc(1.5 * var(--leading)); max-width: 62ch; }

.founders { gap: calc(2 * var(--leading)) clamp(32px, 5vw, 80px); padding-bottom: calc(2.5 * var(--leading)); }
.founders h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: calc(1.25 * var(--leading)); letter-spacing: -0.012em; margin-top: var(--leading); }
.founders .label { margin-top: var(--half); }
.founders .copy { margin-top: var(--leading); max-width: 44ch; }

.practice { gap: var(--leading) clamp(28px, 5vw, 80px); padding-bottom: calc(2.5 * var(--leading)); }
.practice .pull { font-size: clamp(22px, 2.5vw, 31px); line-height: calc(1.35 * var(--leading)); max-width: 26ch; }
.practice .copy { max-width: 58ch; }

.wide-photo { margin-bottom: calc(2.5 * var(--leading)); }

.closing { padding-bottom: calc(1.5 * var(--leading)); }
.closing .copy { max-width: 58ch; }

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

.footer {
  display: flex; gap: var(--leading); flex-wrap: wrap; align-items: baseline;
  padding-top: calc(1.5 * var(--leading)); padding-bottom: calc(2 * var(--leading));
  font-size: 13px; line-height: var(--leading); color: var(--text-70);
}
.footer .brand { font-size: 17px; gap: 9px; color: var(--color-text); }
.footer [aria-current="page"] { color: var(--color-accent-700); }

/* ---------- Privacy notice ---------- */

.legal { padding-bottom: calc(2 * var(--leading)); }
.legal .h2 { margin-top: calc(2 * var(--leading)); }
.legal .h2:first-child { margin-top: 0; }
.legal p.copy, .legal ul { max-width: 62ch; margin-top: var(--half); }
.legal .h2 + .copy { margin-top: var(--leading); }
.legal ul { padding-left: 1.2em; }
.legal li + li { margin-top: 4px; }
.legal strong { font-weight: 600; color: var(--color-text); }

/* Placeholders still to be filled in: hard to miss on purpose */
.todo {
  padding: 0 4px; border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent-2) 16%, transparent);
  color: var(--color-accent-2-700); font-weight: 600;
}

/* ---------- Reveal on scroll (main.js adds data-reveal) ---------- */

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal="in"] { opacity: 1; transform: none; }
[data-reveal] .cmyk img { transition: transform 1.1s var(--ease); }
[data-reveal]:not([data-reveal="in"]) .cmyk img { transform: scale(1.05); }

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .split, .grid-3, .format { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .justify { text-align: left; }
}
@media (max-width: 520px) {
  .nav-link, .nav [aria-current="page"] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none; }
  .btn, .mark circle, .cmyk img { transition: none; }
  [data-reveal] .cmyk img { transform: none; }
  .mark rect { animation: none; }
}