/* ============================================================
   IntactMinds — base, layout and typography
   ============================================================ */
@import url("tokens.css");

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 { margin: 0; font-weight: 700; letter-spacing: -0.022em; color: var(--ink); }
h1 { font-size: var(--fs-h1); line-height: var(--lh-display); letter-spacing: -0.032em; }
h2 { font-size: var(--fs-h2); line-height: var(--lh-heading); letter-spacing: -0.028em; }
h3 { font-size: var(--fs-h3); line-height: 1.2; }
h4 { font-size: var(--fs-h4); line-height: 1.3; }
p  { margin: 0; }
ul,ol { margin: 0; padding: 0; }
img,svg,video { max-width: 100%; height: auto; display: block; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Focus — blueprint 8: cobalt outline plus offset */
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

::selection { background: var(--blue-soft); color: var(--ink); }

.skip-link {
  position: absolute; left: 12px; top: -100px; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 20px;
  border-radius: var(--r-pill); font-weight: 600; font-size: .9375rem;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; text-decoration: none; }

.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;
}

/* ---------- Layout primitives ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }
.section { padding-block: var(--sec-y); position: relative; }
.section--tight { padding-block: calc(var(--sec-y) * .72); }
.section--canvas { background: var(--canvas); }
.section--white  { background: var(--white); }
.section--soft   { background: var(--blue-soft); }
.section--mint   { background: var(--mint-soft); }
.section--ink    { background: var(--ink); color: rgba(255,255,255,.82); }
.section--ink h1,.section--ink h2,.section--ink h3,.section--ink h4 { color: #fff; }

.grid { display: grid; gap: var(--gap); }
.g2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 1000px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px)  { .g2, .g3, .g4 { grid-template-columns: minmax(0,1fr); } }

.stack   { display: flex; flex-direction: column; gap: 1rem; }
.stack-2 { display: flex; flex-direction: column; gap: 1.5rem; }
.row     { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.measure { max-width: 62ch; }
.measure-sm { max-width: 48ch; }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .625rem;
  font-family: var(--font-mono); font-size: var(--fs-label);
  font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  color: var(--blue); margin: 0;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--coral); flex: none; }
.eyebrow--mint { color: var(--mint); }
.section--ink .eyebrow, .panel--ink .eyebrow { color: var(--mint); }

.lead  { font-size: var(--fs-lead); line-height: 1.6; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: var(--fs-small); }
.mono  { font-family: var(--font-mono); }
.section--ink .lead, .section--ink .muted { color: rgba(255,255,255,.7); }

.sec-head { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); gap: clamp(1rem,3vw,3rem); align-items: end; margin-bottom: clamp(1.75rem,2.6vw,2.5rem); }
.sec-head > .stack { gap: 1rem; }
.sec-head p.lead { max-width: 46ch; }
@media (max-width: 860px) { .sec-head { grid-template-columns: minmax(0,1fr); align-items: start; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .75rem 1.5rem;
  border-radius: var(--r-pill); border: 1.5px solid transparent;
  font-family: inherit; font-size: .9688rem; font-weight: 600; letter-spacing: -.01em;
  cursor: pointer; text-decoration: none; text-align: center;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn .arw { transition: transform var(--dur) var(--ease); }
.btn:hover .arw { transform: translateX(3px); }

.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 6px 18px -8px rgba(49,86,232,.7); }
.btn--primary:hover { background: var(--blue-deep); box-shadow: 0 10px 24px -10px rgba(49,86,232,.8); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-deep); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(18,34,53,.03); }
.btn--white { background: #fff; color: var(--ink); }
.btn--white:hover { box-shadow: var(--sh-md); }
.btn--sm { min-height: 44px; padding: .5rem 1.1rem; font-size: .9063rem; }
.btn--block { width: 100%; }

.link-arrow { display: inline-flex; align-items: center; gap: .4rem; font-weight: 600; font-size: .9375rem; color: var(--blue); }
.link-arrow svg { transition: transform var(--dur) var(--ease); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- Cards ---------- */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r-card); padding: clamp(1.25rem, 2vw, 1.75rem);
  display: flex; flex-direction: column; gap: .75rem;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card--lift:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.card h3, .card h4 { letter-spacing: -.02em; }
.card p { color: var(--muted); font-size: var(--fs-small); line-height: 1.6; }
.section--ink .card, .panel--ink .card { background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.12); }
.section--ink .card p, .panel--ink .card p { color: rgba(255,255,255,.66); }

.card-num { font-family: var(--font-mono); font-size: .6875rem; font-weight: 600; letter-spacing: .18em; color: var(--coral-text); }
.card-chip { width: 34px; height: 34px; border-radius: 10px; flex: none; display: grid; place-items: center; color: var(--blue); background: var(--blue-soft); }
.card-chip--mint  { background: var(--mint-soft);  color: #0F6E59; }
.card-chip--coral { background: var(--coral-soft); color: #B4441F; }
.card-chip--yellow{ background: var(--yellow-soft);color: #7A5710; }

.flist { list-style: none; display: flex; flex-direction: column; gap: .55rem; margin-top: .25rem; }
.flist li { display: flex; gap: .6rem; align-items: flex-start; font-size: .9063rem; color: var(--muted); line-height: 1.5; }
.flist li::before { content: "\2197"; color: var(--mint); font-size: .875rem; line-height: 1.5; flex: none; }
.section--ink .flist li { color: rgba(255,255,255,.7); }

.clist { list-style: none; display: flex; flex-direction: column; gap: .625rem; }
.clist li { display: flex; gap: .75rem; align-items: center; background: var(--white); border: 1px solid var(--border); border-radius: var(--r-ui); padding: .875rem 1.125rem; font-size: .9375rem; }
.clist li::before { content: "\2713"; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--mint-soft); color: #0F6E59; display: grid; place-items: center; font-size: .75rem; font-weight: 700; }
.section--ink .clist li { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); color: rgba(255,255,255,.85); }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag { font-size: .75rem; font-weight: 600; padding: .3rem .625rem; border-radius: var(--r-pill); background: var(--canvas); border: 1px solid var(--border); color: var(--muted); }
.tag--mint { background: var(--mint-soft); border-color: transparent; color: #0F6E59; }
.tag--blue { background: var(--blue-soft); border-color: transparent; color: var(--blue-deep); }

.kicker { font-family: var(--font-mono); font-size: .6875rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.kicker--muted { color: var(--muted-soft); }

/* ---------- Notices / verification guard ---------- */
.notice {
  display: flex; gap: .75rem; align-items: flex-start;
  background: var(--yellow-soft); border: 1px solid #F0DCA6;
  border-radius: var(--r-ui); padding: .875rem 1.125rem;
  font-size: .8125rem; line-height: 1.55; color: #6B5310;
}
.notice svg { flex: none; margin-top: 3px; }

/* ---------- Panels ---------- */
.panel { border-radius: var(--r-panel); padding: clamp(1.75rem, 4vw, 3.5rem); }
.panel--ink { background: var(--ink); color: rgba(255,255,255,.8); }
.panel--ink h2, .panel--ink h3 { color: #fff; }
.panel--blue { background-color: #2B4ADF; background-image: linear-gradient(122deg, #2B4ADF 0%, #3A5AE8 55%, #4A66ED 100%); color: #fff; }
.panel--blue h2 { color: #fff; }
.panel--outline { background: var(--white); border: 1px solid var(--border); }

.cta-band { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: clamp(1.5rem,3vw,2.5rem); align-items: center; }
.cta-band h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); max-width: 18ch; }
@media (max-width: 780px) { .cta-band { grid-template-columns: minmax(0,1fr); } }

.quote { font-size: clamp(1.25rem, 2.4vw, 1.9rem); line-height: 1.42; font-weight: 600; letter-spacing: -.025em; color: #fff; max-width: 30ch; }
.quote-attr { font-family: var(--font-mono); font-size: .6875rem; letter-spacing: .16em; text-transform: uppercase; color: var(--mint); margin-top: 1.5rem; }

/* ---------- Motion: one-time reveal (blueprint 6) ---------- */
.reveal { opacity: 0; transform: translateY(16px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal[data-d="1"].is-in { transition-delay: 60ms; }
.reveal[data-d="2"].is-in { transition-delay: 120ms; }
.reveal[data-d="3"].is-in { transition-delay: 180ms; }
.reveal[data-d="4"].is-in { transition-delay: 240ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}