/* Intellias — intellias.io
   Layout: left-aligned grid (max 1180px) on a cool paper ground, alternating slate panels,
   a graphite band at the foot of each page. Type: the platform's own UI face (San Francisco
   on Apple, Segoe UI on Windows, Roboto on Android), bold and tightly set for headings. */

:root {
  --paper-0: #F4F6F7;   /* page ground */
  --paper-1: #E7EBEE;   /* panels */
  --paper-2: #CDD5DA;   /* borders, rules */
  --paper-3: #98A5AE;   /* muted text on dark, strong rules on light */
  --graphite: #121A21;  /* dark bands, buttons */
  --ink:      #171E24;  /* text */
  --ink-2:    #56636C;  /* secondary text */
  --accent:   #2F5D9E;  /* hover, focus, markers */
  --field:    #FBFCFC;  /* form fields */
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --gutter: 20px;
  --measure: 66ch;
  color-scheme: light;
}
@media (min-width: 720px) { :root { --gutter: 40px; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper-0);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-weight: 700; margin: 0; letter-spacing: -0.025em; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.2em; }
li + li { margin-top: .5em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}

/* Header ------------------------------------------------------------- */
.site-header { padding-block: 24px 16px; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 700; font-size: 22px; letter-spacing: -0.02em; line-height: 1; }
.brand svg { width: 20px; height: 20px; flex: none; }
.brand small { display: none; }
.site-nav { display: flex; flex-wrap: wrap; gap: 6px 26px; }
.site-nav a { display: inline-block; padding-block: 4px; font-size: 15.5px; font-weight: 500; text-decoration: none; }
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 7px; text-decoration-thickness: 1px; text-decoration-color: var(--accent); }

/* Buttons and links ---------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 24px;
  border: 1px solid var(--graphite); border-radius: 2px;
  background: var(--graphite); color: var(--paper-0);
  font: 500 15.5px/1 var(--font-body);
  text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-quiet { background: transparent; color: var(--ink); border-color: var(--paper-3); }
.btn-quiet:hover { background: var(--paper-1); border-color: var(--ink); color: var(--ink); }
.band-ink .btn { background: var(--paper-0); border-color: var(--paper-0); color: var(--graphite); }
.band-ink .btn:hover { background: var(--paper-1); border-color: var(--paper-1); }

a:not(.btn):not(.brand):not(.site-nav a):not(.site-footer a) { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; text-decoration-color: var(--paper-3); }
a:not(.btn):not(.brand):not(.site-nav a):not(.site-footer a):hover { color: var(--accent); text-decoration-color: var(--accent); }
.more { display: inline-block; font-weight: 500; }

/* Hero ----------------------------------------------------------------- */
.hero { padding-block: clamp(32px, 6vw, 80px) clamp(48px, 8vw, 120px); }
.hero h1 { font-size: clamp(40px, 5.6vw, 68px); line-height: 1.06; letter-spacing: -0.035em; max-width: 16ch; }
.hero .lede { margin-top: 24px; max-width: 54ch; font-size: clamp(18px, 1.4vw, 20px); line-height: 1.55; color: var(--ink-2); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 36px; }

/* Sub-page head -------------------------------------------------------- */
.page-head { padding-block: clamp(28px, 5vw, 72px) clamp(16px, 3vw, 32px); }
.page-head h1 { font-size: clamp(36px, 4.8vw, 58px); line-height: 1.08; letter-spacing: -0.03em; max-width: 18ch; }
.page-head .lede { margin-top: 20px; max-width: 56ch; font-size: clamp(18px, 1.4vw, 20px); line-height: 1.55; color: var(--ink-2); }
.page-head .meta { margin-top: 16px; font-size: 15px; color: var(--ink-2); }

/* Sections ------------------------------------------------------------- */
.band { padding-block: clamp(56px, 8vw, 112px); }
.band-shallow, .band-buff { background: var(--paper-1); }
.band-ink { background: var(--graphite); color: var(--paper-0); }
.band-ink .lede { color: var(--paper-2); }
.band h2 { font-size: clamp(30px, 3.4vw, 42px); line-height: 1.1; }
.lede { font-size: 18px; color: var(--ink-2); max-width: 50ch; }
.small { font-size: 15px; color: var(--ink-2); }
.stack > * + * { margin-top: 18px; }
.stack-lg > * + * { margin-top: clamp(40px, 5vw, 64px); }
.bearing { height: 1px; background: var(--paper-2); margin-block: clamp(40px, 5vw, 64px); }

/* Service rows (home) */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 48px; }
.service { border-top: 1px solid var(--paper-3); padding-top: 20px; min-width: 0; }
.service h3 { font-size: 23px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; }
.service h3 a { text-decoration: none !important; }
.service h3 a:hover { color: var(--accent); }
.service p { margin-top: 12px; max-width: 40ch; color: var(--ink-2); }
.service .more { margin-top: 18px; }
@media (max-width: 860px) { .services { grid-template-columns: minmax(0, 1fr); gap: 32px; } }

/* Two-column text sections */
.cols { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px 80px; align-items: start; }
.cols > * { min-width: 0; }
.cols p { max-width: 56ch; }
.cols h3 { font-size: 21px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; }
.cols .stack > h3 + p { margin-top: 8px; color: var(--ink-2); }
@media (max-width: 860px) { .cols { grid-template-columns: minmax(0, 1fr); } }

/* Service detail */
.detail { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 40px 80px; align-items: start; }
.detail > * { min-width: 0; }
.detail-body > * + * { margin-top: 1.1em; }
.detail-body h2 { font-size: clamp(26px, 2.6vw, 32px); line-height: 1.12; margin-top: 2.2em; }
.detail-body h2:first-child { margin-top: 0; }
.detail-body h2 + p { margin-top: .9em; }
.detail-body h2 a { text-decoration: none !important; }
.detail-body h2 a:hover { color: var(--accent); }
.detail-body p { max-width: var(--measure); }

.margin-note { display: grid; gap: 28px; }
.margin-note h4 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.margin-note ul { list-style: none; padding: 0; margin-top: 10px; display: grid; gap: 10px; }
.margin-note li { position: relative; padding-left: 22px; margin: 0; color: var(--ink-2); line-height: 1.45; }
.margin-note li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; background: var(--accent); }
.margin-note p { margin-top: 10px; }
@media (max-width: 860px) { .detail { grid-template-columns: minmax(0, 1fr); } }

/* Steps (approach): a real sequence, so it is numbered */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 28px; max-width: 60ch; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 0 12px; border-top: 1px solid var(--paper-3); padding-top: 20px; margin: 0; }
.steps li::before { content: counter(step); font-weight: 600; font-size: 22px; line-height: 1.2; color: var(--accent); font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 21px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; }
.steps p { margin-top: 8px; color: var(--ink-2); }

/* Contact -------------------------------------------------------------- */
.contact-aside { display: grid; gap: 28px; }
.contact-aside h4 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.contact-aside .email { display: inline-block; margin-top: 8px; font-size: 19px; font-weight: 500; word-break: break-all; }
.form { display: grid; gap: 22px; }
.form label { display: grid; gap: 8px; font-size: 15px; font-weight: 500; }
.form input, .form select, .form textarea {
  width: 100%;
  font: inherit; font-weight: 400; color: var(--ink);
  background: var(--field);
  border: 1px solid var(--paper-2); border-radius: 2px;
  padding: 12px 14px;
}
.form select { appearance: none; -webkit-appearance: none; padding-right: 40px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M2 5l5 5 5-5' fill='none' stroke='%23171E24' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.form textarea { min-height: 160px; resize: vertical; }
.form input:focus-visible, .form select:focus-visible, .form textarea:focus-visible { border-color: var(--accent); outline-offset: 0; }
.form .note { font-size: 15px; color: var(--ink-2); font-weight: 400; }
.form-status { margin-top: 12px; font-size: 15px; color: var(--ink-2); }

/* Legal pages ---------------------------------------------------------- */
.prose { max-width: var(--measure); }
.prose > * + * { margin-top: 1.1em; }
.prose > h2 { margin-top: 2.2em; }
.prose > h2 + * { margin-top: .9em; }
.prose h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; }
.prose h3 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.prose ul { padding-left: 1.2em; }

/* Call to action band -------------------------------------------------- */
.band-ink .wrap.stack > * + * { margin-top: 20px; }
.band-ink h2 { max-width: 22ch; font-size: clamp(28px, 3vw, 38px); }
.band-ink .lede { max-width: 50ch; }
.band-ink p:last-child { margin-top: 28px; }

/* Footer --------------------------------------------------------------- */
.site-footer { background: var(--graphite); color: var(--paper-1); border-top: 1px solid rgba(244, 246, 247, .14); padding-block: 48px 36px; font-size: 15px; }
.site-footer .wrap { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px 48px; }
.site-footer .wrap > * { min-width: 0; }
.site-footer .brand { color: var(--paper-0); }
.site-footer .small { color: var(--paper-2); margin-top: 18px; line-height: 1.55; max-width: 36ch; }
.site-footer h4 { font: 600 13.5px/1.4 var(--font-body); letter-spacing: 0; color: var(--paper-3); margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer li { margin: 0; }
.site-footer a { color: var(--paper-1); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom {
  width: 100%; max-width: 1180px; margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}
.footer-bottom-inner { margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(244, 246, 247, .14); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: 14px; color: var(--paper-3); }
.footer-bottom-inner a { color: var(--paper-3); }
@media (max-width: 720px) {
  .site-footer .wrap { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .site-footer .wrap > :first-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0s !important; }
}