/* ==========================================================================
   CoHomed — website stylesheet
   Source of truth: ../docs/DESIGN_SYSTEM.md
   Every colour, size and radius here comes from that document. Do not invent
   values; if something is missing, add it there first.
   ========================================================================== */

:root {
  /* Sage — the brand */
  --accent:        #4E6B54;
  --accent-deep:   #3B5341;
  --accent-wash:   #EDF1EC;
  --accent-wash-b: #D6E0D5;
  --accent-label:  #7C9280;
  --accent-dash:   #A7BBA9;

  /* On a solid sage field */
  --on-accent:       #FFF9F3;
  --on-accent-label: #B9CBBB;
  --on-accent-body:  #D8E2D9;

  /* Clay — rationed to attention states and chart series only */
  --clay:      #C25A38;
  --clay-deep: #A44526;
  --clay-soft: #D98C6A;

  /* Ink */
  --ink:        #241E19;
  --ink-soft:   #3B322B;
  --body:       #4C4137;
  --body-soft:  #574B41;
  --muted:      #6B5F55;
  --muted-deep: #8C7B68;
  --label:      #A0917F;

  /* Surfaces */
  --canvas:       #FAF6F0;
  --canvas-warm:  #F4EADC;
  --surface:      #FFFCF8;
  --surface-tint: #F6EDE1;
  --surface-alt:  #FBF9F4;
  --surface-lift: #FBF6EE;
  --photo-plate:  #EFE4D6;

  /* Borders */
  --border:        #E8DCCB;
  --border-soft:   #EBDFCF;
  --border-warm:   #EAE0D3;
  --border-strong: #D9C9B6;
  --border-dashed: #C3B4A4;

  /* Data */
  --chart-1: #4E6B54;
  --chart-2: #C25A38;
  --chart-3: #C7B49F;
  --chart-4: #D98C6A;

  /* Shadows — warm-tinted, never neutral black */
  --shadow-btn:       0 12px 28px -14px rgba(72,40,26,.60);
  --shadow-btn-hover: 0 18px 34px -14px rgba(72,40,26,.55);
  --shadow-nav:       0  8px 20px  -8px rgba(72,40,26,.45);
  --shadow-card:      0 30px 60px -24px rgba(40,24,14,.65);
  --shadow-hero:      0 40px 80px -40px rgba(58,36,22,.50);

  --ease: cubic-bezier(.22,.61,.36,1);
  --container: 1240px;
  --gutter: clamp(18px, 4vw, 44px);
}

/* --------------------------------------------------------------- reset -- */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Manrope, system-ui, -apple-system, sans-serif;
  font-size: 17.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
::selection { background: #EBD9C6; }

a { color: var(--accent-deep); text-decoration: none; }
a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------------------------------------------------------- type -- */

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
  text-wrap: balance;
}

h1 { font-size: clamp(42px, 6.6vw, 76px); line-height: 1.06; letter-spacing: -.035em; }
h2 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.10; letter-spacing: -.03em; }
h2.major { font-size: clamp(32px, 4.8vw, 56px); line-height: 1.08; letter-spacing: -.035em; }
h3 { font-size: 22px; line-height: 1.25; letter-spacing: -.02em; }
h4 { font-size: 19px; line-height: 1.3;  letter-spacing: -.018em; }

p { margin: 0; text-wrap: pretty; color: var(--body-soft); }

.lead    { font-size: clamp(17px, 1.35vw, 20px); line-height: 1.62; }
.small   { font-size: 15.5px; line-height: 1.6; }
.caption { font-size: 14.5px; line-height: 1.5; color: var(--muted); }
.fine    { font-size: 13px;   line-height: 1.5; color: var(--muted-deep); }

/* The section opener. Carries a lot of the editorial feel — don't drop it. */
.eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--label);
}

.num { font-variant-numeric: tabular-nums; }

/* -------------------------------------------------------------- layout -- */

.wrap {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(56px, 8vw, 108px); }
section.tint { background: var(--surface-tint); border-block: 1px solid var(--border-warm); }
section.field { background: var(--accent); color: var(--on-accent); }
section.field h2, section.field h3 { color: var(--on-accent); }
section.field p { color: var(--on-accent-body); }
section.field .eyebrow { color: var(--on-accent-label); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(288px, 1fr));
  gap: 18px;
}
.grid.wide { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(24px,3vw,48px); }
.grid.two  { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: clamp(40px,5vw,72px); }

.stack   { display: grid; gap: 14px; }
.stack-l { display: grid; gap: 22px; }
.head    { max-width: 24em; }

/* --------------------------------------------------------------- logo -- */

.logo {
  display: inline-flex;
  align-items: center;
  gap: .38em;
  color: var(--accent);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: -.015em;
}
.logo svg { width: 1.36em; height: 1.36em; flex: none; }
.logo span { color: var(--ink); }
.logo:hover span { color: var(--ink); }

/* ---------------------------------------------------------------- nav -- */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(250,246,240,.82);
  border-bottom: 1px solid var(--border-warm);
}
.nav-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
}
.nav-inner > .logo { flex: none; }

/* The links strip carries the CTA as its last item. On desktop the auto
   margin pushes the CTA to the far right; once the row overflows on narrow
   screens the auto margin collapses and the CTA simply rides along at the
   end of the scroll. One rule, both layouts. */
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 4px 2px;
}
.nav-links::-webkit-scrollbar { display: none; }
/* :not(.nav-cta) matters — the CTA lives inside this strip, and a bare
   `.nav-links a` rule outranks `.btn-primary` on specificity, which would
   repaint the button's label in body brown on sage. Let the button own its
   own colour. */
.nav-links a:not(.nav-cta) { color: var(--body); font-size: 15px; white-space: nowrap; }
.nav-links a:not(.nav-cta):hover,
.nav-links a:not(.nav-cta)[aria-current="page"] { color: var(--ink); }

.nav-cta {
  margin-left: auto;
  flex: none;
  white-space: nowrap;
}

/* Below this the row cannot hold the wordmark and a readable set of links at
   the same time. The mark alone still reads as the logo, and buys back
   roughly 110px — enough for "How it works" to stop clipping mid-word. */
@media (max-width: 560px) {
  .nav-inner { gap: 14px; }
  .nav-inner > .logo span { display: none; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.nav-cta) { font-size: 14.5px; }
}

/* ------------------------------------------------------------- buttons -- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 999px;
  padding: 15px 24px;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: var(--shadow-btn); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-btn-hover); color: var(--on-accent); }
.btn-primary:active { background: var(--accent-deep); transform: translateY(0); }

.btn-secondary {
  background: rgba(255,255,255,.5);
  border: 1px solid var(--border-strong);
  color: var(--ink);
}
.btn-secondary:hover { background: #fff; border-color: var(--ink); color: var(--ink); }

.btn-on-accent { background: var(--on-accent); color: var(--accent-deep); }
.btn-on-accent:hover { background: var(--surface-lift); color: var(--accent-deep); transform: translateY(-2px); }

.btn-sm { padding: 10px 18px; font-size: 15px; }

/* Anything not yet wired up */
.btn-placeholder {
  background: rgba(255,255,255,.5);
  border: 1px dashed var(--border-dashed);
  border-radius: 14px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 20px;
}
.btn-placeholder:hover { border-color: var(--ink); color: var(--ink); }
.btn-placeholder .tag {
  font-size: 11px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--label);
}

/* --------------------------------------------------------------- cards -- */

.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 26px;
}
.card.lift { transition: transform .3s var(--ease), box-shadow .3s ease; }
.card.lift:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.card .ico { color: var(--accent); margin-bottom: 15px; }
.card h3, .card h4 { margin-bottom: 8px; }
.card p { font-size: 15.5px; line-height: 1.6; }

.card-outline { background: rgba(255,255,255,.5); border: 1px solid var(--border); border-radius: 20px; padding: clamp(22px,2.4vw,32px); }
.card-tint    { background: var(--surface-tint); border: 1px solid var(--border-warm); border-radius: 20px; padding: clamp(22px,2.4vw,32px); }

/* The sage wash panel, with the signature asymmetric corner */
.panel-wash {
  position: relative;
  overflow: hidden;
  background: var(--accent-wash);
  border: 1px solid var(--accent-wash-b);
  border-radius: 22px 22px 22px 6px;
  padding: clamp(24px, 3vw, 34px);
}
.panel-wash .eyebrow { color: var(--accent-label); }
.panel-wash::before,
.panel-wash::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(78,107,84,.20);
  pointer-events: none;
}
.panel-wash::before { right: -52px; top: -52px; width: 190px; height: 190px; }
.panel-wash::after  { right: -14px; top: -14px; width: 120px; height: 120px; border-color: rgba(78,107,84,.14); }

.panel-field {
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 22px 22px 22px 6px;
  padding: clamp(26px, 3vw, 38px);
}
.panel-field .eyebrow { color: var(--on-accent-label); }
.panel-field p { color: var(--on-accent-body); }
.panel-field h2, .panel-field h3 { color: var(--on-accent); }

.note {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted-deep);
}

/* ---------------------------------------------------------------- bits -- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.6);
  border-radius: 999px;
  padding: 7px 14px 7px 11px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.ticks { display: grid; gap: 11px; padding: 0; margin: 0; list-style: none; }
.ticks li { display: flex; gap: 11px; align-items: flex-start; font-size: 15.5px; line-height: 1.55; color: var(--ink-soft); }
.ticks svg { flex: none; margin-top: 3px; color: var(--accent); }
.panel-field .ticks li { color: var(--on-accent-body); }
.panel-field .ticks svg { color: var(--on-accent); }

.steps { counter-reset: step; display: grid; gap: 18px; }
.step-n {
  font-size: 13px; font-weight: 700; letter-spacing: .09em;
  text-transform: uppercase; color: var(--accent);
}

.stat { display: grid; gap: 4px; }
.stat .v { font-size: 30px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.stat .k { font-size: 14.5px; color: var(--label); }

.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 22px 0; font-size: 18px; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--label); font-weight: 400; }
.faq details[open] summary::after { content: "\2013"; }
.faq details > p { padding-bottom: 22px; max-width: 62ch; font-size: 16px; }

/* -------------------------------------------------------------- photos --
   Photographs sit on a warm plate, wear the asymmetric corner, and take a
   scrim from the bottom so type can overlay without fighting the image.
   ----------------------------------------------------------------------- */

.photo {
  position: relative;
  overflow: hidden;
  background: var(--photo-plate);
  border-radius: 24px 24px 24px 6px;
  box-shadow: var(--shadow-hero);
}
.photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45,26,16,.34), rgba(45,26,16,0) 46%);
  pointer-events: none;
}
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.photo.tall  { aspect-ratio: 4 / 4.6; }
.photo.wide  { aspect-ratio: 16 / 9; }
.photo.square{ aspect-ratio: 1 / 1; }
.photo.band  { aspect-ratio: 21 / 8; border-radius: 26px 26px 26px 6px; }
.photo.flat  { box-shadow: none; }

/* Caption sitting over the scrim */
.photo .over {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: clamp(18px, 3vw, 30px);
  color: var(--on-accent);
  font-size: 15.5px;
  line-height: 1.5;
  z-index: 1;
}
.photo .over strong { display: block; font-size: 19px; margin-bottom: 4px; }

/* ---- real app screenshots ----
   These are 1080×2400 device captures with the bezel and rounded corners
   already baked in, so they need no frame of their own — just a radius that
   clips the black corner masking, and the warm shadow.
   ----------------------------------------------------------------------- */

.shot {
  display: block;
  width: 100%;
  max-width: 280px;
  /* The <img> carries width/height attributes for layout stability; without
     height:auto the browser honours the literal 2400px and the image renders
     enormous. */
  height: auto;
  border-radius: 26px;
  box-shadow: var(--shadow-hero);
  background: var(--canvas);
}

.shots {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
  align-items: flex-start;
  justify-content: center;
}
.shots figure { margin: 0; max-width: 280px; }
.shots figcaption {
  margin-top: 18px;
  text-align: center;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* Hero composition: photograph as the plate, app overlapping its lower-left.
   The phone is 9:20, so at 190px wide it stands ~422px tall — comfortably
   inside the 4:4.6 plate without spilling past the section. */
.hero-media { position: relative; }
.hero-media .shot {
  position: absolute;
  left: clamp(-14px, -2vw, -4px);
  bottom: clamp(-26px, -2.2vw, -14px);
  width: clamp(146px, 17vw, 194px);
  max-width: none;
  z-index: 1;
  box-shadow: 0 30px 60px -24px rgba(40,24,14,.65);
}

@media (max-width: 900px) {
  .hero-media .photo.tall { aspect-ratio: 4 / 3.6; }
  .hero-media .shot { width: clamp(132px, 22vw, 168px); }
}
@media (max-width: 640px) {
  .hero-media .photo.tall { aspect-ratio: 4 / 3.2; }
  .hero-media .shot { width: 124px; bottom: -10px; left: -4px; }
}

/* Alternating step rows: image one side, copy the other */
.alt-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}
.alt-row.flip > .alt-media { order: 2; }
@media (max-width: 719px) {
  .alt-row.flip > .alt-media { order: 0; }
}

/* Big numeral beside a step heading */
.step-big {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}
.step-big .n {
  font-size: clamp(38px, 5vw, 54px);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -.04em;
  color: var(--accent-wash-b);
  font-variant-numeric: tabular-nums;
}
.step-big .l {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Small inline detail list under a step */
.detail {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding: 0;
  list-style: none;
}
.detail li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--body-soft);
}
.detail svg { flex: none; margin-top: 4px; color: var(--accent); }

/* -------------------------------------------------------------- footer -- */

.footer { background: var(--ink); color: #CBBBA6; }
.footer .wrap { padding-block: clamp(48px,6vw,80px) 34px; }
.footer a { color: #CBBBA6; font-size: 15.5px; }
.footer a:hover { color: var(--surface-lift); }
.footer h4 { color: var(--surface-lift); font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 14px; }
.footer .logo span { color: var(--surface-lift); }
.footer .logo { color: var(--surface-lift); }
.footer p { color: #CBBBA6; }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: clamp(28px,4vw,56px); }
.footer-links { display: grid; gap: 10px; }
.footer-base {
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid rgba(203,187,166,.22);
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between;
  font-size: 13px; color: #9A8B7C;
}

/* -------------------------------------------------------------- motion -- */

@keyframes rise   { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

.rise { animation: rise .62s var(--ease) both; }
.rise-1 { animation-delay: .08s; }
.rise-2 { animation-delay: .18s; }
.rise-3 { animation-delay: .28s; }

/* Scroll reveals.
   Gated behind .js, which is set on <html> by an inline script in the head.
   Content is therefore visible by default — if the script never runs, or the
   observer never fires, the page still reads. Hiding content behind a script
   that might not run is how a whole page silently disappears. */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .42s ease, transform .42s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; }

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

/* ------------------------------------------------------------ a11y bits -- */

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: var(--on-accent);
  padding: 12px 20px; border-radius: 0 0 12px 0; z-index: 100;
}
.skip:focus { left: 0; top: 0; color: var(--on-accent); }

.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;
}