/* ==========================================================================
   Last Mile Solar — site.css
   Plain CSS, no build step. Mobile-first. Works from file://.
   Palette: sand / ink / clay (terracotta) / amber (sun) / deep-water teal.
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */

:root {
  /* Light (default) */
  --bg:          #f7f2e8;
  --bg-alt:      #efe7d8;
  --surface:     #fffdf8;
  --ink:         #201a14;
  --ink-muted:   #594d42;
  --line:        #ded2c0;
  --line-strong: #c4b49c;

  --clay:        #a8431e;   /* primary accent: terracotta */
  --clay-deep:   #7d3115;
  --clay-wash:   #f6e6dd;
  --amber:       #d9922b;   /* sun */
  --amber-wash:  #fbf0d9;
  --teal:        #14595b;   /* deep water */
  --teal-wash:   #e0eded;

  --focus:       #14595b;

  --radius:      3px;
  --radius-lg:   6px;
  --shadow:      0 1px 2px rgba(32, 26, 20, .06), 0 8px 24px -12px rgba(32, 26, 20, .18);
  --shadow-lift: 0 2px 4px rgba(32, 26, 20, .07), 0 18px 40px -20px rgba(32, 26, 20, .3);

  --font-body:   -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-mono:   ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Type scale — ~1.22 ratio, fluid from --t-1 up so mobile is never cramped
     and desktop gets real display sizes. */
  --t--2: 0.75rem;
  --t--1: 0.8125rem;
  --t-0:  1.0625rem;
  --t-1:  clamp(1.125rem,   1.06rem + 0.30vw, 1.25rem);
  --t-2:  clamp(1.3125rem,  1.20rem + 0.55vw, 1.5rem);
  --t-3:  clamp(1.5rem,     1.30rem + 1.00vw, 1.875rem);
  --t-4:  clamp(1.875rem,   1.45rem + 2.10vw, 2.625rem);
  --t-5:  clamp(2.25rem,    1.50rem + 3.60vw, 3.75rem);

  /* Vertical rhythm */
  --lh-display: 1.08;
  --lh-head:    1.22;
  --ease:       cubic-bezier(.2, .7, .3, 1);

  --wrap:   68rem;
  --wrap-n: 44rem;   /* narrow / prose */
  --gap:    1.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #17120d;
    --bg-alt:      #1f1811;
    --surface:     #221b14;
    --ink:         #f3ebdf;
    --ink-muted:   #bdae9b;
    --line:        #3a3025;
    --line-strong: #55483a;

    --clay:        #e4794b;
    --clay-deep:   #f09770;
    --clay-wash:   #2c1c14;
    --amber:       #e9b057;
    --amber-wash:  #2a2013;
    --teal:        #59aaa6;
    --teal-wash:   #14251f;

    --focus:       #e9b057;
    --shadow:      0 1px 2px rgba(0, 0, 0, .4), 0 10px 26px -14px rgba(0, 0, 0, .7);
    --shadow-lift: 0 2px 6px rgba(0, 0, 0, .5), 0 20px 44px -22px rgba(0, 0, 0, .85);
  }
}

/* --- 2. Reset / base ---------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--t-0)/1.65 var(--font-body);
  text-rendering: optimizeLegibility;
}

img, svg, figure { max-width: 100%; }
img { height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-head);
  letter-spacing: -0.015em;
  margin: 0 0 .5em;
  text-wrap: balance;
}
/* Display sizes carry tighter leading and optical tracking; small headings
   need the opposite or they set too tight to read. */
h1 { font-size: var(--t-5); line-height: var(--lh-display); letter-spacing: -0.025em; }
h2 { font-size: var(--t-4); line-height: 1.14; letter-spacing: -0.021em; }
h3 { font-size: var(--t-2); }
h4 { font-size: var(--t-1); letter-spacing: -0.008em; }

p, ul, ol, dl, table { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.15em; }
li { margin-bottom: .4em; }

a { color: var(--clay); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--clay-deep); }

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

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: .75rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0; }


/* --- 3. Layout ---------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.15rem, 4vw, 1.75rem);
}
.wrap--narrow { max-width: var(--wrap-n); }

#main { scroll-margin-top: 5rem; }

.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--tint { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section--ink  { background: var(--ink); color: var(--bg); }
.section--ink h2, .section--ink h3 { color: var(--bg); }
.section--ink p { color: color-mix(in srgb, var(--bg) 82%, var(--ink)); }

.stack > * + * { margin-top: 1rem; }

/* Editorial kicker: a short rule then the label. This little mark, repeated at
   the head of every section, is what makes the page read as a document rather
   than a stack of template blocks. */
.eyebrow {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-body);
  font-size: var(--t--2);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 .85rem;
}
.eyebrow::before {
  content: "";
  flex: 0 0 auto;
  width: 1.6rem;
  height: 2px;
  background: currentColor;
}
.section--ink .eyebrow { color: var(--amber); }

.lede {
  font-size: var(--t-1);
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 46ch;
  text-wrap: pretty;
}
.section--ink .lede { color: color-mix(in srgb, var(--bg) 78%, var(--ink)); }

.measure { max-width: 68ch; }

/* --- 4. Header / nav ---------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  min-height: 62px;
}

.brand {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.075rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.05;
}
.brand:hover { color: var(--ink); }
.brand__mark { flex: 0 0 auto; }
.brand__name { display: block; }
.brand__name small {
  display: block;
  font-family: var(--font-body);
  font-size: .625rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: .15rem;
}

.nav-toggle {
  display: inline-flex; align-items: center; gap: .45rem;
  font: 600 var(--t--1)/1 var(--font-body);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: .6rem .7rem;
  min-height: 42px;
  cursor: pointer;
}
/* Only revealed by JS — a dead button is worse than none. Footer nav is the
   no-JS fallback. */
.nav-toggle[hidden] { display: none; }
.nav-toggle__bars { display: block; width: 16px; height: 10px; position: relative; }
.nav-toggle__bars::before,
.nav-toggle__bars::after,
.nav-toggle__bars span {
  content: ""; position: absolute; left: 0; right: 0; height: 2px;
  background: currentColor; transition: transform .18s ease, opacity .18s ease;
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars span    { top: 4px; }
.nav-toggle__bars::after  { top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span    { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { transform: translateY(-4px) rotate(-45deg); }

.site-nav { display: none; }
.site-nav.is-open {
  display: block;
  padding-bottom: 1rem;
  border-top: 1px solid var(--line);
  margin-top: -1px;
}
.site-nav__list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
}
.site-nav__list a {
  display: block;
  padding: .8rem .25rem;
  min-height: 44px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.site-nav__list a:hover { color: var(--clay); }
.site-nav__list a[aria-current="page"] { color: var(--clay); }
.site-nav__list .btn { border-bottom: 0; margin-top: 1rem; text-align: center; }

@media (min-width: 56rem) {
  /* Brand and nav share one row once there is space for it. */
  .site-header .wrap {
    display: flex; align-items: center; justify-content: space-between;
    gap: 2rem;
  }
  .site-header__bar { flex: 0 0 auto; min-height: 68px; }
  .nav-toggle { display: none; }
  .site-nav { display: block !important; border: 0; padding: 0; margin: 0; }
  .site-nav__list { flex-direction: row; align-items: center; gap: .35rem; }
  .site-nav__list a {
    border-bottom: 0;
    padding: .5rem .7rem;
    font-size: var(--t--1);
    letter-spacing: .06em;
    text-transform: uppercase;
    border-radius: var(--radius);
  }
  .site-nav__list a[aria-current="page"] {
    background: var(--clay-wash);
    color: var(--clay);
  }
  .site-nav__list .btn { margin: 0 0 0 .5rem; text-transform: uppercase; }
}

/* --- 5. Buttons --------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 46px;
  padding: .7rem 1.25rem;
  font: 700 var(--t--2)/1.2 var(--font-body);
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.btn--primary { background: var(--clay); color: #fff; box-shadow: 0 1px 2px rgba(32, 26, 20, .18); }
.btn--primary:hover { background: var(--clay-deep); color: #fff; box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.section--ink .btn--ghost { color: var(--bg); border-color: color-mix(in srgb, var(--bg) 45%, transparent); }
.section--ink .btn--ghost:hover { border-color: var(--bg); color: var(--bg); }

.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }
/* On the narrowest phones a two-button row would otherwise squeeze both to
   unreadable width; let them go full-bleed instead. */
@media (max-width: 24rem) {
  .btn-row .btn { flex: 1 1 100%; }
}

@media (prefers-color-scheme: dark) {
  .btn--primary { color: #1a0f08; }
  .btn--primary:hover { background: var(--amber); color: #1a0f08; }
}

/* --- 6. Badges / callouts ----------------------------------------------- */

.badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font: 700 var(--t--1)/1 var(--font-body);
  letter-spacing: .09em; text-transform: uppercase;
  padding: .5rem .75rem;
  border-radius: 999px;
  background: var(--teal-wash);
  color: var(--teal);
  border: 1px solid color-mix(in srgb, var(--teal) 35%, transparent);
}
.badge--sun { background: var(--amber-wash); color: var(--clay-deep); border-color: color-mix(in srgb, var(--amber) 55%, transparent); }
@media (prefers-color-scheme: dark) {
  .badge--sun { color: var(--amber); }
}

/* Placeholder / TIM markers — deliberately loud so nothing ships unfilled. */
.tim {
  font-family: var(--font-mono);
  font-size: .85em;
  background: repeating-linear-gradient(
    45deg, var(--amber-wash), var(--amber-wash) 6px,
    color-mix(in srgb, var(--amber) 22%, var(--amber-wash)) 6px,
    color-mix(in srgb, var(--amber) 22%, var(--amber-wash)) 12px);
  color: var(--clay-deep);
  border: 1px dashed var(--amber);
  border-radius: var(--radius);
  padding: .05em .4em;
  white-space: normal;
}
@media (prefers-color-scheme: dark) { .tim { color: var(--amber); } }

.note {
  border-left: 3px solid var(--amber);
  background: var(--amber-wash);
  padding: .9rem 1rem;
  font-size: var(--t--1);
  color: var(--ink-muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.note strong { color: var(--ink); }

/* --- 7. Placeholder images ---------------------------------------------- */

.ph {
  position: relative;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background-color: var(--bg-alt);
  background-image: repeating-linear-gradient(
    135deg, transparent, transparent 9px,
    color-mix(in srgb, var(--line-strong) 45%, transparent) 9px,
    color-mix(in srgb, var(--line-strong) 45%, transparent) 10px);
  color: var(--ink-muted);
  overflow: hidden;
}
.ph__label {
  display: block;
  max-width: 34ch;
  font: 600 var(--t--1)/1.45 var(--font-mono);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: .55rem .75rem;
  color: var(--ink);
}
.ph__label span { display: block; font-weight: 400; color: var(--ink-muted); margin-top: .25rem; }
.ph--hero  { aspect-ratio: 3 / 2; }
.ph--tile  { aspect-ratio: 4 / 3; }
.ph--square{ aspect-ratio: 1 / 1; }

/* --- 7b. Real photographs ----------------------------------------------- */

.fig { margin: 0; }
.fig__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
}
/* Standalone figures sit slightly off the page; figures inside cards reset
   this below, since the card already provides the elevation. */
.fig > .fig__img { box-shadow: var(--shadow); }
.fig--hero   .fig__img { aspect-ratio: 3 / 2; object-fit: cover; }
.fig--tile   .fig__img { aspect-ratio: 4 / 3; object-fit: cover; }
.fig--square .fig__img { aspect-ratio: 1 / 1; object-fit: cover; }
/* Renders on transparent backgrounds must not be cropped. */
.fig--contain .fig__img { object-fit: contain; padding: .75rem; }
.fig__cap {
  margin-top: .65rem;
  padding-left: .8rem;
  border-left: 2px solid var(--line-strong);
  font: 400 var(--t--1)/1.5 var(--font-body);
  color: var(--ink-muted);
  text-wrap: pretty;
}
.card .fig__img { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); box-shadow: none; }
.card .fig__cap { margin: 0; padding: .6rem 1.3rem 0 1.3rem; border-left: 0; }

/* --- 8. Hero ------------------------------------------------------------ */

.hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 8%, var(--amber-wash) 0%, transparent 58%),
    var(--bg);
}
.hero__inner {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
  padding-block: clamp(2.5rem, 8vw, 5rem);
}
.hero h1 { margin-bottom: .35em; }
@media (min-width: 56rem) {
  .hero__inner { grid-template-columns: 1.05fr .95fr; align-items: center; }
}

/* --- 8b. Photographic hero ---------------------------------------------
   A real field photo carries the page; the scrim below is opaque enough that
   light text clears WCAG AA over ANY photo pixel, not just the dark ones. */

.hero--photo {
  position: relative;
  isolation: isolate;
  background: #14100b;
  border-bottom: 0;
  overflow: hidden;
}
.hero--photo .hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero--photo .hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  border: 0;
  border-radius: 0;
}
/* Two stacked layers: a flat floor that guarantees the contrast ratio, then a
   directional gradient that gives the image somewhere to breathe. */
.hero--photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, rgba(20, 16, 11, .95) 0%, rgba(20, 16, 11, .74) 46%, rgba(20, 16, 11, .62) 100%);
}
.hero--photo .hero__inner {
  grid-template-columns: 1fr;
  padding-block: clamp(3.25rem, 11vw, 7rem);
  gap: 0;
}
/* Constrain the headline on the headline itself: a ch-based max-width on the
   container would resolve against the container's 17px body font and crush the
   display type down to a third of its intended measure. */
.hero--photo .hero__content { max-width: 40rem; }
.hero--photo .eyebrow { color: var(--amber); }
.hero--photo h1 { color: #fff8ec; max-width: 15ch; }
.hero--photo .lede {
  color: #ece2d2;
  max-width: 48ch;
}
.hero--photo .btn--ghost { color: #fff8ec; border-color: rgba(255, 248, 236, .5); }
.hero--photo .btn--ghost:hover { border-color: #fff8ec; color: #fff8ec; }
.hero--photo .badge--sun {
  background: rgba(20, 16, 11, .55);
  color: #f2c675;
  border-color: rgba(233, 176, 87, .6);
}

/* Photo credit stays on the page — attribution is not decoration. */
.hero__credit {
  position: relative;
  margin: 0;
  padding-block: .85rem 1.1rem;
  font: 400 var(--t--1)/1.5 var(--font-body);
  color: #d8cbb8;
  border-top: 1px solid rgba(255, 248, 236, .16);
}

@media (min-width: 56rem) {
  .hero--photo .hero__inner { grid-template-columns: 1fr; }
  .hero--photo .hero__content { max-width: 44rem; }
  .hero--photo::before {
    background:
      linear-gradient(to right, rgba(20, 16, 11, .95) 0%, rgba(20, 16, 11, .86) 42%, rgba(20, 16, 11, .5) 78%, rgba(20, 16, 11, .42) 100%),
      linear-gradient(to top, rgba(20, 16, 11, .5), transparent 55%);
  }
}

.page-head {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 92% 0%, var(--amber-wash) 0%, transparent 62%),
    var(--bg-alt);
  padding-block: clamp(2.25rem, 6vw, 4rem);
}
.page-head h1 { font-size: var(--t-4); margin-bottom: .3em; max-width: 20ch; }
.page-head .lede { max-width: 52ch; }

/* Breadcrumbs */
.crumbs {
  font-size: var(--t--1);
  color: var(--ink-muted);
  margin-bottom: .9rem;
}
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.crumbs li + li::before { content: "/"; margin-right: .4rem; color: var(--line-strong); }

/* --- 9. Cards / grids --------------------------------------------------- */

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
@media (min-width: 40rem) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 60rem) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
/* Sun-to-clay rule along the top edge — the palette's identity, drawn rather
   than dropped in as a slab of colour. It widens on hover. */
.card::after {
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(to right, var(--amber), var(--clay) 62%, var(--clay-deep));
  transform: scaleX(1);
  transform-origin: left;
  transition: height .2s var(--ease);
  z-index: 1;
}
a.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
a.card:hover::after { height: 4px; }
a.card:hover .card__title { color: var(--clay); }
a.card:focus-visible { transform: translateY(-3px); }
.card .ph { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); }
.card__media { overflow: hidden; }
.card__body { padding: 1.25rem 1.3rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.card__title { font-family: var(--font-display); font-size: var(--t-2); margin: 0 0 .45rem; line-height: 1.2; }
.card__body p { color: var(--ink-muted); font-size: var(--t--1); margin-bottom: 1.15rem; }
.card__more {
  margin-top: auto;
  font: 700 var(--t--2)/1 var(--font-body);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--clay);
}
/* Slow push-in on the card image; disabled wholesale by the reduced-motion
   block at the foot of this file. */
a.card .fig__img { transition: transform .45s var(--ease); }
a.card:hover .fig__img { transform: scale(1.035); }

/* Numbered / iconless feature list — avoids the identical-card look */
.pillars { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.75rem; }
@media (min-width: 48rem) { .pillars { grid-template-columns: repeat(3, 1fr); gap: 2.25rem; } }
.pillars li { margin: 0; padding-top: 1rem; border-top: 2px solid var(--line-strong); }
.pillars h3 { font-size: var(--t-1); margin-bottom: .35rem; }
.pillars p { font-size: var(--t--1); color: var(--ink-muted); margin: 0; }
.section--ink .pillars li { border-top-color: color-mix(in srgb, var(--bg) 35%, transparent); }
.section--ink .pillars p { color: color-mix(in srgb, var(--bg) 72%, var(--ink)); }

/* Use-case chips */
.usecases { list-style: none; padding: 0; margin: 0; display: grid; gap: .85rem; }
@media (min-width: 40rem) { .usecases { grid-template-columns: repeat(2, 1fr); } }
.usecases li {
  margin: 0; padding: .9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--t--1);
}
.usecases strong { display: block; font-size: var(--t-0); font-family: var(--font-display); }

/* --- 10. Spec table ----------------------------------------------------- */

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 1.25rem; }

.spec-table {
  width: 100%;
  min-width: 32rem;
  border-collapse: collapse;
  font-size: var(--t--1);
  background: var(--surface);
  border: 1px solid var(--line);
}
.spec-table caption {
  caption-side: top;
  text-align: left;
  font: 700 var(--t--1)/1.4 var(--font-body);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-muted);
  padding-bottom: .6rem;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: .7rem .9rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec-table thead th {
  background: var(--bg-alt);
  font-size: var(--t--1);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.spec-table tbody th { font-weight: 600; width: 42%; }
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td { border-bottom: 0; }

/* --- 11. FAQ ------------------------------------------------------------ */

.faq { border-top: 1px solid var(--line); }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: .35rem 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: .9rem 2rem .9rem 0;
  position: relative;
  font-family: var(--font-display);
  font-size: var(--t-1);
  font-weight: 700;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: .25rem; top: .8rem;
  font-family: var(--font-body);
  font-size: 1.4rem; line-height: 1;
  color: var(--clay);
}
.faq details[open] summary::after { content: "\2013"; }
.faq details > *:not(summary) { font-size: var(--t--1); color: var(--ink-muted); max-width: 68ch; }
.faq details > p:last-child { padding-bottom: .8rem; }

/* --- 12. Forms ---------------------------------------------------------- */

.form { max-width: 40rem; }
.field { margin-bottom: 1.15rem; }
.field label {
  display: block;
  font: 600 var(--t--1)/1.4 var(--font-body);
  letter-spacing: .04em;
  margin-bottom: .35rem;
}
.field .req { color: var(--clay); }
.field .hint { display: block; font-weight: 400; color: var(--ink-muted); margin-top: .15rem; }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: .65rem .8rem;
  font: 400 var(--t-0)/1.5 var(--font-body);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.field textarea { min-height: 8rem; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--focus); }

.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--clay); background: var(--clay-wash); }

.field-error {
  display: none;
  margin-top: .35rem;
  font: 600 var(--t--1)/1.4 var(--font-body);
  color: var(--clay);
}
.field.has-error .field-error { display: block; }

.checkbox-row { display: flex; gap: .65rem; align-items: flex-start; }
.checkbox-row input { width: auto; min-height: 0; margin-top: .35rem; }
.checkbox-row label { font-weight: 400; }

.form-status {
  display: none;
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--bg-alt);
  font-size: var(--t--1);
}
.form-status.is-visible { display: block; }
.form-status.is-error { border-color: var(--clay); background: var(--clay-wash); color: var(--clay-deep); }
.form-status.is-ok { border-color: var(--teal); background: var(--teal-wash); }
@media (prefers-color-scheme: dark) {
  .form-status.is-error { color: var(--clay); }
}

/* --- 13. CTA band ------------------------------------------------------- */

.cta {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 5vw, 2.75rem);
}
.cta h2 { color: var(--bg); font-size: var(--t-3); margin-bottom: .4em; }
.cta p { color: color-mix(in srgb, var(--bg) 80%, var(--ink)); max-width: 52ch; }
.cta .btn--ghost { color: var(--bg); border-color: color-mix(in srgb, var(--bg) 45%, transparent); }
.cta .btn--ghost:hover { border-color: var(--bg); }

/* --- 14. Footer --------------------------------------------------------- */

.site-footer {
  margin-top: clamp(3rem, 8vw, 5rem);
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding-block: 2.75rem 2rem;
  font-size: var(--t--1);
}
.site-footer__cols { display: grid; gap: 2rem; }
@media (min-width: 48rem) {
  .site-footer__cols { grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
}
.site-footer h2 {
  font-family: var(--font-body);
  font-size: var(--t--1);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: .8rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .45rem; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--clay); text-decoration: underline; }
.site-footer p { color: var(--ink-muted); max-width: 40ch; }
.site-footer__legal {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  justify-content: space-between;
}
.site-footer__legal p { margin: 0; max-width: none; }

/* --- 15. Misc ----------------------------------------------------------- */

.prose h2 { font-size: var(--t-3); margin-top: 2.25rem; }
.prose h3 { font-size: var(--t-1); margin-top: 1.75rem; }
.prose > p, .prose > ul, .prose > ol { max-width: 68ch; }

.pull {
  font-family: var(--font-display);
  font-size: var(--t-2);
  line-height: 1.35;
  border-left: 3px solid var(--amber);
  padding: .25rem 0 .25rem 1.25rem;
  margin: 2rem 0;
  color: var(--ink);
  max-width: 34ch;
}

.h-sm { font-size: var(--t-3); }
.mt-2 { height: 2rem; }

.link-cols { list-style: none; padding: 0; margin: 1.25rem 0 0; max-width: 44rem; }
.link-cols li { margin-bottom: .55rem; }
@media (min-width: 34rem) { .link-cols { columns: 2; column-gap: 2rem; } }

.kv { display: grid; gap: .35rem 1.25rem; margin: 0 0 1.5rem; }
@media (min-width: 34rem) { .kv { grid-template-columns: max-content 1fr; } }
.kv dt { font-weight: 700; font-size: var(--t--1); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-muted); }
.kv dd { margin: 0 0 .6rem; }

/* --- 15b. Guide / explainer page ---------------------------------------- */

/* In-page contents list — a guide long enough to need one should have one. */
.toc {
  margin: 0 0 2.5rem;
  padding: 1.15rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.toc h2 {
  font-family: var(--font-body);
  font-size: var(--t--2);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 .7rem;
}
.toc ol { margin: 0; padding-left: 1.2em; font-size: var(--t--1); }
.toc li { margin-bottom: .35em; }

/* Numbered checklist — the "gather this before you ask for a quote" list.
   Counter-driven so the numbers are a design element, not list-item defaults. */
.checklist {
  list-style: none;
  counter-reset: check;
  padding: 0;
  margin: 1.75rem 0 0;
  display: grid;
  gap: 1rem;
}
@media (min-width: 44rem) { .checklist { grid-template-columns: repeat(2, 1fr); gap: 1.15rem; } }
.checklist li {
  counter-increment: check;
  position: relative;
  margin: 0;
  padding: 1.1rem 1.15rem 1.15rem 3.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  font-size: var(--t--1);
  color: var(--ink-muted);
}
.checklist li::before {
  content: counter(check);
  position: absolute;
  left: 1.1rem;
  top: 1.05rem;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--amber-wash);
  border: 1px solid color-mix(in srgb, var(--amber) 55%, transparent);
  font: 700 var(--t--2)/1 var(--font-body);
  color: var(--clay-deep);
}
@media (prefers-color-scheme: dark) { .checklist li::before { color: var(--amber); } }
.checklist strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--t-1);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: .3rem;
}

/* Term / definition pairs for the head-and-flow explainer. */
.terms { display: grid; gap: 1.25rem; margin: 1.75rem 0 0; }
@media (min-width: 44rem) { .terms { grid-template-columns: repeat(2, 1fr); gap: 1.75rem; } }
.terms > div { padding-top: .9rem; border-top: 2px solid var(--line-strong); }
.terms h3 { font-size: var(--t-1); margin-bottom: .35rem; }
.terms p { font-size: var(--t--1); color: var(--ink-muted); margin: 0; }

/* "Keep reading" link card, used to point at the guide from product pages. */
.learn-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .85rem 1.5rem;
  justify-content: space-between;
  padding: 1.15rem 1.3rem;
  background: var(--teal-wash);
  border: 1px solid color-mix(in srgb, var(--teal) 30%, transparent);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.learn-link:hover { border-color: var(--teal); color: inherit; }
.learn-link__label {
  display: block;
  font: 700 var(--t--2)/1 var(--font-body);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .4rem;
}
.learn-link__title {
  display: block;
  max-width: 46ch;
  font-family: var(--font-display);
  font-size: var(--t-1);
  font-weight: 700;
  line-height: 1.25;
}
.learn-link__go {
  font: 700 var(--t--2)/1 var(--font-body);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay);
}

/* --- 15c. 404 ------------------------------------------------------------ */

.error-page {
  padding-block: clamp(3.5rem, 12vw, 7rem);
  background:
    radial-gradient(80% 120% at 85% 0%, var(--amber-wash) 0%, transparent 60%),
    var(--bg);
}
.error-page__code {
  font: 700 var(--t--2)/1 var(--font-mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 1rem;
}
.error-page h1 { max-width: 16ch; }

/* --- 15d. System designer (tools/) ---------------------------------------
   One slot, two states. `.app-soon` holds the place while the interactive
   designer is being prepared; `.app-frame` is the finished embed. They are
   sized alike deliberately, so activating the app does not reflow the page
   around it. See the commented embed block in tools/index.html. */

.app-soon {
  margin: 0;
  padding: clamp(1rem, 3.5vw, 1.75rem);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background-color: var(--bg-alt);
  background-image: repeating-linear-gradient(
    135deg, transparent, transparent 9px,
    color-mix(in srgb, var(--line-strong) 45%, transparent) 9px,
    color-mix(in srgb, var(--line-strong) 45%, transparent) 10px);
}
/* The inner card lifts the copy off the hatch so it stays readable — same
   move as .ph__label, at panel scale. */
.app-soon__panel {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 4vw, 2rem);
}
.app-soon__status {
  display: inline-flex; align-items: center; gap: .5rem;
  font: 700 var(--t--2)/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clay-deep);
  background: var(--amber-wash);
  border: 1px solid color-mix(in srgb, var(--amber) 55%, transparent);
  border-radius: 999px;
  padding: .45rem .75rem;
  margin: 0 0 1rem;
}
@media (prefers-color-scheme: dark) { .app-soon__status { color: var(--amber); } }
.app-soon h2 { font-size: var(--t-3); margin-bottom: .4em; }
.app-soon p { color: var(--ink-muted); max-width: 60ch; }
.app-soon__next {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}
@media (min-width: 44rem) { .app-soon__next { grid-template-columns: repeat(2, 1fr); } }
.app-soon__next li {
  margin: 0;
  padding: 1rem 1.1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--t--1);
  color: var(--ink-muted);
}
.app-soon__next strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--t-1);
  color: var(--ink);
  margin-bottom: .25rem;
}

/* The live embed. Height tracks the viewport so the designer gets the room it
   needs, capped so it never dwarfs the page on a tall desktop display. */
.app-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.app-frame iframe {
  display: block;
  width: 100%;
  height: min(100vh - 5rem, 48rem);
  height: min(100dvh - 5rem, 48rem);
  min-height: 32rem;
  border: 0;
}
/* On a phone the designer needs every pixel: break it out of the wrap padding
   and drop the side borders so it runs edge to edge. */
@media (max-width: 40rem) {
  .app-frame {
    margin-inline: calc(clamp(1.15rem, 4vw, 1.75rem) * -1);
    border-inline: 0;
    border-radius: 0;
  }
}
/* Escape hatch for anyone whose screen the embed does not suit. */
.app-frame__open {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-top: .75rem;
  font: 700 var(--t--2)/1 var(--font-body);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay);
}

/* --- 16. Motion ---------------------------------------------------------
   Everything that moves is opt-in: it lives inside no-preference, and the
   reduce block below also cancels the transform-based effects outright so a
   reduced-motion user gets no jump, not just a faster one. */

@media (prefers-reduced-motion: no-preference) {
  .hero--photo .hero__content > * {
    animation: rise .7s var(--ease) both;
  }
  .hero--photo .hero__content > *:nth-child(2) { animation-delay: .06s; }
  .hero--photo .hero__content > *:nth-child(3) { animation-delay: .12s; }
  .hero--photo .hero__content > *:nth-child(4) { animation-delay: .18s; }
  .hero--photo .hero__content > *:nth-child(5) { animation-delay: .24s; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  a.card:hover, a.card:focus-visible { transform: none; }
  a.card:hover .fig__img { transform: none; }
}

@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  body { background: #fff; color: #000; }
}