/* =====================================================================
   SMITH SOLUTION — design system
   Concept: a company laid out on an assembly drawing.
   Warm paper background in three steps (screen → metal), ink line art,
   one hairline accent for dimension lines only. No particles, no accent bars.
   ===================================================================== */

/* ---------- tokens ---------- */
:root {
  --paper-1: #F3F2EE;
  --paper-2: #E8E6E0;
  --paper-3: #DDDBD4;
  --paper-4: #D2D0C8;
  --metal: #171716;
  --metal-2: #1E1E1C;
  --ink: #161616;
  --ink-2: #3A3935;
  --ink-3: #6E6C66;
  --ink-4: #A3A19A;
  --line: rgba(22,22,22,.14);
  --line-2: rgba(22,22,22,.32);
  --dim: #C23B2A;            /* dimension lines only */
  --white: #FFFFFF;

  --container: 1280px;
  --gutter: 40px;
  --rail: 88px;              /* left drawing margin */
  --header-h: 72px;
  --header-h-s: 58px;

  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto,
          "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.2,.7,.2,1);
  --dur: .45s;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h-s) + 20px); }
body {
  margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.7; color: var(--ink);
  background: var(--paper-1); -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-wrap: break-word; letter-spacing: -0.01em;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
::selection { background: var(--ink); color: var(--paper-1); }
.skip { position: absolute; left: 16px; top: -100px; z-index: 1000; background: var(--ink); color: #fff; padding: 10px 16px; font-weight: 600; }
.skip:focus-visible { top: 12px; outline-color: #fff; }
.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 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 140px 0; }
.section--tight { padding: 96px 0; }
.band-1 { background: var(--paper-1); }
.band-2 { background: var(--paper-2); }
.band-3 { background: var(--paper-3); }
.band-4 { background: var(--paper-4); }

/* dark bands: screen (paper) → metal. Tokens are overridden so every component adapts. */
.band-dark { background: var(--metal); color: #ECEAE4; --ink: #ECEAE4; --ink-2: #CFCDC6; --ink-3: #9A988F; --ink-4: #5C5B56; --line: rgba(236,234,228,.16); --line-2: rgba(236,234,228,.36); --paper-1: #171716; --paper-2: #222220; --dim: #E2624F; }
.band-dark--2 { background: var(--metal-2); --paper-1: #1E1E1C; }
.band-dark ::selection { background: #ECEAE4; color: #171716; }
.band-dark .hw__fig svg { background: rgba(255,255,255,.03); }
.txt-img { display: inline-block; height: 1.15em; width: auto; vertical-align: -0.18em; }
.footer__meta .txt-img { display: block; height: 1.05em; margin-top: 8px; }

/* drawing rail: section number on the left margin */
.sheet { display: block; }
.sheet__rail { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-3); text-transform: uppercase; padding-top: 10px; }
.sheet__rail b { display: block; font-weight: 500; color: var(--ink); font-size: 13px; }
.sheet__rail span { display: block; margin-top: 6px; }
.sheet__body { min-width: 0; }

/* ---------- type ---------- */
.display { font-size: clamp(40px, 5.2vw, 72px); font-weight: 500; line-height: 1.12; letter-spacing: -0.028em; }
.h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 500; line-height: 1.2; letter-spacing: -0.024em; }
.h3 { font-size: 22px; font-weight: 600; line-height: 1.35; letter-spacing: -0.015em; }
.lead { font-size: clamp(17px, 1.35vw, 20px); line-height: 1.7; color: var(--ink-2); max-width: 640px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.sec-head { max-width: 760px; margin-bottom: 64px; }
.sec-head .lead { margin-top: 22px; }
.sb { display: none; }
@media (min-width: 700px) { .sb { display: inline; } }
p + p { margin-top: 1em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding: 0 24px;
  background: var(--ink); color: var(--paper-1); border: 1px solid var(--ink); font-size: 15px; font-weight: 600; white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--ink-2); border-color: var(--ink-2); }
.btn svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { background: rgba(22,22,22,.06); border-color: var(--ink); }
.btn--lg { height: 60px; padding: 0 30px; font-size: 16px; }
.btn--sm { height: 40px; padding: 0 16px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.link svg { width: 14px; height: 14px; }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h); background: rgba(243,242,238,.86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: height var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.header.is-stuck { height: var(--header-h-s); border-color: var(--line); }
.header__in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__kr { font-size: 18px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.brand__en { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--ink-3); line-height: 1; margin-top: 5px; }
.brand__txt { display: flex; flex-direction: column; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: 15px; font-weight: 500; color: var(--ink-2); position: relative; padding: 6px 0; transition: color var(--dur) var(--ease); }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.header__cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 9px; width: 22px; height: 1.6px; background: var(--ink); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav-toggle span { top: 19px; }
.nav-toggle span::before { left: 0; top: -7px; }
.nav-toggle span::after { left: 0; top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav {
  position: fixed; inset: var(--header-h-s) 0 0 0; z-index: 90; background: var(--paper-1); padding: 32px var(--gutter); display: none; flex-direction: column; gap: 6px;
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a { font-size: 26px; font-weight: 500; padding: 12px 0; border-bottom: 1px solid var(--line); }
.mobile-nav .btn { margin-top: 24px; font-size: 16px; border-bottom: 1px solid var(--ink); }
@media (max-width: 900px) {
  .nav, .header__cta .btn { display: none; }
  .nav-toggle { display: block; }
}

/* ---------- hero ---------- */
.hero { padding: 0; min-height: calc(100vh - var(--header-h)); display: flex; align-items: center; overflow: hidden; }
.hero .container { padding-top: 96px; padding-bottom: 120px; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); column-gap: 48px; align-items: center; }
.hero__photo { justify-self: end; width: min(100%, 520px); }
.hero__photo img { width: 100%; height: auto; }
.hero__copy { max-width: 980px; }
.hero__meta { display: flex; gap: 28px; margin-bottom: 36px; }
.hero .display { max-width: none; font-size: clamp(40px, 5.6vw, 80px); letter-spacing: -0.035em; line-height: 1.06; font-weight: 500; }
.hero .lead { margin-top: 36px; max-width: 640px; font-size: clamp(16px, 1.3vw, 19px); }
.hero__actions { margin-top: 44px; }

/* exploded isometric stack (the only interactive element on the site) */
.stack { margin-top: 72px; position: relative; }
.stack svg { width: 100%; height: auto; }
.stack text { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; fill: var(--ink-3); }
.stack .layer polygon { stroke: var(--ink); transition: fill .35s var(--ease); }
.stack .layer .face-t { fill: #FBFAF7; }
.stack .layer .face-l { fill: rgba(22,22,22,.10); }
.stack .layer .face-r { fill: rgba(22,22,22,.20); }
.stack .layer:nth-child(n) .face-t { fill: #FBFAF7; }
.stack .layer[data-layer="4"] .face-t, .stack .layer[data-layer="5"] .face-t { fill: #E6E4DE; }
.stack .layer[data-layer="4"] .face-l, .stack .layer[data-layer="5"] .face-l { fill: rgba(22,22,22,.28); }
.stack .layer[data-layer="4"] .face-r, .stack .layer[data-layer="5"] .face-r { fill: rgba(22,22,22,.46); }
.stack .layer .layer__code { font-family: var(--mono); font-size: 12px; fill: var(--ink-3); }
.stack .layer .layer__name { font-family: var(--font); font-size: 16px; font-weight: 600; letter-spacing: -0.01em; fill: var(--ink); }
.stack .layer .layer__parts { font-family: var(--font); font-size: 13px; letter-spacing: 0; fill: var(--ink-3); }
.stack .layer .layer__case { font-family: var(--font); font-size: 13.5px; letter-spacing: 0; fill: var(--ink); opacity: 0; transition: opacity .35s var(--ease); }
.stack .layer.is-on .face-t { fill: var(--ink); }
.stack .layer.is-on .face-l, .stack .layer.is-on .face-r { fill: var(--ink); }
.stack .layer.is-on .layer__case { opacity: 1; }
.stack .dim { stroke: var(--dim); stroke-width: 1; fill: none; }
.stack .dim-t { fill: var(--dim); }
.stack .hair { stroke: var(--line-2); stroke-width: 1; fill: none; }
.stack__hint { position: absolute; right: 0; top: -30px; }
@media (hover: none) { .stack .layer .layer__case { opacity: 1; } .stack__hint { display: none; } }
.stack-list { display: none; border-top: 1px solid var(--line-2); }
.stack-list li { display: grid; grid-template-columns: 1fr; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.stack-list li:nth-child(4), .stack-list li:nth-child(5) { border-bottom-width: 2px; border-bottom-color: var(--ink); }
.stack-list b { font-size: 17px; font-weight: 600; }
.stack-list span:not(.mono) { font-size: 14px; color: var(--ink-3); }
.stack-list em { font-style: normal; font-size: 14px; color: var(--ink); padding-top: 4px; }
@media (max-width: 760px) { .stack svg, .stack__hint { display: none; } .stack-list { display: block; } }

/* ---------- index rows (what we do) ---------- */
.index { border-top: 1px solid var(--line-2); }
.index__row { display: grid; grid-template-columns: 56px minmax(0, 1.05fr) minmax(0, 1.5fr) 32px; align-items: baseline; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); position: relative; transition: background var(--dur) var(--ease); }
.index__n { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-3); }
.index__t { font-size: clamp(20px, 2vw, 26px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.3; }
.index__d { font-size: 16px; color: var(--ink-2); line-height: 1.65; }
.index__tag { justify-self: end; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-3); }
.index__row:hover { background: rgba(22,22,22,.03); }
.index--sw .index__row:nth-child(-n+4) .index__tag::after { content: "SW"; }
.index--sw .index__row:nth-child(n+5) .index__tag::after { content: "HW"; }
@media (max-width: 760px) {
  .index__row { grid-template-columns: 40px minmax(0, 1fr) 28px; row-gap: 8px; padding: 22px 0; }
  .index__d { grid-column: 2 / 3; }
  .index__tag { grid-row: 1; grid-column: 3; }
}

/* ---------- software blocks ---------- */
.svc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; border-top: 1px solid var(--line-2); }
.svc__i { padding: 36px 0 40px; border-bottom: 1px solid var(--line); }
.svc__i .mono { display: block; margin-bottom: 18px; }
.svc__i h3 { margin-bottom: 14px; }
.svc__i p { font-size: 15.5px; color: var(--ink-2); line-height: 1.7; }
.svc__i dl { margin-top: 20px; display: grid; grid-template-columns: 72px 1fr; gap: 6px 12px; font-size: 14px; }
.svc__i dt { color: var(--ink-3); }
.svc__i dd { color: var(--ink-2); }
.svc--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.note { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line-2); display: grid; grid-template-columns: 120px minmax(0, 1fr); column-gap: 24px; }
.note p { font-size: 15.5px; color: var(--ink-2); max-width: 720px; }
@media (max-width: 900px) { .svc { grid-template-columns: 1fr; } .svc--2 { grid-template-columns: 1fr; } }

/* ---------- bridge band ---------- */
.bridge { padding: 96px 0; }
.bridge__in { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); column-gap: 24px; align-items: start; }
.bridge .h2 { max-width: 20ch; }
.bridge figure { margin-top: 48px; }
.bridge figure svg { width: 100%; height: auto; }
.bridge text { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; fill: var(--ink-3); }
.bridge .b-sw { stroke: var(--ink); stroke-opacity: .28; fill: none; }
.bridge .b-hw { stroke: var(--ink); fill: rgba(22,22,22,.05); }
.bridge .dim { stroke: var(--dim); fill: none; }
.bridge .dim-t { fill: var(--dim); }

/* ---------- hardware ---------- */
.hw { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 64px; align-items: start; }
.hw__fig { position: sticky; top: calc(var(--header-h-s) + 32px); }
.hw__fig svg { width: 100%; height: auto; border: 1px solid var(--line-2); background: rgba(255,255,255,.35); }
.hw__fig figcaption { margin-top: 12px; font-size: 13px; color: var(--ink-3); }
.spec { border-top: 1px solid var(--line-2); }
.spec__i { padding: 40px 0; border-bottom: 1px solid var(--line); }
.spec__i .mono { display: block; margin-bottom: 10px; }
.spec__i h3 { margin-bottom: 8px; }
.spec__i > p { font-size: 15px; color: var(--ink-2); }
.spec__tbl { margin-top: 18px; width: 100%; border-collapse: collapse; font-size: 14px; }
.spec__tbl th, .spec__tbl td { text-align: left; padding: 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec__tbl th { width: 92px; font-weight: 500; color: var(--ink-3); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding-top: 10px; }
.spec__tbl td { color: var(--ink); }
.spec__tbl--cmp thead th { width: auto; font-family: var(--font); font-size: 13px; letter-spacing: 0; text-transform: none; color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--line-2); }
.spec__tbl--cmp td { padding-right: 16px; }
.spec__cond { margin-top: 16px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.spec__cond div { font-size: 13px; color: var(--ink-2); line-height: 1.55; }
.spec__cond b { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: 4px; }
@media (max-width: 1000px) { .hw { grid-template-columns: 1fr; gap: 40px; } .hw__fig { position: static; } }
@media (max-width: 560px) { .spec__cond { grid-template-columns: 1fr; } }

.board .k { stroke: var(--ink); fill: none; }
.board .kf { fill: rgba(236,234,228,.10); }
.board .kf2 { fill: rgba(236,234,228,.22); }
.board .kg { stroke: rgba(236,234,228,.08); }
.board text { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; }
.board .kt { fill: var(--ink-3); }
.board .kt2 { fill: var(--ink); }
.board .kdim { stroke: var(--dim); fill: none; }
.board .kdt { fill: var(--dim); }
.rack .t2 { fill: var(--ink); }

/* spec entries with a product photo */
.spec__i--photo { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
.spec__photo--wide img { padding: 28px 0; }
.spec__links { margin-top: 18px; display: flex; gap: 20px; flex-wrap: wrap; }
.spec__links .link { font-size: 14px; }
.docs { margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--line-2); display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 40px; }
.docs .mono { display: block; margin-bottom: 12px; }
.docs p { font-size: 15.5px; color: var(--ink-2); }
.rack__photo img { width: 100%; height: auto; }
.rack__photo figcaption { margin-top: 10px; font-size: 12.5px; color: var(--ink-3); }
.spec__photo { padding: 14px; background: rgba(236,234,228,.07); border: 1px solid var(--line); }
.spec__photo img { width: 100%; height: auto; }
.spec__note { margin-top: 14px; font-size: 12.5px; color: var(--ink-3); }
@media (max-width: 900px) { .docs { grid-template-columns: 1fr; gap: 16px; } }
@media (max-width: 560px) { .spec__i--photo { grid-template-columns: 1fr; gap: 16px; } .spec__photo { max-width: 220px; } }

/* ---------- rack / workplace ---------- */
.rack { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 64px; align-items: center; margin-top: 96px; padding-top: 72px; border-top: 1px solid var(--line-2); }
.rack svg { width: 100%; height: auto; }
.rack text { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; fill: var(--ink-3); }
.rack .st { stroke: var(--ink); fill: none; }
.rack .fl { fill: rgba(236,234,228,.10); stroke: var(--ink); }
.rack .hair { stroke: var(--line-2); }
.rack__copy h3 { margin-bottom: 14px; }
.rack__copy p { color: var(--ink-2); font-size: 16px; }
.rack__copy ul { margin-top: 20px; border-top: 1px solid var(--line-2); }
.rack__copy li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; display: grid; grid-template-columns: 120px 1fr; gap: 16px; }
.rack__copy li span:first-child { color: var(--ink-3); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding-top: 4px; }
@media (max-width: 900px) { .rack { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- process ---------- */
.proc svg { width: 100%; height: auto; }
.proc text { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; fill: var(--ink-3); }
.proc .step-t { font-family: var(--font); font-size: 15px; font-weight: 600; letter-spacing: -0.01em; fill: var(--ink); }
.proc .bar-sw { fill: rgba(236,234,228,.10); stroke: var(--ink); stroke-opacity: .5; }
.proc .bar-hw { fill: rgba(236,234,228,.30); stroke: var(--ink); }
.proc .hair { stroke: var(--line-2); }
.proc .dim { stroke: var(--dim); fill: none; }
.proc .dim-t { fill: var(--dim); }
.steps { margin-top: 56px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 28px; border-top: 1px solid var(--line-2); }
.steps__i { padding: 24px 0 8px; border-bottom: 1px solid var(--line); }
.steps__i .mono { display: block; margin-bottom: 10px; }
.steps__i h3 { font-size: 17px; margin-bottom: 8px; }
.steps__i p { font-size: 14px; color: var(--ink-2); line-height: 1.6; }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- cases ---------- */
.cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; border-top: 1px solid var(--line-2); }
.case { padding: 32px 0 36px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.case__meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; }
.case__t { font-size: 20px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.35; margin-bottom: 12px; }
.case__d { font-size: 15px; color: var(--ink-2); line-height: 1.65; }
.case__spec { margin-top: auto; padding-top: 18px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .02em; color: var(--ink-3); line-height: 1.7; }
@media (max-width: 1000px) { .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .cases { grid-template-columns: 1fr; } }

/* ---------- company / contact ---------- */
.co { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: start; }
.co__info { border-top: 1px solid var(--line-2); }
.co__info div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.co__info span:first-child { color: var(--ink-3); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding-top: 5px; }
.co__cta { padding: 40px; background: var(--ink); color: var(--paper-1); }
.co__cta .h2 { color: var(--paper-1); max-width: 14ch; }
.co__cta p { margin-top: 20px; color: rgba(236,234,228,.78); font-size: 16px; max-width: 420px; }
.co__cta .btn { margin-top: 32px; background: var(--paper-1); color: var(--ink); border-color: var(--paper-1); }
.co__cta .btn:hover { background: var(--paper-3); border-color: var(--paper-3); }
.co__cta .btn--ghost { background: transparent; color: var(--paper-1); border-color: rgba(236,234,228,.4); }
.co__cta .btn--ghost:hover { background: rgba(236,234,228,.1); border-color: var(--paper-1); }
.co__cta :focus-visible { outline-color: var(--paper-1); }
@media (max-width: 900px) { .co { grid-template-columns: 1fr; gap: 40px; } .co__cta { padding: 32px 24px; } }

/* ---------- footer ---------- */
.footer { padding: 56px 0 40px; border-top: 1px solid var(--line-2); background: var(--paper-2); }
.footer__top { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.footer__meta { font-size: 13.5px; color: var(--ink-2); line-height: 1.8; }
.footer__links { display: flex; gap: 20px; font-size: 13.5px; }
.footer__bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-3); }

/* ---------- quote page ---------- */
.page { padding: 72px 0 120px; }
.page__head { max-width: 720px; margin-bottom: 56px; }
.page__head .lead { margin-top: 20px; }
.form { max-width: 760px; }
.seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-bottom: 36px; }
.seg label { position: relative; display: block; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: block; padding: 16px 18px; border: 1px solid var(--line-2); font-weight: 500; font-size: 15px; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.seg input:checked + span { background: var(--ink); color: var(--paper-1); border-color: var(--ink); }
.seg input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 3px; }
.fset { border: 0; padding: 0; margin: 0 0 40px; }
.fset legend { font-size: 13px; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding: 0; margin-bottom: 18px; }
.fgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; }
.f { display: flex; flex-direction: column; gap: 8px; }
.f--full { grid-column: 1 / -1; }
.f label { font-size: 14px; font-weight: 500; }
.f label small { color: var(--ink-3); font-weight: 400; margin-left: 6px; }
.f input, .f select, .f textarea { width: 100%; height: 50px; padding: 0 14px; border: 1px solid var(--line-2); background: rgba(255,255,255,.5); font-size: 15px; }
.f textarea { height: 160px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--ink); background: #fff; }
.chk { display: flex; flex-wrap: wrap; gap: 8px; }
.chk label { position: relative; }
.chk input { position: absolute; opacity: 0; inset: 0; }
.chk span { display: inline-block; padding: 9px 14px; border: 1px solid var(--line-2); font-size: 14px; transition: background var(--dur) var(--ease), color var(--dur) var(--ease); }
.chk input:checked + span { background: var(--ink); color: var(--paper-1); border-color: var(--ink); }
.chk input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); margin: 8px 0 28px; }
.consent input { margin-top: 5px; }
.form__foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form__msg { font-size: 14px; color: var(--ink-2); }
.form__msg.is-err { color: var(--dim); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
@media (max-width: 640px) { .seg { grid-template-columns: 1fr; } .fgrid { grid-template-columns: 1fr; } }

/* ---------- prose (privacy) ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: 20px; font-weight: 600; margin: 40px 0 12px; }
.prose p, .prose li { font-size: 15.5px; color: var(--ink-2); }
.prose ul { list-style: disc; padding-left: 20px; }
.prose li { margin: 6px 0; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.stagger > * { opacity: 0; transform: translateY(12px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.stagger.is-in > * { opacity: 1; transform: none; }
.stagger.is-in > *:nth-child(2) { transition-delay: .06s; }
.stagger.is-in > *:nth-child(3) { transition-delay: .12s; }
.stagger.is-in > *:nth-child(4) { transition-delay: .18s; }
.stagger.is-in > *:nth-child(5) { transition-delay: .24s; }
.stagger.is-in > *:nth-child(6) { transition-delay: .30s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .stagger > * { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0s !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  :root { --gutter: 24px; --rail: 0px; }
  .section { padding: 96px 0; }
  .section--tight { padding: 72px 0; }
  .hero__grid, .bridge__in, .note { grid-template-columns: 1fr; }
  .hero__photo { justify-self: start; width: min(100%, 360px); margin-top: 40px; }
  .sheet__rail { margin-bottom: 20px; display: flex; gap: 12px; align-items: baseline; }
  .sheet__rail b { display: inline; }
  .sheet__rail span { display: inline; margin: 0; }
  .hero { min-height: 0; }
  .hero .container { padding-top: 64px; padding-bottom: 80px; }
  .hero .display { max-width: none; }
  .stack { margin-top: 56px; }
  .sec-head { margin-bottom: 44px; }
}
@media (max-width: 560px) {
  :root { --gutter: 16px; }
  body { font-size: 16px; }
  .display { font-size: 36px; }
  .hero .display { font-size: 38px; }
  .btn--lg { height: 54px; padding: 0 22px; font-size: 15px; }
}