/* ============================================================================
   MECHANICS-ONLY FLOOR (from starter.css) — invisible correctness layer only.
   ============================================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-size: 1.0625rem; line-height: 1.6; }
img, svg, video { max-width: 100%; height: auto; }
:root {
  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.5rem;  --space-6: 2rem;    --space-7: 3rem;     --space-8: 4.5rem;
  --measure: 38rem;
}
h1 { font-size: 2.5rem;   line-height: 1.08; margin: 0 0 1rem; }
h2 { font-size: 1.75rem;  line-height: 1.15; margin: 0 0 0.75rem; }
h3 { font-size: 1.375rem; line-height: 1.25; margin: 0 0 0.5rem; }
p  { margin: 0 0 1rem; max-width: var(--measure); }
@media (min-width: 1000px) { h1 { font-size: 3rem; } }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible { outline: 3px solid currentColor; outline-offset: 2px; }
a { text-underline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto; } }

/* ============================================================================
   ROOF STRONG — "engineered shelter": cool drafting-paper canvas, deep slate ink,
   structural steel-blue, weathered-copper accent. Display: Archivo. Body: IBM Plex Sans.
   ============================================================================ */
:root {
  --paper:   #eef2f6;   /* cool drafting-paper canvas */
  --paper-2: #e3e9f0;   /* panel */
  --slate:   #16212c;   /* deep slate ink + dark bands */
  --slate-2: #233340;   /* lighter slate for cards on dark */
  --soft:    #45525f;   /* secondary text (AA on paper) */
  --steel:   #134a6b;   /* links / buttons (AA on paper) */
  --steel-bright: #1c6491;
  --copper:  #b4642e;   /* decorative accent / rules / on-dark large */
  --copper-text:  #985322;   /* copper that passes AA as small text on paper */
  --copper-light: #e0a36a;   /* copper accent text ON the dark slate band */
  --line: 1px solid #cdd7e1;
  --font-display: 'Archivo', 'Arial Narrow', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, Segoe UI, sans-serif;
}

body { background-color: var(--paper); color: var(--slate); font-family: var(--font-body); }
h1, h2 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.01em; color: var(--slate); }
h3 { font-family: var(--font-display); font-weight: 700; color: var(--slate); }
.lede { font-size: 1.25rem; line-height: 1.5; color: var(--soft); max-width: 36rem; }
.kicker { font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.18em;
          font-size: 0.8125rem; font-weight: 600; color: var(--copper-text); margin: 0 0 0.75rem; }
.measure { max-width: 38rem; }

a { color: var(--steel); text-decoration: underline; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background-color: var(--slate); color: var(--paper); padding: 0.5rem 1rem; z-index: 30; text-decoration: none; }

.btn { display: inline-block; font-family: var(--font-display); font-weight: 700; font-size: 1rem;
       letter-spacing: 0.01em; text-decoration: none; cursor: pointer; border-radius: 2px;
       padding: 0.75rem 1.5rem; background-color: var(--steel); color: #ffffff; border: 2px solid var(--steel);
       transition: transform .12s ease, background-color .12s ease; }
.btn:hover { transform: translateY(-2px); background-color: var(--steel-bright); border-color: var(--steel-bright); color: #ffffff; }
.btn-copper { background-color: #9a5526; border-color: #9a5526; color: #ffffff; }
.btn-copper:hover { background-color: #7e4319; border-color: #7e4319; color: #ffffff; }
.btn-ghost-dark { background-color: var(--slate); color: var(--paper); border-color: var(--copper-light); }
.btn-ghost-dark:hover { background-color: #9a5526; border-color: #9a5526; color: #ffffff; }

/* top utility strip + header (byte-identical across pages) */
.util { background-color: var(--slate); }
.util p { color: var(--paper); background-color: var(--slate); margin: 0; max-width: none;
          font-size: 1rem; padding: 0.5rem 1.5rem; text-align: center; }
.util b { color: var(--copper-light); background-color: var(--slate); }

.site-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
             gap: 0.75rem 1.5rem; padding: 1rem 1.5rem; background-color: var(--paper); border-bottom: 3px solid var(--slate); }
.wordmark { font-family: var(--font-display); font-weight: 800; font-size: 1.375rem; color: var(--slate);
            text-decoration: none; letter-spacing: -0.02em; text-transform: uppercase; }
.wordmark span { color: var(--copper-text); }
.site-head nav ul { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; margin: 0; padding: 0; list-style: none; }
.site-head nav a { color: var(--slate); text-decoration: none; font-weight: 500; font-size: 1rem; }
.site-head nav a:hover { color: var(--steel); }
.head-cta { font-family: var(--font-display); font-weight: 700; background-color: #9a5526; color: #ffffff;
            text-decoration: none; padding: 0.5rem 1rem; border-radius: 2px; font-size: 1rem; white-space: nowrap; }
.head-cta:hover { background-color: #7e4319; }

main { display: block; }
section { padding: 4.5rem 1.5rem; }
.wrap { max-width: 70rem; margin: 0 auto; }

/* dark hero/intro band — light text RESTATES the dark background per-rule */
.band { background-color: var(--slate); }
.band .wrap, .band-lead { }
.band h1, .band h2 { color: var(--paper); background-color: var(--slate); }
.band p { color: #c4d0db; background-color: var(--slate); }
.band .kicker { color: var(--copper-light); background-color: var(--slate); }
.masthead { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center; max-width: 70rem; margin: 0 auto; }
.masthead-art { margin: 0; }
.masthead-art img { width: 100%; height: auto; display: block; border-radius: 4px; border: 1px solid var(--slate-2); }
.band .btn { margin: 0.25rem 0.75rem 0.25rem 0; }

/* signature sawtooth roofline divider (simple geometric SVG; paper-filled) */
.roofline { display: block; width: 100%; height: 38px; background-color: var(--slate); }
.roofline svg { display: block; width: 100%; height: 38px; }

/* trust badges as CSS text lockups (not fake badge art) */
.badges { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }
.badge { border: 1px solid var(--copper); border-radius: 3px; padding: 0.5rem 1rem; background-color: var(--slate-2); }
.badge b, .badge span { display: block; }
.badge b { color: var(--paper); background-color: var(--slate-2); font-family: var(--font-display); font-size: 1rem; }
.badge span { color: var(--copper-light); background-color: var(--slate-2); font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* promise strip */
.promesa { background-color: var(--paper-2); border-top: var(--line); border-bottom: var(--line); }
.promesa .wrap { display: flex; flex-wrap: wrap; gap: 1rem 3rem; }
.promesa div { min-width: 13rem; }
.promesa dt { font-family: var(--font-display); font-weight: 800; font-size: 1.375rem; color: var(--steel); }
.promesa dd { margin: 0.25rem 0 0; color: var(--soft); font-size: 1rem; }

/* reflowing service/feature lists — auto-fit, unclassed children */
.reflow { list-style: none; margin: 2rem 0 0; padding: 0; display: grid;
          grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.5rem; }
.reflow li { padding: 1.5rem; background-color: var(--paper-2); border-top: 4px solid var(--steel); border-radius: 3px; }
.reflow li:nth-child(2n) { border-top-color: var(--copper); }
.reflow li:nth-child(3n) { border-top-color: var(--slate); }

/* two-column with art */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; max-width: 70rem; margin: 0 auto; }
.duo img { width: 100%; height: auto; display: block; border-radius: 4px; border: var(--line); }
.band-soft { background-color: var(--paper-2); }

/* reserved photo frame for the client's REAL before/after images */
.reserved { border: 2px dashed #aebccb; border-radius: 4px; padding: 2rem 1.5rem; background-color: var(--paper);
            color: var(--soft); text-align: center; font-size: 1rem; }

/* materials / definition rows */
.rows { list-style: none; margin: 0; padding: 0; }
.rows li { padding: 1rem 0; border-bottom: var(--line); max-width: 48rem; }
.rows b { font-family: var(--font-display); }
.rows span { display: block; color: var(--soft); font-size: 1rem; }

/* warranty callouts */
.seal { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.seal article { border: 1px solid var(--copper); border-left: 6px solid var(--copper); border-radius: 3px; padding: 1.5rem; background-color: var(--paper-2); }
.seal article h3 { color: var(--steel); }
.seal .yrs { font-family: var(--font-display); font-weight: 800; font-size: 2.5rem; color: var(--copper-text); line-height: 1; }

/* reviews */
.score { font-family: var(--font-display); font-weight: 800; font-size: 3rem; color: var(--steel); line-height: 1; }
.stars { color: var(--copper-text); letter-spacing: 0.1em; font-size: 1.25rem; }

/* contact / form */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; max-width: 70rem; margin: 0 auto; }
.estimate-form { display: grid; gap: 1.5rem; max-width: 32rem; }
.estimate-form p { margin: 0; display: grid; gap: 0.5rem; max-width: none; }
.estimate-form label { font-weight: 600; font-size: 1rem; }
.demo-note { background-color: var(--paper-2); border-left: 4px solid var(--copper); padding: 0.75rem 1rem; font-size: 1rem; color: var(--slate); }
input, select, textarea { font: inherit; color: var(--slate); background-color: #ffffff; border: 1px solid #b6c2cf; border-radius: 2px; padding: 0.5rem 0.75rem; width: 100%; }
.facts { border-left: 4px solid var(--copper); padding-left: 1.25rem; }
.facts dt { font-family: var(--font-display); font-weight: 700; color: var(--steel); margin-top: 1rem; }
.facts dd { margin: 0.25rem 0 0; }

/* footer — light text RESTATES the dark background per-rule */
.site-foot { background-color: var(--slate); padding: 3rem 1.5rem; border-top: 4px solid var(--copper); }
.site-foot .wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 2rem; }
.site-foot h2, .site-foot p { color: var(--paper); background-color: var(--slate); }
.site-foot h2 { font-size: 1.25rem; margin: 0 0 0.5rem; }
.site-foot a { color: var(--copper-light); background-color: var(--slate); }
.site-foot .fine { color: #9fb0bf; background-color: var(--slate); font-size: 1rem; margin-top: 1rem; }

@media (max-width: 860px) {
  .masthead, .duo, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  section { padding: 3rem 1.5rem; }
}