/* ==========================================================================
   Xip Construction — xipconstruction.com
   Roofing, siding & general contracting — Bozeman / Big Sky, MT
   ========================================================================== */

:root {
  --slate-900: #14181d;
  --slate-800: #1e242b;
  --slate-700: #2b333c;
  --slate-500: #566171;
  --slate-300: #98a2b0;
  --slate-100: #eef1f4;
  --paper:     #f7f8fa;
  --white:     #ffffff;

  /* Brand accent, taken from the logo artwork (business-card PSD).
     --brand-dark is used for body links and full-bleed fills, where pure
     #E51314 does not hold enough contrast against white text. */
  --brand:       #e51314;
  --brand-dark:  #b00f10;
  --brand-light: #ff6f66;

  --pine:      #2f4636;

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(20,24,29,.08), 0 1px 2px rgba(20,24,29,.06);
  --shadow-md: 0 6px 24px rgba(20,24,29,.12);
  --shadow-lg: 0 20px 60px rgba(20,24,29,.28);

  --font-head: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--slate-800);
  background: var(--white);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* backstop against any stray horizontal overflow */
}
img { max-width: 100%; display: block; }
a { color: var(--brand-dark); text-decoration: none; }
a:hover { color: var(--brand); }

h1,h2,h3,h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: .01em;
  color: var(--slate-900);
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); text-transform: uppercase; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); text-transform: uppercase; }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
p  { margin: 0 0 1.1em; }

.container { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--paper { background: var(--paper); }
.section--slate { background: var(--slate-900); color: var(--slate-100); }
.section--slate h2, .section--slate h3 { color: var(--white); }

.eyebrow {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .8rem;
  font-weight: 600;
  color: var(--brand);
  margin: 0 0 .8rem;
}
.section--slate .eyebrow { color: var(--brand-light); }
.lead { font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: var(--slate-500); max-width: 60ch; }
.section--slate .lead { color: var(--slate-300); }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-head); text-transform: uppercase;
  letter-spacing: .08em; font-weight: 600; font-size: 1.02rem;
  padding: .85rem 1.7rem; border-radius: var(--radius);
  border: 2px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), background .18s, color .18s, border-color .18s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-dark); color: #fff; }
.btn--ghost { border-color: currentColor; color: var(--slate-900); }
.btn--ghost:hover { background: var(--slate-900); color: #fff; }
.btn--on-dark { border-color: rgba(255,255,255,.5); color: #fff; }
.btn--on-dark:hover { background: #fff; color: var(--slate-900); border-color:#fff; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--slate-100);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 88px; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter);
}
/* Brand lockup, extracted from the client's business-card PSD.
   assets/img/logo.png for light backgrounds, logo-light.png for dark ones —
   same artwork, same 900x280 box, so the two line up exactly. */
.brand { display: flex; align-items: center; flex: none; }
.brand__logo { width: auto; height: 66px; }
@media (max-width: 900px) { .brand__logo { height: 56px; } }
@media (max-width: 420px) { .brand__logo { height: 46px; } }
.brand--footer { margin-bottom: 1.1rem; }
.brand--footer .brand__logo { height: 62px; }

.nav__links { display: flex; align-items: center; gap: 1.9rem; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-family: var(--font-head); text-transform: uppercase; letter-spacing: .08em;
  font-weight: 600; font-size: 1.05rem; color: var(--slate-700); position: relative;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--slate-900); }
.nav__links a.is-active::after {
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background: var(--brand);
}
.nav__cta { margin-left: .4rem; }
.nav__phone { font-family: var(--font-head); font-size: 1.15rem; font-weight:600; color: var(--slate-900); letter-spacing:.02em; }
.nav__phone:hover { color: var(--brand); }

.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav__toggle span { display:block; width: 26px; height: 2px; background: var(--slate-900); margin: 5px 0; transition: .25s; }

@media (max-width: 900px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 88px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: #fff; border-bottom: 1px solid var(--slate-100);
    padding: .5rem var(--gutter) 1.2rem; box-shadow: var(--shadow-md);
    transform: translateY(-10px); opacity: 0; pointer-events: none; transition: .22s var(--ease);
  }
  .nav__links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links li { width: 100%; }
  .nav__links a { display: block; padding: .8rem 0; width: 100%; border-bottom: 1px solid var(--slate-100); }
  .nav__links a.is-active::after { display:none; }
  .nav__cta { margin: .8rem 0 0; }
}

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__bg {
  position:absolute; inset:0; z-index:0;
  background-size: cover; background-position: center;
}
.hero__img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.hero__bg::after {
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(20,24,29,.55) 0%, rgba(20,24,29,.35) 40%, rgba(20,24,29,.78) 100%);
}
.hero__inner {
  position: relative; z-index: 1;
  max-width: var(--maxw); margin: 0 auto; padding: clamp(5rem,14vw,10rem) var(--gutter) clamp(3.5rem,10vw,7rem);
}
.hero__inner .eyebrow { color: var(--brand-light); }
.hero h1 { color: #fff; max-width: 16ch; text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.hero__sub { font-size: clamp(1.1rem, 2vw, 1.4rem); max-width: 46ch; color: rgba(255,255,255,.92); margin-bottom: 2rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__trust {
  position: relative; z-index:1; border-top: 1px solid rgba(255,255,255,.15);
  background: rgba(20,24,29,.35);
}
.hero__trust ul {
  max-width: var(--maxw); margin: 0 auto; padding: 1rem var(--gutter);
  display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; list-style: none;
  font-family: var(--font-head); text-transform: uppercase; letter-spacing:.06em;
  font-size: .95rem; color: rgba(255,255,255,.9);
}
.hero__trust li { display:flex; align-items:center; gap:.5rem; }
.hero__trust svg { color: var(--brand-light); flex: none; }

/* ---------- Generic grid ---------- */
.grid { display: grid; gap: clamp(1.25rem, 3vw, 2rem); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px){ .grid--3 { grid-template-columns: 1fr; } .grid--2 { grid-template-columns:1fr; } }

/* ---------- Service cards ---------- */
.svc {
  background:#fff; border:1px solid var(--slate-100); border-radius: var(--radius);
  overflow:hidden; box-shadow: var(--shadow-sm); display:flex; flex-direction:column;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.svc__img { aspect-ratio: 4/3; overflow:hidden; }
.svc__img img { width:100%; height:100%; object-fit: cover; transition: transform .6s var(--ease); }
.svc:hover .svc__img img { transform: scale(1.06); }
.svc__body { padding: 1.4rem 1.5rem 1.6rem; flex:1; display:flex; flex-direction:column; }
.svc__body h3 { margin-bottom:.4rem; }
.svc__body p { color: var(--slate-500); font-size: .98rem; }
.svc__list { list-style:none; margin:.2rem 0 1.2rem; padding:0; font-size:.94rem; color: var(--slate-700); }
.svc__list li { padding-left:1.4rem; position:relative; margin-bottom:.35rem; }
.svc__list li::before { content:""; position:absolute; left:0; top:.55em; width:8px; height:8px; background: var(--brand); border-radius:2px; }
.svc__more { margin-top:auto; font-family:var(--font-head); text-transform:uppercase; letter-spacing:.08em; font-weight:600; font-size:.95rem; }

/* ---------- Feature split ---------- */
.split { display:grid; grid-template-columns: 1fr 1fr; align-items:center; gap: clamp(1.5rem,5vw,4rem); }
.split--rev .split__media { order: 2; }
/* height:auto is required: the images carry width/height attributes, and that
   presentational hint would otherwise beat aspect-ratio and blow the box up. */
.split__media img { border-radius: var(--radius); box-shadow: var(--shadow-md); width:100%; height:auto; aspect-ratio: 4/3; object-fit: cover; }
@media (max-width: 860px){ .split { grid-template-columns:1fr; } .split--rev .split__media { order:0; } }

/* ---------- Stats ---------- */
.stats { display:grid; grid-template-columns: repeat(4,1fr); gap: 1rem; text-align:center; }
.stat__num { font-family: var(--font-head); font-size: clamp(2.1rem,5vw,3.4rem); color: var(--brand-light); line-height:1; font-weight:700; overflow-wrap: break-word; hyphens:none; }
.stat__label { font-size:.9rem; letter-spacing:.06em; text-transform:uppercase; color: var(--slate-300); margin-top:.4rem; }
@media (max-width: 640px){ .stats { grid-template-columns: repeat(2,1fr); gap:2rem 1rem; } .stat__num { font-size: clamp(1.7rem,7vw,2.4rem); } }

/* ---------- Gallery ---------- */
.gallery-filters { display:flex; flex-wrap:wrap; gap:.6rem; justify-content:center; margin-bottom: 2.2rem; }
.gallery-filters button {
  font-family:var(--font-head); text-transform:uppercase; letter-spacing:.06em; font-weight:600;
  font-size:.95rem; padding:.5rem 1.15rem; border-radius:50px; cursor:pointer;
  background:#fff; border:1px solid var(--slate-300); color: var(--slate-700);
  transition:.18s;
}
.gallery-filters button:hover { border-color: var(--slate-900); color: var(--slate-900); }
.gallery-filters button.is-active { background: var(--slate-900); border-color: var(--slate-900); color:#fff; }

/* Masonry on CSS grid rather than `columns`. Multicol reads top-to-bottom per column
   (so tile order never matched the lightbox order) and Chrome will not fire lazy-loading
   for images inside it. Row height is a small unit; site.js gives each tile a row span
   computed from that photo's real aspect ratio, so nothing is squashed. */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  column-gap: 14px;
  row-gap: 0;              /* vertical gap comes from .gitem margin-bottom instead, so a */
  grid-auto-rows: 2px;     /* 2px row unit can size tiles to ~1px of their true height */
}
.gallery-grid .gitem {
  margin-bottom: 14px;
  grid-row-end: span var(--span, 150);
  position: relative; cursor: pointer;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
  display: block; background: var(--slate-100);
}
/* Filtering toggles [hidden] on tiles that now ship as real HTML. The author
   `display:block` above outranks the UA stylesheet's [hidden] rule, so it has
   to be restated here or filtering silently does nothing. */
.gallery-grid .gitem[hidden] { display: none; }
.gallery-grid .gitem img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-grid .gitem:hover img { transform: scale(1.05); }
.gitem__cap {
  position:absolute; inset:auto 0 0 0; padding: 1.4rem .9rem .8rem;
  background: linear-gradient(0deg, rgba(20,24,29,.82), transparent);
  color:#fff; font-size:.88rem; opacity:0; transform: translateY(8px); transition:.25s var(--ease);
}
.gitem:hover .gitem__cap, .gitem:focus-visible .gitem__cap { opacity:1; transform:none; }
.gitem__tag { display:inline-block; font-family:var(--font-head); text-transform:uppercase; letter-spacing:.08em; font-size:.7rem; color: var(--brand-light); }

/* ---------- Lightbox ---------- */
.lb { position: fixed; inset:0; z-index:100; background: rgba(12,14,17,.94); display:none; align-items:center; justify-content:center; padding: 2rem; }
.lb.is-open { display:flex; }
.lb__img { max-width: 92vw; max-height: 84vh; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lb__cap { position:absolute; bottom: 1.2rem; left:0; right:0; text-align:center; color:#fff; font-size:.95rem; padding-inline:1rem; }
.lb__btn { position:absolute; top:50%; transform:translateY(-50%); background: rgba(255,255,255,.1); border:0; color:#fff; width:52px; height:52px; border-radius:50%; font-size:1.6rem; cursor:pointer; transition:.18s; display:grid; place-items:center; }
.lb__btn:hover { background: rgba(255,255,255,.25); }
.lb__prev { left: 1.2rem; } .lb__next { right: 1.2rem; }
.lb__close { top:1.2rem; right:1.2rem; transform:none; }
@media (max-width:640px){ .lb__prev{left:.3rem} .lb__next{right:.3rem} .lb__btn{width:44px;height:44px} }

/* ---------- Steps / Process ---------- */
.steps { counter-reset: step; display:grid; grid-template-columns: repeat(4,1fr); gap: clamp(1rem,3vw,2rem); }
.step { position:relative; padding-top: .5rem; }
.step__n { font-family:var(--font-head); font-size:1rem; font-weight:700; color:#fff; background: var(--brand); width:38px; height:38px; border-radius:50%; display:grid; place-items:center; margin-bottom:1rem; }
.step h3 { font-size:1.25rem; }
.step p { color: var(--slate-500); font-size:.97rem; }
@media (max-width: 860px){ .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .steps { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band { background: var(--brand-dark); color:#fff; }
.cta-band .container { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.5rem; padding-block: clamp(2.2rem,5vw,3.2rem); }
.cta-band h2 { color:#fff; margin:0; }
.cta-band p { margin:.3rem 0 0; color: rgba(255,255,255,.9); }

/* ---------- Contact ---------- */
.contact-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem,5vw,4rem); }
@media (max-width: 860px){ .contact-grid { grid-template-columns:1fr; } }
.field { margin-bottom: 1.1rem; }
.field label { display:block; font-family:var(--font-head); text-transform:uppercase; letter-spacing:.06em; font-weight:600; font-size:.9rem; margin-bottom:.4rem; color: var(--slate-700); }
.field input, .field select, .field textarea {
  width:100%; padding:.8rem .9rem; font: inherit; font-size:1rem;
  border:1px solid var(--slate-300); border-radius: var(--radius); background:#fff; color: var(--slate-900);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline:0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(229,19,20,.18);
}
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size:.85rem; color: var(--slate-500); }
/* Honeypot: kept out of sight and out of the tab order, but not display:none,
   since some bots skip fields that are display:none. */
.hp { position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.field-hint { margin:-.4rem 0 1.1rem; font-size:.86rem; color: var(--slate-500); }
.form-status { margin-top: 1rem; font-weight:600; display:none; }
.form-status.ok { display:block; color: var(--pine); }
.form-status.err { display:block; color: #b3261e; }

.info-card { background: var(--paper); border:1px solid var(--slate-100); border-radius: var(--radius); padding: 1.6rem 1.7rem; }
.info-row { display:flex; gap:1rem; align-items:flex-start; padding: .9rem 0; border-bottom:1px solid var(--slate-100); }
.info-row:last-child { border-bottom:0; }
.info-row svg { color: var(--brand); flex:none; margin-top:3px; }
.info-row b { font-family:var(--font-head); text-transform:uppercase; letter-spacing:.05em; font-size:.85rem; color: var(--slate-500); display:block; font-weight:600; }
.info-row a, .info-row span { font-size:1.08rem; color: var(--slate-900); }

/* ---------- Page header (interior pages) ---------- */
.page-head { background: var(--slate-900); color:#fff; padding-block: clamp(3rem,7vw,5rem); position:relative; overflow:hidden; }
.page-head::before { content:""; position:absolute; inset:0; background-size:cover; background-position:center; opacity:.22; }
.page-head .container { position:relative; z-index:1; }
.page-head h1 { color:#fff; }
.page-head .lead { color: var(--slate-300); }
.crumbs { font-family:var(--font-head); text-transform:uppercase; letter-spacing:.1em; font-size:.8rem; color: var(--brand-light); margin-bottom:.7rem; }
.crumbs a { color: var(--slate-300); } .crumbs a:hover{ color:#fff; }

.tagline {
  font-family: var(--font-head); font-size: 1.15rem; letter-spacing: .02em;
  color: var(--brand-light); margin: 0 0 .5rem;
}
/* ---------- Footer ---------- */
.site-footer { background: var(--slate-900); color: var(--slate-300); padding-block: 3.5rem 2rem; }
.footer-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
@media (max-width: 980px){ .footer-grid { grid-template-columns: 1fr 1fr; gap:2rem; } }
@media (max-width: 720px){ .footer-grid { grid-template-columns:1fr; gap:2rem; } }
.footer-grid h4 { color:#fff; font-size:1.05rem; letter-spacing:.08em; margin-bottom:1rem; }
.footer-grid a { color: var(--slate-300); display:block; padding:.2rem 0; }
.footer-grid a:hover { color:#fff; }
.site-footer p { font-size:.95rem; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); margin-top:2.5rem; padding-top:1.5rem; display:flex; flex-wrap:wrap; justify-content:space-between; gap:.5rem; font-size:.85rem; color: var(--slate-500); }

/* ---------- Utility ---------- */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
/* Reveal is progressive enhancement: content is visible by default, and only
   starts hidden when JS is active (html.js) AND the observer hasn't fired yet.
   This guarantees content shows without JS and in full-page screenshots. */
.js .reveal { opacity:0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ *{scroll-behavior:auto!important; transition:none!important; animation:none!important} .js .reveal{opacity:1;transform:none} }

/* ---- Sticky mobile call bar ----
   Mobile-only. The phone number otherwise lives inside .nav__links, which
   collapses into the hamburger at 900px, so on a phone there is no visible way
   to call. z-index sits UNDER .lb (100) so it never covers the lightbox. */
.callbar { display: none; }
@media (max-width: 760px) {
  .callbar {
    display: grid; grid-template-columns: 1fr 1fr;
    position: fixed; inset: auto 0 0 0; z-index: 90;
    box-shadow: 0 -2px 14px rgba(20,24,29,.25);
  }
  .callbar__btn {
    display: flex; align-items: center; justify-content: center;
    min-height: 56px; padding: .5rem .8rem;
    font-family: var(--font-head); font-weight: 600; font-size: 1.02rem;
    letter-spacing: .04em; text-transform: uppercase; text-align: center;
    color: #fff; text-decoration: none;
  }
  .callbar__btn--call  { background: var(--brand); }
  .callbar__btn--quote { background: var(--slate-900); }
  body { padding-bottom: 56px; }
}

/* ---- Hero response-time promise ---- */
.hero__promise {
  margin: 1.1rem 0 0; font-size: .95rem; color: rgba(255,255,255,.85);
}