/* =========================================================
   Stoneridge Contracting — shared styles
   Industrial editorial. Barlow Condensed display at scale,
   Manrope body. Amber / concrete grey / near-black.
   Blueprint meets construction trade magazine.
   ========================================================= */

:root {
  --amber:       oklch(0.68 0.16 62);
  --amber-br:    oklch(0.76 0.15 72);
  --amber-soft:  oklch(0.68 0.16 62 / 0.14);
  --ink:         oklch(0.195 0.012 248);  /* blueprint near-black */
  --ink-2:       oklch(0.255 0.014 248);  /* slate panel */
  --concrete:    oklch(0.62 0.008 245);   /* mid grey */
  --concrete-d:  oklch(0.44 0.008 245);
  --paper:       oklch(0.966 0.003 75);   /* off-white */
  --paper-2:     oklch(0.932 0.004 72);
  --blueprint:   oklch(0.7 0.06 235);     /* cyan grid accent */
  --line:        oklch(0.195 0.012 248 / 0.14);
  --line-d:      oklch(0.97 0.02 235 / 0.16);

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Manrope", system-ui, -apple-system, sans-serif;

  --wrap: 1240px;
  --gut: clamp(20px, 5vw, 60px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 800;
  line-height: 0.92;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.005em;
}

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

.eyebrow {
  font-family: var(--body);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex; align-items: center; gap: 0.7em;
  margin: 0 0 1.2rem;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--amber); display: inline-block; }

.lead { font-size: 1.16rem; color: var(--concrete-d); line-height: 1.6; max-width: 56ch; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--body); font-weight: 800; font-size: 0.82rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 1.05em 1.9em; border: 2px solid transparent; cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--amber { background: var(--amber); color: var(--ink); }
.btn--amber:hover { background: var(--amber-br); }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--ink-2); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--ghost-light { background: transparent; color: var(--paper); border-color: var(--line-d); }
.btn--ghost-light:hover { border-color: var(--paper); background: oklch(0.97 0.003 70 / 0.08); }
.btn--lg { font-size: 0.9rem; padding: 1.15em 2.2em; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--body); font-weight: 800; font-size: 0.78rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber);
}
.arrow-link span { transition: transform .2s ease; }
.arrow-link:hover span { transform: translateX(5px); }

/* =================== NAV =================== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--gut);
  border-bottom: 2px solid transparent;
  transition: background .35s ease, border-color .35s ease, color .35s ease;
}
.nav__brand { display: flex; align-items: center; gap: 0.7rem; font-family: var(--display); font-weight: 900; font-size: 1.5rem; letter-spacing: 0.02em; text-transform: uppercase; line-height: 1; }
.nav__brand .mark {
  width: 30px; height: 30px; background: var(--amber); position: relative; flex: none;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}
.nav__brand small { display: block; font-family: var(--body); font-weight: 700; font-size: 0.52rem; letter-spacing: 0.28em; opacity: 0.6; margin-top: 3px; }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.6vw, 2.4rem); list-style: none; margin: 0; padding: 0; }
.nav__links a { font-weight: 700; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; position: relative; padding-bottom: 3px; }
.nav__links a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--amber); transition: width .25s ease; }
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { width: 100%; }

.nav--solid, .nav.scrolled {
  background: oklch(0.965 0.003 70 / 0.95); backdrop-filter: blur(12px);
  border-bottom-color: var(--line); color: var(--ink);
}
.nav--overlay { color: var(--paper); }
.nav--overlay .nav__brand small { opacity: 0.7; }
@media (max-width: 760px) { .nav__links li:not(.nav__cta) { display: none; } }

/* =================== FOOTER =================== */
.footer { background: var(--ink); color: var(--paper); padding: clamp(3rem,6vw,5rem) 0 2rem; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.6rem; border-bottom: 1px solid var(--line-d); }
.footer__brand { display:flex; align-items:center; gap:0.7rem; font-family: var(--display); font-weight: 900; font-size: 2rem; text-transform: uppercase; }
.footer__brand .mark { width: 30px; height: 30px; background: var(--amber); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.footer p, .footer li { color: oklch(0.97 0.003 70 / 0.62); font-size: 0.95rem; }
.footer h4 { font-family: var(--body); font-weight: 800; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1rem; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-top: 1.5rem; font-size: 0.8rem; color: oklch(0.97 0.003 70 / 0.5); }
@media (max-width: 760px) { .footer__top { grid-template-columns: 1fr; gap: 2rem; } }

/* =================== PHOTO / THUMB PLACEHOLDER =================== */
.thumb { position: relative; overflow: hidden; }
.thumb__label {
  position: absolute; left: 0; bottom: 0; z-index: 3;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.64rem;
  letter-spacing: 0.04em; text-transform: uppercase; color: oklch(0.97 0.003 70 / 0.9);
  background: oklch(0.17 0.008 60 / 0.6); padding: 0.4em 0.7em; margin: 0.7rem;
}
.thumb__grid { position: absolute; inset: 0; z-index: 1;
  background-image: linear-gradient(oklch(0.97 0.003 70 / 0.07) 1px, transparent 1px),
                    linear-gradient(90deg, oklch(0.97 0.003 70 / 0.07) 1px, transparent 1px);
  background-size: 28px 28px; }

/* real-photo helper */
.ph { position: relative; overflow: hidden; background: var(--ink-2); }
.ph img { width: 100%; height: 100%; object-fit: cover; }

/* =================== REVEAL =================== */
html.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* =================== SECTION =================== */
.section { padding: clamp(4rem, 9vw, 8rem) 0; }
.section--dark { background: var(--ink); color: var(--paper); }
.section--paper2 { background: var(--paper-2); }
.section-head { max-width: 64ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
.section-head .lead { margin-top: 1.3rem; }