/* ============================================================
   Peterson Structural Solutions — "Forged steel at dusk"
   Dark industrial-premium. Plain CSS, no build step.
   Fonts: Archivo (display headings) + Barlow Condensed
   (eyebrows/labels/numerals) + Inter (body).
   ============================================================ */

:root {
  /* ---- Surfaces: near-black steel navy, one step apart ---- */
  --base:      #0a0f16;   /* page base */
  --panel:     #0f1723;   /* raised / alternate section */
  --card:      #141f2e;   /* cards */
  --card-2:    #18263a;   /* card hover / raised inner */

  /* ---- Text ---- */
  --head:      #eef3f8;   /* headings */
  --body:      #a8b8c8;   /* body / muted */
  --faint:     #7d8fa2;   /* fine print */

  /* ---- Molten amber accent ---- */
  --amber:     #f59e0b;
  --amber-600: #ea8317;
  --amber-700: #c96f12;
  --amber-glow: rgba(245,158,11,.28);

  /* ---- Cool steel-blue (strokes / tags only) ---- */
  --steel:     #3f7bb0;
  --steel-600: #2f5f8c;
  --steel-line: rgba(63,123,176,.22);

  /* ---- Lines / borders on dark ---- */
  --line:      rgba(148,178,209,.14);
  --line-2:    rgba(148,178,209,.22);

  --radius:    14px;
  --radius-sm: 10px;
  --maxw:      1160px;

  --shadow-sm: 0 2px 12px rgba(0,0,0,.35);
  --shadow:    0 20px 50px rgba(0,0,0,.45);
  --shadow-amber: 0 18px 44px rgba(245,158,11,.22);

  --font-disp: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-cond: "Barlow Condensed", "Archivo", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--body);
  background: var(--base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 26px; }

h1, h2, h3 { font-family: var(--font-disp); line-height: 1.08; color: var(--head); margin: 0 0 .5em; font-weight: 800; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.8rem, 7vw, 5rem); font-weight: 900; letter-spacing: -0.03em; line-height: 1.02; }
h2 { font-size: clamp(1.9rem, 4.2vw, 2.8rem); font-weight: 800; }
h3 { font-size: 1.22rem; font-weight: 700; letter-spacing: -0.01em; }
p  { margin: 0 0 1rem; }
a  { color: var(--amber); text-decoration: none; transition: color .15s; }
a:hover { color: var(--amber-600); }
img { max-width: 100%; }

/* ---- Eyebrow: numbered, condensed, wide tracking ---- */
.eyebrow {
  font-family: var(--font-cond);
  text-transform: uppercase; letter-spacing: .22em; font-size: .95rem;
  font-weight: 600; color: var(--amber); margin: 0 0 .8rem;
  display: inline-flex; align-items: center; gap: .55rem;
}
.accent { color: var(--amber); }

/* Amber hairline rule that sits above section headings */
.rule-top { position: relative; }
.rule-top::before {
  content: ""; display: block; width: 46px; height: 2px; margin-bottom: 1.4rem;
  background: linear-gradient(90deg, var(--amber), var(--amber-700));
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .95rem 1.8rem; border-radius: 999px; font-family: var(--font-cond);
  font-weight: 600; font-size: 1.08rem; letter-spacing: .04em; text-transform: uppercase;
  cursor: pointer; border: 1.5px solid transparent;
  transition: transform .14s ease, box-shadow .22s ease, background .2s ease, color .15s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(180deg, var(--amber), var(--amber-600));
  color: #1a0e02; border-color: transparent;
  box-shadow: 0 10px 26px rgba(245,158,11,.32);
}
.btn-primary:hover { color: #1a0e02; box-shadow: 0 16px 36px rgba(245,158,11,.5); }
.btn-outline { background: transparent; color: var(--head); border-color: var(--line-2); }
.btn-outline:hover { color: var(--head); border-color: var(--amber); background: rgba(245,158,11,.08); }

/* ---------- Blueprint grid utility (masked, faint) ---------- */
.blueprint {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(63,123,176,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,123,176,.07) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 78%);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,15,22,.72);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled {
  background: rgba(8,12,18,.92);
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
  border-bottom-color: var(--line-2);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 92px; }
.brand { display: flex; align-items: center; }
/* The logo artwork (navy text, steel beam, red hooks) is unaltered; it sits
   on a light chip so the navy text reads against the dark header. */
.brand-logo {
  height: 68px; width: auto; display: block;
  padding: 8px 14px; background: #f5f7fa; border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
}
.brand-name { font-family: var(--font-disp); font-size: 1.02rem; color: var(--head); }
.nav-menu { display: flex; align-items: center; gap: 1.7rem; list-style: none; margin: 0; padding: 0; }
.nav-menu a { color: var(--head); font-weight: 500; font-size: .95rem; }
.nav-menu a:hover { color: var(--amber); }
.nav-cta {
  background: linear-gradient(180deg, var(--amber), var(--amber-600));
  color: #1a0e02 !important; padding: .58rem 1.3rem; border-radius: 999px;
  font-family: var(--font-cond); font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
  box-shadow: 0 6px 18px rgba(245,158,11,.28);
}
.nav-cta:hover { color: #1a0e02 !important; box-shadow: 0 10px 24px rgba(245,158,11,.45); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--head); margin: 5px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero (full-bleed cinematic) ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 92vh; display: flex; align-items: center;
  background:
    linear-gradient(105deg, rgba(10,15,22,.92) 0%, rgba(10,15,22,.68) 42%, rgba(10,15,22,.35) 100%),
    url("../assets/projects/steel-frame-sunset.jpg");
  background-size: cover;
  background-position: center 35%;
}
/* Bottom fade into the next (panel) section */
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 26%;
  background: linear-gradient(180deg, transparent, var(--base));
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 2; text-align: left;
  padding: clamp(4rem, 10vw, 7rem) 26px clamp(5rem, 12vw, 8rem);
  max-width: 900px;
}
.hero h1 { margin-bottom: .4rem; text-shadow: 0 4px 30px rgba(0,0,0,.5); }
.hero .eyebrow { color: var(--amber); }
.hero-sub { font-size: 1.22rem; color: #cdd8e4; max-width: 56ch; margin: 1.2rem 0 0; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: flex-start; margin: 2.2rem 0 2.8rem; }

/* Trust bar: horizontal, thin amber top rules */
.hero-trust {
  display: flex; gap: 1.6rem; flex-wrap: wrap; list-style: none;
  padding: 0; margin: 0; max-width: 760px;
}
.hero-trust li {
  flex: 1; min-width: 150px; display: flex; flex-direction: column;
  padding-top: 1rem; border-top: 2px solid var(--amber);
}
.hero-trust strong { font-family: var(--font-cond); color: var(--head); font-size: 1.55rem; font-weight: 700; letter-spacing: .01em; line-height: 1.1; }
.hero-trust span { color: var(--body); font-size: .9rem; }

/* ---------- Sections ---------- */
.section { padding: clamp(3.8rem, 8vw, 6.5rem) 0; position: relative; }
.section-alt { background: var(--panel); }
.section-alt .container { position: relative; z-index: 1; }
.section-lead { font-size: 1.14rem; color: var(--body); max-width: 62ch; margin-bottom: 2.6rem; }

/* Blueprint grid on the alternate (panel) sections */
.section-alt > .blueprint { display: block; }

/* ---------- Value pillars band ---------- */
.pillars-band {
  background: var(--panel); color: var(--body); padding: 3.4rem 0; position: relative;
  border-bottom: 1px solid var(--line);
}
.pillars { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2.4rem; }
.pillar { text-align: center; padding: 0 .5rem; }
.pillar-icon {
  display: inline-grid; place-items: center; width: 62px; height: 62px;
  border-radius: 12px; margin-bottom: 1rem; color: var(--amber);
  background: rgba(245,158,11,.08); border: 1.5px solid rgba(245,158,11,.4);
  box-shadow: inset 0 0 20px rgba(245,158,11,.06);
}
.pillar-icon svg { width: 28px; height: 28px; display: block; }
.pillar h3 { color: var(--head); margin-bottom: .4rem; }
.pillar p { color: var(--body); margin: 0; font-size: .97rem; }

/* ---------- Pricing & turnaround ---------- */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1.4rem; margin-bottom: 1.8rem; }
.price-card {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2.1rem 1.7rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.price-card:hover { transform: translateY(-5px); border-color: var(--amber); box-shadow: var(--shadow-amber); }
.price-card.featured {
  border-color: rgba(245,158,11,.55);
  background:
    linear-gradient(160deg, rgba(245,158,11,.10) 0%, rgba(245,158,11,0) 55%),
    var(--card);
  box-shadow: 0 0 0 1px rgba(245,158,11,.25), var(--shadow-sm);
}
.price-card.featured:hover { box-shadow: 0 0 0 1px rgba(245,158,11,.4), var(--shadow-amber); }
.price-badge {
  position: absolute; top: -13px; left: 1.7rem;
  background: linear-gradient(180deg, var(--amber), var(--amber-600)); color: #1a0e02;
  font-family: var(--font-cond); font-size: .82rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; padding: .3rem .85rem; border-radius: 999px; box-shadow: 0 6px 16px rgba(245,158,11,.4);
}
.price-card h3 { color: var(--head); margin-bottom: .7rem; }
.price { font-family: var(--font-cond); font-size: 1.05rem; color: var(--body); margin: 0 0 .6rem; text-transform: uppercase; letter-spacing: .04em; }
.price strong { display: inline; font-family: var(--font-cond); font-size: 2.2rem; font-weight: 700; color: var(--amber); letter-spacing: 0; }
.price-desc { color: var(--body); margin: 0 0 .5rem; }
.price-desc strong { color: var(--head); }
.price-from { color: var(--faint); font-weight: 500; font-size: .9rem; margin: 0; }
.price-fine { color: var(--body); font-size: .98rem; margin: 0 0 1.6rem; }

/* ---------- Feature service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(265px, 1fr)); gap: 1.4rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.9rem; transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-5px); border-color: var(--amber); box-shadow: var(--shadow-amber); }
.card h3 { color: var(--head); }
.card p { color: var(--body); margin: 0; }
.card-feature { border-top: 2px solid var(--amber); }
.card-tag {
  display: inline-block; background: transparent; color: var(--amber);
  font-family: var(--font-cond); font-size: .82rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .1em; padding: .22rem .7rem; border: 1px solid rgba(245,158,11,.5);
  border-radius: 999px; margin-bottom: .9rem;
}

/* ---------- Two column layout ---------- */
.two-col { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3.5rem; align-items: start; }
.two-col p { color: var(--body); }
.two-col strong { color: var(--head); }
.checklist { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.checklist li { padding-left: 2rem; position: relative; margin-bottom: .75rem; color: var(--body); }
.checklist li::before {
  content: "\2713"; position: absolute; left: 0; top: 1px; color: var(--amber); font-weight: 800;
  width: 22px; height: 22px; background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.35);
  border-radius: 50%; display: grid; place-items: center; font-size: .8rem;
}

/* About stats panel — big amber condensed numerals on a blueprint panel */
.about-panel {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .5rem 1.9rem; box-shadow: var(--shadow-sm);
}
.about-panel .blueprint { display: block; }
.about-panel .stat { position: relative; z-index: 1; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.about-panel .stat:last-child { border-bottom: 0; }
.stat-num { display: block; font-family: var(--font-cond); font-size: 3rem; font-weight: 700; color: var(--amber); letter-spacing: 0; line-height: 1; }
.stat-label { color: var(--body); font-family: var(--font-cond); text-transform: uppercase; letter-spacing: .12em; font-size: .92rem; font-weight: 500; margin-top: .3rem; display: block; }

/* ---------- Process steps ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 1.8rem; position: relative; }
.steps li { position: relative; padding-top: .6rem; }
/* connecting hairline across the top of the row */
.steps li::after {
  content: ""; position: absolute; top: 30px; left: 54px; right: -1.8rem; height: 1px;
  background: linear-gradient(90deg, rgba(245,158,11,.4), rgba(245,158,11,0));
}
.steps li:last-child::after { display: none; }
.step-num {
  display: inline-grid; place-items: center; width: 54px; height: 54px; border-radius: 12px;
  background: transparent; color: var(--amber); border: 1.5px solid rgba(245,158,11,.5);
  font-family: var(--font-cond); font-weight: 700; font-size: 1.7rem; margin-bottom: 1rem;
  position: relative; z-index: 1;
}
.steps h3 { color: var(--head); }
.steps p { color: var(--body); }

/* ---------- Projects gallery (masonry) ---------- */
.gallery { column-count: 3; column-gap: 1.4rem; }
.project {
  break-inside: avoid; -webkit-column-break-inside: avoid; page-break-inside: avoid;
  margin: 0 0 1.4rem; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--card); transition: transform .2s, box-shadow .2s, border-color .2s;
  display: inline-block; width: 100%;
}
.project:hover { transform: translateY(-4px); border-color: var(--amber); box-shadow: var(--shadow-amber); }
.project-img-wrap { overflow: hidden; }
.project-img { width: 100%; height: auto; display: block; background: #0c141f; transition: transform .5s ease; }
.project:hover .project-img { transform: scale(1.04); }
.project figcaption { padding: 1.15rem 1.3rem 1.3rem; display: flex; flex-direction: column; }
.project figcaption strong { font-family: var(--font-disp); font-weight: 700; color: var(--head); padding-bottom: .5rem; position: relative; }
.project figcaption strong::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--amber); }
.project figcaption span { color: var(--body); font-size: .9rem; margin-top: .55rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: .8rem; max-width: 800px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0 1.4rem; transition: border-color .2s; }
.faq details[open] { border-color: var(--line-2); }
.faq summary { cursor: pointer; font-family: var(--font-disp); font-weight: 700; color: var(--head); padding: 1.15rem 0; list-style: none; position: relative; padding-right: 2rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.6rem; color: var(--amber); font-weight: 400; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 1.15rem; color: var(--body); }

/* ---------- Contact ---------- */
.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.contact-list li { display: flex; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.contact-list li span:not(.contact-label), .contact-list li a { color: var(--head); }
.contact-label { min-width: 110px; color: var(--faint); font-family: var(--font-cond); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.contact-form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; display: grid; gap: 1rem; box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: .4rem; font-family: var(--font-cond); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; font-size: .92rem; color: var(--head); }
.contact-form input, .contact-form textarea {
  font: inherit; font-family: var(--font-body); text-transform: none; letter-spacing: normal; font-weight: 400;
  padding: .8rem .9rem; border: 1px solid var(--line-2); border-radius: 10px; background: #0c131d; color: var(--head);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--faint); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--amber); background: #0e1622; box-shadow: 0 0 0 3px rgba(245,158,11,.22); }
.form-note { font-size: .82rem; color: var(--body); font-weight: 400; margin: 0; font-family: var(--font-body); text-transform: none; letter-spacing: normal; }
.label-hint { font-family: var(--font-body); font-weight: 400; text-transform: none; letter-spacing: normal; color: var(--faint); font-size: .82rem; }
.contact-form input[type="file"] {
  font-family: var(--font-body); font-size: .9rem; padding: .7rem .8rem; cursor: pointer;
  border: 1px dashed var(--line-2); background: #0c131d; color: var(--body);
}
.contact-form input[type="file"]::file-selector-button {
  font-family: var(--font-cond); font-weight: 600; font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; cursor: pointer;
  margin-right: .8rem; padding: .45rem .95rem; border: 0; border-radius: 8px;
  background: linear-gradient(180deg, var(--amber), var(--amber-600)); color: #1a0e02;
}
.contact-form input[type="file"]:hover { border-color: var(--amber); }

/* ---------- Footer ---------- */
.site-footer { background: #06090e; color: var(--body); padding: 3rem 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-logo {
  height: 48px; width: auto; display: block; margin-bottom: .9rem;
  padding: 6px 10px; background: #f5f7fa; border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(0,0,0,.4);
}
.site-footer .brand-name { color: var(--head); font-family: var(--font-disp); font-weight: 700; font-size: 1.05rem; }
.footer-fine { font-size: .86rem; color: var(--body); margin: .35rem 0 0; }
.footer-fine a { color: var(--head); }
.footer-fine a:hover { color: var(--amber); }
.footer-copy { font-size: .84rem; color: var(--faint); margin: 0; }

/* ---------- Scroll reveal (only active when JS present) ---------- */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease-out, transform .6s ease-out; will-change: opacity, transform; }
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; gap: 2.4rem; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute; top: 92px; left: 0; right: 0; flex-direction: column; align-items: flex-start;
    gap: 0; background: rgba(10,15,22,.98); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-2);
    padding: .5rem 26px 1rem; display: none; box-shadow: var(--shadow);
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; padding: .85rem 0; width: 100%; }
  .nav-cta { display: inline-block; margin-top: .5rem; }
  .steps li::after { display: none; }
  .gallery { column-count: 2; }
}

@media (max-width: 560px) {
  .gallery { column-count: 1; }
  /* Stronger overlay on small screens so the hero copy stays legible */
  .hero {
    background:
      linear-gradient(180deg, rgba(10,15,22,.78) 0%, rgba(10,15,22,.62) 45%, rgba(10,15,22,.9) 100%),
      url("../assets/projects/steel-frame-sunset.jpg");
    background-size: cover; background-position: center 35%;
  }
  .hero-trust li { min-width: 130px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  html.js .reveal { opacity: 1 !important; transform: none !important; }
}