/* =========================================================
   Wenlyn Screw Company — site styles
   Industrial / modern, fast, no external dependencies
   ========================================================= */

:root {
  --navy: #0f2740;
  --navy-700: #15324f;
  --steel: #2f5d8a;
  --steel-light: #e7eef5;
  --accent: #d4761a;      /* machined-copper accent */
  --accent-dark: #b5610f;
  --ink: #1a2230;
  --muted: #5b6675;
  --line: #dfe4ea;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(15, 39, 64, 0.10);
  --maxw: 1140px;
  --font: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.65;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; color: var(--navy); margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -0.5px; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; }
a { color: var(--steel); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: 72px 0; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy); color: #dfe7f0; }
.section--navy h2, .section--navy h3 { color: #fff; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 760px; }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: 2px;
  font-size: .78rem; font-weight: 700; color: var(--accent); margin-bottom: .6rem;
}
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 8px;
  font-weight: 600; cursor: pointer; border: 2px solid transparent;
  transition: all .18s ease; font-size: 1rem;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn--ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn--outline { border-color: var(--steel); color: var(--steel); }
.btn--outline:hover { background: var(--steel); color: #fff; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 42px; height: 42px; flex: none; border-radius: 9px;
  background: linear-gradient(135deg, var(--navy), var(--steel));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1.1rem;
}
.brand__name { font-weight: 800; color: var(--navy); font-size: 1.18rem; letter-spacing: -.3px; line-height: 1; }
.brand__tag { font-size: .72rem; color: var(--muted); letter-spacing: .5px; }
.nav__links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: var(--ink); font-weight: 600; font-size: .98rem; }
.nav__links a:hover, .nav__links a.active { color: var(--accent); }
.nav__cta { display: flex; align-items: center; gap: 16px; }
.nav__phone { font-weight: 700; color: var(--navy); white-space: nowrap; }
.nav__phone:hover { color: var(--accent); }
.nav__toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: 8px;
  flex-direction: column; gap: 5px;
}
.nav__toggle span { width: 26px; height: 3px; background: var(--navy); border-radius: 2px; }

@media (max-width: 880px) {
  .nav__links {
    position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 22px 18px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links li { width: 100%; }
  .nav__links a { display: block; padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav__toggle { display: flex; }
  .nav__phone { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-700) 55%, var(--steel) 130%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .10;
  background-image: radial-gradient(circle at 1px 1px, #fff 1px, transparent 0);
  background-size: 22px 22px;
}
.hero__inner { position: relative; z-index: 1; padding: 92px 0 84px; max-width: 820px; }
.hero h1 { color: #fff; }
.hero p { font-size: 1.2rem; color: #cdd9e6; max-width: 640px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.badge {
  font-size: .82rem; font-weight: 600; color: #dbe6f1;
  border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 6px 14px;
}

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.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; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow); height: 100%;
}
.card h3 { display: flex; align-items: center; gap: 10px; }
.card__icon {
  width: 40px; height: 40px; flex: none; border-radius: 9px; background: var(--steel-light);
  display: grid; place-items: center; color: var(--steel);
}
.card ul { margin: .5rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.card ul li { margin-bottom: .35rem; }

/* ---------- Product pills ---------- */
.pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.pill {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 16px; font-weight: 600; color: var(--navy); font-size: .95rem;
}

/* ---------- Spec table ---------- */
.spec-table { width: 100%; border-collapse: collapse; margin-top: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.spec-table th { background: var(--steel-light); color: var(--navy); font-size: .9rem; text-transform: uppercase; letter-spacing: .5px; }
.spec-table tr:last-child td { border-bottom: 0; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; text-align: center; }
@media (max-width: 720px){ .stats { grid-template-columns: repeat(2,1fr); } }
.stat__num { font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat__label { color: #cdd9e6; font-size: .95rem; margin-top: 6px; }

/* ---------- Bios ---------- */
.bio { display: grid; gap: 6px; }
.bio__role { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; font-size: .8rem; }

/* ---------- Quote ---------- */
.quote { border-left: 4px solid var(--accent); padding: 6px 0 6px 24px; font-size: 1.3rem;
  font-style: italic; color: var(--navy); max-width: 820px; }
.quote cite { display: block; font-style: normal; font-size: .95rem; color: var(--muted); margin-top: 12px; font-weight: 600; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 820px){ .contact-grid { grid-template-columns: 1fr; } }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-list strong { display: block; color: var(--navy); }
.contact-icon { width: 38px; height: 38px; flex: none; border-radius: 9px; background: var(--steel-light);
  display: grid; place-items: center; color: var(--steel); }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 1rem;
}
.field textarea { min-height: 130px; resize: vertical; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: #fff; }
.faq summary { cursor: pointer; padding: 18px 20px; font-weight: 700; color: var(--navy); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { padding: 0 20px 18px; margin: 0; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--accent); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band .btn--primary { background: #fff; color: var(--accent-dark); }
.cta-band .btn--primary:hover { background: var(--navy); color: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #aebccd; padding: 56px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; }
@media (max-width: 760px){ .footer-grid { grid-template-columns: 1fr; gap: 26px; } }
.site-footer h4 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.site-footer a { color: #aebccd; }
.site-footer a:hover { color: #fff; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 20px;
  font-size: .88rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color:#fff; padding: 10px 16px; z-index: 100; }
.skip-link:focus { left: 0; }