/* ══════════════════════════════════════════════════════
   PIPEWRENCH SOFTWARE LLC — www.pipewrenchsoftware.com
   Design language matched to RollCart app (main.css)
   ══════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────────── */
:root {
  /* Dark theme (default) — exact match to app */
  --bg:      #0c0d0f;
  --card:    #14161a;
  --raised:  #1c1f25;
  --border:  #22252c;
  --border2: #2c303a;
  --text:    #ecedf0;
  --mid:     #6a6d78;
  --dim:     #32353d;

  /* Brand accent colors — exact match to app */
  --torque:  #d63031;
  --socket:  #1a72e8;
  --measure: #00a878;
  --pressure:#d4880a;
  --fluid:   #7c5cbf;
  --temp:    #c0788a;
}

[data-theme="light"] {
  --bg:      #edecea;
  --card:    #e3e1dd;
  --raised:  #d6d4cf;
  --border:  #c4c2bd;
  --border2: #aeaca6;
  --text:    #17191d;
  --mid:     #60636e;
  --dim:     #9295a0;
}

/* ── RESET / BASE ────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Saira', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  transition: background .2s, color .2s;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* ── NAV ─────────────────────────────────────────────── */
#nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background .2s, border-color .2s;
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 62px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 1px;
  flex-shrink: 0;
}

.logo-mark {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.3px;
  color: var(--text);
  transition: color .15s;
}

.logo-mark .accent { color: var(--torque); }

.logo-sub {
  font-family: 'Saira', sans-serif;
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid);
  transition: color .15s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--torque);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transition: opacity .2s, transform .2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

/* Theme toggle — identical pattern to app */
.theme-toggle {
  background: none;
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 4px 10px;
  color: var(--mid);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background .1s, border-color .1s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--raised);
  border-color: var(--mid);
}

/* ── HERO ────────────────────────────────────────────── */
#hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* Industrial grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.25;
  pointer-events: none;
}

/* Top accent stripe — torque red */
#hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--torque);
}

.hero-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 100px 24px 80px;
}

.hero-eyebrow {
  font-family: 'Saira', sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 22px;
}

.hero-wordmark {
  font-family: 'Saira Condensed', sans-serif;
  font-size: clamp(60px, 11vw, 136px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -2px;
  color: var(--text);
  margin-bottom: 32px;
}

.hero-wordmark .accent { color: var(--torque); }

.hero-llc {
  font-weight: 400;
  color: var(--mid);
  letter-spacing: 4px;
  font-size: clamp(24px, 4vw, 52px);
}

.hero-tagline {
  font-family: 'Saira', sans-serif;
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 300;
  color: var(--mid);
  max-width: 500px;
  line-height: 1.55;
  letter-spacing: 0.5px;
}

/* ── SHARED SECTION STYLES ───────────────────────────── */
section {
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-label {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 40px;
}

/* ── PRODUCTS ────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 22px 22px;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .15s;
}

.product-card:hover {
  border-color: var(--c, var(--border2));
  transform: translateY(-3px);
}

/* Top accent bar — same pattern as app tool-card */
.product-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c, var(--dim));
  border-radius: 16px 16px 0 0;
}

/* Subtle ambient glow */
.product-card-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: var(--c, transparent);
  opacity: 0.05;
  pointer-events: none;
}

.product-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.product-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.product-status {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--c) 12%, transparent);
  color: var(--c);
  border: 1px solid color-mix(in srgb, var(--c) 30%, transparent);
  white-space: nowrap;
  flex-shrink: 0;
}

.product-name {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text);
  line-height: 1;
  margin-bottom: 12px;
}

.product-desc {
  font-family: 'Saira', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.65;
  margin-bottom: 20px;
}

.product-platforms {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.platform-tag {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--raised);
  color: var(--mid);
  border: 1px solid var(--border2);
}

/* ── ABOUT ───────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.about-heading {
  font-family: 'Saira Condensed', sans-serif;
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 22px;
}

.about-body {
  font-family: 'Saira', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.75;
  max-width: 520px;
}

/* Founder card */
.founder-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.founder-photo-wrap {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  border: 2px solid var(--border2);
  overflow: hidden;
  background: var(--raised);
  position: relative;
}

.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.founder-photo-placeholder {
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  font-family: 'Saira Condensed', sans-serif;
  font-size: 52px;
  font-weight: 900;
  color: var(--mid);
}

.founder-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.founder-name {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--text);
  text-align: center;
}

.founder-title {
  font-family: 'Saira', sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
  text-align: center;
}

/* ── CONTACT ─────────────────────────────────────────── */
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 520px;
}

.contact-heading {
  font-family: 'Saira Condensed', sans-serif;
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}

.contact-email {
  font-family: 'Saira Condensed', sans-serif;
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 700;
  color: var(--torque);
  letter-spacing: 0.3px;
  transition: opacity .15s;
  word-break: break-all;
}

.contact-email:hover {
  opacity: 0.7;
}

.contact-note {
  font-family: 'Saira', sans-serif;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.5px;
  color: var(--dim);
}

/* ── FOOTER ──────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  background: var(--card);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: 'Saira Condensed', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--mid);
  margin-right: auto;
}

.footer-copy {
  font-family: 'Saira', sans-serif;
  font-size: 12px;
  font-weight: 300;
  color: var(--dim);
  letter-spacing: 0.5px;
}

.footer-link {
  font-family: 'Saira', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--dim);
  letter-spacing: 0.5px;
  transition: color .15s;
}

.footer-link:hover {
  color: var(--mid);
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 720px) {
  .nav-links {
    display: none;
  }

  .section-inner {
    padding: 60px 20px;
  }

  .hero-inner {
    padding: 80px 20px 60px;
  }

  /* About: stack vertically, photo row on top */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .founder-card {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    order: -1;
  }

  .founder-photo-wrap {
    width: 76px;
    height: 76px;
    flex-shrink: 0;
  }

  .founder-info {
    align-items: flex-start;
  }

  .founder-name, .founder-title {
    text-align: left;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .footer-brand {
    margin-right: 0;
  }
}

@media (max-width: 480px) {
  .hero-wordmark {
    letter-spacing: -1px;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
}