/* ═══════════════════════════════════════════
   PIPINGPASSION.COM — SHARED STYLESHEET
   Palette: Navy #09152A · Gold #C9930A · #F0B429
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,400;0,600;0,700;0,800;0,900;1,600;1,700&family=Barlow:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

:root {
  --navy:    #09152A;
  --navy-2:  #0D1E38;
  --navy-3:  #142645;
  --navy-4:  #06101E;
  --gold:    #C9930A;
  --gold-lt: #F0B429;
  --white:   #F5F0E8;
  --muted:   #8EA3BE;
  --dim:     #3D5A7A;
  --border:  rgba(201,147,10,0.18);
  --border-s: rgba(201,147,10,0.35);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: 'Barlow', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── NOISE TEXTURE ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(9,21,42,0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 0 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.nav-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; font-size: 1.1rem; letter-spacing: 0.08em;
  color: var(--white); text-decoration: none;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; gap: 1.1rem; list-style: none; }
.nav-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-lt); }
.nav-links .nav-cta {
  color: var(--gold); border: 1px solid var(--border);
  padding: 0.22rem 0.9rem; border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.nav-links .nav-cta:hover { background: var(--gold); color: var(--navy); }

/* ── PAGE HEADER ── */
.page-header {
  position: relative;
  padding: 5rem 2.5rem 3.5rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--navy-3) 0%, var(--navy) 60%);
  z-index: 0;
}
.page-header-inner { position: relative; z-index: 1; max-width: 900px; }
.page-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.page-eyebrow::before { content: ''; width: 24px; height: 2px; background: var(--gold); flex-shrink: 0; }
.page-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900; font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.0; color: var(--white);
  text-transform: uppercase; letter-spacing: -0.01em;
  margin-bottom: 0.8rem;
}
.page-title span { color: var(--gold-lt); }
.page-desc {
  font-size: 1.05rem; color: var(--muted);
  max-width: 620px; line-height: 1.75;
}


/* ── PIPE DECORATION ── */
.page-header::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 340px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='340' height='400' viewBox='0 0 340 400'%3E%3Cg opacity='0.07' stroke='%23C9930A' fill='none' stroke-linecap='round'%3E%3Crect x='60' y='40' width='220' height='40' rx='20' stroke-width='8'/%3E%3Crect x='60' y='40' width='220' height='40' rx='20' stroke-width='2' opacity='0.5'/%3E%3Cline x1='60' y1='60' x2='20' y2='60' stroke-width='8'/%3E%3Ccircle cx='20' cy='60' r='16' stroke-width='5'/%3E%3Cline x1='280' y1='60' x2='320' y2='60' stroke-width='8'/%3E%3Crect x='308' y='44' width='24' height='32' rx='4' stroke-width='4'/%3E%3Crect x='60' y='140' width='220' height='40' rx='20' stroke-width='8'/%3E%3Cline x1='60' y1='160' x2='20' y2='160' stroke-width='8'/%3E%3Ccircle cx='20' cy='160' r='16' stroke-width='5'/%3E%3Cline x1='280' y1='160' x2='340' y2='160' stroke-width='6'/%3E%3Crect x='60' y='240' width='160' height='36' rx='18' stroke-width='8'/%3E%3Cline x1='220' y1='258' x2='280' y2='258' stroke-width='6'/%3E%3Ccircle cx='280' cy='258' r='14' stroke-width='4'/%3E%3Cline x1='170' y1='80' x2='170' y2='140' stroke-width='8'/%3E%3Cline x1='120' y1='180' x2='120' y2='240' stroke-width='8'/%3E%3Crect x='60' y='320' width='100' height='32' rx='16' stroke-width='6'/%3E%3Cline x1='160' y1='336' x2='220' y2='336' stroke-width='6'/%3E%3Ccircle cx='230' cy='336' r='12' stroke-width='4'/%3E%3Cline x1='80' y1='352' x2='80' y2='390' stroke-width='8'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center right;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
}
.hero::before {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 420px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='600' viewBox='0 0 420 600'%3E%3Cg opacity='0.06' stroke='%23C9930A' fill='none' stroke-linecap='round'%3E%3Crect x='40' y='60' width='260' height='48' rx='24' stroke-width='10'/%3E%3Cline x1='40' y1='84' x2='0' y2='84' stroke-width='10'/%3E%3Ccircle cx='0' cy='84' r='20' stroke-width='6'/%3E%3Cline x1='300' y1='84' x2='360' y2='84' stroke-width='8'/%3E%3Crect x='348' y='66' width='30' height='36' rx='5' stroke-width='5'/%3E%3Crect x='40' y='180' width='260' height='48' rx='24' stroke-width='10'/%3E%3Cline x1='40' y1='204' x2='0' y2='204' stroke-width='10'/%3E%3Ccircle cx='0' cy='204' r='20' stroke-width='6'/%3E%3Cline x1='300' y1='204' x2='420' y2='204' stroke-width='8'/%3E%3Crect x='40' y='300' width='180' height='44' rx='22' stroke-width='10'/%3E%3Cline x1='220' y1='322' x2='300' y2='322' stroke-width='8'/%3E%3Ccircle cx='316' cy='322' r='18' stroke-width='5'/%3E%3Cline x1='170' y1='108' x2='170' y2='180' stroke-width='10'/%3E%3Cline x1='120' y1='228' x2='120' y2='300' stroke-width='10'/%3E%3Crect x='40' y='410' width='130' height='38' rx='19' stroke-width='8'/%3E%3Cline x1='170' y1='429' x2='260' y2='429' stroke-width='8'/%3E%3Ccircle cx='275' cy='429' r='16' stroke-width='5'/%3E%3Cline x1='90' y1='448' x2='90' y2='510' stroke-width='10'/%3E%3Crect x='40' y='510' width='260' height='44' rx='22' stroke-width='8'/%3E%3Cline x1='300' y1='532' x2='360' y2='532' stroke-width='7'/%3E%3Ccircle cx='374' cy='532' r='16' stroke-width='5'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center right;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
}

/* ── LAYOUT ── */
.container { max-width: 1100px; margin: 0 auto; width: 100%; padding: 0 2.5rem; }
.section { padding: 4.5rem 2.5rem; }
.section-alt { background: var(--navy-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ── SECTION LABEL ── */
.section-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 2rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-tag::after { content: ''; flex: 1; height: 1px; background: var(--border); max-width: 180px; }

/* ── GOLD BAR ── */
.gold-bar {
  height: 3px;
  background: linear-gradient(to right, transparent, var(--gold), var(--gold-lt), var(--gold), transparent);
  opacity: 0.55;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 0.95rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--gold); color: var(--navy);
  padding: 0.75rem 2rem; border-radius: 4px;
  text-decoration: none; border: none; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--gold-lt); transform: translateY(-1px); }
.btn-ghost {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); text-decoration: none;
  border-bottom: 1px solid var(--border); padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--gold-lt); border-color: var(--gold); }

/* ── TAG / BADGE ── */
.tag {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--navy); background: var(--gold);
  padding: 0.18rem 0.65rem; border-radius: 3px;
}
.tag-outline {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold); border: 1px solid var(--border-s);
  padding: 0.18rem 0.65rem; border-radius: 3px;
}

/* ── CARD GRID ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}
.card {
  background: var(--navy-2); padding: 2rem 1.8rem;
  text-decoration: none; color: var(--white);
  transition: background 0.2s; position: relative; overflow: hidden;
}
.card::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--gold); transform: scaleX(0);
  transform-origin: left; transition: transform 0.25s;
}
.card:hover { background: var(--navy-3); }
.card:hover::after { transform: scaleX(1); }
.card-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.6rem;
}
.card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 1.2rem;
  color: var(--white); margin-bottom: 0.5rem; line-height: 1.2;
}
.card-text { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
.card-arrow {
  display: block; margin-top: 1.2rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold); opacity: 0; transition: opacity 0.2s;
}
.card:hover .card-arrow { opacity: 1; }

/* ── TIP CARD (listing) ── */
.tip-list { display: flex; flex-direction: column; gap: 1px; }
.tip-item {
  display: grid; grid-template-columns: 4px 1fr;
  gap: 1.6rem; align-items: start;
  background: var(--navy-2); padding: 1.8rem 2rem;
  text-decoration: none; color: var(--white);
  border-bottom: 1px solid var(--border);
  transition: background 0.18s;
}
.tip-item:hover { background: var(--navy-3); }
.tip-item-accent { background: var(--gold); border-radius: 2px; }
.tip-item-accent.brownfield { background: #1D9E75; }
.tip-item-accent.scan { background: #7F77DD; }
.tip-item-accent.welding { background: #D85A30; }
.tip-item-accent.layout { background: var(--gold); }
.tip-meta-row {
  display: flex; align-items: center; gap: 0.8rem;
  margin-bottom: 0.4rem;
}
.tip-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; color: var(--gold); text-transform: uppercase;
}
.tip-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 1.25rem;
  color: var(--white); line-height: 1.2; margin-bottom: 0.4rem;
}
.tip-excerpt { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }
.tip-read {
  display: inline-block; margin-top: 0.8rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); transition: color 0.2s;
}
.tip-item:hover .tip-read { color: var(--gold-lt); }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  background: var(--navy-4);
  padding: 2rem 2.5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; font-size: 1.1rem; color: var(--dim);
}
.footer-logo span { color: var(--gold); }
.footer-copy { font-size: 0.78rem; color: var(--dim); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--dim); text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: var(--gold); }

/* ── REVEAL ANIMATION ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── DIVIDER ── */
.divider { width: 50px; height: 2px; background: rgba(201,147,10,0.4); margin: 1.5rem 0; }

/* ── PROSE ── */
.prose { max-width: 720px; }
.prose h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; font-size: 1.7rem; text-transform: uppercase;
  color: var(--white); margin: 2rem 0 0.8rem; line-height: 1.1;
}
.prose h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 1.2rem; text-transform: uppercase;
  color: var(--gold-lt); margin: 1.5rem 0 0.5rem;
}
.prose p { color: #B0C4D8; margin-bottom: 1rem; }
.prose ul { list-style: none; margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.prose ul li {
  color: #B0C4D8; padding-left: 1.2rem; position: relative; font-size: 0.95rem;
}
.prose ul li::before {
  content: ''; position: absolute; left: 0; top: 0.65em;
  width: 14px; height: 2px; background: var(--gold);
}
.prose blockquote {
  border-left: 3px solid var(--gold); padding-left: 1.4rem;
  margin: 1.5rem 0; font-style: italic; color: var(--muted);
}

/* ── TABLE ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-table th {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold); padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-s);
  text-align: left; background: var(--navy-3);
}
.data-table td {
  padding: 0.7rem 1rem; color: #B0C4D8;
  border-bottom: 1px solid var(--border);
  font-family: 'Barlow', monospace; font-size: 0.85rem;
}
.data-table tr:hover td { background: var(--navy-3); }
.data-table .col-name { color: var(--white); font-weight: 500; }

/* ── BOOK PROMO BOX ── */
.book-promo {
  background: var(--navy-3); border: 1px solid var(--border);
  border-radius: 8px; padding: 2.5rem;
  display: flex; gap: 2rem; align-items: center;
}
.book-promo-cover {
  width: 110px; flex-shrink: 0;
  border-radius: 4px; overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5), 3px 3px 0 rgba(201,147,10,0.2);
}
.book-promo-cover img { width: 100%; display: block; }
.book-promo-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; font-size: 1.25rem; text-transform: uppercase;
  color: var(--white); margin-bottom: 0.4rem;
}
.book-promo-meta {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.6rem;
}
.book-promo-text { font-size: 0.88rem; color: var(--muted); margin-bottom: 1rem; }


 }


/* ── SIDE SKETCHES ── */
.deco-wrap { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.deco-wrap img {
  position: absolute; opacity: 0.11;
  width: calc((100vw - 1100px) / 2 - 10px);
  min-width: 100px; max-width: 220px;
  top: 50%; transform: translateY(-50%);
}
.deco-wrap .sk-l { left: 10px; }
.deco-wrap .sk-r { right: 10px; }
@media (max-width: 1200px) { .deco-wrap { display: none; } }

/* ── RESPONSIVE ── */

/* ── HAMBURGER ── */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; cursor: pointer; background: none; border: none; padding: 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--gold); border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 62px; left: 0; right: 0;
    background: rgba(9,21,42,0.98); border-bottom: 1px solid var(--border);
    padding: 0.5rem 0; z-index: 200;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block; padding: 0.85rem 2rem;
    border-bottom: 1px solid var(--border); font-size: 0.9rem;
  }
  .nav-links .nav-cta {
    margin: 0.5rem 2rem; border-radius: 4px;
    text-align: center; border: 1px solid var(--border);
  }
}
@media (max-width: 768px) {
  nav { padding: 0 1.2rem; }
  .page-header { padding: 3rem 1.2rem 2rem; }
  .section { padding: 3rem 1.2rem; }
  .container { padding: 0 1.2rem; }
  .book-promo { flex-direction: column; }
  footer { flex-direction: column; align-items: flex-start; }
}