/* ═══════════════════════════════════════════════════════
   PipePro Services — Redesign
   Modern premium corporate · Blue + safety-orange accent
═══════════════════════════════════════════════════════ */

:root {
  /* Brand — blues */
  --navy:        #0A2540;
  --navy-2:      #0E3454;
  --blue:        #1668C7;
  --blue-hover:  #0F529E;
  --blue-tint:   #E9F1FB;

  /* Accent — safety orange */
  --accent:        #FF6A1A;
  --accent-hover:  #E85B0C;
  --accent-tint:   #FFF0E6;

  /* Neutrals — warm */
  --bg:          #FBFCFD;
  --bg-alt:      #F1F5F9;
  --card:        #FFFFFF;
  --line:        #E4EAF0;
  --line-2:      #D6DEE7;

  /* Text */
  --ink:         #0A2540;
  --ink-2:       #3E5063;
  --muted:       #6C7E8F;
  --on-dark:     #FFFFFF;
  --on-dark-2:   #A9C2DA;
  --on-dark-3:   #6E88A3;

  --radius:      14px;
  --radius-sm:   9px;
  --shadow-sm:   0 1px 3px rgba(10,37,64,.06), 0 1px 2px rgba(10,37,64,.04);
  --shadow-md:   0 12px 34px rgba(10,37,64,.10);
  --shadow-lg:   0 26px 60px rgba(10,37,64,.16);
  --maxw:        1180px;
}

/* ─── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Source Sans 3", system-ui, sans-serif;
  color: var(--ink-2);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: var(--blue); transition: color .18s; }
a:hover { color: var(--blue-hover); }
h1, h2, h3, h4 { font-family: "Archivo", system-ui, sans-serif; color: var(--ink); line-height: 1.12; letter-spacing: -.01em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ─── Logo wordmark ─────────────────────────────────── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
  font-size: 1.42rem;
  letter-spacing: .5px;
  line-height: 1;
  color: var(--navy);
  text-transform: none;
}
.logo .mark {
  width: 34px; height: 34px;
  flex-shrink: 0;
  display: block;
}
.logo .mark circle { fill: none; }
.logo b { font-weight: 700; }
.logo b span { color: var(--accent); }
.logo small {
  display: block;
  font-family: "Source Sans 3", sans-serif;
  font-weight: 600;
  font-size: .5rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}
.logo .stack { display: flex; flex-direction: column; }

/* ─── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: "Archivo", sans-serif;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .16s, background .18s, border-color .18s, color .18s, box-shadow .18s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(255,106,26,.28); }
.btn-accent:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 12px 28px rgba(255,106,26,.34); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn-outline { border-color: var(--line-2); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn .arrow { transition: transform .18s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ─── Nav ───────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(251,252,253,.86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s, background .3s;
}
nav.scrolled { box-shadow: 0 4px 24px rgba(10,37,64,.08); border-bottom-color: var(--line); }
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 32px;
  height: 74px; display: flex; align-items: center; justify-content: space-between;
}
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--ink-2); font-family: "Archivo", sans-serif;
  font-size: .95rem; font-weight: 600; letter-spacing: .01em; position: relative;
}
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--accent); transition: width .22s;
}
.nav-links a:not(.nav-cta):hover, .nav-links a.active { color: var(--navy); }
.nav-links a.active:not(.nav-cta)::after { width: 100%; }
.nav-cta { padding: 10px 22px; border-radius: var(--radius-sm); background: var(--navy); color: #fff !important; }
.nav-cta:hover { background: var(--blue); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.hamburger span { width: 26px; height: 2px; background: var(--navy); border-radius: 2px; transition: .3s; }

/* ─── Hero ──────────────────────────────────────────── */
.hero-panel {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 100vh;
  z-index: 1;
  display: flex; align-items: center;
  background: radial-gradient(120% 120% at 80% 0%, var(--navy-2) 0%, var(--navy) 55%, #071B30 100%);
  color: #fff;
  padding: 130px 0 90px;
  overflow: hidden;
}
.hero-spacer { height: 100vh; }
/* blueprint grid */
.hero-panel::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 90% at 70% 20%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 70% 20%, #000 30%, transparent 78%);
}
.hero-panel::after {
  content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(22,104,199,.30), transparent 62%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 100%; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,106,26,.14); color: #FFB98C;
  border: 1px solid rgba(255,106,26,.35);
  font-size: .74rem; font-weight: 700; font-family: "Archivo", sans-serif;
  letter-spacing: .18em; text-transform: uppercase;
  padding: 7px 15px; border-radius: 100px; margin-bottom: 1.6rem;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero-inner h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  color: #fff; font-weight: 800; line-height: 1.05; margin-bottom: 1.4rem;
}
.hero-inner h1 em { color: var(--accent); font-style: normal; }
.hero-inner .lede { color: var(--on-dark-2); font-size: 1.18rem; max-width: 700px; margin: 0 auto 2.4rem; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.hero-stats {
  display: flex; gap: 3.4rem; margin: 3.6rem auto 0; padding-top: 2.4rem;
  border-top: 1px solid rgba(255,255,255,.12); flex-wrap: wrap;
  justify-content: center;
}
.stat strong { display: block; font-family: "Archivo", sans-serif; font-size: 2.5rem; font-weight: 800; color: #fff; line-height: 1; }
.stat strong span { color: var(--accent); }
.stat p { font-size: .82rem; color: var(--on-dark-3); letter-spacing: .06em; text-transform: uppercase; margin-top: .5rem; font-weight: 600; }

/* ─── Section scaffolding ───────────────────────────── */
section { padding: 108px 0; }
.section-head { max-width: 640px; margin-bottom: 3.4rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: "Archivo", sans-serif; font-size: .78rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); }
.section-head.center .eyebrow { justify-content: center; }
.section-title { font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 800; margin-bottom: 1.1rem; }
.section-sub { font-size: 1.08rem; color: var(--muted); }

/* ─── Services ──────────────────────────────────────── */
#services { background: var(--bg-alt); position: relative; z-index: 2; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.service-card {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2.2rem 2rem 2rem;
  box-shadow: var(--shadow-sm); overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .28s;
}
.service-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); border-color: var(--line-2); }
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  font-family: "Archivo", sans-serif; font-weight: 800; font-size: .95rem;
  color: var(--accent); letter-spacing: .05em; margin-bottom: 1.1rem;
}
.service-card h3 { font-size: 1.28rem; font-weight: 700; margin-bottom: .7rem; }
.service-card p { font-size: .98rem; color: var(--muted); line-height: 1.62; }
.tag-list { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.3rem; }
.tag {
  font-family: "Archivo", sans-serif; font-size: .72rem; font-weight: 600;
  background: var(--blue-tint); color: var(--blue); padding: 5px 12px; border-radius: 100px;
}

/* ─── Why ───────────────────────────────────────────── */
#why { background: var(--navy); color: #fff; position: relative; z-index: 2; overflow: hidden; }
#why::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(100% 80% at 50% 0%, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(100% 80% at 50% 0%, #000 40%, transparent 85%);
}
#why .wrap { position: relative; z-index: 2; }
#why .section-title { color: #fff; }
#why .section-sub { color: var(--on-dark-2); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.3rem; }
.why-item {
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.11);
  border-radius: var(--radius); padding: 2rem 1.7rem; transition: background .25s, border-color .25s, transform .25s;
}
.why-item:hover { background: rgba(255,255,255,.08); border-color: rgba(255,106,26,.5); transform: translateY(-5px); }
.why-item .num {
  font-family: "Archivo", sans-serif; font-weight: 800; font-size: 1.6rem; color: var(--accent);
  display: block; margin-bottom: 1rem; line-height: 1;
}
.why-item h4 { color: #fff; font-size: 1.12rem; font-weight: 700; margin-bottom: .55rem; }
.why-item p { font-size: .92rem; color: var(--on-dark-2); line-height: 1.55; }

/* ─── About ─────────────────────────────────────────── */
#about { background: var(--bg); position: relative; z-index: 2; }
.about-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 4.5rem; align-items: center; }
/* designed panel (image-light) */
.about-panel {
  position: relative;
  background: radial-gradient(120% 120% at 100% 0%, var(--navy-2), var(--navy) 70%);
  border-radius: var(--radius); padding: 3rem 2.6rem; color: #fff; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-panel::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 34px 34px; opacity: .7;
}
.about-panel > * { position: relative; z-index: 2; }
.about-panel .big { font-family: "Archivo", sans-serif; font-weight: 800; font-size: 4.6rem; line-height: 1; color: #fff; }
.about-panel .big span { color: var(--accent); }
.about-panel .big-label { color: var(--on-dark-2); font-size: 1rem; margin-bottom: 2.2rem; letter-spacing: .02em; }
.about-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 1.8rem; border-top: 1px solid rgba(255,255,255,.14); padding-top: 2rem; }
.about-metrics .m strong { display: block; font-family: "Archivo", sans-serif; font-size: 1.7rem; font-weight: 800; color: #fff; }
.about-metrics .m span { font-size: .82rem; color: var(--on-dark-3); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.about-text .about-body { font-size: 1.04rem; color: var(--ink-2); margin-bottom: 1.1rem; }
.about-features { list-style: none; margin: 1.6rem 0 2.2rem; display: grid; gap: .85rem; }
.about-features li { display: flex; align-items: flex-start; gap: .8rem; font-size: 1rem; color: var(--ink-2); }
.about-features li svg { flex-shrink: 0; margin-top: 3px; }

/* ─── Contact ───────────────────────────────────────── */
#contact { background: var(--bg-alt); position: relative; z-index: 2; }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 3.4rem; align-items: start; }
.contact-info h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: .9rem; }
.contact-info > p { color: var(--muted); margin-bottom: 2.2rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.ci-icon {
  width: 46px; height: 46px; border-radius: 11px; flex-shrink: 0;
  background: var(--blue-tint); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
}
.ci-text strong { display: block; font-family: "Archivo", sans-serif; font-size: .78rem; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 2px; }
.ci-text span { font-size: 1rem; color: var(--ink); }

form {
  background: var(--card); padding: 2.6rem; border-radius: var(--radius);
  box-shadow: var(--shadow-md); border: 1px solid var(--line);
}
form h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: .3rem; }
form .form-note { font-size: .95rem; color: var(--muted); margin-bottom: 1.8rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.15rem; }
.form-group label {
  display: block; font-family: "Archivo", sans-serif; font-size: .78rem; font-weight: 700;
  color: var(--ink); margin-bottom: .45rem; text-transform: uppercase; letter-spacing: .06em;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 15px; border: 1.5px solid var(--line-2);
  border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit;
  color: var(--ink); background: #fff; outline: none; transition: border-color .18s, box-shadow .18s;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #9AAAB8; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,104,199,.14);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
  width: 100%; padding: 15px; background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius-sm); font-family: "Archivo", sans-serif; font-size: 1.02rem;
  font-weight: 700; cursor: pointer; transition: background .18s, box-shadow .18s; margin-top: .4rem;
  box-shadow: 0 8px 20px rgba(255,106,26,.26);
}
.btn-submit:hover { background: var(--accent-hover); }
.btn-submit:disabled { opacity: .7; cursor: default; }
.form-success { display: none; text-align: center; padding: 2.5rem 1rem; }
.form-success .check { width: 66px; height: 66px; margin: 0 auto 1rem; border-radius: 50%; background: var(--accent-tint); display: flex; align-items: center; justify-content: center; }
.form-success h4 { font-size: 1.35rem; font-weight: 700; margin-bottom: .5rem; }
.form-success p { color: var(--muted); }

/* ─── Footer ────────────────────────────────────────── */
footer { background: #071B30; color: var(--on-dark-2); padding: 56px 0 30px; position: relative; z-index: 2; }
.footer-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.6rem; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 24px; }
footer .logo { color: #fff; }
footer .logo small { color: var(--on-dark-3); }
.footer-links { display: flex; gap: 2rem; list-style: none; flex-wrap: wrap; }
.footer-links a { color: var(--on-dark-2); font-family: "Archivo", sans-serif; font-size: .92rem; font-weight: 600; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .6rem; font-size: .85rem; color: var(--on-dark-3); }

/* ─── Scroll top ────────────────────────────────────── */
#scrollTop {
  position: fixed; bottom: 28px; right: 28px; width: 48px; height: 48px;
  background: var(--navy); color: #fff; border: none; border-radius: 12px; cursor: pointer;
  display: none; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); transition: background .18s, transform .18s; z-index: 888;
}
#scrollTop:hover { background: var(--blue); transform: translateY(-3px); }

/* ─── Reveal animation ──────────────────────────────── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ─── Responsive ────────────────────────────────────── */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.6rem; }
  .about-panel .big { font-size: 3.8rem; }
}
@media (max-width: 720px) {
  .wrap, .nav-inner { padding-left: 20px; padding-right: 20px; }
  section { padding: 78px 0; }
  .hero-panel {
    height: auto; min-height: 100vh; overflow: visible;
    align-items: flex-start; padding-top: 110px; padding-bottom: 56px;
  }
  .hamburger { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 1.1rem;
    background: #fff; padding: 1.6rem 20px 2rem; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-cta { width: 100%; justify-content: center; }
  .hero-btns { flex-direction: column; width: 100%; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 2rem; }
  .services-grid, .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  form { padding: 1.25rem; }
  .footer-top { flex-direction: column; text-align: center; align-items: center; }
}