/* ============================================================
   MAIN.CSS — Pitzer Engineering
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Barlow+Condensed:wght@400;600;700&family=Share+Tech+Mono&display=swap');

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --green-lightest: #99dfb2;
  --green-light:    #66cf8c;
  --green-mid:      #33bf65;
  --green:          #00af3f;
  --green-dark:     #008c32;
  --green-darkest:  #006925;

  --bg:             #0c0c0c;
  --surface:        #141414;
  --surface-2:      #1c1c1c;
  --border:         rgba(0,175,63,0.15);
  --border-subtle:  rgba(255,255,255,0.06);
  --text:           #e4e4e4;
  --text-muted:     #828282;

  --font-display:   'Bebas Neue', sans-serif;
  --font-body:      'Barlow', sans-serif;
  --font-condensed: 'Barlow Condensed', sans-serif;
  --font-mono:      'Share Tech Mono', monospace;

  --nav-h:          70px;
  --max-w:          1200px;
  --radius:         3px;
  --transition:     0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ─── Canvas Background ──────────────────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* ─── Navigation ─────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  transition: background var(--transition), box-shadow var(--transition);
}
nav.scrolled {
  background: rgba(12,12,12,0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border-subtle);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: 0.06em;
  color: #fff;
  flex-shrink: 0;
}
.logo-mark { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; }
.logo-mark svg { width: 28px; height: 28px; }
/* Uncomment and use when logo image is ready:
.logo-img { height: 36px; width: auto; display: block; } */
.logo .co { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-condensed);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: #fff; }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  font-family: var(--font-condensed);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.48rem 1.15rem;
  background: var(--green);
  color: #fff;
  border: 2px solid var(--green);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-cta:hover { background: transparent; color: var(--green); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  transition: var(--transition);
}
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: rgba(12,12,12,0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2.2rem;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--green); }

/* ─── Sections ───────────────────────────────────────────── */
section { position: relative; padding: 5.5rem 2rem; }
.section-alt { background: var(--surface); }
.container { max-width: var(--max-w); margin: 0 auto; position: relative; }

/* ─── Typography ─────────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 22px; height: 2px;
  background: var(--green);
  flex-shrink: 0;
}
.section-label.centered { justify-content: center; }
.section-label.centered::before { display: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  line-height: 1.05;
}
h1 { font-size: clamp(3rem, 7vw, 6.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.8rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.9rem); }
p { line-height: 1.75; }

.text-green { color: var(--green); }
.text-muted  { color: var(--text-muted); }
.lede {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.82;
  max-width: 600px;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-condensed);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.82rem 1.75rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--green); color: #fff; border-color: var(--green); }
.btn-primary:hover {
  background: var(--green-dark); border-color: var(--green-dark);
  transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,175,63,0.28);
}
.btn-outline { background: transparent; color: var(--green); border-color: var(--green); }
.btn-outline:hover { background: rgba(0,175,63,0.08); transform: translateY(-2px); }

/* ─── Card ───────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.85rem;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--border); transform: translateY(-3px); }

/* ─── Divider ────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green-darkest) 30%, var(--green-darkest) 70%, transparent);
}

/* ─── Tags ───────────────────────────────────────────────── */
.tag-list { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.1rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.26rem 0.65rem;
  border: 1px solid rgba(0,175,63,0.22);
  border-radius: 2px;
  color: var(--green-light);
  background: rgba(0,175,63,0.04);
}

/* ─── Scroll Reveal ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Page Hero (inner pages) ────────────────────────────── */
.page-hero {
  min-height: 58vh;
  display: flex;
  align-items: flex-end;
  padding: 0 2rem 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}
.page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  padding-top: 6.5rem;
  position: relative;
  z-index: 2;
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}
.breadcrumb a { color: var(--green); }
.breadcrumb span { margin: 0 0.45rem; opacity: 0.35; }

/* ─── Contact Modal ──────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  width: 100%;
  max-width: 510px;
  padding: 2.2rem;
  position: relative;
  transform: translateY(16px);
  transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.25rem;
  transition: color var(--transition);
  line-height: 1;
}
.modal-close:hover { color: #fff; }
.modal h3 { font-size: 1.65rem; margin-bottom: 0.3rem; }
.modal > p { font-size: 0.86rem; color: var(--text-muted); margin-bottom: 1.4rem; line-height: 1.6; }

.contact-form { display: flex; flex-direction: column; gap: 0.7rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.68rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.86rem;
  width: 100%;
  transition: border-color var(--transition);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #4a4a4a; }
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus { outline: none; border-color: var(--green-dark); }
.contact-form textarea { min-height: 100px; resize: vertical; }
.contact-form select option { background: var(--surface-2); }
.form-note { font-size: 0.7rem; color: #484848; text-align: center; font-family: var(--font-mono); letter-spacing: 0.05em; }

/* HubSpot embed overrides */
#hs-form-target .hs-form fieldset { max-width: 100% !important; }
#hs-form-target .hs-form input[type="text"],
#hs-form-target .hs-form input[type="email"],
#hs-form-target .hs-form input[type="tel"],
#hs-form-target .hs-form textarea,
#hs-form-target .hs-form select {
  width: 100% !important;
  background: var(--surface-2) !important;
  border: 1px solid var(--border-subtle) !important;
  color: var(--text) !important;
  border-radius: var(--radius) !important;
  padding: 0.68rem 0.95rem !important;
  font-family: var(--font-body) !important;
  font-size: 0.86rem !important;
  margin-bottom: 0.6rem !important;
}
#hs-form-target .hs-form input[type="submit"] {
  background: var(--green) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--radius) !important;
  padding: 0.82rem 1.75rem !important;
  font-family: var(--font-condensed) !important;
  font-size: 0.88rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  cursor: pointer !important;
  width: 100% !important;
  margin-top: 0.25rem !important;
  transition: background var(--transition) !important;
}
#hs-form-target .hs-form input[type="submit"]:hover { background: var(--green-dark) !important; }
#hs-form-target label { font-size: 0.78rem !important; color: var(--text-muted) !important; margin-bottom: 0.2rem !important; display: block !important; }
#hs-form-target .hs-error-msgs { color: #e44; font-size: 0.78rem !important; list-style: none !important; margin-top: 0.2rem !important; }

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  background: #080808;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 2rem 2rem;
  position: relative;
  z-index: 2;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}
.footer-logo span { color: var(--green); }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--green-dark);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.78;
  max-width: 270px;
}
.footer-col h4 {
  font-family: var(--font-condensed);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #484848;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { font-size: 0.86rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p { font-size: 0.76rem; color: #3d3d3d; }
.footer-powermark { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.22em; color: var(--green-darkest); text-transform: uppercase; }

/* ─── Utility ────────────────────────────────────────────── */
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}
.mt-4{margin-top:2rem}.mt-6{margin-top:3rem}
.text-center{text-align:center}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem}

/* ─── Responsive ─────────────────────────────────────────── */
@media(max-width:1024px){.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
  section{padding:4rem 1.5rem}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}
  .footer-inner{grid-template-columns:1fr 1fr;gap:2rem}
  .footer-bottom{flex-direction:column;gap:.5rem;text-align:center}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:540px){.footer-inner{grid-template-columns:1fr}}