/* ============================================
   POTENZA ENERGY — Core Stylesheet
   Editorial-heritage: Lora serif + Courier mono
   Black / Gold / Amber
   ============================================ */

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

:root {
  --black: #0A0A0A;
  --black-soft: #0F0F0F;
  --black-card: #141414;
  --amber: #D4A017;
  --gold: #8B7355;
  --white: #FFFFFF;
  --cream: #E8E4DC;
  --cream-muted: #B8B2A4;

  --serif: 'Lora', Georgia, serif;
  --mono: 'Courier Prime', 'Courier New', monospace;

  --maxw: 1200px;
  --pad-x: 48px;
  --border-amber: rgba(212, 160, 23, 0.15);
  --border-gold: rgba(139, 115, 85, 0.25);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 80px; }

body {
  font-family: var(--serif);
  background: var(--black);
  color: var(--cream);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); width: 100%; }
.section { border-top: 1px solid var(--border-amber); }
.section-pad { padding-top: 80px; padding-bottom: 80px; }

/* ---------- Type ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.kicker::before { content: ""; width: 32px; height: 1px; background: var(--gold); display: inline-block; }
.kicker.no-dash::before { display: none; }

.label-gold {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
}

h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.1; letter-spacing: -0.015em; color: var(--white); }
h1 { font-size: clamp(40px, 7vw, 72px); letter-spacing: -0.02em; line-height: 1.02; }
h2 { font-size: clamp(28px, 4.5vw, 44px); }
.amber-italic { color: var(--amber); font-style: italic; }
.white { color: var(--white); }

p { color: var(--cream-muted); }
.body-lg { font-size: clamp(16px, 2vw, 19px); line-height: 1.55; letter-spacing: -0.01em; }
.body-sm { font-size: 15px; line-height: 1.6; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn-primary { background: var(--amber); color: var(--black); padding: 16px 34px; }
.btn-primary:hover { background: #e8b020; transform: translateY(-2px); }
.btn-ghost {
  color: var(--cream); padding: 6px 0; border-bottom: 1px solid var(--gold);
  font-size: 13px; letter-spacing: 0.18em;
}
.btn-ghost:hover { color: var(--amber); border-color: var(--amber); }
.btn-dark { background: var(--black); color: var(--amber); padding: 18px 32px; }
.btn-dark:hover { background: #1a1a1a; transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,15,15,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212,160,23,0.25);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 40px; width: auto; max-width: 150px; object-fit: contain; display: block; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--cream); transition: color .15s ease;
}
.nav-links a:hover { color: var(--amber); }
.nav-cta { background: var(--amber); color: var(--black) !important; padding: 13px 26px; font-weight: 700; }
.nav-cta:hover { background: #e8b020; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.hamburger span { width: 26px; height: 2px; background: var(--cream); transition: .25s ease; }

/* ---------- Hero ---------- */
.hero { padding-top: 130px; padding-bottom: 90px; }
.hero .kicker { margin-bottom: 32px; }
.hero h1 { max-width: 16ch; margin-bottom: 32px; }
.hero .body-lg { max-width: 44ch; margin-bottom: 36px; }
.hero-ctas { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.hero-photo { position: relative; }
.hero-photo img { width: 100%; height: 100%; min-height: 440px; max-height: 560px; object-fit: cover; display: block; border: 1px solid var(--border-amber); }
.hero-photo .photo-tag { position: absolute; bottom: 16px; left: 16px; background: rgba(10,10,10,0.85); color: var(--amber); font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.25em; text-transform: uppercase; padding: 8px 14px; }
.hero-grid.no-photo { grid-template-columns: 1fr; }
.hero-grid.no-photo .hero-photo { display: none; }
.vendor-strip {
  margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--border-amber);
  display: flex; align-items: baseline; gap: 40px; flex-wrap: wrap;
}
.vendor-strip .label-gold { white-space: nowrap; font-size: 11px; }
.vendor-line { font-family: var(--serif); font-size: clamp(17px, 2.2vw, 21px); line-height: 1.5; color: var(--cream); max-width: 56ch; margin: 0; }

/* ---------- Stat band ---------- */
.stat-band {
  background: var(--black-soft);
  border-top: 1px solid var(--border-amber);
  border-bottom: 1px solid var(--border-amber);
}
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding-top: 60px; padding-bottom: 60px; }
.stat .num { font-family: var(--serif); font-weight: 700; font-size: clamp(40px, 6vw, 60px); line-height: 1; letter-spacing: -0.02em; margin-bottom: 14px; }
.stat .num.amber { color: var(--amber); }
.stat .num.white { color: var(--white); }
.stat .cap { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cream-muted); line-height: 1.6; }

/* ---------- Two-column section ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.two-col .col-head h2 { margin-bottom: 0; }
.section-num { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.4em; text-transform: uppercase; color: var(--amber); margin-bottom: 24px; display: block; }

/* ---------- Scope grid ---------- */
.scope-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 8px; }
.scope-cell { background: var(--amber); padding: 44px 38px; }
.scope-cell .cell-title { font-family: var(--serif); font-weight: 700; font-size: clamp(22px, 2.4vw, 27px); line-height: 1.15; letter-spacing: -0.01em; color: var(--black); margin: 0 0 14px; }
.scope-cell p { font-size: 16px; line-height: 1.65; color: rgba(10,10,10,0.82); }

/* ---------- Pull quote ---------- */
.pullquote { text-align: center; padding-top: 100px; padding-bottom: 100px; }
.pullquote q { font-family: var(--serif); font-style: italic; font-size: clamp(26px, 4vw, 40px); line-height: 1.25; color: var(--white); max-width: 18ch; display: inline-block; quotes: none; }
.pullquote .bar { width: 48px; height: 2px; background: var(--amber); margin: 32px auto 0; }

/* ---------- Property grid ---------- */
.prop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border-gold); margin-top: 8px; }
.prop-cell { background: var(--black-soft); padding: 28px 24px; }
.prop-cell .pnum { font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.3em; color: var(--gold); display: block; margin-bottom: 12px; }
.prop-cell .pname { font-family: var(--serif); font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; color: var(--cream); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--amber); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; padding-top: 72px; padding-bottom: 72px; }
.cta-inner h2 { color: var(--black); max-width: 18ch; }

/* ---------- Gold steps section (about) ---------- */
.steps-gold { background: var(--amber); }
.steps-gold .section-num { color: var(--black); opacity: 0.75; }
.steps-gold h2 { color: var(--black); }
.steps-gold .step { border-bottom: 1px solid rgba(10,10,10,0.25); }
.steps-gold .step:last-child { border-bottom: none; }
.steps-gold .step .snum { color: var(--black); }
.steps-gold .step .stitle { color: var(--black); }
.steps-gold .step p { color: rgba(10,10,10,0.78); }

/* ---------- Process steps (about) ---------- */
.steps { margin-top: 8px; }
.step { display: grid; grid-template-columns: 80px 280px 1fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--border-gold); align-items: start; }
.step:last-child { border-bottom: none; }
.step .snum { font-family: var(--serif); font-style: italic; font-weight: 700; font-size: 40px; line-height: 1; color: var(--amber); }
.step .stitle { font-family: var(--serif); font-weight: 700; font-size: 22px; letter-spacing: -0.01em; color: var(--white); }
.step p { font-size: 15px; line-height: 1.6; }

/* ---------- Service blocks ---------- */
.svc-block { display: grid; grid-template-columns: 360px 1fr; gap: 64px; padding: 56px 0; border-top: 1px solid rgba(212,160,23,0.08); align-items: start; }
.svc-block:first-child { border-top: 1px solid var(--border-amber); }
.svc-block .svc-num { font-family: var(--serif); font-style: italic; font-weight: 700; font-size: 40px; line-height: 1; color: var(--amber); display: block; margin-bottom: 16px; }
.svc-block .svc-title { font-size: clamp(26px, 3.5vw, 36px); }
.svc-block .svc-body { margin-bottom: 20px; }
.svc-list { font-size: 15px; line-height: 1.6; color: var(--cream); }

/* ---------- Contact form ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info .body-lg { margin: 24px 0; max-width: 38ch; }
.contact-info .label-gold { display: block; margin-top: 32px; }
.field { margin-bottom: 24px; }
.field label { font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: 10px; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--black-soft); border: 1px solid var(--border-gold);
  color: var(--cream); font-family: var(--serif); font-size: 16px; padding: 14px 16px;
  transition: border-color .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--amber); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--cream-muted); margin-top: 16px; }

/* ---------- Footer ---------- */
.footer { background: var(--black); border-top: 1px solid var(--border-amber); padding-top: 64px; padding-bottom: 40px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 48px; margin-bottom: 48px; }
.footer-logo img { height: 48px; width: auto; max-width: 180px; object-fit: contain; display: block; }
.footer-tag { margin-top: 16px; }
.footer-right { text-align: right; }
.footer-right a { display: block; font-size: 15px; color: var(--cream-muted); margin-bottom: 10px; transition: color .15s ease; }
.footer-right a:hover { color: var(--amber); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid var(--border-gold); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE — Tablet
   ============================================ */
@media (max-width: 900px) {
  :root { --pad-x: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo img { min-height: 300px; max-height: 380px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .prop-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .svc-block { grid-template-columns: 1fr; gap: 20px; padding: 44px 0; }
  .step { grid-template-columns: 60px 1fr; gap: 16px 20px; }
  .step p { grid-column: 2; }
}

/* ============================================
   RESPONSIVE — Phone
   ============================================ */
@media (max-width: 600px) {
  :root { --pad-x: 20px; }

  /* Nav becomes hamburger */
  .nav { z-index: 300; }
  .nav-links {
    position: fixed; top: 0; right: 0; height: 100vh; width: 78%; max-width: 320px;
    background: var(--black-soft); border-left: 1px solid var(--border-amber);
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    gap: 8px; padding: 96px 28px 28px; transform: translateX(100%);
    transition: transform .32s cubic-bezier(.4,0,.2,1); z-index: 320;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 16px; padding: 12px 0; width: 100%; position: relative; z-index: 321; }
  .nav-links .nav-cta { margin-top: 16px; padding: 14px 24px; }
  .hamburger { display: flex; z-index: 330; }
  .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); opacity: 0; pointer-events: none; transition: opacity .32s ease; z-index: 250; }
  .nav-overlay.open { opacity: 1; pointer-events: auto; }

  .hero { padding-top: 72px; padding-bottom: 64px; }
  .nav-logo img { height: 38px; }
  .section-pad { padding-top: 56px; padding-bottom: 56px; }

  .stats { grid-template-columns: 1fr 1fr; gap: 28px 20px; padding-top: 44px; padding-bottom: 44px; }

  .scope-grid { grid-template-columns: 1fr; }
  .scope-cell { padding: 24px 20px; }

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

  .vendor-strip { flex-direction: column; align-items: flex-start; gap: 16px; }
  .vendor-names { gap: 20px 24px; }

  .cta-inner { flex-direction: column; align-items: flex-start; gap: 28px; padding-top: 56px; padding-bottom: 56px; }

  .pullquote { padding-top: 64px; padding-bottom: 64px; }

  .step { grid-template-columns: 48px 1fr; gap: 12px 16px; }
  .step .stitle { font-size: 19px; }

  .footer-top { flex-direction: column; gap: 28px; }
  .footer-right { text-align: left; }
  .footer-bottom { flex-direction: column; gap: 12px; }

  .hero-ctas { gap: 18px; }
}