/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Barlow', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0d1b2a;
  color: #e8eaf0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Variables ──────────────────────────────────────── */
:root {
  --navy:       #0d1b2a;
  --navy-mid:   #19396e;
  --navy-light: #1a3050;
  --gold:       #ffc107;
  --gold-dark:  #e5ac00;
  --white:      #ffffff;
  --text:       #e8eaf0;
  --muted:      #8896a8;
  --line:       rgba(255,255,255,0.08);
  --radius:     12px;
  --radius-lg:  20px;

  /* Trade accent colors */
  --elec: #ffc107;
  --plmb: #2d9cdb;
  --hvac: #27ae60;
  --roof: #e67e22;
  --hndm: #9b59b6;
}

/* ── Layout ─────────────────────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .02em;
  transition: opacity .15s, transform .1s;
  cursor: pointer;
  border: none;
}
.btn:hover { opacity: .88; transform: translateY(-1px); }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--outline { background: transparent; color: var(--gold); border: 2px solid var(--gold); }
.btn--lg { padding: 14px 32px; font-size: 1.1rem; }

/* ── Header ─────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo__icon { font-size: 1.3rem; }
.logo__text {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .02em;
  color: var(--white);
}
.header__cta { font-size: .9rem; padding: 9px 20px; }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0f2540 60%, #162d4a 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(255,193,7,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { display: none; }
}
.hero__tag {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(255,193,7,0.12);
  padding: .35rem .9rem;
  border-radius: 20px;
  margin-bottom: 1.2rem;
}
.hero__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.hero__title--accent { color: var(--gold); }
.hero__sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}
.hero__proof {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: .82rem;
  color: var(--muted);
}
.hero__proof span::before { content: ''; }

/* Doc mockup */
.hero__visual { position: relative; height: 280px; }
.doc-mockup {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 20px;
  width: 260px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  position: absolute;
}
.doc-mockup:first-child { top: 0; left: 0; z-index: 2; }
.doc-mockup--shifted { top: 60px; left: 120px; z-index: 1; opacity: .85; }
.doc-mockup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f3f4f6;
}
.doc-mockup__badge {
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .1em;
  background: var(--gold);
  color: var(--navy);
  padding: 2px 8px;
  border-radius: 4px;
}
.doc-mockup__badge--blue { background: #2d9cdb; color: #fff; }
.doc-mockup__co { font-size: .72rem; font-weight: 700; color: #374151; }
.doc-mockup__rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.doc-mockup__row {
  display: flex;
  justify-content: space-between;
  font-size: .75rem;
  color: #6b7280;
  padding: 6px 0;
  border-bottom: 1px solid #f3f4f6;
}
.doc-mockup__row span:last-child { font-weight: 600; color: #374151; }
.doc-mockup__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--navy);
  padding: 10px 12px;
  border-radius: 8px;
}
.doc-mockup__total span:first-child { font-size: .65rem; font-weight: 800; letter-spacing: .1em; color: #9ca3af; }
.doc-mockup__amount { font-size: 1.1rem; font-weight: 800; color: var(--gold); }

/* ── Sections ─────────────────────────────────────────── */
.section { padding: 80px 0; }
.section--dark { background: #0a1520; }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}
.section__tag {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .8rem;
}
.section__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: .8rem;
}
.section__sub { font-size: .95rem; color: var(--muted); line-height: 1.65; }

/* ── Kits Grid ─────────────────────────────────────────── */
.kits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .kits { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .kits { grid-template-columns: 1fr; } }

.kit-card {
  display: flex;
  flex-direction: column;
  background: #111f30;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  cursor: pointer;
}
.kit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
}
.kit-card--elec:hover { border-color: var(--elec); }
.kit-card--plmb:hover { border-color: var(--plmb); }
.kit-card--hvac:hover { border-color: var(--hvac); }
.kit-card--roof:hover { border-color: var(--roof); }
.kit-card--hndm:hover { border-color: var(--hndm); }

.kit-card__trade {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .6rem;
}
.kit-card--elec .kit-card__trade { color: var(--elec); }
.kit-card--plmb .kit-card__trade { color: var(--plmb); }
.kit-card--hvac .kit-card__trade { color: var(--hvac); }
.kit-card--roof .kit-card__trade { color: var(--roof); }
.kit-card--hndm .kit-card__trade { color: var(--hndm); }

.kit-card__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .7rem;
  line-height: 1.2;
}
.kit-card__desc {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}
.kit-card__list {
  list-style: none;
  margin-bottom: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kit-card__list li {
  font-size: .82rem;
  color: #a0b0c0;
  padding-left: 1.1rem;
  position: relative;
}
.kit-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: .75rem;
}
.kit-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.kit-card__price {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--gold);
}
.kit-card__btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .9rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .03em;
}

/* ── Features ─────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

.feature {
  padding: 28px 24px;
  background: #111f30;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.feature__icon { font-size: 2rem; margin-bottom: 1rem; }
.feature h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .6rem;
}
.feature p { font-size: .85rem; color: var(--muted); line-height: 1.6; }

/* ── Split ─────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 700px) { .split { grid-template-columns: 1fr; gap: 40px; } }

.split__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin: .8rem 0 1.2rem;
}
.split__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.split__list li {
  font-size: .9rem;
  color: var(--muted);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}
.split__list li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: #e74c3c;
}
.split__list--check li::before {
  content: '✓';
  color: var(--gold);
}

/* ── Footer ─────────────────────────────────────────── */
.footer {
  background: #060f18;
  border-top: 1px solid var(--line);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 0;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  color: var(--white);
}
.footer__links {
  display: flex;
  gap: 24px;
}
.footer__links a {
  font-size: .85rem;
  color: var(--muted);
  transition: color .15s;
}
.footer__links a:hover { color: var(--gold); }
.footer__bottom {
  border-top: 1px solid var(--line);
  padding: 16px 0;
  text-align: center;
  font-size: .78rem;
  color: var(--muted);
}
