/* ============================================================
   MyPoolCost — Design System v2
   ============================================================ */

:root {
  --navy:       #0d2f6f;
  --navy-dark:  #071d47;
  --blue:       #046bd2;
  --blue-bright:#00baff;
  --orange:     #ff6900;
  --orange-dk:  #e05a00;
  --white:      #ffffff;
  --off-white:  #f0f5fa;
  --body:       #1e293b;
  --muted:      #64748b;
  --border:     #e2e8f0;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.14);
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --nav-h:      64px;
  --t:          0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  background: var(--white);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

h1, h2, h3, h4, h5 { font-weight: 800; line-height: 1.18; color: var(--body); }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; font-weight: 700; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-alt { background: var(--off-white); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius-md);
  font-size: 0.95rem; font-weight: 700; border: none;
  transition: var(--t); cursor: pointer;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dk); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-blue { background: var(--navy); color: #fff; }
.btn-blue:hover { background: var(--navy-dark); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  height: var(--nav-h);
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.nav-logo {
  font-size: 1.2rem; font-weight: 800; color: #fff;
  display: flex; align-items: center; gap: 10px;
}
.nav-logo-mark {
  background: var(--orange);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 5px;
  letter-spacing: -0.02em;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.88rem; font-weight: 600; color: rgba(255,255,255,0.75); transition: var(--t); }
.nav-links a:hover { color: #fff; }
.nav-cta .btn { padding: 9px 20px; font-size: 0.85rem; }
.nav-hamburger { display: none; background: none; border: none; padding: 4px; color: #fff; }

/* ── Hero / Calculator ── */
.hero {
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 60%, #0a4a9f 100%);
  padding: 56px 0 64px;
  color: #fff;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 52px;
  align-items: start;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(0,186,255,0.15);
  border: 1px solid rgba(0,186,255,0.3);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.76rem; font-weight: 600; letter-spacing: 0.4px;
  margin-bottom: 18px; color: var(--blue-bright);
}
.hero-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue-bright); }
.hero h1 { color: #fff; margin-bottom: 14px; }
.hero-sub { color: rgba(255,255,255,0.72); font-size: 1rem; line-height: 1.65; margin-bottom: 24px; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 20px; margin-top: 28px;
}
.hero-stat { }
.hero-stat-num { font-size: 1.5rem; font-weight: 800; color: var(--blue-bright); }
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.55); margin-top: 1px; }

/* ── Calc Card ── */
.calc-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,0.32);
  overflow: hidden;
}
.calc-card-header {
  background: var(--navy-dark);
  padding: 16px 22px;
  display: flex; align-items: center; justify-content: space-between;
}
.calc-card-header h3 { color: #fff; font-size: 1rem; font-weight: 700; }
.calc-badge {
  background: var(--blue-bright);
  color: var(--navy-dark);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.calc-body { padding: 22px; }

/* Form rows */
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.calc-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.calc-field { display: flex; flex-direction: column; gap: 4px; }
.calc-field label { font-size: 0.75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.calc-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--body);
  background: #fff;
  transition: var(--t);
  -webkit-appearance: none;
}
.calc-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(4,107,210,0.12); }
.calc-input option { color: var(--body); }

/* Addons */
.addons-label { font-size: 0.75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin: 14px 0 8px; }
.addons-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 14px; }
.addon-cb-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--t);
  font-size: 0.8rem; font-weight: 500;
}
.addon-cb-item:hover { border-color: var(--blue); background: #f0f7ff; }
.addon-cb-item input { accent-color: var(--blue); width: 14px; height: 14px; flex-shrink: 0; }

/* Calculate button */
.calc-btn {
  width: 100%;
  padding: 14px;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--t);
  letter-spacing: 0.01em;
}
.calc-btn:hover { background: var(--orange-dk); transform: translateY(-1px); }

.calc-error {
  display: none;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.82rem;
  color: #dc2626;
  margin-bottom: 10px;
}

.calc-pro-tip {
  margin-top: 12px;
  padding: 10px 14px;
  background: #fffbeb;
  border-left: 3px solid #f59e0b;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.78rem;
  color: #78350f;
  line-height: 1.5;
}
.calc-pro-tip strong { color: #92400e; }

/* Results panel */
#calc-results {
  display: none;
  margin-top: 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.results-header {
  background: var(--navy);
  padding: 14px 18px;
  display: flex; align-items: center; justify-content: space-between;
}
.results-header span { font-size: 0.78rem; font-weight: 700; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 0.06em; }
.results-total {
  font-size: 1.6rem; font-weight: 800; color: var(--blue-bright);
}
.results-breakdown { }
.breakdown-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.breakdown-row:last-child { border-bottom: none; }
.breakdown-label { color: var(--muted); font-weight: 500; }
.breakdown-val { font-weight: 700; color: var(--body); }
.results-note {
  padding: 10px 18px;
  font-size: 0.72rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--off-white);
}

/* ── Lead form below results ── */
.lead-capture {
  margin-top: 16px;
  padding: 18px;
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
}
.lead-capture h4 { font-size: 0.9rem; margin-bottom: 4px; }
.lead-capture p { font-size: 0.78rem; color: var(--muted); margin-bottom: 12px; }
.lead-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.lead-input {
  width: 100%; padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem; color: var(--body);
  background: #fff; transition: var(--t);
}
.lead-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(4,107,210,0.12); }
.lead-submit {
  width: 100%; padding: 13px;
  background: var(--navy); color: #fff;
  border: none; border-radius: var(--radius-md);
  font-size: 0.95rem; font-weight: 700;
  cursor: pointer; transition: var(--t); margin-top: 4px;
}
.lead-submit:hover { background: var(--navy-dark); }
.lead-privacy { font-size: 0.68rem; color: var(--muted); text-align: center; margin-top: 6px; }

/* ── Below-fold content ── */
.section-label {
  display: inline-block;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--blue);
  background: #dbeafe; padding: 3px 10px;
  border-radius: 4px; margin-bottom: 12px;
}
.section-header { max-width: 620px; margin: 0 auto; text-align: center; }
.section-header p { color: var(--muted); margin-top: 10px; font-size: 0.95rem; }

/* Pool type cost cards */
.type-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.type-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  transition: var(--t);
}
.type-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.type-card-top {
  background: var(--navy);
  padding: 18px 18px 14px;
}
.type-card-top h4 { color: #fff; font-size: 0.95rem; margin-bottom: 4px; }
.type-range { font-size: 1.1rem; font-weight: 800; color: var(--blue-bright); }
.type-tag {
  display: inline-block; margin-top: 6px;
  padding: 2px 8px; border-radius: 4px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
}
.tag-low  { background: rgba(0,186,255,0.2); color: var(--blue-bright); }
.tag-mid  { background: rgba(255,105,0,0.2); color: #ff9500; }
.tag-prem { background: rgba(245,158,11,0.2); color: #d97706; }
.tag-lux  { background: rgba(168,85,247,0.2); color: #a855f7; }
.type-card-body { padding: 16px 18px; }
.type-card-body li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.82rem; color: var(--muted); margin-bottom: 6px;
}
.type-card-body li::before { content: "—"; color: var(--blue); font-weight: 700; flex-shrink: 0; }

/* Factors */
.factors-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 40px; }
.factor-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
}
.factor-num {
  width: 32px; height: 32px;
  background: var(--navy);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800;
  margin-bottom: 12px;
}
.factor-card h4 { margin-bottom: 6px; }
.factor-card p { font-size: 0.86rem; color: var(--muted); }

/* Maintenance costs table */
.maint-table {
  width: 100%; border-collapse: collapse; margin-top: 32px;
  font-size: 0.9rem;
}
.maint-table th {
  background: var(--navy); color: #fff;
  padding: 11px 16px; text-align: left;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em;
}
.maint-table td { padding: 10px 16px; border-bottom: 1px solid var(--border); }
.maint-table tr:nth-child(even) td { background: var(--off-white); }

/* CTA strip */
.cta-strip {
  background: var(--orange);
  padding: 56px 0;
  text-align: center;
  color: #fff;
}
.cta-strip h2 { color: #fff; margin-bottom: 10px; }
.cta-strip p { color: rgba(255,255,255,0.85); margin-bottom: 24px; font-size: 1rem; }
.btn-white { background: #fff; color: var(--orange); font-weight: 800; }
.btn-white:hover { background: #fff3e0; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 40px; }
.testi-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
}
.testi-stars { color: #f59e0b; font-size: 0.9rem; margin-bottom: 10px; }
.testi-text { font-size: 0.87rem; color: var(--muted); line-height: 1.65; margin-bottom: 14px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 10px; }
.testi-av {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800;
}
.testi-name { font-weight: 700; font-size: 0.88rem; }
.testi-loc { font-size: 0.76rem; color: var(--muted); }

/* For builders dark section */
.dark-section {
  background: var(--navy-dark);
  padding: 72px 0;
  color: #fff;
}
.dark-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.dark-section h2 { color: #fff; margin-bottom: 14px; }
.dark-section p { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-bottom: 20px; }
.perk-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.perk-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.88rem; color: rgba(255,255,255,0.75); }
.perk-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); flex-shrink: 0; margin-top: 7px; }
.price-cards { display: flex; flex-direction: column; gap: 12px; }
.price-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.price-card.feat { border-color: var(--orange); background: rgba(255,105,0,0.12); }
.price-card-name { font-size: 0.88rem; font-weight: 700; color: #fff; }
.price-card-desc { font-size: 0.75rem; color: rgba(255,255,255,0.5); margin-top: 2px; }
.price-card-amt { font-size: 1.2rem; font-weight: 800; color: var(--orange); }

/* Footer */
.footer { background: #050f24; color: rgba(255,255,255,0.55); padding: 48px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand h4 { color: #fff; font-size: 1rem; margin-bottom: 8px; }
.footer-brand p { font-size: 0.83rem; line-height: 1.65; }
.footer-col h5 { color: rgba(255,255,255,0.85); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.footer-col ul { display: flex; flex-direction: column; gap: 7px; }
.footer-col a { font-size: 0.83rem; transition: var(--t); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 22px; display: flex; justify-content: space-between; font-size: 0.78rem; flex-wrap: wrap; gap: 8px; }

/* Mobile nav overlay */
.nav-mobile {
  display: none; position: fixed; inset: 0;
  background: var(--navy-dark); z-index: 200;
  flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { font-size: 1.3rem; font-weight: 700; color: #fff; }
.nav-mobile-close { position: absolute; top: 18px; right: 22px; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 48px; }
  .type-cards { grid-template-columns: repeat(2,1fr); }
  .factors-grid { grid-template-columns: repeat(2,1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .dark-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
}
@media (max-width: 600px) {
  .type-cards { grid-template-columns: 1fr; }
  .factors-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .calc-row { grid-template-columns: 1fr; }
  .calc-row-3 { grid-template-columns: 1fr; }
  .addons-grid { grid-template-columns: 1fr; }
  .lead-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}