:root {
  --navy-950: #061826;
  --navy-900: #0a253b;
  --navy-800: #103754;
  --cyan-600: #0284c7;
  --cyan-500: #0ea5e9;
  --cyan-400: #38bdf8;
  --cyan-100: #e0f2fe;
  --cyan-50: #f0f9ff;
  --amber-500: #f59e0b;
  --amber-100: #fef3c7;
  --emerald-600: #059669;
  --emerald-100: #d1fae5;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(6, 24, 38, 0.08);
  --shadow-md: 0 10px 30px -5px rgba(6, 24, 38, 0.10);
  --shadow-lg: 0 20px 45px -10px rgba(6, 24, 38, 0.18);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
  color: var(--slate-900);
  background: var(--slate-50);
  line-height: 1.6;
}

body {
  margin: 0;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--navy-900);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 9999;
}
.skip-link:focus {
  left: 12px;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top announcement bar */
.topbar {
  background: var(--navy-950);
  color: #cbd5e1;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.tds-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(14, 165, 233, 0.16);
  color: var(--cyan-400);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.tds-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--navy-950);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
}
.brand-sub {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.nav-links a {
  text-decoration: none;
  color: var(--slate-700);
  font-weight: 600;
  font-size: 14.5px;
  transition: color 0.15s;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--slate-200);
  background: var(--white);
  color: var(--navy-950);
  font-weight: 700;
  font-size: 13.5px;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-600));
  color: var(--white);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.28);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(2, 132, 199, 0.36);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
}
.btn-light {
  background: var(--white);
  color: var(--navy-900);
  border: 1px solid var(--slate-200);
}
.btn-whatsapp {
  background: #16a34a;
  color: var(--white);
}
.btn-whatsapp:hover {
  background: #15803d;
}
.btn-sm {
  padding: 9px 15px;
  font-size: 13.5px;
}

/* Hero Section */
.hero {
  background: radial-gradient(circle at 82% 20%, rgba(14, 165, 233, 0.26), transparent 45%),
              linear-gradient(145deg, var(--navy-950) 0%, var(--navy-900) 60%, var(--navy-800) 100%);
  color: var(--white);
  padding: 64px 0 72px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  background: rgba(14, 165, 233, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--cyan-600);
  margin-bottom: 8px;
}
h1 {
  font-size: clamp(2rem, 3.6vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
}
h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--navy-950);
}
h3 {
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--navy-900);
}
.hero-lead {
  font-size: 1.12rem;
  color: #cbd5e1;
  margin: 0 0 24px;
  max-width: 62ch;
}
.hero-ticks {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px 18px;
}
.hero-ticks li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: #e2e8f0;
}
.hero-ticks li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.22);
  color: #34d399;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* TDS Proof Card in Hero */
.tds-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}
.tds-meter-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.meter-box {
  padding: 14px;
  border-radius: var(--radius-md);
  text-align: center;
}
.meter-box.bad {
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.35);
}
.meter-box.good {
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.45);
}
.meter-num {
  font-size: 1.85rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.meter-box.bad .meter-num { color: #fca5a5; }
.meter-box.good .meter-num { color: #6ee7b7; }
.meter-label {
  font-size: 12px;
  color: #cbd5e1;
  margin-top: 4px;
}

/* Trust Strip */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  padding: 22px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.trust-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--cyan-50);
  color: var(--cyan-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}
.trust-item b {
  display: block;
  font-size: 14.5px;
  color: var(--navy-950);
}
.trust-item span {
  font-size: 13px;
  color: var(--slate-600);
}

/* Sections & Cards */
section {
  padding: 68px 0;
}
.section-alt {
  background: var(--white);
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}
.section-dark {
  background: var(--navy-950);
  color: var(--white);
}
.section-dark h2, .section-dark h3 {
  color: var(--white);
}
.sub {
  font-size: 1.05rem;
  color: var(--slate-600);
  max-width: 68ch;
  margin: 0 0 32px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--cyan-100);
  color: var(--navy-800);
  margin-bottom: 10px;
}
.badge-amber {
  background: var(--amber-100);
  color: #92400e;
}
.badge-emerald {
  background: var(--emerald-100);
  color: #065f46;
}

/* Interactive Instant Quote Calculator */
.calc-shell {
  background: var(--white);
  border: 2px solid var(--cyan-500);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.calc-header {
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
  color: var(--white);
  padding: 24px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.calc-body {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 0;
}
.calc-controls {
  padding: 28px 30px;
  border-right: 1px solid var(--slate-200);
}
.calc-summary-pane {
  padding: 28px 30px;
  background: var(--slate-50);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.preset-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
  gap: 8px;
  margin-bottom: 22px;
}
.preset-btn {
  padding: 10px 12px;
  border: 1.5px solid var(--slate-200);
  background: var(--white);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13px;
  color: var(--slate-700);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}
.preset-btn:hover {
  border-color: var(--cyan-400);
}
.preset-btn.active {
  background: var(--cyan-50);
  border-color: var(--cyan-600);
  color: var(--navy-950);
  box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.15);
}
.preset-btn small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--slate-500);
  margin-top: 2px;
}
.Option-group {
  margin-bottom: 20px;
}
.option-label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.pill-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}
.choice-pill {
  padding: 9px 12px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  color: var(--slate-700);
}
.choice-pill.active {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-900);
}
.stepper-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 12px;
}
.stepper-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}
.stepper-info b {
  display: block;
  font-size: 13.5px;
  color: var(--navy-950);
}
.stepper-info small {
  font-size: 11.5px;
  color: var(--slate-500);
}
.stepper-btns {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.step-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--slate-200);
  background: var(--white);
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  color: var(--navy-900);
}
.step-btn:hover {
  background: var(--cyan-50);
  border-color: var(--cyan-500);
}
.step-val {
  min-width: 24px;
  text-align: center;
  font-weight: 800;
  font-size: 14.5px;
  font-variant-numeric: tabular-nums;
}
.price-box {
  background: var(--white);
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}
.price-big {
  font-size: 2.15rem;
  font-weight: 900;
  color: var(--navy-950);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.line-items {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  border-top: 1px dashed var(--slate-200);
  padding-top: 12px;
  font-size: 13px;
}
.line-items li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: var(--slate-700);
  font-variant-numeric: tabular-nums;
}

/* Comparison Table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  background: var(--white);
}
table.comp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
table.comp-table th, table.comp-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--slate-200);
}
table.comp-table th {
  background: var(--navy-950);
  color: var(--white);
  font-weight: 700;
}
table.comp-table td.highlight-col, table.comp-table th.highlight-col {
  background: var(--cyan-50);
  color: var(--navy-950);
  font-weight: 700;
}
table.comp-table th.highlight-col {
  background: var(--cyan-600);
  color: var(--white);
}

/* Forms */
.form-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-md);
  color: var(--slate-900);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 12px;
}
input[type="text"],
input[type="tel"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;
  margin-top: 5px;
  padding: 11px 13px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-family: inherit;
  color: var(--slate-900);
  background: var(--white);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--cyan-500);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}
.locked-estimate-banner {
  display: none;
  background: var(--emerald-100);
  border: 1px solid #34d399;
  color: #065f46;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 16px;
}

/* FAQ Details */
details.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 12px;
}
details.faq-item summary {
  font-weight: 700;
  font-size: 16px;
  color: var(--navy-950);
  cursor: pointer;
}
details.faq-item p {
  margin: 10px 0 0;
  color: var(--slate-600);
  font-size: 14.5px;
}

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: #94a3b8;
  padding: 56px 0 90px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.site-footer h4 {
  color: var(--white);
  margin: 0 0 12px;
  font-size: 15px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 8px;
}
.footer-links a {
  color: #94a3b8;
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--cyan-400);
}

/* Sticky Mobile Action Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--navy-950);
  border-top: 1px solid rgba(56, 189, 248, 0.3);
  padding: 10px 14px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  z-index: 200;
}

@media (max-width: 960px) {
  .topbar {
    font-size: 11.5px;
    padding: 5px 0;
  }
  .topbar-extra {
    display: none;
  }
  .nav-bar {
    min-height: 54px;
    padding: 6px 0;
  }
  .brand {
    font-size: 16.5px;
    gap: 8px;
  }
  .brand svg {
    width: 30px;
    height: 30px;
  }
  .brand-sub {
    font-size: 9.5px;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .nav-cta-desktop {
    display: none;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 2px solid var(--slate-200);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 14px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    padding: 11px 4px;
    border-bottom: 1px solid var(--slate-100);
    font-size: 15px;
  }
  .nav-links a:last-child {
    border-bottom: none;
  }
  .hero-grid,
  .calc-body,
  .grid-2,
  .grid-3,
  .grid-4,
  .trust-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .calc-controls {
    border-right: none;
    border-bottom: 1px solid var(--slate-200);
  }
  .stepper-grid, .form-row {
    grid-template-columns: 1fr;
  }
  .mobile-sticky-bar {
    display: grid;
  }
}