/* ============================================================================
 * /exterior-estimate/page.css
 * Self-contained styles for the exterior-estimate landing page.
 *
 * Design system: light & premium. Mostly white surfaces, subtle gray dividers,
 * navy headlines, slate body text, single red accent used sparingly for CTAs.
 * No heavy dark slabs below the hero.
 * ========================================================================== */

:root {
  /* Brand — aligned to Pass 1 Nova refresh (May 2026) */
  --nv-navy:        #0D1B2A;
  --nv-navy-soft:   #1A3158;
  --nv-red:         #E31B23;
  --nv-red-soft:    #B81519;
  --nv-gold:        #F5B400;        /* used only as small star accent */

  /* Surfaces */
  --nv-bg:          #FFFFFF;
  --nv-surface:     #FFFFFF;
  --nv-surface-2:   #F2F2F2;        /* soft section background */
  --nv-surface-3:   #E5E7EB;        /* card hover / pressed */
  --nv-tint-red:    #FFF1F2;        /* selected option background */

  /* Text */
  --nv-text:        #0D1B2A;        /* navy = primary headline color */
  --nv-text-body:   #475569;        /* slate = body text */
  --nv-text-soft:   #64748B;
  --nv-text-muted:  #94A3B8;

  /* Lines + shadows */
  --nv-line:        #E5E7EB;
  --nv-line-soft:   #EDF0F4;
  --nv-shadow-sm:   0 1px 2px rgba(15, 23, 42, 0.04);
  --nv-shadow:      0 4px 14px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --nv-shadow-lg:   0 24px 48px rgba(15, 23, 42, 0.10), 0 2px 4px rgba(15, 23, 42, 0.04);

  /* Radii */
  --nv-r-sm: 10px;
  --nv-r:    14px;
  --nv-r-lg: 20px;
  --nv-r-xl: 28px;
}

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

body.ext-page {
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--nv-text-body);
  background: var(--nv-bg);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01';
}
body.ext-page h1,
body.ext-page h2,
body.ext-page h3,
body.ext-page h4,
body.ext-page .ext-hero-eyebrow,
body.ext-page .ext-hero-headline,
body.ext-page .ext-cta,
body.ext-page button {
  font-family: 'Montserrat', 'Inter', sans-serif;
  letter-spacing: -0.01em;
}
body.ext-page .ext-hero-eyebrow {
  letter-spacing: 0.18em;
  font-weight: 700;
  text-transform: uppercase;
}
body.ext-page img { display: block; max-width: 100%; }
body.ext-page a { color: var(--nv-red); text-decoration: none; transition: color 0.15s ease; }
body.ext-page a:hover { color: var(--nv-red-soft); }

.ext-container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* ──────────────────────────────────────────────────────────────────────────
   HERO (stays dark — it's the only dark section, by design)
   ────────────────────────────────────────────────────────────────────────── */
.ext-hero {
  position: relative;
  background: var(--nv-navy);
  color: #fff;
  overflow: hidden;
  padding: clamp(36px, 5vw, 64px) 0 clamp(48px, 7vw, 88px);
}
.ext-hero-media {
  position: absolute;
  inset: 0;
  background-image: url('/nova-roofing-hero.webp');
  background-size: cover;
  background-position: center;
  filter: brightness(0.5);
  z-index: 0;
}
.ext-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, 0.78) 0%, rgba(13, 27, 42, 0.55) 50%, rgba(13, 27, 42, 0.92) 100%);
  z-index: 1;
}
.ext-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
@media (max-width: 940px) {
  .ext-hero-inner { grid-template-columns: 1fr; }
  .ext-hero-copy { order: 1; }
  .ext-form-card { order: 2; }
}

.ext-hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: 12px;
  color: var(--nv-red);
  margin: 0 0 16px;
}
.ext-hero-headline {
  font-size: clamp(36px, 5.2vw, 60px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  color: #fff;
  text-wrap: balance;
}
.ext-hl-accent { color: #FCD34D; font-weight: 800; }
.ext-hero-sub {
  font-size: clamp(17px, 1.7vw, 19px);
  line-height: 1.6;
  max-width: 52ch;
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 400;
}

.ext-promo {
  background: linear-gradient(135deg, var(--nv-red) 0%, var(--nv-red-soft) 100%);
  color: #fff;
  padding: 20px 24px;
  border-radius: var(--nv-r);
  margin-bottom: 26px;
  box-shadow: 0 16px 36px rgba(215, 38, 56, 0.30);
}
.ext-promo-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  font-weight: 800;
  color: #FCD34D;
  margin: 0 0 8px;
}
.ext-promo-headline {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: #fff;
}
.ext-promo-plus { display: inline-block; margin: 0 8px; color: #FCD34D; }
.ext-promo-foot {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.45;
}

.ext-hero-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
}
@media (max-width: 540px) { .ext-hero-bullets { grid-template-columns: 1fr; } }
.ext-hero-bullets li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}
.ext-hero-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  background: #FCD34D;
  border-radius: 50%;
}
.ext-hero-bullets li::after {
  content: '';
  position: absolute;
  left: 5px; top: 9px;
  width: 8px; height: 4px;
  border-left: 2px solid var(--nv-navy);
  border-bottom: 2px solid var(--nv-navy);
  transform: rotate(-45deg);
}

/* ──────────────────────────────────────────────────────────────────────────
   FORM CARD
   ────────────────────────────────────────────────────────────────────────── */
.ext-form-card {
  background: #fff;
  color: var(--nv-text);
  border-radius: var(--nv-r-xl);
  padding: clamp(24px, 3.4vw, 36px);
  box-shadow: var(--nv-shadow-lg);
  position: relative;
  border: 1px solid var(--nv-line-soft);
}
.ext-form-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 800;
  color: var(--nv-red);
  margin: 0 0 8px;
}
.ext-form-title {
  font-size: clamp(22px, 2.5vw, 26px);
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.22;
  color: var(--nv-navy);
  letter-spacing: -0.015em;
}
.ext-form-sub {
  font-size: 15px;
  color: var(--nv-text-body);
  margin: 0 0 24px;
  line-height: 1.55;
}

/* ── Step dots ────────────────────────────────────────────────────────────── */
.ext-steps-dots {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin: 0 0 28px;
  position: relative;
}
.ext-steps-dots::before {
  content: '';
  position: absolute;
  left: 12.5%; right: 12.5%;
  top: 15px;
  height: 2px;
  background: var(--nv-line);
  z-index: 0;
}
.ext-steps-dots li {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: default;
}
.ext-steps-dots li.is-done { cursor: pointer; }
.ext-dot-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--nv-line);
  color: var(--nv-text-muted);
  font-size: 13px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.22s ease;
}
.ext-dot-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nv-text-muted);
  transition: color 0.2s ease;
}
.ext-steps-dots li.is-active .ext-dot-num {
  background: var(--nv-red);
  border-color: var(--nv-red);
  color: #fff;
  box-shadow: 0 0 0 5px rgba(215, 38, 56, 0.12);
}
.ext-steps-dots li.is-active .ext-dot-label { color: var(--nv-navy); }
.ext-steps-dots li.is-done .ext-dot-num {
  background: var(--nv-navy);
  border-color: var(--nv-navy);
  color: #fff;
  font-size: 0;
}
.ext-steps-dots li.is-done .ext-dot-num::before {
  content: '✓';
  font-size: 14px;
  color: #fff;
}
.ext-steps-dots li.is-done .ext-dot-label { color: var(--nv-text-soft); }
@media (max-width: 480px) { .ext-dot-label { font-size: 10px; } }

/* ── Steps ────────────────────────────────────────────────────────────────── */
.ext-step { display: none; }
.ext-step.is-active { display: block; animation: extSlideIn 0.36s cubic-bezier(.4,.2,.2,1); }
@keyframes extSlideIn {
  from { opacity: 0; transform: translateX(14px); }
  to   { opacity: 1; transform: translateX(0); }
}
.ext-step-pre-q {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #16A34A;
  margin: 0 0 6px;
}
.ext-step-q {
  font-size: clamp(22px, 2.5vw, 26px);
  font-weight: 800;
  color: var(--nv-navy);
  margin: 0 0 6px;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.ext-step-help {
  font-size: 14.5px;
  color: var(--nv-text-soft);
  margin: 0 0 20px;
}

/* ── ZIP row ──────────────────────────────────────────────────────────────── */
.ext-zip-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-bottom: 14px;
}
@media (max-width: 480px) { .ext-zip-row { grid-template-columns: 1fr; } }
.ext-input-zip {
  font-size: 22px !important;
  font-weight: 700 !important;
  letter-spacing: 0.18em;
  text-align: center;
}
.ext-mini-trust {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--nv-text-soft);
  margin: 14px 0 0;
}
.ext-mini-trust-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22C55E;
  animation: extPulse 1.8s infinite;
}
@keyframes extPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
  50%      { box-shadow: 0 0 0 8px rgba(34,197,94, 0); }
  10%      { box-shadow: 0 0 0 0 rgba(34,197,94, 0.4); }
}

/* ── Option tiles ─────────────────────────────────────────────────────────── */
.ext-options {
  display: grid;
  gap: 10px;
}
.ext-options-1 { grid-template-columns: 1fr; }
.ext-options-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 480px) { .ext-options-2 { grid-template-columns: 1fr; } }
.ext-option {
  appearance: none;
  background: #fff;
  border: 1.5px solid var(--nv-line);
  border-radius: var(--nv-r-sm);
  padding: 20px 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--nv-navy);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.06s ease, box-shadow 0.15s ease;
  min-height: 68px;
  position: relative;
}
.ext-option:hover {
  border-color: var(--nv-navy);
  background: var(--nv-surface-2);
  transform: translateY(-1px);
  box-shadow: var(--nv-shadow-sm);
}
.ext-option:active { transform: scale(0.99); }
.ext-option.is-selected {
  border-color: var(--nv-red);
  background: var(--nv-tint-red);
  box-shadow: 0 0 0 3px rgba(215, 38, 56, 0.14);
}
.ext-option.is-selected::after {
  content: '✓';
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  width: 22px; height: 22px;
  background: var(--nv-red);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 800;
}
.ext-option-icon {
  display: inline-flex;
  width: 26px; height: 26px;
  color: var(--nv-red);
  flex-shrink: 0;
}
.ext-option-icon svg { width: 100%; height: 100%; }
.ext-option-label { flex: 1; }
.ext-option-wide { grid-column: 1 / -1; }

/* ── Form fields ──────────────────────────────────────────────────────────── */
.ext-field { margin-bottom: 14px; }
.ext-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}
@media (max-width: 540px) { .ext-field-row { grid-template-columns: 1fr !important; } }
.ext-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--nv-navy);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.ext-input,
.ext-select {
  width: 100%;
  padding: 14px 14px;
  border-radius: var(--nv-r-sm);
  border: 1.5px solid var(--nv-line);
  background: #fff;
  font-size: 16px;
  font-family: inherit;
  color: var(--nv-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.ext-input:focus,
.ext-select:focus {
  outline: none;
  border-color: var(--nv-navy);
  box-shadow: 0 0 0 3px rgba(15, 27, 61, 0.10);
}
.ext-input.is-invalid,
.ext-select.is-invalid {
  border-color: var(--nv-red);
  background: var(--nv-tint-red);
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.ext-btn-primary {
  appearance: none;
  background: var(--nv-red);
  color: #fff;
  border: none;
  border-radius: var(--nv-r-sm);
  padding: 16px 24px;
  font-weight: 700;
  font-size: 15.5px;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: 0.01em;
  box-shadow: 0 6px 16px rgba(215, 38, 56, 0.22);
  transition: transform 0.05s ease, background 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.ext-btn-primary:hover:not(:disabled) {
  background: var(--nv-red-soft);
  box-shadow: 0 10px 22px rgba(215, 38, 56, 0.28);
  color: #fff;
}
.ext-btn-primary:active:not(:disabled) { transform: translateY(1px); }
.ext-btn-primary:disabled {
  background: #CBD5E1;
  box-shadow: none;
  cursor: not-allowed;
}
.ext-btn-submit {
  width: 100%;
  padding: 18px 22px;
  font-size: 16px;
  margin-top: 12px;
  letter-spacing: 0.02em;
}
.ext-submit-trust {
  text-align: center;
  font-size: 12.5px;
  color: var(--nv-text-soft);
  margin: 12px 0 0;
  font-weight: 500;
}
.ext-nav { display: flex; justify-content: flex-start; margin-top: 18px; }
.ext-btn-back {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--nv-text-soft);
  font-weight: 600;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  padding: 6px 4px;
}
.ext-btn-back:hover { color: var(--nv-red); }

.ext-consent {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--nv-text-muted);
  margin: 14px 0 0;
}
.ext-consent a { color: var(--nv-text-soft); text-decoration: underline; }
.ext-form-error {
  display: none;
  background: var(--nv-tint-red);
  border: 1px solid #FCA5A5;
  color: #991B1B;
  padding: 10px 14px;
  border-radius: var(--nv-r-sm);
  font-size: 13.5px;
  margin: 10px 0;
}
.ext-form-error.is-shown { display: block; }

/* ── Success ──────────────────────────────────────────────────────────────── */
.ext-success { text-align: center; padding: 20px 4px 6px; }
.ext-success-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #16A34A;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.ext-success-icon svg { width: 32px; height: 32px; }
.ext-success h3 {
  font-size: 26px;
  margin: 0 0 10px;
  color: var(--nv-navy);
  font-weight: 800;
  letter-spacing: -0.015em;
}
.ext-success p { color: var(--nv-text-body); margin: 6px 0; font-size: 15.5px; }
.ext-success-call {
  display: inline-block;
  margin-top: 16px;
  background: var(--nv-red);
  color: #fff !important;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}
.ext-success-call:hover { background: var(--nv-red-soft); color: #fff !important; }
.ext-success-ref {
  display: block;
  margin-top: 16px;
  font-size: 11.5px;
  color: var(--nv-text-muted);
  letter-spacing: 0.04em;
}

/* ──────────────────────────────────────────────────────────────────────────
   LIGHT SECTION PRIMITIVES (shared)
   ────────────────────────────────────────────────────────────────────────── */
.ext-section-eyebrow {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 800;
  color: var(--nv-red);
  margin: 0 0 18px;
}
.ext-section-h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--nv-navy);
  text-align: center;
  margin: 0 0 18px;
  text-wrap: balance;
}
.ext-h2-accent { color: var(--nv-red); }
.ext-section-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--nv-text-body);
  text-align: center;
  max-width: 62ch;
  margin: 0 auto 60px;
  font-weight: 400;
}

/* ──────────────────────────────────────────────────────────────────────────
   STATS BAR  (light — white card on soft gray)
   ────────────────────────────────────────────────────────────────────────── */
.ext-stats {
  background: var(--nv-surface-2);
  padding: 28px 0;
  border-bottom: 1px solid var(--nv-line-soft);
}
.ext-stats-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: #fff;
  border: 1px solid var(--nv-line-soft);
  border-radius: var(--nv-r);
  box-shadow: var(--nv-shadow-sm);
}
@media (max-width: 700px) {
  .ext-stats-list { grid-template-columns: repeat(2, 1fr); }
}
.ext-stats-list li {
  text-align: center;
  padding: 22px 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ext-stats-list li + li::before {
  content: '';
  position: absolute;
  left: 0; top: 16px; bottom: 16px;
  width: 1px;
  background: var(--nv-line-soft);
}
@media (max-width: 700px) {
  .ext-stats-list li:nth-child(2)::before { display: none; }
  .ext-stats-list li:nth-child(3)::before { display: block; left: 0; right: auto; top: 0; bottom: auto; height: 1px; width: 100%; }
  .ext-stats-list li:nth-child(4)::before { display: none; }
}
.ext-stat-num {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  color: var(--nv-navy);
  line-height: 1;
  letter-spacing: -0.025em;
}
.ext-stat-star { color: var(--nv-gold); font-size: 0.65em; margin-left: 3px; }
.ext-stat-unit { color: var(--nv-text-soft); font-size: 0.5em; margin-left: 4px; font-weight: 700; vertical-align: super; }
.ext-stat-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--nv-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ──────────────────────────────────────────────────────────────────────────
   TRUST STRIP
   ────────────────────────────────────────────────────────────────────────── */
.ext-logos {
  background: #fff;
  padding: 32px 0;
  border-bottom: 1px solid var(--nv-line-soft);
}
.ext-logos-eyebrow {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--nv-text-muted);
  margin: 0 0 20px;
}
.ext-logos-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 36px;
}
.ext-logos-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--nv-text-soft);
  letter-spacing: 0.01em;
}
.ext-logo-ico {
  display: inline-flex;
  width: 20px; height: 20px;
  color: var(--nv-navy);
  opacity: 0.65;
}
.ext-logo-ico svg { width: 100%; height: 100%; }

/* ──────────────────────────────────────────────────────────────────────────
   SERVICES
   ────────────────────────────────────────────────────────────────────────── */
.ext-services {
  padding: clamp(72px, 9vw, 120px) 0;
  background: #fff;
}
.ext-svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .ext-svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .ext-svc-grid { grid-template-columns: 1fr; } }
.ext-svc-card {
  background: #fff;
  border: 1px solid var(--nv-line-soft);
  border-radius: var(--nv-r-lg);
  padding: 32px 26px 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.ext-svc-card:hover {
  transform: translateY(-4px);
  border-color: var(--nv-line);
  box-shadow: var(--nv-shadow-lg);
}
.ext-svc-ico {
  display: inline-flex;
  width: 52px; height: 52px;
  align-items: center; justify-content: center;
  background: var(--nv-tint-red);
  color: var(--nv-red);
  border-radius: var(--nv-r-sm);
  margin-bottom: 18px;
}
.ext-svc-ico svg { width: 26px; height: 26px; }
.ext-svc-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--nv-navy);
  margin: 0 0 10px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.ext-svc-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--nv-text-body);
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────────────
   HOW IT WORKS
   ────────────────────────────────────────────────────────────────────────── */
.ext-how {
  padding: clamp(72px, 9vw, 120px) 0;
  background: var(--nv-surface-2);
  border-top: 1px solid var(--nv-line-soft);
  border-bottom: 1px solid var(--nv-line-soft);
}
.ext-how-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}
@media (max-width: 720px) { .ext-how-list { grid-template-columns: 1fr; } }
.ext-how-step {
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--nv-line-soft);
  border-radius: var(--nv-r-lg);
  padding: 26px 26px 24px;
  align-items: flex-start;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.ext-how-step:hover {
  box-shadow: var(--nv-shadow);
  transform: translateY(-1px);
}
.ext-how-num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--nv-navy);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.ext-how-step h3 {
  font-size: 17.5px;
  font-weight: 800;
  color: var(--nv-navy);
  margin: 0 0 6px;
  line-height: 1.25;
}
.ext-how-step p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--nv-text-body);
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────────────
   WHY-NOVA OVERVIEW
   ────────────────────────────────────────────────────────────────────────── */
.ext-overview {
  padding: clamp(72px, 9vw, 120px) 0;
  background: #fff;
}
.ext-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 800px) { .ext-overview-grid { grid-template-columns: 1fr; } }
.ext-overview-card {
  background: #fff;
  border: 1px solid var(--nv-line-soft);
  border-radius: var(--nv-r-lg);
  padding: 36px 30px;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.ext-overview-card:hover {
  box-shadow: var(--nv-shadow);
  transform: translateY(-2px);
}
.ext-overview-icon {
  display: inline-flex;
  width: 56px; height: 56px;
  align-items: center; justify-content: center;
  background: var(--nv-tint-red);
  color: var(--nv-red);
  border-radius: var(--nv-r-sm);
  margin-bottom: 18px;
}
.ext-overview-icon svg { width: 28px; height: 28px; }
.ext-overview-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--nv-navy);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.ext-overview-card p {
  font-size: 15.5px;
  color: var(--nv-text-body);
  margin: 0;
  line-height: 1.6;
}

/* ──────────────────────────────────────────────────────────────────────────
   TESTIMONIALS
   ────────────────────────────────────────────────────────────────────────── */
.ext-reviews {
  background: var(--nv-surface-2);
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--nv-line-soft);
  border-bottom: 1px solid var(--nv-line-soft);
}
.ext-reviews-rating {
  text-align: center;
  margin: -40px 0 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.ext-reviews-stars {
  color: var(--nv-gold);
  font-size: 26px;
  letter-spacing: 3px;
}
.ext-reviews-label { font-size: 15px; color: var(--nv-text-body); }
.ext-reviews-label strong { color: var(--nv-navy); font-weight: 700; }
.ext-reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 800px) { .ext-reviews-grid { grid-template-columns: 1fr; } }
.ext-review {
  background: #fff;
  border: 1px solid var(--nv-line-soft);
  border-radius: var(--nv-r-lg);
  padding: 30px 28px 24px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--nv-shadow-sm);
}
.ext-review-stars { color: var(--nv-gold); font-size: 17px; letter-spacing: 2px; }
.ext-review blockquote {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--nv-text);
  font-weight: 500;
}
.ext-review figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--nv-line-soft);
  padding-top: 16px;
  margin-top: 4px;
}
.ext-review-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--nv-navy);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.ext-review-meta { display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--nv-text-soft); }
.ext-review-meta strong { color: var(--nv-navy); font-size: 14px; font-weight: 800; }

/* ──────────────────────────────────────────────────────────────────────────
   FINAL CTA (light, premium card)
   ────────────────────────────────────────────────────────────────────────── */
.ext-trusted {
  padding: clamp(72px, 9vw, 120px) 0;
  background: #fff;
}
.ext-trusted-box {
  max-width: 820px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--nv-line-soft);
  border-radius: var(--nv-r-xl);
  padding: clamp(40px, 5vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--nv-shadow);
}
.ext-trusted-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--nv-red);
}
.ext-trusted-eyebrow { color: var(--nv-red) !important; margin: 0 0 14px; }
.ext-trusted-h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--nv-navy);
  margin: 0 0 16px;
  text-wrap: balance;
}
.ext-trusted-body {
  font-size: 17px;
  line-height: 1.65;
  color: var(--nv-text-body);
  margin: 0 auto 28px;
  max-width: 52ch;
}
.ext-btn-trusted { padding: 18px 28px; font-size: 16px; }
.ext-trusted-or {
  font-size: 14.5px;
  color: var(--nv-text-soft);
  margin: 16px 0 0;
}
.ext-trusted-or a { color: var(--nv-red); font-weight: 700; }

/* ──────────────────────────────────────────────────────────────────────────
   FOOTER
   ────────────────────────────────────────────────────────────────────────── */
.ext-footer {
  background: var(--nv-surface-2);
  color: var(--nv-text-soft);
  padding: 48px 0 36px;
  border-top: 1px solid var(--nv-line-soft);
}
.ext-footer-inner {
  display: grid;
  gap: 24px;
  text-align: center;
}
.ext-footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.ext-footer-brand img { height: 44px; width: auto; opacity: 0.85; }
.ext-footer-brand p { margin: 4px 0; font-size: 13.5px; color: var(--nv-text-soft); }
.ext-footer-phone {
  display: inline-block;
  margin-top: 8px;
  color: var(--nv-navy) !important;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.ext-footer-phone:hover { color: var(--nv-red) !important; }
.ext-footer-legal {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--nv-text-muted);
  margin: 14px auto 0;
  max-width: 880px;
}
.ext-footer-links {
  font-size: 12.5px;
  color: var(--nv-text-muted);
  margin: 14px 0 0;
}
.ext-footer-links a { color: var(--nv-text-soft); text-decoration: underline; }
.ext-footer-links a:hover { color: var(--nv-navy); }

/* ──────────────────────────────────────────────────────────────────────────
   STICKY MOBILE BAR
   ────────────────────────────────────────────────────────────────────────── */
.ext-sticky {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: flex;
  gap: 8px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(15, 27, 61, 0.97);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  transform: translateY(120%);
  transition: transform 0.3s ease;
}
.ext-sticky.is-shown { transform: translateY(0); }
.ext-sticky-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  background: rgba(255, 255, 255, 0.10);
  color: #fff !important;
  border-radius: var(--nv-r-sm);
  text-decoration: none;
  flex-shrink: 0;
}
.ext-sticky-call:hover { background: rgba(255, 255, 255, 0.2); color: #fff !important; }
.ext-sticky-cta {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--nv-red);
  color: #fff !important;
  border-radius: var(--nv-r-sm);
  padding: 14px 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 14.5px;
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(215, 38, 56, 0.35);
}
.ext-sticky-cta:hover { background: var(--nv-red-soft); color: #fff !important; }

@media (min-width: 940px) { .ext-sticky { display: none; } }
@media (max-width: 940px) { body.ext-page { padding-bottom: 80px; } }