:root {
  --font-heading: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --blue: #172fc2;
  --blue-dark: #0e1f8f;
  --gold: #ffb700;
  --ink: #111827;
  --text: #374151;
  --muted: #5b6472;
  --line: #d9deea;
  --soft: #f5f7fb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

body.menu-open {
  overflow: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--ink);
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(39px, 5vw, 68px);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(31px, 3.2vw, 46px);
  letter-spacing: -0.035em;
}

h3,
h4 {
  font-size: 22px;
}

p {
  margin: 0;
  font-size: 16px;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 26px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--ink);
  font-size: 24px;
  white-space: nowrap;
}

.logo-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.desktop-nav a,
.mobile-panel a {
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
}

.desktop-nav a:hover,
.mobile-panel a:hover {
  color: var(--blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-button,
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 52px;
  padding: 0 22px;
  border: 2px solid var(--blue);
  background: var(--blue);
  color: var(--white);
  font-weight: 800;
  font-size: 16px;
  line-height: 1;
  white-space: nowrap;
  position: relative;
  overflow: visible;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.phone-button:hover,
.cta-button:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
  transform: translateY(-2px);
}

.pulse::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  animation: pulseGlow 1.8s infinite;
  pointer-events: none;
}

@keyframes pulseGlow {
  0% { opacity: 0.75; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.12); }
}

.hamburger {
  display: none;
  width: 48px;
  height: 48px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  align-items: center;
  justify-content: center;
}

.hamburger span,
.hamburger span::before,
.hamburger span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger span::before { top: -8px; }
.hamburger span::after { top: 8px; }

.mobile-panel {
  display: none;
  position: fixed;
  inset: 82px 0 auto 0;
  z-index: 60;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 18px;
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.18);
}

.mobile-panel.is-open {
  display: block;
}

.mobile-nav-links {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.hero {
  min-height: 730px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(90deg, rgba(8, 14, 38, 0.92) 0%, rgba(13, 25, 73, 0.8) 48%, rgba(13, 25, 73, 0.34) 100%), url("../images/technician-oven_1.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 42px;
  align-items: center;
  padding: 96px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  background: rgba(255, 183, 0, 0.16);
  border-left: 5px solid var(--gold);
  padding: 10px 14px;
  font-weight: 800;
  margin-bottom: 20px;
}

.hero h1,
.hero h2,
.hero h3 {
  color: var(--white);
}

.hero-copy {
  max-width: 700px;
}

.hero-copy .lead {
  font-size: 20px;
  color: #f7f8ff;
  margin: 20px 0 24px;
  max-width: 670px;
}

.stars {
  color: var(--gold);
  font-size: 28px;
  letter-spacing: 4px;
  margin-top: 18px;
  line-height: 1;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-badges img {
  height: 48px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.75);
  padding: 4px 8px;
}

.hero-cta-text {
  color: var(--white);
  font-weight: 800;
  margin: 24px 0 18px;
}

.hero-card {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(14px);
  padding: 34px;
  color: var(--white);
}

.hero-card h3 {
  color: var(--white);
  margin-bottom: 22px;
}

.advantage-list {
  display: grid;
  gap: 16px;
}

.advantage-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
}

.icon-box {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--gold);
  color: var(--gold);
  flex: 0 0 auto;
}

.icon-box svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.section {
  padding: 92px 0;
}

.section.alt {
  background: var(--soft);
}

.section.dark {
  background: #0d163d;
  color: #f7f8ff;
}

.section.dark h2,
.section.dark h3,
.section.dark h4 {
  color: var(--white);
}

.section-heading {
  max-width: 830px;
  margin-bottom: 36px;
}

.section-heading.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.heading-accent {
  width: 72px;
  height: 5px;
  background: var(--gold);
  margin: 18px 0 0;
}

.section-heading.center .heading-accent {
  margin-left: auto;
  margin-right: auto;
}

.section-heading p {
  margin-top: 18px;
  color: var(--muted);
}

.section.dark .section-heading p {
  color: #d8def5;
}

.banner-text {
  padding: 46px 0 20px;
  background: var(--white);
}

.banner-text p {
  max-width: 980px;
  font-size: 18px;
  color: var(--ink);
}

.reviews-shell {
  position: relative;
  overflow: hidden;
}

.reviews-track {
  display: flex;
  transition: transform 350ms ease;
}

.review-card {
  flex: 0 0 calc(100% / 3);
  padding: 0 10px;
}

.review-card-inner {
  height: 100%;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 5px solid var(--blue);
  padding: 28px;
  box-shadow: 0 16px 38px rgba(17, 24, 39, 0.08);
}

.review-card strong {
  display: block;
  color: var(--ink);
  margin-bottom: 12px;
}

.review-stars {
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}

.slider-controls button {
  width: 48px;
  height: 48px;
  border: 2px solid var(--blue);
  background: var(--white);
  color: var(--blue);
  font-weight: 900;
  cursor: pointer;
}

.slider-controls button:hover {
  background: var(--blue);
  color: var(--white);
}

.split-visual {
  display: grid;
  grid-template-columns: minmax(0, 65%) minmax(280px, 35%);
  gap: 42px;
  align-items: center;
}

.split-visual.reverse {
  grid-template-columns: minmax(280px, 35%) minmax(0, 65%);
}

.split-visual.reverse .visual {
  order: 1;
}

.split-visual.reverse .split-content {
  order: 2;
}

.visual img {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
  border: 10px solid var(--white);
  box-shadow: 0 22px 60px rgba(17, 24, 39, 0.16);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.service-card,
.reason-card,
.step-card,
.parts-panel {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 24px;
}

.service-card {
  border-top: 5px solid var(--gold);
}

.service-card .icon-box,
.reason-card .icon-box,
.step-card .icon-box {
  color: var(--blue);
  border-color: var(--blue);
  margin-bottom: 16px;
}

.service-card h3,
.reason-card h3,
.step-card h3 {
  margin-bottom: 12px;
}

.service-card p + p {
  margin-top: 12px;
}

.parts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.check-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 11px;
  height: 11px;
  background: var(--gold);
}

.local-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.local-pill {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  padding: 18px;
  font-weight: 800;
  text-align: center;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--blue);
  color: var(--white);
  font-weight: 900;
  margin-bottom: 14px;
}

.cta-band {
  background: linear-gradient(135deg, var(--blue) 0%, #091452 100%);
  color: var(--white);
  padding: 58px 0;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.cta-band h2,
.cta-band p {
  color: var(--white);
}

.cta-band p {
  margin-top: 14px;
}

.site-footer {
  background: #080d24;
  color: #f4f6ff;
  padding: 54px 0 28px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 34px;
  margin-bottom: 34px;
}

.site-footer .logo {
  color: var(--white);
}

.footer-links {
  display: grid;
  gap: 8px;
}

.site-footer a {
  color: #f4f6ff;
}

.site-footer a:hover {
  color: var(--gold);
}

.disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 24px;
  color: #cfd5e8;
}

.copyright {
  margin-top: 18px;
  color: #cfd5e8;
}

.mobile-sticky-call {
  display: none;
}

.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1160px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .desktop-nav {
    gap: 11px;
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: 4px;
  }

  .desktop-nav a {
    font-size: 16px;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .container {
    width: min(100% - 28px, 640px);
  }

  h1 {
    font-size: clamp(28px, 9vw, 48px);
  }

  h2 {
    font-size: clamp(22px, 7vw, 32px);
  }

  .header-inner {
    min-height: 72px;
  }

  .logo {
    font-size: 24px;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
  }

  .desktop-nav,
  .header-actions .phone-button {
    display: none;
  }

  .hamburger {
    display: inline-flex;
  }

  .mobile-panel {
    inset: 72px 0 auto 0;
  }

  .hero {
    min-height: 680px;
    background-position: 58% center;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 54px 0 46px;
  }

  .hero-copy .lead {
    font-size: 17px;
  }

  .hero-card {
    padding: 24px;
  }

  .hero-badges img {
    height: 48px;
    max-width: 96px;
  }

  .section {
    padding: 62px 0;
  }

  .banner-text {
    padding-top: 34px;
  }

  .review-card {
    flex-basis: 100%;
  }

  .split-visual,
  .split-visual.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .split-visual.reverse .visual,
  .split-visual.reverse .split-content {
    order: initial;
  }

  .visual img {
    min-height: 260px;
  }

  .service-grid,
  .parts-grid,
  .local-strip,
  .reasons-grid,
  .steps-grid,
  .footer-grid,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    align-items: start;
  }

  .mobile-sticky-call {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 0 12px max(0px, env(safe-area-inset-bottom));
    background: var(--gold);
    color: #111827;
    font-weight: 900;
    font-size: 16px;
    white-space: nowrap;
    transform: translateY(120%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .mobile-sticky-call.is-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  body.has-mobile-call {
    padding-bottom: 70px;
  }
}

@media (min-width: 768px) {
  .mobile-panel,
  .mobile-sticky-call,
  .hamburger {
    display: none !important;
  }
}
