:root {
  --bg: #ffffff;
  --ink: #062044;
  --muted: #49627d;
  --line: #dce8ee;
  --teal: #00a782;
  --teal-dark: #007c66;
  --mist: #f2faf8;
  --navy: #061d3a;
  --shadow: 0 18px 50px rgba(6, 32, 68, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

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

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 32px;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 48px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  min-width: max-content;
}

.brand-mark {
  align-items: center;
  background: var(--teal);
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.brand strong,
.brand em {
  display: block;
  font-style: normal;
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
}

.brand strong {
  color: var(--ink);
  font-size: 15px;
}

.brand em {
  color: var(--teal-dark);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  gap: 28px;
  justify-content: center;
}

.nav a,
.header-phone {
  font-size: 14px;
  font-weight: 800;
}

.nav a:hover,
.header-phone:hover {
  color: var(--teal-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(440px, 1.08fr);
  min-height: max(620px, calc(100vh - 156px));
  overflow: hidden;
}

.hero-copy {
  align-self: center;
  padding: 52px 24px 52px 48px;
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  font-size: clamp(44px, 5vw, 68px);
  letter-spacing: 0;
  line-height: 0.98;
  margin: 0 0 24px;
  max-width: 760px;
}

.hero-copy h1::after {
  background: var(--teal);
  content: "";
  display: block;
  height: 5px;
  margin-top: 16px;
  width: min(280px, 70%);
}

.hero-copy p {
  color: var(--ink);
  font-size: 19px;
  line-height: 1.55;
  margin: 0 0 28px;
  max-width: 610px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: 6px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 900;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 12px 30px rgba(0, 167, 130, 0.22);
  color: #fff;
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  background: #fff;
}

.call-line {
  color: var(--ink);
  display: inline-block;
  font-size: 18px;
  font-weight: 900;
  margin-top: 24px;
}

.hero-media {
  min-height: 560px;
  position: relative;
}

.hero-media::before {
  background: linear-gradient(90deg, #fff 0%, rgba(255, 255, 255, 0.76) 16%, rgba(255, 255, 255, 0) 38%);
  content: "";
  inset: 0;
  position: absolute;
  z-index: 1;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  object-position: center right;
  width: 100%;
}

section {
  padding: 64px 48px;
}

.problem {
  padding-top: 28px;
}

.section-heading {
  margin: 0 auto 36px;
  max-width: 820px;
  text-align: center;
}

.section-heading p,
.audit-copy > p:first-child {
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
  margin: 0;
}

h3 {
  font-size: 19px;
  line-height: 1.2;
  margin: 0 0 10px;
}

.problem-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 auto;
  max-width: 1180px;
}

.problem-grid article {
  border-right: 1px solid var(--line);
  padding: 8px 28px;
  text-align: center;
}

.problem-grid article:last-child {
  border-right: 0;
}

.icon {
  align-items: center;
  border: 3px solid var(--teal);
  border-radius: 50%;
  color: var(--teal-dark);
  display: inline-flex;
  font-size: 28px;
  height: 58px;
  justify-content: center;
  margin-bottom: 16px;
  width: 58px;
}

.problem-grid p,
.step-row p,
.price-card p,
.audit-copy p,
.areas p,
.faq p,
.final-cta p,
.site-footer p {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.steps {
  padding-top: 40px;
}

.step-row {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1100px;
}

.step-row article {
  align-items: flex-start;
  display: grid;
  gap: 14px;
  grid-template-columns: 48px 1fr;
}

.step-row span {
  align-items: center;
  background: var(--teal);
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.step-row h3,
.step-row p {
  grid-column: 2;
}

.pricing {
  padding-top: 56px;
}

.pricing-grid {
  display: grid;
  gap: 0;
  grid-template-columns: minmax(0, 620px);
  justify-content: center;
  margin: 0 auto;
  max-width: 1050px;
}

.price-card {
  border: 1px solid var(--line);
  padding: 34px;
  position: relative;
}

.price-card:first-child {
  border-radius: var(--radius);
}

.price-card:last-child {
  border-radius: var(--radius);
}

.price-card.featured {
  border-color: var(--teal);
  box-shadow: var(--shadow);
  margin-top: 0;
  z-index: 2;
}

.price-card small {
  background: var(--teal);
  color: #fff;
  display: block;
  font-size: 12px;
  font-weight: 900;
  left: -1px;
  padding: 8px 12px;
  position: absolute;
  right: -1px;
  text-align: center;
  text-transform: uppercase;
  top: -1px;
}

.price-card.featured h3 {
  margin-top: 20px;
}

.price-card strong {
  color: var(--teal-dark);
  display: block;
  font-size: 40px;
  line-height: 1;
  margin: 24px 0;
}

.price-card strong span {
  color: var(--muted);
  font-size: 15px;
}

ul {
  list-style: none;
  margin: 24px 0;
  padding: 0;
}

li {
  color: var(--ink);
  line-height: 1.45;
  margin: 12px 0;
  padding-left: 24px;
  position: relative;
}

li::before {
  color: var(--teal-dark);
  content: "✓";
  font-weight: 900;
  left: 0;
  position: absolute;
}

.price-card .button {
  width: 100%;
}

.guarantee {
  color: var(--muted);
  margin: 20px 0 0;
  text-align: center;
}

.audit {
  background: var(--mist);
  display: grid;
  gap: 48px;
  grid-template-columns: 0.78fr 1.22fr;
  margin: 12px 48px;
  padding: 48px;
}

.audit-copy h2 {
  margin-bottom: 18px;
}

.audit-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 34px rgba(6, 32, 68, 0.08);
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, 1fr);
  padding: 24px;
}

.field-group {
  display: grid;
  gap: 7px;
}

.field-group.full,
.audit-form .full {
  grid-column: 1 / -1;
}

label {
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink);
  font: inherit;
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

textarea {
  resize: vertical;
}

.form-note {
  color: var(--muted);
  font-size: 13px;
  grid-column: 1 / -1;
  margin: 0;
  text-align: center;
}

.areas {
  padding-bottom: 44px;
  text-align: center;
}

.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 30px auto 24px;
  max-width: 1100px;
}

.area-list span {
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-weight: 900;
  padding: 8px 24px;
}

.area-list span:last-child {
  border-right: 0;
}

.faq {
  padding-top: 40px;
}

.faq-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 auto;
  max-width: 1080px;
}

details {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 20px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  padding-top: 12px;
}

.final-cta {
  align-items: center;
  background: var(--navy);
  color: #fff;
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr auto auto;
}

.final-cta h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 8px;
}

.final-cta p,
.site-footer p {
  color: rgba(255, 255, 255, 0.78);
}

.cta-phone {
  font-size: 18px;
  font-weight: 900;
}

.site-footer {
  align-items: start;
  background: #05152a;
  color: #fff;
  display: grid;
  gap: 28px;
  grid-template-columns: auto 1fr auto;
  padding: 42px 48px;
}

.site-footer address {
  display: grid;
  font-style: normal;
  gap: 10px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 18px 24px;
    position: static;
  }

  .nav {
    flex-wrap: wrap;
    gap: 16px;
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    padding: 34px 24px 24px;
  }

  .hero-media {
    min-height: 320px;
  }

  .hero-media::before {
    display: none;
  }

  section {
    padding: 52px 24px;
  }

  .problem-grid,
  .step-row,
  .pricing-grid,
  .audit,
  .faq-grid,
  .final-cta,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .problem-grid article {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    padding: 24px 0;
  }

  .audit {
    margin: 0 24px;
    padding: 32px 22px;
  }

  .price-card,
  .price-card:first-child,
  .price-card:last-child {
    border-radius: var(--radius);
  }

  .price-card.featured {
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .audit-form {
    grid-template-columns: 1fr;
  }

  .area-list {
    display: grid;
  }

  .area-list span {
    border: 0;
    border-bottom: 1px solid var(--line);
  }
}