:root {
  --ink: #10233f;
  --muted: #5f6f82;
  --paper: #f5f7fa;
  --surface: #ffffff;
  --line: #dfe6ee;
  --accent: #f36b21;
  --accent-dark: #c94f0e;
  --success: #1f7a55;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 18px 50px rgba(16, 35, 63, 0.1);
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

p,
h1,
h2,
h3,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Segoe UI Variable Display", "Segoe UI", Inter, sans-serif;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-width: 900px;
  margin-bottom: 28px;
  font-size: clamp(2.75rem, 6vw, 5.5rem);
  font-weight: 780;
}

h2 {
  max-width: 850px;
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  font-weight: 760;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  font-weight: 730;
}

::selection {
  color: var(--surface);
  background: var(--accent-dark);
}

:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 4px;
  border-radius: 6px;
  box-shadow: 0 0 0 7px var(--accent-dark) !important;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: auto minmax(160px, 0.75fr) minmax(440px, 1.6fr) auto;
  gap: 12px 26px;
  align-items: center;
  width: 100%;
  min-height: 86px;
  padding: 14px max(24px, calc((100vw - var(--container)) / 2));
  border-bottom: 1px solid rgba(223, 230, 238, 0.9);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 30px rgba(16, 35, 63, 0.05);
  backdrop-filter: blur(16px);
}

.site-header a {
  min-height: 44px;
  min-width: 44px;
}

.site-brand,
.header-phone,
.site-nav a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-brand {
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.site-header > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.site-nav {
  display: flex;
  gap: 2px;
  align-items: center;
  justify-content: flex-end;
}

.site-nav a {
  padding: 9px 10px;
  border-radius: 10px;
  color: #334861;
  font-size: 0.86rem;
  font-weight: 650;
  white-space: nowrap;
  transition: color 160ms ease, background-color 160ms ease;
}

.site-nav a:hover {
  color: var(--ink);
  background: var(--paper);
}

.header-phone {
  justify-content: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 760;
  white-space: nowrap;
  transition: border-color 160ms ease, color 160ms ease;
}

.header-phone:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.hero {
  position: relative;
  isolation: isolate;
  width: min(calc(100% - 48px), var(--container));
  min-height: 660px;
  margin: 36px auto 0;
  padding: clamp(54px, 7vw, 92px);
  overflow: hidden;
  color: var(--surface);
  background:
    radial-gradient(circle at 88% 12%, rgba(77, 180, 209, 0.24), transparent 30%),
    linear-gradient(135deg, #10233f 0%, #17375b 72%, #1c4966 100%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero > p {
  max-width: 790px;
  color: #dce8f4;
}

.hero > p:first-child {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin-bottom: 24px;
  padding: 5px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero > p:nth-of-type(2) {
  margin-bottom: 12px;
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.hero > p:nth-of-type(3) {
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  color: #b9cbe0;
  font-size: 0.94rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 32px 0 0;
}

.button,
summary {
  min-height: 44px;
  min-width: 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-style: normal;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: var(--accent);
  box-shadow: 0 10px 24px rgba(243, 107, 33, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: #ffffff;
  background: var(--accent-dark);
  box-shadow: 0 14px 28px rgba(201, 79, 14, 0.3);
}

.button-secondary {
  color: var(--ink);
  background: #ffffff;
  border-color: rgba(16, 35, 63, 0.12);
}

.button-secondary:hover {
  border-color: rgba(16, 35, 63, 0.32);
  background: #f7fafc;
}

.hero .button-secondary {
  border-color: rgba(255, 255, 255, 0.18);
}

.button-link {
  padding-inline: 14px;
  color: currentColor;
  border-color: transparent;
  background: transparent;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.36);
}

.button-link:hover {
  text-decoration-color: currentColor;
}

.trust-strip {
  display: grid;
  grid-template-columns: 0.7fr 1.35fr 1.15fr;
  gap: 1px;
  max-width: 980px;
  margin: 42px 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.13);
  list-style: none;
}

.trust-strip li {
  position: relative;
  padding: 20px 18px 20px 42px;
  color: #e6eef7;
  background: rgba(8, 25, 48, 0.38);
  font-size: 0.84rem;
  line-height: 1.45;
}

.trust-strip li::before {
  position: absolute;
  top: 22px;
  left: 18px;
  width: 10px;
  height: 10px;
  border: 3px solid #a6e2c8;
  border-radius: 50%;
  content: "";
}

.section {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
  padding-block: clamp(72px, 10vw, 124px);
}

.section > p {
  max-width: 850px;
  color: var(--muted);
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.card {
  position: relative;
  min-height: 210px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 8px 26px rgba(16, 35, 63, 0.045);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.card::before {
  display: block;
  width: 42px;
  height: 5px;
  margin-bottom: 24px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.card:hover {
  border-color: #c6d4e1;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.refrigerators {
  position: relative;
}

.refrigerators::before {
  position: absolute;
  z-index: -1;
  top: 48px;
  right: 0;
  width: 45%;
  height: 180px;
  border-radius: 50%;
  background: rgba(173, 225, 238, 0.2);
  filter: blur(58px);
  content: "";
}

.refrigerators .card {
  border-top: 5px solid #65b7cf;
}

.refrigerators .card::before {
  background: #3e93ae;
}

.appliances,
.benefits,
.faq {
  width: 100%;
  padding-inline: max(24px, calc((100vw - var(--container)) / 2));
  background: var(--surface);
}

.appliances .card {
  background: var(--paper);
  box-shadow: none;
}

.benefits .card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.benefits .card {
  min-height: 245px;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.08);
  background: var(--ink);
  box-shadow: none;
}

.benefits .card p {
  color: #bfd0e2;
}

.benefits .card::before {
  width: 14px;
  height: 14px;
  border: 4px solid #ffffff;
  background: transparent;
}

.process {
  padding-bottom: 84px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin: 48px 0 0;
  padding: 0;
  counter-reset: repair-step;
  list-style: none;
}

.step {
  position: relative;
  padding-top: 78px;
  color: var(--muted);
  counter-increment: repair-step;
}

.step::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent-dark);
  background: var(--surface);
  box-shadow: 0 8px 20px rgba(16, 35, 63, 0.08);
  content: counter(repair-step, decimal-leading-zero);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.step::after {
  position: absolute;
  top: 29px;
  left: 68px;
  width: calc(100% - 52px);
  height: 1px;
  background: var(--line);
  content: "";
}

.step:last-child::after {
  display: none;
}

.step strong {
  color: var(--ink);
  font-weight: 730;
}

.areas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding-top: 44px;
}

.areas::before {
  grid-column: 1 / -1;
  width: 100%;
  height: 1px;
  margin-bottom: 42px;
  background: var(--line);
  content: "";
}

.areas h2 {
  grid-column: 1 / -1;
}

.areas > p {
  max-width: none;
  min-height: 170px;
  margin: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.brands {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 20px 72px;
  align-items: start;
}

.brands h2 {
  grid-row: 1 / span 2;
}

.brands p {
  max-width: none;
}

.brands p:first-of-type {
  color: var(--ink);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  font-weight: 650;
  line-height: 1.55;
}

.other-services {
  margin-bottom: 110px;
  padding: clamp(46px, 6vw, 74px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #edf1f5;
}

.other-services h2 {
  font-size: clamp(1.75rem, 3vw, 2.65rem);
}

.other-services > p {
  margin-bottom: 0;
}

.faq {
  padding-block: clamp(74px, 9vw, 112px);
}

.faq h2 {
  margin-bottom: 38px;
}

.faq details {
  max-width: 920px;
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary,
.site-footer summary {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  padding: 19px 4px;
  cursor: pointer;
  font-weight: 720;
  line-height: 1.35;
  list-style: none;
}

.faq summary::-webkit-details-marker,
.site-footer summary::-webkit-details-marker {
  display: none;
}

.faq summary::after,
.site-footer summary::after {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(45deg) translateY(-3px);
  transition: transform 180ms ease;
}

.faq details[open] summary::after,
.site-footer details[open] summary::after {
  transform: rotate(225deg) translate(-3px, -1px);
}

.faq details p {
  max-width: 790px;
  margin: -2px 0 24px;
  padding-right: 40px;
  color: var(--muted);
}

.contact {
  margin-block: 72px;
  padding: clamp(48px, 7vw, 82px);
  color: #ffffff;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 100% 0, rgba(243, 107, 33, 0.18), transparent 32%),
    var(--ink);
  box-shadow: var(--shadow);
}

.contact h2 {
  max-width: 720px;
}

.contact > p {
  color: #c1d0e1;
}

.contact > p:last-child {
  margin: 26px 0 0;
  font-size: 0.88rem;
}

.contact .button-link {
  color: #ffffff;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 0.8fr) auto;
  gap: 32px 54px;
  align-items: start;
  width: 100%;
  padding: 52px max(24px, calc((100vw - var(--container)) / 2));
  color: #b9c9da;
  background: #09182b;
  font-size: 0.9rem;
}

.site-footer > p {
  margin: 0;
}

.site-footer details p {
  margin-bottom: 12px;
  color: #9dafc1;
  font-size: 0.82rem;
}

.site-footer summary {
  padding-top: 0;
  color: #ffffff;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  color: #ffffff;
  font-size: 1.08rem;
  font-weight: 750;
}

.mobile-actions {
  position: fixed;
  z-index: 50;
  right: 0;
  bottom: 0;
  left: 0;
  display: none;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 -12px 32px rgba(16, 35, 63, 0.14);
  backdrop-filter: blur(14px);
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .site-header > p {
    display: none;
  }

  .site-nav {
    justify-content: center;
  }

  .site-nav a {
    font-size: 0.8rem;
  }

  .benefits .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step:nth-child(2)::after {
    display: none;
  }

  .site-footer {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 761px) and (max-width: 1024px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .site-brand,
  .header-phone {
    display: inline-flex;
  }

  .mobile-actions {
    display: none;
  }
}

@media (max-width: 760px) {
  body {
    min-width: 0;
    padding-bottom: calc(88px + env(safe-area-inset-bottom));
    font-size: 16px;
  }

  html {
    scroll-padding-top: 76px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    padding: 8px 16px;
  }

  .site-brand {
    font-size: 1rem;
  }

  .site-nav {
    display: none;
  }

  .header-phone {
    padding-inline: 10px;
    border: 0;
    font-size: 0.83rem;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3.6rem);
    overflow-wrap: break-word;
  }

  h2 {
    font-size: clamp(1.85rem, 9vw, 2.7rem);
  }

  .hero,
  .section {
    width: min(calc(100% - 28px), var(--container));
  }

  .hero {
    min-height: 0;
    margin-top: 14px;
    padding: 38px 22px 28px;
    border-radius: 22px;
  }

  .hero > p:first-child {
    margin-bottom: 20px;
    font-size: 0.7rem;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .trust-strip {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .trust-strip li {
    padding-block: 16px;
  }

  .section {
    padding-block: 68px;
  }

  .appliances,
  .benefits,
  .faq {
    width: 100%;
    padding-inline: 14px;
  }

  .card-grid,
  .benefits .card-grid,
  .steps,
  .areas,
  .brands,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .card-grid {
    margin-top: 30px;
  }

  .card {
    min-height: 0;
    padding: 24px;
  }

  .steps {
    gap: 24px;
    margin-top: 34px;
  }

  .step {
    min-height: 58px;
    padding: 6px 0 0 76px;
  }

  .step::after {
    display: none;
  }

  .areas::before,
  .areas h2,
  .brands h2 {
    grid-column: auto;
    grid-row: auto;
  }

  .areas > p {
    min-height: 0;
  }

  .other-services {
    width: min(calc(100% - 28px), var(--container));
    margin-bottom: 68px;
    padding: 34px 24px;
  }

  .faq details {
    padding-inline: 8px;
  }

  .faq summary {
    padding-block: 17px;
  }

  .contact {
    margin-block: 14px 56px;
    padding: 38px 22px;
    border-radius: 22px;
  }

  .site-footer {
    gap: 24px;
    padding: 40px 18px 36px;
  }

  .mobile-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .mobile-actions .button {
    width: 100%;
    padding-inline: 10px;
  }
}

@media (min-width: 761px) {
  .mobile-actions {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
  }
}