:root {
  --ink: #151a20;
  --muted: #6f7782;
  --paper: #f7f5ef;
  --panel: #ffffff;
  --line: rgba(21, 26, 32, 0.14);
  --blue: #1557b7;
  --amber: #efb82f;
  --slate: #1e2a36;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.48;
  background:
    linear-gradient(rgba(21, 26, 32, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 26, 32, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

.power-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 8%, rgba(239, 184, 47, 0.22), transparent 24rem),
    radial-gradient(circle at 82% 8%, rgba(21, 87, 183, 0.12), transparent 24rem);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(247, 245, 239, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
}

.topbar.is-scrolled {
  border-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--ink);
  background: var(--amber);
  border-radius: 3px;
}

nav {
  justify-self: center;
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

nav a:hover,
footer a:hover {
  color: var(--blue);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--slate);
  border-radius: 3px;
  color: #fff;
  background: var(--slate);
  font-weight: 900;
  cursor: pointer;
}

.btn-ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.btn-call {
  min-height: 42px;
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
  white-space: nowrap;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.72fr);
  gap: clamp(30px, 6vw, 96px);
  align-items: end;
  padding: clamp(54px, 8vw, 120px) clamp(18px, 5vw, 72px) 26px;
}

.hero-copy {
  padding-bottom: clamp(20px, 4vw, 52px);
}

.tag {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 20px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8vw, 118px);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  max-width: 880px;
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 0.96;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: clamp(22px, 2.3vw, 34px);
}

.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: 18px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-panel {
  min-height: 610px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #ddd;
}

.hero-panel img {
  height: 100%;
  min-height: 610px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.82) contrast(1.05);
  transform: scale(1.03);
  animation: slowZoom 14s ease-in-out infinite alternate;
}

.signal-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0 clamp(18px, 5vw, 72px);
  border-block: 1px solid var(--line);
}

.signal-line span {
  padding: 18px 28px 18px 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.signal-line span::before {
  content: "/";
  margin-right: 18px;
  color: var(--amber);
}

.signal-line span:first-child::before {
  content: "";
  margin: 0;
}

.section {
  padding: clamp(76px, 9vw, 132px) clamp(18px, 5vw, 72px);
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 44px;
}

.service-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(22px, 5vw, 72px);
  align-items: start;
  margin-bottom: 42px;
}

.service-options {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.service-option {
  min-height: 54px;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-weight: 900;
  cursor: pointer;
}

.service-option.active {
  color: var(--ink);
}

.service-option.active::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 12px;
  background: var(--amber);
}

.service-screen {
  padding: 0 0 42px;
  border-bottom: 1px solid var(--line);
}

.service-screen span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.service-screen p {
  max-width: 980px;
  margin: 0;
  font-size: clamp(28px, 4.4vw, 64px);
  line-height: 1;
  font-weight: 900;
}

.service-list {
  border-top: 1px solid var(--line);
}

.service-card {
  display: grid;
  grid-template-columns: 90px minmax(220px, 0.45fr) minmax(0, 1fr);
  gap: clamp(18px, 4vw, 62px);
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.service-card span {
  color: var(--blue);
  font-weight: 900;
}

.service-card p,
.process-copy li span,
.review-line p,
.contact-data li,
.hint {
  color: var(--muted);
}

.service-card p {
  margin: 0;
  max-width: 680px;
}

.process {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 110px);
  align-items: center;
  padding: clamp(76px, 9vw, 132px) clamp(18px, 5vw, 72px);
  background: #fff;
}

.process-media {
  overflow: hidden;
}

.process-media img {
  min-height: 560px;
  object-fit: cover;
  filter: saturate(0.82);
}

.process-copy ol {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.process-copy li {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.process-copy li strong {
  font-size: 20px;
}

.review-line {
  max-width: 980px;
  margin: 0;
  padding: 0;
}

.review-line p {
  margin-bottom: 18px;
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.22;
}

.review-line cite {
  color: var(--ink);
  font-style: normal;
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 86px);
  padding: clamp(76px, 9vw, 132px) clamp(18px, 5vw, 72px);
  color: #fff;
  background: var(--slate);
}

.contact-section .tag {
  color: var(--amber);
}

.contact-data ul {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.contact-data li,
.contact-data a {
  color: rgba(255, 255, 255, 0.76);
}

.smart-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 42px);
  color: var(--ink);
  background: #fff;
}

.smart-form h3 {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.smart-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 13px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(21, 26, 32, 0.2);
  outline: 0;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
}

textarea {
  resize: vertical;
}

.ai-hint {
  padding: 14px 0;
  color: #314057;
  border-top: 1px solid rgba(21, 26, 32, 0.14);
  border-bottom: 1px solid rgba(21, 26, 32, 0.14);
  font-size: 14px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--muted);
  background: #fff;
}

footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 760ms ease, transform 760ms ease;
}

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

@keyframes slowZoom {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1080px) {
  .hero,
  .process,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .hero-panel img {
    min-height: 460px;
  }
}

@media (max-width: 760px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 12px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 18px;
  }

  h1 {
    font-size: clamp(42px, 14vw, 68px);
  }

  .service-layout,
  .service-card,
  .process-copy li,
  .form-row {
    grid-template-columns: 1fr;
  }

  .process-media img {
    min-height: 360px;
  }

  footer {
    display: grid;
    text-align: center;
  }
}