:root {
  --bg: #f3f4f5;
  --surface: #ffffff;
  --ink: #1e232a;
  --muted: #62666d;
  --line: #dfe1e5;
  --orange: #f28c28;
  --orange-dark: #d66b13;
  --graphite: #1e232a;
  --graphite-soft: #343941;
  --steel: #565b63;
  --shadow: 0 22px 70px rgba(30, 35, 42, 0.14);
  --radius: 8px;
  --container: min(1120px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  letter-spacing: 0;
}

body::selection {
  background: rgba(242, 140, 40, 0.25);
}

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

img,
svg {
  display: block;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 0 max(20px, calc((100vw - 1120px) / 2));
  color: #fff;
  background: linear-gradient(180deg, rgba(12, 14, 17, 0.82), rgba(12, 14, 17, 0.44));
  transition: background 0.25s ease, box-shadow 0.25s ease, min-height 0.25s ease;
}

.site-header.is-scrolled {
  min-height: 64px;
  background: rgba(14, 16, 20, 0.94);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
  color: #fff;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 180px;
  min-height: 54px;
  font-weight: 800;
  text-transform: uppercase;
}

.brand__logo {
  width: clamp(158px, 18vw, 260px);
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.brand__mark {
  display: grid;
  min-width: 58px;
  min-height: 34px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 6px;
  font-size: 13px;
}

.brand__text {
  font-size: 13px;
  letter-spacing: 0.08em;
}

.nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header.is-scrolled .nav {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: inherit;
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.18);
}

.site-header.is-scrolled .nav a:hover {
  background: rgba(255, 255, 255, 0.16);
}

.header-call {
  justify-self: end;
  padding: 10px 15px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(10, 11, 14, 0.88), rgba(10, 11, 14, 0.58) 44%, rgba(10, 11, 14, 0.16) 74%),
    var(--hero-image, url("assets/manipulator-hero.png")) center / cover no-repeat;
}

.hero__shade {
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  height: 34%;
  background: linear-gradient(180deg, rgba(247, 246, 241, 0), var(--bg));
  pointer-events: none;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, rgba(242, 140, 40, 0.15) 0 2px, transparent 2px 28px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 34%);
  mix-blend-mode: screen;
  opacity: 0.65;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 130px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 78px;
  line-height: 0.95;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 21px;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero__chips span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 13px;
  font-weight: 850;
  backdrop-filter: blur(14px);
}

.hero__chips span:nth-child(1) {
  border-color: rgba(242, 140, 40, 0.68);
  color: #ffc07a;
}

.hero__chips span:nth-child(2) {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.button--primary {
  background: linear-gradient(135deg, var(--orange), #ff7a18);
  color: #fff;
  box-shadow: 0 18px 44px rgba(242, 140, 40, 0.32);
}

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

.button--ghost {
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin: 54px 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
}

.hero__facts div {
  padding: 18px;
  background: rgba(14, 18, 18, 0.22);
}

.hero__facts dt {
  margin: 0 0 4px;
  font-size: 25px;
  font-weight: 850;
}

.hero__facts dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.trust {
  padding: 28px 0 18px;
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.trust__item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.trust__item::after,
.service-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), #fff, var(--graphite-soft));
}

.trust__item span {
  color: var(--orange);
  font-weight: 850;
}

.trust__item p {
  margin: 0;
  font-weight: 700;
}

.section {
  padding: 92px 0;
}

.section__head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section__head h2,
.fleet__copy h2,
.cta h2 {
  margin: 0;
  font-size: 52px;
  line-height: 1.03;
  letter-spacing: 0;
}

.section__head p:not(.eyebrow),
.fleet__copy p,
.cta p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  position: relative;
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(31, 37, 36, 0.03);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(242, 140, 40, 0.35);
  box-shadow: var(--shadow);
}

.service-card__icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 7px;
  background: rgba(242, 140, 40, 0.12);
  color: var(--orange);
}

.service-card__icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.fleet {
  padding: 84px 0;
  background:
    linear-gradient(135deg, rgba(242, 140, 40, 0.11) 0 24%, transparent 24% 100%),
    repeating-linear-gradient(120deg, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 22px),
    var(--graphite);
  color: #fff;
}

.fleet__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
  gap: 42px;
  align-items: center;
}

.fleet__copy p {
  color: rgba(255, 255, 255, 0.72);
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.specs div {
  position: relative;
  min-height: 138px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.specs div::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), #fff, var(--graphite-soft));
}

.specs span {
  display: block;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.specs strong {
  font-size: 24px;
  line-height: 1.15;
}

.energy {
  background:
    repeating-linear-gradient(100deg, rgba(242, 140, 40, 0.08) 0 2px, transparent 2px 26px),
    linear-gradient(120deg, rgba(255, 255, 255, 0.92), rgba(243, 244, 245, 0.9)),
    linear-gradient(135deg, rgba(242, 140, 40, 0.12), transparent 45%);
}

.energy__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: 40px;
  align-items: start;
}

.energy__panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.energy__panel h3 {
  margin: 0 0 18px;
  font-size: 24px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: var(--steel);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.48em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, transparent 48%, #fff 49% 55%, transparent 56%),
    var(--orange);
}

.process {
  padding: 92px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  position: relative;
  padding: 28px;
  border-top: 3px solid var(--orange);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(31, 37, 36, 0.04);
  overflow: hidden;
}

.step::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 46px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange), var(--graphite-soft));
  opacity: 0.72;
}

.step span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 30px;
  border-radius: 50%;
  background: #202827;
  color: #fff;
  font-weight: 850;
}

.step h3 {
  margin: 0 0 10px;
  font-size: 24px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.cta {
  padding: 90px 0;
  background: #fff;
}

.cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 0.6fr);
  gap: 42px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--steel);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input {
  height: 48px;
  padding: 0 14px;
}

.contact-form textarea {
  min-height: 108px;
  resize: vertical;
  padding: 12px 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(233, 111, 39, 0.14);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.contact-form.is-sent .form-note {
  color: var(--orange);
  font-weight: 800;
}

.footer {
  padding: 26px 0;
  background: var(--graphite);
  color: rgba(255, 255, 255, 0.78);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.footer p {
  margin: 0;
}

.footer a {
  color: #fff;
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}

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

@media (min-width: 1440px) {
  :root {
    --container: min(1180px, calc(100% - 56px));
  }

  .hero {
    min-height: 820px;
  }

  .hero h1 {
    font-size: 86px;
  }
}

@media (max-width: 1180px) {
  .hero h1 {
    font-size: 68px;
  }

  .section__head h2,
  .fleet__copy h2,
  .cta h2 {
    font-size: 46px;
  }
}

@media (max-width: 1024px) {
  .site-header {
    gap: 18px;
  }

  .nav a {
    padding-inline: 11px;
  }

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

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
    min-height: 68px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 84svh;
    background-position: 58% center;
  }

  .hero__content {
    padding-top: 112px;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero__lead {
    font-size: 18px;
  }

  .trust__grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .fleet__inner,
  .energy__grid,
  .cta__inner {
    grid-template-columns: 1fr;
  }

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

  .section__head h2,
  .fleet__copy h2,
  .cta h2 {
    font-size: 40px;
  }
}

@media (max-width: 620px) {
  :root {
    --container: min(100% - 28px, 1120px);
  }

  .site-header {
    padding-inline: 14px;
  }

  .brand__text {
    display: none;
  }

  .header-call {
    max-width: 176px;
    padding: 9px 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    min-height: 82svh;
    background:
      linear-gradient(180deg, rgba(15, 20, 20, 0.84), rgba(15, 20, 20, 0.54) 54%, rgba(15, 20, 20, 0.3)),
      var(--hero-image, url("assets/manipulator-hero.png")) 64% center / cover no-repeat;
  }

  .hero__content {
    padding: 96px 0 40px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero__lead {
    font-size: 16px;
  }

  .specs {
    grid-template-columns: 1fr;
  }

  .hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 26px;
  }

  .hero__facts div {
    padding: 12px 9px;
  }

  .hero__facts dt {
    font-size: 20px;
    line-height: 1.1;
  }

  .hero__facts dd {
    font-size: 11px;
    line-height: 1.3;
  }

  .section,
  .process,
  .cta,
  .fleet {
    padding: 64px 0;
  }

  .section__head h2,
  .fleet__copy h2,
  .cta h2 {
    font-size: 34px;
  }

  .service-card,
  .step,
  .energy__panel,
  .contact-form {
    padding: 20px;
  }

  .footer__inner {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .hero h1 {
    font-size: 36px;
    line-height: 1;
  }

  .hero__actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 50px;
  }

  .hero__chips span {
    min-height: 30px;
    padding: 6px 10px;
    font-size: 12px;
  }

  .hero__facts {
    grid-template-columns: 1fr;
  }

  .hero__facts div {
    padding: 11px 14px;
  }

  .section__head h2,
  .fleet__copy h2,
  .cta h2 {
    font-size: 30px;
  }

  .service-card h3,
  .step h3 {
    font-size: 21px;
  }
}

@media (max-width: 360px) {
  .header-call {
    max-width: 142px;
    font-size: 12px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero__lead {
    font-size: 15px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

}