:root {
  --bg: #0b0b0c;
  --bg-elevated: #141416;
  --bg-soft: #1a1a1d;
  --surface: #222226;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --red: #e10600;
  --red-hover: #ff1a14;
  --line: rgba(255, 255, 255, 0.1);
  --font-display: "Geologica", "Manrope", sans-serif;
  --font-body: "Manrope", sans-serif;
  --container: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--red);
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

.btn--accent {
  background: var(--red);
  color: #fff;
}

.btn--accent:hover {
  background: var(--red-hover);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn--ghost:hover {
  border-color: #fff;
}

.btn--block {
  width: 100%;
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11, 11, 12, 0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.header.is-scrolled {
  background: rgba(11, 11, 12, 0.92);
  border-bottom-color: var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.logo__img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.15rem;
}

.section-lead {
  margin: 0.85rem 0 0;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav a:hover {
  color: #fff;
}

.header__phone {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: #fff;
  transition: color 0.2s;
}

.header__phone:hover {
  color: var(--red);
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: #fff;
  transition: transform 0.25s, opacity 0.25s;
}

.burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.is-open span:nth-child(2) {
  opacity: 0;
}

.burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero__slider,
.hero__slide,
.hero__veil {
  position: absolute;
  inset: 0;
}

.hero__slider {
  z-index: -2;
}

.hero__slide {
  background-position: center;
  background-size: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.1s var(--ease), transform 6s linear;
}

.hero__slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero__veil {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 8, 9, 0.92) 0%, rgba(8, 8, 9, 0.55) 48%, rgba(8, 8, 9, 0.25) 100%),
    linear-gradient(180deg, rgba(8, 8, 9, 0.35) 0%, rgba(8, 8, 9, 0.15) 40%, rgba(8, 8, 9, 0.85) 100%);
}

.hero__content {
  position: relative;
  padding: calc(var(--header-h) + 5rem) 0 6rem;
  animation: rise 0.9s var(--ease) both;
}

.hero__brand {
  width: min(200px, 48vw);
  height: auto;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.45));
}

.hero__title {
  margin: 0 0 0.85rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.hero__lead {
  margin: 0 0 1.75rem;
  max-width: 42ch;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  line-height: 1.55;
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero__dots {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  display: flex;
  gap: 0.55rem;
  transform: translateX(-50%);
}

.hero__dots button {
  width: 28px;
  height: 3px;
  padding: 0;
  border: 0;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.25s, width 0.25s;
}

.hero__dots button.is-active {
  width: 42px;
  background: var(--red);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Coverage */
.coverage {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0;
  background:
    radial-gradient(ellipse 70% 80% at 85% 20%, rgba(225, 6, 0, 0.12), transparent 55%),
    linear-gradient(180deg, #101012 0%, var(--bg) 100%);
  overflow: hidden;
}

.coverage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -12deg,
    transparent,
    transparent 48px,
    rgba(255, 255, 255, 0.015) 48px,
    rgba(255, 255, 255, 0.015) 49px
  );
  pointer-events: none;
}

.coverage__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: end;
}

.coverage__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.coverage__text {
  margin: 0;
  max-width: 38ch;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.coverage__types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.5rem;
}

.coverage__types li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--red);
}

.coverage__types li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 2px;
  background: var(--red);
  transform: translateY(-50%);
}

/* Services */
.services {
  padding: clamp(4rem, 9vw, 6.5rem) 0;
  border-top: 1px solid var(--line);
}

.services__list {
  display: grid;
  gap: 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.services__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}

.services__item:hover {
  background: linear-gradient(90deg, rgba(225, 6, 0, 0.06), transparent 60%);
}

.services__mark {
  width: 36px;
  height: 3px;
  margin-top: 0.7rem;
  background: var(--red);
}

.services__item h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.services__item p {
  margin: 0;
  max-width: 52ch;
  color: var(--text-muted);
}

/* About */
.about {
  padding: clamp(4rem, 8vw, 6rem) 0;
  border-top: 1px solid var(--line);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about__text {
  margin: 1rem 0 0;
  max-width: 54ch;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.about__facts {
  display: grid;
  gap: 0.85rem;
}

.about__facts li {
  display: grid;
  gap: 0.25rem;
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--red);
  background: linear-gradient(90deg, rgba(225, 6, 0, 0.08), transparent 70%);
}

.about__facts strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.about__facts span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Equipment */
.equipment {
  padding: clamp(4rem, 8vw, 6rem) 0;
  background: linear-gradient(180deg, #0e0e10 0%, var(--bg) 100%);
  border-top: 1px solid var(--line);
}

.equipment__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.equipment__item {
  padding: 1.35rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.25s var(--ease);
}

.equipment__item:hover {
  background: rgba(225, 6, 0, 0.06);
}

.equipment__item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.equipment__item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Process */
.process {
  padding: clamp(4rem, 8vw, 6rem) 0;
  border-top: 1px solid var(--line);
}

.process__list {
  display: grid;
  gap: 0;
  margin: 2rem 0 0;
  counter-reset: none;
}

.process__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.process__num {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1.2;
}

.process__list h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
}

.process__list p {
  margin: 0;
  max-width: 56ch;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* FAQ */
.faq {
  padding: clamp(4rem, 8vw, 6rem) 0;
  border-top: 1px solid var(--line);
}

.faq__list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.75rem;
  max-width: 760px;
}

.faq__item {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.15rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  float: right;
  color: var(--red);
  font-weight: 700;
}

.faq__item[open] summary::after {
  content: "−";
}

.faq__item p {
  margin: 0;
  padding: 0 1.15rem 1.15rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Contact */
.contact {
  position: relative;
  isolation: isolate;
  padding: clamp(4.5rem, 9vw, 7rem) 0;
  overflow: hidden;
}

.contact__bg,
.contact__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.contact__bg {
  background:
    url("../assets/img/hero-truck.jpg") center / cover no-repeat;
  transform: scale(1.04);
  filter: saturate(0.85) brightness(0.55);
}

.contact__overlay {
  background:
    linear-gradient(105deg, rgba(8, 8, 9, 0.92) 0%, rgba(8, 8, 9, 0.78) 45%, rgba(8, 8, 9, 0.7) 100%),
    linear-gradient(180deg, rgba(11, 11, 12, 0.35), rgba(11, 11, 12, 0.55));
}

.contact__inner {
  position: relative;
}

.contact__head {
  margin-bottom: 2rem;
  max-width: 540px;
}

.contact__body {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 1.5rem;
  align-items: stretch;
}

.contact__intro {
  margin: 0.85rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.contact__card {
  background: var(--red);
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.contact__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 0.2s;
}

.contact__row:last-child {
  border-bottom: 0;
}

.contact__row:hover {
  background: rgba(0, 0, 0, 0.12);
}

.contact__row-text {
  display: grid;
  gap: 0.15rem;
}

.contact__row-text small {
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.8;
}

.contact__icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
}

.contact__icon svg {
  width: 20px;
  height: 20px;
}

.contact__arrow {
  opacity: 0.75;
  font-size: 1rem;
}

.contact__row--social {
  cursor: default;
}

.contact__row--social:hover {
  background: transparent;
}

.contact__socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  grid-column: 1 / -1;
}

.contact__socials a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  transition: background 0.2s, border-color 0.2s;
}

.contact__socials a:hover {
  background: rgba(0, 0, 0, 0.2);
  border-color: #fff;
}

.contact__socials svg {
  width: 18px;
  height: 18px;
}

.contact__hint {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

.contact__form-wrap {
  background: rgba(20, 20, 22, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: clamp(1.35rem, 3vw, 1.85rem);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.contact__form-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

.contact__form-lead {
  margin: 0 0 1.15rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form__field {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.form__field span {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.form__field input,
.form__field textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  resize: vertical;
  transition: border-color 0.2s;
}

.form__field input::placeholder,
.form__field textarea::placeholder {
  color: #6b6b73;
}

.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: rgba(225, 6, 0, 0.65);
}

.form__note {
  margin: 0.85rem 0 0;
  font-size: 0.72rem;
  line-height: 1.4;
  color: #6b6b73;
}

.form__status {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: #7dffb0;
}

/* Footer */
.footer {
  background: #080809;
  border-top: 1px solid var(--line);
  padding-top: 3.5rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer__brand img {
  width: 120px;
  height: auto;
  margin-bottom: 1rem;
}

.footer__brand p {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer__reg {
  font-size: 0.8rem !important;
  color: #6b6b73 !important;
}

.footer__col {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.footer__col h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.footer__col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer__col a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding: 1.15rem 0;
}

.footer__bottom p {
  margin: 0;
  font-size: 0.8rem;
  color: #6b6b73;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* Responsive */
@media (max-width: 900px) {
  .burger {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: grid;
    gap: 0;
    padding: 1rem 1.25rem 1.25rem;
    background: rgba(11, 11, 12, 0.96);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .header__phone {
    margin-left: auto;
    font-size: 0.8rem;
  }

  .coverage__grid,
  .about__grid,
  .contact__body,
  .equipment__grid,
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .nav {
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }

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

  .header__inner .nav {
    justify-content: stretch;
  }

  .hero__content {
    padding-bottom: 5.5rem;
  }
}

@media (max-width: 1100px) and (min-width: 901px) {
  .nav {
    gap: 0.25rem 0.75rem;
  }

  .nav a {
    font-size: 0.82rem;
  }

  .header__phone {
    font-size: 0.8rem;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .header__phone {
    display: none;
  }

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

  .hero__actions {
    width: 100%;
  }

  .hero__actions .btn {
    flex: 1 1 auto;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .hero__slide {
    transform: none;
  }
}