:root {
  --color-bg: #0F1115;
  --color-bg-2: #181C24;
  --color-surface: #20252F;
  --color-accent: #FF5A1F;
  --color-accent-2: #FFC145;
  --color-text: #F5F7FA;
  --color-text-2: #A5AFBD;
  --color-border: rgba(255, 255, 255, 0.08);
  --radius: 20px;
  --radius-lg: 24px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.18);
  --transition: 0.28s ease;
  --container: 1240px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

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

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(255, 90, 31, 0.25);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button:hover {
  background: #ff6a35;
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(255, 90, 31, 0.35);
}

.button--secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.button--secondary:hover {
  background: #282f3c;
  color: var(--color-text);
}

.button--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--color-text);
  box-shadow: none;
}

.button--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(255, 90, 31, 0.06);
}

.section {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.section__label::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.section__title {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.section__lead {
  color: var(--color-text-2);
  font-size: 18px;
  line-height: 1.7;
  max-width: 720px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 90, 31, 0.35);
  box-shadow: var(--shadow);
}

.card--glass {
  background: rgba(32, 37, 47, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(255, 90, 31, 0.1);
  border: 1px solid rgba(255, 90, 31, 0.2);
  border-radius: 16px;
  color: var(--color-accent);
}

.card__title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.card__text {
  color: var(--color-text-2);
  font-size: 15px;
  line-height: 1.65;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.header__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: 12px;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
  background: rgba(255, 90, 31, 0.1);
  box-shadow: 0 0 0 1px rgba(255, 90, 31, 0.25);
}

.header__contacts {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  color: var(--color-text-2);
}

.header__contacts a {
  color: var(--color-text);
  font-weight: 600;
}

.header__burger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
}

.burger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: background var(--transition);
}

.burger__line::before,
.burger__line::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), top var(--transition);
}

.burger__line::before {
  top: -7px;
}

.burger__line::after {
  top: 7px;
}

.header--open .burger__line {
  background: transparent;
}

.header--open .burger__line::before {
  top: 0;
  transform: rotate(45deg);
}

.header--open .burger__line::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  padding: 32px 24px;
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  overflow-y: auto;
}

.header--open .mobile-menu {
  display: block;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.mobile-menu__link {
  display: block;
  padding: 14px 16px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.mobile-menu__contacts {
  font-size: 15px;
  color: var(--color-text-2);
}

.mobile-menu__contacts span,
.mobile-menu__contacts a {
  display: block;
  margin-bottom: 10px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(15, 17, 21, 0.92) 0%, rgba(15, 17, 21, 0.55) 55%, rgba(15, 17, 21, 0.25) 100%);
  z-index: -1;
}

.hero__content {
  max-width: 760px;
  padding-top: 120px;
  padding-bottom: 120px;
}

.hero__title {
  font-size: clamp(40px, 6.5vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 620px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Backgrounds & decor */
.section--bg-2 {
  background: var(--color-bg-2);
}

.section--gradient::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255, 90, 31, 0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255, 193, 69, 0.08), transparent 40%);
  pointer-events: none;
}

.decor {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
}

.decor--accent {
  width: 400px;
  height: 400px;
  background: rgba(255, 90, 31, 0.16);
  top: -120px;
  right: -120px;
}

.decor--accent-2 {
  width: 300px;
  height: 300px;
  background: rgba(255, 193, 69, 0.12);
  bottom: -80px;
  left: -80px;
}

/* Grids */
.grid {
  display: grid;
  gap: 24px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

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

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

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.split--reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.split__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.split__content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.lead {
  color: var(--color-text-2);
  font-size: 17px;
  line-height: 1.7;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.list__item {
  position: relative;
  padding-left: 32px;
  color: var(--color-text-2);
}

.list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 18px;
  height: 18px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23FF5A1F" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') no-repeat center / contain;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat {
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.stat__value {
  font-size: 44px;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat__label {
  font-size: 14px;
  color: var(--color-text-2);
}

/* Service cards */
.service-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-card__image {
  height: 220px;
  overflow: hidden;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.service-card:hover .service-card__image img {
  transform: scale(1.05);
}

.service-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card__text {
  color: var(--color-text-2);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 18px;
  flex: 1;
}

.service-card__price {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-accent-2);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 32px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 40px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
}

.step__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  margin-top: 20px;
}

.step__text {
  color: var(--color-text-2);
  font-size: 15px;
  line-height: 1.6;
}

/* Team */
.team {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.member {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: transform var(--transition);
}

.member:hover {
  transform: translateY(-5px);
}

.member__photo {
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member__info {
  padding: 24px;
}

.member__name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.member__role {
  font-size: 14px;
  color: var(--color-accent);
}

/* Values */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.value__text {
  color: var(--color-text-2);
  font-size: 15px;
  line-height: 1.6;
}

/* Forms */
.form {
  display: grid;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-2);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: 15px 18px;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(165, 175, 189, 0.6);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
  border-color: rgba(255, 90, 31, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.12);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__error {
  display: none;
  font-size: 13px;
  color: #ff6b6b;
}

.form__group--invalid .form__error {
  display: block;
}

.form__group--invalid .form__input,
.form__group--invalid .form__textarea,
.form__group--invalid .form__select {
  border-color: #ff6b6b;
}

.form__success {
  display: none;
  padding: 18px;
  background: rgba(40, 167, 69, 0.12);
  border: 1px solid rgba(40, 167, 69, 0.3);
  border-radius: 14px;
  color: #75e6a3;
}

.form__success--visible {
  display: block;
}

/* Contact */
.contact-block {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.contact__list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.contact__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 90, 31, 0.1);
  border: 1px solid rgba(255, 90, 31, 0.2);
  border-radius: 12px;
  color: var(--color-accent);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact__label {
  font-size: 13px;
  color: var(--color-text-2);
}

.contact__value {
  font-size: 16px;
  font-weight: 600;
}

.contact__value a:hover {
  color: var(--color-accent);
}

/* Legal */
.legal {
  max-width: 920px;
}

.legal__title {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: 16px;
}

.legal__intro {
  color: var(--color-text-2);
  margin-bottom: 40px;
}

.legal__section {
  margin-bottom: 36px;
}

.legal__heading {
  font-size: 22px;
  margin-bottom: 14px;
  color: var(--color-text);
}

.legal__text {
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: 14px;
}

.legal__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 22px;
  list-style: disc;
  color: var(--color-text-2);
  margin-bottom: 14px;
}

.legal__list li::marker {
  color: var(--color-accent);
}

/* Footer */
.footer {
  padding: 80px 0 30px;
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
}

.footer__logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.footer__about {
  color: var(--color-text-2);
  font-size: 14px;
  line-height: 1.7;
}

.footer__menu-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer__menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  color: var(--color-text-2);
  font-size: 15px;
  transition: color var(--transition), transform var(--transition);
}

.footer__link:hover {
  color: var(--color-text);
  transform: translateX(4px);
}

.footer__contact {
  color: var(--color-text-2);
  font-size: 15px;
  margin-bottom: 10px;
}

.footer__contact a {
  color: var(--color-text);
}

.footer__contact a:hover {
  color: var(--color-accent);
}

.footer__reg {
  font-size: 13px;
  color: var(--color-text-2);
  line-height: 1.7;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-2);
}

/* Responsive */
@media (max-width: 1024px) {

  .grid--4,
  .team,
  .stats,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .split--reverse {
    grid-template-columns: 1fr;
  }

  .contact-block {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .header__nav,
  .header__contacts {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .team,
  .stats,
  .steps,
  .values,
  .contact-block,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-menu__contacts a {
    display: inline;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}