:root {
  --black: #000;
  --white: #fff;
}

* {
  box-sizing: border-box;
  border-radius: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Raleway", sans-serif;
  font-weight: 400;
  background: var(--white);
  color: var(--black);
}

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

h1,
h2,
h3 {
  margin: 0 0 1rem;
  font-weight: 600;
}

p {
  margin: 0;
}

.section {
  width: 100%;
}

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

.half {
  padding: 64px 24px;
}

.half-dark {
  background: var(--black);
  color: var(--white);
}

.half-light {
  background: var(--white);
  color: var(--black);
}

.half-dark a {
  color: var(--white);
}

.half-light a {
  color: var(--black);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  padding: 12px 22px;
  font-weight: 600;
  transition: background 0.3s ease, color 0.3s ease;
}

.btn-light {
  background: var(--white);
  color: var(--black);
}

.btn-light:hover {
  background: var(--black);
  color: var(--white);
}

.btn-dark {
  background: var(--black);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--white);
  color: var(--black);
}

.btn-invert {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-invert:hover {
  background: var(--white);
  color: var(--black);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
}

.nav-split {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "logo menu"
    "phone cta";
  align-items: center;
  min-height: 72px;
  border-bottom: 1px solid var(--black);
  background: linear-gradient(90deg, var(--black) 50%, var(--white) 50%);
  padding: 10px 14px;
  gap: 10px;
}

.logo {
  grid-area: logo;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  min-width: 0;
}

.logo-mark {
  width: 18px;
  height: 18px;
  border: 1px solid var(--black);
  outline: 1px solid var(--white);
  background: linear-gradient(135deg, var(--white) 50%, var(--black) 50%);
  flex: 0 0 18px;
}

.logo-left {
  color: var(--white);
}

.logo-right {
  color: var(--black);
}

.nav-phone {
  grid-area: phone;
  font-weight: 600;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--black);
  padding: 13px 10px;
  line-height: 1;
  justify-self: start;
  font-size: 14px;
}

.btn-invert {
  grid-area: cta;
  padding: 9px 12px;
  font-size: 13px;
  letter-spacing: 0.02em;
  justify-self: end;
}

.menu-toggle {
  grid-area: menu;
  border: 1px solid var(--black);
  background: var(--white);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  padding: 8px;
  justify-self: end;
}

.menu-toggle span {
  height: 2px;
  background: var(--black);
  display: block;
}

.mobile-nav {
  display: none;
  padding: 12px 14px 16px;
  background: linear-gradient(90deg, var(--black) 50%, var(--white) 50%);
  border-bottom: 1px solid var(--black);
}

.mobile-nav.open {
  display: grid;
  gap: 8px;
}

.mobile-nav a:nth-child(odd) {
  color: var(--white);
}

.mobile-nav a:nth-child(even) {
  color: var(--black);
}

.hero {
  margin-top: 72px;
  min-height: calc(100vh - 72px);
}

.hero-left {
  display: grid;
  align-content: center;
  gap: 16px;
}

.hero-left h1 {
  font-size: clamp(34px, 5.5vw, 66px);
  line-height: 1.05;
}

.hero-left p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 680px;
}

.hero-right {
  position: relative;
  background-image: url("https://images.unsplash.com/photo-1497366216548-37526070297c?w=1600&q=80");
  background-size: cover;
  background-position: center;
  min-height: 56vh;
}

.hero-right::before,
.hero-right::after {
  content: "";
  position: absolute;
  inset: 0;
}

.hero-right::before {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.35) 50%, rgba(255, 255, 255, 0.08) 50%);
}

.hero-right::after {
  backdrop-filter: grayscale(100%) brightness(0.95);
}

.hero-facts {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 500px;
}

.hero-facts div {
  border: 1px solid var(--black);
  background: rgba(255, 255, 255, 0.9);
  padding: 14px;
}

.hero-facts strong {
  display: block;
  font-size: 38px;
  line-height: 1;
  font-weight: 600;
}

.trust-wide {
  background: var(--black);
  color: var(--white);
  padding: 26px 18px;
}

.trust-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.trust-grid article {
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-grid strong {
  display: block;
  font-size: 46px;
  line-height: 1;
  font-weight: 600;
}

.split-title {
  display: grid;
  grid-template-columns: 1fr 1fr;
  font-size: clamp(28px, 4.5vw, 52px);
}

.split-title .dark-part {
  background: var(--black);
  color: var(--white);
  padding: 26px 24px;
}

.split-title .light-part {
  background: var(--white);
  color: var(--black);
  padding: 26px 24px;
}

.center-title {
  padding: 24px;
  font-size: clamp(28px, 4.5vw, 52px);
}

.cards-grid {
  display: grid;
  gap: 0;
}

.flip-card {
  border: 1px solid var(--black);
  padding: 24px;
  transition: background 0.3s ease, color 0.3s ease;
}

.dark-card {
  background: var(--black);
  color: var(--white);
  border-color: var(--white);
}

.light-card {
  background: var(--white);
  color: var(--black);
}

.flip-card:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--black);
}

.light-card:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--white);
}


.timeline-half {
  display: grid;
  align-content: center;
}

.timeline-fast {
  display: grid;
  gap: 8px;
  align-items: center;
}

.timeline-step {
  border: 1.5px solid var(--black);
  padding: 12px;
  font-weight: 600;
}

.timeline-step span {
  display: block;
  font-weight: 400;
}

.timeline-arrow {
  text-align: center;
  font-size: 24px;
}

.cases-list {
  display: grid;
  gap: 0;
}

.case-left img {
  width: 100%;
  margin-top: 12px;
  filter: grayscale(100%);
}

.case-num {
  font-size: 52px;
  font-weight: 600;
}

.case-badge {
  display: inline-block;
  border: 1px solid currentColor;
  padding: 3px 10px;
  margin-bottom: 10px;
}

.case-right {
  display: grid;
  gap: 14px;
}

.case-right blockquote {
  margin: 0;
  font-weight: 600;
}

.pricing-grid ul {
  margin: 0 0 16px;
  padding-left: 18px;
}

.price-badge {
  border: 1px solid currentColor;
  padding: 2px 8px;
  display: inline-block;
  margin-bottom: 8px;
  font-size: 14px;
}

.faq-list {
  display: grid;
}

.faq-item {
  border-top: 1px solid var(--black);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 18px 20px;
  font: 600 20px "Raleway", sans-serif;
  cursor: pointer;
}

.faq-icon {
  font-size: 24px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
}

.faq-item.active .faq-answer {
  max-height: 220px;
  padding-bottom: 18px;
}

.form-left {
  display: grid;
  align-content: center;
  gap: 12px;
}

.form-left ul {
  margin: 0;
  padding-left: 18px;
}

.form-right {
  display: grid;
  align-content: center;
}

.lead-form {
  display: grid;
  gap: 12px;
}

.lead-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

.lead-form input,
.lead-form textarea {
  border: 1px solid var(--black);
  background: var(--white);
  color: var(--black);
  padding: 10px 12px;
  font: 400 16px "Raleway", sans-serif;
}

.form-note {
  font-size: 14px;
}

.form-note a {
  text-decoration: underline;
}

.form-thanks {
  font-weight: 600;
}

.contacts iframe {
  width: 100%;
  min-height: 260px;
  border: 1px solid var(--black);
}

.socials {
  margin-top: 10px;
  display: grid;
  gap: 6px;
}

.footer-main .half {
  padding-top: 36px;
  padding-bottom: 36px;
}

.footer-main .half-dark .logo-right {
  color: var(--white);
}

.footer-main .half-light .logo-left {
  color: var(--black);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-main .half-dark .logo-mark {
  border-color: var(--white);
  background: linear-gradient(135deg, var(--white) 50%, transparent 50%);
}

.footer-links {
  display: grid;
  align-content: center;
  gap: 8px;
}

.footer-bottom {
  background: var(--black);
  color: var(--white);
  padding: 14px 24px;
  text-align: center;
}

.floating-call {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 54px;
  height: 54px;
  border: 1px solid var(--black);
  background: var(--white);
  color: var(--black);
  display: grid;
  place-items: center;
  font-size: 24px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.floating-call.show {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.legal-page {
  max-width: 920px;
  margin: 100px auto 40px;
  padding: 0 20px;
}

.legal-inner {
  border: 1px solid var(--black);
  padding: 24px;
}

.legal-page h1 {
  font-size: clamp(30px, 4.5vw, 48px);
}

.legal-page h2 {
  margin-top: 18px;
}

.legal-page ul {
  margin: 0;
  padding-left: 18px;
}

.legal-back {
  display: inline-flex;
  margin-bottom: 16px;
  font-weight: 600;
}
.hero .half-dark a {
  color: var(--black);
}
.hero .half-dark a:hover {
  color: var(--white);
  border-color: var(--white);
}

@media (min-width: 768px) {
  .nav-split {
    grid-template-columns: 1fr auto auto auto;
    grid-template-areas: "logo phone cta menu";
    min-height: 72px;
    padding: 0 16px;
    gap: 12px;
  }

  .logo {
    font-size: 30px;
  }

  .nav-phone {
    font-size: 16px;
    padding: 14px 10px;
  }

  .hero .half-dark a {
    color: var(--black);
  }

  .btn-invert {
    padding: 12px 22px;
    font-size: 16px;
    letter-spacing: normal;
  }

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

  .half {
    padding: 74px 34px;
  }

  .menu-toggle,
  .mobile-nav {
    display: none;
  }

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

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

  .timeline-fast {
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  }

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

@media (min-width: 1280px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .hero-right {
    min-height: calc(100vh - 72px);
  }

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

@media (min-width: 1920px) {
  .half {
    padding: 90px 60px;
  }
}