* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: #18181b;
  background: #ffffff;
  line-height: 1.6;
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #ececec;
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border: 1px solid #e7e7e7;
  border-radius: 18px;
  padding: 8px;
  background: #fff;
}

.brand-title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 13px;
  color: #71717a;
}

.menu {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.menu a {
  color: #52525b;
  font-weight: 500;
  transition: 0.2s ease;
}

.menu a:hover {
  color: #111827;
}

.hero {
  padding: 70px 0 50px;
  background:
    radial-gradient(circle at top right, rgba(0,0,0,0.04), transparent 28%),
    radial-gradient(circle at left, rgba(0,0,0,0.03), transparent 25%),
    #fafafa;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
  color: #52525b;
  font-size: 14px;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: 18px;
  color: #52525b;
  max-width: 680px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 18px;
  font-weight: 600;
  transition: 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #111827;
  color: #fff;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.16);
}

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

.btn-secondary {
  background: #fff;
  color: #111827;
  border: 1px solid #e5e7eb;
}

.btn-full {
  width: 100%;
}

.hero-facts {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.fact {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  padding: 16px;
  color: #52525b;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.hero-image img {
  border-radius: 34px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.12);
}

.section {
  padding: 90px 0;
}

.section-alt {
  background: #fafafa;
  border-top: 1px solid #f0f0f0;
  border-bottom: 1px solid #f0f0f0;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-label {
  display: inline-block;
  margin-bottom: 12px;
  color: #71717a;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
}

.section-head h2,
.split-text h2,
.contact-info h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-head p,
.split-text p,
.contact-info p {
  color: #52525b;
  font-size: 18px;
}

.cards {
  display: grid;
  gap: 22px;
}

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

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

.card {
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
  transition: 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(0,0,0,0.07);
}

.card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.card p {
  margin: 0;
  color: #52525b;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
  align-items: start;
}

.check-list {
  padding-left: 20px;
}

.check-list li {
  margin-bottom: 10px;
  font-size: 17px;
}

.split-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.split-gallery img:first-child {
  grid-column: 1 / -1;
  height: 290px;
}

.split-gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.step span {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 14px;
  background: #111827;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step p {
  margin: 4px 0 0;
  color: #3f3f46;
}

.info-box {
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 28px;
  padding: 26px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
  margin-bottom: 18px;
}

.info-box h3 {
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 24px;
}

.info-box ul {
  padding-left: 20px;
  margin: 0;
}

.info-box li {
  margin-bottom: 10px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 36px;
  align-items: start;
}

.contact-card {
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 24px;
  padding: 20px 22px;
  margin-top: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.contact-card a {
  display: block;
  margin-top: 8px;
  color: #111827;
  font-weight: 600;
}

.contact-form {
  background: #fff;
  border: 1px solid #e7e7e7;
  border-radius: 32px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.06);
}

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

input,
textarea {
  width: 100%;
  margin-bottom: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 15px 16px;
  font: inherit;
  background: #fff;
  color: #111827;
  outline: none;
  transition: 0.2s ease;
}

input:focus,
textarea:focus {
  border-color: #9ca3af;
  box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.06);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.form-note {
  margin: 14px 0 0;
  color: #71717a;
  font-size: 14px;
}

.alert {
  padding: 14px 16px;
  border-radius: 16px;
  margin-bottom: 16px;
  font-weight: 500;
}

.alert.success {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.footer {
  padding: 28px 0;
  border-top: 1px solid #ececec;
  background: #fff;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 {
  transition-delay: 0.12s;
}

.delay-2 {
  transition-delay: 0.24s;
}

.delay-3 {
  transition-delay: 0.36s;
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .contact-grid,
  .cards-4,
  .cards-3 {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    grid-template-columns: 1fr 1fr;
  }

  .menu {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .section {
    padding: 70px 0;
  }

  .hero {
    padding-top: 40px;
  }

  .form-row,
  .split-gallery {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .split-gallery img:first-child {
    height: 220px;
  }

  .split-gallery img {
    height: 220px;
  }

  .contact-form {
    padding: 20px;
  }
}