* {
  box-sizing: border-box;
}

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-500: #808080;
  --gray-700: #333333;
  --max-width: 1120px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Roboto", Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
}

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

.site-header {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: 92px;
  height: auto;
  display: block;
}

.brand-name {
  font-size: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.site-nav a:hover {
  color: var(--black);
}

.section {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 72px 0;
}

.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(2.7rem, 7vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.5rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 32px;
  font-size: 1.18rem;
  color: var(--gray-700);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--black);
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.button.primary {
  color: var(--white);
  background: var(--black);
}

.button.secondary {
  color: var(--black);
  background: var(--white);
}

.hero-card {
  min-height: 360px;
  padding: 48px;
  border-radius: 32px;
  background:
    linear-gradient(90deg, var(--black) 0 33.3%, var(--white) 33.3% 66.6%, var(--gray-500) 66.6% 100%);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.12);
  display: grid;
  place-items: center;
}

.hero-card img {
  width: min(100%, 300px);
  height: auto;
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.22));
}

.section-heading {
  max-width: 780px;
}

.text-panel {
  max-width: 850px;
  padding: 36px;
  border: 1px solid var(--gray-200);
  border-radius: 28px;
  background: var(--gray-100);
  font-size: 1.12rem;
}

.cards,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.price-card {
  min-height: 260px;
  padding: 32px;
  border-radius: 28px;
  border: 1px solid var(--gray-200);
}

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

.card.light,
.price-card {
  color: var(--black);
  background: var(--gray-100);
}

.card p,
.price-card p {
  color: inherit;
  opacity: 0.78;
}

.card-link {
  display: inline-block;
  margin-top: 20px;
  font-weight: 700;
  border-bottom: 2px solid currentColor;
}

.price-card span {
  display: inline-block;
  margin-top: 20px;
  font-weight: 700;
  color: var(--gray-700);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  padding: 32px;
  border-radius: 28px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
}

.contact-form label {
  display: block;
  margin: 0 0 8px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  font: inherit;
  background: var(--white);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.site-footer {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 36px 0 48px;
  border-top: 1px solid var(--gray-200);
  color: var(--gray-700);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 840px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
  }

  .hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .cards,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    min-height: 260px;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 52px 0;
  }

  .site-nav {
    font-size: 0.9rem;
  }

  .button {
    width: 100%;
  }

  .text-panel,
  .card,
  .price-card,
  .contact-form {
    padding: 24px;
  }
}