:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #ffffff;
  --text: #111111;
  --muted: #5a5a5a;
  --line: #cfcfcf;
  --accent: #111111;
  --accent-dark: #000000;
  --max-width: 78rem;
  --radius: 1.25rem;
  --shadow: none;

  --space-2xs: clamp(0.5rem, 0.45rem + 0.2vw, 0.65rem);
  --space-xs: clamp(0.75rem, 0.7rem + 0.25vw, 1rem);
  --space-s: clamp(1rem, 0.9rem + 0.45vw, 1.35rem);
  --space-m: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
  --space-l: clamp(2rem, 1.6rem + 1.5vw, 3.5rem);
  --space-xl: clamp(3rem, 2.2rem + 3vw, 5.5rem);

  --step--1: clamp(0.95rem, 0.9rem + 0.2vw, 1rem);
  --step-0: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
  --step-1: clamp(1.2rem, 1.05rem + 0.8vw, 1.5rem);
  --step-2: clamp(1.5rem, 1.2rem + 1.4vw, 2.1rem);
  --step-3: clamp(2.1rem, 1.5rem + 2.5vw, 3.4rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

p,
ul,
dl {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 600;
}

h1 {
  font-size: var(--step-3);
  max-width: 14ch;
}

h2 {
  font-size: var(--step-2);
  max-width: 18ch;
}

h3 {
  font-size: var(--step-1);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-xl);
}

.section-soft {
  background: transparent;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  background: var(--surface);
  color: var(--text);
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar {
  display: grid;
  gap: var(--space-s);
  align-items: center;
  padding-block: 1rem;
}

.brand-kicker,
.eyebrow {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.hero {
  padding-top: clamp(3rem, 2rem + 4vw, 6rem);
}

.hero-grid,
.contact-grid,
.footer-grid {
  display: grid;
  gap: var(--space-l);
}

.hero-copy {
  display: grid;
  gap: var(--space-m);
  align-content: start;
}

.lead {
  max-width: 60ch;
  font-size: var(--step-1);
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--text);
  background: transparent;
  color: var(--text);
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  background: var(--text);
  color: #ffffff;
}

.button-primary,
.button-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text);
}

.info-card,
.step-card,
.price-card,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
}

.info-card,
.contact-card {
  padding: var(--space-m);
}

.info-card h2,
.contact-card h3 {
  margin-bottom: var(--space-m);
}

.facts {
  display: grid;
  gap: var(--space-s);
}

.fact {
  display: grid;
  gap: 0.3rem;
  padding-bottom: var(--space-s);
  border-bottom: 1px solid var(--line);
}

.fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.fact dt {
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.sep {
  color: var(--muted);
}

.feature-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.4rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--text);
}

.section-heading {
  display: grid;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
  max-width: 65ch;
}

.section-heading p:last-child {
  color: var(--muted);
}

.steps-grid,
.pricing-grid {
  display: grid;
  gap: var(--space-m);
}

.step-card,
.price-card {
  padding: var(--space-m);
}

.step-card {
  display: grid;
  gap: 0.9rem;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-weight: 600;
}

.price {
  margin-block: 0.5rem 0.9rem;
  font-size: var(--step-1);
}

.note {
  margin-top: var(--space-m);
  max-width: 70ch;
  color: var(--muted);
}

.contact-card {
  align-self: start;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.contact-list li {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-list span {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.site-footer {
  padding-block: var(--space-m);
  border-top: 1px solid var(--line);
}

.site-footer p {
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 48rem) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .hero-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.9fr);
    align-items: start;
  }

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

  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 72rem) {
  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-m);
  }
}

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

  .button {
    transition: none;
  }
}