:root {
  --blue: #007bff;
  --blue-dark: #0056b3;
  --text: #111111;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --surface: #f9fafb;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(17, 17, 17, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--blue), var(--blue-dark));
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.35);
}

.logo__text {
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.nav a:hover {
  color: var(--blue);
  text-decoration: none;
}

@media (max-width: 640px) {
  .nav {
    display: none;
  }
}

/* Hero */
.hero {
  padding: 56px 0 72px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__visual {
    order: -1;
    justify-self: center;
  }
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 0 28px;
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 42ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  cursor: default;
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
}

.btn--ghost:hover {
  border-color: var(--blue);
  text-decoration: none;
}

.hint {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Phone mock */
.phone {
  width: min(280px, 100%);
  aspect-ratio: 9 / 18;
  margin: 0 auto;
  padding: 12px;
  border-radius: 36px;
  background: linear-gradient(160deg, #1f2937, #111827);
  box-shadow: var(--shadow);
}

.phone__screen {
  height: 100%;
  border-radius: 28px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.mock-label {
  width: 100%;
  max-width: 200px;
  padding: 20px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.mock-label__title {
  font-size: 0.875rem;
  font-weight: 600;
}

.mock-barcode {
  width: 100%;
  height: 48px;
  background: repeating-linear-gradient(
    90deg,
    #111 0px,
    #111 3px,
    transparent 3px,
    transparent 5px
  );
  border-radius: 4px;
  opacity: 0.85;
}

.mock-label__meta {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 64px 0;
}

.section--alt {
  background: var(--surface);
}

.section__title {
  margin: 0 0 12px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.section__intro {
  margin: 0 0 40px;
  color: var(--text-muted);
  max-width: 52ch;
}

.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
}

.feature {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.section--alt .feature {
  background: var(--white);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
}

.feature p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.steps__list {
  margin: 0;
  padding-left: 24px;
  max-width: 52ch;
  color: var(--text-muted);
}

.steps__list li {
  margin-bottom: 12px;
}

.steps__list strong {
  color: var(--text);
}

.cta {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta__text {
  margin: 0;
  color: var(--text-muted);
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

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

.footer__links a:hover {
  color: var(--blue);
}