:root {
  --red: #D1093A;
  --ink: #1F2329;
  --muted: #626A74;
  --paper: #FFFFFF;
  --soft: #F4F5F7;
  --line: rgba(31, 35, 41, 0.14);
  --max: 1180px;
  --sans: "IBM Plex Sans", Arial, sans-serif;
  --serif: "DM Serif Display", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 64px), var(--max));
  margin: 0 auto;
}

.site-header {
  background: var(--paper);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 22px 0;
}

.brand {
  font-family: var(--serif);
  font-size: 1.6rem;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1.6rem;
  font-size: 0.92rem;
}

nav a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

nav a:hover,
nav a:focus-visible {
  border-color: var(--red);
}

.section {
  padding: clamp(76px, 8.5vw, 120px) 0;
}

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

.section-soft {
  background: var(--soft);
}

.kicker {
  margin: 0 0 1rem;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 980px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.6rem, 6.4vw, 6rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

h2,
h3 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 600;
  line-height: 1.22;
}

h2 {
  font-size: clamp(1.55rem, 2.2vw, 2.05rem);
}

h3 {
  margin-top: 2.8rem;
  font-size: 1.1rem;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(44px, 7vw, 96px);
}

.offer-grid article {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.offer-grid p,
.experience p,
.closing p {
  max-width: 880px;
  margin: 1.2rem 0 0;
}

.audio-example h2 {
  max-width: 860px;
}

.audio-player {
  max-width: 760px;
  margin-top: 1.8rem;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--soft);
}

audio {
  display: block;
  width: 100%;
}

.audio-caption {
  margin-top: 0.85rem !important;
  color: var(--muted);
  font-size: 0.9rem;
}

.experience .shell {
  max-width: var(--max);
}

.testimonial blockquote {
  max-width: 900px;
  margin: 0;
}

.testimonial blockquote p {
  margin: 0;
  font-size: clamp(1.08rem, 1.45vw, 1.28rem);
  line-height: 1.5;
}

.testimonial cite {
  display: block;
  margin-top: 1.5rem;
  color: var(--muted);
  font-style: normal;
  font-size: 0.9rem;
}

.closing p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.4vw, 3.1rem);
  line-height: 1.16;
}

.contact {
  border-top: 1px solid var(--line);
}

.contact p {
  margin: 1rem 0 0;
}

.mail-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  margin-top: 1.45rem;
  padding: 0.75rem 1.25rem;
  border: 1.5px solid var(--red);
  border-radius: 999px;
  color: var(--red);
  font-weight: 600;
  text-decoration: none;
}

.mail-link:hover,
.mail-link:focus-visible {
  color: #FFFFFF;
  background: var(--red);
}

footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 28px 0 36px;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 850px) {
  .offer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 17px;
  }

  .shell {
    width: calc(100% - 40px);
  }

  .header-inner {
    display: block;
    padding: 18px 0;
  }

  nav {
    margin-top: 10px;
    gap: 1rem;
    font-size: 0.86rem;
  }

  .section {
    padding: 64px 0;
  }

  h1 {
    font-size: clamp(3rem, 13vw, 4.4rem);
  }

  .audio-player {
    padding: 14px;
    border-radius: 14px;
  }

  .footer-inner {
    display: block;
  }

  .footer-inner a {
    display: inline-block;
    margin-top: 8px;
  }
}

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