*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --text: #1A1A1A;
  --text-mid: #333333;
  --text-light: #595959;
  --text-subtle: #6B6B6B;
  --terracotta: #C2694F;
  --rule: #E0DCD6;
  --bg: #FAFAF8;
  --bg-alt: #F4F1ED;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── LAYOUT ── */
.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── HEADER ── */
header {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
  margin-bottom: 0;
}

.header-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 32px;
}

.header-right {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0em;
}

/* ── HERO ── */
.hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--rule);
}

.hero-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 560px;
}

.hero-body {
  font-size: 17px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 32px;
}

.privacy-note {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light);
  margin-bottom: 32px;
  padding-left: 14px;
  border-left: 2px solid var(--terracotta);
  line-height: 1.7;
}

/* ── BUTTON ── */
.btn {
  display: inline-block;
  background: var(--terracotta);
  color: #fff;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  padding: 13px 28px;
  transition: opacity 0.15s ease;
}

.btn:hover { opacity: 0.88; }

/* ── SECTIONS ── */
.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--rule);
}

.section:last-of-type {
  border-bottom: none;
}

.section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 20px;
}

.section h2 {
  font-family: 'IBM Plex Serif', serif;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 400;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 20px;
}

.section p {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 560px;
}

.section p:last-child { margin-bottom: 0; }

.section p em {
  font-style: italic;
  color: var(--text);
  font-family: 'IBM Plex Serif', serif;
}

/* ── NUMBERED LIST ── */
.step-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}

.step-item:last-child {
  border-bottom: 1px solid var(--rule);
}

.step-num {
  font-size: 11px;
  font-weight: 400;
  color: var(--terracotta);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.step-text {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.7;
}

.step-note {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.75;
  margin-top: 24px;
  max-width: 540px;
}

/* ── WHO LIST ── */
.who-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
}

.who-item {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-mid);
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 12px;
}

.who-item:first-child { border-top: 1px solid var(--rule); }

.who-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--terracotta);
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── PRIVACY BLOCK ── */
.privacy-block {
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  padding: 36px 40px;
  margin-top: 28px;
}

.privacy-rows {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.privacy-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  align-items: baseline;
}

.privacy-key {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}

.privacy-val {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.65;
}

/* ── FORM FIELDS ── */
.field-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
}

.field-item {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-mid);
  padding: 14px 20px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 14px;
}

.field-item:last-child { border-bottom: none; }

.field-item .f-num {
  font-size: 10px;
  font-weight: 500;
  color: var(--terracotta);
  letter-spacing: 0.06em;
  min-width: 18px;
}

.field-item .optional {
  margin-left: auto;
  font-size: 10px;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── CTA SECTION ── */
.cta-section {
  padding: 64px 0 80px;
  border-top: 1px solid var(--rule);
}

.cta-intro {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 500px;
}

.cta-fields-label {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 500px;
}

.cta-diversity {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light);
  line-height: 1.7;
  margin-top: 20px;
  margin-bottom: 28px;
  max-width: 500px;
}

.cta-note {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-light);
  margin-top: 18px;
  line-height: 1.65;
  max-width: 400px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
  background: var(--bg-alt);
}

.footer-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light);
  line-height: 1.6;
}

.footer-left strong {
  font-weight: 500;
  color: var(--text);
  font-size: 13px;
}

footer a {
  color: var(--terracotta);
  text-decoration: none;
  font-size: 13px;
}

footer a:hover { text-decoration: underline; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .container,
  .header-inner,
  .footer-inner { padding: 0 20px; }
  .hero { padding: 56px 0 48px; }
  .section { padding: 44px 0; }
  .privacy-block { padding: 24px 20px; }
  .privacy-row { grid-template-columns: 1fr; gap: 4px; }
  .privacy-key { margin-bottom: 2px; }
  .cta-section { padding: 48px 0 64px; }
  .footer-inner { flex-direction: column; gap: 12px; align-items: flex-start; }
  .snapshot-key { min-width: 90px; }
}