:root {
  --ink: #101417;
  --ink-2: #1a2226;
  --paper: #f5f2ea;
  --paper-2: #ebe7dc;
  --white: #ffffff;
  --muted: #65706c;
  --line: rgba(16, 20, 23, 0.12);
  --line-dark: rgba(255, 255, 255, 0.14);
  --gold: #d7a83f;
  --gold-2: #f2d58a;
  --green: #28473f;
  --shadow: 0 22px 70px rgba(16, 20, 23, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

body::selection {
  background: rgba(215, 168, 63, 0.34);
}

a {
  color: inherit;
}

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

p {
  color: var(--muted);
}

.wrap {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 16px;
  left: 50%;
  display: grid;
  width: min(1160px, calc(100% - 32px));
  min-height: 64px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(16, 20, 23, 0.82);
  padding: 10px 12px;
  color: var(--white);
  box-shadow: 0 18px 50px rgba(16, 20, 23, 0.22);
  backdrop-filter: blur(18px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.logo strong {
  display: block;
  color: inherit;
  font-size: 15px;
  line-height: 1.1;
}

.logo span span {
  display: block;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  line-height: 1.35;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 4px;
}

.nav-links a {
  border-radius: 8px;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  text-decoration: none;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--white);
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 18px;
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  font-weight: 760;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  border-color: rgba(16, 20, 23, 0.24);
  transform: translateY(-1px);
}

.button.primary {
  border-color: rgba(215, 168, 63, 0.9);
  background: var(--gold);
  color: #171207;
}

.button.primary:hover {
  background: #e6ba55;
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
}

.header-button {
  min-height: 40px;
  padding-inline: 15px;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  padding: 136px 24px 74px;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(16, 20, 23, 0.98) 0%, rgba(16, 20, 23, 0.9) 31%, rgba(16, 20, 23, 0.28) 68%, rgba(16, 20, 23, 0.08) 100%),
    linear-gradient(180deg, rgba(16, 20, 23, 0.12), rgba(16, 20, 23, 0.46)),
    url("assets/email-blast-hero.png") center / cover;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  content: "";
  background: rgba(255, 255, 255, 0.16);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1160px, 100%);
  margin: 0 auto;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: uppercase;
}

.dark-text {
  color: #946914;
}

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(52px, 8vw, 104px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  color: inherit;
  font-size: 22px;
  line-height: 1.15;
}

.lead {
  max-width: 630px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 680px;
  margin-top: 44px;
}

.trust-row span {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  padding: 9px 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.intro-band {
  border-bottom: 1px solid var(--line);
  background: var(--white);
  padding: 54px 0;
}

.intro-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: start;
}

.intro-grid p:last-child,
.large-copy {
  margin: 0;
  color: var(--ink-2);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.45;
}

.section {
  padding: 104px 0;
}

.section.muted {
  border-block: 1px solid var(--line);
  background: var(--paper-2);
}

.section.dark {
  background: var(--ink);
  color: var(--white);
}

.section.dark p {
  color: rgba(255, 255, 255, 0.68);
}

.section-head {
  max-width: 820px;
  margin-bottom: 42px;
}

.cards {
  display: grid;
  gap: 14px;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  min-height: 276px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 30px;
  box-shadow: 0 1px 0 rgba(16, 20, 23, 0.04);
}

.card span {
  display: block;
  margin-bottom: 58px;
  color: #946914;
  font-size: 12px;
  font-weight: 840;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  margin: 0;
  line-height: 1.66;
}

.check-list,
.standards-grid {
  display: grid;
  gap: 10px;
}

.check-list div,
.standards-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 18px 20px;
  color: var(--ink-2);
  font-weight: 690;
}

.check-list div::before,
.standards-grid div::before {
  color: #946914;
  content: "/";
  margin-right: 10px;
  font-weight: 900;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.steps article {
  min-height: 248px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.steps article:last-child {
  border-right: 0;
}

.steps strong {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  background: var(--ink);
  color: var(--gold-2);
  font-size: 13px;
}

.steps h3 {
  margin: 44px 0 12px;
}

.steps p {
  margin: 0;
  line-height: 1.62;
}

.standards-grid div {
  border-color: var(--line-dark);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.86);
}

.standards-grid div::before {
  color: var(--gold-2);
}

.policy-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--gold-2);
  font-weight: 760;
  text-decoration: none;
}

.policy-link:hover {
  color: var(--white);
}

.cta-section {
  background: var(--green);
  padding: 94px 0;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: var(--paper);
  padding: clamp(28px, 5vw, 56px);
  box-shadow: var(--shadow);
}

.cta-panel h2 {
  margin-bottom: 18px;
}

.cta-panel p {
  max-width: 660px;
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.68;
}

.cta-actions {
  display: grid;
  gap: 12px;
  width: min(340px, 100%);
}

.cta-actions .button {
  width: 100%;
}

.dark-button {
  border-color: rgba(16, 20, 23, 0.8);
}

.site-footer {
  background: var(--ink);
  color: var(--white);
  padding: 52px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.35fr) repeat(3, minmax(0, 1fr));
  gap: 38px;
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.62);
}

.site-footer p {
  max-width: 360px;
  line-height: 1.68;
}

.site-footer strong {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.92);
}

.site-footer a {
  display: block;
  margin-top: 9px;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
}

.copyright {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
}

.page {
  min-height: 100vh;
  background: var(--paper);
  padding: 28px 0 72px;
}

.page .logo strong {
  color: var(--ink);
}

.page .logo span span {
  color: var(--muted);
}

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

.page-card {
  max-width: 880px;
  margin-top: 58px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  padding: clamp(28px, 5vw, 48px);
  box-shadow: var(--shadow);
}

.page-card h1 {
  margin-bottom: 30px;
  color: var(--ink);
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.04;
}

.page-card h2 {
  margin: 30px 0 8px;
  color: var(--ink);
  font-size: 22px;
}

.page-card p,
.page-card li {
  color: var(--muted);
  line-height: 1.74;
}

.page-card a {
  color: #946914;
  font-weight: 760;
}

.page-card .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.notice {
  margin-top: 30px;
  border: 1px solid rgba(215, 168, 63, 0.42);
  border-radius: 8px;
  background: #fff7df;
  padding: 18px 20px;
  color: #5d4817;
  line-height: 1.68;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    order: 3;
    grid-column: 1 / -1;
    justify-content: stretch;
    overflow-x: auto;
  }

  .nav-links a {
    flex: 1 0 auto;
    text-align: center;
  }

  .intro-grid,
  .split,
  .cta-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .steps article:nth-child(2) {
    border-right: 0;
  }

  .steps article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .cta-actions {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 32px, 1160px);
  }

  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    gap: 10px;
    padding: 9px;
  }

  .header-button {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 13px;
  }

  .nav-links {
    justify-content: flex-start;
    padding-bottom: 2px;
  }

  .nav-links a {
    flex: 0 0 auto;
    padding: 9px 10px;
  }

  .hero {
    min-height: auto;
    padding: 156px 16px 58px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(16, 20, 23, 0.98) 0%, rgba(16, 20, 23, 0.88) 54%, rgba(16, 20, 23, 0.54) 100%),
      url("assets/email-blast-hero.png") 68% center / cover;
  }

  h1 {
    font-size: clamp(46px, 15vw, 70px);
  }

  h2 {
    font-size: clamp(32px, 10vw, 46px);
  }

  .lead {
    font-size: 18px;
  }

  .button,
  .hero-actions .button {
    width: 100%;
    white-space: normal;
  }

  .section {
    padding: 72px 0;
  }

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

  .steps article,
  .steps article:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .steps article:last-child {
    border-bottom: 0;
  }

  .page-header {
    align-items: flex-start;
    flex-direction: column;
  }
}