.sms-proof-main {
  --sms-line: color-mix(in srgb, var(--tb-teal) 28%, var(--tb-border));
}

.sms-proof-hero {
  padding: clamp(56px, 9vw, 104px) 0 clamp(48px, 7vw, 80px);
}

.sms-proof-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: end;
}

.sms-proof-hero h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--tb-slate);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  text-wrap: balance;
}

.sms-proof-lede {
  max-width: 59ch;
  margin: 24px 0 0;
  color: var(--tb-secondary-text);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.6;
}

.sms-proof-note {
  padding: 24px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--tb-sky) 14%, var(--tb-surface));
  box-shadow: 0 14px 36px rgba(38, 50, 56, 0.1);
}

.sms-proof-note strong {
  display: block;
  color: var(--tb-slate);
  font-family: var(--font-display);
  font-size: var(--text-base);
}

.sms-proof-note p {
  margin: 8px 0 0;
  color: var(--tb-secondary-text);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.sms-proof-sequence,
.sms-proof-details {
  padding: clamp(60px, 9vw, 110px) 0;
}

.sms-proof-sequence {
  background: color-mix(in srgb, var(--tb-surface) 72%, transparent);
}

.sms-proof-section-heading {
  max-width: 64ch;
  margin-bottom: clamp(46px, 7vw, 84px);
}

.sms-proof-section-heading h2,
.sms-proof-disclosure h2 {
  margin: 0;
  color: var(--tb-slate);
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-wrap: balance;
}

.sms-proof-section-heading p,
.sms-proof-disclosure-grid > div > p {
  margin: 14px 0 0;
  color: var(--tb-secondary-text);
  font-size: var(--text-md);
  line-height: 1.6;
}

.sms-proof-step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: clamp(44px, 8vw, 104px);
  align-items: center;
  padding: clamp(52px, 8vw, 96px) 0;
  border-top: 1px solid var(--sms-line);
}

.sms-proof-step--reverse .sms-proof-copy {
  order: 2;
}

.sms-proof-step--reverse .sms-proof-shot {
  order: 1;
}

.sms-proof-step-number {
  margin: 0 0 12px;
  color: var(--tb-label);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
}

.sms-proof-copy h3 {
  max-width: 18ch;
  margin: 0;
  color: var(--tb-slate);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.3vw, 2.45rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}

.sms-proof-copy > p:not(.sms-proof-step-number) {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--tb-secondary-text);
  font-size: var(--text-md);
  line-height: 1.65;
}

.sms-proof-copy ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.sms-proof-copy li {
  position: relative;
  padding-left: 24px;
  color: var(--tb-secondary-text);
  line-height: 1.55;
}

.sms-proof-copy li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--tb-teal);
  content: "";
}

.sms-proof-shot {
  width: min(100%, 410px);
  margin: 0 auto;
}

.sms-proof-shot-window {
  max-height: 720px;
  overflow: hidden;
  border-radius: 38px;
  background: var(--tb-cream);
  box-shadow: 0 22px 58px rgba(38, 50, 56, 0.18);
}

.sms-proof-shot-window img {
  display: block;
  width: 100%;
  height: auto;
}

.sms-proof-shot-window--disclosure {
  max-height: 760px;
}

.sms-proof-shot-window--disclosure img {
  transform: translateY(-56px);
}

.sms-proof-shot-window--verification {
  max-height: 660px;
}

.sms-proof-shot-window--verification img {
  transform: translateY(-190px);
}

.sms-proof-shot figcaption {
  margin: 14px auto 0;
  color: var(--tb-muted-text);
  font-size: var(--text-xs);
  line-height: 1.5;
  text-align: center;
}

.sms-proof-disclosure {
  padding: clamp(64px, 9vw, 110px) 0;
  background: var(--band);
}

.sms-proof-disclosure-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(36px, 7vw, 84px);
  align-items: start;
}

.sms-proof-disclosure blockquote {
  margin: 0;
  padding: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.7vw, 1.8rem);
  font-weight: 500;
  line-height: 1.5;
}

.sms-proof-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--sms-line);
}

.sms-proof-facts > div {
  display: grid;
  grid-template-columns: minmax(92px, 0.35fr) minmax(0, 1fr);
  gap: 18px;
  padding: 22px 18px 22px 0;
  border-bottom: 1px solid var(--sms-line);
}

.sms-proof-facts > div:nth-child(odd) {
  margin-right: 24px;
}

.sms-proof-facts dt {
  color: var(--tb-slate);
  font-weight: 700;
}

.sms-proof-facts dd {
  margin: 0;
  color: var(--tb-secondary-text);
  line-height: 1.55;
}

.sms-proof-facts a,
.sms-proof-legal-links a {
  color: var(--tb-teal);
  text-underline-offset: 0.2em;
}

.sms-proof-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 30px;
}

.sms-proof-legal-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 700;
}

@media (max-width: 820px) {
  .sms-proof-hero-grid,
  .sms-proof-step,
  .sms-proof-disclosure-grid {
    grid-template-columns: 1fr;
  }

  .sms-proof-step--reverse .sms-proof-copy,
  .sms-proof-step--reverse .sms-proof-shot {
    order: initial;
  }

  .sms-proof-shot {
    width: min(82vw, 390px);
  }

  .sms-proof-facts {
    grid-template-columns: 1fr;
  }

  .sms-proof-facts > div:nth-child(odd) {
    margin-right: 0;
  }
}

@media (max-width: 520px) {
  .sms-proof-hero {
    padding-top: 42px;
  }

  .sms-proof-hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .sms-proof-step {
    padding: 48px 0;
  }

  .sms-proof-shot {
    width: 100%;
  }

  .sms-proof-shot-window {
    border-radius: 28px;
  }

  .sms-proof-facts > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}