:root {
  --ink: #101718;
  --night: #071112;
  --deep: #102023;
  --teal: #2f756f;
  --mint: #a8d3c3;
  --paper: #f6f2ea;
  --cream: #fffaf1;
  --clay: #b76f4e;
  --line: rgba(255, 250, 241, 0.18);
  --shadow: 0 28px 80px rgba(7, 17, 18, 0.22);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(18px, 5vw, 64px);
  color: var(--cream);
  background: linear-gradient(180deg, rgba(7, 17, 18, 0.84), rgba(7, 17, 18, 0.18));
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 250, 241, 0.34);
  border-radius: 50%;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: clamp(0.92rem, 2.8vw, 1.04rem);
  letter-spacing: 0;
  white-space: nowrap;
}

.brand small {
  color: rgba(255, 250, 241, 0.74);
  font-size: 0.76rem;
}

.header-link {
  display: none;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 250, 241, 0.28);
  border-radius: 999px;
  color: var(--cream);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  padding: 94px clamp(18px, 5vw, 64px) 36px;
  color: var(--cream);
  overflow: hidden;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 17, 18, 0.93) 0%, rgba(7, 17, 18, 0.78) 44%, rgba(7, 17, 18, 0.22) 100%),
    linear-gradient(0deg, rgba(7, 17, 18, 0.72) 0%, rgba(7, 17, 18, 0.04) 54%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 830px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: #27615c;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero .eyebrow,
.traps-section .section-kicker {
  color: var(--mint);
}

h1,
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h1 {
  max-width: 930px;
  font-size: clamp(3rem, 6vw, 4rem);
}

h2 {
  color: var(--deep);
  font-size: clamp(2.1rem, 6.4vw, 4.15rem);
}

.hero-subline {
  max-width: 600px;
  margin: 20px 0 0;
  color: rgba(255, 250, 241, 0.86);
  font-size: clamp(1.08rem, 3.8vw, 1.42rem);
}

.cta-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 13px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button.primary {
  color: #071112;
  background: var(--mint);
  box-shadow: 0 16px 38px rgba(168, 211, 195, 0.28);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(168, 211, 195, 0.36);
}

.microcopy {
  color: rgba(255, 250, 241, 0.76);
  font-size: 0.96rem;
  font-weight: 700;
}

.expert-card {
  display: grid;
  gap: 6px;
  max-width: 760px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.expert-card span {
  color: var(--mint);
  font-weight: 800;
}

.expert-card strong {
  color: rgba(255, 250, 241, 0.78);
  font-size: 0.98rem;
  font-weight: 600;
}

.section-shell,
.quick-test-shell {
  width: min(1120px, calc(100% - 36px));
  margin-inline: auto;
}

.intro-section {
  padding: clamp(76px, 14vw, 150px) 0 clamp(58px, 10vw, 110px);
}

.editorial-copy {
  display: grid;
  gap: 22px;
  max-width: 840px;
  margin-top: 30px;
  color: rgba(16, 23, 24, 0.76);
  font-size: clamp(1.08rem, 2.8vw, 1.34rem);
}

.section-subline {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(16, 23, 24, 0.58);
  font-size: clamp(1.08rem, 2.8vw, 1.32rem);
  font-weight: 800;
}

.editorial-copy p,
.quick-test-copy p,
.section-heading p,
.accordion p,
.form-note,
.assurance,
.method-note {
  margin: 0;
}

.traps-section {
  padding: clamp(62px, 12vw, 120px) 0;
  color: var(--cream);
  background: var(--night);
}

.traps-section h2 {
  color: var(--cream);
}

.quick-test h2 {
  font-size: clamp(2rem, 4.8vw, 3.45rem);
  line-height: 1.04;
  max-width: 780px;
}

.section-heading {
  display: grid;
  gap: 22px;
  margin-bottom: 36px;
}

.section-heading p {
  max-width: 520px;
  color: rgba(255, 250, 241, 0.72);
  font-size: 1.05rem;
}

.accordion {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid rgba(255, 250, 241, 0.14);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.045);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}

summary {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr 22px;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 18px 18px;
  list-style: none;
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: var(--mint);
  font-size: 1.7rem;
  line-height: 1;
}

details[open] summary::after {
  content: "–";
}

summary span {
  color: var(--mint);
  font-weight: 800;
}

summary strong {
  color: var(--cream);
  font-size: clamp(1.02rem, 4.6vw, 1.35rem);
  line-height: 1.15;
}

details p {
  color: rgba(255, 250, 241, 0.74);
  font-size: 1.02rem;
}

summary em {
  color: rgba(255, 250, 241, 0.58);
  font-style: normal;
  font-weight: 700;
}

.accordion-copy {
  display: grid;
  gap: 14px;
  padding: 0 18px 24px 74px;
}

.consequence {
  position: relative;
  padding-left: 18px;
}

.consequence::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.consequence strong {
  color: var(--cream);
}

.leverage-section {
  padding: clamp(82px, 12vw, 142px) 0;
  background: var(--paper);
}

.leverage-editorial {
  max-width: 900px;
}

.quick-test-shell > *,
.section-heading > * {
  min-width: 0;
}

.leverage-editorial p {
  margin: 0;
  color: rgba(16, 23, 24, 0.76);
  font-size: clamp(1.24rem, 3vw, 1.72rem);
  font-weight: 600;
  line-height: 1.45;
}

.quick-test {
  padding: clamp(70px, 12vw, 130px) 0;
  background:
    linear-gradient(180deg, rgba(246, 242, 234, 0.96), rgba(255, 250, 241, 0.98)),
    var(--cream);
}

.quick-test-shell {
  display: grid;
  gap: 34px;
}

.quick-test-copy p {
  max-width: 720px;
  margin-top: 24px;
  color: rgba(16, 23, 24, 0.76);
  font-size: clamp(1.05rem, 2.6vw, 1.24rem);
}

.quick-test-copy h3 {
  margin: 30px 0 0;
  color: var(--deep);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.16;
}

.quick-test-copy .assurance {
  color: var(--deep);
  font-weight: 800;
}

.method-note {
  display: inline-flex;
  margin-top: 18px;
  padding: 12px 16px;
  border-left: 3px solid var(--teal);
  color: rgba(16, 23, 24, 0.68);
  background: rgba(47, 117, 111, 0.08);
  font-size: 0.98rem;
  font-weight: 800;
}

.lead-form {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 5vw, 34px);
  border: 1px solid rgba(16, 32, 35, 0.14);
  border-radius: 8px;
  background: #fffdf7;
  box-shadow: var(--shadow);
}

.lead-form label {
  color: var(--deep);
  font-size: 0.92rem;
  font-weight: 800;
}

.input-row {
  display: grid;
  gap: 12px;
}

input {
  width: 100%;
  min-height: 56px;
  padding: 0 17px;
  border: 1px solid rgba(16, 32, 35, 0.18);
  border-radius: 999px;
  background: var(--cream);
  color: var(--ink);
  font: 600 1rem var(--sans);
  outline: 0;
}

input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(47, 117, 111, 0.14);
}

.form-note {
  color: rgba(16, 23, 24, 0.62);
  font-size: 0.94rem;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--teal);
  font-size: 0.95rem;
  font-weight: 800;
}

.site-footer {
  display: grid;
  gap: 8px;
  padding: 34px 18px;
  color: rgba(255, 250, 241, 0.68);
  background: var(--night);
  text-align: center;
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

@media (min-width: 720px) {
  .header-link {
    display: inline-flex;
  }

  .hero {
    min-height: 90svh;
    align-items: center;
    padding-bottom: 44px;
  }

  .cta-row {
    flex-direction: row;
    align-items: center;
  }

  .section-heading {
    grid-template-columns: 1fr 0.72fr;
    align-items: end;
  }

  .input-row {
    grid-template-columns: 1fr;
    align-items: center;
  }

  .lead-form .button {
    width: 100%;
  }
}

@media (min-width: 980px) {
  .quick-test-shell {
    grid-template-columns: 1fr 0.82fr;
    align-items: center;
  }

}

@media (min-width: 1180px) {
  .lead-form .button {
    width: auto;
  }
}

@media (max-width: 460px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 0.7rem;
  }

  .brand strong {
    white-space: normal;
    line-height: 1.12;
  }

  .hero {
    min-height: 88svh;
    padding-top: 86px;
    padding-bottom: 32px;
  }

  .hero-media img {
    object-position: 66% center;
  }

  .eyebrow,
  .section-kicker {
    margin-bottom: 12px;
    font-size: 0.7rem;
  }

  h1 {
    font-size: clamp(2.46rem, 12.4vw, 3.25rem);
    line-height: 1;
  }

  .hero-subline {
    margin-top: 18px;
    font-size: 1rem;
  }

  .cta-row {
    margin-top: 26px;
  }

  .expert-card {
    margin-top: 30px;
    padding-top: 14px;
  }

  .button {
    width: 100%;
    min-height: 58px;
    padding-inline: 18px;
    text-align: center;
  }

  summary {
    grid-template-columns: 34px 1fr 20px;
    padding-inline: 14px;
  }

  .accordion-copy {
    padding-left: 60px;
    padding-right: 14px;
  }
}
