:root {
  --ink: #102b2e;
  --ink-soft: #3d5557;
  --petrol: #0a5b60;
  --petrol-dark: #063f44;
  --aqua: #40c2c1;
  --aqua-pale: #d9f1ef;
  --paper: #f7f8f5;
  --white: #fff;
  --line: rgba(16, 43, 46, .15);
  --shadow: 0 28px 70px rgba(3, 55, 59, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
main { overflow: hidden; }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  width: min(1240px, calc(100% - 48px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 0;
  color: var(--white);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  font-size: .73rem;
  letter-spacing: .23em;
}
.brand img { width: 108px; color: currentColor; filter: brightness(0) invert(1); }
.header-note {
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 999px;
  text-transform: uppercase;
  font-size: .66rem;
  letter-spacing: .18em;
}

.hero {
  min-height: 820px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr);
  gap: 64px;
  align-items: center;
  padding: 150px max(48px, calc((100vw - 1240px)/2)) 92px;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 20%, rgba(63,194,193,.42), transparent 33%),
    linear-gradient(135deg, #073f43 0%, #0b6468 55%, #0b7475 100%);
}
.hero-copy { max-width: 700px; position: relative; z-index: 2; }
.eyebrow {
  margin: 0 0 24px;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .72rem;
  font-weight: 700;
  color: var(--petrol);
}
.hero .eyebrow, .eyebrow.light { color: #8de0dd; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 28px;
  font-size: clamp(3.4rem, 6vw, 6.4rem);
  line-height: .96;
  letter-spacing: -.055em;
  font-weight: 600;
}
h1 em {
  color: #96e3df;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}
.hero-lead {
  max-width: 620px;
  color: rgba(255,255,255,.82);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.65;
}
.benefits {
  display: grid;
  gap: 10px;
  margin: 32px 0 38px;
  padding: 0;
  list-style: none;
}
.benefits li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,.9);
  font-size: .96rem;
}
.benefits span {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 50%;
  color: #9de6e2;
  font-size: .65rem;
}
.button, .lead-form button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-width: 290px;
  padding: 19px 22px;
  border: 0;
  border-radius: 3px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .76rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button-primary { background: var(--white); color: var(--petrol-dark); }
.button:hover, .lead-form button:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,.15); }

.cover-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 600px;
}
.cover-stage > img {
  position: relative;
  z-index: 2;
  width: min(390px, 80%);
  border-radius: 4px;
  box-shadow: 35px 45px 70px rgba(0,0,0,.28);
  transform: rotate(3deg);
}
.cover-stage::before {
  content: "";
  position: absolute;
  z-index: 1;
  width: min(390px, 80%);
  aspect-ratio: 595 / 842;
  transform: translate(22px, 14px) rotate(5deg);
  border: 1px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.12);
}
.cover-glow {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(83,219,214,.2);
  filter: blur(6px);
}
.cover-badge {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 70px;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 130px;
  height: 130px;
  padding: 22px;
  border-radius: 50%;
  color: var(--petrol-dark);
  background: #a8e9e4;
  transform: rotate(-6deg);
}
.cover-badge strong { font-size: 2.35rem; }
.cover-badge span { font-size: .68rem; line-height: 1.25; text-transform: uppercase; letter-spacing: .08em; }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1050px;
  margin: -36px auto 0;
  position: relative;
  z-index: 4;
  background: var(--white);
  box-shadow: var(--shadow);
}
.trust-strip div {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  padding: 30px;
  border-right: 1px solid var(--line);
}
.trust-strip div:last-child { border-right: 0; }
.trust-strip strong { color: var(--petrol); font-size: 1.8rem; }
.trust-strip span { color: var(--ink-soft); font-size: .82rem; }

.inside { padding: 140px max(48px, calc((100vw - 1240px)/2)); }
.section-heading {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  align-items: end;
  margin-bottom: 58px;
}
h2 {
  margin-bottom: 0;
  font-size: clamp(2.7rem, 5vw, 5.1rem);
  line-height: 1.02;
  letter-spacing: -.05em;
  font-weight: 550;
}
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.topic-grid article { min-height: 280px; padding: 30px; background: var(--white); }
.topic-grid article > span { color: var(--aqua); font-size: .72rem; }
.topic-grid h3 { margin: 70px 0 15px; font-size: 1.35rem; }
.topic-grid p { color: var(--ink-soft); line-height: 1.65; font-size: .9rem; }

.doctor {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 80px;
  align-items: center;
  padding: 110px max(48px, calc((100vw - 1100px)/2));
  color: var(--white);
  background: var(--ink);
}
.doctor-mark {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,194,193,.24), transparent 65%);
}
.doctor-mark span { font-size: clamp(4rem, 9vw, 8rem); font-weight: 200; letter-spacing: -.06em; color: var(--aqua); }
.doctor h2 { margin-bottom: 25px; }
.doctor p:last-child { max-width: 670px; color: rgba(255,255,255,.7); line-height: 1.75; }

.download-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 90px;
  align-items: start;
  padding: 135px max(48px, calc((100vw - 1160px)/2));
  background: #eaf4f2;
}
.download-copy { position: sticky; top: 40px; }
.download-copy h2 { margin-bottom: 28px; }
.download-copy > p { color: var(--ink-soft); line-height: 1.7; font-size: 1.05rem; }
.privacy-promise {
  display: flex;
  gap: 14px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}
.privacy-promise > span {
  display: grid;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--aqua);
  color: var(--white);
}
.privacy-promise p { margin: 3px 0 0; font-size: .84rem; line-height: 1.55; }

.lead-form {
  padding: 44px;
  background: var(--white);
  box-shadow: 0 22px 65px rgba(5, 78, 82, .1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.lead-form label:not(.check-row):not(.hp-field) {
  display: grid;
  gap: 9px;
  margin-bottom: 19px;
  color: var(--ink);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.lead-form input[type="text"],
.lead-form input[type="email"],
.lead-form input[type="tel"] {
  width: 100%;
  padding: 17px 16px;
  border: 1px solid #cbd8d6;
  border-radius: 2px;
  outline: none;
  color: var(--ink);
  background: #fcfdfc;
  font: inherit;
  font-size: 1rem;
  text-transform: none;
  letter-spacing: 0;
}
.lead-form input:focus { border-color: var(--aqua); box-shadow: 0 0 0 3px rgba(64,194,193,.14); }
.check-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 18px 0;
  color: var(--ink-soft);
  font-size: .78rem;
  line-height: 1.5;
}
.check-row input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--petrol); flex: 0 0 auto; }
.check-row a { color: var(--petrol); font-weight: 700; }
.check-row.optional { margin-bottom: 28px; }
.lead-form button {
  width: 100%;
  color: var(--white);
  background: var(--petrol);
}
.lead-form button:disabled { cursor: wait; opacity: .72; transform: none; }
.form-note { margin: 14px 0 0; text-align: center; color: #6f8282; font-size: .72rem; line-height: 1.5; }
.form-error { margin-bottom: 22px; padding: 14px 16px; border-left: 3px solid #be4d43; background: #fff0ee; color: #7d2c26; font-size: .85rem; line-height: 1.45; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 30px;
  align-items: center;
  padding: 34px max(48px, calc((100vw - 1240px)/2));
  color: rgba(255,255,255,.65);
  background: #071f22;
  font-size: .74rem;
}
footer p { margin: 0; }
.footer-brand { color: var(--white); }
.footer-brand img { filter: brightness(0) invert(1); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 15px; padding-top: 140px; }
  .cover-stage { min-height: 560px; }
  .cover-badge { right: 8%; }
  .section-heading, .doctor, .download-section { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr 1fr; }
  .download-copy { position: static; }
  .trust-strip { width: calc(100% - 48px); }
  footer { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 32px); padding-top: 22px; }
  .brand img { width: 86px; }
  .brand span { display: none; }
  .hero { min-height: auto; padding: 118px 20px 58px; }
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .benefits li { align-items: flex-start; }
  .button { width: 100%; min-width: 0; }
  .cover-stage { min-height: 500px; }
  .cover-stage > img, .cover-stage::before { width: min(310px, 78vw); }
  .cover-badge { right: 2%; bottom: 55px; width: 105px; height: 105px; padding: 17px; }
  .cover-badge strong { font-size: 1.8rem; }
  .trust-strip { grid-template-columns: 1fr; margin-top: 0; }
  .trust-strip div { justify-content: flex-start; padding: 19px 26px; border-right: 0; border-bottom: 1px solid var(--line); }
  .inside, .doctor, .download-section { padding: 88px 20px; }
  .section-heading { margin-bottom: 36px; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic-grid article { min-height: 230px; }
  .topic-grid h3 { margin-top: 46px; }
  .doctor { gap: 45px; }
  .doctor-mark { max-width: 330px; margin: auto; }
  .download-section { gap: 44px; }
  .lead-form { padding: 25px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .lead-form button { min-width: 0; padding: 18px 16px; font-size: .68rem; }
  footer { padding: 30px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}