@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

:root {
  --ink: #0d1b22;
  --ink-soft: #43535c;
  --paper: #f4f0e7;
  --paper-2: #ebe5da;
  --teal: #7fd7c4;
  --teal-deep: #1f7469;
  --lime: #d7f391;
  --blue: #8ac9df;
  --cream: #fffaf0;
  --line: rgba(13, 27, 34, 0.12);
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(15, 44, 54, 0.12);
  --radius-lg: 36px;
  --radius-md: 24px;
  --radius-sm: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(127, 215, 196, .24), transparent 26%),
    radial-gradient(circle at 90% 20%, rgba(138, 201, 223, .2), transparent 30%),
    linear-gradient(180deg, #f7f3ea 0%, #f4f0e7 46%, #efe9df 100%);
  color: var(--ink);
  font-family: "DM Sans", sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, .brand {
  font-family: "Manrope", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
}

.container {
  width: min(1180px, calc(100% - 40px));
}

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(247, 243, 234, .78);
  border-bottom: 1px solid rgba(13, 27, 34, .08);
}

.topbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.08rem;
}

.brand-mark {
  width: 35px;
  height: 35px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--lime);
  text-transform: uppercase;
  font-weight: 800;
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

nav li {
  margin: 0;
  padding: 0;
}

nav a {
  display: block;
  padding: 10px 13px;
  border-radius: 999px;
  color: #2f4148;
  font-weight: 600;
  font-size: .94rem;
  transition: .25s ease;
}

nav a:hover {
  background: rgba(13, 27, 34, .07);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 42px;
  border: 0;
  border-radius: 14px;
  background: var(--ink);
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--white);
  border-radius: 4px;
}

.hero {
  position: relative;
  padding: 92px 0 68px;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  pointer-events: none;
}

.orb-one {
  width: 300px;
  height: 300px;
  background: rgba(215, 243, 145, .45);
  left: -130px;
  bottom: -60px;
}

.orb-two {
  width: 330px;
  height: 330px;
  background: rgba(127, 215, 196, .24);
  right: -110px;
  top: 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 80px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(13, 27, 34, .14);
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .13em;
  background: rgba(255,255,255,.36);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-deep);
}

.hero h1 {
  margin: 25px 0 22px;
  font-size: clamp(3.4rem, 7vw, 6.75rem);
  line-height: .92;
  letter-spacing: -0.065em;
  max-width: 760px;
}

.hero-lead {
  max-width: 710px;
  font-size: 1.18rem;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.primary-link {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 14px 30px rgba(13, 27, 34, .16);
}

.secondary-link {
  border: 1px solid rgba(13, 27, 34, .14);
  background: rgba(255,255,255,.45);
}

.primary-link:hover,
.secondary-link:hover {
  transform: translateY(-2px);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 42px;
}

.hero-points div {
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.hero-points strong {
  display: block;
  font-size: .96rem;
}

.hero-points span {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: .86rem;
  line-height: 1.5;
}

.hero-visual {
  position: relative;
}

.image-frame {
  position: relative;
  transform: rotate(2.2deg);
  border-radius: 42px 42px 120px 42px;
  overflow: visible;
}

.image-frame img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: inherit;
  box-shadow: var(--shadow);
  filter: saturate(.82) contrast(.96);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid rgba(13,27,34,.15);
  border-radius: inherit;
  z-index: -1;
}

.floating-note {
  position: absolute;
  max-width: 190px;
  background: var(--cream);
  border: 1px solid rgba(13, 27, 34, .12);
  box-shadow: 0 18px 45px rgba(31, 65, 70, .16);
  border-radius: 20px;
  padding: 14px 16px;
  font-weight: 700;
  line-height: 1.35;
  transform: rotate(-2.2deg);
}

.floating-note span {
  display: block;
  margin-bottom: 5px;
  color: var(--teal-deep);
  font-size: .74rem;
  letter-spacing: .12em;
}

.note-a {
  left: -50px;
  bottom: 72px;
}

.note-b {
  right: -36px;
  top: 70px;
}

.signal-strip {
  padding: 12px 0;
}

.signal-track {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 28px;
  background: var(--ink);
  color: rgba(255,255,255,.88);
  border-radius: 20px;
  overflow: hidden;
}

.signal-track span {
  white-space: nowrap;
  font-size: .84rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.signal-track span::before {
  content: "•";
  color: var(--lime);
  margin-right: 12px;
}

.section-space {
  padding: 118px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 48px;
}

.section-heading.compact {
  max-width: 670px;
}

.section-heading h2,
.split-copy h2,
.safety-intro h2,
.visual-break-copy h2,
.myth-title h2,
.closing-card h2 {
  margin: 18px 0;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.section-heading p,
.split-copy > p,
.safety-intro p,
.visual-break-copy p {
  color: var(--ink-soft);
  font-size: 1.06rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 340px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.42);
  border-radius: var(--radius-md);
  transition: transform .25s ease, background .25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,.68);
}

.card-index {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--lime);
  font-weight: 800;
  margin-bottom: auto;
}

.feature-card h3 {
  margin: 50px 0 12px;
  font-size: 1.45rem;
  letter-spacing: -.03em;
}

.feature-card p {
  color: var(--ink-soft);
  margin-bottom: 0;
}

.split-section {
  padding: 34px 0 80px;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.split-media {
  position: relative;
}

.split-media::before {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--lime);
  right: -30px;
  top: -30px;
  z-index: -1;
}

.split-media img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 44px 140px 44px 44px;
  box-shadow: var(--shadow);
  filter: saturate(.8);
}

.detail-list {
  margin: 28px 0 24px;
}

.detail-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.detail-list span {
  font-weight: 800;
}

.detail-list p {
  margin: 0;
  color: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-weight: 800;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}

.text-link span {
  transition: transform .2s ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.dose-section {
  padding-top: 80px;
}

.dose-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.dose-panel {
  padding: 30px;
  border-radius: 24px;
  background: var(--cream);
  border: 1px solid var(--line);
}

.dose-panel:nth-child(2) {
  background: #e9f7f2;
}

.dose-panel:nth-child(3) {
  background: #eef5f8;
}

.dose-panel:nth-child(4) {
  background: #f1f7dd;
}

.dose-panel h3 {
  font-size: 1.4rem;
  letter-spacing: -.025em;
}

.dose-panel p {
  margin: 0;
  color: var(--ink-soft);
}

.safety-section {
  padding: 110px 0;
  background: var(--ink);
  color: var(--white);
}

.safety-shell {
  position: relative;
}

.safety-intro {
  max-width: 800px;
  margin-bottom: 48px;
}

.safety-intro .eyebrow {
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}

.safety-intro .eyebrow::before {
  background: var(--lime);
}

.safety-intro p {
  color: rgba(255,255,255,.66);
}

.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.safety-card {
  padding: 28px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}

.safety-card h3 {
  font-size: 1.35rem;
}

.safety-card p {
  color: rgba(255,255,255,.65);
  margin: 0;
}

.alert-band {
  margin-top: 16px;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: center;
  border-radius: 22px;
  background: var(--lime);
  color: var(--ink);
}

.alert-band strong {
  font-family: "Manrope", sans-serif;
  font-size: 1.12rem;
}

.alert-band p {
  margin: 0;
}

.interaction-grid {
  display: grid;
  gap: 2px;
}

.interaction-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.interaction-item > span {
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--teal-deep);
}

.interaction-item h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.interaction-item p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 850px;
}

.visual-break {
  padding: 40px 0 110px;
}

.visual-break-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 48px;
  align-items: center;
  padding: 54px;
  border-radius: 38px;
  background: #dcefeb;
  overflow: hidden;
}

.visual-break-media img {
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 26px 90px 26px 26px;
  filter: saturate(.8);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.timeline-step {
  position: relative;
  padding: 26px 22px 24px;
  border-top: 3px solid var(--ink);
  background: rgba(255,255,255,.35);
}

.timeline-step > span {
  display: block;
  font-family: "Manrope", sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--teal-deep);
}

.timeline-step h3 {
  margin: 28px 0 10px;
  font-size: 1.2rem;
}

.timeline-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .94rem;
}

.myth-section {
  padding: 110px 0;
  background: #dff4ee;
}

.myth-grid {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 80px;
}

.myth-title {
  position: sticky;
  top: 120px;
  align-self: start;
}

.myth-stack {
  display: grid;
  gap: 14px;
}

.myth-card {
  padding: 26px 28px;
  background: rgba(255,255,255,.54);
  border-radius: 20px;
  border: 1px solid rgba(13,27,34,.08);
}

.myth-card h3 {
  font-size: 1.2rem;
  line-height: 1.35;
}

.myth-card p {
  margin: 0;
  color: var(--ink-soft);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 24px 0;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: "Manrope", sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--ink);
}

.faq-item button b {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 500;
  transition: transform .25s ease;
}

.faq-item.active button b {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 60px 24px 0;
  color: var(--ink-soft);
  max-width: 900px;
}

.closing-section {
  padding: 0 0 110px;
}

.closing-card {
  display: grid;
  grid-template-columns: 1.15fr .85fr auto;
  gap: 40px;
  align-items: end;
  padding: 46px;
  border-radius: 34px;
  background: var(--ink);
  color: var(--white);
}

.closing-card h2 {
  font-size: clamp(2.2rem, 4vw, 3.7rem);
  margin-bottom: 0;
}

.closing-card p {
  color: rgba(255,255,255,.65);
  margin: 0;
}

.closing-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 800;
  white-space: nowrap;
}

footer {
  padding: 68px 0 26px;
  background: #0a151b;
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .7fr .7fr 1.2fr;
  gap: 42px;
}

.footer-copy,
.footer-note {
  color: rgba(255,255,255,.55);
  max-width: 320px;
}

footer h3 {
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255,255,255,.72);
}

footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer li {
  margin: 8px 0;
}

footer a {
  color: rgba(255,255,255,.8);
}

footer a:hover {
  color: var(--lime);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 54px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.42);
  font-size: .88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1050px) {
  .hero-grid,
  .split-layout,
  .visual-break-grid,
  .myth-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 52px;
  }

  .hero-visual {
    max-width: 640px;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .myth-title {
    position: static;
  }

  .closing-card {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .footer-grid > div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  nav {
    position: fixed;
    left: 20px;
    right: 20px;
    top: 88px;
    display: none;
    padding: 18px;
    border-radius: 22px;
    background: rgba(13, 27, 34, .97);
    box-shadow: var(--shadow);
  }

  nav.open {
    display: block;
  }

  nav ul {
    display: block;
  }

  nav li {
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  nav li:last-child {
    border-bottom: 0;
  }

  nav a {
    color: var(--white);
    padding: 13px 12px;
    border-radius: 10px;
  }

  nav a:hover {
    color: var(--white);
    background: rgba(255,255,255,.08);
  }

  .nav-toggle {
    display: block;
  }

  .feature-grid,
  .dose-layout,
  .safety-grid {
    grid-template-columns: 1fr;
  }

  .signal-track {
    overflow-x: auto;
    justify-content: flex-start;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding-top: 62px;
  }

  .hero h1 {
    font-size: clamp(3rem, 16vw, 5rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .floating-note {
    position: static;
    margin-top: 10px;
    transform: none;
    max-width: none;
  }

  .image-frame {
    transform: none;
    border-radius: 30px 30px 80px 30px;
  }

  .image-frame::after {
    display: none;
  }

  .section-space,
  .safety-section,
  .myth-section {
    padding: 82px 0;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .alert-band {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .visual-break-grid {
    padding: 30px 22px;
  }

  .interaction-item {
    grid-template-columns: 50px 1fr;
  }

  .closing-card {
    padding: 32px 24px;
  }

  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
    display: grid;
  }
}