:root {
  color-scheme: light;
  --ink: #13201f;
  --muted: #5b6b69;
  --line: #dbe5e2;
  --surface: #ffffff;
  --soft: #f4f8f6;
  --soft-2: #eef4f1;
  --brand: #006c67;
  --brand-2: #0e8f81;
  --accent: #c95f3b;
  --warning: #8a5d00;
  --shadow: 0 18px 45px rgba(25, 57, 53, 0.14);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fbfdfc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(251, 253, 252, 0.9);
  border-bottom: 1px solid rgba(219, 229, 226, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  min-height: min(760px, calc(100svh - 64px));
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  padding: clamp(36px, 7vw, 92px) clamp(18px, 5vw, 72px) 32px;
  background:
    linear-gradient(90deg, rgba(251, 253, 252, 0.98) 0%, rgba(251, 253, 252, 0.9) 45%, rgba(251, 253, 252, 0.65) 100%),
    radial-gradient(circle at 12% 18%, rgba(0, 108, 103, 0.13), transparent 34%);
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  font-size: 25px;
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin-bottom: 28px;
  color: #31413f;
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions,
.form-grid,
.order-grid,
.benefit-grid,
.process-list,
.loop {
  display: grid;
}

.hero-actions {
  grid-template-columns: repeat(2, minmax(0, 230px));
  gap: 12px;
  margin-bottom: 18px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  color: #ffffff;
  background: var(--brand);
  box-shadow: 0 10px 24px rgba(0, 108, 103, 0.22);
}

.button.secondary {
  color: var(--brand);
  background: #ffffff;
  border-color: #b9d2cc;
}

.button.light {
  width: min(100%, 260px);
  color: var(--brand);
  background: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
}

.button.full {
  width: 100%;
}

.transparency-note,
.small-note,
.privacy-note {
  color: var(--muted);
  font-size: 14px;
}

.hero-media {
  align-self: stretch;
  min-height: 420px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.clarifier {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.clarifier div {
  padding: 24px clamp(18px, 5vw, 72px);
  background: #ffffff;
}

.clarifier strong {
  display: block;
  margin-bottom: 5px;
  color: var(--accent);
}

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

.section,
.forms-section {
  padding: clamp(54px, 8vw, 110px) clamp(18px, 5vw, 72px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  background: var(--soft);
}

.section-copy p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.process-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.process-list span,
.benefit-grid div,
.loop span {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 14px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  font-weight: 750;
}

.order-card,
.signup-form {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 32px rgba(25, 57, 53, 0.08);
}

.card-label,
.form-heading span {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.order-row {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.order-row span,
.order-row strong {
  display: block;
}

.order-row span {
  font-size: 26px;
  font-weight: 850;
}

.order-row strong {
  color: var(--muted);
}

.order-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.order-grid div {
  min-width: 0;
  padding: 14px 10px;
  border-radius: 8px;
  background: var(--soft-2);
  text-align: center;
}

.order-grid strong,
.order-grid span {
  display: block;
}

.order-grid strong {
  font-size: 22px;
}

.order-grid span {
  color: var(--muted);
  font-size: 13px;
}

.clinician-band {
  color: #ffffff;
  background: #173d3a;
}

.clinician-band .eyebrow,
.clinician-band .section-copy p {
  color: #c9e6df;
}

.benefit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.benefit-grid div {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.17);
}

.feedback-loop {
  background: #ffffff;
}

.feedback-loop h2 {
  max-width: 860px;
}

.loop {
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 28px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.loop span {
  position: relative;
  justify-content: center;
  min-width: 120px;
  text-align: center;
}

.loop span:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -8px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--brand);
  border-right: 2px solid var(--brand);
  transform: rotate(45deg);
  background: #ffffff;
}

.forms-section {
  background: var(--soft);
}

.form-intro {
  max-width: 780px;
  margin-bottom: 30px;
}

.form-intro p {
  color: var(--muted);
  font-size: 18px;
}

.form-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100%, 760px);
  gap: 8px;
  margin-bottom: 22px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.form-tab {
  min-height: 50px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
}

.form-tab.is-active {
  color: #ffffff;
  background: var(--brand);
  box-shadow: 0 8px 18px rgba(0, 108, 103, 0.18);
}

.form-grid {
  grid-template-columns: minmax(0, 860px);
  gap: 0;
  align-items: start;
}

.signup-form {
  display: grid;
  gap: 16px;
}

.form-heading h3 {
  margin-bottom: 0;
}

label,
fieldset {
  display: grid;
  gap: 8px;
  min-width: 0;
  color: #263936;
  font-weight: 750;
}

fieldset {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 0;
  padding: 0;
  margin: 0;
}

legend {
  grid-column: 1 / -1;
  padding: 0;
  font-weight: 750;
}

fieldset label {
  display: flex;
  position: relative;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: #31413f;
  font-weight: 800;
  text-align: center;
  word-break: keep-all;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

fieldset label::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #c8d7d4;
  flex: 0 0 auto;
}

fieldset label:has(input:checked) {
  color: #ffffff;
  border-color: var(--brand);
  background: var(--brand);
  box-shadow: 0 8px 18px rgba(0, 108, 103, 0.18);
}

fieldset label:has(input:checked)::before {
  background: #ffffff;
}

fieldset label:has(input:focus-visible) {
  outline: 3px solid rgba(14, 143, 129, 0.18);
  outline-offset: 2px;
}

fieldset input[type="radio"],
fieldset input[type="checkbox"] {
  position: absolute;
  width: 1px;
  min-height: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  border: 1px solid #c8d7d4;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand-2);
  outline: 3px solid rgba(14, 143, 129, 0.16);
}

.privacy-note {
  margin-bottom: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--brand-2);
  background: #f5faf8;
}

.form-status {
  min-height: 24px;
  margin: 0;
  font-weight: 750;
}

.form-status[data-state="success"] {
  color: var(--brand);
}

.form-status[data-state="error"] {
  color: #a13c22;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.site-footer strong {
  color: var(--ink);
}

@media (max-width: 900px) {
  .site-header {
    position: static;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 28px;
  }

  .hero-media,
  .hero-media img {
    min-height: 300px;
  }

  .split-section,
  .form-grid,
  .clarifier {
    grid-template-columns: 1fr;
  }

  .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    font-size: 15px;
  }

  .hero,
  .section,
  .forms-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-actions,
  .process-list,
  .benefit-grid,
  .form-tabs,
  fieldset {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-media,
  .hero-media img {
    min-height: 240px;
  }

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