:root {
  --aqua: #76d7c4;
  --aqua-deep: #117a65;
  --ink: #13201f;
  --muted: #687473;
  --line: #dce9e6;
  --paper: #fbfdfc;
  --silver: #eef4f3;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(17, 122, 101, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Montserrat, Arial, sans-serif;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(220, 233, 230, 0.78);
  backdrop-filter: blur(16px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 28px rgba(19, 32, 31, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1;
}

.brand strong {
  font-family: Cinzel, Georgia, serif;
  font-size: 18px;
}

.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 22px;
  color: #243432;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-cta,
.button-primary {
  color: var(--white);
  background: var(--aqua-deep);
  box-shadow: 0 0 24px rgba(118, 215, 196, 0.42);
}

.button-ghost {
  color: var(--aqua-deep);
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--aqua);
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(17, 122, 101, 0.22);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  padding: 130px clamp(22px, 6vw, 80px) 70px;
  overflow: hidden;
  background: url("assets/clinical-aesthetics.jpg") center 38% / cover no-repeat;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.68);
}

.hero-content {
  position: relative;
  align-self: end;
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--aqua-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: Cinzel, Georgia, serif;
  line-height: 0.98;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(52px, 9vw, 118px);
  color: #0d2926;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(34px, 5vw, 64px);
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-copy {
  max-width: 650px;
  color: #263634;
  font-size: clamp(18px, 2.4vw, 25px);
  line-height: 1.55;
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin: 32px 0 26px;
}

.trust-row {
  padding: 0;
  color: #213432;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
}

.trust-row li {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.section {
  padding: clamp(70px, 8vw, 120px) clamp(22px, 6vw, 80px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(34px, 6vw, 90px);
  background: var(--white);
}

.section-copy p,
.closing p,
.doctor-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.principles {
  display: grid;
  gap: 14px;
}

.principles article,
.treatment-grid article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.principles article {
  padding: 24px;
}

.principles span {
  color: var(--aqua-deep);
  font-weight: 800;
}

.principles p,
.treatment-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.65;
}

.treatments {
  background: var(--silver);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.treatment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.treatment-grid article {
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
}

.treatment-grid img {
  width: 100%;
  aspect-ratio: 1 / 0.82;
  object-fit: cover;
}

.treatment-grid div {
  padding: 24px;
}

.doctor {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: center;
  padding: clamp(70px, 8vw, 120px) clamp(22px, 6vw, 80px);
  background: var(--white);
}

.doctor > img {
  width: 100%;
  max-height: 690px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.credential {
  color: var(--aqua-deep) !important;
  font-weight: 800;
}

.closing {
  padding: clamp(76px, 8vw, 130px) clamp(22px, 18vw, 260px);
  color: var(--white);
  text-align: center;
  background: #102c29;
}

.closing .eyebrow,
.closing p {
  color: #c6f4eb;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  padding: 28px 22px;
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--aqua-deep);
  font-weight: 800;
}

@media (max-width: 860px) {
  .site-header {
    gap: 12px;
    padding: 12px 16px;
  }

  .brand span,
  .nav {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding-top: 112px;
    background-position: center top;
  }

  .intro,
  .doctor,
  .treatment-grid {
    grid-template-columns: 1fr;
  }

  .treatment-grid img {
    aspect-ratio: 1.35 / 1;
  }
}

@media (max-width: 520px) {
  .nav-cta,
  .button {
    width: 100%;
  }

  .hero-content {
    align-self: center;
  }

  .trust-row li {
    width: 100%;
  }
}