/* ==========================================================
   Radha IVF Center — global reset and design system
   ========================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  text-size-adjust: 100%;
}

body,
h1,
h2,
h3,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  margin: 0;
  padding: 0;
  list-style: none;
}

img,
picture,
svg,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

address {
  font-style: normal;
}

:root {
  /* Brand palette sampled from the Radha IVF Centre logo. */
  --plum: #4b0d66;
  --plum-deep: #300341;
  --rose: #5dae57;
  --blush: #fbf7fd;
  --gold: #f2df4f;
  --magenta: #d6246f;
  --charcoal: #29242a;
  --white: #ffffff;
  --muted: #6f656c;
  --border: #eadde1;
  --success: #1f6b48;
  --focus: #235789;

  --font-heading: "Montserrat", Arial, sans-serif;
  --font-body: "Roboto", Arial, sans-serif;

  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: clamp(1.35rem, 3vw, 1.75rem);
  --text-2xl: clamp(2rem, 5vw, 3.4rem);
  --text-hero: clamp(2.55rem, 7vw, 5.25rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --container: 74rem;
  --gutter: 1.25rem;
  --radius-sm: 0.6rem;
  --radius-md: 1rem;
  --radius-lg: 1.75rem;
  --radius-xl: 2.5rem;
  --shadow-sm: 0 12px 30px rgba(75, 13, 102, 0.07);
  --shadow-lg: 0 28px 70px rgba(75, 13, 102, 0.14);
  --transition: 220ms ease;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--white);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

h1,
h2,
h3 {
  color: var(--plum-deep);
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.12;
}

h1 {
  font-size: var(--text-hero);
  letter-spacing: -0.035em;
}

h2 {
  font-size: var(--text-2xl);
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--text-xl);
}

p + p {
  margin-top: var(--space-4);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-8);
}

.section--tint {
  background: var(--blush);
}

.eyebrow {
  margin-bottom: var(--space-4);
  color: var(--plum);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-lead {
  margin-top: var(--space-5);
  color: var(--muted);
  font-size: var(--text-lg);
}

.section-heading {
  display: grid;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

.section-heading > p {
  max-width: 34rem;
  color: var(--muted);
}

/* Reusable buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 3.25rem;
  padding: 0.9rem 1.4rem;
  border: 1px solid var(--plum);
  border-radius: 999px;
  background: var(--plum);
  color: var(--white);
  font-weight: 700;
  line-height: 1.1;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover {
  border-color: var(--plum-deep);
  background: var(--plum-deep);
  box-shadow: 0 12px 24px rgba(75, 13, 102, 0.18);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--small {
  min-height: 2.7rem;
  padding: 0.7rem 1.1rem;
  font-size: var(--text-sm);
}

.btn--secondary {
  border-color: var(--plum);
  background: transparent;
  color: var(--plum);
}

.btn--secondary:hover {
  color: var(--white);
}

.btn--whatsapp {
  border-color: #176b47;
  background: #176b47;
}

.btn--whatsapp:hover {
  border-color: #105238;
  background: #105238;
}

.btn-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 auto;
}

.text-link {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
  color: var(--plum);
  font-weight: 700;
}

.text-link span {
  transition: transform var(--transition);
}

.text-link:hover span {
  transform: translateX(0.25rem);
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-180%);
  border-radius: var(--radius-sm);
  background: var(--charcoal);
  color: var(--white);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header and navigation */
.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--border);
  box-shadow: 0 8px 30px rgba(41, 36, 42, 0.08);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  gap: var(--space-3);
  align-items: center;
}

.brand-logo {
  width: 11.25rem;
  height: auto;
  border-radius: 0.3rem;
}

.brand-mark {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50% 50% 45% 55%;
  background: var(--plum);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  color: var(--plum-deep);
  font-family: var(--font-heading);
  font-size: 1.04rem;
}

.brand-copy small {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0.7rem;
  place-content: center;
  gap: 0.28rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

.nav-toggle span {
  width: 1.1rem;
  height: 2px;
  background: var(--plum);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.38rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.38rem) rotate(-45deg);
}

.primary-nav {
  position: fixed;
  inset: 4.75rem 0 auto;
  display: grid;
  max-height: 0;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: max-height 320ms ease, opacity var(--transition), visibility var(--transition);
}

.primary-nav.is-open {
  max-height: calc(100vh - 4.75rem);
  padding: var(--space-5) var(--gutter) var(--space-6);
  opacity: 1;
  visibility: visible;
}

.primary-nav > a:not(.btn) {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-weight: 600;
}

.primary-nav > a:not(.btn).is-active,
.primary-nav > a:not(.btn):hover {
  color: var(--plum);
}

.primary-nav .btn {
  margin-top: var(--space-4);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-7) var(--space-8);
  background: linear-gradient(135deg, var(--blush), #fff 58%, #f2e9f6);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.hero-lead {
  max-width: 42rem;
  margin-top: var(--space-5);
  color: var(--muted);
  font-size: var(--text-lg);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.hero-location {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-5);
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

.hero-location span {
  color: var(--gold);
}

.hero-visual {
  position: relative;
  max-width: 36rem;
  margin-inline: auto;
}

.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.image-frame img,
.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-frame--hero {
  aspect-ratio: 4 / 5;
}

.image-frame--hero img {
  object-position: center 35%;
}

.image-label {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--plum);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.doctor-card {
  position: relative;
  width: calc(100% - 2rem);
  margin: -4rem auto 0;
  padding: var(--space-5);
  border: 1px solid rgba(75, 13, 102, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-lg);
}

.doctor-card h2 {
  font-size: 1.6rem;
}

.doctor-card p {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: var(--text-sm);
}

.doctor-card .doctor-card__label {
  margin: 0 0 var(--space-2);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doctor-card .doctor-card__credentials {
  color: var(--plum);
  font-weight: 700;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.hero-orb--one {
  top: -8rem;
  right: -8rem;
  width: 22rem;
  height: 22rem;
  background: rgba(93, 174, 87, 0.15);
}

.hero-orb--two {
  bottom: -6rem;
  left: -7rem;
  width: 18rem;
  height: 18rem;
  border: 1px solid rgba(242, 223, 79, 0.42);
}

/* Trust strip */
.trust-strip {
  position: relative;
  z-index: 2;
  background: var(--plum);
  color: var(--white);
}

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

.trust-item {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-5) var(--space-3);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.trust-item span {
  color: var(--rose);
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.trust-item p {
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

/* About */
.about-grid,
.why-grid,
.faq-layout,
.appointment-grid,
.contact-grid,
.testimonial-layout {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.about-visual {
  position: relative;
}

.image-frame--about {
  aspect-ratio: 3 / 2;
}

.image-frame--about img {
  object-position: center;
}

.experience-note {
  display: grid;
  width: 80%;
  margin: -2.5rem auto 0;
  padding: var(--space-4) var(--space-5);
  position: relative;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  color: var(--muted);
  font-size: var(--text-sm);
}

.experience-note strong {
  color: var(--plum);
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.about-content > p:not(.eyebrow) {
  color: var(--muted);
}

.qualification-card {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--blush);
}

.qualification-card h3 {
  font-size: 1.45rem;
}

.qualification-card .credentials {
  margin-top: var(--space-1);
  color: var(--plum);
  font-weight: 700;
}

.check-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.feature-list li {
  position: relative;
  padding-left: 1.75rem;
}

.check-list li::before,
.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* Treatment and women's health cards */
.service-grid,
.health-grid {
  display: grid;
  gap: var(--space-4);
}

.service-card,
.health-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card {
  min-height: 14rem;
  padding: var(--space-5);
}

.service-card:hover,
.health-card:hover {
  border-color: rgba(75, 13, 102, 0.24);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card > span {
  display: grid;
  width: 2.45rem;
  height: 2.45rem;
  margin-bottom: var(--space-5);
  place-items: center;
  border-radius: 50%;
  background: var(--blush);
  color: var(--plum);
  font-family: var(--font-heading);
  font-weight: 700;
}

.service-card h3 {
  font-size: 1.3rem;
}

.service-card p {
  margin-top: var(--space-3);
  color: var(--muted);
  font-size: var(--text-sm);
}

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

.health-card {
  display: grid;
  min-height: 10rem;
  padding: var(--space-5);
  align-content: space-between;
}

.health-card span {
  color: var(--rose);
  font-size: 1.6rem;
}

.health-card h3 {
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
}

/* Patient journey */
.journey-section {
  overflow: hidden;
  background: var(--plum-deep);
  color: var(--white);
}

.section-heading--light h2,
.section-heading--light > p {
  color: var(--white);
}

.section-heading--light .eyebrow {
  color: var(--rose);
}

.journey-grid {
  display: grid;
  gap: var(--space-5);
  counter-reset: steps;
}

.journey-step {
  position: relative;
  padding: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
}

.journey-step > span {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  margin-bottom: var(--space-6);
  place-items: center;
  border-radius: 50%;
  background: var(--gold);
  color: var(--plum-deep);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.journey-step h3 {
  color: var(--white);
  font-size: 1.35rem;
}

.journey-step p {
  margin-top: var(--space-3);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
}

/* Why us and conditions */
.feature-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.promise-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--blush);
  box-shadow: var(--shadow-sm);
}

.promise-mark {
  position: absolute;
  right: -1.5rem;
  bottom: -5rem;
  color: rgba(75, 13, 102, 0.06);
  font-family: var(--font-heading);
  font-size: 18rem;
  line-height: 1;
}

.promise-card blockquote {
  position: relative;
  margin-bottom: var(--space-6);
  color: var(--plum-deep);
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.3;
}

.condition-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.condition-list li {
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--plum-deep);
  font-size: var(--text-sm);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* Testimonial placeholder */
.testimonial-card {
  position: relative;
  padding: var(--space-7) var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--plum);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.quote-mark {
  display: block;
  height: 3rem;
  color: var(--rose);
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 1;
}

.testimonial-card blockquote {
  font-family: var(--font-heading);
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.4;
}

.testimonial-card p {
  margin-top: var(--space-5);
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* FAQ */
.faq-intro {
  align-self: start;
}

.faq-intro > p:not(.eyebrow) {
  margin-top: var(--space-5);
  color: var(--muted);
}

.faq-intro .text-link {
  margin-top: var(--space-5);
}

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

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

.faq-item h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
}

.faq-item button {
  display: flex;
  width: 100%;
  padding: var(--space-5) 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border: 0;
  background: transparent;
  color: var(--charcoal);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-item button span {
  display: grid;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--plum);
  font-size: 1.25rem;
  transition: transform var(--transition), background-color var(--transition), color var(--transition);
}

.faq-item button[aria-expanded="true"] span {
  background: var(--plum);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 3rem var(--space-5) 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

/* Appointment form */
.appointment-section {
  background: linear-gradient(140deg, var(--plum-deep), var(--plum));
  color: var(--white);
}

.appointment-copy {
  align-self: start;
}

.appointment-copy h2,
.appointment-copy .eyebrow {
  color: var(--white);
}

.appointment-copy > p:not(.eyebrow) {
  margin-top: var(--space-5);
  color: rgba(255, 255, 255, 0.72);
}

.contact-mini {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.contact-mini span {
  color: var(--rose);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-mini a {
  font-family: var(--font-heading);
  font-size: 1.55rem;
}

.appointment-form {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  color: var(--charcoal);
}

.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-field label {
  color: var(--plum-deep);
  font-size: var(--text-sm);
  font-weight: 700;
}

.form-field label > span:not([aria-hidden]) {
  color: var(--muted);
  font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--blush);
  color: var(--charcoal);
}

.form-field input,
.form-field select {
  min-height: 3.2rem;
  padding-inline: var(--space-4);
}

.form-field textarea {
  min-height: 7rem;
  padding: var(--space-3) var(--space-4);
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--plum);
  outline: 3px solid rgba(75, 13, 102, 0.12);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"] {
  border-color: #a12437;
}

.form-status {
  min-height: 1.5rem;
  color: #a12437;
  font-size: var(--text-sm);
  font-weight: 700;
}

.form-status.is-success {
  color: var(--success);
}

.form-note {
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

/* Contact */
.contact-map {
  position: relative;
  overflow: hidden;
  aspect-ratio: 19 / 14;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.contact-content address {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
  color: var(--muted);
}

.contact-content address strong {
  color: var(--plum-deep);
  font-family: var(--font-heading);
  font-size: 1.4rem;
}

.phone-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.phone-list a {
  display: flex;
  padding: var(--space-4);
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.phone-list span {
  color: var(--muted);
  font-size: var(--text-sm);
}

.phone-list strong {
  color: var(--plum);
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.contact-actions .btn {
  width: 100%;
}

/* Footer and floating controls */
.site-footer {
  padding-block: var(--space-8) var(--space-5);
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  gap: var(--space-7);
}

.brand--footer .brand-mark {
  background: var(--rose);
  color: var(--plum-deep);
}

.brand--footer .brand-copy strong,
.site-footer h2 {
  color: var(--white);
}

.brand--footer .brand-logo {
  width: min(16rem, 100%);
}

.brand--footer .brand-copy small {
  color: rgba(255, 255, 255, 0.6);
}

.footer-grid > div > p {
  max-width: 28rem;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}

.site-footer h2 {
  margin-bottom: var(--space-4);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer nav,
.footer-grid > div:last-child {
  display: grid;
  gap: var(--space-2);
}

.site-footer nav a:hover,
.footer-grid > div:last-child a:hover {
  color: var(--rose);
}

.footer-bottom {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.75rem;
}

.medical-disclaimer {
  max-width: 58rem;
}

.whatsapp-float,
.back-to-top {
  position: fixed;
  z-index: 900;
  right: 1rem;
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  font-weight: 800;
}

.whatsapp-float {
  bottom: 1rem;
  background: #176b47;
  color: var(--white);
  font-size: 0.76rem;
}

.whatsapp-float img {
  width: 1.75rem;
  height: 1.75rem;
}

.back-to-top {
  bottom: 4.7rem;
  border: 0;
  background: var(--white);
  color: var(--plum);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.75rem);
  transition: opacity var(--transition), transform var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.noscript-message {
  position: fixed;
  z-index: 3000;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--charcoal);
  color: var(--white);
  text-align: center;
}

/* Scroll reveal: visible by default if JavaScript is unavailable. */
.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 700ms ease, transform 700ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Tablet */
@media (min-width: 40rem) {
  :root {
    --gutter: 1.75rem;
  }

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

  .health-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .appointment-form {
    grid-template-columns: repeat(2, 1fr);
    padding: var(--space-6);
  }

  .form-field--full {
    grid-column: 1 / -1;
  }

  .contact-actions .btn {
    width: auto;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 0.8fr 1fr;
  }
}

/* Desktop */
@media (min-width: 64rem) {
  :root {
    --gutter: 2rem;
  }

  .section {
    padding-block: var(--space-10);
  }

  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    display: flex;
    max-height: none;
    align-items: center;
    gap: 1.5rem;
    overflow: visible;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
  }

  .primary-nav > a:not(.btn) {
    position: relative;
    padding: 1.7rem 0;
    border: 0;
    font-size: 0.84rem;
  }

  .primary-nav > a:not(.btn)::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 1.2rem;
    left: 0;
    height: 2px;
    background: var(--rose);
    transform: scaleX(0);
    transition: transform var(--transition);
  }

  .primary-nav > a:not(.btn).is-active::after,
  .primary-nav > a:not(.btn):hover::after {
    transform: scaleX(1);
  }

  .primary-nav .btn {
    margin-top: 0;
  }

  .hero {
    min-height: calc(100vh - 4.75rem);
    display: grid;
    align-items: center;
    padding-block: var(--space-8);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(24rem, 0.82fr);
    gap: var(--space-9);
  }

  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .trust-item {
    justify-content: center;
    padding-block: var(--space-6);
    border-bottom: 0;
  }

  .trust-item p {
    font-size: var(--text-sm);
  }

  .section-heading {
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.65fr);
    align-items: end;
    margin-bottom: var(--space-8);
  }

  .about-grid,
  .why-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-9);
  }

  .about-content {
    max-width: 34rem;
  }

  .service-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .health-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .journey-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .journey-step:not(:last-child)::after {
    content: "";
    position: absolute;
    z-index: 0;
    top: 3.35rem;
    left: calc(100% - 0.5rem);
    width: calc(var(--space-5) + 1rem);
    border-top: 1px dashed rgba(255, 255, 255, 0.35);
  }

  .testimonial-layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: var(--space-9);
  }

  .faq-layout {
    grid-template-columns: 0.7fr 1.3fr;
    gap: var(--space-9);
    align-items: start;
  }

  .appointment-grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-9);
    align-items: start;
  }

  .contact-content {
    padding-inline: var(--space-5);
  }

  .footer-bottom {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (min-width: 78rem) {
  .brand-logo {
    width: 12.25rem;
  }

  .brand-copy strong {
    font-size: 1.12rem;
  }

  .primary-nav {
    gap: 1.8rem;
  }
}

/* Respect motion preferences and keep content immediately visible. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}