/* Cardio Clinic palette — from ClinicBrain / app.cardioclinicpk.com */
:root {
  --bg: rgb(243, 246, 251);
  --bg-soft: rgb(244, 247, 251);
  --surface: rgb(255, 255, 255);
  --text: rgb(71, 85, 105);
  --text-strong: rgb(15, 23, 42);
  --muted: rgb(100, 116, 139);
  --line: rgb(221, 229, 238);
  --primary: rgb(14, 181, 201);
  --primary-dark: rgb(8, 138, 155);
  --primary-soft: rgb(207, 242, 247);
  --secondary: rgb(99, 102, 241);
  --green: rgb(16, 185, 129);
  --orange: rgb(249, 115, 22);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --radius: 18px;
  --max: 1120px;
  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(14, 181, 201, 0.16), transparent 55%),
    radial-gradient(900px 420px at 90% 5%, rgba(99, 102, 241, 0.08), transparent 50%),
    linear-gradient(180deg, #eef5fa 0%, var(--bg) 28%, #f7fafc 100%);
  line-height: 1.65;
}

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

a {
  color: var(--primary-dark);
  text-decoration: none;
}

a:hover {
  color: var(--primary);
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(243, 246, 251, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-strong);
  font-weight: 700;
}

.brand-photo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 0 0 2px rgba(14, 181, 201, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.brand-text span {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 560;
}

.nav-links a:hover {
  color: var(--primary-dark);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 12px;
  background: var(--primary);
  color: #fff !important;
  font-weight: 650;
  box-shadow: 0 8px 20px rgba(14, 181, 201, 0.28);
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text-strong);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: stretch;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 12% 18%, rgba(14, 181, 201, 0.22), transparent 58%),
    radial-gradient(700px 420px at 88% 12%, rgba(8, 138, 155, 0.16), transparent 55%),
    linear-gradient(145deg, #0b1c2e 0%, #123247 48%, #0e4f5c 100%);
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  min-height: calc(85vh - 72px);
  padding-block: clamp(2rem, 5vh, 4rem);
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  max-width: 640px;
}

.hero-kicker {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-soft);
  font-weight: 650;
  opacity: 0;
  animation: riseIn 0.7s ease forwards 0.1s;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  opacity: 0;
  animation: riseIn 0.8s ease forwards 0.22s;
}

.hero-lead {
  margin: 1.1rem 0 0;
  max-width: 34rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  opacity: 0;
  animation: riseIn 0.8s ease forwards 0.36s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
  opacity: 0;
  animation: riseIn 0.8s ease forwards 0.5s;
}

.hero-portrait {
  margin: 0;
  width: min(100%, 420px);
  justify-self: end;
  align-self: center;
  aspect-ratio: 1 / 1;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(207, 242, 247, 0.12);
  box-shadow:
    0 0 0 6px rgba(14, 181, 201, 0.18),
    0 24px 48px rgba(0, 0, 0, 0.28);
  opacity: 0;
  animation: riseIn 0.9s ease forwards 0.28s;
}

.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-photo {
  margin: 0 0 1.35rem;
  max-width: 220px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 0 0 4px rgba(14, 181, 201, 0.15),
    var(--shadow);
}

.about-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.9rem 1.3rem;
  border-radius: 12px;
  border: 0;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-dark {
  background: var(--text-strong);
  color: #fff;
}

.btn-dark:hover {
  background: #1e293b;
  color: #fff;
}

section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.2rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.55rem);
  color: var(--text-strong);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-head p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

.about-copy p {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}

.stat {
  padding: 1.1rem 1rem;
  border-top: 2px solid var(--primary);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.85rem;
  color: var(--text-strong);
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.about-panel {
  background: linear-gradient(165deg, rgba(207, 242, 247, 0.7), rgba(255, 255, 255, 0.95));
  border: 1px solid rgba(14, 181, 201, 0.18);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.about-panel h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  color: var(--text-strong);
  font-size: 1.25rem;
}

.qual-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.qual-list li {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.qual-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.qual-list strong {
  display: block;
  color: var(--text-strong);
}

.qual-list span {
  font-size: 0.92rem;
  color: var(--muted);
}

/* Services */
.services {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(700px 280px at 80% 20%, rgba(14, 181, 201, 0.1), transparent 60%);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 2rem;
}

.feature-item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.feature-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-strong);
}

.feature-item p {
  margin: 0;
  color: var(--muted);
}

.chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 2rem;
}

.chip {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(14, 181, 201, 0.1);
  color: var(--primary-dark);
  font-size: 0.86rem;
  font-weight: 600;
}

.conditions {
  background: #fff;
}

.condition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem 1.25rem;
}

.condition-grid li {
  list-style: none;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-strong);
  font-weight: 560;
}

.condition-grid {
  margin: 0;
  padding: 0;
}

/* Clinics */
.clinic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.clinic-tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.clinic-tab.is-active,
.clinic-tab:hover {
  background: var(--primary-soft);
  border-color: rgba(14, 181, 201, 0.35);
  color: var(--primary-dark);
}

.clinic-panels {
  position: relative;
}

.clinic-panel {
  display: none;
  background: linear-gradient(145deg, #fff, #f4fbfc);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  box-shadow: var(--shadow);
}

.clinic-panel.is-active {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  animation: fadePanel 0.35s ease;
}

.clinic-panel h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  color: var(--text-strong);
  font-size: 1.4rem;
}

.clinic-panel p {
  margin: 0 0 0.85rem;
}

.clinic-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-strong);
  font-weight: 650;
}

.timing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.timing-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.95rem;
}

.timing-list span:first-child {
  color: var(--muted);
}

.timing-list span:last-child {
  color: var(--text-strong);
  font-weight: 600;
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.review {
  padding: 1.4rem 0 0;
  border-top: 2px solid var(--primary);
}

.review blockquote {
  margin: 0;
  color: var(--text-strong);
  font-size: 1.02rem;
}

.review footer {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.review strong {
  color: var(--text-strong);
}

/* Contact */
.contact {
  background:
    linear-gradient(160deg, rgba(14, 181, 201, 0.12), rgba(243, 246, 251, 0.2) 40%, transparent),
    #fff;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.contact-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.55rem);
  color: var(--text-strong);
}

.contact-copy p {
  margin: 0.8rem 0 1.25rem;
  color: var(--muted);
}

.contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-strong);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form {
  display: grid;
  gap: 0.9rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--text-strong);
}

.appt-type {
  margin: 0;
  padding: 0;
  border: 0;
  display: grid;
  gap: 0.45rem;
}

.appt-type legend {
  padding: 0;
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--text-strong);
}

.appt-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  padding: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
}

.appt-option {
  position: relative;
  margin: 0;
  cursor: pointer;
}

.appt-option input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}

.appt-option span {
  display: grid;
  place-items: center;
  min-height: 2.6rem;
  border-radius: 9px;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--muted);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.appt-option input:checked + span {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.08);
}

.appt-option input:focus-visible + span {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  font: inherit;
  color: var(--text-strong);
  background: var(--bg-soft);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 181, 201, 0.18);
}

.form textarea {
  min-height: 110px;
  resize: vertical;
}

.form-note {
  margin: 0;
  min-height: 1.3em;
  font-size: 0.92rem;
}

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

.form-note.is-error {
  color: #b91c1c;
}

.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.site-footer {
  padding: 1.5rem 0 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.1);
  }
}

@keyframes fadePanel {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}


/* Why choose */
.why {
  background:
    radial-gradient(700px 280px at 10% 0%, rgba(14, 181, 201, 0.1), transparent 60%),
    #fff;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 2rem;
}

.why-item {
  padding: 1.35rem 0;
  border-top: 2px solid var(--primary);
}

.why-item .why-index {
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.04em;
}

.why-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--text-strong);
}

.why-item p {
  margin: 0;
  color: var(--muted);
}

/* FAQ */
.faq {
  background:
    linear-gradient(180deg, rgba(243, 246, 251, 0.9), #fff 40%);
}

.faq-list {
  display: grid;
  gap: 0.65rem;
  max-width: 820px;
}

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

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 650;
  color: var(--text-strong);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-item[open] summary::after {
  content: "–";
  background: var(--primary);
  color: #fff;
}

.faq-item .faq-answer {
  margin: 0;
  padding: 0 0 1.15rem;
  color: var(--muted);
  max-width: 46rem;
}

@media (max-width: 960px) {
  .about-grid,
  .contact-layout,
  .clinic-panel.is-active {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .hero-portrait {
    width: min(100%, 320px);
    justify-self: end;
    border-radius: 24px;
  }

  .feature-grid,
  .reviews-grid,
  .condition-grid,
  .why-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    border-top: 1px solid var(--line);
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0.2rem;
  }

  .nav-cta {
    margin-top: 0.35rem;
    width: 100%;
  }

  .stat-row,
  .feature-grid,
  .reviews-grid,
  .condition-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 1.5rem;
  }

  .hero-portrait {
    order: -1;
    width: min(100%, 280px);
    justify-self: start;
    border-radius: 22px;
  }
}