/* ==========================================================================
   Kathmandu Gastro and Liver Centre -- front-end theme
   Palette based on the archived site: white surfaces, medical blue accent,
   deep navy footer.
   ========================================================================== */

:root {
  --color-primary: #2f7bc7;
  --color-primary-dark: #1f5c9c;
  --color-navy: #12233d;
  --color-navy-light: #1b3a5c;
  --color-text: #2c3542;
  --color-text-light: #64707d;
  --color-bg-alt: #f4f8fb;
  --color-border: #e6ecf1;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(18, 35, 61, 0.08);
  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Roboto", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.65;
  background: #fff;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.25;
  margin: 0 0 .6em;
}

p { margin: 0 0 1em; }
a { color: var(--color-primary); text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding: 0; margin: 0; list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  color: var(--color-primary);
  font-size: .82rem;
  margin-bottom: .5em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: 13px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-family: var(--font-heading);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: .95rem;
  transition: all .2s ease;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--outline { border-color: var(--color-primary); color: var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; }
.btn--lg { padding: 16px 34px; font-size: 1rem; }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Topbar ---------- */
.topbar { background: #fff; border-bottom: 1px solid var(--color-border); }
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.topbar__logo { display: flex; align-items: center; gap: 10px; }
.topbar__logo img { max-height: 54px; }
.topbar__logo-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.topbar__logo-text { display: flex; flex-direction: column; font-family: var(--font-heading); line-height: 1.2; }
.topbar__logo-text strong { color: var(--color-navy); font-size: 1.05rem; }
.topbar__logo-text em { color: var(--color-primary); font-style: normal; font-size: .82rem; font-weight: 600; }

.topbar__meta { display: flex; gap: 32px; flex-wrap: wrap; }
.topbar__meta li { display: flex; align-items: center; gap: 10px; color: var(--color-text-light); font-size: .88rem; }
.topbar__meta i { color: var(--color-primary); font-size: 1.1rem; }
.topbar__meta-title { display: block; font-weight: 600; color: var(--color-navy); }
.topbar__meta-sub { display: block; font-size: .8rem; }

.topbar__socials { display: flex; gap: 10px; }
.topbar__socials a {
  width: 34px; height: 34px; border-radius: 50%; background: var(--color-bg-alt);
  color: var(--color-primary); display: flex; align-items: center; justify-content: center;
}
.topbar__socials a:hover { background: var(--color-primary); color: #fff; }

/* ---------- Navbar ---------- */
.navbar { background: #fff; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
.navbar__menu { display: flex; gap: 6px; }
.navbar__menu a {
  display: block; padding: 18px 16px; font-weight: 600; font-family: var(--font-heading);
  color: var(--color-navy); font-size: .93rem; letter-spacing: .02em; border-bottom: 3px solid transparent;
}
.navbar__menu a:hover, .navbar__menu a.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.navbar__cta { margin: 12px 0; border-radius: 0; }
.navbar__toggle {
  display: none; background: none; border: none; font-size: 1.4rem; color: var(--color-navy);
  padding: 14px; cursor: pointer;
}

/* ---------- Messages ---------- */
.site-messages { padding-top: 16px; }
.alert {
  background: #eaf6ee; color: #1f7a3d; border: 1px solid #bfe6cb;
  padding: 12px 18px; border-radius: var(--radius); margin-bottom: 10px; font-weight: 500;
}
.alert--error { background: #fdeceb; color: #b8291f; border-color: #f5c6c2; }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; background: linear-gradient(120deg, #0f2d4d, #1f5c9c 60%, #2f7bc7); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(11,26,46,.88), rgba(15,45,77,.55)); }
.hero__content { position: relative; padding: 130px 20px 150px; max-width: 680px; }
.hero__content h1 { color: #fff; font-size: 2.9rem; margin-bottom: .4em; }
.hero__subtitle { font-size: 1.15rem; color: #dce8f5; max-width: 520px; }
.hero .eyebrow { color: #9fd0ff; }

/* ---------- Highlights ---------- */
.highlights { margin-top: -70px; position: relative; z-index: 5; }
.highlights__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.highlight-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 32px 28px; border-top: 4px solid var(--color-primary);
}
.highlight-card__icon {
  width: 54px; height: 54px; border-radius: 50%; background: var(--color-bg-alt);
  color: var(--color-primary); display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px;
}
.highlight-card a { font-weight: 600; font-size: .9rem; }

/* ---------- Section heading ---------- */
.section-heading { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-heading--light .eyebrow { color: #9fd0ff; }
.section-heading--light h2 { color: #fff; }

section { padding: 90px 0; }

/* ---------- About doctor ---------- */
.about-doctor { background: var(--color-bg-alt); }
.about-doctor__grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: center; }
.about-doctor__media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.media-placeholder {
  aspect-ratio: 4/5; background: #dfe9f2; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--color-primary); font-size: 3rem;
}
.checklist li { display: flex; gap: 10px; margin-bottom: 8px; color: var(--color-text); }
.checklist i { color: var(--color-primary); margin-top: 3px; }

/* ---------- Services ---------- */
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 34px 28px; transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.service-card__icon {
  width: 58px; height: 58px; border-radius: 14px; background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 18px;
}
.service-card h3 { font-size: 1.15rem; }
.service-card h3 a { color: var(--color-navy); }
.service-card__link { font-weight: 600; font-size: .88rem; }
.service-card__price { color: var(--color-primary); font-weight: 700; }

/* ---------- Testimonials ---------- */
.testimonials { background: var(--color-navy); }
.testimonials__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.testimonial-card { background: var(--color-navy-light); border-radius: var(--radius); padding: 30px; color: #dce8f5; }
.testimonial-card__stars { color: #ffb84d; margin-bottom: 14px; }
.testimonial-card__stars .is-empty { color: rgba(255,255,255,.25); }
.testimonial-card__author { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.testimonial-card__author img, .avatar-placeholder {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover; background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.testimonial-card__author strong { display: block; color: #fff; }
.testimonial-card__author span { font-size: .82rem; color: #9fb4cc; }

/* ---------- Why choose us ---------- */
.why-us__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.why-us__item { display: flex; gap: 18px; }
.why-us__icon {
  flex: none; width: 50px; height: 50px; border-radius: 50%; background: var(--color-bg-alt);
  color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.why-us__item h3 { font-size: 1.02rem; margin-bottom: .3em; }
.why-us__item p { font-size: .92rem; color: var(--color-text-light); margin: 0; }

/* ---------- Appointment ---------- */
.appointment { background: var(--color-bg-alt); }
.appointment__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.appointment__contact { margin-top: 20px; }
.appointment__contact li { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-weight: 500; }
.appointment__contact i { color: var(--color-primary); }
.appointment__form {
  background: #fff; padding: 34px; border-radius: var(--radius); box-shadow: var(--shadow);
  display: grid; gap: 16px;
}
.form-control, .form-select, textarea, input[type="text"], input[type="email"], input[type="date"], select {
  width: 100%; padding: 13px 16px; border: 1px solid var(--color-border); border-radius: 6px;
  font-family: var(--font-body); font-size: .95rem; color: var(--color-text); background: #fff;
}
textarea { resize: vertical; }

/* ---------- Page header ---------- */
.page-header { background: var(--color-navy); color: #fff; padding: 60px 0; text-align: center; }
.page-header h1 { color: #fff; margin-bottom: .3em; }
.breadcrumb { color: #9fb4cc; font-size: .88rem; }
.breadcrumb a { color: #cfe1f2; }

/* ---------- Doctors ---------- */
.doctors-list__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.doctor-card { display: grid; grid-template-columns: 220px 1fr; gap: 26px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.doctor-card__media img { height: 100%; object-fit: cover; }
.doctor-card__body { padding: 26px 26px 26px 0; }
.doctor-card__title { color: var(--color-primary); font-weight: 600; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag { background: var(--color-bg-alt); color: var(--color-primary); padding: 5px 12px; border-radius: 20px; font-size: .78rem; font-weight: 600; }

/* ---------- Service detail ---------- */
.service-detail__grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; }
.service-detail__image { border-radius: var(--radius); margin-bottom: 24px; }
.service-detail__sidebar { background: var(--color-bg-alt); padding: 26px; border-radius: var(--radius); height: fit-content; }
.service-detail__sidebar li { margin-bottom: 6px; }
.service-detail__sidebar a { display: flex; gap: 10px; padding: 10px 12px; border-radius: 6px; color: var(--color-navy); font-weight: 500; }
.service-detail__sidebar a:hover { background: #fff; color: var(--color-primary); }

/* ---------- Blog ---------- */
.blog-list__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.blog-card__media img { height: 190px; width: 100%; object-fit: cover; }
.blog-card__media .media-placeholder { aspect-ratio: auto; height: 190px; border-radius: 0; }
.blog-card__body { padding: 22px; }
.blog-card__meta { font-size: .82rem; color: var(--color-text-light); }
.blog-detail__grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; }
.blog-detail__image { border-radius: var(--radius); margin-bottom: 24px; }
.blog-detail__sidebar { background: var(--color-bg-alt); padding: 26px; border-radius: var(--radius); height: fit-content; }
.blog-detail__sidebar li { margin-bottom: 10px; }

/* ---------- Contact ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact__map { margin-top: 26px; border-radius: var(--radius); overflow: hidden; }

/* ---------- Footer ---------- */
.footer { background: var(--color-navy); color: #b9c8d9; padding-top: 70px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; }
.footer__logo { color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; display: block; margin-bottom: 14px; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer ul li { margin-bottom: 10px; }
.footer a { color: #b9c8d9; }
.footer a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer__contact i { color: var(--color-primary); margin-top: 3px; }
.footer__socials { display: flex; gap: 10px; margin-top: 16px; }
.footer__socials a { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: .85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .highlights__grid, .why-us__grid, .services__grid, .blog-list__grid { grid-template-columns: repeat(2, 1fr); }
  .about-doctor__grid, .appointment__grid, .contact__grid, .service-detail__grid, .blog-detail__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .doctors-list__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topbar__meta { display: none; }
  .navbar__toggle { display: block; }
  .navbar__menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    flex-direction: column; box-shadow: var(--shadow); padding: 10px 20px;
  }
  .navbar__menu.is-open { display: flex; }
  .navbar__inner { position: relative; }
  .navbar__cta { display: none; }
  .hero__content h1 { font-size: 2.1rem; }
  .highlights__grid, .why-us__grid, .services__grid, .blog-list__grid { grid-template-columns: 1fr; }
  .doctor-card { grid-template-columns: 1fr; }
  .doctor-card__body { padding: 0 20px 20px; }
  section { padding: 60px 0; }
}