/*=============== GOOGLE FONTS ===============*/
@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap");

/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;

  /*========== Colors ==========*/
  --first-color: hsl(180, 100%, 25%);
  --first-color-alt: hsl(180, 100%, 15%);
  --second-color: hsl(200, 85%, 64%);
  --title-color: hsl(218, 48%, 22%);
  --text-color: hsl(218, 8%, 36%);
  --text-color-light: hsl(218, 8%, 54%);
  --white-color: #ffffff;
  --white-color-light: hsl(218, 48%, 80%);
  --dark-color: hsl(180, 100%, 15%);
  --gray-color: hsl(180, 20%, 92%);
  
  /* Section background alternate variables */
  --body-color: #ffffff;
  --section-alt-color: hsl(180, 35%, 96%);

  /*========== Font and typography ==========*/
  --body-font: "Montserrat", sans-serif;
  --biggest-font-size: 2.25rem;
  --bigger-font-size: 1.75rem;
  --h1-font-size: 1.5rem;
  --h2-font-size: 1.25rem;
  --h3-font-size: 1rem;
  --normal-font-size: 0.938rem;
  --small-font-size: 0.813rem;

  /*========== Font weight ==========*/
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;

  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/*========== Responsive typography ==========*/
@media screen and (min-width: 1150px) {
  :root {
    --biggest-font-size: 3.5rem;
    --bigger-font-size: 3rem;
    --h1-font-size: 2.25rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.25rem;
    --normal-font-size: 1rem;
    --small-font-size: 0.875rem;
  }
}

/*=============== BASE ===============*/
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  -webkit-tap-highlight-color: transparent; /* Fix blue tap highlight on mobile Chrome */
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
  transition: background-color 0.4s, color 0.4s;
  overflow-x: hidden;
  width: 100%;
}

h1, h2, h3, h4 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  width: max-content;
}

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

/*=============== THEME ===============*/
.dark-theme {
  --title-color: hsl(218, 48%, 95%);
  --text-color: hsl(218, 24%, 75%);
  --gray-color: hsl(218, 24%, 20%);
  --body-color: hsl(218, 24%, 8%);
  --section-alt-color: hsl(218, 24%, 12%);
}

.dark-theme :is(.shadow-header, .scrollup) {
  box-shadow: 0 2px hsla(218, 68%, 4%, 0.7);
}

.dark-theme .nav__menu {
  box-shadow: 0 4px 16px hsla(218, 68%, 4%, 0.7);
  background-color: var(--first-color-alt);
}

.dark-theme .doctors__card,
.dark-theme .service__card,
.dark-theme .appointment__form {
  background-color: var(--section-alt-color);
  border-color: var(--gray-color);
}

.dark-theme .footer__link,
.dark-theme .footer__logo {
  color: var(--title-color);
}

.dark-theme .form__group input,
.dark-theme .form__group select,
.dark-theme .form__group textarea {
  background-color: var(--body-color);
  border-color: var(--gray-color);
  color: var(--title-color);
}

.dark-theme .phone__prefix {
  background-color: var(--gray-color);
  border-color: var(--gray-color);
  color: var(--title-color);
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 1120px;
  margin-inline: 1.5rem;
}

@media screen and (max-width: 350px) {
  .container {
    margin-inline: 1rem;
  }
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.section {
  padding-block: 5rem 3rem;
  width: 100%;
}

/* SECTION ALTERNATING BACKGROUNDS */
.home {
  background-color: var(--body-color);
}

.service {
  background-color: var(--section-alt-color);
}

.doctors {
  background-color: var(--body-color);
}

.appointment {
  background-color: var(--section-alt-color);
}

.contact {
  background-color: var(--body-color);
}

.section__title {
  text-align: center;
  font-size: var(--bigger-font-size);
  margin-bottom: 1rem;
}

.main {
  padding-top: var(--header-height);
  overflow: hidden;
}

/*=============== HEADER & NAV ===============*/
.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background-color: var(--first-color);
  z-index: var(--z-fixed);
  transition: background-color 0.4s, box-shadow 0.4s;
}

.nav {
  position: relative;
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  column-gap: 0.25rem;
  color: var(--white-color) !important;
  font-weight: var(--font-semi-bold);
}

.nav__logo i {
  font-size: 1.5rem;
  color: var(--white-color) !important;
}

.nav__buttons {
  display: flex;
  align-items: center;
  column-gap: 1.25rem;
}

.nav__toggle,
.nav__close,
.nav__theme {
  display: inline-flex;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--white-color) !important;
  z-index: calc(var(--z-modal) + 1);
}

/* MOBILE NAV MENU FIX */
@media screen and (max-width: 1149px) {
  .nav__menu {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    background-color: var(--first-color-alt);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    padding-block: 4.5rem 3rem;
    transition: top 0.4s ease-in-out;
    z-index: var(--z-modal);
  }
}

.nav__list {
  text-align: center;
  display: flex;
  flex-direction: column;
  row-gap: 1.5rem;
}

.nav__link {
  font-weight: var(--font-semi-bold);
  color: var(--white-color-light) !important;
  transition: color 0.3s;
}

.nav__link:hover,
.active-link {
  color: var(--white-color) !important;
}

.nav__close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

/* Show menu class triggered by JavaScript */
.show-menu {
  top: 0 !important;
}

.shadow-header {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
}

/*=============== BUTTONS ===============*/
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: var(--first-color) !important;
  color: var(--white-color) !important;
  font-weight: var(--font-semi-bold);
  padding: 0.85rem 1.75rem;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

.button:hover {
  background-color: var(--first-color-alt) !important;
}

.button-dark {
  background-color: var(--dark-color) !important;
  color: var(--white-color) !important;
  font-weight: var(--font-semi-bold);
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
}

/*=============== HOME ===============*/
.home__description {
  text-align: center;
  margin-bottom: 1.5rem;
}

.home__content {
  background-color: var(--first-color);
  padding: 2rem 1.5rem;
  border-radius: 1.5rem;
  color: var(--white-color);
}

.home__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.home__name {
  font-size: var(--h1-font-size);
  color: var(--white-color);
  margin-bottom: 0.5rem;
}

.home__profession {
  font-size: var(--normal-font-size);
  font-weight: var(--font-regular);
  color: var(--white-color-light);
  margin-bottom: 0.75rem;
}

.home__icons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.home__box {
  background-color: var(--first-color-alt);
  color: var(--white-color) !important;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 0.5rem;
  font-size: 1.25rem;
}

.home__img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

/*=============== SERVICES ===============*/
.service__description {
  text-align: center;
  margin-bottom: 2rem;
}

.service__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.service__card {
  background-color: var(--body-color);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--gray-color);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  width: 100%;
}

.service__icon {
  width: 44px;
  height: 44px;
  background-color: var(--first-color);
  color: var(--white-color) !important;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service__subtitle {
  font-size: var(--h3-font-size);
  margin-bottom: 0.5rem;
}

.service__btn {
  margin-top: auto;
  font-size: var(--small-font-size);
}

/*=============== DOCTORS ===============*/
.doctors__description {
  text-align: center;
  margin-bottom: 2rem;
}

.doctors__content {
  position: relative;
}

.doctors__box {
  display: none;
}

.doctors__swiper {
  width: 100%;
  max-width: 400px;
  margin-inline: auto;
  padding-bottom: 3rem;
}

.doctors__card {
  background-color: var(--body-color);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--gray-color);
}

.doctors__heading {
  background-color: var(--first-color);
  padding: 1rem;
  color: var(--white-color);
}

.doctors__number {
  font-size: var(--h2-font-size);
  color: var(--white-color);
}

.doctors__title {
  font-size: var(--small-font-size);
  color: var(--white-color-light);
}

.doctors__list {
  padding: 1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.doctors__item__det {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: var(--small-font-size);
}

.doctors__item__det i {
  color: var(--first-color) !important;
  margin-right: 0.25rem;
}

/*=============== APPOINTMENT FORM FIXES ===============*/
.appointment__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.appointment__form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  width: 100%;
  max-width: 650px;
  margin: 0 auto;
  background-color: var(--body-color);
  padding: 1.75rem 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--gray-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.form__group label {
  font-weight: var(--font-medium);
  color: var(--title-color);
}

/* Normalize Form Controls to standard Teal accents instead of system blue */
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-color);
  border-radius: 0.5rem;
  background-color: var(--body-color);
  color: var(--text-color);
  font-family: inherit;
  font-size: var(--normal-font-size);
  outline: none;
  -webkit-appearance: none; /* Removes default iOS/Android inner shadows */
  appearance: none;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--first-color);
}

.phone__input {
  display: flex;
  align-items: center;
  width: 100%;
}

.phone__prefix {
  padding: 0.75rem 1rem;
  background-color: var(--gray-color);
  border: 1px solid var(--gray-color);
  border-radius: 0.5rem 0 0 0.5rem;
  font-weight: var(--font-medium);
  color: var(--title-color);
}

.phone__input input {
  border-radius: 0 0.5rem 0.5rem 0;
}

.form__button {
  width: 100%;
  margin-top: 1rem;
}

/*=============== CONTACT ===============*/
.contact__container {
  row-gap: 2rem;
}

.contact__description {
  text-align: center;
  margin-bottom: 2rem;
}

.contact__info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.contact__icon {
  width: 44px;
  height: 44px;
  background-color: var(--first-color);
  color: var(--white-color) !important;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  margin: 0 auto 0.5rem;
  font-size: 1.25rem;
}

.contact__social {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.contact__social-link {
  font-size: 1.25rem;
  color: var(--first-color) !important;
}

.contact__map {
  width: 100%;
  height: 300px;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--gray-color);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
}

/*=============== FOOTER ===============*/
.footer {
  padding-block: 3rem 2rem;
  background-color: var(--section-alt-color);
  border-top: 1px solid var(--gray-color);
}

.footer__container {
  row-gap: 1.5rem;
  text-align: center;
}

.footer__logo {
  justify-content: center;
  font-size: var(--h2-font-size);
  color: var(--title-color) !important;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.footer__logo i {
  color: var(--first-color) !important;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer__link {
  color: var(--title-color) !important;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.footer__social-link {
  font-size: 1.25rem;
  color: var(--first-color) !important;
}

.footer__copy {
  display: block;
  margin-top: 3rem;
  text-align: center;
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

/*=============== SCROLL UP ===============*/
.scrollup {
  position: fixed;
  right: 1rem;
  bottom: -50%;
  background-color: var(--body-color);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  color: var(--title-color) !important;
  padding: 0.5rem;
  border-radius: 0.5rem;
  z-index: var(--z-tooltip);
  transition: bottom 0.4s;
}

.show-scroll {
  bottom: 3rem;
}

/*=============== MEDIA QUERIES ===============*/
@media screen and (min-width: 600px) {
  .appointment__form {
    grid-template-columns: repeat(2, 1fr);
    padding: 2rem;
  }

  .full-width {
    grid-column: span 2;
  }
}

@media screen and (min-width: 968px) {
  .home__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .contact__container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .footer__container {
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
  }

  .footer__logo {
    justify-content: flex-start;
  }

  .footer__social {
    justify-content: flex-end;
  }
}

@media screen and (min-width: 1150px) {
  .container {
    margin-inline: auto;
  }

  .nav {
    height: calc(var(--header-height) + 1.5rem);
  }

  .nav__toggle,
  .nav__close {
    display: none;
  }

  .nav__menu {
    position: static;
    background-color: transparent;
    padding-block: 0;
    box-shadow: none;
  }

  .nav__list {
    flex-direction: row;
    column-gap: 3rem;
  }
}