/*
  EUREKA LIFELINE FERTILITY AGENCY - Main Stylesheet
  Color scheme: Purple (primary), Blue (accent), White (background)
  Typography: Montserrat (Headings), Open Sans (Body)
  BEM methodology
*/
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Open+Sans:wght@400;600&display=swap');

:root {
  --primary: #6A1B9A;
  --accent: #42A5F5;
  --white: #fff;
  --gray: #f3f4f6;
  --text: #333333;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
  --radius: 1.25rem;
  --shadow: 0 4px 24px rgba(106,27,154,0.10);
  --shadow-hover: 0 8px 32px rgba(66,165,245,0.13);
  --section-padding: 4rem 1.5rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.7;
}

/* Header & Navigation */
.header {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(106,27,154,0.07);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #ececec;
}
.header__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
}
.header__logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2rem;
  color: var(--primary);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.header__logo::before {
  content: '\1F476'; /* baby emoji as logo icon */
  font-size: 1.5rem;
  vertical-align: middle;
}
.header__menu {
  display: flex;
  gap: 2rem;
}
.header__link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-heading);
  transition: color var(--transition), border-bottom var(--transition);
  padding-bottom: 0.2rem;
  border-bottom: 2px solid transparent;
}
.header__link:hover,
.header__link.active {
  color: var(--primary);
  border-bottom: 2px solid var(--accent);
}
.header__toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem 1.5rem;
  position: relative;
  background: linear-gradient(120deg, rgba(106,27,154,0.92) 60%, rgba(66,165,245,0.85) 100%), url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
  letter-spacing: 1px;
  animation: fadeInDown 1s both;
}
.hero__tagline {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 2.2rem;
  animation: fadeInUp 1.2s both;
}
.hero__cta {
  background: var(--accent);
  color: var(--white);
  border: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.9rem 2.5rem;
  border-radius: 2rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  animation: fadeIn 1.5s both;
}
.hero__cta:hover {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.04);
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* About Section */
.about {
  background: var(--gray);
  padding: var(--section-padding);
  text-align: center;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 2px 12px rgba(66,165,245,0.04);
}
.about__title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  color: var(--primary);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}
.about__title::before {
  content: '\1F4D6'; /* book icon */
  font-size: 1.5rem;
}
.about__desc {
  max-width: 700px;
  margin: 0 auto 2rem auto;
  font-size: 1.13rem;
  color: #444;
  text-align: center;
}
.about__stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2.2rem;
}
.about__stat {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.7rem 2.7rem;
  font-family: var(--font-heading);
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.about__stat:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px) scale(1.04);
}
.about__stat::before {
  font-size: 2rem;
  margin-bottom: 0.3rem;
}
.about__stat:first-child::before {
  content: '\1F476'; /* baby icon */
}
.about__stat:last-child::before {
  content: '\1F3E5'; /* hospital icon */
}

/* Services Section */
.services {
  padding: var(--section-padding);
  background: var(--white);
}
.services__title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}
.services__title::before {
  content: '\1F4AA'; /* muscle icon */
  font-size: 1.5rem;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.service-card {
  background: var(--gray);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.2rem 1.7rem;
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.service-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(120deg, #f3e6fa 60%, #e3f1fc 100%);
}
.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.service-card__title::before {
  content: '\1F4CB'; /* clipboard icon */
  font-size: 1.2rem;
  color: var(--primary);
}
.service-card__desc {
  font-size: 1rem;
  color: var(--text);
}

/* FAQ Section */
.faq {
  background: var(--gray);
  padding: var(--section-padding);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(66,165,245,0.04);
}
.faq__title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}
.faq__title::before {
  content: '\2753'; /* question mark icon */
  font-size: 1.5rem;
}
.faq__categories {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.faq__category-btn {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  margin-bottom: 0.5rem;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(106,27,154,0.07);
}
.faq__category-btn.active,
.faq__category-btn:hover {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-hover);
}
.faq__accordion {
  max-width: 800px;
  margin: 0 auto;
}
.faq__item {
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 1.2rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.faq__item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.faq__question {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--accent);
  padding: 1.2rem 2rem;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  outline: none;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  transition: background var(--transition);
  position: relative;
}
.faq__question::before {
  content: '\25B6'; /* right-pointing triangle */
  font-size: 1.1rem;
  color: var(--primary);
  transition: transform 0.3s;
  display: inline-block;
}
.faq__question.active::before {
  transform: rotate(90deg);
}
.faq__question.active {
  background: var(--gray);
}
.faq__answer {
  padding: 0 2rem 1.2rem 2rem;
  color: var(--text);
  font-size: 1rem;
  display: none;
  animation: fadeIn 0.5s;
}
.faq__answer.open {
  display: block;
}

.contact {
  background: var(--white);
  padding: var(--section-padding);
}
.contact__title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
}
.contact__title::before {
  content: '\2709'; /* envelope icon */
  font-size: 1.5rem;
}
.contact__form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--gray);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
}
.contact__input,
.contact__textarea {
  padding: 1.1rem;
  border-radius: 0.7rem;
  border: 1.5px solid #e5e7eb;
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--white);
  resize: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact__input:focus,
.contact__textarea:focus {
  outline: 2px solid var(--accent);
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--accent);
}
.contact__input:invalid,
.contact__textarea:invalid {
  border-color: #e53935;
}
.contact__submit {
  background: var(--primary);
  color: var(--white);
  border: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.85rem 2.2rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow);
}
.contact__submit:hover {
  background: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.04);
}
.contact__info {
  text-align: center;
  margin-top: 2rem;
  color: var(--text);
}
.contact__domain {
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-heading);
}

/* Footer */
.footer {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 2rem 1rem 1rem 1rem;
  font-size: 1rem;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -2px 12px rgba(66,165,245,0.04);
}
.footer__links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.footer__link {
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  transition: color var(--transition), border-bottom var(--transition);
  border-bottom: 2px solid transparent;
  padding-bottom: 0.1rem;
}
.footer__link:hover {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}
.footer__socials {
  margin: 1rem 0;
}
.footer__icon {
  display: inline-block;
  width: 32px;
  height: 32px;
  margin: 0 0.5rem;
  fill: var(--white);
  transition: fill var(--transition), transform var(--transition);
}
.footer__icon:hover {
  fill: var(--accent);
  transform: scale(1.15) rotate(-8deg);
}

/* Responsive */
@media (max-width: 900px) {
  .header__toggle {
    display: block;
    z-index: 120;
  }
  .header__menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    box-shadow: 0 8px 32px rgba(66,165,245,0.13);
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--transition), padding 0.3s;
    padding: 0 2rem;
  }
  .header__menu.open {
    max-height: 400px;
    padding: 1rem 2rem 1.5rem 2rem;
    transition: max-height 0.45s var(--transition), padding 0.3s;
  }
  .header__link {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid #ececec;
    font-size: 1.1rem;
  }
  .header__link:last-child {
    border-bottom: none;
  }
  .about__stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  .services__grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 700px) {
  .header__nav {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  .footer__links {
    flex-direction: column;
    gap: 1rem;
  }
  .hero__title {
    font-size: 2rem;
  }
  .about__title,
  .services__title,
  .faq__title,
  .contact__title {
    font-size: 1.4rem;
  }
}
@media (max-width: 600px) {
  .header__logo {
    font-size: 1.3rem;
  }
  .header__nav {
    padding: 0.7rem 0.7rem;
  }
  .hero {
    padding: 4.5rem 0.5rem 2.5rem 0.5rem;
    min-height: 60vh;
  }
  .about,
  .services,
  .faq,
  .contact {
    padding: 2.2rem 0.5rem;
  }
  .about__desc,
  .service-card__desc,
  .faq__answer {
    font-size: 0.98rem;
  }
  .footer {
    padding: 1.2rem 0.5rem 0.7rem 0.5rem;
    font-size: 0.95rem;
  }
}

/* --- Accessibility: Focus Styles for Nav --- */
.header__link:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

/* --- Hamburger Animation (optional) --- */
.header__toggle[aria-expanded="true"] {
  color: var(--accent);
  transform: rotate(90deg);
  transition: transform 0.3s;
}

/* Preloader */
#preloader {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s;
}
.preloader__spinner {
  border: 6px solid var(--gray);
  border-top: 6px solid var(--primary);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}