/* ====================================================
   Garden State Clinical Research — New Jersey
   Clinical Research Site | Style Sheet
   ==================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors — Clinical / Professional */
  --navy:       #0D2744;
  --navy-light: #1B3A5C;
  --green:      #00A651;
  --green-dark: #008A43;
  --teal:       #17A2B8;
  --teal-dark:  #128A9E;
  --white:      #FFFFFF;
  --off-white:  #F8F9FA;
  --gray-100:   #F1F3F5;
  --gray-200:   #E9ECEF;
  --gray-400:   #ADB5BD;
  --gray-600:   #6C757D;
  --gray-800:   #343A40;
  --text-dark:  #1A1A2E;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', 'Helvetica Neue', sans-serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --radius: 6px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 200ms var(--ease);
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--transition), opacity var(--transition); }
ul[role="list"] { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  text-wrap: balance;
}

/* ---------- TOP BAR ---------- */
.top-bar {
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.3px;
}

.top-bar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top-bar__left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-bar__phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.top-bar__phone:hover { opacity: 0.85; }

.top-bar__divider { opacity: 0.4; }
.top-bar__lang { opacity: 0.85; font-style: italic; }

.top-bar__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar__social {
  display: flex;
  gap: 12px;
  align-items: center;
}

.top-bar__social a {
  opacity: 0.75;
  transition: opacity var(--transition);
  display: flex;
}

.top-bar__social a:hover { opacity: 1; }

.top-bar__cta {
  display: inline-block;
  padding: 5px 16px;
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 1.5px;
  transition: background var(--transition), border-color var(--transition);
}

.top-bar__cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* ---------- HEADER ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-svg {
  height: 42px;
  width: auto;
}

/* Hamburger */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 110;
}

.header__toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.header__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Nav */
.header__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--navy);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.header__link:hover,
.header__link--active {
  color: var(--green);
}

/* Dropdown */
.header__dropdown {
  position: relative;
}

.header__link--dropdown svg {
  transition: transform var(--transition);
}

.header__dropdown:hover .header__link--dropdown svg,
.header__link--dropdown[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.header__submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.header__dropdown:hover .header__submenu,
.header__submenu--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__submenu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  transition: background var(--transition), color var(--transition);
}

.header__submenu a:hover {
  background: var(--gray-100);
  color: var(--green);
}

/* ---------- HERO SLIDER ---------- */
.hero {
  position: relative;
  width: 100%;
  height: clamp(420px, 60vw, 640px);
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 800ms ease;
  pointer-events: none;
}

.hero__slide--active {
  opacity: 1;
  pointer-events: auto;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

/* Gradient backgrounds for the hero slides */
.hero__bg--1 {
  background: linear-gradient(135deg, #0D2744 0%, #1B3A5C 40%, #17A2B8 100%);
}

.hero__bg--2 {
  background: linear-gradient(135deg, #008A43 0%, #0D2744 60%, #1B3A5C 100%);
}

.hero__bg--3 {
  background: linear-gradient(135deg, #1B3A5C 0%, #17A2B8 50%, #00A651 100%);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 39, 68, 0.55);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.hero__title {
  color: var(--white);
  font-size: clamp(1.75rem, 1rem + 3vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 12px;
  max-width: 600px;
}

.hero__wave {
  width: 100px;
  margin-bottom: 16px;
}

.hero__wave svg {
  width: 100%;
  height: auto;
}

.hero__text {
  color: rgba(255,255,255,0.9);
  font-size: clamp(0.9rem, 0.85rem + 0.3vw, 1.05rem);
  max-width: 520px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero__cta {
  display: inline-block;
  padding: 12px 32px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.hero__cta:hover {
  background: var(--navy-light);
}

.hero__cta--teal {
  background: var(--teal);
}

.hero__cta--teal:hover {
  background: var(--teal-dark);
}

/* Arrows */
.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  color: var(--white);
  transition: background var(--transition);
  backdrop-filter: blur(4px);
}

.hero__arrow:hover { background: rgba(255,255,255,0.3); }
.hero__arrow--prev { left: 20px; }
.hero__arrow--next { right: 20px; }

/* Dots */
.hero__dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: background var(--transition);
}

.hero__dot--active {
  background: var(--white);
}

/* ---------- SECTION TITLE ---------- */
.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--green);
  margin: 12px auto 0;
  border-radius: 2px;
}

.section-title--white {
  color: var(--white);
}

.section-title--white::after {
  background: var(--teal);
}

/* ---------- ABOUT ---------- */
.about {
  padding: clamp(var(--space-3xl), 6vw, var(--space-4xl)) 0;
  background: var(--white);
}

.about__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.about__text p {
  margin-bottom: var(--space-md);
  max-width: 65ch;
}

.about__text em {
  color: var(--navy);
}

.about__image-placeholder,
.bienvenidos__image-placeholder {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.about__image-placeholder svg,
.bienvenidos__image-placeholder svg {
  width: 100%;
  height: auto;
}

.about__full {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ---------- QUICK NAV CARDS ---------- */
.quick-nav {
  padding: var(--space-3xl) 0;
  background: var(--off-white);
}

.quick-nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.quick-nav__card {
  background: var(--navy);
  color: var(--white);
  border-radius: 8px;
  padding: var(--space-2xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.quick-nav__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(13, 39, 68, 0.25);
}

.quick-nav__card span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.3px;
}

/* ---------- THERAPEUTIC AREAS ---------- */
.therapeutic {
  position: relative;
  padding: clamp(var(--space-3xl), 8vw, var(--space-4xl)) 0;
  overflow: hidden;
}

.therapeutic__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #0D2744 0%, #1B3A5C 50%, #128A9E 100%);
}

.therapeutic__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 166, 81, 0.15);
}

.therapeutic__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.therapeutic__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.therapeutic__card {
  background: var(--navy);
  border-radius: 10px;
  padding: var(--space-xl) var(--space-lg);
  color: var(--white);
}

.therapeutic__card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--teal);
}

.therapeutic__card ul {
  list-style: none;
}

.therapeutic__card li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  font-size: 14px;
  opacity: 0.9;
}

.therapeutic__card li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

.therapeutic__more {
  display: inline-block;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  padding: 10px 32px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  width: fit-content;
  margin: 0 auto;
  transition: background var(--transition), border-color var(--transition);
}

.therapeutic__more:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* ---------- BIENVENIDOS ---------- */
.bienvenidos {
  padding: clamp(var(--space-3xl), 6vw, var(--space-4xl)) 0;
  background: var(--white);
}

.bienvenidos__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.bienvenidos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.bienvenidos__text p {
  margin-bottom: var(--space-md);
  max-width: 55ch;
}

.bienvenidos__cta {
  display: inline-block;
  margin-top: var(--space-md);
  padding: 12px 32px;
  background: var(--green);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius);
  transition: background var(--transition);
}

.bienvenidos__cta:hover {
  background: var(--green-dark);
}

/* ---------- CTA + CONTACT ---------- */
.contact {
  position: relative;
  padding: clamp(var(--space-3xl), 8vw, var(--space-4xl)) 0;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #00A651 0%, #0D2744 60%);
}

.contact__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 166, 81, 0.2);
}

.contact__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.contact__heading {
  color: var(--white);
  font-size: clamp(1.5rem, 1rem + 2vw, 2.25rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.contact__text {
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 50ch;
}

.contact__social-heading {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.contact__social {
  display: flex;
  gap: 16px;
}

.contact__social a {
  color: var(--white);
  opacity: 0.75;
  transition: opacity var(--transition), transform var(--transition);
  display: flex;
}

.contact__social a:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* Form */
.contact__form {
  background: var(--navy);
  border-radius: 12px;
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
}

.contact__field input,
.contact__field textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 14px;
  transition: border-color var(--transition), background var(--transition);
}

.contact__field input::placeholder,
.contact__field textarea::placeholder {
  color: rgba(255,255,255,0.5);
}

.contact__field input:focus,
.contact__field textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(255,255,255,0.12);
}

.contact__field textarea {
  resize: vertical;
  min-height: 100px;
}

.contact__submit {
  padding: 14px 40px;
  background: var(--navy-light);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.2);
  transition: background var(--transition), border-color var(--transition);
  align-self: flex-start;
}

.contact__submit:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--navy);
  color: var(--white);
  padding-top: var(--space-3xl);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr 0.8fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.footer__logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--space-lg);
}

.footer__sub {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.footer__contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 14px;
  opacity: 0.85;
}

.footer__contact-list svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__contact-list a:hover { opacity: 1; }

.footer__map-link {
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
}

.footer__map-link:hover { text-decoration: underline; }

.footer__heading {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  position: relative;
  padding-bottom: 10px;
}

.footer__heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--green);
  border-radius: 1px;
}

.footer__col ul {
  list-style: none;
}

.footer__col li {
  margin-bottom: 8px;
}

.footer__col a {
  font-size: 14px;
  opacity: 0.75;
  transition: opacity var(--transition), color var(--transition);
}

.footer__col a:hover {
  opacity: 1;
  color: var(--teal);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-lg) 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  opacity: 0.6;
}

.footer__pplx {
  font-size: 12px;
  opacity: 0.8;
}

.footer__pplx:hover { opacity: 1; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .about__grid,
  .bienvenidos__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact__inner {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  /* Top bar */
  .top-bar__inner {
    flex-direction: column;
    gap: 8px;
    padding: 8px 16px;
    text-align: center;
  }

  .top-bar__left { justify-content: center; }
  .top-bar__right { justify-content: center; }

  /* Header */
  .header__inner { padding: 0 16px; }

  .header__toggle {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100dvh;
    background: var(--white);
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    padding: 80px 24px 24px;
    transform: translateX(100%);
    transition: transform 350ms var(--ease);
    z-index: 105;
    overflow-y: auto;
  }

  .header__nav--open {
    transform: translateX(0);
  }

  .header__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .header__link {
    padding: 14px 8px;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-200);
  }

  .header__submenu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 0 0 0 16px;
    display: none;
  }

  .header__submenu--open {
    display: block;
  }

  /* Hero */
  .hero {
    height: clamp(380px, 80vw, 520px);
  }

  .hero__content {
    padding: 0 48px;
  }

  .hero__arrow--prev { left: 8px; }
  .hero__arrow--next { right: 8px; }

  /* Quick nav */
  .quick-nav__inner {
    grid-template-columns: 1fr 1fr;
  }

  /* Therapeutic */
  .therapeutic__grid {
    grid-template-columns: 1fr;
  }

  /* Contact form row */
  .contact__form-row {
    grid-template-columns: 1fr;
  }

  .contact__form {
    padding: var(--space-xl);
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .quick-nav__inner {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: clamp(1.3rem, 1rem + 3vw, 1.8rem);
  }
}

/* ---------- ANIMATIONS ---------- */
@media (prefers-reduced-motion: no-preference) {
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 600ms var(--ease), transform 600ms var(--ease);
  }

  .animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
  }
}