/* InstintiaVet — Styles */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ================================
   Variables
   ================================ */
:root {
  --color-primary: #2E7D32;
  --color-primary-light: #4CAF50;
  --color-accent: #A5D6A7;
  --color-white: #FFFFFF;
  --color-text: #1a1a2e;
  --color-text-light: #555;
  --color-bg: #FAFBFC;
  --color-card: #FFFFFF;
  --color-border: #e8e8e8;

  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-base: 16px;

  --transition: 0.3s ease;
  --nav-height: 80px;
  --radius: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  padding-top: var(--nav-height);
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

section {
  scroll-margin-top: var(--nav-height);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--color-text);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

/* ================================
   Navigation
   ================================ */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav__logo { z-index: 1001; }

.nav__logo-img {
  height: 60px;
  width: auto;
  display: block;
}

.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  z-index: 1001;
  border-radius: 8px;
}

.nav__toggle:hover { background-color: var(--color-bg); }

.nav__hamburger {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav__hamburger::before,
.nav__hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav__hamburger::before { top: -7px; }
.nav__hamburger::after { top: 7px; }

.nav__toggle[aria-expanded="true"] .nav__hamburger { background-color: transparent; }
.nav__toggle[aria-expanded="true"] .nav__hamburger::before { top: 0; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__hamburger::after { top: 0; transform: rotate(-45deg); }

.nav__menu {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition), opacity var(--transition), visibility 0s 0.3s;
}

.nav__menu--open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform var(--transition), opacity var(--transition), visibility 0s;
}

.nav__link {
  display: block;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.nav__link:hover { color: var(--color-primary); }

.nav__link--active {
  color: var(--color-primary);
  font-weight: 600;
}

@media (min-width: 769px) {
  .nav__toggle { display: none; }

  .nav__menu {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    width: auto;
    background: transparent;
    border: none;
    padding: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  .nav__link {
    padding: 0.5rem 1rem;
    border-radius: 8px;
  }

  .nav__link:hover { background: rgba(46,125,50,0.06); }

  .nav__link--active::after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    margin-top: 2px;
  }
}

/* ================================
   Hero
   ================================ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #f0fdf4 0%, #dcfce7 30%, #bbf7d0 60%, #a7f3d0 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(165,214,167,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 1.5rem;
  max-width: 650px;
}

.hero__logo {
  width: 250px;
  height: auto;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 4px 12px rgba(46,125,50,0.15));
}

.hero__name {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.hero__title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero__divider {
  width: 50px;
  height: 2px;
  background: var(--color-primary);
  margin: 0 auto 1rem;
}

.hero__specialty {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 1rem;
}

.hero__description {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(46,125,50,0.25);
}

.hero__cta:hover {
  background: #1B5E20;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46,125,50,0.35);
}

@media (min-width: 1024px) {
  .hero { min-height: 100vh; }
}

/* ================================
   About
   ================================ */
.about {
  padding: 5rem 0;
  background: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.about__photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 3px solid var(--color-accent);
  justify-self: center;
  order: -1;
}

.about__text p {
  margin-bottom: 1.25rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.about__intro {
  font-size: 1.1rem;
  color: var(--color-text) !important;
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr auto;
    gap: 3rem;
  }

  .about__photo {
    width: 220px;
    height: 220px;
    order: 0;
  }
}

/* ================================
   Services
   ================================ */
.services {
  padding: 5rem 0;
  background: var(--color-bg);
}

.services__grid {
  display: grid;
  gap: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

.service-card {
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-sm);
}

.service-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  min-height: 56px;
  transition: background var(--transition);
}

.service-card__header:hover {
  background: var(--color-bg);
}

.service-card__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.service-card__name {
  flex: 1;
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
}

.service-card__chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text-light);
  border-bottom: 2px solid var(--color-text-light);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.service-card__header[aria-expanded="true"] .service-card__chevron {
  transform: rotate(-135deg);
}

.service-card__body {
  padding: 0 1.5rem 1.5rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.service-card__body p {
  margin-bottom: 0.75rem;
}

.service-card__body p:last-child {
  margin-bottom: 0;
}

.service-card__body strong {
  color: var(--color-text);
  font-weight: 600;
}

.service-card__body[hidden] {
  display: none;
}

/* ================================
   Contact
   ================================ */
.contact {
  padding: 5rem 0;
  background: var(--color-white);
}

.contact__subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-top: -2rem;
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.contact__grid {
  display: grid;
  gap: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
}

.contact__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  text-align: center;
}

.contact__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.contact__card-icon {
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.contact__card-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  font-weight: 500;
}

.contact__card-value {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ================================
   Footer
   ================================ */
.footer {
  padding: 2.5rem 0;
  background: var(--color-text);
  text-align: center;
}

.footer__logo {
  height: 40px;
  width: auto;
  margin: 0 auto 1rem;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.footer__text {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}