/* ============================================
   Larissa Nguyen — larissanguyen.com
   ============================================ */

:root {
  /* Warm, calm palette for pet care: cream, sage, warm browns */
  --color-bg: #faf7f2;
  --color-text: #2c2926;
  --color-text-muted: #6b6560;
  --color-accent: #5f7d63;
  --color-accent-light: #8fa894;
  --color-accent-warm: #a67c52;
  --color-border: #e8e4df;
  --font-display: "Lora", Georgia, serif;
  --font-body: "Nunito", system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-width: 68rem;
  --radius: 0.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-tap-highlight-color: rgba(95, 125, 99, 0.2);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space-md);
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--color-accent);
}

/* Language toggle — works on mobile and desktop */
.lang-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  margin-right: var(--space-sm);
}
.lang-toggle-btn {
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.25rem 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.lang-toggle-btn:hover {
  color: var(--color-accent);
}
.lang-toggle-btn.is-active {
  color: var(--color-accent);
  font-weight: 600;
}
.lang-toggle-sep {
  color: var(--color-border);
  font-weight: 300;
  user-select: none;
}

.main-nav {
  display: flex;
  gap: var(--space-lg);
}

.main-nav a {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.main-nav a:hover {
  color: var(--color-accent);
}

.main-nav .nav-cta {
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: #fff !important;
  background: var(--color-accent);
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
}
.main-nav .nav-cta:hover {
  background: var(--color-text);
  color: #fff !important;
}

/* Main content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-2xl);
}

/* Hero */
.hero {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.hero-title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 4.5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

/* Carousel */
.carousel-section {
  padding: 0 0 var(--space-xl);
  border-top: none;
}

.carousel {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.carousel-inner {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius) * 2);
  border: 1px solid var(--color-border);
  background: var(--color-border);
}

.carousel-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-border) 0%, #e0ddd8 50%, var(--color-border) 100%);
  background-size: 200% 100%;
  animation: carousel-shimmer 1.2s ease-in-out infinite;
  z-index: 0;
}
.carousel-inner:not(.carousel-loading) .carousel-placeholder {
  display: none;
}
@keyframes carousel-shimmer {
  0%, 100% { background-position: 200% 0; }
  50% { background-position: -200% 0; }
}

.carousel-track {
  position: relative;
  z-index: 1;
  display: flex;
  transition: transform 0.4s ease;
}

.carousel-slide {
  flex: 0 0 100%;
  aspect-ratio: 16 / 9;
  min-width: 0;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  vertical-align: middle;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-btn:hover {
  background: #fff;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.carousel-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.carousel-btn-prev {
  left: var(--space-md);
}
.carousel-btn-next {
  right: var(--space-md);
}

.carousel-indicators {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding: 0 var(--space-lg);
}

.carousel-counter {
  display: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .carousel-counter {
    display: block;
  }
  .carousel-dots {
    display: none;
  }
}

.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.carousel-dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.carousel-dot:hover {
  background: var(--color-accent-light);
}
.carousel-dot.active {
  background: var(--color-accent);
  transform: scale(1.25);
}
.carousel-dot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .carousel {
    padding: 0 var(--space-md);
  }
  .carousel-btn {
    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    min-height: 2.75rem;
    font-size: 1.125rem;
  }
  .carousel-btn-prev {
    left: var(--space-sm);
  }
  .carousel-btn-next {
    right: var(--space-sm);
  }
}

/* Intro: no top border on first content section */
.section.intro {
  border-top: none;
  padding-top: 0;
}

.intro-with-photo {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin: var(--space-md) 0 0;
}

.intro-photo {
  flex-shrink: 0;
  margin: 0;
  width: 100%;
  max-width: 18rem;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(44, 41, 38, 0.08);
}

.intro-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-photo figcaption {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
  text-align: center;
}

.intro-text {
  flex: 1;
  min-width: 0;
}

.intro-text p {
  margin: 0 0 var(--space-md);
}
.intro-text p:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .intro-with-photo {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .intro-text {
    text-align: left;
  }
}

.hero-tagline {
  margin: 0;
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  min-height: 2.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  background: transparent;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  box-sizing: border-box;
}
.hero-cta:hover {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

/* Prevent section titles from hiding under sticky header when navigating via nav links */
.section[id] {
  scroll-margin-top: 5.5rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.section-title-icon {
  display: inline-flex;
  flex-shrink: 0;
  width: 1.5em;
  height: 1.5em;
  color: var(--color-accent);
}

.section-title-icon svg {
  width: 100%;
  height: 100%;
}

.section-intro,
.contact-intro {
  margin: 0 0 var(--space-lg);
  color: var(--color-text-muted);
  max-width: 48rem;
}

/* Prose: section body text */
.prose {
  max-width: 52rem;
}

.prose p {
  margin: 0 0 var(--space-md);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
}

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

/* Lists */
.list-care,
.list-services {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.65;
}

.list-care li,
.list-services li {
  margin-bottom: var(--space-xs);
}

.list-care li:last-child,
.list-services li:last-child {
  margin-bottom: 0;
}

.prose .note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* FAQ page */
.faq-section {
  margin-bottom: var(--space-xl);
}
.faq-section:last-of-type {
  margin-bottom: var(--space-lg);
}
.faq-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}
.faq-cats-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.faq-dogs-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.faq-curious-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.faq-pricing-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.faq-larissa-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.faq-cats-head .faq-section-title {
  margin-bottom: 0;
  flex: 1;
}
.faq-dogs-head .faq-section-title {
  margin-bottom: 0;
  flex: 1;
}
.faq-curious-head .faq-section-title {
  margin-bottom: 0;
  flex: 1;
}
.faq-pricing-head .faq-section-title {
  margin-bottom: 0;
  flex: 1;
}
.faq-larissa-head .faq-section-title {
  margin-bottom: 0;
  flex: 1;
}
.faq-cats-thumb {
  order: -1;
  width: 4.75rem;
  height: 4.75rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.faq-dogs-thumb {
  order: -1;
  width: 4.75rem;
  height: 4.75rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.faq-curious-thumb {
  order: -1;
  width: 4.75rem;
  height: 4.75rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.faq-pricing-thumb {
  order: -1;
  width: 4.75rem;
  height: 4.75rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.faq-larissa-thumb {
  order: -1;
  width: 4.75rem;
  height: 4.75rem;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.faq-list {
  margin: 0 0 var(--space-md);
}
.faq-q {
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
  font-size: 1rem;
}
.faq-a {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}
.faq-a:last-child {
  margin-bottom: 0;
}

.contact-cta {
  font-weight: 600;
  color: var(--color-accent-warm) !important;
}

/* Contact section */
.contact-with-photo {
  display: flex;
  flex-direction: row;
  direction: ltr;
  align-items: flex-start;
  gap: var(--space-xl);
  margin-top: var(--space-md);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.contact-photo {
  flex-shrink: 0;
  margin: 0;
  width: 100%;
  max-width: 18rem;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-border);
}

.contact-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-photo figcaption {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
  text-align: center;
}

.contact-content {
  flex: 1;
  min-width: 0;
}

.contact-prose {
  margin-bottom: var(--space-xl);
}

.contact-block {
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 2);
  text-align: center;
}

.contact-button {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-weight: 500;
  color: #fff !important;
  background: var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.contact-button-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  min-height: 3rem;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  color: #fff !important;
  background: var(--color-accent);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 8px rgba(95, 125, 99, 0.25);
}
.contact-button-whatsapp:hover {
  background: var(--color-accent-light);
  color: #fff !important;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(95, 125, 99, 0.3);
}
.contact-button-whatsapp:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.contact-button-whatsapp-icon {
  display: inline-flex;
  flex-shrink: 0;
}
.contact-button-whatsapp-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.contact-or {
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-align: center;
}

.zalo-qr {
  margin: var(--space-lg) auto;
  text-align: center;
}
.zalo-qr img {
  display: block;
  width: 160px;
  height: 160px;
  margin: 0 auto;
  border-radius: var(--radius);
}
.zalo-qr figcaption {
  margin-top: var(--space-xs);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-details {
  margin: 0 auto;
  width: fit-content;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs) var(--space-md);
  align-items: baseline;
  font-size: 1rem;
  text-align: left;
}
.contact-details dt {
  margin: 0;
  font-weight: 600;
  color: var(--color-text);
}
.contact-details dd {
  margin: 0;
  color: var(--color-text-muted);
}
.contact-details a {
  display: inline-block;
  padding: var(--space-xs) 0;
  min-height: 2rem;
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
  word-break: break-word;
  overflow-wrap: break-word;
}
.contact-details a:hover {
  color: var(--color-accent-warm);
  text-decoration: underline;
}

.contact-link {
  font-size: 1rem;
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration 0.2s ease;
}
.contact-link:hover {
  color: var(--color-text);
  text-decoration: underline;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: max(var(--space-lg), env(safe-area-inset-bottom));
  right: max(var(--space-lg), env(safe-area-inset-right));
  z-index: 40;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 2px 12px rgba(44, 41, 38, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, background 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Footer */
.site-footer {
  padding: var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-footer p {
  margin: 0;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  min-height: 2.75rem;
  min-width: 2.75rem;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

@media (max-width: 768px) {
  .contact-with-photo {
    flex-direction: column;
    align-items: center;
  }

  .nav-toggle {
    display: block;
  }

  .site-header-inner {
    position: relative;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.25s ease, opacity 0.2s ease;
  }

  .main-nav.is-open {
    max-height: 20rem;
    opacity: 1;
  }

  .main-nav a {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
  }
  .main-nav a:hover {
    background: var(--color-border);
  }
  .main-nav .nav-cta {
    margin-top: var(--space-xs);
    justify-content: center;
    text-align: center;
    background: var(--color-accent);
    color: #fff !important;
  }
  .main-nav .nav-cta:hover {
    background: var(--color-text);
    color: #fff !important;
  }
}

@media (max-width: 640px) {
  .site-header {
    flex-wrap: wrap;
  }

  .site-header-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .logo {
    font-size: 1.125rem;
  }

  .hero {
    padding: var(--space-lg) 0;
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2.25rem);
  }

  main {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    padding-bottom: var(--space-xl);
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .contact-with-photo {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .contact-block {
    padding: var(--space-md);
  }

  .contact-button-whatsapp {
    min-height: 2.75rem;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9375rem;
  }

  .contact-details {
    font-size: 0.9375rem;
  }

  .back-to-top {
    bottom: max(var(--space-md), env(safe-area-inset-bottom));
    right: max(var(--space-md), env(safe-area-inset-right));
  }
}

/* Print */
@media print {
  .skip-link,
  .site-header,
  .nav-toggle,
  .main-nav,
  .back-to-top {
    display: none !important;
  }

  body {
    background: #fff;
  }

  main {
    padding-top: 0;
  }

  .section {
    border-top-color: #ccc;
    page-break-inside: avoid;
  }

  .contact-button,
  .contact-button-whatsapp {
    color: var(--color-text) !important;
    background: none;
    border: 1px solid #333;
  }

  a[href^="mailto:"]::after {
    content: " (" attr(href) ")";
    font-size: 0.9em;
    color: #333;
  }
}