@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&display=swap');

:root {
  --font-family-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-family-body: 'Lato', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  --radius: 8px;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.75rem;
  --font-size-hero: 3.5rem;

  --line-height-tight: 1.2;
  --line-height-base: 1.6;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Sakura light palette via CSS variables (no hex literals) */
  --color-bg: hsl(345 100% 98%);
  --color-bg-alt: hsl(345 78% 95%);
  --color-bg-card: hsl(0 0% 100%);
  --color-border: hsl(345 40% 75%);
  --color-shadow: 0 6px 20px rgba(0,0,0,.18);

  --color-primary: hsl(320 60% 16%);
  --color-accent: hsl(45 92% 52%);

  --color-text: hsl(0 0% 22%);
  --color-text-muted: hsl(320 28% 36%);
  --color-text-on-primary: hsl(0 0% 100%);
  --color-text-inverse: hsl(0 0% 100%);

  /* Hero gradient (dark) for high contrast in hero areas */
  --hero-gradient-start: hsl(320 70% 16%);
  --hero-gradient-end: hsl(320 60% 22%);

  --container-max: 1260px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  max-width: 100%;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: color-mix(in lab, var(--color-primary), white 10%); text-decoration: underline; }

ul, ol { margin: 0; padding-left: 1.25rem; }

h1, h2, h3, h4 { margin: 0 0 0.5rem; font-family: var(--font-family-heading); color: var(--color-text); }

p { margin: 0 0 1rem; }

strong { font-weight: var(--font-weight-bold); }

em { font-style: italic; }

/* Layout utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
  box-sizing: border-box;
}

.section {
  padding: 2rem 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.section-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  margin: 0 0 0.75rem;
}

/* Card system */
.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-card);
  transition: transform 0.2s ease;
  color: var(--color-text);
}

.card:hover { transform: translateY(-2px); }

.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.card-body { padding: 1rem 1.25rem; }

/* If there is no .card-body, ensure breathing room for non-img content */
.card > :not(img) { padding: 1rem 1.25rem; }

/* Card headings/text */
.card h3, .card h4 { margin-top: 0; margin-bottom: 0.5rem; }
.card p { margin: 0; line-height: var(--line-height-base); color: var(--color-text-muted); }

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  min-height: 50vh;
  color: var(--color-text-on-primary);
  background: linear-gradient(135deg, var(--hero-gradient-start), var(--hero-gradient-end));
  text-align: center;
}
.hero h1 { font-family: var(--font-family-heading); font-weight: 700; font-size: clamp(2.5rem, 6vw, 3.5rem); line-height: 0.95; letter-spacing: -0.03em; margin: 0 0 1rem; text-transform: uppercase; }
.hero p { font-size: var(--font-size-lg); color: var(--color-text-on-primary); margin-bottom: 1rem; }
.hero a, .hero .btn { color: var(--color-text-on-primary); }

/* Hero variant helpers from required extra rules */
.hero-big-title { font-size: clamp(3rem, 8vw, 7rem); font-weight: 900; line-height: 0.95; letter-spacing: -0.03em; margin: 0 0 1.5rem; text-transform: uppercase; }
.hero-sub-row { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.hero-subtitle { flex: 1 1 300px; font-size: 1.1rem; }
.hero-cta { display: flex; gap: 1rem; flex-shrink: 0; flex-wrap: wrap; }

@media (max-width: 767px) {
  .hero-sub-row { flex-direction: column; align-items: flex-start; }
  .hero-big-title { font-size: clamp(2.5rem, 10vw, 4rem); }
}

/* Navigation: structure */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 50;
  background: var(--color-bg);
  min-height: 64px;
  overflow: visible;
  /* sticky header; content dictates height */
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  margin: 0 auto;
  box-sizing: border-box;
  justify-content: flex-start;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  overflow: hidden;
  max-height: 52px;
  text-decoration: none;
}
.site-logo img {
  height: 44px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

/* Hamburger nav (mobile) */
.nav-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}
.nav-toggle-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: 0.4rem 0.6rem;
  z-index: 200;
  border-radius: 6px;
  background: rgba(0,0,0,0.45);
  border: 1.5px solid rgba(255,255,255,0.7);
}
.nav-toggle-label span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: 0.2s ease;
}

/* Mobile site navigation (hidden by default) */
.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  z-index: 500;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.nav-toggle-input:checked ~ .site-nav {
  display: block;
}

/* Nav list default (mobile) */
.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0.5rem 0;
  margin: 0;
  list-style: none;
}
.nav-link {
  display: block;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover { background: var(--color-bg-alt); text-decoration: none; }

/* Dropdown navigation */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { cursor: pointer; user-select: none; white-space: nowrap; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  z-index: 9999;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  white-space: nowrap;
}
.nav-dropdown:hover > .nav-dropdown-menu,
.nav-dropdown:focus-within > .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu .nav-link {
  display: block;
  padding: 0.5rem 1.25rem;
  width: 100%;
  border-bottom: none;
}
.nav-dropdown-menu .nav-link:hover { background: var(--color-bg-alt); }

/* Mobile dropdown indentation when vertical nav is active */
@media (max-width: 767px) {
  .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 1rem;
  }
  .nav-dropdown:focus-within > .nav-dropdown-menu { display: block; }
}

/* Desktop/tablet navigation layout (logo left, nav right) */
@media (min-width: 768px) {
  /* Layout alignment per requirement */
  .site-header .container {
    justify-content: space-between;
  }
  .site-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: static;
    background: transparent;
    border-top: none;
    box-shadow: none;
  }
  /* Nav list horizontal on tablet/desktop */
  .nav-list {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
    margin: 0;
  }
  /* Tablet+ hides hamburger */
  .nav-toggle-label { display: none !important; }
  /* Tablet+ nav link sizing */
  .nav-link { font-size: var(--font-size-sm); padding: 0.4rem 0.75rem; border-bottom: none; white-space: nowrap; }
  /* Ensure container centers content at this breakpoint */
  .container { margin: 0 auto; }
  /* Specific nav adjustments for tablet+ */
  .site-nav { align-items: center; }
}

/* Desktop specifics */
@media (min-width: 1024px) {
  .container { max-width: 1200px; padding: 0 2rem; }
  .hero { min-height: 70vh; }
  .hero h1 { font-size: var(--font-size-hero); }
  .section { padding: 4rem 0; }
  /* Keep nav layout consistent on larger screens */
  .nav-link { font-size: var(--font-size-sm); }
}

/* Animations / transitions (additional) */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.section, .card, .site-nav, .hero { animation: fadeIn 0.25s ease both; }

/* Forms */
label { display: block; margin-bottom: .25rem; font-weight: var(--font-weight-medium); }
input, textarea, select {
  border: 1px solid var(--color-border);
  padding: .5rem .75rem;
  border-radius: 6px;
  background: var(--color-bg-card);
  color: var(--color-text);
  font-family: var(--font-family-body);
}
button, input[type="submit"] {
  font-family: var(--font-family-body);
}
.btn {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border-color: var(--color-border);
}
.btn-primary:hover { filter: brightness(0.95); }
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.btn:focus { outline: 2px solid color-mix(in oklab, var(--color-primary), white 60%); outline-offset: 2px; }

/* Footer */
.site-footer {
  background: var(--color-bg);
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* FAQ accordion (CSS-only) */
.faq-section {
  padding: 2rem 0;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background: var(--color-bg-card);
  overflow: hidden;
  transition: 0.2s ease;
}
.faq-item[open] {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px var(--color-shadow);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-md);
  list-style: none;
  user-select: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item[open] > .faq-question::after { content: "−"; }
.faq-answer {
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--color-border);
}
.faq-answer p { margin: 0.75rem 0 0; color: var(--color-text-muted); line-height: var(--line-height-base); }

/* Dropdown accessibility hover/focus */
.nav-dropdown-menu:focus-within { outline: none; }

/* Minor utility classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.hidden { display: none !important; }