/* ============================================
   BioFly — Global Stylesheet
   Palette: White + Mint + Gold
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Nunito+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --white: #ffffff;
  --off-white: #fafcfb;
  --mint-50: #f0faf6;
  --mint-100: #d8f3e8;
  --mint-200: #b2e7d2;
  --mint-300: #7dd5b5;
  --mint-400: #4cbf96;
  --mint-500: #2da87c;
  --mint-600: #1f8a64;
  --gold-50: #fdfaf0;
  --gold-100: #faf0cc;
  --gold-200: #f0d98a;
  --gold-300: #e4c45a;
  --gold-400: #d4ac2e;
  --gold-500: #b8922a;
  --gold-600: #9a7620;
  --text-dark: #1a2e28;
  --text-body: #3d5a50;
  --text-muted: #6b8a7e;
  --border: #e2ede8;
  --shadow-sm: 0 1px 3px rgba(26,46,40,0.06);
  --shadow-md: 0 4px 16px rgba(26,46,40,0.08);
  --shadow-lg: 0 8px 32px rgba(26,46,40,0.1);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Nunito Sans', 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

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

/* ---- Typography ---- */
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--text-dark); line-height: 1.25; font-weight: 500; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
p { margin-bottom: 1em; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 600;
  border: none; border-radius: var(--radius); cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--mint-400), var(--mint-500));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(45,168,124,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--mint-500), var(--mint-600));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45,168,124,0.35);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--mint-400);
  color: var(--mint-500);
}
.btn-outline:hover {
  background: var(--mint-50);
  border-color: var(--mint-500);
}

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.logo {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.02em;
}
.logo span { color: var(--gold-400); }

.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-muted);
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--gold-400);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-dark); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.mobile-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 36px; height: 36px; position: relative;
}
.mobile-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-dark); margin: 5px auto;
  transition: var(--transition);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: var(--white); margin-bottom: 16px; display: inline-block; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--gold-300); margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.82rem;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { transition: var(--transition); }
.footer-bottom a:hover { color: var(--white); }

.footer-disclaimer {
  background: rgba(0,0,0,0.15);
  padding: 16px 0;
  font-size: 0.78rem;
  text-align: center;
  color: rgba(255,255,255,0.45);
}

/* ---- Section Helpers ---- */
.section { padding: 80px 0; }
.section-mint { background: var(--mint-50); }
.section-gold { background: var(--gold-50); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-header p { color: var(--text-muted); margin-top: 12px; }
.section-label {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--gold-500);
  margin-bottom: 12px;
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

/* ---- Hero (Home) ---- */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(160deg, var(--white) 50%, var(--mint-50) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(76,191,150,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.hero-text h1 { margin-bottom: 20px; }
.hero-text p { font-size: 1.1rem; color: var(--text-muted); max-width: 480px; margin-bottom: 32px; }
.hero-image { position: relative; }
.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.hero-image::after {
  content: '';
  position: absolute; top: 24px; left: 24px;
  width: 100%; height: 100%;
  border: 2px solid var(--gold-300);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* ---- Grid layouts ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- Product Gallery ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.gallery-grid img {
  width: 100%; height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: var(--transition);
}
.gallery-grid img:hover { transform: scale(1.03); }
.gallery-grid img:first-child {
  grid-column: span 2;
  height: 340px;
}

/* ---- Order Form ---- */
.order-form-wrap {
  max-width: 520px;
  margin: 48px auto 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.order-form-wrap h3 { text-align: center; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--text-dark); margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition);
  background: var(--off-white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--mint-400);
  box-shadow: 0 0 0 3px rgba(76,191,150,0.15);
}
.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}
.form-disclaimer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.6;
}

/* ---- FAQ ---- */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  width: 100%; padding: 20px 24px;
  background: var(--white);
  border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-body);
  font-size: 1rem; font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { background: var(--mint-50); }
.faq-question .icon {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--mint-500);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---- Icon blocks ---- */
.icon-block { text-align: center; padding: 24px; }
.icon-circle {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint-100), var(--mint-200));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}
.icon-block h3 { margin-bottom: 10px; }
.icon-block p { font-size: 0.9rem; color: var(--text-muted); }

/* ---- Step blocks ---- */
.step-card {
  text-align: center; padding: 40px 24px;
  position: relative;
}
.step-number {
  font-family: var(--font-display);
  font-size: 3.5rem; font-weight: 700;
  color: var(--mint-100);
  line-height: 1;
  margin-bottom: 16px;
}
.step-card h3 { margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; color: var(--text-muted); }

/* ---- Contact Info ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-item {
  display: flex; gap: 16px; margin-bottom: 28px;
}
.contact-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--mint-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-info-item h4 {
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 700;
  margin-bottom: 4px;
}
.contact-info-item p { font-size: 0.9rem; margin: 0; }

/* ---- Cookie Banner ---- */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  padding: 20px 24px;
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-banner p { margin: 0; font-size: 0.88rem; color: var(--text-muted); max-width: 640px; }
.cookie-banner .btn { padding: 10px 24px; font-size: 0.85rem; }
.cookie-banner.hidden { display: none; }

/* ---- Price tag ---- */
.price-tag {
  display: inline-flex; align-items: baseline; gap: 4px;
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700;
  color: var(--text-dark);
}
.price-tag .currency {
  font-size: 1.2rem; font-weight: 500;
  color: var(--text-muted);
}

/* ---- Page Hero (subpages) ---- */
.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(160deg, var(--mint-50) 0%, var(--white) 100%);
  text-align: center;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { color: var(--text-muted); max-width: 560px; margin: 0 auto; }

/* ---- Legal pages ---- */
.legal-content { max-width: 780px; margin: 0 auto; }
.legal-content h2 { font-size: 1.4rem; margin: 32px 0 12px; }
.legal-content h3 { font-size: 1.1rem; margin: 24px 0 8px; }
.legal-content p, .legal-content li { font-size: 0.93rem; color: var(--text-body); }
.legal-content ul { padding-left: 24px; margin-bottom: 16px; }
.legal-content li { margin-bottom: 8px; }

/* ---- Success page ---- */
.success-wrap {
  min-height: 60vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.success-icon {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint-200), var(--mint-400));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
  font-size: 2.8rem;
  color: var(--white);
}
.success-wrap h1 { margin-bottom: 16px; }
.success-wrap p { color: var(--text-muted); max-width: 460px; margin: 0 auto 32px; }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-image { max-width: 400px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid img:first-child { grid-column: span 2; }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    gap: 16px;
  }
  .mobile-toggle { display: block; }
  .hero { padding: 80px 0 60px; }
  .section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid img:first-child { grid-column: span 1; height: 260px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .order-form-wrap { padding: 28px 20px; }
  .cookie-banner { flex-direction: column; text-align: center; }
}

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.fade-up-d1 { animation-delay: 0.1s; }
.fade-up-d2 { animation-delay: 0.2s; }
.fade-up-d3 { animation-delay: 0.3s; }
.fade-up-d4 { animation-delay: 0.4s; }