/* ===================================================
   青禾花藝 — Global Stylesheet
   =================================================== */

:root {
  --primary: #3A7D44;
  --primary-light: #5EA36C;
  --primary-pale: #EBF5ED;
  --primary-dark: #2A5C31;
  --rose: #C4848E;
  --rose-light: #D4A4AC;
  --rose-pale: #F9ECEE;
  --gold: #B8924A;
  --gold-light: #F2E4CA;
  --cream: #FDFBF5;
  --bg: #FAFAF3;
  --bg-alt: #F3F0E8;
  --text: #2C2417;
  --text-mid: #5A4A3A;
  --text-light: #8A7A6A;
  --border: #E2D9CC;
  --shadow-sm: 0 2px 12px rgba(58, 125, 68, 0.08);
  --shadow-md: 0 8px 28px rgba(58, 125, 68, 0.12);
  --shadow-lg: 0 24px 64px rgba(58, 125, 68, 0.15);
  --radius: 14px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Serif TC', 'Noto Sans TC', Georgia, serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* —— Typography —— */
h1, h2, h3, h4 { line-height: 1.35; font-weight: 700; font-family: 'Noto Serif TC', Georgia, serif; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
p { color: var(--text-mid); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-pale);
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-family: 'Noto Sans TC', sans-serif;
}

/* —— Layout —— */
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 52px); }
section { padding: clamp(72px, 9vw, 130px) 0; }

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 36px;
  border-radius: 999px;
  font-size: 0.93rem;
  font-weight: 600;
  transition: var(--transition);
  font-family: 'Noto Sans TC', sans-serif;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 18px rgba(58, 125, 68, 0.3);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(58, 125, 68, 0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-pale);
  transform: translateY(-3px);
}
.btn-rose {
  background: var(--rose);
  color: #fff;
  box-shadow: 0 4px 18px rgba(196, 132, 142, 0.3);
}
.btn-rose:hover {
  background: var(--rose-light);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(196, 132, 142, 0.4);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-3px);
}

/* —— Navigation —— */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}
.site-nav.scrolled {
  background: rgba(253, 251, 245, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 28px rgba(58, 125, 68, 0.1);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 44px; height: 44px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  transition: var(--transition);
}
.nav-logo-icon:hover { transform: rotate(-10deg) scale(1.08); }
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-name { font-size: 1rem; font-weight: 700; color: var(--text); line-height: 1.2; font-family: 'Noto Serif TC', serif; }
.nav-logo-sub { font-size: 0.68rem; color: var(--text-light); letter-spacing: 0.05em; font-family: 'Noto Sans TC', sans-serif; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-mid);
  position: relative;
  transition: color var(--transition);
  font-family: 'Noto Sans TC', sans-serif;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); }
.nav-cta { padding: 10px 24px; font-size: 0.84rem; }

.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.nav-mobile {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--cream);
  z-index: 999;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 36px;
  padding: 24px;
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { font-size: 1.5rem; }
.nav-mobile-close {
  position: absolute; top: 24px; right: 24px;
  font-size: 1.5rem; color: var(--text); background: none; border: none; cursor: pointer;
}

/* —— Page Hero —— */
.page-hero {
  padding: 140px 0 90px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Ccircle cx='40' cy='40' r='30' fill='%23ffffff' fill-opacity='0.03'/%3E%3Ccircle cx='40' cy='40' r='15' fill='%23ffffff' fill-opacity='0.03'/%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { color: white; margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.82); font-size: 1.1rem; max-width: 580px; margin: 0 auto; }
.page-hero .eyebrow { background: rgba(255,255,255,0.18); color: white; margin-bottom: 20px; }

/* —— Section Heading —— */
.section-heading { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-heading h2 { margin-bottom: 16px; color: var(--text); }
.section-heading p { font-size: 1.05rem; color: var(--text-mid); }

/* —— Cards —— */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* —— Grid —— */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }

/* —— Icon Box —— */
.icon-box {
  width: 64px; height: 64px;
  background: var(--primary-pale);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  font-size: 1.8rem;
  transition: var(--transition);
}
.card:hover .icon-box { background: var(--primary); transform: scale(1.08); }

/* —— Petal Decoration —— */
.petal-deco {
  position: absolute;
  border-radius: 50% 0 50% 0;
  opacity: 0.12;
  animation: floatPetal 6s ease-in-out infinite;
}
@keyframes floatPetal {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(8deg); }
}

/* —— Flower Card (product) —— */
.flower-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.flower-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.flower-card-img {
  height: 220px;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}
.flower-card-body { padding: 22px 24px 28px; }
.flower-card-category { font-size: 0.75rem; font-weight: 600; color: var(--primary); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; font-family: 'Noto Sans TC', sans-serif; }
.flower-card-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.flower-card-desc { font-size: 0.88rem; color: var(--text-mid); line-height: 1.6; margin-bottom: 16px; }
.flower-card-price { font-size: 1.2rem; font-weight: 700; color: var(--primary); }
.flower-card-price span { font-size: 0.8rem; color: var(--text-light); font-weight: 400; margin-left: 4px; }

/* —— Stats —— */
.stats-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: white; position: relative; overflow: hidden; }
.stats-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='40' fill='none' stroke='%23ffffff' stroke-width='0.5' stroke-opacity='0.08'/%3E%3C/svg%3E") repeat;
}
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 48px; text-align: center; position: relative; }
.stat-number { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; color: white; line-height: 1; display: flex; align-items: baseline; justify-content: center; gap: 4px; }
.stat-unit { font-size: 1.4rem; font-weight: 400; }
.stat-label { font-size: 0.88rem; color: rgba(255,255,255,0.72); margin-top: 10px; letter-spacing: 0.05em; font-family: 'Noto Sans TC', sans-serif; }

/* —— Testimonials —— */
.testimonial-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
}
.testimonial-card::before {
  content: '❝';
  position: absolute; top: 16px; left: 24px;
  font-size: 4rem; line-height: 1;
  color: var(--primary-pale);
  font-family: Georgia, serif;
}
.testimonial-text { color: var(--text-mid); margin-bottom: 22px; font-style: italic; position: relative; z-index: 1; line-height: 1.9; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--primary-pale); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.testimonial-name { font-weight: 600; font-size: 0.92rem; }
.testimonial-meta { font-size: 0.78rem; color: var(--text-light); font-family: 'Noto Sans TC', sans-serif; }
.stars { color: #F59E0B; font-size: 0.88rem; margin-bottom: 4px; }

/* —— CTA Banner —— */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(48px, 6vw, 80px) clamp(32px, 5vw, 72px);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '🌸';
  position: absolute; top: -20px; right: 40px;
  font-size: 8rem; opacity: 0.1;
  transform: rotate(15deg);
}
.cta-banner::after {
  content: '🌿';
  position: absolute; bottom: -20px; left: 30px;
  font-size: 7rem; opacity: 0.1;
  transform: rotate(-10deg);
}
.cta-banner h2 { color: white; margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.82); margin-bottom: 32px; font-size: 1.05rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* —— Footer —— */
.site-footer {
  background: var(--text);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo-name { color: white; font-size: 1.1rem; margin-bottom: 4px; }
.footer-brand .nav-logo-sub { color: rgba(255,255,255,0.55); }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; margin-top: 16px; max-width: 280px; }
.footer-heading { font-size: 0.82rem; font-weight: 700; color: white; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; font-family: 'Noto Sans TC', sans-serif; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 0.88rem; color: rgba(255,255,255,0.65); transition: color var(--transition); font-family: 'Noto Sans TC', sans-serif; }
.footer-link:hover { color: var(--primary-pale); }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 14px; align-items: flex-start; }
.footer-contact-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.footer-contact-text { font-size: 0.88rem; color: rgba(255,255,255,0.65); line-height: 1.6; font-family: 'Noto Sans TC', sans-serif; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.82rem; font-family: 'Noto Sans TC', sans-serif; }

/* —— Wave divider —— */
.wave-divider { width: 100%; overflow: hidden; line-height: 0; }
.wave-divider svg { display: block; width: 100%; }

/* —— Forms —— */
.form-group { margin-bottom: 22px; }
.form-label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--text); margin-bottom: 8px; font-family: 'Noto Sans TC', sans-serif; }
.form-control {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: var(--text);
  background: white;
  transition: border-color var(--transition);
  font-family: 'Noto Sans TC', sans-serif;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(58, 125, 68, 0.1); }
textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { cursor: pointer; }

/* —— Scroll Reveal —— */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* —— Back to top —— */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none;
  transition: var(--transition);
  z-index: 500;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-4px); }

/* —— Page Loader —— */
.page-loader {
  position: fixed; inset: 0;
  background: var(--cream);
  z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 16px;
  transition: opacity 0.6s, visibility 0.6s;
}
.page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-flower { font-size: 3rem; animation: spinPetal 1.2s linear infinite; }
@keyframes spinPetal {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.2); }
  100% { transform: rotate(360deg) scale(1); }
}
.loader-text { font-size: 0.88rem; color: var(--text-light); letter-spacing: 0.15em; font-family: 'Noto Sans TC', sans-serif; }

/* —— Info boxes —— */
.info-box {
  background: var(--primary-pale);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px;
  margin-bottom: 16px;
}
.info-box-title { font-weight: 700; color: var(--primary); font-size: 0.95rem; margin-bottom: 4px; }
.info-box-text { font-size: 0.88rem; color: var(--text-mid); font-family: 'Noto Sans TC', sans-serif; }

/* —— Tabs —— */
.tab-list { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.tab-btn {
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-mid);
  border: 2px solid var(--border);
  background: white;
  transition: var(--transition);
  cursor: pointer;
  font-family: 'Noto Sans TC', sans-serif;
}
.tab-btn:hover, .tab-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* —— Responsive —— */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-actions { flex-direction: column; align-items: center; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}