/* ============================================
   GreenSpace — Custom Styles
   (Bổ sung cho Tailwind CDN)
   ============================================ */

:root {
  --primary: #2E7D32;
  --secondary: #4CAF50;
  --accent: #8BC34A;
}

html { scroll-behavior: smooth; }
body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ===== Global scale (giảm tỉ lệ tổng thể) =====
   Mọi spacing/font/container đều tính theo rem nên chỉ cần
   chỉnh font-size gốc là toàn bộ UI thu nhỏ đồng đều. */
html { font-size: 15px; }                 /* Mobile mặc định (16 -> 15) */
@media (min-width: 768px)  { html { font-size: 14.5px; } } /* Tablet */
@media (min-width: 1024px) { html { font-size: 14px; } }   /* Laptop */
@media (min-width: 1440px) { html { font-size: 15px; } }   /* Màn lớn */

/* Siết chiều rộng tối đa của các khối nội dung cho gọn hơn */
.max-w-7xl { max-width: 1140px !important; }
.max-w-5xl { max-width: 880px  !important; }

/* ===== Header states ===== */
/* Logo luôn hiện rõ kể cả trên hero tối */
#header .logo-light {
  filter: drop-shadow(0 1px 6px rgba(0,0,0,0.35));
}

/* Mobile (< 640px): ẩn logo, chỉ hiện chữ */
@media (max-width: 639px) {
  #header .logo-light { display: none !important; }
}
#header.scrolled {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.dark #header.scrolled {
  background-color: rgba(15, 23, 42, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* ===== Nav links ===== */
.nav-link {
  position: relative;
  color: #1E293B;
  transition: color .25s ease;
}
.dark .nav-link { color: #e2e8f0; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--secondary);
  transition: width .3s ease;
}
.nav-link:hover { color: var(--primary); }
.dark .nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }

/* Header trên hero (chưa cuộn) chữ sáng để dễ đọc */
#header:not(.scrolled) .nav-link { color: #ffffff; }
#header:not(.scrolled) .nav-link:hover { color: var(--accent); }

.mobile-link {
  display: block;
  padding: .65rem .75rem;
  border-radius: .6rem;
  color: #1E293B;
  transition: all .2s ease;
}
.dark .mobile-link { color: #e2e8f0; }
.mobile-link:hover {
  background: rgba(76, 175, 80, .12);
  color: var(--primary);
  padding-left: 1.1rem;
}
.dark .mobile-link:hover { color: var(--accent); }

/* ===== Buttons ===== */
.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: .8rem 1.8rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(46, 125, 50, .35);
  transition: all .3s ease;
}
.btn-primary:hover { background: var(--secondary); transform: translateY(-3px); box-shadow: 0 12px 26px rgba(46,125,50,.45); }

.btn-outline {
  border: 2px solid #fff;
  color: #fff;
  padding: .75rem 1.8rem;
  border-radius: 9999px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: all .3s ease;
}
.btn-outline:hover { background: #fff; color: var(--primary); transform: translateY(-3px); }

.btn-outline-green {
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: .75rem 1.8rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: all .3s ease;
}
.dark .btn-outline-green { border-color: var(--accent); color: var(--accent); }
.btn-outline-green:hover { background: var(--primary); color: #fff; }
.dark .btn-outline-green:hover { background: var(--accent); color: #0F172A; }

.btn-light {
  background: #fff;
  color: var(--primary);
  padding: .85rem 2rem;
  border-radius: 9999px;
  font-weight: 700;
  transition: all .3s ease;
  box-shadow: 0 8px 22px rgba(0,0,0,.2);
}
.btn-light:hover { transform: translateY(-3px) scale(1.03); }

/* ===== Section titles ===== */
.section-title {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--primary);
  line-height: 1.2;
}
.dark .section-title { color: var(--accent); }
.section-sub {
  margin-top: .9rem;
  color: #475569;
  font-size: 1rem;
  line-height: 1.7;
}
.dark .section-sub { color: #94a3b8; }

/* ===== Slider ===== */
.slide { z-index: 0; }
.slide[data-active="true"] { opacity: 1; z-index: 1; }

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 9999px;
  color: #fff;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.3);
  transition: all .25s ease;
}
.slider-arrow:hover { background: var(--primary); }

.dot {
  width: 10px; height: 10px;
  border-radius: 9999px;
  background: rgba(255,255,255,.5);
  cursor: pointer;
  transition: all .3s ease;
}
.dot.active { width: 30px; background: var(--accent); }

/* ===== Product / generic cards ===== */
.card {
  background: #fff;
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
  transition: transform .35s ease, box-shadow .35s ease;
}
.dark .card { background: #1e293b; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(46,125,50,.18); }

.card-img-wrap { overflow: hidden; }
.card-img { transition: transform .6s ease; }
.card:hover .card-img { transform: scale(1.08); }

/* ===== About points ===== */
.about-point { display: flex; gap: .9rem; align-items: flex-start; }
.about-point span { font-size: 1.5rem; line-height: 1; }
.about-point h4 { font-weight: 700; color: var(--primary); }
.dark .about-point h4 { color: var(--accent); }
.about-point p { color: #475569; font-size: .95rem; }
.dark .about-point p { color: #94a3b8; }

/* ===== Counter ===== */
.counter-box { padding: 1rem .5rem; }
.counter {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--primary);
}
.dark .counter { color: var(--accent); }
.counter-box span { font-size: .85rem; color: #475569; }
.dark .counter-box span { color: #94a3b8; }

/* ===== Contact ===== */
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item span { font-size: 1.4rem; }
.contact-item h4 { font-weight: 700; color: var(--primary); }
.dark .contact-item h4 { color: var(--accent); }
.contact-item p { color: #475569; }
.dark .contact-item p { color: #cbd5e1; }

/* ===== Social bar (trên danh mục sản phẩm) ===== */
.social-bar-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.2rem;
  border-radius: 9999px;
  background: rgba(46,125,50,.08);
  color: var(--primary);
  font-size: .9rem;
  font-weight: 600;
  transition: all .25s ease;
}
.dark .social-bar-btn { background: rgba(139,195,74,.12); color: var(--accent); }
.social-bar-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.dark .social-bar-btn:hover { background: var(--accent); color: #0F172A; }

/* ===== Footer ===== */
.footer-title { color: #fff; font-weight: 700; font-family: 'Be Vietnam Pro', sans-serif; margin-bottom: 1.1rem; font-size: 1.05rem; }
.footer-link { color: #9ca3af; transition: color .2s ease; }
.footer-link:hover { color: var(--accent); padding-left: 3px; }
.social-btn {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 9999px;
  background: rgba(255,255,255,.08);
  color: #fff;
  transition: all .3s ease;
}
.social-btn:hover { background: var(--primary); transform: translateY(-3px); }

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.show { opacity: 1; transform: translateY(0); }

/* ===== Skeleton loading ===== */
.skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.dark .skeleton {
  background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
  background-size: 200% 100%;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Responsive tinh chỉnh cho mobile ===== */
@media (max-width: 640px) {
  .btn-primary, .btn-outline, .btn-outline-green {
    padding: .6rem 1.3rem;
    font-size: .9rem;
  }
  .btn-light { padding: .65rem 1.5rem; font-size: .95rem; }
  .slider-arrow { width: 36px; height: 36px; }
  .slider-arrow svg { width: 1.1rem; height: 1.1rem; }
  .section-sub { font-size: .9rem; }
  .about-point span { font-size: 1.25rem; }
  .contact-item { gap: .5rem; }
  .contact-item span { font-size: 1.1rem; }
  .contact-item h4 { font-size: .85rem; }
  .contact-item p { font-size: .8rem; word-break: break-word; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}