:root {
  --dark-green: #0F5132;
  --emerald: #16A34A;
  --gold: #F59E0B;
  --gray-bg: #F6F7F8;
  --border-soft: #E7EAE8;
  --text-main: #1C2521;
  --text-muted: #5B6864;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-soft: 0 8px 30px rgba(15, 81, 50, 0.08);
  --shadow-hover: 0 16px 40px rgba(15, 81, 50, 0.14);
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background: #fff;
  line-height: 1.6;
}

h1, h2, h3, h4, .display-font {
  font-family: 'Poppins', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

a { text-decoration: none; }

.text-emerald { color: var(--emerald); }
.text-gold { color: var(--gold); }
.text-dark-green { color: var(--dark-green); }
.bg-gray-soft { background: var(--gray-bg); }

.btn-primary-pvc {
  background: var(--emerald);
  border: 1px solid var(--emerald);
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  transition: all .2s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary-pvc:hover { background: var(--dark-green); border-color: var(--dark-green); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.btn-outline-pvc {
  background: transparent;
  border: 1.5px solid var(--dark-green);
  color: var(--dark-green);
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  transition: all .2s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline-pvc:hover { background: var(--dark-green); color: #fff; }

.btn-gold {
  background: var(--gold);
  border: 1px solid var(--gold);
  color: #fff;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600;
}
.btn-gold:hover { background: #d98708; border-color: #d98708; color: #fff; }

/* ---- Header ---- */
.site-header {
  background: #fff;
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow .2s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.06); border-bottom-color: var(--border-soft); }

.brand-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.3rem; color: var(--dark-green);
  font-family: 'Poppins', sans-serif;
}
.brand-logo .icon-box {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--dark-green), var(--emerald));
  display: flex; align-items: center; justify-content: center; color: #fff;
}

.main-nav a {
  color: var(--text-main);
  font-weight: 500;
  margin: 0 14px;
  font-size: .96rem;
  position: relative;
  padding: 6px 0;
}
.main-nav a:hover, .main-nav a.active { color: var(--emerald); }
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--gold); transition: width .2s ease;
}
.main-nav a:hover::after { width: 100%; }

/* ---- Hero ---- */
.hero-section {
  background: linear-gradient(180deg, #F0F9F3 0%, #fff 100%);
  padding: 70px 0 60px;
  overflow: hidden;
  position: relative;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(22,163,74,.1); color: var(--dark-green);
  padding: 6px 16px; border-radius: 50px; font-size: .82rem; font-weight: 600; margin-bottom: 18px;
}
.hero-title { font-size: 2.6rem; line-height: 1.15; color: var(--dark-green); margin-bottom: 18px; }
.hero-title .highlight { color: var(--emerald); position: relative; }
.hero-sub { font-size: 1.08rem; color: var(--text-muted); margin-bottom: 28px; max-width: 520px; }

.trust-row { display: flex; gap: 24px; margin-top: 34px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--text-muted); font-weight: 500; }
.trust-item i { color: var(--emerald); font-size: 1.1rem; }

.hero-card-mockup {
  background: linear-gradient(135deg, var(--dark-green), #0a3a24);
  border-radius: 24px;
  padding: 34px;
  color: #fff;
  box-shadow: var(--shadow-hover);
  position: relative;
  transform: rotate(2deg);
}
.hero-card-mockup .chip { width: 42px; height: 32px; background: var(--gold); border-radius: 6px; margin-bottom: 20px; }
.hero-card-mockup .line { height: 8px; background: rgba(255,255,255,.25); border-radius: 4px; margin-bottom: 10px; }
.hero-card-mockup .line.short { width: 50%; }

/* ---- Hero photo frame (used when a real product photo is supplied) ---- */
.hero-photo-wrap {
  position: relative;
  isolation: isolate;
}
.hero-photo-wrap::before {
  content: '';
  position: absolute;
  inset: -6% -10% -6% -6%;
  background: radial-gradient(circle at 30% 30%, rgba(22,163,74,.18), transparent 60%),
              radial-gradient(circle at 75% 70%, rgba(245,158,11,.16), transparent 55%);
  border-radius: 50%;
  z-index: -1;
  filter: blur(2px);
}
.hero-photo-frame {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--dark-green), #0a3a24);
}
.hero-photo-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-floating-badge {
  position: absolute;
  bottom: -22px; left: -22px;
  background: #fff;
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: var(--shadow-hover);
  display: flex; align-items: center; gap: 12px;
  min-width: 200px;
}
.hero-floating-badge .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(22,163,74,.12); color: var(--emerald);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.hero-floating-badge .label { font-size: .74rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.hero-floating-badge .value { font-size: .95rem; font-weight: 700; color: var(--dark-green); }

@media (max-width: 991.98px) {
  .hero-floating-badge { left: 12px; bottom: -18px; padding: 10px 14px; min-width: auto; }
}

/* ---- Stats bar ---- */
.stats-bar {
  background: linear-gradient(135deg, var(--dark-green), #0a3a24);
  padding: 32px 0;
}
.stat-block { text-align: center; color: #fff; }
.stat-block .num { font-size: 2rem; font-weight: 800; font-family: 'Poppins', sans-serif; color: var(--gold); }
.stat-block .label { font-size: .82rem; opacity: .85; margin-top: 2px; }

/* ---- Comparison table ---- */
.compare-table { border-collapse: separate; border-spacing: 0; width: 100%; }
.compare-table th, .compare-table td { padding: 14px 18px; border-bottom: 1px solid var(--border-soft); font-size: .92rem; text-align: left; }
.compare-table thead th { background: var(--gray-bg); font-weight: 700; color: var(--dark-green); }
.compare-table td:first-child, .compare-table th:first-child { font-weight: 600; }
.compare-table .col-pvc { background: rgba(22,163,74,.05); }
.compare-table .check { color: var(--emerald); font-size: 1.1rem; }
.compare-table .cross { color: #DC2626; font-size: 1.1rem; }

/* ---- How it works image ---- */
.how-it-works-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 5/4;
}
.how-it-works-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---- Section titles ---- */
.section-pad { padding: 64px 0; }
.section-eyebrow { color: var(--emerald); font-weight: 700; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.section-title { font-size: 2rem; color: var(--dark-green); margin: 6px 0 10px; }
.section-sub { color: var(--text-muted); max-width: 600px; }

/* ---- Product cards ---- */
.product-card {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .25s ease;
  height: 100%;
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: transparent; }
.product-card .img-wrap { aspect-ratio: 4/3; background: var(--gray-bg); overflow: hidden; position: relative; }
.product-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .img-wrap img { transform: scale(1.06); }
.product-card .discount-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--gold); color: #fff; font-size: .74rem; font-weight: 700;
  padding: 4px 10px; border-radius: 50px;
}
.product-card .body { padding: 18px 20px; display: flex; flex-direction: column; flex: 1; }
.product-card h5 { font-size: 1.05rem; margin-bottom: 6px; color: var(--text-main); }
.product-card .desc { font-size: .87rem; color: var(--text-muted); margin-bottom: 12px; flex: 1; }
.product-card .price-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.product-card .price { font-size: 1.2rem; font-weight: 800; color: var(--dark-green); }
.product-card .price-old { text-decoration: line-through; color: #9CA3AF; font-size: .88rem; }
.product-card .delivery-info { font-size: .78rem; color: var(--text-muted); margin-bottom: 14px; display: flex; align-items: center; gap: 6px; }

/* ---- How it works ---- */
.step-card { text-align: center; padding: 20px; }
.step-num {
  width: 56px; height: 56px; border-radius: 16px;
  background: linear-gradient(135deg, var(--dark-green), var(--emerald));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.3rem; margin: 0 auto 16px;
}
.step-card h6 { font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: .88rem; color: var(--text-muted); }

/* ---- Why choose us ---- */
.feature-item { display: flex; gap: 16px; margin-bottom: 26px; }
.feature-icon {
  width: 48px; height: 48px; min-width: 48px; border-radius: 12px;
  background: rgba(245,158,11,.12); color: var(--gold);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}

/* ---- Reviews ---- */
.review-card {
  background: #fff; border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 24px; height: 100%;
}
.review-stars { color: var(--gold); margin-bottom: 10px; }

/* ---- FAQ ---- */
.accordion-button:not(.collapsed) { background: rgba(22,163,74,.06); color: var(--dark-green); }
.accordion-button:focus { box-shadow: none; }

/* ---- Final CTA ---- */
.final-cta {
  background: linear-gradient(135deg, var(--dark-green), #0a3a24);
  border-radius: 28px;
  padding: 56px 40px;
  color: #fff;
  text-align: center;
}

/* ---- Footer ---- */
.site-footer { background: #0B2E1D; color: rgba(255,255,255,.75); padding: 56px 0 24px; }
.site-footer h6 { color: #fff; font-weight: 700; margin-bottom: 16px; }
.site-footer a { color: rgba(255,255,255,.7); display: block; margin-bottom: 10px; font-size: .92rem; }
.site-footer a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 36px; padding-top: 20px; font-size: .82rem; color: rgba(255,255,255,.5); }

/* ---- Track order timeline ---- */
.track-timeline { position: relative; padding-left: 30px; }
.track-timeline::before { content:''; position:absolute; left:9px; top:6px; bottom:6px; width:2px; background: var(--border-soft); }
.track-step { position: relative; padding-bottom: 26px; }
.track-step .dot { position: absolute; left: -30px; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: #E5E7EB; border: 3px solid #fff; box-shadow: 0 0 0 2px #E5E7EB; }
.track-step.done .dot { background: var(--emerald); box-shadow: 0 0 0 2px var(--emerald); }
.track-step.done h6 { color: var(--dark-green); }

/* ---- Forms ---- */
.form-control, .form-select { border-radius: 10px; padding: 10px 14px; border: 1px solid var(--border-soft); }
.form-control:focus, .form-select:focus { border-color: var(--emerald); box-shadow: 0 0 0 3px rgba(22,163,74,.12); }

.upload-box {
  border: 2px dashed var(--border-soft);
  border-radius: var(--radius-md);
  padding: 22px; text-align: center; cursor: pointer;
  transition: all .2s ease;
  background: var(--gray-bg);
}
.upload-box:hover, .upload-box.dragover { border-color: var(--emerald); background: rgba(22,163,74,.05); }
.upload-box.has-file { border-style: solid; border-color: var(--emerald); background: rgba(22,163,74,.05); }

/* Mobile nav */
.mobile-nav-toggle { display: none; }
@media (max-width: 991.98px) {
  .main-nav { display: none; }
  .mobile-nav-toggle { display: block; }
  .hero-title { font-size: 2rem; }
}

@media (max-width: 575.98px) {
  .section-pad { padding: 44px 0; }
  .section-title { font-size: 1.5rem; }
  .final-cta { padding: 40px 20px; border-radius: 20px; }
}