:root {
  --cream: #f2efe4;
  --green: #234530;
  --green-soft: #8db06a;
  --green-tint: #e2ead4;
  --orange: #e4a02e;
  --white: #fff;
  --text: #2c3a30;
  --muted: #6c7468;
  --line: #e1ddd0;
  --radius: 28px;
  --font-head: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, sans-serif;
  --font-hand: "Patrick Hand", cursive;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, 100% - 32px); margin-inline: auto; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--green);
  line-height: 1.02;
  letter-spacing: .2px;
}
h1 { font-size: clamp(44px, 6vw, 84px); }
h2 { font-size: clamp(32px, 4vw, 46px); }
h3 { font-size: 26px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 17px var(--font-body);
  padding: 16px 34px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-orange { background: var(--orange); color: var(--green); }
.btn-outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn-outline:hover { background: var(--green); color: var(--cream); }
.btn-green { background: var(--green); color: var(--cream); }
.btn-leaf { background: var(--green-soft); color: var(--green); }

/* ---------- Header ---------- */
.header { position: sticky; top: 0; z-index: 50; background: rgba(242,239,228,.92); backdrop-filter: blur(8px); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 96px; }
.logo { display: flex; align-items: center; gap: 10px; font: 800 28px var(--font-head); color: var(--green); }
.logo svg { width: 26px; height: 26px; }
.nav { display: flex; align-items: center; gap: 40px; font-weight: 500; font-size: 17px; }
.nav a:not(.btn):hover { color: var(--orange); }
.nav .btn { padding: 14px 30px; }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; }
.menu-toggle span { display: block; width: 26px; height: 3px; background: var(--green); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { padding: 30px 0 80px; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-text p { font-size: 18px; color: var(--muted); max-width: 460px; margin: 24px 0 36px; }
.hero-text .actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-img { position: relative; }
.hero-img .frame {
  border-radius: 40px 160px 40px 40px; overflow: hidden; aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, #c8dd7a, #6f9a3a);
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; left: -30px; bottom: -30px;
  width: 180px; height: 180px; border-radius: 50%;
  background: var(--orange); color: var(--green);
  display: grid; place-items: center; text-align: center;
  font: 30px/1.1 var(--font-hand); transform: rotate(-6deg);
}

/* ---------- Image placeholder (khi chưa có ảnh) ---------- */
.ph {
  width: 100%; height: 100%; display: grid; place-items: center;
  background: linear-gradient(150deg, #d9e8a2, #9cc25a 60%, #6d9a35);
  color: var(--green); font: 72px var(--font-hand);
}

/* ---------- Sections ---------- */
section { scroll-margin-top: 96px; }
.section { padding: 90px 0; }
.eyebrow { font: 24px var(--font-hand); color: var(--orange); display: block; margin-bottom: 6px; }

/* Products */
.products .container { max-width: 1040px; }
.products h2 { max-width: 560px; margin-bottom: 44px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { border-radius: var(--radius); overflow: hidden; background: var(--white); display: flex; flex-direction: column; transition: transform .2s; }
.card:hover { transform: translateY(-4px); }
.card .thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--green-tint); }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transition: transform .4s; }
.card:hover .thumb img { transform: scale(1.04); }
.card .body { padding: 26px 24px 28px; flex: 1; }
.card .price { font-size: 14px; text-transform: uppercase; color: var(--muted); margin: 6px 0 4px; }
.card .desc { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.card .order-link { font-weight: 600; font-size: 15px; display: inline-flex; gap: 6px; }
.card .order-link:hover { text-decoration: underline; }
.card.dark { background: var(--green); }
.card.dark h3 { color: var(--cream); }
.card.dark .price, .card.dark .desc { color: #c9d3c3; }
.card.dark .order-link { color: var(--orange); }
.card.orange { background: var(--orange); }
.card.orange .price, .card.orange .desc { color: #4d3a14; }

/* Steps */
.steps .container { display: grid; grid-template-columns: 400px 1fr; gap: 48px; max-width: 1020px; }
.steps h2 { margin-bottom: 32px; }
.steps .side-img { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; }
.steps .side-img img { width: 100%; height: 100%; object-fit: cover; object-position: 30% center; }
.step-list { display: grid; gap: 16px; align-content: start; }
.step { background: var(--white); border-radius: var(--radius); padding: 26px 30px; display: flex; gap: 20px; }
.step .num { font: 800 40px/1 var(--font-head); color: var(--green-soft); }
.step h3 { font-size: 22px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); }

/* Order */
.order { background: var(--green); color: var(--cream); }
.order .container { display: grid; grid-template-columns: 1fr 480px; gap: 50px; max-width: 1020px; }
.order h2 { color: var(--cream); margin-bottom: 40px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 30px; }
.contact-grid small { display: block; color: #a7b5a3; font-size: 13px; margin-bottom: 4px; }
.contact-grid .big { font: 800 24px var(--font-head); }
.contact-grid a:hover { color: var(--orange); }

.form-card { background: var(--cream); color: var(--text); border-radius: var(--radius); padding: 34px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; color: var(--green); }
.field input, .field textarea {
  width: 100%; font: 15px var(--font-body); color: var(--text);
  padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--white);
  outline: none; transition: border .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { border-color: var(--green-soft); box-shadow: 0 0 0 3px rgba(141,176,106,.25); }
.field textarea { min-height: 80px; resize: vertical; }
.field .error { color: #c0392b; font-size: 12px; margin-top: 4px; display: none; }
.field.invalid input { border-color: #c0392b; }
.field.invalid .error { display: block; }

.picker { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 20px; }
.picker h4 { font: 800 20px var(--font-head); text-transform: uppercase; color: var(--green); }
.picker > p { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.qty-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1px solid var(--line); border-radius: 14px; padding: 8px 8px 8px 14px; margin-bottom: 10px;
}
.qty-row .name { font-size: 14px; font-weight: 600; }
.qty-row .name small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.stepper { display: flex; align-items: center; gap: 4px; }
.stepper button {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--cream); color: var(--green); font-size: 18px; cursor: pointer;
}
.stepper button:hover { background: var(--green-tint); }
.stepper input { width: 48px; text-align: center; padding: 6px; border-radius: 10px; border: 1px solid var(--line); font: 600 15px var(--font-body); }
.picker .total { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 14px; margin-top: 6px; font-weight: 600; }
.picker .total strong { color: var(--green); font-size: 18px; }
.picker-error { color: #c0392b; font-size: 12px; margin-top: 8px; display: none; }
.picker.invalid { border-color: #c0392b; }
.picker.invalid + .picker-error { display: block; }
.form-card .btn { width: 100%; margin-top: 8px; }

/* Footer */
.footer { background: var(--green); color: #a7b5a3; border-top: 1px solid rgba(255,255,255,.1); font-size: 15px; }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 28px; padding: 44px 0 30px; }
.footer .logo { color: var(--cream); margin-bottom: 6px; }
.footer-brand p { max-width: 320px; }
.footer-links { list-style: none; display: grid; gap: 12px; }
.footer-links li { display: flex; align-items: center; gap: 10px; color: var(--cream); }
.footer-links svg { width: 20px; height: 20px; color: var(--orange); flex: none; }
.footer-links a { word-break: break-all; }
.footer-links a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0 24px; font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero .container, .steps .container, .order .container { grid-template-columns: 1fr; }
  .hero-img { max-width: 520px; margin: 0 auto 30px; }
  .badge { left: 0; width: 140px; height: 140px; font-size: 24px; }
  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 96px; left: 0; right: 0; background: var(--cream);
    flex-direction: column; padding: 20px; gap: 18px; display: none;
    box-shadow: 0 10px 20px rgba(0,0,0,.06);
  }
  .nav.open { display: flex; }
}
@media (max-width: 640px) {
  .grid-2, .form-row, .contact-grid { grid-template-columns: 1fr; }
  .form-card { padding: 22px; }
  .section { padding: 64px 0; }
}