/* ============================================================
   RJ Foods — 自然农业风格全局样式
   配色：暖米底 + 森林绿 + 暖棕 + 橙点缀
   ============================================================ */

:root {
  --green-900: #234a30;
  --green-700: #3e7c4f;
  --green-500: #6aa84f;
  --green-100: #e4efd9;
  --cream: #faf6ee;
  --cream-2: #f3ecdc;
  --brown: #8a6a45;
  --orange: #e08b3c;
  --text: #2f3328;
  --text-soft: #5c6255;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(46, 61, 42, 0.08);
  --shadow-lg: 0 18px 45px rgba(46, 61, 42, 0.14);
  --font-head: "Playfair Display", "Noto Serif KR", Georgia, serif;
  --font-body: "Noto Sans", "Noto Sans KR", "Segoe UI", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text);
  background: var(--cream);
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.25;
  color: var(--green-900);
  font-weight: 700;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.section { padding: 88px 0; }
.section--alt { background: var(--cream-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--orange);
  display: block;
}

.section-title { font-size: clamp(30px, 4vw, 42px); margin-bottom: 16px; }
.section-sub { color: var(--text-soft); max-width: 700px; margin-bottom: 44px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn--primary {
  background: var(--green-700);
  color: #fff;
  box-shadow: 0 6px 18px rgba(62, 124, 79, 0.35);
}
.btn--primary:hover { background: var(--green-900); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--green-900); border-color: var(--green-700); }
.btn--ghost:hover { background: var(--green-100); }
.btn--light { background: #fff; color: var(--green-900); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(62, 124, 79, 0.12);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--green-900);
}
.brand svg { width: 40px; height: 40px; }
.brand span small {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brown);
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav__link {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  position: relative;
  padding: 6px 0;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width 0.25s ease;
}
.nav__link:hover::after, .nav__link.is-active::after { width: 100%; }
.nav__cta { margin-left: 6px; padding: 11px 24px; font-size: 14px; }

.lang-switch {
  position: relative;
}
.lang-switch__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1.5px solid rgba(62, 124, 79, 0.35);
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
  font-size: 14px;
  color: var(--green-900);
  cursor: pointer;
}
.lang-switch__btn svg { width: 16px; height: 16px; transition: transform 0.2s; }
.lang-switch.open .lang-switch__btn svg { transform: rotate(180deg); }
.lang-switch__list {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  min-width: 170px;
  display: none;
}
.lang-switch.open .lang-switch__list { display: block; animation: drop 0.2s ease; }
@keyframes drop { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.lang-switch__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}
.lang-switch__list a:hover { background: var(--green-100); }
.lang-switch__list a.is-current { color: var(--orange); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__burger span {
  width: 26px; height: 2.5px;
  background: var(--green-900);
  border-radius: 2px;
  transition: 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 110px 0 130px;
  background:
    radial-gradient(circle at 85% 15%, rgba(106, 168, 79, 0.16), transparent 42%),
    radial-gradient(circle at 8% 85%, rgba(224, 139, 60, 0.13), transparent 40%),
    linear-gradient(180deg, #f6efdd 0%, var(--cream) 100%);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid rgba(62, 124, 79, 0.2);
  color: var(--green-700);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(38px, 5.4vw, 60px);
  margin-bottom: 22px;
}
.hero__title em {
  font-style: normal;
  color: var(--orange);
}
.hero__desc {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__stats {
  display: flex;
  gap: 44px;
  margin-top: 48px;
  padding-top: 30px;
  border-top: 1px solid rgba(62, 124, 79, 0.18);
}
.hero__stat strong {
  font-family: var(--font-head);
  font-size: 32px;
  color: var(--green-700);
  display: block;
}
.hero__stat span { font-size: 14px; color: var(--text-soft); }

.hero__art {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.hero__card {
  background: #fff;
  border-radius: 22px;
  padding: 26px 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(62, 124, 79, 0.1);
  transition: transform 0.3s;
}
.hero__card:hover { transform: translateY(-6px); }
.hero__card h4 { font-size: 19px; margin: 14px 0 6px; }
.hero__card p { font-size: 14px; color: var(--text-soft); }
.hero__card .vege-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 30px;
}
.vege-icon--onion { background: #f3e3d0; }
.vege-icon--tomato { background: #f6dcd2; }
.vege-icon--carrot { background: #fae5c8; }
.vege-icon--spinach { background: #e0ead2; }

/* ---------- 产品网格 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 26px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(62, 124, 79, 0.1);
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-card__img {
  height: 190px;
  display: grid;
  place-items: center;
  font-size: 74px;
  position: relative;
  overflow: hidden;
}
.product-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.05));
}
.product-card__img img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 6px 16px rgba(46, 61, 42, 0.18));
}
.product-card--bg1 { background: linear-gradient(140deg, #f6e7d4, #f3dcc0); }
.product-card--bg2 { background: linear-gradient(140deg, #fde8df, #f7cdbd); }
.product-card--bg3 { background: linear-gradient(140deg, #f8edcf, #f0dcab); }
.product-card--bg4 { background: linear-gradient(140deg, #e6edd6, #cfdec0); }
.product-card--bg5 { background: linear-gradient(140deg, #f5e3d9, #ecd0bf); }
.product-card--bg6 { background: linear-gradient(140deg, #e3e8f0, #cdd7e6); }
.product-card__body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.product-card__name { font-size: 20px; margin-bottom: 6px; }
.product-card__en { font-size: 12.5px; color: var(--brown); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 10px; }
.product-card__desc { font-size: 14.5px; color: var(--text-soft); margin-bottom: 16px; flex: 1; }
.product-card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--green-700);
  background: var(--green-100);
  padding: 4px 12px;
  border-radius: 999px;
}
.product-card__link {
  font-weight: 700;
  font-size: 14px;
  color: var(--green-700);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}
.product-card__link svg { width: 16px; height: 16px; transition: transform 0.2s; }
.product-card__link:hover svg { transform: translateX(4px); }

/* ---------- 特性区 ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 26px;
  border: 1px solid rgba(62, 124, 79, 0.1);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}
.feature:hover { transform: translateY(-5px); }
.feature__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--green-100);
  color: var(--green-700);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.feature__icon svg { width: 26px; height: 26px; }
.feature h3 { font-size: 19px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: var(--text-soft); }

/* ---------- 质量/认证 ---------- */
.quality {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.quality__visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 420px;
  background: linear-gradient(150deg, #eef3df, #dbe7c4);
  display: grid;
  place-items: center;
}
.quality__badge {
  position: absolute;
  top: 22px; right: 22px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.quality__check { margin: 18px 0 6px; font-weight: 700; color: var(--green-900); display: flex; gap: 12px; align-items: flex-start; }
.quality__check svg { width: 22px; height: 22px; color: var(--green-500); flex-shrink: 0; margin-top: 2px; }
.quality__check p { font-weight: 400; color: var(--text-soft); font-size: 14.5px; margin-top: 4px; }

/* ---------- CTA横幅 ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--green-900), var(--green-700));
  border-radius: 26px;
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  top: -120px; right: -80px;
}
.cta-banner h2 { color: #fff; font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 10px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 560px; }

/* ---------- 关于区 ---------- */
.about {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.about__visual {
  border-radius: 24px;
  overflow: hidden;
  min-height: 380px;
  background: linear-gradient(150deg, #f6e7d4, #eed9bb);
  display: grid;
  place-items: center;
}
.about__list { margin-top: 24px; display: grid; gap: 16px; }
.about__list li { display: flex; gap: 14px; font-weight: 600; }
.about__list svg { width: 22px; height: 22px; color: var(--orange); flex-shrink: 0; margin-top: 2px; }

/* ---------- 联系表单 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
}
.contact-info__item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px dashed rgba(62, 124, 79, 0.2);
}
.contact-info__item:last-child { border-bottom: none; }
.contact-info__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--green-100);
  color: var(--green-700);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-info__icon svg { width: 22px; height: 22px; }
.contact-info__item strong { display: block; font-size: 15px; color: var(--green-900); }
.contact-info__item span, .contact-info__item a { font-size: 14.5px; color: var(--text-soft); }
.contact-info__item a:hover { color: var(--green-700); }

.contact-form {
  background: #fff;
  border-radius: 22px;
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(62, 124, 79, 0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: 7px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid rgba(62, 124, 79, 0.22);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  background: var(--cream);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 4px rgba(106, 168, 79, 0.15);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--text-soft); margin-top: 12px; }
.form-success {
  display: none;
  background: var(--green-100);
  border: 1px solid var(--green-500);
  color: var(--green-900);
  padding: 16px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14.5px;
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.footer { background: var(--green-900); color: rgba(255,255,255,0.75); padding: 70px 0 30px; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  margin-bottom: 48px;
}
.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
}
.footer .brand { color: #fff; margin-bottom: 14px; }
.footer p { font-size: 14px; }
.footer ul li { margin-bottom: 10px; font-size: 14px; }
.footer ul a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

/* ---------- 语言标签栏（可选，放在footer上） ---------- */
.langs { display: flex; gap: 10px; flex-wrap: wrap; }
.langs a {
  font-size: 12.5px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
}
.langs a:hover { background: rgba(255,255,255,0.12); color: #fff; }

.footer__beian { font-size: 12.5px; color: rgba(255,255,255,0.6); transition: color .2s; }
.footer__beian:hover { color: #fff; }

/* ---------- 页面横幅（产品/关于/联系页顶部） ---------- */
.page-hero {
  background:
    radial-gradient(circle at 88% 20%, rgba(106,168,79,0.18), transparent 45%),
    linear-gradient(180deg, #f3ebd7, var(--cream));
  padding: 76px 0 72px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(32px, 4.6vw, 48px); margin-bottom: 14px; }
.page-hero p { color: var(--text-soft); max-width: 620px; margin: 0 auto; }

/* ---------- 分类标签 ---------- */
.cat-pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 10px;
}
.cat-pill {
  font-size: 13.5px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: 999px;
  background: #fff;
  border: 1.5px solid rgba(62,124,79,0.25);
  color: var(--green-900);
  cursor: pointer;
  transition: 0.2s;
}
.cat-pill:hover, .cat-pill.is-active { background: var(--green-700); color: #fff; border-color: var(--green-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero__grid, .quality, .about, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 70px 0 90px; }
  .hero__art { margin-top: 20px; }
  .cta-banner { flex-direction: column; align-items: flex-start; padding: 44px 32px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav__menu {
    position: fixed;
    inset: 78px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--cream);
    padding: 24px 24px 30px;
    gap: 18px;
    border-bottom: 1px solid rgba(62,124,79,0.15);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
  }
  .nav__menu.open { transform: translateY(0); }
  .nav__burger { display: flex; }
  .nav__cta { margin-left: 0; text-align: center; }
  .lang-switch { position: static; }
  .lang-switch__list { position: static; box-shadow: none; border: 1px solid rgba(62,124,79,0.15); margin-top: 4px; }
  .form-row { grid-template-columns: 1fr; }
  .hero__stats { gap: 24px; flex-wrap: wrap; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 28px 22px; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .product-card__img { height: 150px; font-size: 56px; }
  .hero__art { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hero__card { padding: 18px 16px; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* ---------- 动画 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}
.reveal { opacity: 0; }
.reveal.in-view { animation: fadeUp 0.7s ease forwards; }

/* ---------- 无障碍/焦点 ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}