/* ============ TOKENS ============ */
:root {
  /* 墨绿 base — deep green foundation (prosperity / growth in West-Africa & Islamic contexts) */
  --bg: #14241d;
  --bg-2: #1a2e25;
  --bg-3: #21392e;
  /* 古铜 accent — warm metallic bronze replaces bright gold for a more refined, grounded luxury */
  --gold: #b9893f;
  --gold-light: #d8b273;
  --gold-deep: #8f6a2f;
  /* secondary green tint for accent chips on the green base */
  --green: #2f5d49;
  --green-light: #5fa07f;
  --green-border: rgba(95, 160, 127, 0.30);
  /* warm cream text instead of cold gray */
  --text: #f1ece1;
  --muted: #a9b5a8;
  --border: rgba(185, 137, 63, 0.26);
  --border-soft: rgba(210, 230, 215, 0.09);
  --max: 1180px;
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============ SHARED ============ */
.section__head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section__head--left { text-align: left; margin-left: 0; }
.section__eyebrow {
  font-size: 0.78rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--gold); font-weight: 600; margin-bottom: 0.9rem;
}
.section__title {
  font-family: var(--serif); font-weight: 700; line-height: 1.15;
  font-size: clamp(1.8rem, 4vw, 2.8rem); color: #fff;
}
.section__lead { color: var(--muted); margin-top: 1rem; font-size: 1.02rem; }

.btn {
  display: inline-block; padding: 0.85rem 1.9rem; border-radius: 2px;
  font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
  transition: all 0.25s ease; cursor: pointer; border: 1px solid transparent;
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-deep));
  color: #14241d; box-shadow: 0 6px 24px rgba(185, 137, 63, 0.28);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(185, 137, 63, 0.42); }
.btn--ghost { border-color: var(--gold); color: var(--gold-light); background: transparent; }
.btn--ghost:hover { background: rgba(185, 137, 63, 0.10); }
.btn--full { width: 100%; }

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.1rem 0; transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(20, 36, 29, 0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft); padding: 0.8rem 0;
}
.nav__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand__mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 800; font-size: 1.2rem;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-deep));
  color: #14241d; border-radius: 3px;
}
.brand__name {
  font-family: var(--serif); font-weight: 700; letter-spacing: 0.08em;
  font-size: 1.05rem; display: flex; flex-direction: column; line-height: 1;
}
.brand__sub { font-size: 0.62rem; letter-spacing: 0.42em; color: var(--gold); margin-top: 3px; }
.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links a { font-size: 0.92rem; color: #d8d8de; transition: color 0.2s; }
.nav__links a:hover { color: var(--gold-light); }
.nav__cta {
  border: 1px solid var(--gold); color: var(--gold-light) !important;
  padding: 0.55rem 1.3rem; border-radius: 2px;
}
.nav__cta:hover { background: rgba(185, 137, 63, 0.12); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; }
.nav__toggle span { width: 26px; height: 2px; background: var(--gold-light); transition: 0.3s; }

/* ============ LANGUAGE SWITCH ============ */
.lang-switch { display: flex; align-items: center; gap: 0.35rem; margin-left: 1.4rem; }
.lang-switch__btn {
  background: none; border: 0; cursor: pointer; font-family: var(--sans);
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; color: var(--muted);
  padding: 0.2rem 0.1rem; transition: color 0.2s;
}
.lang-switch__btn.is-active { color: var(--gold-light); }
.lang-switch__btn:hover { color: var(--gold-light); }
.lang-switch__sep { color: var(--border-soft); font-size: 0.78rem; }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100vh; display: grid; place-items: center; text-align: center; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(185, 137, 63, 0.16), transparent 70%),
    radial-gradient(ellipse 70% 55% at 80% 100%, rgba(47, 93, 73, 0.55), transparent 75%),
    linear-gradient(180deg, #14241d, #1a2e25 60%, #14241d);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 60px 60px; opacity: 0.35; mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero__content { position: relative; z-index: 2; padding: 0 1.5rem; max-width: 860px; }
.hero__eyebrow { font-size: 0.85rem; letter-spacing: 0.4em; color: var(--gold); font-weight: 600; }
.hero__title {
  font-family: var(--serif); font-weight: 800; color: #fff;
  font-size: clamp(3rem, 11vw, 7rem); line-height: 1; margin: 1.2rem 0 0;
  letter-spacing: 0.02em;
  background: linear-gradient(180deg, #fff 30%, var(--gold-light));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__rule { width: 90px; height: 2px; margin: 1.6rem auto; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.hero__subtitle { font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: #cfcfd6; font-weight: 300; max-width: 620px; margin: 0 auto; }
.hero__actions { display: flex; gap: 1rem; justify-content: center; margin-top: 2.4rem; flex-wrap: wrap; }
.hero__markets { margin-top: 3rem; display: flex; gap: 1.4rem; justify-content: center; align-items: center; flex-wrap: wrap; color: var(--muted); font-size: 0.85rem; letter-spacing: 0.1em; }
.hero__markets strong { color: var(--gold-light); font-weight: 600; }
.hero__scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); color: var(--gold); font-size: 1.1rem; animation: bob 1.8s infinite; z-index: 2; }
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ============ STATS ============ */
.stats { background: var(--bg-2); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.stats__grid { max-width: var(--max); margin: 0 auto; padding: 3rem 1.5rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat__num { font-family: var(--serif); font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; color: var(--gold-light); display: block; }
.stat__label { color: var(--muted); font-size: 0.88rem; letter-spacing: 0.04em; }

/* ============ ABOUT ============ */
.about { max-width: var(--max); margin: 0 auto; padding: 6rem 1.5rem; }
.about__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.feature {
  background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 4px;
  padding: 2rem 1.6rem; transition: all 0.3s ease; position: relative; overflow: hidden;
}
.feature::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent); opacity: 0; transition: 0.3s; }
.feature:hover { border-color: var(--border); transform: translateY(-4px); }
.feature:hover::before { opacity: 1; }
.feature__icon {
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%;
  border: 1px solid var(--gold); color: var(--gold-light); font-size: 1.3rem; margin-bottom: 1.2rem;
}
.feature h3 { font-family: var(--serif); font-size: 1.25rem; margin-bottom: 0.6rem; color: #fff; }
.feature p { color: var(--muted); font-size: 0.92rem; }

/* ============ INVENTORY ============ */
.inventory { background: var(--bg-2); padding: 6rem 1.5rem; }
.inventory__grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.card {
  background: var(--bg-3); border: 1px solid var(--border-soft); border-radius: 4px;
  padding: 2.2rem 1.8rem; transition: all 0.3s ease;
}
.card:hover { border-color: var(--border); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4); transform: translateY(-4px); }
.card__icon { font-size: 2.4rem; margin-bottom: 1rem; }
.card h3 { font-family: var(--serif); font-size: 1.4rem; color: #fff; margin-bottom: 0.7rem; }
.card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 1.2rem; }
.card__link { color: var(--gold-light); font-weight: 600; font-size: 0.9rem; transition: 0.2s; }
.card__link:hover { color: #fff; letter-spacing: 0.04em; }

/* ============ SHIPPING ============ */
.shipping { padding: 6rem 1.5rem; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.shipping__inner { max-width: var(--max); margin: 0 auto; }
.shipping__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 2.5rem; }
.shipping__col { padding-left: 1.1rem; border-left: 2px solid var(--gold); }
.shipping__col h3 { font-family: var(--serif); font-size: 1.3rem; color: var(--gold-light); margin-bottom: 0.9rem; }
.shipping__col p { color: var(--muted); font-size: 0.95rem; }
.routes { list-style: none; }
.routes li { display: flex; justify-content: space-between; padding: 0.75rem 0; border-bottom: 1px solid var(--border-soft); color: #dfe6e0; font-size: 0.95rem; }
.routes li span { color: var(--green-light); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ============ PROCESS ============ */
.process { background: var(--bg-2); padding: 6rem 1.5rem; }
.process__grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.step { padding: 1.8rem 1.4rem; border-left: 2px solid var(--gold); background: var(--bg-3); border-radius: 0 4px 4px 0; }
.step__num { font-family: var(--serif); font-size: 2rem; color: var(--gold); opacity: 0.7; }
.step h3 { font-family: var(--serif); font-size: 1.15rem; color: #fff; margin: 0.5rem 0; }
.step p { color: var(--muted); font-size: 0.88rem; }

/* ============ CONTACT ============ */
.contact { padding: 6rem 1.5rem; }
.contact__inner { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.1fr; gap: 4rem; align-items: start; }
.contact__direct { list-style: none; margin-top: 2rem; }
.contact__direct li { padding: 0.8rem 0; border-bottom: 1px solid var(--border-soft); color: #d8d8de; }
.contact__direct span { display: inline-block; width: 90px; color: var(--gold); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }
.form { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 6px; padding: 2.2rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 1.3rem; }
.form input, .form select, .form textarea {
  width: 100%; margin-top: 0.45rem; padding: 0.8rem 0.9rem; border-radius: 3px;
  background: var(--bg-3); border: 1px solid var(--border-soft); color: var(--text);
  font-family: var(--sans); font-size: 0.95rem; transition: 0.2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--gold); }
.form textarea { resize: vertical; }
.form__status { margin-top: 1rem; font-size: 0.9rem; min-height: 1.2rem; }
.form__status.ok { color: var(--gold-light); }
.form__status.err { color: #e0886b; }

/* ============ FOOTER ============ */
.footer { background: #0e1a14; border-top: 1px solid var(--border-soft); padding: 4rem 1.5rem 2rem; }
.footer__inner { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; }
.footer__brand p { color: var(--muted); font-size: 0.9rem; margin-top: 1rem; max-width: 320px; }
.footer__col h4 { font-family: var(--serif); color: var(--gold-light); font-size: 1.05rem; margin-bottom: 1rem; }
.footer__col a { display: block; color: var(--muted); font-size: 0.9rem; padding: 0.3rem 0; transition: 0.2s; }
.footer__col a:hover { color: var(--gold-light); }
.footer__bottom { max-width: var(--max); margin: 3rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--border-soft); display: flex; justify-content: space-between; color: var(--muted); font-size: 0.82rem; flex-wrap: wrap; gap: 0.5rem; }

/* ============ WHATSAPP FLOAT ============ */
.wa-float {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: #25D366; color: #fff; box-shadow: 0 8px 26px rgba(37, 211, 102, 0.42);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.wa-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 12px 32px rgba(37, 211, 102, 0.55); }
.wa-float svg { width: 30px; height: 30px; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .about__grid, .inventory__grid, .process__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1rem; }
  .shipping__cols { grid-template-columns: 1fr; gap: 2rem; }
  .contact__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav__links {
    position: fixed; top: 0; right: 0; height: 100vh; width: 70%; max-width: 300px;
    background: rgba(20, 36, 29, 0.98); backdrop-filter: blur(14px); flex-direction: column;
    justify-content: center; gap: 2rem; transform: translateX(100%); transition: transform 0.35s ease;
    border-left: 1px solid var(--border-soft);
  }
  .nav__links.open { transform: translateX(0); }
  .nav__toggle { display: flex; z-index: 101; }
  .about__grid, .inventory__grid, .process__grid, .stats__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__markets { gap: 0.9rem; font-size: 0.78rem; }
}