/* ============== Design Tokens ============== */
:root {
  --bg: #ffffff;
  --fg: #1f2a23;
  --muted: #6b7a72;
  --card: #ffffff;
  --border: #e3ebe5;
  --primary: #2f8a4f;
  --primary-glow: #56b773;
  --primary-deep: #1f5e37;
  --accent-gold: #d9a441;
  --soft: #f4f9f5;
  --dark: #173024;
  --gradient-primary: linear-gradient(135deg, #2f8a4f, #56b773);
  --gradient-hero: linear-gradient(135deg, rgba(31,94,55,0.92), rgba(47,138,79,0.78));
  --gradient-soft: linear-gradient(180deg, #f4f9f5, #ffffff);
  --gradient-dark: linear-gradient(135deg, #173024, #2a4f38);
  --shadow-elegant: 0 20px 50px -20px rgba(47,138,79,0.35);
  --shadow-card: 0 8px 30px -12px rgba(31,94,55,0.18);
  --radius: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* ============== Header ============== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0; transition: var(--transition);
}
.header.scrolled {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  padding: 12px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: #fff; }
.header.scrolled .logo { color: var(--fg); }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  /*background: var(--gradient-primary);*/
  display: inline-flex; align-items: center; justify-content: center; color: #fff;
}

.logo-icon.logo-white { display: inline-block; }
.logo-icon.logo-color { display: none; }
.header.scrolled .logo-icon.logo-white { display: none; }
.header.scrolled .logo-icon.logo-color { display: inline-block; }

.nav-desktop { display: flex; align-items: center; gap: 32px; }
.nav-desktop a { font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.9); transition: color .2s; }
.header.scrolled .nav-desktop a { color: var(--fg); }
.nav-desktop a:hover { color: var(--primary-glow); }
.btn-cta {
  background: var(--primary); color: #fff;
  padding: 10px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-elegant);
  transition: transform .2s;
  display: inline-block;
}
.header.scrolled .btn-cta { color: #fff !important; }
.btn-cta:hover { transform: scale(1.05); }
.menu-toggle { display: none; color: #fff; padding: 8px; }
.header.scrolled .menu-toggle { color: var(--fg); }
.nav-mobile {
  display: none; background: #fff; border-top: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.nav-mobile.open { display: block; }
.nav-mobile a { display: block; padding: 14px 20px; color: var(--fg); font-size: 14px; font-weight: 500; border-bottom: 1px solid var(--border); }

@media (max-width: 991px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: inline-flex; }
}

/* ============== Hero ============== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: var(--gradient-hero); }
.hero-content { position: relative; padding-top: 140px; padding-bottom: 80px; color: #fff; }
.eyebrow { font-size: 13px; font-weight: 500; letter-spacing: .3em; text-transform: uppercase; color: rgba(255,255,255,0.8); }
.hero h1 {
  margin-top: 16px;
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 900; line-height: 1.1;
}
.hero h1 .accent { color: #f0c674; display: block; }
.hero p.lead { margin-top: 24px; font-size: clamp(16px, 1.4vw, 20px); color: rgba(255,255,255,0.85); max-width: min(640px, 100%); }

.hero-btns { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 16px; }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-weight: 600;
  transition: var(--transition);
}
.btn-primary { background: #fff; color: var(--primary-deep); box-shadow: var(--shadow-elegant); }
.btn-primary:hover { transform: scale(1.05); }
.btn-ghost { border: 1px solid rgba(255,255,255,0.4); color: #fff; backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

.hero-cards { margin-top: 70px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 880px; }
.hero-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px; border-radius: 16px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); backdrop-filter: blur(10px);
}
.hero-card-icon { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: rgba(255,255,255,0.2); display: inline-flex; align-items: center; justify-content: center; }
.hero-card .t { font-weight: 700; }
.hero-card .d { font-size: 13px; color: rgba(255,255,255,0.8); margin-top: 2px; }
@media (max-width: 768px) {
  .hero-cards { grid-template-columns: 1fr; }
}

/* ============== Sections ============== */
section { padding: 100px 0; }
@media (max-width: 768px) { section { padding: 70px 0; } }

.section-head { text-align: center; max-width: 720px; margin: 0 auto; }
.section-head.left { text-align: left; margin: 0; }
.section-head .eyebrow { color: var(--primary); }
.section-head h2 {
  margin-top: 12px;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900; line-height: 1.2; color: var(--fg);
}
.section-head p { margin-top: 16px; color: var(--muted); font-size: clamp(15px, 1.2vw, 18px); }
.divider { margin: 24px auto 0; height: 4px; width: 80px; border-radius: 999px; background: var(--gradient-primary); }
.section-head.left .divider { margin-left: 0; }

/* About */
.about { background: var(--gradient-soft); }
.about-grid { margin-top: 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 991px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-img-wrap { position: relative; }
.about-img-wrap img { border-radius: 24px; box-shadow: var(--shadow-elegant); width: 100%; }
.about-badge {
  position: absolute; bottom: -24px; right: -24px;
  background: #fff; padding: 18px 22px; border-radius: 16px;
  box-shadow: var(--shadow-card); border: 1px solid var(--border);
}
.about-badge .v { font-size: 28px; font-weight: 900; color: var(--primary); }
.about-badge .l { font-size: 12px; color: var(--muted); margin-top: 4px; }
@media (max-width: 991px) { .about-badge { display: none; } }

.about-content h3 { font-size: clamp(22px, 2.5vw, 30px); font-weight: 700; margin-bottom: 16px; }
.about-content h3 span { color: var(--primary); }
.about-content > p { color: var(--muted); }
.points { margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.point { display: flex; gap: 16px; }
.point-check { flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; margin-top: 2px; }
.point .t { font-weight: 700; }
.point .d { font-size: 14px; color: var(--muted); margin-top: 4px; }
.mini-stats { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mini-stat { background: #fff; padding: 16px; text-align: center; border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.mini-stat .v { font-size: 24px; font-weight: 900; color: var(--primary); }
.mini-stat .l { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Services */
.services-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 991px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }
.service-card {
  background: #fff; padding: 26px; border-radius: 18px;
  border: 1px solid var(--border); box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-elegant); }
.service-icon {
  width: 54px; height: 54px; border-radius: 16px;
  background: var(--gradient-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform .3s;
}
.service-card:hover .service-icon { transform: scale(1.1); }
.service-card h3 { margin-top: 18px; font-size: 17px; font-weight: 700; }
.service-card p { margin-top: 8px; font-size: 14px; color: var(--muted); }

/* Technology */
.technology { background: var(--gradient-dark); color: #fff; position: relative; overflow: hidden; }
.technology .section-head .eyebrow { color: #f0c674; }
.technology .section-head h2 { color: #fff; }
.technology .section-head p { color: rgba(255,255,255,0.75); }
.tech-grid { margin-top: 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
@media (max-width: 991px) { .tech-grid { grid-template-columns: 1fr; gap: 40px; } }
.tech-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .tech-steps { grid-template-columns: 1fr; } }
.tech-step {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 18px; padding: 22px; backdrop-filter: blur(10px);
  transition: background .2s;
}
.tech-step:hover { background: rgba(255,255,255,0.1); }
.tech-step .n { font-size: 36px; font-weight: 900; color: #f0c674; }
.tech-step h3 { margin-top: 8px; font-size: 17px; }
.tech-step p { margin-top: 8px; font-size: 13px; color: rgba(255,255,255,0.7); }

.tech-img { border-radius: 22px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.4); width: 100%; }
.tech-callout {
  margin-top: 22px; padding: 22px; border-radius: 18px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15);
}
.tech-callout h4 { font-weight: 700; }
.tech-callout p { margin-top: 8px; font-size: 14px; color: rgba(255,255,255,0.75); }
.tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { padding: 4px 12px; border-radius: 999px; background: rgba(240,198,116,0.15); border: 1px solid rgba(240,198,116,0.4); color: #f0c674; font-size: 12px; }

/* Market */
.market { background: var(--gradient-soft); }
.market-stats { margin-top: 50px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 768px) { .market-stats { grid-template-columns: repeat(2, 1fr); } }
.market-stat { background: #fff; padding: 24px; border-radius: 18px; text-align: center; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.market-stat .v { font-size: clamp(20px, 2.4vw, 28px); font-weight: 900; color: var(--primary); }
.market-stat .l { font-size: 13px; color: var(--muted); margin-top: 8px; }
.trends { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) { .trends { grid-template-columns: 1fr; } }
.trend { background: #fff; padding: 28px; border-radius: 18px; border: 1px solid var(--border); box-shadow: var(--shadow-card); transition: box-shadow .3s; }
.trend:hover { box-shadow: var(--shadow-elegant); }
.trend-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.trend h3 { font-size: 17px; font-weight: 700; }
.trend .main { margin-top: 12px; display: flex; align-items: baseline; gap: 8px; }
.trend .main .num { font-size: 36px; font-weight: 900; color: var(--primary); }
.trend .main .sub { font-size: 13px; color: var(--muted); }
.trend-icon { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: #ecf5ee; color: var(--primary); display: inline-flex; align-items: center; justify-content: center; }
.trend p { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* Stakeholders */
.stake-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 991px) { .stake-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stake-grid { grid-template-columns: 1fr; } }
.stake-card { background: #fff; padding: 28px; border-radius: 24px; border: 1px solid var(--border); box-shadow: var(--shadow-card); transition: transform .3s; }
.stake-card:hover { transform: translateY(-6px); }
.stake-head { display: flex; align-items: center; gap: 14px; }
.stake-icon { width: 54px; height: 54px; border-radius: 16px; background: var(--gradient-primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; }
.stake-card h3 { font-size: 19px; font-weight: 700; }
.stake-list { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.stake-list li { display: flex; gap: 12px; font-size: 14px; color: var(--muted); }
.stake-list li::before { content: ""; flex-shrink: 0; margin-top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }

/* Vision */
.vision { background: var(--gradient-primary); color: #fff; position: relative; overflow: hidden; }
.vision::before, .vision::after { content: ""; position: absolute; border-radius: 50%; opacity: 0.1; pointer-events: none; }
.vision::before { top: 40px; left: 40px; width: 280px; height: 280px; background: #fff; filter: blur(60px); }
.vision::after { bottom: 40px; right: 40px; width: 320px; height: 320px; background: #f0c674; filter: blur(60px); }
.vision-head { text-align: center; max-width: 720px; margin: 0 auto; position: relative; }
.vision-head .eyebrow { color: rgba(255,255,255,0.8); }
.vision-head h2 { margin-top: 12px; font-size: clamp(28px, 4vw, 48px); font-weight: 900; }
.vision-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
@media (max-width: 991px) { .vision-grid { grid-template-columns: 1fr; } }
.vision-card { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); backdrop-filter: blur(10px); border-radius: 24px; padding: 32px; }
.vision-icon { width: 54px; height: 54px; border-radius: 16px; background: rgba(255,255,255,0.15); display: inline-flex; align-items: center; justify-content: center; }
.vision-card .lbl { margin-top: 20px; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.7); }
.vision-card h3 { margin-top: 8px; font-size: 22px; font-weight: 700; }
.vision-card p { margin-top: 12px; color: rgba(255,255,255,0.8); }

/* Contact */
.contact-grid { margin-top: 60px; display: grid; grid-template-columns: 2fr 3fr; gap: 32px; }
@media (max-width: 991px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; gap: 16px; padding: 20px; background: #fff; border-radius: 18px; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.contact-icon { flex-shrink: 0; width: 46px; height: 46px; border-radius: 12px; background: var(--gradient-primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; }
.contact-item .t { font-weight: 700; }
.contact-item .v { font-size: 14px; color: var(--muted); margin-top: 4px; }

.form { background: #fff; border-radius: 24px; padding: 32px; border: 1px solid var(--border); box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form label { font-size: 14px; font-weight: 500; }
.form input, .form textarea {
  width: 100%; margin-top: 8px;
  padding: 12px 16px; border-radius: 12px;
  border: 1px solid var(--border); background: #fff;
  font: inherit; font-size: 14px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form input:focus, .form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,138,79,0.15); }
.form textarea { resize: none; }
.form-submit {
  background: var(--gradient-primary); color: #fff;
  padding: 14px 28px; border-radius: 999px; font-weight: 600;
  align-self: flex-start; box-shadow: var(--shadow-elegant);
  display: inline-flex; align-items: center; gap: 8px;
  transition: transform .2s;
}
.form-submit:hover { transform: scale(1.05); }

/* Footer */
.footer { background: #122319; color: rgba(255,255,255,0.7); padding: 70px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer .logo { color: #fff; }
.footer p.about-text { margin-top: 16px; font-size: 14px; max-width: 420px; }
.footer h4 { color: #fff; font-weight: 600; margin-bottom: 16px; }
.footer ul li { margin-bottom: 8px; font-size: 14px; }
.footer ul li a:hover { color: #fff; }
.footer-bottom {
  margin-top: 50px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 12px; color: rgba(255,255,255,0.5);
}
.footer-beian { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 5px; }
.footer-beian a:hover { color: #fff; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }