/* ============================================================
   Ekotogel — Tema Hijau Gradient (original, self-hosted)
   ============================================================ */
:root {
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-300: #86efac;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --green-900: #14532d;
  --green-950: #052e16;
  --ink: #052e16;
  --ink-soft: #166534;
  --paper: #ffffff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(5, 46, 22, 0.12);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.65;
  background: linear-gradient(160deg, #ecfdf5 0%, #d1fae5 35%, #a7f3d0 70%, #6ee7b7 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

.container { width: min(1120px, 92%); margin: 0 auto; }

/* ---------- Header ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(22, 101, 52, 0.12);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 18px;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35);
}
.brand-name { font-weight: 800; font-size: 20px; color: var(--ink); letter-spacing: -0.02em; }
.brand-name span { color: var(--green-600); }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: 15px;
  padding: 8px 14px; border-radius: 999px; transition: background 0.2s, color 0.2s;
}
.nav a:hover { background: var(--green-100); color: var(--green-800); }

.cta-btn {
  display: inline-block; text-decoration: none;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff !important; font-weight: 700;
  padding: 10px 22px; border-radius: 999px;
  box-shadow: 0 6px 18px rgba(22, 163, 74, 0.4);
  transition: transform 0.15s, box-shadow 0.2s;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(22, 163, 74, 0.5); }

.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--ink); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
  background: radial-gradient(ellipse at top, rgba(74, 222, 128, 0.25), transparent 60%);
  text-align: center;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15;
  color: var(--ink);
}
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--green-600), var(--green-800)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p {
  max-width: 640px; margin: 18px auto 28px;
  font-size: 18px; color: var(--ink-soft);
}
.hero .cta-btn { font-size: 17px; padding: 14px 34px; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--green-800); opacity: 0.8; }

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-title {
  font-size: clamp(24px, 3.5vw, 34px); font-weight: 800; letter-spacing: -0.02em;
  text-align: center; margin-bottom: 12px; color: var(--ink);
}
.section-sub { text-align: center; max-width: 620px; margin: 0 auto 36px; color: var(--ink-soft); }

.card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(22, 101, 52, 0.1);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.card h3 { font-size: 18px; margin-bottom: 8px; color: var(--green-800); }
.card p { font-size: 15px; color: var(--ink-soft); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.icon-badge {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--green-100), var(--green-200));
  display: grid; place-items: center; font-size: 22px;
}

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { background: rgba(255,255,255,0.9); border-radius: var(--radius); padding: 24px 20px; box-shadow: var(--shadow); border: 1px solid rgba(22,101,52,0.08); position: relative; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 14px; right: 18px;
  font-size: 34px; font-weight: 800; color: var(--green-200); line-height: 1;
}
.step h3 { font-size: 16px; color: var(--green-800); margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--ink-soft); }

/* ---------- Testimonials ---------- */
.testimonial { display: flex; flex-direction: column; gap: 12px; }
.testimonial .quote { font-size: 15px; color: var(--ink); font-style: italic; }
.testimonial .author { display: flex; align-items: center; gap: 10px; }
.testimonial .avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-400), var(--green-600));
  color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 15px;
}
.testimonial .name { font-weight: 700; font-size: 14px; color: var(--ink); }
.testimonial .meta { font-size: 12px; color: var(--green-700); }
.stars { color: #f59e0b; letter-spacing: 2px; font-size: 14px; }

/* ---------- FAQ ---------- */
.faq-item { margin-bottom: 14px; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: rgba(255,255,255,0.92);
  border: 1px solid rgba(22,101,52,0.1); border-radius: 12px;
  padding: 16px 20px; font-size: 16px; font-weight: 700; color: var(--ink);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  box-shadow: 0 2px 8px rgba(5,46,22,0.06);
}
.faq-q .chev { transition: transform 0.25s; color: var(--green-600); }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 14px 20px; color: var(--ink-soft); font-size: 15px; }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- CTA band ---------- */
.cta-band {
  border-radius: 24px; padding: 48px 32px; text-align: center;
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: #fff; box-shadow: 0 18px 40px rgba(5, 46, 22, 0.35);
}
.cta-band h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 800; margin-bottom: 10px; }
.cta-band p { opacity: 0.92; margin-bottom: 24px; }
.cta-band .cta-btn { background: #fff; color: var(--green-800) !important; box-shadow: 0 8px 20px rgba(0,0,0,0.18); }

/* ---------- Article ---------- */
.article-body { max-width: 760px; margin: 0 auto; }
.article-body h2 { font-size: 24px; color: var(--green-800); margin: 32px 0 12px; }
.article-body h3 { font-size: 19px; color: var(--green-800); margin: 24px 0 10px; }
.article-body p { margin-bottom: 16px; color: var(--ink-soft); }
.article-body ul, .article-body ol { margin: 0 0 16px 22px; color: var(--ink-soft); }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--green-500); background: rgba(255,255,255,0.7);
  padding: 14px 18px; border-radius: 0 12px 12px 0; margin: 20px 0; font-style: italic; color: var(--ink);
}
.byline { display: flex; align-items: center; gap: 14px; margin: 20px 0 8px; padding: 16px; background: rgba(255,255,255,0.85); border-radius: 12px; }
.byline .avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--green-400), var(--green-600)); color:#fff; display:grid; place-items:center; font-weight:700; }
.byline .who { font-weight: 700; color: var(--ink); }
.byline .role { font-size: 13px; color: var(--green-700); }
.byline .date { font-size: 13px; color: var(--ink-soft); margin-left: auto; text-align: right; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: #bbf7d0; margin-top: 64px; }
.footer-inner { padding: 40px 0 24px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 12px; }
.site-footer a { color: #86efac; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(134, 239, 172, 0.15);
  padding: 16px 0; font-size: 13px; color: rgba(187, 247, 208, 0.7);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.disclosure { font-size: 12px; line-height: 1.6; color: rgba(187,247,208,0.6); margin-top: 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 620px) {
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .nav { display: none; flex-direction: column; position: absolute; top: 62px; left: 0; right: 0; background: #fff; padding: 16px; box-shadow: var(--shadow); border-radius: 0 0 16px 16px; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 48px 0 40px; }
}