/* =========================================================
   AgriDesa AI — Design tokens
   Palet terinspirasi sawah berundak & senja di ladang
   ========================================================= */
:root {
  --hijau-sawah: #1B4332;
  --hijau-tua: #10281D;
  --hijau-daun: #52996B;
  --emas-padi: #C9971F;
  --tanah: #8B5A2B;
  --krem: #F3F1E6;
  --krem-kartu: #FFFFFF;
  --teks: #1F2A1D;
  --teks-lembut: #56604F;
  --garis: #DCD6C2;
  --radius: 14px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, sans-serif;

  --ease: cubic-bezier(.22,.9,.32,1);
  --ease-bounce: cubic-bezier(.34,1.56,.64,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--krem);
  color: var(--teks);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }

::selection { background: var(--emas-padi); color: var(--hijau-tua); }

/* Custom scrollbar */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--krem); }
::-webkit-scrollbar-thumb { background: var(--hijau-daun); border-radius: 999px; border: 2px solid var(--krem); }
::-webkit-scrollbar-thumb:hover { background: var(--hijau-sawah); }

/* =========================================================
   Animation primitives
   ========================================================= */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes floatY { 0%, 100% { transform: translateY(0) rotate(var(--rot, 0deg)); } 50% { transform: translateY(-16px) rotate(var(--rot, 0deg)); } }
@keyframes drift { 0% { transform: translate(0,0); } 50% { transform: translate(14px,-10px); } 100% { transform: translate(0,0); } }
@keyframes growIn { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes pulseSoft { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .55; transform: scale(.82); } }
@keyframes spinSlow { to { transform: rotate(360deg); } }
@keyframes ripple { from { transform: scale(0); opacity: .45; } to { transform: scale(3.2); opacity: 0; } }
@keyframes msgIn { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes typingDot { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-5px); opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal="scale"] { transform: translateY(0) scale(.92); }
[data-reveal="scale"].is-visible { transform: scale(1); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 999; background: var(--hijau-tua);
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 14px;
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
#preloader .pre-mark { font-size: 2.4rem; animation: pulseSoft 1.1s ease-in-out infinite; }
#preloader .pre-bar { width: 130px; height: 3px; background: rgba(255,255,255,.15); border-radius: 999px; overflow: hidden; }
#preloader .pre-bar::after { content: ''; display: block; width: 40%; height: 100%; background: var(--emas-padi); border-radius: 999px; animation: preSlide 1s ease-in-out infinite; }
@keyframes preSlide { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }
.preloader-hide { opacity: 0; visibility: hidden; pointer-events: none; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; color: var(--hijau-tua); margin: 0 0 .5em; }
p { margin: 0 0 1em; color: var(--teks-lembut); }
a { color: var(--hijau-sawah); text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  background: rgba(243,241,230,.9); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--garis); position: sticky; top: 0; z-index: 200;
  transition: box-shadow .35s var(--ease), padding .35s var(--ease);
  animation: fadeIn .6s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(16,40,29,.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; gap: 24px; transition: padding .35s var(--ease); }
.site-header.is-scrolled .header-inner { padding-top: 9px; padding-bottom: 9px; }
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; color: var(--hijau-tua); position: relative; z-index: 210; }
.brand-mark { font-size: 1.5rem; display: inline-block; transition: transform .4s var(--ease-bounce); }
.brand:hover .brand-mark { transform: rotate(-18deg) scale(1.15); }
.brand-accent { color: var(--emas-padi); }
.main-nav { display: flex; gap: 26px; flex: 1; justify-content: center; }
.main-nav a { color: var(--teks-lembut); font-weight: 500; padding: 6px 2px; border-bottom: 2px solid transparent; position: relative; transition: color .25s var(--ease); }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--emas-padi); transition: width .3s var(--ease); }
.main-nav a:hover, .main-nav a.active { color: var(--hijau-sawah); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.user-chip { font-size: .9rem; color: var(--teks-lembut); margin-right: 4px; }

.btn {
  display: inline-block; padding: 9px 18px; border-radius: 999px; font-weight: 600; font-size: .92rem;
  cursor: pointer; border: 1px solid transparent; position: relative; overflow: hidden;
  transition: transform .25s var(--ease-bounce), background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.97); }
.btn-ripple { position: absolute; width: 16px; height: 16px; margin-left: -8px; margin-top: -8px; border-radius: 50%; background: rgba(255,255,255,.6); pointer-events: none; animation: ripple .6s ease-out forwards; }
.btn-primary { background: var(--hijau-sawah); color: #fff; }
.btn-primary:hover { background: var(--hijau-tua); box-shadow: 0 10px 20px rgba(27,67,50,.28); }
.btn-outline { border-color: var(--hijau-sawah); color: var(--hijau-sawah); }
.btn-outline:hover { background: var(--hijau-sawah); color: #fff; box-shadow: 0 10px 20px rgba(27,67,50,.18); }
.btn-ghost { color: var(--tanah); border-color: var(--tanah); }
.btn-ghost:hover { background: var(--tanah); color: #fff; }
.btn-block { width: 100%; text-align: center; }

/* ---------- Mobile nav toggle ---------- */
.nav-toggle {
  display: none; width: 34px; height: 26px; position: relative; z-index: 210;
  background: none; border: none; cursor: pointer; padding: 0;
}
.nav-toggle span {
  position: absolute; left: 0; width: 100%; height: 3px; border-radius: 3px; background: var(--hijau-tua);
  transition: transform .35s var(--ease), opacity .25s var(--ease), top .35s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }
.nav-toggle.is-active span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* ---------- Hero (signature: terrace contour lines) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--hijau-tua) 0%, var(--hijau-sawah) 100%);
  color: #fff;
  padding: 90px 0 130px;
}
.hero::before {
  content: ''; position: absolute; z-index: 0; top: -30%; right: -10%; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,151,31,.28) 0%, rgba(201,151,31,0) 70%);
  animation: drift 9s ease-in-out infinite;
}
.hero::after {
  content: ''; position: absolute; z-index: 0; bottom: -20%; left: -8%; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(82,153,107,.3) 0%, rgba(82,153,107,0) 70%);
  animation: drift 11s ease-in-out infinite reverse;
}
.hero-terraces {
  position: absolute; inset: 0; z-index: 0; opacity: .5;
}
.hero-terraces path { transform-origin: center bottom; animation: floatY 8s ease-in-out infinite; }
.hero-terraces path:nth-child(2) { animation-duration: 10s; animation-delay: -2s; }
.hero-terraces path:nth-child(3) { animation-duration: 12s; animation-delay: -4s; }
.hero-leaves { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.hero-leaves span {
  position: absolute; font-size: 1.6rem; opacity: .55; filter: drop-shadow(0 6px 10px rgba(0,0,0,.2));
  animation: floatY 6s ease-in-out infinite;
}
.hero-inner { position: relative; z-index: 2; max-width: 680px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; color: var(--emas-padi); font-weight: 700; margin-bottom: 14px; }
.hero .eyebrow, .hero h1, .hero p.lead, .hero-actions { opacity: 0; animation: fadeInUp .8s var(--ease) forwards; }
.hero .eyebrow { animation-delay: .1s; }
.hero h1 { animation-delay: .22s; }
.hero p.lead { animation-delay: .36s; }
.hero-actions { animation-delay: .5s; }
.hero h1 { color: #fff; font-size: 2.7rem; line-height: 1.15; }
.hero p.lead { color: #DCE7DB; font-size: 1.1rem; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; }
.hero .btn-primary { background: var(--emas-padi); color: var(--hijau-tua); }
.hero .btn-primary:hover { background: #E0B233; }
.hero .btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }
.hero .btn-outline:hover { background: rgba(255,255,255,.12); }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-head { max-width: 620px; margin-bottom: 40px; }
.section-head .eyebrow { color: var(--tanah); }
.section-head.on-dark .eyebrow { color: var(--emas-padi); }

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

.card {
  background: var(--krem-kartu); border: 1px solid var(--garis); border-radius: var(--radius);
  padding: 26px; transition: transform .3s var(--ease-bounce), box-shadow .3s var(--ease), border-color .3s var(--ease);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--emas-padi), var(--hijau-daun));
  transition: width .4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(27,67,50,.14); border-color: transparent; }
.card:hover::before { width: 100%; }
.card .num { font-family: var(--font-display); color: var(--emas-padi); font-size: 1.6rem; font-weight: 700; display: block; margin-bottom: 8px; transition: transform .3s var(--ease-bounce); }
.card:hover .num { transform: scale(1.12) translateX(2px); }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { margin: 0; font-size: .95rem; }

.stat-strip { background: var(--hijau-sawah); color: #fff; padding: 34px 0; position: relative; overflow: hidden; }
.stat-strip::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.08) 50%, transparent 70%);
  background-size: 200% 100%; animation: shimmer 5s linear infinite;
}
.stat-strip .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; position: relative; z-index: 1; }
.stat { text-align: center; flex: 1; min-width: 140px; transition: transform .3s var(--ease-bounce); }
.stat:hover { transform: translateY(-3px); }
.stat .n { font-family: var(--font-display); font-size: 2rem; color: var(--emas-padi); font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { font-size: .85rem; color: #DCE7DB; }

/* ---------- Forms ---------- */
.form-wrap { max-width: 440px; margin: 60px auto; background: var(--krem-kartu); border: 1px solid var(--garis); border-radius: var(--radius); padding: 36px; animation: fadeInUp .6s var(--ease); box-shadow: 0 20px 44px rgba(27,67,50,.08); }
.form-wrap h1 { font-size: 1.6rem; }
label { display: block; font-weight: 600; font-size: .88rem; margin: 16px 0 6px; color: var(--teks); }
input[type=text], input[type=email], input[type=password], input[type=tel], textarea, select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--garis); border-radius: 9px;
  font-family: var(--font-body); font-size: .95rem; background: #fff; color: var(--teks);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .2s var(--ease);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--hijau-daun); box-shadow: 0 0 0 4px rgba(82,153,107,.16); transform: translateY(-1px); }
.form-note { margin-top: 18px; font-size: .9rem; text-align: center; }
.alert { padding: 12px 16px; border-radius: 9px; font-size: .9rem; margin-bottom: 14px; animation: fadeInUp .4s var(--ease); }
.alert-error { background: #FBE7E4; color: #8A2C1E; border: 1px solid #EEC0B8; }
.alert-success { background: #E6F1E6; color: var(--hijau-tua); border: 1px solid #BFE0BF; }

/* ---------- Chat / Konsultasi ---------- */
.chat-shell { display: grid; grid-template-columns: 260px 1fr; gap: 26px; align-items: start; }
.chat-sidebar { background: var(--krem-kartu); border: 1px solid var(--garis); border-radius: var(--radius); padding: 20px; position: sticky; top: 90px; }
.chat-sidebar h4 { font-size: .95rem; margin-bottom: 10px; }
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--krem); border: 1px solid var(--garis); border-radius: 999px; padding: 6px 12px; font-size: .82rem; cursor: pointer; color: var(--teks-lembut); transition: transform .2s var(--ease-bounce), border-color .2s ease, color .2s ease, background .2s ease; }
.chip:hover { border-color: var(--hijau-daun); color: var(--hijau-sawah); background: #EAF0E5; transform: translateY(-2px); }
.chip:active { transform: translateY(0) scale(.96); }

.chat-panel { background: var(--krem-kartu); border: 1px solid var(--garis); border-radius: var(--radius); display: flex; flex-direction: column; height: 66vh; min-height: 480px; box-shadow: 0 20px 44px rgba(27,67,50,.06); }
.chat-log { flex: 1; overflow-y: auto; padding: 22px; display: flex; flex-direction: column; gap: 16px; scroll-behavior: smooth; }
.msg { max-width: 78%; padding: 12px 16px; border-radius: 14px; font-size: .95rem; animation: msgIn .35s var(--ease-bounce) both; }
.msg-user { align-self: flex-end; background: var(--hijau-sawah); color: #fff; border-bottom-right-radius: 4px; }
.msg-ai { align-self: flex-start; background: var(--krem); border: 1px solid var(--garis); border-bottom-left-radius: 4px; white-space: pre-line; }
.msg-meta { font-size: .72rem; color: var(--teks-lembut); margin-top: 4px; }
.chat-input-row { display: flex; gap: 10px; padding: 16px; border-top: 1px solid var(--garis); }
.chat-input-row textarea { resize: none; flex: 1; }
.typing { color: var(--teks-lembut); font-size: .85rem; font-style: italic; padding: 0 22px; display: flex; align-items: center; gap: 8px; }
.typing-dots { display: inline-flex; gap: 3px; }
.typing-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--hijau-daun); animation: typingDot 1.1s ease-in-out infinite; }
.typing-dots span:nth-child(2) { animation-delay: .15s; }
.typing-dots span:nth-child(3) { animation-delay: .3s; }

/* ---------- Articles ---------- */
.article-card { display: flex; flex-direction: column; height: 100%; }
.article-card .tag { display: inline-block; background: #EAF0E5; color: var(--hijau-sawah); font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; width: fit-content; transition: background .25s ease, color .25s ease; }
.article-card:hover .tag { background: var(--emas-padi); color: var(--hijau-tua); }
.article-body { max-width: 720px; margin: 0 auto; }
.article-body h1 { font-size: 2rem; }
.article-body .meta { color: var(--teks-lembut); font-size: .9rem; margin-bottom: 24px; }
.article-body .content { font-size: 1.02rem; white-space: pre-line; }

table.admin-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--garis); border-radius: var(--radius); overflow: hidden; }
table.admin-table th, table.admin-table td { padding: 12px 14px; border-bottom: 1px solid var(--garis); text-align: left; font-size: .9rem; }
table.admin-table th { background: var(--krem); font-family: var(--font-display); }

/* ---------- Footer ---------- */
.site-footer { background: var(--hijau-tua); color: #CBD8C7; padding: 44px 0 30px; margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-inner strong { color: #fff; font-family: var(--font-display); font-size: 1.1rem; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: #CBD8C7; position: relative; transition: color .25s ease; }
.footer-links a:hover { color: var(--emas-padi); }
.footer-note { width: 100%; font-size: .8rem; opacity: .7; border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; margin-top: 10px; }

/* ---------- Back to top ---------- */
#backToTop {
  position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--hijau-sawah); color: #fff; border: none; cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; z-index: 150;
  box-shadow: 0 10px 24px rgba(27,67,50,.3);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .3s var(--ease), transform .3s var(--ease-bounce), visibility .3s, background .25s ease;
}
#backToTop.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover { background: var(--hijau-tua); transform: translateY(-3px); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px); height: 100vh;
    background: var(--hijau-tua); flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 6px; padding: 90px 32px 40px; z-index: 205;
    transform: translateX(100%); transition: transform .45s var(--ease); box-shadow: -20px 0 50px rgba(0,0,0,.25);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { color: #DCE7DB; font-size: 1.15rem; width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); opacity: 0; transform: translateX(16px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
  .main-nav.is-open a { opacity: 1; transform: translateX(0); }
  .main-nav.is-open a:nth-child(1) { transition-delay: .08s; }
  .main-nav.is-open a:nth-child(2) { transition-delay: .14s; }
  .main-nav.is-open a:nth-child(3) { transition-delay: .2s; }
  .main-nav.is-open a:nth-child(4) { transition-delay: .26s; }
  .main-nav a:hover, .main-nav a.active { color: var(--emas-padi); }
  .main-nav a::after { display: none; }
  .nav-scrim {
    position: fixed; inset: 0; background: rgba(16,40,29,.5); z-index: 204; opacity: 0; visibility: hidden;
    transition: opacity .35s var(--ease), visibility .35s var(--ease);
  }
  body.nav-open .nav-scrim { opacity: 1; visibility: visible; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .chat-shell { grid-template-columns: 1fr; }
  .chat-sidebar { position: static; }
  .hero h1 { font-size: 2.1rem; }
  #backToTop { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}