/* Nenji Desk marketing site — desk.nenji.ai. Light page, dark hero/AI/final bands, Desk green. */
:root {
  --green: #00a884;
  --green-600: #008f71;
  --green-50: #e7f7f2;
  --mint: #a7f3d0;
  --ink: #0b1416;
  --ink-2: #13242a;
  --text: #13201f;
  --muted: #5a6b6a;
  --line: #e3ebe9;
  --bg: #ffffff;
  --tint: #f4f8f7;
  --radius: 18px;
  --shadow: 0 18px 50px -20px rgba(11, 20, 22, .35);
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -.02em; }
p { margin: 0; }
.ic { width: 20px; height: 20px; flex: none; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }
.center { text-align: center; justify-content: center; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; border-radius: 6px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 999px; font-weight: 700; font-size: .95rem; border: 1px solid transparent; transition: transform .15s, background .15s, box-shadow .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 10px 24px -10px rgba(0, 168, 132, .7); }
.btn-primary:hover { background: var(--green-600); }
.btn-light { background: #fff; color: var(--ink); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.link-quiet { font-weight: 600; font-size: .95rem; color: var(--muted); }
.link-quiet:hover { color: var(--text); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .86); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-row { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.brand img { border-radius: 9px; }
.nav-links { display: flex; gap: 26px; margin-left: 12px; }
.nav-links a { font-weight: 600; font-size: .95rem; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang { position: relative; }
.lang-btn { display: flex; align-items: center; gap: 6px; background: none; border: 1px solid var(--line); border-radius: 999px; padding: 7px 10px; font: inherit; font-weight: 700; font-size: .85rem; color: var(--text); cursor: pointer; }
.lang-btn .ic { width: 16px; height: 16px; }
.lang-menu { position: absolute; right: 0; top: calc(100% + 8px); background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 6px; min-width: 160px; display: none; }
.lang.open .lang-menu { display: block; }
.lang-menu a { display: block; padding: 9px 12px; border-radius: 9px; font-weight: 600; font-size: .95rem; }
.lang-menu a:hover { background: var(--tint); }
.lang-menu a[aria-current] { color: var(--green-600); }
.menu-btn { display: none; background: none; border: 0; padding: 8px; color: var(--text); cursor: pointer; }
.menu-btn .ic { width: 24px; height: 24px; }
.mobile-menu { border-top: 1px solid var(--line); background: #fff; padding: 12px 20px 20px; display: grid; gap: 4px; }
.mobile-menu[hidden] { display: none; }
.mobile-menu a { padding: 12px 4px; font-weight: 600; border-bottom: 1px solid var(--line); }
.mobile-menu .btn { margin-top: 12px; border-bottom: 0; }

/* Hero */
.hero { background: radial-gradient(1200px 600px at 85% -10%, rgba(0, 168, 132, .45), transparent 60%), linear-gradient(160deg, #04352c 0%, var(--ink) 62%); color: #fff; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding-top: 72px; padding-bottom: 0; min-height: 640px; }
.hero-copy { padding-bottom: 72px; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--green-600); margin-bottom: 14px; }
.eyebrow.on-dark { color: var(--mint); }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); font-weight: 800; }
.lead { font-size: 1.15rem; margin-top: 18px; max-width: 560px; }
.hero .lead { color: #cfe3de; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.cta-row .ic { width: 20px; height: 20px; color: #25d366; }
.hero-note { margin-top: 14px; font-size: .9rem; color: #9fbcb5; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 30px; }
.chips-label { font-size: .85rem; color: #9fbcb5; margin-right: 4px; }
.chip { font-size: .85rem; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); }
.hero-visual { position: relative; height: 600px; align-self: end; }
.glow { position: absolute; inset: 20% 10% 0 10%; background: radial-gradient(closest-side, rgba(0, 168, 132, .55), transparent); filter: blur(30px); }
.phone { border-radius: 34px; border: 8px solid #1f2427; background: #0b1416; box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .6); }
.hero-visual .phone { position: absolute; width: 300px; bottom: -120px; }
.phone-front { right: 6%; z-index: 2; }
.phone-back { right: 42%; bottom: -60px !important; transform: rotate(-6deg); opacity: .92; }

/* Stats */
.stats { padding: 46px 0 40px; border-bottom: 1px solid var(--line); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat strong { display: block; font-size: 2rem; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.stat span { color: var(--muted); font-size: .95rem; }
.channels { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; margin-top: 34px; padding-top: 26px; border-top: 1px dashed var(--line); }
.channels-label { font-size: .85rem; color: var(--muted); font-weight: 600; }
.channel { font-weight: 700; color: #33504b; }

/* Quote */
.quote { padding: 80px 0; background: var(--tint); }
.quote blockquote { margin: 0; font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; line-height: 1.35; }
.quote-by { margin-top: 18px; color: var(--muted); }

/* Sections */
.section { padding: 96px 0; }
.section.tint { background: var(--tint); }
.section.dark { background: linear-gradient(180deg, var(--ink-2), var(--ink)); color: #fff; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); font-weight: 800; }
.section-head .lead { margin-top: 14px; }

/* Feature cards */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-icon { width: 46px; height: 46px; border-radius: 13px; background: var(--green-50); color: var(--green-600); display: grid; place-items: center; margin-bottom: 18px; }
.card-icon .ic { width: 24px; height: 24px; }
.card h3, .tile h3, .industry h3 { font-size: 1.15rem; font-weight: 800; }
.card p { color: var(--muted); margin-top: 8px; font-size: .97rem; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 26px; font-size: .95rem; font-weight: 500; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 16px; height: 16px; border-radius: 50%; background: var(--green-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23008f71' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/10px no-repeat; }
.ticks.big li { font-size: 1.05rem; }

/* Industries */
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.industry { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.industry .emoji { font-size: 1.8rem; display: block; margin-bottom: 12px; }
.industry p { color: var(--muted); font-size: .93rem; margin-top: 6px; }

/* Split rows */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 30px 0; }
.split:nth-of-type(odd) .split-media { order: 2; }
.split-media { background: linear-gradient(160deg, var(--green-50), #fff); border: 1px solid var(--line); border-radius: 26px; height: 420px; overflow: hidden; display: flex; justify-content: center; padding-top: 40px; }
.phone-flat { width: 270px; height: auto; align-self: flex-start; }
.split-copy h3 { font-size: 1.7rem; font-weight: 800; }
.split-copy p { color: var(--muted); font-size: 1.08rem; margin-top: 14px; }

/* AI tiles */
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tile { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius); padding: 28px; margin: 0; }
.dark .card-icon { background: rgba(0, 168, 132, .18); color: var(--mint); }
.tile p { color: #b9cdc8; margin-top: 8px; }
.section:not(.dark) .tile { background: #fff; border-color: var(--line); }
.section:not(.dark) .tile p { color: var(--muted); }
.tile figcaption { display: grid; margin-top: 16px; }
.tile figcaption span { color: var(--muted); font-size: .9rem; }

/* App */
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.app-visual { position: relative; height: 520px; }
.app-visual .phone { position: absolute; width: 250px; top: 10px; }
.phone-tilt-l { left: 10%; transform: rotate(-5deg); }
.phone-tilt-r { right: 10%; top: 50px !important; transform: rotate(5deg); }
.store-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.store { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: #fff; border-radius: 12px; padding: 10px 16px; font-weight: 700; font-size: .95rem; }
.store .ic { width: 22px; height: 22px; }
.store-row.small .store { padding: 8px 12px; font-size: .85rem; background: rgba(255, 255, 255, .08); }

/* Pricing */
.billing-toggle { display: inline-flex; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin: 0 auto 30px; position: relative; left: 50%; transform: translateX(-50%); }
.billing-toggle button { border: 0; background: none; font: inherit; font-weight: 700; padding: 9px 22px; border-radius: 999px; color: var(--muted); cursor: pointer; }
.billing-toggle button[aria-selected="true"] { background: var(--ink); color: #fff; }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(196px, 1fr)); gap: 14px; align-items: stretch; }
.price-grid .price { padding: 24px 18px; }
.price { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; display: flex; flex-direction: column; }
.price.popular { border: 2px solid var(--green); box-shadow: var(--shadow); }
.badge { position: absolute; top: -12px; left: 22px; background: var(--green); color: #fff; font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.price h3 { font-size: 1.2rem; font-weight: 800; }
.price .desc { color: var(--muted); font-size: .9rem; margin-top: 6px; min-height: 4.4em; }
.amount { margin-top: 18px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 4px; }
.amount strong { font-size: clamp(1.6rem, 2.1vw, 2.1rem); font-weight: 800; letter-spacing: -.03em; white-space: nowrap; }
.amount span { color: var(--muted); font-size: .95rem; }
.save { display: inline-block; margin-top: 6px; font-size: .82rem; font-weight: 700; color: var(--green-600); background: var(--green-50); border-radius: 999px; padding: 3px 10px; }
.price .ticks { margin-top: 20px; margin-bottom: 22px; }
.price .ticks li { font-size: .9rem; }
.price .btn { margin-top: auto; width: 100%; }
.price:not(.popular) .btn { background: var(--ink); box-shadow: none; }
.tax-note { margin-top: 22px; font-size: .88rem; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 700; font-size: 1.05rem; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { transition: transform .2s; color: var(--muted); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { padding: 0 20px 20px; color: var(--muted); }

/* Final CTA */
.final { padding: 96px 0; background: radial-gradient(800px 400px at 50% 0%, rgba(0, 168, 132, .5), transparent 70%), var(--ink); color: #fff; }
.final h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
.final .lead { color: #cfe3de; margin: 14px auto 0; }
.inline-ticks { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; }
.inline-ticks li { display: flex; align-items: center; gap: 8px; font-weight: 600; color: #cfe3de; }
.inline-ticks .ic { color: var(--mint); width: 18px; height: 18px; }

/* Footer */
.footer { background: var(--ink); color: #b9cdc8; padding: 64px 0 28px; border-top: 1px solid rgba(255, 255, 255, .06); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer .brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { margin-bottom: 10px; }
.footer .muted { color: #7f9893; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-grid > div:not(.footer-brand) { display: grid; gap: 10px; align-content: start; }
.footer a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .88rem; }
.footer-langs { display: flex; gap: 16px; }
.footer-langs a[aria-current] { color: #fff; font-weight: 700; }

/* Responsive */
@media (max-width: 1080px) {
  .card-grid, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .hide-md { display: none; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .hide-sm { display: none; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 48px; min-height: 0; }
  .hero-copy { padding-bottom: 0; }
  .hero-visual { height: 420px; }
  .hero-visual .phone { width: 220px; }
  .phone-front { right: 8%; }
  .phone-back { right: auto; left: 8%; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .app-grid { grid-template-columns: 1fr; gap: 28px; }
  .split:nth-of-type(odd) .split-media { order: 0; }
  .split-media { height: 340px; }
  .three { grid-template-columns: 1fr; }
  .app-visual { height: 420px; }
  .app-visual .phone { width: 200px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .section { padding: 72px 0; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .card-grid, .industry-grid { grid-template-columns: 1fr; }
  .lead { font-size: 1.05rem; }
  .btn-lg { width: 100%; }
  .hero-visual { height: 360px; }
  .hero-visual .phone { width: 190px; }
  .phone-back { left: 2%; }
  .phone-front { right: 2%; }
  .app-visual .phone { width: 165px; }
  .phone-tilt-l { left: 2%; }
  .phone-tilt-r { right: 2%; }
  .stat strong { font-size: 1.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}
.brand span { white-space: nowrap; }
@media (max-width: 340px) { .nav .brand span { display: none; } }