/* WebThreenity */
:root {
  --ink: #0b1220;
  --ink-2: #111a2e;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --surface: #f6f8fc;
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --teal: #0d9488;
  --teal-light: #5eead4;
  --grad: linear-gradient(120deg, #6366f1 0%, #14b8a6 100%);
  --radius: 16px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, .12);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid #a5b4fc; outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip:focus { top: 12px; color: #fff; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------------------------------------------------------------- icons & buttons */
.icon { width: 24px; height: 24px; flex: none; }
.icon-sm { width: 18px; height: 18px; }
.icon-xs { width: 15px; height: 15px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 700; font-size: 15px; line-height: 1; padding: 13px 20px; border-radius: 12px; border: 1.5px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 10px 16px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 24px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(79, 70, 229, .35); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .22); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }

/* ---------------------------------------------------------------- brand */
.brand { display: inline-flex; color: var(--ink); }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark { width: 36px; height: 36px; }
.logo-text { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; color: inherit; }
.logo-text b { font-weight: 800; }

/* ---------------------------------------------------------------- header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .86); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s ease, box-shadow .2s ease; }
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(15, 23, 42, .05); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { color: var(--text); font-weight: 600; font-size: 15px; padding: 8px 12px; border-radius: 8px; }
.nav a:hover { color: var(--ink); background: var(--surface); }
.nav .nav-contact { display: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang { font-weight: 700; font-size: 13px; color: var(--ink); border: 1.5px solid var(--line); border-radius: 8px; padding: 7px 10px; letter-spacing: .04em; }
.lang:hover { border-color: var(--brand); color: var(--brand); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; padding: 0; }
.bars, .bars::before, .bars::after { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; margin: 0 auto; position: relative; transition: transform .2s ease, opacity .2s ease; }
.bars::before, .bars::after { content: ''; position: absolute; left: 0; }
.bars::before { top: -6px; }
.bars::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------- hero */
.hero { position: relative; overflow: hidden; background: var(--ink); color: #cbd5e1; padding: 96px 0 104px; }
.hero-bg { position: absolute; inset: 0; background:
  radial-gradient(60% 60% at 85% 30%, rgba(79, 70, 229, .35) 0%, rgba(79, 70, 229, 0) 70%),
  radial-gradient(50% 50% at 10% 90%, rgba(20, 184, 166, .22) 0%, rgba(20, 184, 166, 0) 70%),
  linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 44px 44px,
  linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 44px 44px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(36px, 5vw, 58px); font-weight: 800; letter-spacing: -0.035em; margin: 14px 0 20px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { font-size: 18px; line-height: 1.7; max-width: 580px; color: #cbd5e1; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-actions.center { justify-content: center; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; font-size: 14px; font-weight: 600; color: #94a3b8; }
.hero-facts li { display: inline-flex; align-items: center; gap: 7px; }
.hero-facts .icon { color: var(--teal-light); }

.eyebrow { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); }
.eyebrow-light { color: var(--teal-light); }

.orbit { width: 100%; height: auto; overflow: visible; }
.orbit .ring { fill: none; stroke: rgba(255, 255, 255, .14); stroke-width: 1.2; stroke-dasharray: 3 7; }
.orbit .ring-2 { stroke: rgba(255, 255, 255, .08); }
.orbit .spokes line { stroke: rgba(148, 163, 184, .25); stroke-width: 1.2; }
.orbit .core { filter: drop-shadow(0 12px 30px rgba(79, 70, 229, .5)); }
.orbit .core-text { fill: #fff; font: 700 14px var(--font); }
.orbit .pill rect { fill: rgba(17, 26, 46, .92); stroke: rgba(255, 255, 255, .2); stroke-width: 1.2; }
.orbit .pill circle { fill: var(--teal-light); }
.orbit .pill text { fill: #e2e8f0; font: 600 14px var(--font); }
.orbit .pill { animation: float 6s ease-in-out infinite; }
.orbit .p1 { animation-delay: -0.75s; }
.orbit .p2 { animation-delay: -1.50s; }
.orbit .p3 { animation-delay: -2.25s; }
.orbit .p4 { animation-delay: -3.00s; }
.orbit .p5 { animation-delay: -3.75s; }
.orbit .p6 { animation-delay: -4.50s; }
.orbit .p7 { animation-delay: -5.25s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* ---------------------------------------------------------------- strip */
.strip { border-bottom: 1px solid var(--line); background: #fff; }
.strip ul { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 28px; padding: 22px 0; }
.strip li { font-weight: 700; color: var(--muted); font-size: 15px; display: inline-flex; align-items: center; gap: 10px; }
.strip li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

/* ---------------------------------------------------------------- sections */
.section { padding: 96px 0; }
.section-alt { background: var(--surface); }
.section-dark { background: var(--ink); color: #cbd5e1; position: relative; overflow: hidden; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-intro { max-width: 720px; margin-bottom: 48px; }
.section-intro h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; margin-top: 10px; }
.lead { font-size: 18px; margin-top: 14px; color: var(--muted); }
.section-dark .lead { color: #94a3b8; }

.cards { display: grid; gap: 20px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-5 { grid-template-columns: repeat(5, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #c7d2fe; }
.card h3 { font-size: 19px; font-weight: 700; margin: 18px 0 8px; }
.card p { font-size: 15.5px; }
.card-compact { padding: 24px; }
.card-compact h3 { font-size: 17px; }
.card-compact p { font-size: 14.5px; }
.card-flat { box-shadow: none; background: var(--surface); border-color: transparent; }
.card-flat:hover { box-shadow: none; transform: none; border-color: var(--line); }
.card-icon { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 12px; background: #eef2ff; color: var(--brand); }
.card-icon-teal { background: #ccfbf1; color: var(--teal); }
.tick { display: inline-flex; width: 32px; height: 32px; align-items: center; justify-content: center; border-radius: 50%; background: var(--grad); color: #fff; }

.apps-cloud { margin-top: 56px; padding: 32px; border-radius: var(--radius); border: 1px dashed #c7d2fe; background: linear-gradient(180deg, #fafbff, #fff); }
.apps-cloud h3 { font-size: 17px; margin-bottom: 18px; }
.apps-cloud ul { display: flex; flex-wrap: wrap; gap: 10px; }
.apps-cloud li { font-size: 14px; font-weight: 600; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; }

/* ---------------------------------------------------------------- steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.step::after { content: ''; position: absolute; top: 44px; right: -21px; width: 22px; height: 2px; background: #c7d2fe; }
.step:last-child::after { display: none; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px; background: var(--ink); color: #fff; font-weight: 800; font-size: 14px; }
.step h3 { font-size: 18px; margin: 16px 0 8px; }
.step p { font-size: 14.5px; }

/* ---------------------------------------------------------------- product */
.section-dark::before { content: ''; position: absolute; inset: 0; background: radial-gradient(50% 80% at 100% 0%, rgba(79, 70, 229, .3), transparent 70%); }
.product { position: relative; display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.product h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; margin-top: 10px; }
.product-list { display: grid; gap: 20px; }
.product-card { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .14); border-radius: 20px; padding: 32px; }
.product-head { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.product-icon { display: inline-flex; width: 56px; height: 56px; align-items: center; justify-content: center; border-radius: 14px; background: var(--grad); color: #fff; flex: none; }
.product-icon .icon { width: 28px; height: 28px; }
.product-card h3 { font-size: 22px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tags li { font-size: 12px; font-weight: 700; color: var(--teal-light); border: 1px solid rgba(94, 234, 212, .35); border-radius: 999px; padding: 3px 10px; }
.product-card p { color: #cbd5e1; }
.product-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

/* ---------------------------------------------------------------- faq */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.faq-intro { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 22px; }
.faq-item[open] { border-color: #c7d2fe; box-shadow: var(--shadow); }
.faq-item summary { cursor: pointer; list-style: none; font-weight: 700; color: var(--ink); padding: 20px 32px 20px 0; position: relative; font-size: 16.5px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ''; position: absolute; right: 4px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: translateY(-70%) rotate(45deg); transition: transform .2s ease; }
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-item p { padding-bottom: 20px; }

/* ---------------------------------------------------------------- contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-copy .section-intro { margin-bottom: 32px; }
.channels { display: grid; gap: 12px; }
.channels a, .channel { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); font-weight: 700; word-break: break-word; }
.channels a:hover { border-color: #c7d2fe; background: #fafbff; color: var(--ink); }
.channels small { display: block; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.channel-icon { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 12px; background: #eef2ff; color: var(--brand); flex: none; }
.channel-icon.wa { background: #dcfce7; color: #16a34a; }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px; box-shadow: var(--shadow-lg); display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14px; font-weight: 700; color: var(--ink); }
.req { color: #dc2626; }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 15px; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease; }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(79, 70, 229, .12); }
.form-note { font-size: 13px; color: var(--muted); text-align: center; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* ---------------------------------------------------------------- footer */
.site-footer { background: var(--ink); color: #94a3b8; padding: 72px 0 32px; font-size: 15px; }
.site-footer .brand { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-tagline { color: #fff; font-weight: 700; margin: 16px 0 6px; }
.footer-title { font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 16px; }
.site-footer ul { display: grid; gap: 10px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-contact a { display: inline-flex; align-items: center; gap: 10px; word-break: break-all; }
.footer-contact .icon { width: 18px; height: 18px; color: var(--teal-light); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 56px; padding-top: 24px; font-size: 13px; }
.trademark { max-width: 640px; }

/* ---------------------------------------------------------------- simple pages */
.page-simple { background: var(--surface); }
.page-simple .site-header { background: rgba(246, 248, 252, .9); }
.simple-main { padding: 72px 0 96px; min-height: 60vh; }
.notice { max-width: 640px; margin: 0 auto; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 56px 40px; box-shadow: var(--shadow-lg); }
.notice .brand { justify-content: center; margin-bottom: 24px; }
.notice h1 { font-size: clamp(28px, 4vw, 38px); font-weight: 800; margin: 20px 0 12px; }
.notice-icon { display: inline-flex; width: 64px; height: 64px; align-items: center; justify-content: center; border-radius: 50%; background: var(--grad); color: #fff; }
.notice-icon .icon { width: 32px; height: 32px; }
.prose { max-width: 760px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 48px; }
.prose h1 { font-size: 36px; font-weight: 800; }
.prose h2 { font-size: 20px; margin: 32px 0 8px; }
.muted { color: var(--muted); margin-top: 8px; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1080px) {
  .cards-5 { grid-template-columns: repeat(3, 1fr); }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step::after { display: none; }
}
@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-cta { display: none; }
  .header-actions { margin-left: auto; }
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; margin: 0; padding: 8px 16px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px rgba(15, 23, 42, .12); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s; }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 16px; }
  .nav .nav-contact { display: block; border-bottom: 0; color: var(--brand); }
  .hero { padding: 56px 0 72px; }
  .hero-grid, .product, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; margin: 0 auto; width: 100%; }
  .faq-intro { position: static; }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 72px 0; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .cards-3, .cards-4, .cards-5, .steps, .field-row { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .hero-lead, .lead { font-size: 16.5px; }
  .strip ul { justify-content: flex-start; }
  .contact-form, .prose { padding: 24px 18px; }
  .notice { padding: 40px 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .logo-text { font-size: 18px; }
  .apps-cloud { padding: 22px 18px; }
  .orbit .pill text { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}