/* ============================================================
   GONGUGAN — Design System
   Dark-tech theme · Flame gradient · Circuit motif
   ============================================================ */

:root {
  /* Brand */
  --flame-1: #E23A22;
  --flame-2: #F26522;
  --flame-3: #F9A11B;
  --silver:  #C7CDD6;
  --grad-flame: linear-gradient(135deg, var(--flame-1) 0%, var(--flame-2) 55%, var(--flame-3) 100%);
  --grad-silver: linear-gradient(180deg, #EDF0F4 0%, #8E97A6 100%);

  /* Surfaces */
  --bg-0: #07090D;
  --bg-1: #0B0E14;
  --bg-2: #10141C;
  --panel: rgba(255,255,255,.03);
  --panel-2: rgba(255,255,255,.055);
  --line: rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.16);

  /* Text */
  --tx-1: #ECEFF4;
  --tx-2: #A7B0BF;
  --tx-3: #6D7686;

  /* Accents per product */
  --acc-his: #2ED3A5;
  --acc-fnb: #F9A11B;
  --acc-tos: #4EA8FF;
  --acc-bpm: #C084FC;

  --radius: 16px;
  --radius-lg: 24px;
  --shadow-glow: 0 0 60px rgba(242,101,34,.18);
  --font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --ease-out: cubic-bezier(.16,1,.3,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; }
}

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--tx-1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: rgba(242,101,34,.35); }

.container { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
@media (max-width: 640px) { .container { width: calc(100% - 32px); } }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -.02em; }
.display {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
}
.h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
.h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
.lead { font-size: clamp(1.02rem, 1.6vw, 1.22rem); color: var(--tx-2); }
.muted { color: var(--tx-2); }
.small { font-size: .875rem; }

.text-flame {
  background: var(--grad-flame);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-silver {
  background: var(--grad-silver);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .8rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--flame-3);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 28px; height: 2px; border-radius: 2px;
  background: var(--grad-flame);
}

.section-head { max-width: 720px; margin-bottom: clamp(36px, 6vw, 64px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head p { margin-top: 14px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .35s, border-color .35s, box-shadow .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7,9,13,.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.nav-inner {
  display: flex; align-items: center; gap: 28px;
  padding: 14px 0;
}
.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-logo img { height: 44px; width: auto; }
.nav-logo strong {
  font-size: 1.12rem; font-weight: 800; letter-spacing: .12em;
  background: var(--grad-silver); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 9px 14px; border-radius: 10px;
  font-size: .94rem; font-weight: 500; color: var(--tx-2);
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--tx-1); background: var(--panel-2); }
.nav-cta { margin-left: 8px; }
.nav-burger {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel); color: var(--tx-1); cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.nav-burger span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 920px) {
  .nav-burger { display: inline-flex; }
  .nav-links {
    position: fixed; top: 72px; right: 16px; left: 16px;
    flex-direction: column; align-items: stretch; gap: 6px;
    background: rgba(11,14,20,.97);
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: 0 30px 80px rgba(0,0,0,.6);
    opacity: 0; pointer-events: none; transform: translateY(-8px);
    transition: opacity .25s, transform .25s;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav-links a { padding: 13px 16px; }
  .nav-cta { margin: 6px 0 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px;
  font-family: var(--font); font-size: .97rem; font-weight: 700;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease-out), box-shadow .25s, background .25s, border-color .25s;
  will-change: transform;
}
.btn-flame {
  background: var(--grad-flame); color: #fff;
  box-shadow: 0 10px 30px rgba(226,58,34,.35);
}
.btn-flame:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(242,101,34,.5); }
.btn-ghost {
  background: var(--panel); color: var(--tx-1); border-color: var(--line-strong);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(242,101,34,.6); background: rgba(242,101,34,.08); }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(60% 55% at 72% 40%, transparent 0%, rgba(7,9,13,.25) 70%, rgba(7,9,13,.9) 100%),
    linear-gradient(180deg, rgba(7,9,13,.55) 0%, transparent 24%, transparent 70%, var(--bg-0) 100%);
}
.hero-inner { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 640px) 1fr; gap: 40px; align-items: center; }
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; } }
.hero .display { margin: 0 0 22px; }
.hero .lead { max-width: 560px; margin-bottom: 34px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(11,14,20,.6);
  font-size: .84rem; color: var(--tx-2); font-weight: 500;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad-flame); box-shadow: 0 0 10px var(--flame-2); }

.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 42px; border: 2px solid var(--line-strong); border-radius: 14px;
}
.scroll-hint::after {
  content: ""; position: absolute; left: 50%; top: 8px; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 4px; background: var(--flame-2);
  animation: scrollhint 1.8s infinite var(--ease-out);
}
@keyframes scrollhint { 0%{opacity:1; top:8px} 70%{opacity:0; top:22px} 100%{opacity:0; top:8px} }

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(70px, 10vw, 130px) 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,.018) 18%, rgba(255,255,255,.018) 82%, transparent); }

/* circuit divider */
.divider {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(90deg, transparent, rgba(242,101,34,.5), transparent);
}

/* ---------- Cards ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: transform .35s var(--ease-out), border-color .35s, background .35s, box-shadow .35s;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(242,101,34,.45);
  background: var(--panel-2);
  box-shadow: var(--shadow-glow);
}
.card h3 { margin: 18px 0 10px; }
.card p { color: var(--tx-2); font-size: .95rem; }

.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(242,101,34,.12);
  border: 1px solid rgba(242,101,34,.3);
  color: var(--flame-3);
}
.card-icon svg { width: 26px; height: 26px; }

/* product ecosystem cards */
.pcard {
  position: relative; display: flex; flex-direction: column;
  min-height: 340px;
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  overflow: hidden;
  transition: transform .4s var(--ease-out), border-color .4s, box-shadow .4s;
  transform-style: preserve-3d;
}
.pcard::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(140deg, transparent 40%, var(--acc, var(--flame-2)) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .4s;
}
.pcard::after {
  content: ""; position: absolute; right: -70px; top: -70px;
  width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, var(--acc, var(--flame-2)) 0%, transparent 70%);
  opacity: .1; transition: opacity .4s, transform .4s;
}
.pcard:hover { transform: translateY(-8px); border-color: transparent; box-shadow: 0 30px 70px rgba(0,0,0,.5); }
.pcard:hover::before { opacity: 1; }
.pcard:hover::after { opacity: .22; transform: scale(1.25); }
.pcard .tag {
  align-self: flex-start;
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--acc, var(--flame-2));
  border: 1px solid color-mix(in srgb, var(--acc, var(--flame-2)) 45%, transparent);
  background: color-mix(in srgb, var(--acc, var(--flame-2)) 10%, transparent);
  border-radius: 999px; padding: 5px 12px; margin-bottom: 18px;
}
.pcard h3 { font-size: 1.5rem; margin-bottom: 10px; }
.pcard p { color: var(--tx-2); font-size: .95rem; flex-grow: 1; }
.pcard .pcard-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 22px; font-weight: 700; font-size: .95rem;
  color: var(--acc, var(--flame-2));
}
.pcard .pcard-link .arr { transition: transform .3s; }
.pcard:hover .pcard-link .arr { transform: translateX(5px); }
.pcard.featured { grid-column: span 2; }
@media (max-width: 640px) { .pcard.featured { grid-column: auto; } .pcard { min-height: 0; } }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  text-align: center; padding: 34px 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.stat .num {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem); font-weight: 800; letter-spacing: -.02em;
  background: var(--grad-flame); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { color: var(--tx-2); font-size: .92rem; margin-top: 6px; }

/* ---------- Feature rows ---------- */
.frow {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px);
  align-items: center; padding: clamp(30px, 5vw, 60px) 0;
}
.frow.rev > .fmedia { order: 2; }
@media (max-width: 900px) {
  .frow, .frow.rev { grid-template-columns: 1fr; }
  .frow.rev > .fmedia { order: 0; }
}
.fmedia {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 90px rgba(0,0,0,.5);
  background: var(--bg-2);
}
.fmedia img, .fmedia svg { display: block; width: 100%; }
.fbody h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 14px; }
.fbody p { color: var(--tx-2); margin-bottom: 18px; }
.checks li {
  position: relative; padding: 7px 0 7px 34px; color: var(--tx-2);
}
.checks li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 20px; height: 20px; border-radius: 7px;
  background: rgba(242,101,34,.14) center/12px no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F9A11B' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  border: 1px solid rgba(242,101,34,.3);
}

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--flame-1), var(--flame-3));
  border-radius: 2px; opacity: .55;
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -33px; top: 7px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--grad-flame);
  box-shadow: 0 0 0 5px rgba(242,101,34,.15), 0 0 14px var(--flame-2);
}
.tl-item h4 { font-size: 1.08rem; margin-bottom: 6px; }
.tl-item p { color: var(--tx-2); font-size: .94rem; }
.tl-item .when { font-size: .8rem; font-weight: 700; letter-spacing: .1em; color: var(--flame-3); text-transform: uppercase; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(242,101,34,.35);
  background:
    radial-gradient(120% 160% at 8% 0%, rgba(226,58,34,.28), transparent 55%),
    radial-gradient(120% 160% at 96% 110%, rgba(249,161,27,.22), transparent 55%),
    var(--bg-2);
  padding: clamp(44px, 7vw, 80px) clamp(26px, 6vw, 72px);
  text-align: center;
}
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { max-width: 560px; margin: 0 auto 30px; color: var(--tx-2); }
.cta-band .hero-ctas { justify-content: center; margin-bottom: 0; }
.cta-band .ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(242,101,34,.2); pointer-events: none;
}

/* ---------- Forms ---------- */
.form-shell {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 44px);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .88rem; font-weight: 600; color: var(--tx-2); }
.field label .req { color: var(--flame-2); }
.field input, .field select, .field textarea {
  font-family: var(--font); font-size: 1rem; color: var(--tx-1);
  background: rgba(7,9,13,.6);
  border: 1px solid var(--line-strong); border-radius: 12px;
  padding: 13px 16px;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--flame-2);
  box-shadow: 0 0 0 4px rgba(242,101,34,.18);
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A7B0BF' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px; }
.field .err { display: none; font-size: .82rem; color: #FF7A6B; }
.field.invalid input, .field.invalid select { border-color: #E23A22; }
.field.invalid .err { display: block; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-note { font-size: .84rem; color: var(--tx-3); margin-top: 16px; }
.form-note a { color: var(--flame-3); }

.alert {
  display: none; align-items: flex-start; gap: 12px;
  border-radius: 14px; padding: 16px 18px; margin-bottom: 20px;
  font-size: .95rem;
}
.alert.show { display: flex; }
.alert-ok { background: rgba(46,211,165,.1); border: 1px solid rgba(46,211,165,.4); color: #7FE8C9; }
.alert-err { background: rgba(226,58,34,.12); border: 1px solid rgba(226,58,34,.45); color: #FF9C8F; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(242,101,34,.04));
  padding: clamp(50px, 7vw, 80px) 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; margin-bottom: 44px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h5 { font-size: .82rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--tx-3); margin-bottom: 16px; }
.footer li { margin-bottom: 10px; }
.footer a { color: var(--tx-2); font-size: .94rem; transition: color .2s; }
.footer a:hover { color: var(--flame-3); }
.footer .brand img { height: 52px; margin-bottom: 14px; }
.footer .brand p { color: var(--tx-2); font-size: .92rem; max-width: 300px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
  color: var(--tx-3); font-size: .85rem;
}
.footer-domains { display: flex; gap: 14px; flex-wrap: wrap; }
.footer-domains span { color: var(--tx-3); }
.footer-domains strong { color: var(--flame-3); font-weight: 600; }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); transition-delay: var(--d, 0s); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-l { opacity: 0; transform: translateX(-36px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); transition-delay: var(--d, 0s); }
.reveal-r { opacity: 0; transform: translateX(36px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); transition-delay: var(--d, 0s); }
.reveal-l.visible, .reveal-r.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-l, .reveal-r { opacity: 1; transform: none; }
}

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  position: relative; padding: 170px 0 80px; overflow: hidden;
  background:
    radial-gradient(70% 60% at 80% 0%, color-mix(in srgb, var(--page-acc, var(--flame-2)) 14%, transparent), transparent 60%),
    var(--bg-0);
}
#page-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: .86rem; color: var(--tx-3); margin-bottom: 22px; }
.breadcrumb a { color: var(--tx-2); }
.breadcrumb a:hover { color: var(--flame-3); }
.breadcrumb .sep { opacity: .5; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 60px; width: max-content; animation: marquee 30s linear infinite; padding: 8px 0; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-size: .95rem; font-weight: 600; color: var(--tx-3); letter-spacing: .06em; white-space: nowrap; display: inline-flex; align-items: center; gap: 12px; }
.marquee-track span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--flame-2); opacity: .6; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Misc ---------- */
.glow-orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; opacity: .35; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--flame-2); color: #fff; padding: 10px 18px; border-radius: 0 0 12px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

.kbd-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.kbd-badges span {
  font-size: .8rem; font-weight: 600; color: var(--tx-2);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px;
  background: var(--panel);
}

.err-hero { min-height: 80svh; display: flex; align-items: center; text-align: center; }
.err-hero .display { font-size: clamp(4rem, 16vw, 9rem); }

/* ---------- Nav dropdown ---------- */
.nav-item.has-drop { position: relative; }
.nav-drop-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px; border-radius: 10px; border: 0; background: none;
  font-family: var(--font); font-size: .94rem; font-weight: 500;
  color: var(--tx-2); cursor: pointer; transition: color .2s, background .2s;
}
.nav-drop-btn:hover { color: var(--tx-1); background: var(--panel-2); }
.nav-drop-btn .caret { width: 14px; height: 14px; transition: transform .25s; }
.nav-drop-btn .globe { width: 16px; height: 16px; }
.has-drop.open .nav-drop-btn .caret { transform: rotate(180deg); }
.drop-menu {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 270px;
  background: rgba(11,14,20,.97);
  border: 1px solid var(--line); border-radius: 16px; padding: 8px;
  box-shadow: 0 30px 70px rgba(0,0,0,.55);
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: opacity .22s, transform .22s;
  z-index: 60;
}
.drop-lang { min-width: 170px; left: auto; right: 0; }
@media (hover: hover) {
  .has-drop:hover .drop-menu, .has-drop:focus-within .drop-menu {
    opacity: 1; pointer-events: auto; transform: none;
  }
  .has-drop:hover .nav-drop-btn .caret { transform: rotate(180deg); }
}
.has-drop.open .drop-menu { opacity: 1; pointer-events: auto; transform: none; }
.drop-menu a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 11px 14px; border-radius: 10px;
  transition: background .2s;
}
.drop-menu a:hover, .drop-menu a[aria-current="page"] { background: rgba(242,101,34,.1); }
.drop-menu a strong { font-size: .95rem; color: var(--tx-1); }
.drop-menu a span { font-size: .8rem; color: var(--tx-3); }
.drop-lang a { flex-direction: row; font-size: .92rem; color: var(--tx-2); }
.drop-lang a:hover, .drop-lang a[aria-current="page"] { color: var(--flame-3); }
@media (max-width: 920px) {
  .nav-item.has-drop { width: 100%; }
  .nav-drop-btn { width: 100%; justify-content: space-between; padding: 13px 16px; }
  .drop-menu {
    position: static; min-width: 0; box-shadow: none; border: 0;
    background: rgba(255,255,255,.03); border-radius: 12px;
    display: none; opacity: 1; transform: none; pointer-events: auto;
    margin: 4px 0 6px;
  }
  .has-drop.open .drop-menu { display: block; }
}

/* ---------- Lưới kết nối (integrations) ---------- */
.integr-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 980px) { .integr-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .integr-grid { grid-template-columns: 1fr; } }
.integr {
  display: flex; align-items: center; gap: 13px;
  padding: 16px 18px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--line);
  transition: transform .3s var(--ease-out), border-color .3s, background .3s;
}
.integr:hover { transform: translateY(-3px); border-color: rgba(242,101,34,.4); background: var(--panel-2); }
.integr .ic {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 11px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(242,101,34,.1); border: 1px solid rgba(242,101,34,.25);
  color: var(--flame-3);
}
.integr .ic svg { width: 21px; height: 21px; }
.integr strong { display: block; font-size: .93rem; color: var(--tx-1); line-height: 1.3; }
.integr span { font-size: .78rem; color: var(--tx-3); }

/* ---------- Thông tin tài khoản dùng thử ---------- */
.trial-box {
  display: none; margin-top: 18px;
  border: 1px solid rgba(46,211,165,.4); border-radius: 14px;
  background: rgba(46,211,165,.06); padding: 18px 20px;
}
.trial-box.show { display: block; }
.trial-box h4 { font-size: 1rem; margin-bottom: 12px; color: #7FE8C9; }
.trial-row { display: flex; gap: 10px; align-items: baseline; padding: 5px 0; flex-wrap: wrap; }
.trial-row .k { font-size: .82rem; color: var(--tx-3); min-width: 110px; }
.trial-row .v {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .95rem; color: var(--tx-1);
  background: rgba(7,9,13,.6); border: 1px solid var(--line);
  border-radius: 8px; padding: 3px 10px; user-select: all;
}
.trial-note { font-size: .8rem; color: var(--tx-3); margin-top: 10px; }

/* ---------- Dropdown: dòng "tất cả giải pháp" ---------- */
.drop-all {
  flex-direction: row !important; align-items: center; gap: 8px;
  margin-top: 4px; border-top: 1px solid var(--line); border-radius: 0 0 10px 10px;
  font-weight: 700; font-size: .88rem; color: var(--flame-3) !important;
}
.drop-all .arr { transition: transform .25s; }
.drop-all:hover .arr { transform: translateX(4px); }

/* ---------- Tin tức ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 980px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .news-grid { grid-template-columns: 1fr; } }
.news-card {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 26px 24px;
  transition: transform .35s var(--ease-out), border-color .35s, background .35s;
}
.news-card:hover { transform: translateY(-6px); border-color: rgba(242,101,34,.45); background: var(--panel-2); }
.news-card .cat {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--flame-3);
  background: rgba(242,101,34,.1); border: 1px solid rgba(242,101,34,.3);
  border-radius: 999px; padding: 4px 12px;
}
.news-card h3 { font-size: 1.18rem; line-height: 1.35; }
.news-card p { color: var(--tx-2); font-size: .93rem; flex-grow: 1; }
.post-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--tx-3); }
.post-meta time { color: var(--tx-3); }

/* ---------- Nội dung bài viết ---------- */
.prose { max-width: 760px; margin: 0 auto; font-size: 1.05rem; }
.prose h2 { font-size: clamp(1.35rem, 2.6vw, 1.7rem); margin: 44px 0 16px; }
.prose h3 { font-size: 1.15rem; margin: 32px 0 12px; }
.prose p { color: var(--tx-2); margin-bottom: 18px; }
.prose strong { color: var(--tx-1); }
.prose ul, .prose ol { margin: 0 0 18px 22px; color: var(--tx-2); }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 8px; }
.prose blockquote {
  border-left: 3px solid var(--flame-2); border-radius: 2px;
  padding: 10px 20px; margin: 24px 0;
  background: rgba(242,101,34,.06); color: var(--tx-1); font-weight: 500;
}
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9em; background: rgba(255,255,255,.07);
  border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px;
}
.prose .prose-cta {
  margin: 36px 0 0; padding: 24px 26px;
  background: var(--panel); border: 1px solid rgba(242,101,34,.35); border-radius: var(--radius);
}
.prose .prose-cta p { margin-bottom: 14px; }

/* ---------- Vệ tinh (sản phẩm nhỏ) ---------- */
.sat-card { min-height: 0; }
.sat-card h3 { font-size: 1.18rem; margin: 14px 0 8px; }
.sat-card .sub { font-size: .82rem; font-weight: 700; letter-spacing: .06em; color: var(--flame-3); text-transform: uppercase; }