/* ============================================================
   MatrixQual — Deep-space / neon-cyan design system
   ============================================================ */

:root {
  --bg:        #05070d;
  --bg-2:      #080c16;
  --panel:     rgba(15, 22, 38, 0.55);
  --panel-2:   rgba(20, 28, 46, 0.75);
  --line:      rgba(110, 240, 215, 0.15);
  --line-soft: rgba(110, 240, 215, 0.07);

  --cyan:      #25e8c4;
  --cyan-bright:#6dffe4;
  --orange:    #ff9b06;
  --orange-bright:#ffc36b;

  --text:      #e9f2fb;
  --muted:     #93a8c4;
  --muted-2:   #647a96;

  --good:      #3ce8a4;
  --warn:      #ffc24b;
  --bad:       #ff5d73;

  --grad:      linear-gradient(110deg, var(--orange-bright) 0%, var(--orange) 55%, #f07c00 100%);
  --grad-teal: linear-gradient(110deg, #6dffe4 0%, var(--cyan) 55%, #0fae9b 100%);
  --grad-soft: linear-gradient(110deg, rgba(255,155,6,0.14), rgba(37,232,196,0.10) 60%, rgba(255,155,6,0.10));

  --radius:    18px;
  --radius-sm: 12px;
  --shadow:    0 24px 60px -20px rgba(0,0,0,0.7);
  --glow:      0 0 0 1px rgba(37,232,196,0.18), 0 0 40px -8px rgba(37,232,196,0.35);

  --font-head: "Space Grotesk", "Sora", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:      "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient background layers ---------------------------------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(110,245,220,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110,245,220,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 80%);
  pointer-events: none;
}
.bg-glow {
  position: fixed;
  z-index: -2;
  width: 70vw;
  height: 70vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
}
.bg-glow.a { top: -22vw; left: -10vw; background: radial-gradient(circle, rgba(255,155,6,0.28), transparent 65%); }
.bg-glow.b { top: 30vh; right: -22vw; background: radial-gradient(circle, rgba(37,232,196,0.22), transparent 65%); }
.bg-glow.c { bottom: -20vw; left: 30vw; background: radial-gradient(circle, rgba(255,155,6,0.13), transparent 65%); }
.bg-vignette {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 120% 80% at 50% -10%, transparent 40%, rgba(3,5,10,0.6) 100%);
}

/* Layout ----------------------------------------------------- */
.wrap { width: min(var(--maxw), 92vw); margin: 0 auto; }
section { position: relative; padding: clamp(64px, 9vw, 130px) 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--orange);
  padding: 6px 14px; border: 1px solid rgba(255,155,6,0.25);
  border-radius: 999px; background: rgba(255,155,6,0.06);
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 10px var(--orange); }

h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
h2.section-title { font-size: clamp(30px, 4.4vw, 50px); margin-bottom: 18px; }
.section-lead { color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); max-width: 620px; }
.center { text-align: center; }
.center .section-lead { margin-inline: auto; }

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

/* Buttons ---------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-head); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; text-decoration: none;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary {
  color: #2a1500; background: var(--grad);
  box-shadow: 0 8px 30px -8px rgba(255,155,6,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px rgba(255,155,6,0.75); }
.btn-ghost {
  color: var(--text); background: rgba(255,255,255,0.02); border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan-bright); box-shadow: var(--glow); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* Nav -------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5,7,13,0.82), rgba(5,7,13,0.4));
  border-bottom: 1px solid var(--line-soft);
  transition: border-color .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(5,7,13,0.9); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); font-family: var(--font-head); font-weight: 700; font-size: 19px; letter-spacing: -0.01em; }
.brand .mark { width: 38px; height: 38px; flex: none; }
.brand b { font-weight: 700; }
.brand .q { color: var(--orange); }
.nav-links { display: flex; gap: 26px; margin-left: 10px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; transition: color .2s; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }

/* Language toggle (EN / 中文) */
.lang-toggle {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.05em;
  color: var(--muted); background: rgba(255,255,255,0.02);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 14px; cursor: pointer; white-space: nowrap;
  transition: color .2s, border-color .2s, box-shadow .25s;
}
.lang-toggle:hover { color: var(--cyan-bright); border-color: var(--cyan); box-shadow: var(--glow); }

/* Hero ------------------------------------------------------- */
.hero { padding-top: clamp(56px, 8vw, 96px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6vw, 70px); font-weight: 700; }
.hero p.lead { color: var(--muted); font-size: clamp(17px, 1.7vw, 21px); margin: 24px 0 32px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 30px; margin-top: 40px; flex-wrap: wrap; }
.hero-meta .item .n { font-family: var(--font-head); font-size: 26px; font-weight: 700; color: var(--text); }
.hero-meta .item .n .grad-text { font-weight: 700; }
.hero-meta .item .l { font-size: 13px; color: var(--muted); }

/* Hero dashboard mockup */
.device {
  position: relative; border-radius: 20px;
  background: linear-gradient(160deg, rgba(20,28,46,0.9), rgba(10,15,26,0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.05);
  padding: 16px; overflow: hidden;
}
.device::before {
  content: ""; position: absolute; inset: 0;
  background: var(--grad-soft); opacity: 0.5; pointer-events: none;
}
.device-bar { display: flex; align-items: center; gap: 7px; margin-bottom: 14px; position: relative; }
.device-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.device-bar .title { margin-left: 8px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.device-bar .live { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--good); display: flex; align-items: center; gap: 6px; }
.device-bar .live::before { content:""; width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 10px var(--good); animation: pulse 1.6s infinite; }

.dash { position: relative; display: grid; gap: 12px; }
.dash-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.metric {
  background: rgba(8,12,22,0.6); border: 1px solid var(--line-soft);
  border-radius: 12px; padding: 12px 13px;
}
.metric .k { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.metric .v { font-family: var(--font-head); font-size: 22px; font-weight: 700; margin-top: 4px; }
.metric .v small { font-size: 13px; color: var(--muted); }
.metric.good .v { color: var(--good); }
.metric.warn .v { color: var(--warn); }

.dash-row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 12px; }
.panel-mini {
  background: rgba(8,12,22,0.6); border: 1px solid var(--line-soft);
  border-radius: 12px; padding: 13px;
}
.panel-mini .h { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 11px; display:flex; justify-content:space-between; }

/* heatmap */
.heat { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; }
.heat i { aspect-ratio: 1; border-radius: 4px; background: rgba(110,245,220,0.07); }

/* bars */
.bars { display: flex; align-items: flex-end; gap: 7px; height: 86px; }
.bars i { flex: 1; border-radius: 4px 4px 0 0; background: var(--grad-teal); opacity: 0.85; transition: height 1s cubic-bezier(.2,.8,.2,1); }

.pipeline { display: flex; gap: 6px; }
.pipeline .stage { flex:1; text-align:center; }
.pipeline .stage .bar { height: 6px; border-radius: 3px; background: rgba(120,200,255,0.12); overflow: hidden; }
.pipeline .stage .bar b { display:block; height:100%; background: var(--grad-teal); width: 0; transition: width 1.2s ease; }
.pipeline .stage .lab { font-size: 9.5px; color: var(--muted); margin-top: 6px; font-family: var(--mono); }

/* Marquee trust bar ------------------------------------------ */
.trust { padding: 30px 0; border-block: 1px solid var(--line-soft); }
.trust .wrap { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; justify-content: center; }
.trust .label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted-2); }
.trust .pill { display:flex; align-items:center; gap:9px; color: var(--muted); font-size: 14px; font-weight: 500; }
.trust .pill svg { width: 18px; height: 18px; color: var(--cyan); }

/* Cards / services ------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.card {
  position: relative; padding: 28px 26px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  transition: transform .3s ease, border-color .3s, box-shadow .3s;
  overflow: hidden;
}
.card::after {
  content:""; position:absolute; inset:0; border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(255,155,6,0.10), transparent 45%);
  opacity: 0; transition: opacity .35s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(255,155,6,0.4); box-shadow: var(--shadow); }
.card:hover::after { opacity: 1; }
.card .ico {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--line); margin-bottom: 18px;
  color: var(--orange);
}
.card .ico svg { width: 25px; height: 25px; }
.card h3 { font-size: 20px; margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.card .tag { margin-top: 16px; font-family: var(--mono); font-size: 11.5px; color: var(--cyan); letter-spacing: 0.06em; }

/* Platform split -------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature-list { display: grid; gap: 18px; margin-top: 30px; }
.feature {
  display: flex; gap: 16px; padding: 18px; border-radius: 14px;
  border: 1px solid var(--line-soft); background: rgba(255,255,255,0.015);
  transition: border-color .25s, background .25s;
}
.feature:hover { border-color: var(--line); background: rgba(37,232,196,0.04); }
.feature .fi { flex: none; width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--grad-soft); border: 1px solid var(--line); color: var(--cyan); }
.feature .fi svg { width: 21px; height: 21px; }
.feature h4 { font-family: var(--font-head); font-size: 16.5px; margin: 0 0 4px; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* code / terminal accent panel */
.term {
  border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(10,15,26,0.95), rgba(8,11,20,0.98));
  box-shadow: var(--shadow); overflow: hidden;
}
.term .top { display: flex; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); align-items:center; }
.term .top .dot { width: 11px; height: 11px; border-radius: 50%; }
.term .top .dot:nth-child(1){background:#ff5f57}.term .top .dot:nth-child(2){background:#febc2e}.term .top .dot:nth-child(3){background:#28c840}
.term .top .t { margin-left: 10px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.term pre { margin: 0; padding: 20px; font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--muted); overflow-x: auto; }
.term .c { color: var(--cyan); }
.term .g { color: var(--good); }
.term .v { color: var(--orange-bright); }
.term .m { color: var(--muted-2); }

/* Steps / how it works -------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 50px; counter-reset: step; }
.step {
  position: relative; padding: 26px 22px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(8px);
}
.step .num {
  font-family: var(--mono); font-size: 13px; color: var(--orange);
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  border: 1px solid rgba(255,155,6,0.25); background: rgba(255,155,6,0.07); margin-bottom: 16px;
}
.step h4 { font-family: var(--font-head); font-size: 18px; margin: 0 0 8px; }
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }
.step .arrow { position: absolute; right: -13px; top: 46px; color: var(--line); z-index: 2; }
.step .arrow svg { width: 22px; height: 22px; }

/* Case studies ----------------------------------------------- */
.cases { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin-top: 48px; }
.case {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--panel); padding: 30px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.case:hover { transform: translateY(-4px); border-color: rgba(255,155,6,0.35); box-shadow: var(--shadow); }
.case .sector { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); }
.case h3 { font-size: 23px; margin: 12px 0 10px; }
.case p { color: var(--muted); font-size: 15px; margin: 0 0 22px; }
.case .stats { display: flex; gap: 26px; flex-wrap: wrap; border-top: 1px solid var(--line-soft); padding-top: 20px; }
.case .stats .s .n { font-family: var(--font-head); font-size: 26px; font-weight: 700; }
.case .stats .s .l { font-size: 12.5px; color: var(--muted); }

/* CTA band --------------------------------------------------- */
.cta-band { padding: clamp(48px, 7vw, 90px) 0; }
.cta-box {
  position: relative; border-radius: 26px; padding: clamp(36px,5vw,68px);
  border: 1px solid var(--line); overflow: hidden; text-align: center;
  background: linear-gradient(160deg, rgba(20,28,46,0.7), rgba(10,15,26,0.6));
}
.cta-box::before { content:""; position:absolute; inset:0; background: var(--grad-soft); opacity:0.7; }
.cta-box > * { position: relative; }
.cta-box h2 { font-size: clamp(28px, 4vw, 46px); margin-bottom: 16px; }
.cta-box p { color: var(--muted); max-width: 520px; margin: 0 auto 30px; font-size: 17px; }
.cta-box .hero-cta { justify-content: center; }

/* Footer ----------------------------------------------------- */
.footer { border-top: 1px solid var(--line-soft); padding: 56px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer .brand { margin-bottom: 16px; }
.footer p.desc { color: var(--muted); font-size: 14.5px; max-width: 280px; }
.footer h5 { font-family: var(--font-head); font-size: 14px; letter-spacing: 0.04em; margin: 0 0 16px; color: var(--text); }
.footer a { display: block; color: var(--muted); text-decoration: none; font-size: 14.5px; margin-bottom: 10px; transition: color .2s; }
.footer a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 46px; padding-top: 24px; border-top: 1px solid var(--line-soft); color: var(--muted-2); font-size: 13px; flex-wrap: wrap; gap: 12px; }
.footer-bottom .badge { font-family: var(--mono); font-size: 12px; color: var(--muted); display:flex; align-items:center; gap:8px; }
.footer-bottom .badge::before { content:""; width:7px;height:7px;border-radius:50%; background: var(--good); box-shadow:0 0 8px var(--good); }

/* Reveal animation ------------------------------------------ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.7)} }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.floaty { animation: float 7s ease-in-out infinite; }

/* Modal ------------------------------------------------------ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center; padding: 24px;
  background: rgba(3,5,10,0.7); backdrop-filter: blur(8px);
}
.modal-overlay.open { display: flex; }
.modal {
  width: min(520px, 100%); border-radius: var(--radius);
  border: 1px solid var(--line); background: linear-gradient(160deg, rgba(18,25,42,0.98), rgba(9,13,23,0.99));
  box-shadow: var(--shadow); padding: 34px; position: relative;
  animation: modalIn .35s cubic-bezier(.2,.8,.2,1);
}
@keyframes modalIn { from{opacity:0;transform:translateY(20px) scale(.98)} to{opacity:1;transform:none} }
.modal h3 { font-size: 24px; margin-bottom: 8px; }
.modal p.sub { color: var(--muted); font-size: 15px; margin: 0 0 22px; }
.modal .close { position: absolute; top: 18px; right: 18px; background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 9px; width: 32px; height: 32px; cursor: pointer; font-size: 16px; }
.modal .close:hover { color: var(--text); border-color: var(--cyan); }

/* Forms ------------------------------------------------------ */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border-radius: 11px;
  background: rgba(8,12,22,0.7); border: 1px solid var(--line);
  color: var(--text); font-family: var(--font-body); font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(37,232,196,0.14);
}
.field textarea { resize: vertical; min-height: 90px; }
.form-note { font-size: 13px; color: var(--muted-2); margin-top: 14px; text-align: center; }
.form-ok { display:none; text-align:center; padding: 10px; }
.form-ok.show { display:block; }
.form-ok .ico { width: 56px; height: 56px; border-radius: 50%; display:grid; place-items:center; margin: 0 auto 16px; background: var(--grad-soft); border: 1px solid var(--line); color: var(--good); }

/* ====================== LOGIN PAGE ========================== */
.login-page { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 0.9fr; }
.login-aside {
  position: relative; padding: 54px; display: flex; flex-direction: column; justify-content: space-between;
  border-right: 1px solid var(--line-soft); overflow: hidden;
}
.login-aside .glowline { position:absolute; inset:0; background: var(--grad-soft); opacity:.4; }
.login-aside > * { position: relative; }
.login-aside .pitch h2 { font-size: clamp(28px,3.4vw,42px); margin: 26px 0 16px; max-width: 460px; }
.login-aside .pitch p { color: var(--muted); max-width: 420px; font-size: 16px; }
.login-aside .mini-feats { display:grid; gap: 14px; margin-top: 30px; max-width: 420px; }
.login-aside .mini-feats .mf { display:flex; gap:12px; align-items:flex-start; color: var(--muted); font-size: 14.5px; }
.login-aside .mini-feats .mf svg { width:18px;height:18px;color:var(--cyan);flex:none;margin-top:2px; }
.login-aside .foot { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }

.login-main { display: flex; align-items: center; justify-content: center; padding: 40px; }
.login-card { width: min(400px, 100%); }
.login-card .topbrand { display:flex; align-items:center; gap:11px; margin-bottom: 36px; }
.login-card h1 { font-size: 28px; margin-bottom: 8px; }
.login-card .sub { color: var(--muted); margin-bottom: 30px; font-size: 15px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.login-card .row { display:flex; justify-content: space-between; align-items:center; font-size: 13.5px; margin: -4px 0 20px; }
.login-card .row a { color: var(--cyan); text-decoration: none; }
.login-card .row label { color: var(--muted); display:flex; align-items:center; gap:7px; cursor:pointer; }
.login-card .alt { text-align:center; margin-top: 26px; color: var(--muted); font-size: 14px; }
.login-card .alt a { color: var(--cyan); text-decoration: none; }
.login-error { display:none; background: rgba(255,93,115,0.1); border:1px solid rgba(255,93,115,0.35); color:#ff9aa8; padding:11px 14px; border-radius:11px; font-size:13.5px; margin-bottom:18px; }
.login-error.show { display:block; }
.demo-hint { margin-top: 20px; padding: 13px 15px; border:1px dashed var(--line); border-radius:11px; font-family: var(--mono); font-size:12px; color: var(--muted); }
.demo-hint b { color: var(--cyan); }
.login-top { position: absolute; top: 26px; right: 30px; display: flex; align-items: center; gap: 14px; }
.back-home { color: var(--muted); text-decoration:none; font-size:14px; display:flex; align-items:center; gap:7px; }
.back-home:hover{color:var(--cyan);}

/* Responsive ------------------------------------------------- */
@media (max-width: 980px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero-grid { gap: 44px; }
  .cards, .steps { grid-template-columns: repeat(2,1fr); }
  .step .arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .login-page { grid-template-columns: 1fr; }
  .login-aside { display: none; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0;
    background: rgba(5,7,13,0.97); padding: 20px 4vw; border-bottom: 1px solid var(--line); gap: 18px;
  }
  .nav-toggle { display: block; }
  .nav-actions .hide-mobile { display: none; }
}
@media (max-width: 600px) {
  .cards, .steps, .cases, .footer-grid { grid-template-columns: 1fr; }
  .dash-metrics { grid-template-columns: repeat(3,1fr); }
  .hero-meta { gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}