/* =========================================================================
   MMOLogin Solutions — HOMEPAGE (company introduction)
   Standalone stylesheet. Shares the brand design language (colors, gradients,
   Poppins, pills & cards) but never collides with the product page
   (products.html → styles.css). Site chrome lives in chrome.css.
   Fluid type/space via clamp() so nothing ever overlaps across breakpoints.
   ========================================================================= */

:root {
  /* Brand */
  --c-white:#ffffff;
  --c-ink:#0b1b2b;            /* body text */
  --c-ink-soft:#5a6b7b;       /* muted text */
  --c-blue:#003970;           /* regal blue — headings */
  --c-purple:#9647db;
  --c-violet:#5e57ea;
  --c-lime:#dce400;           /* chartreuse accent */
  --c-line:#e7ecf3;
  --c-surface:#f6f8fc;        /* section tint */

  /* Gradients */
  --g-hero:linear-gradient(135deg,#2a1668 0%,#4a2aa0 45%,#6d3bd4 100%);
  --g-purple:linear-gradient(135deg,#5e57ea 0%,#9647db 100%);
  --g-card:linear-gradient(180deg,#9647db 0%,#5e57ea 100%);
  --g-footer:linear-gradient(135deg,#3a1f8c 0%,#5b34c4 55%,#7e46d6 100%);

  /* Type */
  --font:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --fw-l:300; --fw-r:400; --fw-m:500; --fw-sb:600; --fw-b:700;

  /* Fluid scale */
  --fs-display:clamp(32px,4.2vw,54px);
  --fs-h2:clamp(28px,3.4vw,44px);
  --fs-h3:clamp(19px,1.5vw,22px);
  --fs-lead:clamp(16px,1.35vw,19px);
  --fs-body:clamp(14px,1.05vw,16px);
  --fs-sm:14px;
  --fs-xs:13px;

  /* Layout */
  --container:1200px;
  --gutter:clamp(18px,4vw,32px);
  --section-pad:clamp(64px,8vw,110px);
  --radius:18px;
  --radius-lg:24px;
  --radius-pill:999px;

  /* FX */
  --shadow-sm:0 6px 20px rgba(11,27,43,.06);
  --shadow:0 16px 44px rgba(11,27,43,.10);
  --shadow-lg:0 28px 70px rgba(11,27,43,.16);
  --shadow-purple:0 20px 50px rgba(109,59,212,.30);
  --t:.28s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
*{margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:90px;}
body{
  font-family:var(--font);
  font-weight:var(--fw-r);
  font-size:var(--fs-body);
  color:var(--c-ink);
  background:var(--c-white);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul{list-style:none;}
:focus-visible{outline:3px solid var(--c-violet);outline-offset:3px;border-radius:4px;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;}
}

/* ---------- Layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:var(--section-pad);position:relative;}
.section--tint{background:var(--c-surface);}
.section-head{max-width:780px;margin:0 auto clamp(40px,5vw,64px);text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:var(--fs-xs);
  font-weight:var(--fw-sb);
  letter-spacing:2.5px;
  text-transform:uppercase;
  color:var(--c-purple);
  margin-bottom:14px;
}
.section-title{
  font-size:var(--fs-h2);
  font-weight:var(--fw-b);
  color:var(--c-blue);
  line-height:1.15;
  letter-spacing:-.5px;
}
.section-sub{margin-top:16px;font-size:var(--fs-lead);font-weight:var(--fw-l);color:var(--c-ink-soft);}
.section-head--light .eyebrow{color:var(--c-lime);}
.section-head--light .section-title{color:#fff;}
.section-head--light .section-sub{color:rgba(255,255,255,.85);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:var(--fs-sm);font-weight:var(--fw-sb);
  padding:14px 28px;border-radius:8px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;line-height:1;
}
.btn:hover{transform:translateY(-2px);}
.btn-lime{background:var(--c-lime);color:#1a1e00;box-shadow:0 10px 26px rgba(220,228,0,.34);}
.btn-lime:hover{box-shadow:0 14px 34px rgba(220,228,0,.5);}
.btn-grad{background:var(--g-purple);color:#fff;box-shadow:0 10px 26px rgba(109,59,212,.4);}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.16);}
.btn-outline{border:1.6px solid var(--c-line);color:var(--c-blue);background:#fff;}
.btn-outline:hover{border-color:var(--c-purple);color:var(--c-purple);}
.btn-sm{padding:11px 22px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--g-hero);
  padding:clamp(130px,15vw,180px) 0 clamp(100px,12vw,150px);
  color:#fff;
}
.hero-network{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;mix-blend-mode:screen;opacity:.9;}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);z-index:-1;pointer-events:none;}
.hero-glow.g1{width:520px;height:520px;background:rgba(150,71,219,.45);top:-140px;right:-120px;}
.hero-glow.g2{width:420px;height:420px;background:rgba(94,87,234,.4);bottom:-160px;left:-120px;}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.02fr .98fr;align-items:center;
  gap:clamp(32px,5vw,64px);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  font-size:var(--fs-xs);font-weight:var(--fw-m);letter-spacing:.4px;
  margin-bottom:22px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-lime);box-shadow:0 0 10px var(--c-lime);}
.hero-title{font-size:var(--fs-display);font-weight:var(--fw-b);line-height:1.13;letter-spacing:-1px;max-width:15ch;text-wrap:balance;}
.hero-title .accent{
  background:linear-gradient(90deg,#dce400,#b8e986);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{max-width:540px;margin-top:22px;font-size:var(--fs-lead);font-weight:var(--fw-l);color:rgba(255,255,255,.9);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-pillars{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:var(--fs-xs);font-weight:var(--fw-m);color:rgba(255,255,255,.92);
}
.hero-pill svg{width:15px;height:15px;color:var(--c-lime);flex-shrink:0;}
.hero-visual{position:relative;padding-block:72px;}
.hero-visual .float-chip{
  position:absolute;z-index:2;display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.97);
  box-shadow:var(--shadow);color:var(--c-ink);font-size:var(--fs-xs);font-weight:var(--fw-sb);
  animation:floaty 5s ease-in-out infinite;max-width:230px;line-height:1.35;
}
.float-chip .ico{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;flex-shrink:0;}
.float-chip.small{gap:8px;padding:9px 13px;}
.float-chip.small .ico{width:26px;height:26px;border-radius:8px;}
.float-chip.small b{color:var(--c-purple);font-weight:var(--fw-b);}
/* chips live in the top/bottom gutters created by padding-block — never over the panel text */
.float-chip.fc1{top:0;left:2%;}
.float-chip.fc1 .ico{background:var(--g-purple);}
.float-chip.fc4{top:6px;right:2%;animation-delay:.8s;}
.float-chip.fc4 .ico{background:linear-gradient(135deg,#9647db,#c23fb0);}
.float-chip.fc3{bottom:6px;left:2%;animation-delay:2.4s;}
.float-chip.fc3 .ico{background:linear-gradient(135deg,#1f9d76,#12a58e);}
.float-chip.fc2{bottom:0;right:2%;animation-delay:1.6s;}
.float-chip.fc2 .ico{background:linear-gradient(135deg,#1b3d8c,#2b5cc4);}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;line-height:0;z-index:1;}
.hero-wave svg{width:100%;height:clamp(48px,6vw,90px);}

/* ---------- Hero visual: AI workspace mock ---------- */
.ai-panel{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  box-shadow:0 40px 90px rgba(0,0,0,.42);
  backdrop-filter:blur(8px);
  overflow:hidden;
}
.ai-panel-top{
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
}
.ai-dots{display:flex;gap:6px;}
.ai-dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.28);}
.ai-dots i:first-child{background:rgba(220,228,0,.75);}
.ai-panel-name{font-size:var(--fs-xs);font-weight:var(--fw-m);color:rgba(255,255,255,.82);letter-spacing:.3px;}
.ai-live{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:var(--fw-m);color:var(--c-lime);
  padding:4px 10px;border-radius:var(--radius-pill);background:rgba(220,228,0,.12);
}
.ai-live i{width:6px;height:6px;border-radius:50%;background:var(--c-lime);animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.7);}}

.ai-panel-body{padding:clamp(18px,2.2vw,24px);display:grid;gap:clamp(16px,2vw,20px);}

.ai-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:8px;}
.ai-node{
  display:grid;justify-items:center;gap:9px;text-align:center;
  padding:14px 8px;border-radius:16px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  font-size:11px;font-weight:var(--fw-m);line-height:1.35;color:rgba(255,255,255,.86);
}
.ai-node svg{width:24px;height:24px;color:rgba(255,255,255,.85);}
.ai-node.core{
  background:var(--g-purple);border-color:transparent;
  box-shadow:0 14px 34px rgba(109,59,212,.5);color:#fff;
}
.ai-node.core svg{color:#fff;}
.ai-wire{
  height:2px;width:100%;min-width:14px;border-radius:2px;
  background:linear-gradient(90deg,rgba(220,228,0,.15),rgba(220,228,0,.85),rgba(220,228,0,.15));
  background-size:200% 100%;animation:wire 2.6s linear infinite;
}
@keyframes wire{0%{background-position:120% 0;}100%{background-position:-20% 0;}}

.ai-chat{display:grid;gap:10px;}
.ai-bubble{border-radius:14px;padding:11px 14px;font-size:var(--fs-xs);line-height:1.5;}
.ai-bubble.user{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.9);justify-self:end;max-width:88%;
}
.ai-bubble.bot{
  display:flex;align-items:center;gap:11px;
  background:rgba(11,27,43,.28);border:1px solid rgba(255,255,255,.1);
  justify-self:start;width:88%;
}
.ai-avatar{
  width:28px;height:28px;border-radius:9px;flex-shrink:0;
  display:grid;place-items:center;background:var(--g-purple);
  font-size:10px;font-weight:var(--fw-b);color:#fff;letter-spacing:.5px;
}
.ai-lines{display:grid;gap:6px;flex:1;}
.ai-lines i{height:6px;border-radius:3px;background:rgba(255,255,255,.34);animation:type 2.4s ease-in-out infinite;}
.ai-lines i:nth-child(2){animation-delay:.25s;}
.ai-lines i:nth-child(3){animation-delay:.5s;background:rgba(220,228,0,.5);}
@keyframes type{0%,100%{opacity:.35;}50%{opacity:1;}}

.ai-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  padding-top:clamp(14px,1.8vw,18px);border-top:1px solid rgba(255,255,255,.12);
}
.ai-metrics div{text-align:center;}
.ai-metrics b{display:block;font-size:clamp(17px,1.7vw,21px);font-weight:var(--fw-b);color:var(--c-lime);line-height:1.1;}
.ai-metrics span{display:block;margin-top:4px;font-size:11px;font-weight:var(--fw-l);color:rgba(255,255,255,.72);line-height:1.35;}

/* ---------- Stats strip ---------- */
.stats{margin-top:calc(var(--section-pad) * -.5);position:relative;z-index:5;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,28px);
  background:#fff;border-radius:var(--radius-lg);padding:clamp(28px,4vw,44px);
  box-shadow:var(--shadow-lg);
}
.stat{text-align:center;position:relative;}
.stat + .stat::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);height:56px;width:1px;background:var(--c-line);}
.stat-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(94,87,234,.14),rgba(150,71,219,.14));
  color:var(--c-purple);margin:0 auto 12px;
}
.stat-ico svg{width:20px;height:20px;}
.stat-num{font-size:clamp(30px,3.4vw,44px);font-weight:var(--fw-b);color:var(--c-blue);line-height:1;letter-spacing:-1px;}
.stat-num .suf{color:var(--c-purple);}
.stat-label{margin-top:10px;font-size:var(--fs-sm);font-weight:var(--fw-l);color:var(--c-ink-soft);}

/* =========================================================================
   Cách chúng tôi làm việc (#about)
   ========================================================================= */
.approach-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:clamp(36px,5vw,68px);align-items:start;}
.approach-lead{margin-top:18px;font-size:var(--fs-lead);font-weight:var(--fw-l);color:var(--c-ink-soft);}
.approach-copy .section-title{text-align:left;}

.approach-quote{
  position:relative;margin-top:26px;padding:22px 24px 22px 26px;
  background:linear-gradient(135deg,rgba(94,87,234,.07),rgba(150,71,219,.07));
  border-left:4px solid var(--c-purple);border-radius:0 var(--radius) var(--radius) 0;
}
.approach-quote p{font-size:var(--fs-body);font-weight:var(--fw-m);font-style:italic;color:#31414f;line-height:1.7;}
.approach-quote cite{display:block;margin-top:10px;font-size:var(--fs-xs);font-style:normal;font-weight:var(--fw-sb);color:var(--c-purple);}

.approach-media{margin-top:28px;}
.approach-media img{width:100%;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow);}
.approach-media figcaption{margin-top:12px;font-size:var(--fs-xs);font-weight:var(--fw-l);color:var(--c-ink-soft);line-height:1.55;}

.approach-list{display:grid;gap:clamp(14px,1.8vw,18px);}
.approach-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:clamp(22px,2.6vw,28px);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.approach-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.approach-ico{
  width:52px;height:52px;border-radius:15px;flex-shrink:0;
  display:grid;place-items:center;color:#fff;
}
.approach-ico svg{width:25px;height:25px;}
.approach-ico.a1{background:linear-gradient(135deg,#1b3d8c,#2b5cc4);}
.approach-ico.a2{background:linear-gradient(135deg,#5e57ea,#8a6cf0);}
.approach-ico.a3{background:linear-gradient(135deg,#e0457b,#c23fb0);}
.approach-ico.a4{background:linear-gradient(135deg,#9647db,#6d3bd4);}
.approach-item h3{font-size:var(--fs-h3);font-weight:var(--fw-b);color:var(--c-blue);line-height:1.3;margin-bottom:8px;}
.approach-item p{font-size:var(--fs-sm);font-weight:var(--fw-l);color:var(--c-ink-soft);}

/* =========================================================================
   Lĩnh vực hoạt động (#pillars)
   ========================================================================= */
.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,2.4vw,28px);}
.field-card{
  position:relative;isolation:isolate;overflow:hidden;
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:clamp(26px,3.2vw,38px);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
/* animated aura per field — the "sinh động" cue */
.field-card::before{
  content:"";position:absolute;z-index:-1;
  width:280px;height:280px;border-radius:50%;filter:blur(70px);
  top:-120px;right:-90px;opacity:.5;
  transition:opacity var(--t),transform var(--t);
}
.field-card.f1::before{background:rgba(43,92,196,.5);}
.field-card.f2::before{background:rgba(94,87,234,.5);}
.field-card.f3::before{background:rgba(224,69,123,.42);}
.field-card.f4::before{background:rgba(150,71,219,.5);}
.field-card::after{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:var(--g-purple);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.field-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.field-card:hover::after{transform:scaleX(1);}
.field-card:hover::before{opacity:.85;transform:scale(1.15);}

.field-num{
  position:absolute;top:clamp(18px,2.4vw,26px);right:clamp(20px,2.6vw,30px);
  font-size:clamp(34px,4vw,52px);font-weight:var(--fw-b);line-height:1;
  color:rgba(150,71,219,.12);letter-spacing:-2px;pointer-events:none;
}
.field-ico{
  width:60px;height:60px;border-radius:17px;display:grid;place-items:center;
  color:#fff;margin-bottom:20px;flex-shrink:0;
  transition:transform var(--t);
}
.field-ico svg{width:29px;height:29px;}
.field-card.f1 .field-ico{background:linear-gradient(135deg,#1b3d8c,#2b5cc4);box-shadow:0 14px 30px rgba(27,61,140,.32);}
.field-card.f2 .field-ico{background:linear-gradient(135deg,#5e57ea,#8a6cf0);box-shadow:0 14px 30px rgba(94,87,234,.34);}
.field-card.f3 .field-ico{background:linear-gradient(135deg,#e0457b,#c23fb0);box-shadow:0 14px 30px rgba(224,69,123,.32);}
.field-card.f4 .field-ico{background:linear-gradient(135deg,#9647db,#6d3bd4);box-shadow:0 14px 30px rgba(150,71,219,.34);}
.field-card:hover .field-ico{transform:translateY(-3px) rotate(-4deg) scale(1.05);}

.field-card h3{font-size:clamp(20px,1.7vw,25px);font-weight:var(--fw-b);color:var(--c-blue);line-height:1.25;margin-bottom:12px;padding-right:56px;}
.field-card p{font-size:var(--fs-sm);font-weight:var(--fw-l);color:var(--c-ink-soft);}
.field-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.field-tags span{
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(94,87,234,.08);color:var(--c-violet);
  font-size:var(--fs-xs);font-weight:var(--fw-m);
}
.field-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:22px;
  font-size:var(--fs-sm);font-weight:var(--fw-sb);color:var(--c-purple);
  transition:gap var(--t);align-self:flex-start;
}
.field-link svg{width:15px;height:15px;}
.field-link:hover{gap:13px;}

/* =========================================================================
   Ứng dụng AI (#ai) — dark band
   ========================================================================= */
.ai-band{
  position:relative;isolation:isolate;overflow:hidden;
  background:linear-gradient(135deg,#131a3a 0%,#2a1668 48%,#4a2aa0 100%);
  color:#fff;padding-block:var(--section-pad);
}
.ai-band-net{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;opacity:.55;mix-blend-mode:screen;}
.ai-band > .container{position:relative;z-index:1;}

.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.2vw,26px);}
.ai-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-lg);padding:clamp(24px,3vw,32px);
  transition:transform var(--t),background var(--t),border-color var(--t),box-shadow var(--t);
}
.ai-card:hover{
  transform:translateY(-6px);background:rgba(255,255,255,.1);
  border-color:rgba(220,228,0,.42);box-shadow:0 22px 50px rgba(0,0,0,.34);
}
.ai-card .ico{
  width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(220,228,0,.16),rgba(150,71,219,.3));
  border:1px solid rgba(255,255,255,.14);color:var(--c-lime);margin-bottom:18px;
}
.ai-card .ico svg{width:26px;height:26px;}
.ai-card h3{font-size:var(--fs-h3);font-weight:var(--fw-sb);color:#fff;line-height:1.3;margin-bottom:11px;}
.ai-card p{font-size:var(--fs-sm);font-weight:var(--fw-l);color:rgba(255,255,255,.78);}

.ai-foot{
  margin-top:clamp(34px,4vw,48px);
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  padding:clamp(22px,2.8vw,30px) clamp(24px,3vw,36px);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
}
.ai-foot p{font-size:var(--fs-body);font-weight:var(--fw-l);color:rgba(255,255,255,.88);max-width:620px;}

/* =========================================================================
   Quy trình đồng hành (#process)
   ========================================================================= */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.4vw,28px);}
.step{
  position:relative;text-align:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:clamp(26px,3vw,34px) clamp(20px,2.4vw,26px);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;}
/* connector line between steps */
.step + .step::before{
  content:"";position:absolute;top:clamp(48px,5.4vw,60px);left:calc(-1 * clamp(20px,2.4vw,28px));
  width:clamp(20px,2.4vw,28px);height:2px;
  background:repeating-linear-gradient(90deg,rgba(150,71,219,.45) 0 6px,transparent 6px 12px);
}
.step-num{
  width:54px;height:54px;border-radius:50%;margin:0 auto 18px;
  display:grid;place-items:center;background:var(--g-purple);color:#fff;
  font-size:20px;font-weight:var(--fw-b);box-shadow:var(--shadow-purple);
}
.step h3{font-size:var(--fs-h3);font-weight:var(--fw-b);color:var(--c-blue);line-height:1.3;margin-bottom:11px;}
.step p{font-size:var(--fs-sm);font-weight:var(--fw-l);color:var(--c-ink-soft);}

/* =========================================================================
   Tin tức & góc nhìn (#insights)
   ========================================================================= */
.ins-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(24px,3vw,36px);align-items:start;}

.ins-feature{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.ins-feature:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;}
.ins-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface);}
.ins-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1);}
.ins-feature:hover .ins-thumb img{transform:scale(1.05);}
.ins-feature .body{padding:clamp(24px,3vw,32px);}
.ins-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:var(--fs-xs);font-weight:var(--fw-m);color:var(--c-ink-soft);}
.ins-feature h3{margin:12px 0;font-size:clamp(20px,1.9vw,26px);font-weight:var(--fw-b);color:var(--c-blue);line-height:1.3;}
.ins-feature p{font-size:var(--fs-sm);font-weight:var(--fw-l);color:var(--c-ink-soft);}
.ins-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:var(--fs-sm);font-weight:var(--fw-sb);color:var(--c-purple);transition:gap var(--t);
}
.ins-more svg{width:15px;height:15px;}
.ins-feature:hover .ins-more{gap:13px;}

.ins-tag{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11px;font-weight:var(--fw-sb);letter-spacing:.6px;text-transform:uppercase;color:#fff;
}
.ins-thumb .ins-tag{position:absolute;top:14px;left:14px;box-shadow:0 8px 20px rgba(0,0,0,.28);}
.ins-tag.ai{background:linear-gradient(135deg,#9647db,#6d3bd4);}
.ins-tag.chain{background:linear-gradient(135deg,#1b3d8c,#2b5cc4);}
.ins-tag.dx{background:linear-gradient(135deg,#e0457b,#c23fb0);}
.ins-tag.infra{background:linear-gradient(135deg,#0f8b7a,#12a58e);}

.ins-list{display:grid;gap:clamp(12px,1.6vw,16px);}
.ins-item{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:14px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.ins-item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:rgba(150,71,219,.35);}
.ins-item img{width:104px;height:78px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.ins-item h3{margin-top:8px;font-size:var(--fs-body);font-weight:var(--fw-sb);color:var(--c-blue);line-height:1.4;}
.ins-item .ins-meta{margin-top:6px;}

.ins-note{
  display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;
  padding:18px 20px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(94,87,234,.08),rgba(150,71,219,.08));
  border:1px dashed rgba(150,71,219,.4);
}
.ins-note svg{width:24px;height:24px;color:var(--c-purple);flex-shrink:0;}
.ins-note p{font-size:var(--fs-xs);font-weight:var(--fw-l);color:var(--c-ink-soft);line-height:1.6;}

/* ---------- Testimonials ---------- */
.testi{max-width:900px;margin-inline:auto;}
.testi-card{
  position:relative;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:clamp(32px,4vw,52px);box-shadow:var(--shadow-sm);text-align:center;
}
.testi-quote-mark{position:absolute;top:clamp(20px,3vw,32px);left:clamp(24px,3.4vw,40px);color:var(--c-purple);opacity:.12;pointer-events:none;}
.testi-quote-mark svg{width:clamp(44px,6vw,68px);height:auto;}
.testi-slide{min-height:clamp(220px,26vw,240px);display:flex;flex-direction:column;justify-content:center;}
.testi-slide[hidden]{display:none;}
.testi-stars{color:var(--c-lime);font-size:20px;letter-spacing:4px;margin-bottom:22px;}
.testi-quote{font-size:var(--fs-lead);font-weight:var(--fw-l);color:#31414f;line-height:1.75;font-style:italic;}
.testi-author{margin-top:26px;display:flex;align-items:center;justify-content:center;gap:14px;}
.testi-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0;box-shadow:var(--shadow-sm);}
.testi-avatar.initials{display:grid;place-items:center;background:var(--g-purple);color:#fff;font-size:16px;font-weight:var(--fw-b);}
.testi-who{text-align:left;line-height:1.4;}
.testi-who strong{display:block;color:var(--c-blue);font-weight:var(--fw-sb);font-size:var(--fs-body);}
.testi-who span{font-size:var(--fs-sm);color:var(--c-ink-soft);}
.testi-nav{display:flex;justify-content:center;gap:10px;margin-top:30px;}
.testi-nav button{width:11px;height:11px;border-radius:50%;background:#cdd6e2;transition:width var(--t),background var(--t);}
.testi-nav button[aria-current="true"]{width:30px;border-radius:6px;background:var(--c-purple);}

/* ---------- CTA band ---------- */
.cta{position:relative;isolation:isolate;overflow:hidden;background:var(--g-footer);color:#fff;}
.cta-inner{text-align:center;padding-block:clamp(56px,7vw,90px);position:relative;z-index:1;}
.cta-glow{position:absolute;width:500px;height:500px;border-radius:50%;filter:blur(100px);background:rgba(150,71,219,.5);top:-200px;left:50%;transform:translateX(-50%);z-index:-1;}
.cta h2{font-size:var(--fs-h2);font-weight:var(--fw-b);line-height:1.15;letter-spacing:-.5px;max-width:820px;margin:0 auto;}
.cta p{margin-top:16px;font-size:var(--fs-lead);font-weight:var(--fw-l);color:rgba(255,255,255,.85);max-width:640px;margin-inline:auto;}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width:1180px){
  .ai-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-copy{text-align:center;}
  .hero-title{max-width:22ch;margin-inline:auto;}
  .hero-desc{margin-inline:auto;}
  .hero-actions,.hero-pillars{justify-content:center;}
  .hero-visual{max-width:560px;margin-inline:auto;width:100%;}
  .float-chip.fc1{left:0;}
  .float-chip.fc2{right:0;}
  .float-chip.fc3{left:0;}
  .float-chip.fc4{right:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .stat:nth-child(3)::before{display:none;}
  .approach-grid{grid-template-columns:1fr;}
  .approach-copy .section-title,.approach-copy{text-align:center;}
  .approach-copy .approach-quote{text-align:left;}
  .approach-media{max-width:620px;margin-inline:auto;}
  .approach-item{text-align:left;}
  .ins-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .step + .step::before{display:none;}
}
@media (max-width:760px){
  .field-grid{grid-template-columns:1fr;}
  .ai-grid{grid-template-columns:1fr;}
  .ai-foot{flex-direction:column;text-align:center;}
  .ai-foot p{max-width:none;}
  .ai-flow{grid-template-columns:1fr;gap:10px;justify-items:stretch;}
  .ai-wire{width:2px;height:16px;justify-self:center;
    background:linear-gradient(180deg,rgba(220,228,0,.15),rgba(220,228,0,.85),rgba(220,228,0,.15));
    animation:none;}
  .hero-visual .float-chip{display:none;}
}
@media (max-width:640px){
  .stats-grid{grid-template-columns:1fr;gap:22px;}
  .stat + .stat::before{display:none;}
  .stat + .stat{border-top:1px solid var(--c-line);padding-top:22px;}
  .process-grid{grid-template-columns:1fr;}
  .approach-item{grid-template-columns:1fr;gap:14px;}
  .approach-ico{margin-inline:auto;}
  .approach-item{text-align:center;}
  .field-card h3{padding-right:0;}
  .field-num{opacity:.7;}
  .ins-item{grid-template-columns:1fr;}
  .ins-item img{width:100%;height:150px;}
  .ai-metrics{grid-template-columns:1fr;gap:14px;}
  .ai-bubble.user,.ai-bubble.bot{width:100%;max-width:none;}
}