/* ============================================================
   THẾ GIỚI SKILL — Design System "Precision AI Lab"
   ============================================================ */

:root{
  --bg: #060A11;
  --bg-2: #0D1420;
  --surface: #101C2C;
  --surface-hover: #172437;
  --border: #233247;
  --text: #F6F8FC;
  --text-2: #A7B2C2;
  --muted: #738196;
  --cyan: #35D7FF;
  --mint: #45E0B7;
  --cta: #FF6846;
  --cta-hover: #FF815F;
  --light-bg: #F5F7FA;
  --light-text: #101828;

  --font-head: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --container: 1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.2;
  margin:0;
  text-wrap:balance;
  color:var(--text);
  letter-spacing:-.01em;
}
p{margin:0;}
a{color:inherit;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
table{border-collapse:collapse;width:100%;}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}

.wrap{max-width:var(--container);margin-inline:auto;padding-inline:24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--cta);color:#20090100;padding:10px 16px;border-radius:8px;
  font-weight:700;transition:top .18s ease;color:#1A0800;
}
.skip-link:focus{top:16px;}

/* ---------- Section shell ---------- */
section{padding-block:76px;}
.section--light{background:var(--light-bg);color:var(--light-text);}
.section--light h1,.section--light h2,.section--light h3,.section--light h4{color:var(--light-text);}
.section--light p{color:#475467;}
.section--light .kicker{color:#B34324;}

.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-inline:auto;text-align:center;}
.kicker{
  display:inline-block;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.7rem,1.4rem+1.4vw,2.5rem);}
.section-head .lede{color:var(--text-2);margin-top:14px;font-size:1.05rem;max-width:65ch;}
.section--light .section-head .lede{color:#475467;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:700;font-size:.92rem;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn:active{transform:translateY(1px);}
.btn--cta{
  background:linear-gradient(135deg, var(--cta-hover), var(--cta));
  color:#1F0800;
  box-shadow:0 10px 26px -10px rgba(255,107,69,.65);
}
.btn--cta:hover{box-shadow:0 12px 30px -8px rgba(255,107,69,.8);}
.btn--outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn--outline:hover{border-color:var(--text-2);}
.section--light .btn--outline{border-color:#D0D5DD;color:var(--light-text);}
.section--light .btn--outline:hover{border-color:#98A2B3;}
.btn--sm{padding:9px 18px;font-size:.85rem;}
.btn--block{width:100%;}

/* ---------- Header ---------- */
.announce{
  background:linear-gradient(90deg, rgba(53,215,255,.12), rgba(69,224,183,.10));
  border-bottom:1px solid var(--border);
}
.announce p{padding:9px 24px;text-align:center;font-size:.83rem;color:var(--text-2);}
.announce strong{color:var(--text);}

header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding-block:14px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(150deg, var(--cyan), #1786A8);
  display:grid;place-items:center;color:#04141A;
  box-shadow:0 4px 18px -4px rgba(53,215,255,.5);
}
.brand__mark svg{width:19px;height:19px;}
.brand__word{font-family:var(--font-head);font-weight:800;font-size:1.05rem;letter-spacing:-.01em;line-height:1.1;}
.brand__tag{display:block;font-family:var(--font-mono);font-size:.63rem;letter-spacing:.06em;color:var(--muted);text-transform:lowercase;}
.nav__links{display:flex;align-items:center;gap:26px;}
.nav__links a{font-size:.9rem;font-weight:600;color:var(--text-2);text-decoration:none;transition:color .15s ease;}
.nav__links a:hover{color:var(--text);}
.nav__actions{display:flex;align-items:center;gap:10px;}
.nav__toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.nav__toggle svg{width:18px;height:18px;}
.nav__mobile{display:none;flex-direction:column;gap:2px;border-top:1px solid var(--border);background:var(--bg);padding:8px 24px 18px;}
.nav__mobile a{padding:12px 4px;font-weight:600;color:var(--text);text-decoration:none;border-bottom:1px solid var(--border);}
.nav__mobile .btn{margin-top:12px;}
header.is-open .nav__mobile{display:flex;}
@media (max-width:900px){
  .nav__links{display:none;}
  .nav__actions .btn--outline{display:none;}
  .nav__toggle{display:inline-flex;}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:72px 64px;border-bottom:1px solid var(--border);}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 82% -10%, rgba(53,215,255,.18), transparent 60%),
    radial-gradient(520px 360px at 2% 10%, rgba(69,224,183,.12), transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(640px 440px at 60% 0%, black, transparent 75%);
}
.hero__inner{position:relative;z-index:1;max-width:860px;margin-inline:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);background:rgba(53,215,255,.12);border:1px solid rgba(53,215,255,.32);
  padding:7px 14px;border-radius:999px;
}
.hero h1{margin-top:22px;font-size:clamp(1.9rem,1.4rem+2.6vw,3.1rem);}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg, var(--cyan), var(--mint));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{margin-top:20px;font-size:1.08rem;color:var(--text-2);max-width:640px;margin-inline:auto;}
.hero p.emph{margin-top:18px;font-size:1.12rem;font-weight:600;color:var(--text);max-width:640px;margin-inline:auto;}
.hero__ctas{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:30px;flex-wrap:wrap;}
.hero__micro{margin-top:16px;font-family:var(--font-mono);font-size:.78rem;color:var(--muted);}

/* ---------- Hero 2 cột ---------- */
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;text-align:left;}
.hero__content .hero__ctas{justify-content:flex-start;}
.hero__content .hero__micro,
.hero__content p.lead{margin-inline:0;max-width:52ch;}
.hero__content h1{margin-top:18px;font-size:clamp(1.9rem,1.5rem+2vw,2.85rem);}

.hero__visual-panel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  aspect-ratio:4/5;background:var(--bg-2);
}
.hero__visual-panel > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero__visual-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(195deg, rgba(6,10,17,.2), rgba(6,10,17,.82));
}
.hero__pipeline{
  position:relative;z-index:1;display:flex;flex-direction:column;align-items:stretch;
  height:100%;justify-content:center;gap:0;padding:32px;
}
.pipeline-step{
  display:flex;align-items:center;gap:14px;
  background:rgba(16,28,44,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:13px 18px;
}
.pipeline-step .n{
  flex:none;width:26px;height:26px;border-radius:50%;background:rgba(53,215,255,.16);color:var(--cyan);
  font-family:var(--font-mono);font-size:.7rem;font-weight:700;display:grid;place-items:center;
}
.pipeline-step .t{font-weight:600;font-size:.95rem;color:var(--text);}
.pipeline-step.highlight{border-color:rgba(69,224,183,.5);background:rgba(69,224,183,.18);}
.pipeline-step.highlight .n{background:var(--mint);color:#04140F;}
.pipeline-arrow{align-self:center;color:var(--text-2);font-size:1.05rem;padding:4px 0;}

@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__visual-panel{aspect-ratio:16/10;}
}

.hero__visual{
  margin-top:44px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  aspect-ratio:16/9;background:var(--bg-2);max-width:960px;margin-inline:auto;
}
.hero__visual img{width:100%;height:100%;object-fit:cover;display:block;}

.section-visual{
  margin-top:32px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  aspect-ratio:16/9;max-width:820px;margin-inline:auto;background:var(--bg-2);
}
.section-visual img{width:100%;height:100%;object-fit:cover;display:block;}

.hero__compare{margin-top:52px;display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;text-align:left;}
.hero__compare .arrow{color:var(--muted);font-size:1.4rem;text-align:center;}
.compare-flow{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;
}
.compare-flow .label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;display:block;}
.compare-flow .flow{font-size:.88rem;color:var(--text-2);line-height:1.7;}
.compare-flow.with .flow{color:var(--mint);}
@media (max-width:760px){
  .hero__compare{grid-template-columns:1fr;}
  .hero__compare .arrow{transform:rotate(90deg);}
}

/* ---------- Pain cards ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.pain-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;display:flex;gap:14px;align-items:flex-start;
}
.pain-card__num{font-family:var(--font-mono);color:var(--cta);font-weight:700;font-size:.95rem;flex:none;}
.pain-card p{font-size:.92rem;color:var(--text-2);line-height:1.6;}
.callout{
  margin-top:34px;background:linear-gradient(120deg, rgba(255,107,69,.1), rgba(53,215,255,.08));
  border:1px solid var(--border);border-radius:var(--radius-md);padding:22px 26px;font-size:1.02rem;font-weight:600;
}
@media (max-width:900px){.pain-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.pain-grid{grid-template-columns:1fr;}}

/* ---------- Definition / flow diagram ---------- */
.quote-block{
  margin-top:20px;border-left:3px solid var(--mint);padding:16px 22px;background:var(--surface);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:1rem;
}
.flow-diagram{
  margin-top:36px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:.82rem;
}
.flow-diagram .step{
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:10px 18px;color:var(--text);
  font-weight:600;
}
.flow-diagram .sep{color:var(--muted);}
.section--light .flow-diagram .step{background:#fff;border-color:#D0D5DD;color:var(--light-text);}
.section--light .flow-diagram .sep{color:#98A2B3;}

/* ---------- Job cards (chọn theo công việc) ---------- */
.job-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.job-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;
  transition:border-color .15s ease, transform .15s ease;
}
.job-card:hover{border-color:var(--cyan);transform:translateY(-3px);}
.job-card__thumb{aspect-ratio:16/9;background:var(--bg-2);}
.job-card__thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.job-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.job-card h3{font-size:1.08rem;}
.job-card p{font-size:.88rem;color:var(--text-2);flex:1;}
.job-card .go{font-family:var(--font-mono);font-size:.8rem;color:var(--cyan);font-weight:700;}
@media (max-width:900px){.job-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.job-grid{grid-template-columns:1fr;}}

/* ---------- Demo walkthroughs ---------- */
.demo-list{display:flex;flex-direction:column;gap:22px;}
.demo-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;
}
.demo-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:14px;align-items:stretch;margin-top:18px;}
.demo-flow__arrow{align-self:center;text-align:center;color:var(--muted);font-size:1.2rem;}
.compare-flow.pending{border-style:dashed;}
.compare-flow.pending .flow{color:var(--muted);font-style:italic;}
@media (max-width:1000px){
  .demo-flow{grid-template-columns:1fr;}
  .demo-flow__arrow{transform:rotate(90deg);}
}
.demo-card__meta{display:flex;flex-direction:column;gap:14px;}
.demo-card__meta .tag{font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mint);}
.demo-card__meta h3{font-size:1.15rem;}
.demo-card__row{font-size:.88rem;color:var(--text-2);}
.demo-card__row b{color:var(--text);font-weight:600;}
.demo-steps{display:flex;flex-direction:column;gap:0;counter-reset:step;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;}
.demo-steps li{
  list-style:none;counter-increment:step;position:relative;padding:10px 0 10px 30px;font-size:.86rem;color:var(--text-2);
  border-bottom:1px dashed var(--border);
}
.demo-steps li:last-child{border-bottom:none;}
.demo-steps li::before{
  content:counter(step);position:absolute;left:0;top:10px;width:20px;height:20px;border-radius:50%;
  background:rgba(53,215,255,.14);color:var(--cyan);font-family:var(--font-mono);font-size:.68rem;font-weight:700;
  display:grid;place-items:center;
}
@media (max-width:800px){.demo-card{grid-template-columns:1fr;}}

/* ---------- Featured skill cards ---------- */
.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.skill-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .15s ease, transform .15s ease;
}
.skill-card:hover{border-color:var(--cyan);transform:translateY(-3px);}
.skill-card__link{display:flex;flex-direction:column;flex:1;text-decoration:none;color:inherit;}
.skill-card__art{
  position:relative;height:150px;background:linear-gradient(160deg, var(--surface-hover), var(--bg-2));
  overflow:hidden;
}
.skill-card__art::before{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(120% 130% at 18% -10%, var(--glow, rgba(53,215,255,.14)), transparent 62%);pointer-events:none;}
.skill-card:nth-child(even) .skill-card__art{--glow:rgba(69,224,183,.14);}
.skill-card__art img{width:100%;height:100%;object-fit:cover;display:block;}
.skill-card__icon{position:relative;z-index:1;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:grid;place-items:center;}
.skill-card__icon svg{width:21px;height:21px;}
.skill-card__tag{position:absolute;top:12px;left:12px;z-index:2;font-family:var(--font-mono);font-size:.63rem;color:var(--text-2);background:rgba(0,0,0,.45);border:1px solid var(--border);padding:3px 8px;border-radius:999px;}
.skill-card__price{position:absolute;top:12px;right:12px;z-index:2;font-family:var(--font-mono);font-weight:700;font-size:.74rem;background:var(--cta);color:#1F0800;padding:3px 9px;border-radius:999px;}
.skill-card__body{padding:16px 18px 4px;display:flex;flex-direction:column;gap:8px;}
.skill-card__cat{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.04em;text-transform:uppercase;color:var(--cyan);}
.skill-card__body h3{font-size:1rem;}
.skill-card__body p{font-size:.85rem;color:var(--text-2);line-height:1.55;}
.skill-card__meta{display:flex;gap:8px;flex-wrap:wrap;font-family:var(--font-mono);font-size:.68rem;color:var(--muted);}
.skill-card__meta span{border:1px solid var(--border);border-radius:999px;padding:2px 8px;}
.skill-card__specs{display:flex;flex-direction:column;gap:5px;margin-top:2px;}
.skill-card__specs div{display:flex;gap:6px;font-size:.78rem;line-height:1.5;}
.skill-card__specs dt{flex:none;width:60px;color:var(--muted);font-weight:600;}
.skill-card__specs dd{margin:0;color:var(--text-2);}
.skill-card__ctas{display:flex;gap:8px;padding:14px 18px 18px;}
.skill-card__ctas .btn{flex:1;padding:9px 12px;font-size:.8rem;}
@media (max-width:900px){.skill-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.skill-grid{grid-template-columns:1fr;}}

/* ---------- Comparison table ---------- */
.compare-table{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;}
.compare-table table{font-size:.92rem;}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);}
.compare-table th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);background:var(--surface);}
.compare-table td:first-child{color:var(--text-2);}
.compare-table td:last-child{color:var(--mint);font-weight:600;}
.compare-table tr:last-child td{border-bottom:none;}
.compare-table td,.compare-table th{border-right:1px solid var(--border);}
.compare-table td:last-child,.compare-table th:last-child{border-right:none;}
.overflow-x{overflow-x:auto;}

/* ---------- Value list ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 28px;}
.value-grid li{display:flex;gap:10px;font-size:.94rem;color:var(--text-2);align-items:flex-start;}
.value-grid li svg{flex:none;width:18px;height:18px;color:var(--mint);margin-top:2px;}
.section--light .value-grid li{color:#344054;}
.section--light .value-grid li svg{color:#1E9E7C;}
@media (max-width:700px){.value-grid{grid-template-columns:1fr;}}

/* ---------- Pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch;}
.price-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px 24px;display:flex;flex-direction:column;gap:16px;}
.price-card--popular{border-color:rgba(255,107,69,.55);box-shadow:0 0 0 1px rgba(255,107,69,.2), 0 20px 44px -20px rgba(255,107,69,.4);}
.price-card--dark{background:linear-gradient(165deg, #0A1B22, var(--surface) 55%);border-color:rgba(53,215,255,.32);position:relative;overflow:hidden;}
.price-card--dark::before{content:"";position:absolute;inset:0;background:radial-gradient(220px 160px at 90% -10%, rgba(53,215,255,.3), transparent 70%);}
.price-card > *{position:relative;z-index:1;}
.price-card__label{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);}
.price-card--popular .price-card__label{color:var(--cta-hover);}
.price-card h3{font-size:1.05rem;}
.price-card__cost{font-family:var(--font-mono);font-size:1.7rem;font-weight:700;font-variant-numeric:tabular-nums;}
.price-card__audience{font-size:.84rem;color:var(--text-2);flex:1;}
.section--light .price-card__audience{color:#475467;}
.price-card .btn{margin-top:auto;}
@media (max-width:1000px){.pricing-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.pricing-grid{grid-template-columns:1fr;}}

/* ---------- Founder ---------- */
.founder-card{
  display:flex;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px;
}
.founder-card__avatar{
  flex:none;width:88px;height:88px;border-radius:50%;
  background:linear-gradient(150deg, var(--cyan), var(--mint));
  display:grid;place-items:center;color:#04141A;font-family:var(--font-head);font-weight:800;font-size:1.6rem;
  overflow:hidden;
}
.founder-card__avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}

/* ---------- Hero founder badge ---------- */
.hero__founder-badge{
  display:inline-flex;align-items:center;gap:10px;margin-top:24px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  padding:6px 16px 6px 6px;
}
.hero__founder-badge img{width:36px;height:36px;border-radius:50%;object-fit:cover;flex:none;}
.hero__founder-badge .t{text-align:left;line-height:1.3;}
.hero__founder-badge .t b{display:block;font-size:.82rem;color:var(--text);}
.hero__founder-badge .t span{display:block;font-family:var(--font-mono);font-size:.68rem;color:var(--muted);}
.founder-card__body p{color:var(--text-2);margin-top:10px;font-size:.95rem;}
.founder-card .quote-block{margin-top:16px;}
@media (max-width:640px){.founder-card{flex-direction:column;text-align:center;}}

/* ---------- Guarantee ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.guarantee-grid li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;font-size:.9rem;color:var(--text-2);}
@media (max-width:700px){.guarantee-grid{grid-template-columns:1fr;}}

/* ---------- CTA band ---------- */
.cta-band{border-top:1px solid var(--border);background:linear-gradient(120deg, rgba(255,107,69,.12), rgba(53,215,255,.08));}
.cta-band__inner{text-align:center;max-width:680px;margin-inline:auto;display:flex;flex-direction:column;align-items:center;gap:18px;}
.cta-band h2{font-size:clamp(1.5rem,1.3rem+1vw,2.1rem);}
.cta-band p{color:var(--text-2);}

/* ---------- Consultation / checkout modal ---------- */
.modal-overlay{position:fixed;inset:0;z-index:300;background:rgba(4,6,10,.72);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-overlay[hidden]{display:none;}
.modal{width:100%;max-width:460px;max-height:90vh;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;position:relative;}
.modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-2);cursor:pointer;display:grid;place-items:center;font-size:1.1rem;line-height:1;}
.modal-close:hover{color:var(--text);border-color:var(--text-2);}
.modal h3{font-size:1.15rem;margin-bottom:4px;}
.modal .sub{color:var(--text-2);font-size:.85rem;margin-bottom:18px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:.82rem;color:var(--text-2);}
.field input,.field select,.field textarea{
  background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;color:var(--text);
  font-family:var(--font-body);font-size:.92rem;width:100%;
}
.field textarea{resize:vertical;min-height:72px;}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:2px solid var(--cyan);outline-offset:1px;}
.form-error{color:var(--cta);font-size:.82rem;min-height:1.2em;}
.qr-view{text-align:center;}
.qr-view img{width:220px;height:220px;margin:0 auto 14px;border-radius:12px;background:#fff;padding:8px;}
.qr-view .code{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--cyan);letter-spacing:.05em;margin-bottom:6px;}
.qr-view .amount{font-family:var(--font-mono);font-size:1.02rem;font-weight:700;margin-bottom:14px;}
.qr-view .note{font-size:.82rem;color:var(--text-2);text-align:left;background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:14px;}
.modal-status{font-size:.85rem;text-align:center;margin-top:10px;}
.modal-status.ok{color:var(--mint);font-weight:700;}
.result-box{background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:16px;font-size:.88rem;color:var(--text-2);white-space:pre-wrap;margin-top:6px;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);padding-block:48px 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px;padding-bottom:32px;}
.footer-brand p{color:var(--text-2);font-size:.88rem;margin-top:12px;max-width:32ch;}
.footer-col h4{font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.9rem;text-decoration:none;color:var(--text);opacity:.85;}
.footer-col a:hover{opacity:1;color:var(--cyan);}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--muted);}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Catalog page ---------- */
.catalog-toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:28px;}
.catalog-toolbar input[type="search"]{
  flex:1;min-width:220px;background:var(--surface);border:1px solid var(--border);border-radius:999px;
  padding:11px 18px;color:var(--text);font-family:var(--font-body);font-size:.9rem;
}
.catalog-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.chip{
  font-family:var(--font-mono);font-size:.76rem;padding:7px 14px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);color:var(--text-2);cursor:pointer;transition:all .15s ease;
}
.chip[aria-pressed="true"]{background:rgba(53,215,255,.14);border-color:var(--cyan);color:var(--cyan);}
.catalog-sort{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-2);}
.catalog-sort select{background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-family:var(--font-body);}
.catalog-count{font-family:var(--font-mono);font-size:.8rem;color:var(--muted);margin-bottom:16px;}
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-2);}
@media (max-width:900px){.catalog-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.catalog-grid{grid-template-columns:1fr;}}

/* ---------- Detail page ---------- */
.detail-hero{padding-block:48px 40px;border-bottom:1px solid var(--border);}
.breadcrumb{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--text-2);text-decoration:none;}
.breadcrumb a:hover{color:var(--cyan);}
.detail-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start;}
.detail-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.badge{font-family:var(--font-mono);font-size:.72rem;padding:5px 12px;border-radius:999px;border:1px solid var(--border);color:var(--text-2);}
.badge--cat{color:var(--cyan);border-color:rgba(53,215,255,.35);background:rgba(53,215,255,.08);}
.detail-info{display:flex;flex-direction:column;gap:14px;}
.info-row{border-bottom:1px solid var(--border);padding-bottom:14px;}
.info-row:last-child{border-bottom:none;padding-bottom:0;}
.info-row .k{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;}
.info-row .v{font-size:.92rem;color:var(--text-2);}
.sidebar-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;position:sticky;top:96px;}
.sidebar-card .price{font-family:var(--font-mono);font-size:1.8rem;font-weight:700;margin-bottom:4px;}
.sidebar-card .price-note{font-size:.82rem;color:var(--text-2);margin-bottom:18px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:900px){.detail-grid{grid-template-columns:1fr;} .sidebar-card{position:static;} .related-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.related-grid{grid-template-columns:1fr;}}

/* Sticky mobile CTA */
.sticky-cta{display:none;}
@media (max-width:900px){
  .sticky-cta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -8px 24px -12px rgba(0,0,0,.5);}
  .sticky-cta .btn{width:100%;}
  body{padding-bottom:76px;}
}