/* =====================================================================
   Corentis — Investor Prototype Design System
   Single stylesheet · light + dark themes · no build step
   ===================================================================== */

/* ============ TOKENS ============ */
:root{
  /* Brand */
  --blue:        #2563ff;
  --blue-600:    #1e54e6;
  --blue-700:    #1846c4;
  --blue-soft:   #eef3ff;
  --blue-soft-2: #e3ecff;
  --sky:         #5b8def;
  --violet:      #7c6cf0;
  --teal:        #16b8a6;
  --green:       #15a06a;
  --amber:       #e8a23c;
  --red:         #e2516b;

  /* Neutrals (light) */
  --ink:         #0b1020;
  --graphite:    #353d52;
  --muted:       #697089;
  --faint:       #99a1b5;
  --line:        #e7eaf2;
  --line-soft:   #eef0f6;
  --bg:          #ffffff;
  --bg-soft:     #f6f8fc;
  --bg-milk:     #fbfcfe;
  --card:        #ffffff;
  --card-2:      #ffffff;
  --on-accent:   #ffffff;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(16,24,40,.05);
  --shadow-sm: 0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06);
  --shadow:    0 10px 30px -12px rgba(20,40,90,.18);
  --shadow-lg: 0 30px 70px -28px rgba(20,40,90,.30);
  --ring:      0 0 0 4px rgba(37,99,255,.18);

  /* Radius */
  --r-xs: 8px;
  --r-sm: 12px;
  --r:    16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Spacing scale */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px;

  /* Type */
  --font:    'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --display: 'Geologica', 'Onest', -apple-system, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --maxw: 1200px;
  --maxw-wide: 1320px;
  --header-h: 68px;

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur-1: .18s;
  --dur-2: .32s;
  --dur-3: .55s;

  /* Gradients */
  --grad-brand: linear-gradient(120deg, var(--blue) 0%, var(--violet) 100%);
  --grad-soft:  linear-gradient(180deg, #f7f9ff 0%, #ffffff 70%);
  --grad-hero:  radial-gradient(1200px 600px at 70% -10%, rgba(37,99,255,.14), transparent 60%),
                radial-gradient(900px 500px at 10% 0%, rgba(124,108,240,.10), transparent 55%);
  color-scheme: light;
}

/* ============ DARK THEME ============ */
[data-theme="dark"]{
  --ink:       #f3f6ff;
  --graphite:  #c4ccde;
  --muted:     #9aa3bd;
  --faint:     #6f7793;
  --line:      #1d2740;
  --line-soft: #18203a;
  --bg:        #070b18;
  --bg-soft:   #0a1024;
  --bg-milk:   #0b1226;
  --card:      #0e152d;
  --card-2:    #111a36;
  --blue-soft: #131e3e;
  --blue-soft-2:#16264c;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.4);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.5);
  --shadow:    0 18px 40px -16px rgba(0,0,0,.6);
  --shadow-lg: 0 40px 90px -30px rgba(0,0,0,.8);
  --ring:      0 0 0 4px rgba(91,141,239,.32);
  --grad-soft: linear-gradient(180deg, #0a1024 0%, #070b18 70%);
  --grad-hero: radial-gradient(1200px 600px at 72% -10%, rgba(37,99,255,.22), transparent 60%),
               radial-gradient(900px 500px at 8% 0%, rgba(124,108,240,.18), transparent 55%);
  color-scheme: dark;
}

/* ============ RESET ============ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.55;
  overflow-x:hidden;
  transition:background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--r-xs)}

/* ============ LAYOUT ============ */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:var(--maxw-wide);margin:0 auto;padding:0 24px}
section{position:relative}
.section{padding:var(--s-9) 0}
.section-sm{padding:var(--s-8) 0}
.center{text-align:center}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-sm) 0;z-index:200}
.skip-link:focus{left:0}

/* ============ TYPOGRAPHY ============ */
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.025em;line-height:1.08;font-weight:700;color:var(--ink)}
h1{font-size:clamp(2.4rem,5.2vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem);letter-spacing:-.02em}
h4{font-size:1.075rem;letter-spacing:-.01em}
p{color:var(--graphite)}
.lead{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--muted);line-height:1.6;font-weight:400}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue);
}
[data-theme="dark"] .eyebrow{color:var(--sky)}
.eyebrow::before{content:"";width:18px;height:1.5px;background:currentColor;opacity:.6;display:inline-block}
.eyebrow.no-rule::before{display:none}
.muted{color:var(--muted)}
.balance{text-wrap:balance}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.section-head{max-width:720px;margin:0 auto var(--s-7);text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-head h2{margin:14px 0 16px}
.section-head .lead{margin:0 auto;max-width:640px}
.section-head.left .lead{margin:0}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  backdrop-filter:saturate(160%) blur(14px);
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur-2) var(--ease), background var(--dur-2) var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-xs)}
.nav{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:1.16rem;letter-spacing:-.02em}
.brand .logo{width:30px;height:30px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{padding:8px 12px;border-radius:var(--r-xs);font-size:.94rem;font-weight:500;color:var(--graphite);transition:color var(--dur-1),background var(--dur-1)}
.nav-links a:hover{color:var(--ink);background:var(--bg-soft)}
.nav-links a[aria-current="page"]{color:var(--blue)}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-xs);color:var(--graphite);transition:background var(--dur-1),color var(--dur-1)}
.icon-btn:hover{background:var(--bg-soft);color:var(--ink)}
.icon-btn svg{width:19px;height:19px}

/* Language switcher */
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;border-radius:var(--r-xs);font-size:.9rem;font-weight:600;color:var(--graphite)}
.lang-btn:hover{background:var(--bg-soft);color:var(--ink)}
.lang-btn svg{width:14px;height:14px}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);min-width:150px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--shadow);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--dur-1),transform var(--dur-1),visibility var(--dur-1);
}
.lang[data-open="true"] .lang-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu a{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:var(--r-xs);font-size:.9rem;font-weight:500;color:var(--graphite)}
.lang-menu a:hover{background:var(--bg-soft);color:var(--ink)}
.lang-menu a[aria-current="true"]{color:var(--blue);font-weight:600}
.lang-menu .flag{font-size:1.05rem;line-height:1}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-pill);font-weight:600;font-size:.95rem;
  line-height:1;white-space:nowrap;transition:transform var(--dur-1) var(--ease),
  box-shadow var(--dur-1),background var(--dur-1),color var(--dur-1),border-color var(--dur-1);
  border:1px solid transparent;
}
.btn svg{width:17px;height:17px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px -10px rgba(37,99,255,.7)}
.btn-primary:hover{background:var(--blue-600);box-shadow:0 12px 28px -10px rgba(37,99,255,.85);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--graphite)}
.btn-soft{background:var(--blue-soft);color:var(--blue-700)}
[data-theme="dark"] .btn-soft{color:var(--sky)}
.btn-soft:hover{background:var(--blue-soft-2)}
.btn-lg{padding:15px 26px;font-size:1rem}
.btn-block{width:100%}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:.95rem}
[data-theme="dark"] .btn-link{color:var(--sky)}
.btn-link svg{width:15px;height:15px;transition:transform var(--dur-1)}
.btn-link:hover svg{transform:translateX(3px)}

/* ============ BADGES / TAGS / PILLS ============ */
.badge{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--r-pill);
  font-size:.82rem;font-weight:600;background:var(--bg-soft);color:var(--graphite);border:1px solid var(--line)}
.badge-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 25%,transparent)}
.badge-blue{background:var(--blue-soft);color:var(--blue-700);border-color:transparent}
[data-theme="dark"] .badge-blue{color:var(--sky)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-xs);font-size:.76rem;font-weight:600;background:var(--bg-soft);color:var(--muted);border:1px solid var(--line)}

/* ============ HERO ============ */
.hero{padding:calc(var(--s-9) + 10px) 0 var(--s-9);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:var(--grad-hero);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:20px 0 22px}
.hero .lead{margin-bottom:32px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;color:var(--muted);font-size:.86rem}
.hero-trust .ck{display:inline-flex;align-items:center;gap:7px}
.hero-trust svg{width:15px;height:15px;color:var(--green)}

/* ============ GRID HELPERS ============ */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.grid-stretch{align-items:stretch}

/* ============ CARDS ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-xs);transition:transform var(--dur-2) var(--ease),
  box-shadow var(--dur-2),border-color var(--dur-2);position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--blue) 35%,var(--line))}
.card .ic{width:46px;height:46px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--blue-soft);color:var(--blue);margin-bottom:18px}
[data-theme="dark"] .card .ic{color:var(--sky)}
.card .ic svg{width:23px;height:23px}
.card h3,.card h4{margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.card-feature{padding:28px}
.card-glass{background:color-mix(in srgb,var(--card) 70%,transparent);backdrop-filter:blur(10px)}
.card-accent{background:var(--grad-brand);color:#fff;border-color:transparent}
.card-accent h3,.card-accent h4{color:#fff}
.card-accent p{color:rgba(255,255,255,.85)}
.card-accent .ic{background:rgba(255,255,255,.16);color:#fff}

/* Module card */
.module-card{padding:24px}
.module-card .mod-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.module-card .num{font-family:var(--mono);font-size:.78rem;color:var(--faint)}

/* ============ STATS / METRICS ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding:4px}
.stat .val{font-family:var(--display);font-size:clamp(2rem,3.5vw,2.9rem);font-weight:700;letter-spacing:-.03em;line-height:1;color:var(--ink)}
.stat .val .unit{font-size:.55em;color:var(--blue);margin-left:2px}
[data-theme="dark"] .stat .val .unit{color:var(--sky)}
.stat .lbl{margin-top:10px;color:var(--muted);font-size:.92rem;line-height:1.4}
.metric-card{text-align:left}
.metric-card .val{margin-bottom:6px}

/* ============ ARCHITECTURE / DIAGRAM ============ */
.arch{border:1px solid var(--line);border-radius:var(--r-xl);background:var(--bg-soft);padding:18px;box-shadow:var(--shadow-sm)}
.arch-layer{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-bottom:12px}
.arch-layer:last-child{margin-bottom:0}
.arch-layer .ttl{display:flex;align-items:center;gap:10px;font-weight:600;font-size:.9rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
.arch-layer .ttl .dot{width:9px;height:9px;border-radius:50%;background:var(--blue)}
.arch-row{display:grid;gap:10px}
.arch-row.cols-2{grid-template-columns:repeat(2,1fr)}
.arch-row.cols-3{grid-template-columns:repeat(3,1fr)}
.arch-row.cols-4{grid-template-columns:repeat(4,1fr)}
.arch-chip{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;font-size:.88rem;font-weight:500;display:flex;align-items:center;gap:9px}
.arch-chip svg{width:16px;height:16px;color:var(--blue);flex:none}
[data-theme="dark"] .arch-chip svg{color:var(--sky)}
.arch-layer.accent{background:var(--grad-brand);border-color:transparent}
.arch-layer.accent .ttl{color:rgba(255,255,255,.8)}
.arch-layer.accent .ttl .dot{background:#fff}
.arch-layer.accent .arch-chip{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.18);color:#fff}
.arch-layer.accent .arch-chip svg{color:#fff}

/* ============ FEATURE LIST ============ */
.flist{display:grid;gap:14px}
.flist li{display:flex;gap:13px;align-items:flex-start}
.flist .ck{width:22px;height:22px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;flex:none;margin-top:1px}
[data-theme="dark"] .flist .ck{color:var(--sky)}
.flist .ck svg{width:13px;height:13px}
.flist b{color:var(--ink);font-weight:600}
.flist span{color:var(--muted);font-size:.95rem}

/* ============ SPLIT (text + visual) ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.reverse .split-visual{order:-1}

/* ============ TABLE / COMPARISON ============ */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card)}
table.cmp{width:100%;border-collapse:collapse;min-width:640px}
table.cmp th,table.cmp td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:.94rem}
table.cmp thead th{font-family:var(--display);font-weight:600;font-size:.9rem;color:var(--muted);background:var(--bg-soft)}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td.feat{font-weight:600;color:var(--ink)}
table.cmp .yes{color:var(--green);font-weight:600;display:inline-flex;align-items:center;gap:7px}
table.cmp .no{color:var(--faint)}
table.cmp .col-us{background:color-mix(in srgb,var(--blue-soft) 60%,var(--card))}
table.cmp thead .col-us{background:var(--blue-soft);color:var(--blue-700)}
[data-theme="dark"] table.cmp thead .col-us{color:var(--sky)}

/* ============ COMPLIANCE MATRIX ============ */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.matrix .m-item{border:1px solid var(--line);border-radius:var(--r);padding:18px;background:var(--card);display:flex;gap:13px;align-items:flex-start}
.matrix .m-item svg{width:20px;height:20px;color:var(--blue);flex:none;margin-top:2px}
[data-theme="dark"] .matrix .m-item svg{color:var(--sky)}
.matrix .m-item b{display:block;font-size:.95rem;margin-bottom:3px}
.matrix .m-item span{font-size:.85rem;color:var(--muted)}

/* ============ TIMELINE / ROADMAP ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.tl-item{padding:0 18px;position:relative}
.tl-item::before{content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--line)}
.tl-item:first-child::before{left:50%}
.tl-item:last-child::before{right:50%}
.tl-dot{width:18px;height:18px;border-radius:50%;background:var(--card);border:3px solid var(--blue);position:relative;z-index:1;margin:0 auto 18px}
.tl-item.done .tl-dot{background:var(--blue)}
.tl-phase{font-family:var(--mono);font-size:.74rem;color:var(--blue);font-weight:600;letter-spacing:.04em;text-align:center;text-transform:uppercase}
[data-theme="dark"] .tl-phase{color:var(--sky)}
.tl-item h4{text-align:center;margin:8px 0 8px;font-size:1rem}
.tl-item p{text-align:center;font-size:.86rem;color:var(--muted)}

/* ============ TABS ============ */
.tabs{display:flex;gap:6px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px;width:fit-content;margin:0 auto var(--s-6);flex-wrap:wrap}
.tab{padding:9px 18px;border-radius:var(--r-pill);font-size:.9rem;font-weight:600;color:var(--muted);transition:color var(--dur-1),background var(--dur-1)}
.tab[aria-selected="true"]{background:var(--card);color:var(--ink);box-shadow:var(--shadow-xs)}
.tabpanel{display:none}
.tabpanel.active{display:block;animation:fade .4s var(--ease)}

/* ============ ACCORDION / FAQ ============ */
.faq{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 4px;text-align:left;font-family:var(--display);font-weight:600;font-size:1.06rem;color:var(--ink)}
.faq-q .chev{width:22px;height:22px;flex:none;transition:transform var(--dur-2) var(--ease);color:var(--muted)}
.faq-item[data-open="true"] .chev{transform:rotate(45deg);color:var(--blue)}
.faq-a{overflow:hidden;max-height:0;transition:max-height var(--dur-3) var(--ease)}
.faq-a p{padding:0 4px 22px;color:var(--muted)}

/* ============ LOGO CLOUD ============ */
.logo-cloud{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 14px}
.logo-cloud .lg{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:.95rem;color:var(--graphite);letter-spacing:-.01em;padding:9px 18px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--card);box-shadow:var(--shadow-xs)}
.logo-cloud .lg::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue)}
[data-theme="dark"] .logo-cloud .lg::before{background:var(--sky)}

/* ============ QUOTE / TESTIMONIAL ============ */
.quote{border:1px solid var(--line);border-radius:var(--r-xl);padding:40px;background:var(--card);box-shadow:var(--shadow-xs)}
.quote .qt{font-family:var(--display);font-size:clamp(1.2rem,2vw,1.5rem);line-height:1.4;letter-spacing:-.01em;color:var(--ink);margin-bottom:22px}
.quote .who{display:flex;align-items:center;gap:13px}
.quote .av{width:46px;height:46px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:700}
.quote .who b{display:block;font-size:.95rem}
.quote .who span{font-size:.85rem;color:var(--muted)}

/* ============ CTA BAND ============ */
.cta-band{position:relative;border-radius:var(--r-xl);overflow:hidden;padding:64px 56px;background:var(--grad-brand);color:#fff;text-align:center}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 80% -20%,rgba(255,255,255,.22),transparent 60%);pointer-events:none}
.cta-band h2{color:#fff;position:relative}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:14px auto 28px;position:relative}
.cta-band .hero-cta{justify-content:center;position:relative;margin:0}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--blue-700);box-shadow:0 10px 30px -12px rgba(0,0,0,.4)}
.cta-band .btn-primary:hover{background:#f3f5ff}

/* ============ FORMS ============ */
.form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:.88rem;font-weight:600;color:var(--ink)}
.field .req{color:var(--blue)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);color:var(--ink);font:inherit;font-size:.95rem;
  transition:border-color var(--dur-1),box-shadow var(--dur-1);
}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:var(--ring);outline:none}
.field textarea{min-height:110px;resize:vertical}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--red)}
.field .err{font-size:.8rem;color:var(--red);display:none}
.field.invalid .err{display:block}
.field.row-2{grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:.8rem;color:var(--muted)}
.form-note a{color:var(--blue);font-weight:500}
.form-success{display:none;text-align:center;padding:32px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg-soft)}
.form-success.show{display:block;animation:fade .4s var(--ease)}
.form-success .ico{width:56px;height:56px;border-radius:50%;background:color-mix(in srgb,var(--green) 16%,transparent);color:var(--green);display:grid;place-items:center;margin:0 auto 16px}
.form-success .ico svg{width:28px;height:28px}
.btn .spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;display:none;animation:spin .7s linear infinite}
.btn.loading .spinner{display:inline-block}
.btn.loading .btn-label{opacity:.7}

/* ============ FOOTER ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:var(--s-8) 0 var(--s-6);margin-top:var(--s-8)}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:36px;margin-bottom:var(--s-7)}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:.9rem;color:var(--muted);max-width:280px}
.footer-disc{font-size:.78rem;color:var(--faint);margin-top:16px;max-width:300px;line-height:1.5}
.footer-col h5{font-family:var(--display);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:16px;font-weight:600}
.footer-col a{display:block;font-size:.9rem;color:var(--graphite);padding:6px 0;transition:color var(--dur-1)}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding-top:var(--s-5);border-top:1px solid var(--line)}
.footer-bottom p{font-size:.84rem;color:var(--muted)}
.footer-social{display:flex;gap:8px}

/* ============ MOBILE MENU ============ */
.menu-toggle{display:none}
.mobile-menu{position:fixed;inset:0;z-index:150;background:var(--bg);transform:translateX(100%);
  transition:transform var(--dur-2) var(--ease);display:flex;flex-direction:column;padding:24px;visibility:hidden}
.mobile-menu[data-open="true"]{transform:translateX(0);visibility:visible}
.mobile-menu .mm-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.mobile-menu nav{display:flex;flex-direction:column;gap:4px}
.mobile-menu nav a{padding:15px 12px;border-radius:var(--r-sm);font-family:var(--display);font-size:1.2rem;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-soft)}
.mobile-menu .mm-cta{margin-top:auto;display:grid;gap:10px}
.mobile-menu .mm-langs{display:flex;gap:8px;margin-top:20px}
.mobile-menu .mm-langs a{flex:1;text-align:center;padding:11px;border:1px solid var(--line);border-radius:var(--r-sm);font-weight:600;font-size:.9rem}
.mobile-menu .mm-langs a[aria-current="true"]{background:var(--blue-soft);color:var(--blue-700);border-color:transparent}

/* ============ PROBLEM/SOLUTION ROWS ============ */
.ps-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ps-col{border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;background:var(--card)}
.ps-col.bad{background:var(--bg-soft)}
.ps-col h3{display:flex;align-items:center;gap:11px;margin-bottom:20px;font-size:1.2rem}
.ps-col h3 .mk{width:34px;height:34px;border-radius:var(--r-sm);display:grid;place-items:center;flex:none}
.ps-col.bad h3 .mk{background:color-mix(in srgb,var(--red) 14%,transparent);color:var(--red)}
.ps-col.good h3 .mk{background:var(--blue-soft);color:var(--blue)}
[data-theme="dark"] .ps-col.good h3 .mk{color:var(--sky)}
.ps-col ul{display:grid;gap:14px}
.ps-col li{display:flex;gap:11px;font-size:.95rem;color:var(--graphite)}
.ps-col li svg{width:18px;height:18px;flex:none;margin-top:2px}
.ps-col.bad li svg{color:var(--red)}
.ps-col.good li svg{color:var(--green)}

/* ============ MARKET MAP / TAM ============ */
.tam{display:grid;gap:16px;max-width:520px}
.tam-row{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}
.tam-bar{min-height:48px;border-radius:var(--r-sm);display:flex;align-items:center;padding:11px 18px;color:#fff;font-weight:600;font-size:.85rem;line-height:1.25}
.tam-row .tag-name{font-family:var(--mono);font-size:.8rem;color:var(--muted);width:44px}
.tam-row .tam-val{font-family:var(--display);font-weight:700;font-size:1.05rem;color:var(--ink);white-space:nowrap}
.tam-tam{background:var(--blue-soft-2);color:var(--blue-700);width:100%}
[data-theme="dark"] .tam-tam{color:var(--sky)}
.tam-sam{background:color-mix(in srgb,var(--blue) 65%,var(--violet));width:74%}
.tam-som{background:var(--grad-brand);width:52%}

/* ============ PILL ROW / KPI inline ============ */
.kpi-row{display:flex;flex-wrap:wrap;gap:12px}
.kpi-pill{display:flex;align-items:center;gap:10px;padding:12px 18px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--card);font-size:.9rem;font-weight:500}
.kpi-pill b{font-family:var(--display);color:var(--ink)}
.kpi-pill .k-ico{color:var(--blue)}
[data-theme="dark"] .kpi-pill .k-ico{color:var(--sky)}

/* ============ DEFINITION / NUMBERED ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:st}
.step{position:relative}
.step .n{width:38px;height:38px;border-radius:var(--r-sm);background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-family:var(--display);font-weight:700;margin-bottom:16px}
.step h4{margin-bottom:8px}
.step p{font-size:.92rem;color:var(--muted)}

/* ============ NOTICE / DISCLAIMER ============ */
.notice{display:flex;gap:13px;align-items:flex-start;border:1px solid var(--line);border-left:3px solid var(--blue);background:var(--bg-soft);border-radius:var(--r-sm);padding:16px 18px}
.notice svg{width:18px;height:18px;color:var(--blue);flex:none;margin-top:2px}
.notice p{font-size:.9rem;color:var(--graphite);margin:0}
.notice b{color:var(--ink)}
.notice.warn{border-left-color:var(--amber)}
.notice.warn svg{color:var(--amber)}
.notice.demo{border-left-color:var(--violet)}
.notice.demo svg{color:var(--violet)}

/* ============ KEY-VALUE (representative example) ============ */
.kv{width:100%;border-collapse:collapse}
.kv tr{border-bottom:1px solid var(--line-soft)}
.kv tr:last-child{border-bottom:0}
.kv th{text-align:left;font-weight:500;color:var(--muted);font-size:.92rem;padding:12px 0}
.kv td{text-align:right;font-family:var(--display);font-weight:600;color:var(--ink);font-size:1rem;padding:12px 0}
.kv tr.total th,.kv tr.total td{font-size:1.05rem}
.kv tr.total td{color:var(--blue)}

/* ============ LEGAL PROSE ============ */
.prose{max-width:760px;margin:0 auto}
.prose h2{font-size:clamp(1.4rem,2.2vw,1.8rem);margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.12rem;margin:24px 0 10px}
.prose p{color:var(--graphite);margin:0 0 14px;line-height:1.7}
.prose ul{list-style:disc;padding-left:22px;margin:0 0 16px;display:grid;gap:8px}
.prose ul li{color:var(--graphite);line-height:1.6}
.prose a{color:var(--blue);font-weight:500}
.prose .muted-note{font-size:.85rem;color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 18px}
.prose .updated{font-size:.86rem;color:var(--muted);margin-bottom:28px}

/* ============ PAGE HEAD (inner pages) ============ */
.page-head{padding:var(--s-8) 0 var(--s-6);background:var(--grad-soft);border-bottom:1px solid var(--line-soft)}
.page-head .wrap{max-width:820px}
.page-head h1{font-size:clamp(2rem,4vw,3rem);margin:14px 0 14px}
.page-head .lead{max-width:680px}

/* ============ ANCHOR OFFSET ============ */
[id]{scroll-margin-top:90px}

/* ============ DECOR ============ */
.gridlines{position:absolute;inset:0;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(600px 400px at 50% 0,#000,transparent 75%);opacity:.5;pointer-events:none}

/* ============ REVEAL ANIMATION ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}
.reveal-d2{transition-delay:.16s}
.reveal-d3{transition-delay:.24s}

@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.floaty{animation:floaty 6s var(--ease) infinite}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .split{grid-template-columns:1fr;gap:36px}
  .split.reverse .split-visual{order:0}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:860px){
  .nav-links,.nav-right .lang,.nav-right .btn{display:none}
  .menu-toggle{display:grid}
  .g-3,.g-4,.stats,.matrix,.steps,.timeline{grid-template-columns:repeat(2,1fr)}
  .g-2,.ps-row,.cmp-3{grid-template-columns:1fr}
  .timeline .tl-item::before{display:none}
  .section{padding:var(--s-8) 0}
  .cta-band{padding:44px 28px}
}
@media (max-width:560px){
  .g-3,.g-4,.stats,.matrix,.steps,.timeline,.g-2{grid-template-columns:1fr}
  .field.row-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .wrap,.wrap-wide{padding:0 18px}
  .quote{padding:28px}
  .ps-col,.card{padding:22px}
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============ PRINT ============ */
@media print{.site-header,.mobile-menu,.cta-band,.site-footer{display:none}}