/* =========================================================
   Amy Platform — shared visual system
   Used by all 8 platform feature pages
   ========================================================= */

:root, [data-theme="dark"]{
  --bg:#0A0A0B; --bg-2:#111114; --bg-3:#17171B;
  --ink:#F5F5F7; --ink-2:rgba(245,245,247,.70); --ink-3:rgba(245,245,247,.48);
  --line:rgba(255,255,255,.10); --line-2:rgba(255,255,255,.18);
  --coral:#FF7A6A; --coral-ink:#3E0E08;
  --peach:#FFC065; --peach-ink:#3E2800;
  --butter:#FFE28A; --butter-ink:#3E2E00;
  --lime:#B8E986;  --lime-ink:#1C2F0B;
  --mint:#8FE6C8;  --mint-ink:#0A2A20;
  --sky:#8FC3FF;   --sky-ink:#07234A;
  --lavender:#C9B8FF; --lavender-ink:#1F0E4B;
  --pink:#FFB3D9;  --pink-ink:#4A0E2E;
  --shadow-lg:0 30px 80px rgba(0,0,0,.55),0 8px 20px rgba(0,0,0,.35);
  --shadow-sm:0 6px 20px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#F5F3EE; --bg-2:#FFFFFF; --bg-3:#FBFAF6;
  --ink:#0F0F12; --ink-2:rgba(15,15,18,.70); --ink-3:rgba(15,15,18,.48);
  --line:rgba(17,17,20,.10); --line-2:rgba(17,17,20,.18);
  --shadow-lg:0 30px 80px rgba(17,17,20,.14),0 8px 20px rgba(17,17,20,.08);
  --shadow-sm:0 6px 20px rgba(17,17,20,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:16px/1.55 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
em{font-family:"Instrument Serif",serif;font-style:normal;font-weight:400}
.section h2 em,h1 em,h2 em,h3 em{font-style:normal}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

/* === NAV === */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.mark{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:18px}
.mark svg{width:22px;height:22px}
.tri-logo{fill:none;stroke-width:9;stroke-linejoin:round}
.nav .links{display:flex;gap:6px;align-items:center}
.nav .links a{padding:8px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-2)}
.nav .links a:hover{background:var(--line);color:var(--ink)}
.nav .links a.active{color:var(--ink)}
.nav .right{display:flex;gap:8px;align-items:center}
.btn-sm{padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid var(--line-2)}
.btn-primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.theme-toggle{width:34px;height:34px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2)}
.theme-toggle:hover{color:var(--ink);background:var(--line)}
.theme-toggle svg{width:15px;height:15px}

/* === PLATFORM SUB-NAV === */
.subnav{position:sticky;top:63px;z-index:40;background:var(--bg);border-bottom:1px solid var(--line)}
.subnav-inner{max-width:1440px;margin:0 auto;padding:10px 28px;display:flex;flex-wrap:wrap;gap:4px 4px;row-gap:6px;align-items:center}
.subnav-inner .lbl{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-right:14px;flex-shrink:0}
.subnav a{padding:6px 11px;border-radius:8px;font-size:12.5px;color:var(--ink-2);white-space:nowrap;display:inline-flex;align-items:center;gap:8px;flex-shrink:0}
.subnav a:hover{background:var(--line);color:var(--ink)}
.subnav a.active{color:var(--ink);background:var(--line)}
.subnav a .d{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.55}

/* === HERO === */
.hero{padding:80px 28px 40px;max-width:1440px;margin:0 auto;position:relative}
.hero .crumb{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-bottom:24px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.hero .crumb a{color:var(--ink-3)}
.hero .crumb a:hover{color:var(--ink)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;font-weight:600}
.pill .d{width:6px;height:6px;border-radius:50%;background:currentColor}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:end;margin-top:18px}
.hero h1{font-family:"Instrument Serif",serif;font-weight:400;font-size:clamp(52px,7.8vw,112px);line-height:1.0;letter-spacing:-.02em;margin:0 0 28px;padding-bottom:.05em}
.hero h1 .acc{border-radius:.12em;padding:.02em .18em;transform:rotate(-1.2deg);display:inline-block;box-shadow:var(--shadow-sm)}
.hero p.lede{font-size:20px;color:var(--ink-2);max-width:560px;line-height:1.5;margin:0 0 26px}
.hero .body{font-size:15.5px;color:var(--ink-2);max-width:560px;line-height:1.55;margin:0 0 28px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{padding:14px 22px;border-radius:999px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-2)}
.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn .arr{width:22px;height:22px;border-radius:50%;background:rgba(0,0,0,.15);display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.btn.primary .arr{background:rgba(255,255,255,.15)}

/* === SECTION === */
.section{max-width:1440px;margin:0 auto;padding:80px 28px}
.section .eyebrow{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;display:inline-flex;align-items:center;gap:10px}
.section .eyebrow .d{width:6px;height:6px;border-radius:50%}
.section h2{font-family:"Instrument Serif",serif;font-weight:400;font-size:clamp(42px,5.6vw,72px);line-height:1.12;letter-spacing:-.02em;margin:0 0 36px;max-width:22ch;padding-bottom:.16em}
.section .lede{font-size:19px;color:var(--ink-2);max-width:62ch;line-height:1.5;margin:0 0 48px}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* === PANELS (bento) === */
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.panel{position:relative;border-radius:28px;padding:28px;overflow:hidden;min-height:300px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s;isolation:isolate}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.panel .tag{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;align-self:flex-start;padding:5px 10px;border-radius:999px;background:rgba(0,0,0,.15)}
.panel .tag .d{width:6px;height:6px;border-radius:50%;background:currentColor}
.panel h3{font-family:"Instrument Serif",serif;font-weight:400;font-size:36px;line-height:1.12;letter-spacing:-.02em;margin:14px 0 14px;padding-bottom:.14em}
.panel p.copy{font-size:14.5px;line-height:1.5;opacity:.82;max-width:42ch}
.panel .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:20px}
.panel .kbd{font:500 11px/1 "JetBrains Mono",monospace;padding:5px 8px;border-radius:6px;background:rgba(0,0,0,.18);letter-spacing:.1em}
.panel .arrow{width:38px;height:38px;border-radius:50%;background:rgba(0,0,0,.15);display:inline-flex;align-items:center;justify-content:center;transition:transform .35s}
.panel:hover .arrow{transform:translateX(4px) rotate(-8deg)}
.s-3{grid-column:span 3}.s-4{grid-column:span 4}.s-5{grid-column:span 5}.s-6{grid-column:span 6}.s-7{grid-column:span 7}.s-8{grid-column:span 8}.s-12{grid-column:span 12}
.tall{min-height:440px}.xtall{min-height:520px}
.c-coral{background:var(--coral);color:var(--coral-ink)}
.c-peach{background:var(--peach);color:var(--peach-ink)}
.c-butter{background:var(--butter);color:var(--butter-ink)}
.c-lime{background:var(--lime);color:var(--lime-ink)}
.c-mint{background:var(--mint);color:var(--mint-ink)}
.c-sky{background:var(--sky);color:var(--sky-ink)}
.c-lavender{background:var(--lavender);color:var(--lavender-ink)}
.c-pink{background:var(--pink);color:var(--pink-ink)}

/* === FEATURE CARDS (simpler, 3-col feature grid) === */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{border:1px solid var(--line);border-radius:22px;padding:24px;background:var(--bg-2);display:flex;flex-direction:column;gap:10px;min-height:220px;transition:border-color .3s,transform .3s}
.feat:hover{border-color:var(--line-2);transform:translateY(-3px)}
.feat .t{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:10px}
.feat .t .d{width:10px;height:10px;border-radius:3px}
.feat h4{font-family:"Instrument Serif",serif;font-weight:400;font-size:26px;line-height:1.08;letter-spacing:-.01em;margin:0;padding-bottom:.04em}
.feat p{font-size:13.5px;line-height:1.5;color:var(--ink-2);margin:0}
.feat ul{padding:0;margin:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.feat ul li{font-size:13.5px;color:var(--ink-2);line-height:1.5;display:flex;gap:10px}
.feat ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--ink-3);margin-top:8px;flex-shrink:0}

/* === CONNECTED TO PLATFORM band === */
.connect-band{padding:60px 28px;max-width:1440px;margin:0 auto}
.cb-title{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px;display:flex;align-items:center;gap:12px}
.cb-title::after{content:"";flex:1;height:1px;background:var(--line)}
.cb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cb-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:var(--bg-2);display:flex;flex-direction:column;gap:6px;min-height:130px;transition:transform .3s,border-color .3s}
.cb-card:hover{transform:translateY(-3px);border-color:var(--line-2)}
.cb-card .k{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.cb-card .k .d{width:8px;height:8px;border-radius:3px}
.cb-card h5{font-family:"Instrument Serif",serif;font-weight:400;font-size:22px;line-height:1.08;margin:0;padding-bottom:.04em}
.cb-card p{font-size:13px;color:var(--ink-2);margin:0;line-height:1.45}

/* === CTA === */
.cta{max-width:1440px;margin:40px auto 60px;padding:0 28px}
.cta-inner{border-radius:36px;padding:72px 56px;text-align:center;color:#fff;position:relative;overflow:hidden;background:#151120}
[data-theme="light"] .cta-inner{color:#0F0F12;background:#FFFAF3}
.cta h2{font-family:"Instrument Serif",serif;font-weight:400;font-size:clamp(44px,6vw,84px);line-height:1.06;letter-spacing:-.02em;margin:0 auto 18px;max-width:22ch;padding-bottom:.08em}
.cta p{font-size:18px;opacity:.82;max-width:52ch;margin:0 auto 32px}
.cta .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta .btn{padding:15px 26px;border-radius:999px;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.2);color:inherit}
.cta .btn.primary{background:#fff;color:#0F0F12;border-color:#fff}
[data-theme="light"] .cta .btn{border-color:rgba(15,15,18,.15)}
[data-theme="light"] .cta .btn.primary{background:#0F0F12;color:#fff;border-color:#0F0F12}

/* === FOOTER === */
.foot{padding:60px 28px 80px;text-align:center;border-top:1px solid var(--line);color:var(--ink-3);font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase}
.foot a{color:var(--ink-2)}
.foot a:hover{color:var(--ink)}
.foot .dots{display:flex;gap:6px;justify-content:center;margin-bottom:18px}
.foot .dots span{width:10px;height:10px;border-radius:50%}

/* === preview card in hero (generic) === */
.preview{background:var(--bg-2);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.preview .t{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px;display:flex;justify-content:space-between}
.preview .title{font-family:"Instrument Serif",serif;font-size:26px;letter-spacing:-.01em;margin-bottom:14px;line-height:1.1}

/* === RESPONSIVE === */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr}
  .s-3,.s-4,.s-5{grid-column:span 6}
  .s-6,.s-7,.s-8{grid-column:span 12}
  .feat-grid{grid-template-columns:1fr 1fr}
  .cb-grid{grid-template-columns:1fr 1fr}
  .nav .links{display:none}
}
@media (max-width:640px){
  .s-3,.s-4,.s-5,.s-6,.s-7,.s-8{grid-column:span 12}
  .feat-grid{grid-template-columns:1fr}
  .cb-grid{grid-template-columns:1fr}
  .cta-inner{padding:52px 24px}
  .hero{padding:60px 18px 20px}
  .section{padding:60px 18px}
  .panel h3{font-size:30px}
}