/* Nafiul Azim — shared styles (v7)
   Direction: a modern data studio. Calm neutral canvas, one confident teal,
   signal colours reserved for data (teal = reached, amber = targeted, coral = unmet need).
   Type: Bricolage Grotesque (display) · Instrument Serif italic (accent words) · Geist (body) · Geist Mono (data). */
:root{
  --ink:#0a0f1a; --ink-2:#101826; --ink-3:#162133; --line:rgba(170,195,235,.12); --line-2:rgba(170,195,235,.22);
  --fg:#edf1f7; --muted:#97a5b9; --dim:#647389;
  --teal:#45d6cd; --amber:#f2b54a; --coral:#ff6e5a; --sky:#86b6ff; --violet:#a99bff;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --body:"Geist","Manrope","Segoe UI",system-ui,sans-serif;
  --mono:"Geist Mono","JetBrains Mono",ui-monospace,Consolas,monospace;
  --r:18px; --r-sm:12px; --ease:cubic-bezier(.2,.8,.2,1); --spring:cubic-bezier(.34,1.56,.64,1);
  --w:255,255,255; --nav:14,20,32; --on-accent:#06110f; --accent-rgb:69,214,205;
  --panel-bg:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  --panel-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 30px 60px -40px rgba(0,0,0,.7);
  --glow-a:rgba(69,214,205,.16); --glow-b:rgba(169,155,255,.10); --glow-c:rgba(255,110,90,.07); --net:134,182,255;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --ink:#f6f7f9; --ink-2:#ffffff; --ink-3:#eef1f5; --line:rgba(16,32,64,.09); --line-2:rgba(16,32,64,.16);
  --fg:#0c1626; --muted:#4d5b70; --dim:#7a879a;
  --teal:#0a8f88; --amber:#b5720a; --coral:#d6432d; --sky:#2b62c7; --violet:#5b4bd1;
  --w:12,22,38; --nav:255,255,255; --on-accent:#ffffff; --accent-rgb:10,143,136;
  --panel-bg:#ffffff;
  --panel-shadow:0 1px 2px rgba(12,22,38,.04),0 12px 32px -18px rgba(12,22,38,.16);
  --glow-a:rgba(10,143,136,.10); --glow-b:rgba(91,75,209,.07); --glow-c:rgba(214,67,45,.05); --net:43,98,199;
  color-scheme:light}}
:root[data-theme="light"]{
  --ink:#f6f7f9; --ink-2:#ffffff; --ink-3:#eef1f5; --line:rgba(16,32,64,.09); --line-2:rgba(16,32,64,.16);
  --fg:#0c1626; --muted:#4d5b70; --dim:#7a879a;
  --teal:#0a8f88; --amber:#b5720a; --coral:#d6432d; --sky:#2b62c7; --violet:#5b4bd1;
  --w:12,22,38; --nav:255,255,255; --on-accent:#ffffff; --accent-rgb:10,143,136;
  --panel-bg:#ffffff;
  --panel-shadow:0 1px 2px rgba(12,22,38,.04),0 12px 32px -18px rgba(12,22,38,.16);
  --glow-a:rgba(10,143,136,.10); --glow-b:rgba(91,75,209,.07); --glow-c:rgba(214,67,45,.05); --net:43,98,199;
  color-scheme:light}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit}
img{max-width:100%}
::selection{background:rgba(var(--accent-rgb),.3);color:var(--fg)}
.gut{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.wrap{max-width:1160px;margin:0 auto}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:8px}

/* atmosphere */
.bg-glow{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
   radial-gradient(900px 560px at 88% -12%,var(--glow-a),transparent 62%),
   radial-gradient(760px 520px at -8% 18%,var(--glow-b),transparent 60%),
   radial-gradient(700px 500px at 50% 110%,var(--glow-c),transparent 60%),
   var(--ink)}
.bg-grid{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 70%)}
.bg-grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* scroll progress */
.progress{position:fixed;left:0;top:0;height:2px;width:100%;z-index:60;transform-origin:left;transform:scaleX(0);
  background:linear-gradient(90deg,var(--teal),var(--sky),var(--violet))}

/* nav: floating glass pill */
.nav{position:sticky;top:calc(10px + env(safe-area-inset-top,0px));z-index:50;padding-top:10px}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:7px 7px 7px 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(var(--nav),.62);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.45);transition:box-shadow .3s,border-color .3s}
.nav.scrolled .wrap{border-color:var(--line-2);box-shadow:0 16px 40px -20px rgba(0,0,0,.55)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:-.015em;white-space:nowrap}
.brand i{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;color:#06110f;
  background:conic-gradient(from 210deg,#45d6cd,#86b6ff,#f2b54a,#45d6cd);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.12)}
.nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:3px;border-radius:999px;background:rgba(var(--w),.035)}
.nav ul a{display:block;padding:7px 14px;border-radius:999px;text-decoration:none;color:var(--muted);font-size:14px;font-weight:500;transition:color .2s,background .25s}
.nav ul a:hover{color:var(--fg)}
.nav ul a.on{color:var(--fg);background:var(--ink-2);box-shadow:0 1px 3px rgba(0,0,0,.18),0 0 0 1px var(--line)}
.nav .cta{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;text-decoration:none;font-size:14px;font-weight:600;
  background:var(--fg);color:var(--ink);transition:transform .25s var(--ease),opacity .2s}
.nav .cta:hover{transform:translateY(-1px);opacity:.9}
@media (max-width:760px){
  .nav .wrap{flex-wrap:wrap;border-radius:22px;row-gap:6px;padding:8px 8px 8px 14px}
  .nav ul{order:3;width:100%;justify-content:space-between;overflow-x:auto;scrollbar-width:none}
  .nav ul li{flex:1}
  .nav ul a{text-align:center;padding:7px 10px;font-size:13px;white-space:nowrap}
  .nav .cta{padding:0 12px;font-size:13px;height:36px}
}

/* type */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;opacity:.7}
h1,h2,h3{font-family:var(--display);letter-spacing:-.03em;text-wrap:balance;margin:0}
h1{font-size:clamp(44px,7.6vw,96px);line-height:.95;font-weight:700}
h2{font-size:clamp(32px,4.6vw,56px);line-height:1;font-weight:700}
h3{font-size:20px;font-weight:700;line-height:1.2;letter-spacing:-.02em}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.lede{font-size:clamp(17px,1.9vw,20px);line-height:1.55;color:var(--muted);max-width:58ch;margin:0}
.grad{background:linear-gradient(100deg,var(--teal),var(--sky) 50%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.mono{font-family:var(--mono)}
section{padding-block:clamp(64px,10vw,128px);scroll-margin-top:90px}
@media (max-width:760px){section{scroll-margin-top:120px}}
.sec-head{display:grid;gap:14px;margin-bottom:44px;max-width:780px}

/* pills & buttons */
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(var(--w),.04);font-size:13px;font-weight:500;color:var(--muted);backdrop-filter:blur(6px)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(var(--accent-rgb),.6);animation:ping 2.2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(var(--accent-rgb),.55)}80%,100%{box-shadow:0 0 0 9px rgba(var(--accent-rgb),0)}}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:var(--body);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s,background .25s,border-color .25s,color .25s}
.btn-primary{background:var(--teal);color:var(--on-accent);box-shadow:0 10px 30px -12px rgba(var(--accent-rgb),.7),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .8s var(--ease)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(var(--accent-rgb),.8),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover::after{transform:translateX(120%)}
.btn-ghost{border-color:var(--line-2);color:var(--fg);background:rgba(var(--w),.04)}
.btn-ghost:hover{border-color:var(--fg);transform:translateY(-2px)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn:disabled{opacity:.6;cursor:progress}

/* panels with cursor spotlight */
.panel{background:var(--panel-bg);box-shadow:var(--panel-shadow);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,32px);position:relative;min-width:0;isolation:isolate}
.panel::before{content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;z-index:-1;opacity:0;transition:opacity .35s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(var(--accent-rgb),.10),transparent 45%)}
.panel:hover::before{opacity:1}
.panel .note{font-size:13px;color:var(--dim);margin:14px 0 0}
.src{font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.02em}

/* reveal animation (content is visible without JS; JS opts in) */
.js .reveal{opacity:0;transform:translateY(28px) scale(.985);filter:blur(4px);transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none;filter:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}

/* footer */
footer.site{border-top:1px solid var(--line);padding-block:44px;color:var(--dim);font-size:14px}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:16px 32px;justify-content:space-between;align-items:center}
footer.site a{color:var(--muted);text-decoration:none;transition:color .2s}
footer.site a:hover{color:var(--teal)}

/* reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;align-content:start}
.review{display:grid;gap:14px;align-content:start}
.review .stars{color:var(--amber);letter-spacing:3px;font-size:15px}
.review p{margin:0;color:var(--fg);font-family:var(--serif);font-size:21px;line-height:1.35}
.review .who{font-size:14px;color:var(--muted)}
.review .who b{color:var(--fg);font-weight:600}
.review-empty{color:var(--muted);border-style:dashed;text-align:center;display:grid;place-items:center;min-height:180px}
.review-empty p{font-family:var(--body);font-size:16px}
form.rv{display:grid;gap:16px;min-width:0}
.row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
@media (max-width:600px){.row2{grid-template-columns:1fr}}
label{display:grid;gap:7px;font-size:13px;font-weight:600;color:var(--muted)}
input,textarea,select{width:100%;min-width:0;font:inherit;font-size:15px;color:var(--fg);background:rgba(var(--w),.03);border:1px solid var(--line-2);border-radius:12px;padding:13px 14px;transition:border-color .2s,box-shadow .2s,background .2s}
input::placeholder,textarea::placeholder{color:var(--dim)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--teal);background:var(--ink-2);box-shadow:0 0 0 4px rgba(var(--accent-rgb),.14)}
textarea{min-height:120px;resize:vertical}
.rate{display:flex;gap:6px;flex-direction:row-reverse;justify-content:flex-end}
.rate input{position:absolute;opacity:0;width:1px;height:1px;min-width:0}
.rate label{font-size:28px;color:var(--line-2);cursor:pointer;transition:color .15s,transform .2s var(--spring)}
.rate label:hover,.rate label:hover~label,.rate input:checked~label{color:var(--amber)}
.rate label:hover{transform:scale(1.2)}
.rate input:focus-visible+label{outline:2px solid var(--teal);border-radius:4px}
.form-msg{font-size:14px;min-height:1.4em;margin:0}
.form-msg.ok{color:var(--teal)}.form-msg.err{color:var(--coral)}
.fine{font-size:12px;color:var(--dim);margin:0}

/* theme toggle */
.nav-right{display:flex;align-items:center;gap:6px}
.theme-btn{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:rgba(var(--w),.04);color:var(--fg);cursor:pointer;display:grid;place-items:center;transition:border-color .2s,transform .5s var(--spring)}
.theme-btn:hover{border-color:var(--teal);transform:rotate(25deg)}
.theme-btn svg{width:17px;height:17px}
.theme-btn .sun{display:none}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .theme-btn .sun{display:block}:root:not([data-theme="dark"]) .theme-btn .moon{display:none}}
:root[data-theme="light"] .theme-btn .sun{display:block}:root[data-theme="light"] .theme-btn .moon{display:none}

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

/* nav hides on scroll down, returns on scroll up */
.nav{transition:transform .45s var(--ease),opacity .3s}
.nav.hide{transform:translateY(calc(-100% - 24px));opacity:0}
.nav:focus-within{transform:none;opacity:1}