/* ============================================================
   DIGITAL TRUFFLE — light, friendly nonprofit-tech design system
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Comfortaa:wght@400;500;600;700&family=Mulish:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root{
  --bg:#f6f5fb;
  --surface:#ffffff;
  --tint:#efeafc;          /* lilac wash */
  --tint-blue:#e8f0fd;
  --ink:#1c1a33;
  --muted:#62607c;
  --line:rgba(28,26,51,.10);
  --line-soft:rgba(28,26,51,.06);
  --violet:#7b5ce6;
  --violet-deep:#6741d9;
  --blue:#3f73f0;
  --grad:linear-gradient(118deg,#7b5ce6 0%,#5a6cf0 55%,#3f9bf0 100%);
  --grad-soft:linear-gradient(118deg,rgba(123,92,230,.14),rgba(63,115,240,.14));
  --night:#15132b;         /* dark badge for the logo */
  --night-2:#221d44;
  --shadow-sm:0 2px 8px rgba(28,26,51,.06);
  --shadow:0 18px 50px -22px rgba(60,40,140,.35);
  --shadow-lg:0 40px 90px -40px rgba(60,40,140,.45);
  --r:18px;
  --r-lg:28px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Mulish',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.font-display{font-family:'Comfortaa',sans-serif;font-weight:600;letter-spacing:-.01em;line-height:1.12;color:var(--ink)}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* soft atmospheric blobs */
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;z-index:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:'Comfortaa',sans-serif;font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  text-align:center;line-height:1;
}
.btn-primary{color:#fff;background:var(--grad);box-shadow:0 12px 26px -10px rgba(98,66,210,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -10px rgba(98,66,210,.78)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--violet);color:var(--violet-deep)}
.btn-lg{padding:17px 34px;font-size:16px}

/* ---------- pills / eyebrow ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:'Comfortaa',sans-serif;font-weight:600;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--violet-deep);background:var(--tint);
  padding:7px 15px;border-radius:999px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad)}

/* gradient text */
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,251,.78);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.site-header.scrolled{border-color:var(--line-soft);box-shadow:0 6px 24px -18px rgba(28,26,51,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-badge{
  width:46px;height:46px;border-radius:14px;flex:none;
  background:radial-gradient(120% 120% at 30% 20%,#2a2456,#14122a 70%);
  display:grid;place-items:center;overflow:hidden;
  box-shadow:0 8px 20px -10px rgba(40,25,90,.7),inset 0 0 0 1px rgba(255,255,255,.05);
}
.brand-badge img{width:38px;height:auto;filter:drop-shadow(0 0 6px rgba(150,110,255,.6))}
.brand-name{font-family:'Comfortaa',sans-serif;font-weight:700;font-size:18px;letter-spacing:.04em;line-height:1}
.brand-name small{display:block;font-size:10.5px;letter-spacing:.26em;font-weight:500;color:var(--muted);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  font-family:'Comfortaa',sans-serif;font-weight:500;font-size:15px;
  padding:9px 16px;border-radius:999px;color:var(--ink);
  transition:background .2s,color .2s;
}
.nav-links a:hover{background:var(--tint);color:var(--violet-deep)}
.nav-links a.active{color:var(--violet-deep);background:var(--tint)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;border-radius:10px}
.nav-toggle span{display:block;width:24px;height:2.4px;border-radius:2px;background:var(--ink);transition:.3s}
.nav-toggle span+span{margin-top:6px}

@media(max-width:860px){
  .nav-links{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;
    background:var(--surface);padding:18px 22px 26px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .4s var(--ease);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 16px;font-size:17px}
  .nav-cta{margin:8px 0 0}
  .btn.nav-cta{width:100%;justify-content:center}
  .nav-toggle{display:block}
  .nav-toggle.open span:nth-child(1){transform:translateY(8.4px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-8.4px) rotate(-45deg)}
}

/* ============================================================
   SECTIONS / general
   ============================================================ */
section{position:relative}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-head h2{font-size:clamp(28px,4vw,42px);margin:14px 0 16px}
.section-head p{color:var(--muted);font-size:18px;margin:0}

/* ---------- HERO ---------- */
.hero{position:relative;padding:74px 0 88px;overflow:hidden}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(34px,5.4vw,60px);margin:0 0 22px}
.hero .lead{font-size:19px;color:var(--muted);max-width:520px;margin:0 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap}
.hero-trust .stat{display:flex;flex-direction:column}
.hero-trust .num{font-family:'Comfortaa',sans-serif;font-weight:700;font-size:26px;color:var(--ink)}
.hero-trust .lbl{font-size:13.5px;color:var(--muted)}

/* hero visual: the brain in a night panel */
.hero-visual{position:relative;display:grid;place-items:center;min-height:380px}
.brain-stage{
  position:relative;width:100%;max-width:420px;aspect-ratio:1/1;border-radius:34px;
  background:radial-gradient(130% 120% at 32% 22%,#2b2560 0%,#1a1638 48%,#100e26 100%);
  box-shadow:var(--shadow-lg),inset 0 0 0 1px rgba(255,255,255,.06);
  display:grid;place-items:center;overflow:hidden;
}
.brain-stage::after{content:"";position:absolute;inset:0;background:
  radial-gradient(2px 2px at 20% 30%,rgba(120,200,255,.7),transparent),
  radial-gradient(2px 2px at 80% 22%,rgba(170,140,255,.7),transparent),
  radial-gradient(1.5px 1.5px at 66% 78%,rgba(120,200,255,.6),transparent),
  radial-gradient(1.5px 1.5px at 30% 80%,rgba(170,140,255,.6),transparent),
  radial-gradient(1.5px 1.5px at 88% 60%,rgba(120,200,255,.5),transparent);
  opacity:.9}
.brain-stage img{width:74%;position:relative;z-index:3;animation:float 7s ease-in-out infinite,glowpulse 4.5s ease-in-out infinite}
.brain-ring{position:absolute;border-radius:50%;border:1px dashed rgba(160,150,230,.35);z-index:1}
.brain-ring.r1{width:80%;height:80%;animation:spin 38s linear infinite}
.brain-ring.r2{width:104%;height:104%;animation:spin 56s linear infinite reverse}
.brain-ring.r3{width:128%;height:128%;border-color:rgba(160,150,230,.2);animation:spin 80s linear infinite}

/* orbiting dots that ride the spinning rings */
.orbit-dot{position:absolute;top:-5px;left:50%;width:10px;height:10px;margin-left:-5px;border-radius:50%;
  background:radial-gradient(circle,#fff,#8a6cff 55%,rgba(138,108,255,0) 72%);
  box-shadow:0 0 12px 2px rgba(150,110,255,.85)}
.orbit-dot.d2{top:auto;bottom:-5px;background:radial-gradient(circle,#fff,#54a8ff 55%,rgba(84,168,255,0) 72%);box-shadow:0 0 12px 2px rgba(84,168,255,.85)}

/* pulsing halo behind the stage */
.brain-aura{position:absolute;width:78%;aspect-ratio:1/1;border-radius:50%;z-index:0;
  background:radial-gradient(circle,rgba(123,92,230,.45),rgba(63,115,240,.18) 55%,transparent 72%);
  filter:blur(8px);animation:aura 4.5s ease-in-out infinite}

/* twinkling sparks inside the stage */
.spark{position:absolute;z-index:2;width:5px;height:5px;border-radius:50%;background:#fff;
  box-shadow:0 0 8px 1.5px rgba(180,160,255,.9);opacity:0;animation:twinkle 3.4s ease-in-out infinite}
.spark.s1{top:18%;left:24%;animation-delay:.0s}
.spark.s2{top:14%;right:22%;width:4px;height:4px;animation-delay:.6s}
.spark.s3{bottom:26%;left:18%;width:4px;height:4px;animation-delay:1.1s}
.spark.s4{bottom:20%;right:24%;animation-delay:1.7s}
.spark.s5{top:46%;right:14%;width:3px;height:3px;animation-delay:2.2s}
.spark.s6{top:50%;left:12%;width:3px;height:3px;animation-delay:2.8s}

@keyframes float{50%{transform:translateY(-12px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes glowpulse{0%,100%{filter:drop-shadow(0 0 18px rgba(123,92,230,.45))}50%{filter:drop-shadow(0 0 34px rgba(110,140,255,.8))}}
@keyframes aura{0%,100%{transform:scale(.92);opacity:.55}50%{transform:scale(1.08);opacity:.85}}
@keyframes twinkle{0%,100%{opacity:0;transform:scale(.4)}45%,60%{opacity:1;transform:scale(1)}}

@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;text-align:center}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-cta,.hero-trust{justify-content:center}
  .hero-visual{order:-1;min-height:auto}
  .brain-stage{max-width:300px}
}

/* ---------- service / feature cards ---------- */
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}}
@media(max-width:620px){.grid-4,.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card .ico{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--grad-soft);color:var(--violet-deep);
}
.card:hover .ico{background:var(--grad);color:#fff}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:20px;margin:0 0 10px}
.card p{color:var(--muted);font-size:15.5px;margin:0}
.card .ico,.card h3,.card p{transition:color .35s}

/* numbered step */
.step{display:flex;gap:20px;align-items:flex-start}
.step .n{
  flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-family:'Comfortaa',sans-serif;font-weight:700;font-size:19px;color:#fff;background:var(--grad);
  box-shadow:0 10px 22px -10px rgba(98,66,210,.6);
}
.step h3{font-size:19px;margin:6px 0 6px}
.step p{color:var(--muted);font-size:15.5px;margin:0}

/* tinted band */
.band{background:var(--tint);position:relative;overflow:hidden}
.band-blue{background:var(--tint-blue)}

/* CTA panel (dark, echoes the logo world) */
.cta-panel{
  position:relative;border-radius:36px;overflow:hidden;color:#fff;
  background:radial-gradient(120% 140% at 80% 10%,#2d2668 0%,#1a1640 45%,#100d28 100%);
  padding:64px 56px;text-align:center;box-shadow:var(--shadow-lg);
}
.cta-panel::before{content:"";position:absolute;inset:0;background:
  radial-gradient(2px 2px at 12% 30%,rgba(150,200,255,.6),transparent),
  radial-gradient(2px 2px at 88% 24%,rgba(180,150,255,.6),transparent),
  radial-gradient(1.5px 1.5px at 70% 80%,rgba(150,200,255,.5),transparent),
  radial-gradient(1.5px 1.5px at 26% 74%,rgba(180,150,255,.5),transparent)}
.cta-panel h2{color:#fff;font-size:clamp(26px,3.6vw,38px);margin:0 0 16px;position:relative}
.cta-panel p{color:rgba(255,255,255,.78);font-size:18px;max-width:600px;margin:0 auto 30px;position:relative}
.cta-panel .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.25)}
.cta-panel .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}
.cta-panel .hero-cta{position:relative;justify-content:center}

/* value rows */
.value{display:flex;gap:16px;align-items:flex-start}
.value .tick{flex:none;width:30px;height:30px;border-radius:9px;background:var(--grad-soft);color:var(--violet-deep);display:grid;place-items:center;margin-top:2px}
.value .tick svg{width:16px;height:16px}
.value h4{font-size:17px;margin:2px 0 4px;font-family:'Comfortaa',sans-serif}
.value p{color:var(--muted);font-size:15px;margin:0}

/* ---------- forms ---------- */
.form{display:grid;gap:18px}
.field label{display:block;font-family:'Comfortaa',sans-serif;font-weight:500;font-size:14px;margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;font:inherit;font-size:15.5px;color:var(--ink);
  background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:13px 16px;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 4px rgba(123,92,230,.14)}
.field.error input,.field.error textarea{border-color:#e0556b;box-shadow:0 0 0 4px rgba(224,85,107,.12)}
.field .err{display:none;color:#d63b54;font-size:13px;margin-top:6px}
.field.error .err{display:block}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.row-2{grid-template-columns:1fr}}
.form-note{font-size:13.5px;color:var(--muted)}
.form-success{
  display:none;background:var(--tint);border:1px solid rgba(123,92,230,.25);border-radius:var(--r);
  padding:20px 22px;align-items:center;gap:14px;
}
.form-success.show{display:flex}
.form-success .ok{flex:none;width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center}

/* contact info cards */
.info-card{display:flex;gap:16px;align-items:flex-start;padding:22px;background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.info-card .ico{flex:none;width:46px;height:46px;border-radius:13px;background:var(--grad-soft);color:var(--violet-deep);display:grid;place-items:center}
.info-card .ico svg{width:22px;height:22px}
.info-card h4{font-family:'Comfortaa',sans-serif;font-size:16px;margin:0 0 3px}
.info-card p{margin:0;color:var(--muted);font-size:15px}

/* ---------- footer ---------- */
.site-footer{background:var(--night);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid .brand-name{color:#fff}
.footer-grid .brand-name small{color:rgba(255,255,255,.5)}
.site-footer p{color:rgba(255,255,255,.6);font-size:15px}
.footer-col h5{font-family:'Comfortaa',sans-serif;color:#fff;font-size:14px;letter-spacing:.04em;margin:0 0 16px}
.footer-col a{display:block;color:rgba(255,255,255,.65);font-size:15px;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.45)}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:30px}}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.brain-stage img,.brain-ring,.brain-aura,.spark,.orbit-dot{animation:none}.spark{opacity:.7}}