/* ===================================================================
   GESTYA.it — Landing page. Brand-coherent with the backend.
   Hanken Grotesk + violet→teal gradient. Dark hero, light sections.
=================================================================== */
:root{
  --violet:#6d4fc4; --violet-2:#7b5bd0; --indigo:#5f6cc4; --teal:#1fae8f; --teal-2:#2aa6a0;
  --grad:linear-gradient(100deg,#6d4fc4 0%,#5f6cc4 38%,#2aa6a0 72%,#1fae8f 100%);
  --grad-rev:linear-gradient(100deg,#1fae8f,#6d4fc4);
  --hero-bg:linear-gradient(165deg,#271d49 0%,#1a1334 52%,#130e28 100%);

  --ink:#15121f; --ink-2:#3b384b; --muted:#6f6c82; --muted-2:#9a98aa;
  --bg:#ffffff; --bg-soft:#f5f4f9; --bg-soft-2:#efedf6;
  --border:#e9e8f1; --border-2:#dededfff;
  --card:#ffffff;

  --r:16px; --r-sm:11px; --r-lg:24px;
  --shadow-sm:0 1px 2px rgba(20,16,40,.05),0 1px 3px rgba(20,16,40,.05);
  --shadow:0 8px 30px rgba(20,16,40,.09),0 2px 8px rgba(20,16,40,.05);
  --shadow-lg:0 30px 70px rgba(20,16,40,.22);
  --shadow-violet:0 16px 40px rgba(109,79,196,.34);

  --maxw:1200px;
  font-family:"Hanken Grotesk",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"ss01";overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
::selection{background:rgba(109,79,196,.2);}
.tnum{font-variant-numeric:tabular-nums;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;}
.eyebrow i{font-size:15px;}
.sec-eyebrow{color:var(--violet);background:var(--bg-soft-2);padding:7px 15px;border-radius:30px;}

h1,h2,h3{letter-spacing:-.025em;margin:0;text-wrap:balance;}
.h-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font:inherit;font-size:15px;font-weight:700;
  padding:13px 24px;border-radius:13px;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .15s,filter .15s,background .2s,border-color .2s,box-shadow .2s;}
.btn i{font-size:19px;}
.btn:active{transform:translateY(1px);}
.btn-grad{background:var(--grad);color:#fff;box-shadow:var(--shadow-violet);}
.btn-grad:hover{filter:brightness(1.07);transform:translateY(-1px);}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22);backdrop-filter:blur(6px);}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{filter:brightness(1.25);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border-2);}
.btn-light:hover{background:var(--bg-soft);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ===================== NAV ===================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent;}
.nav.solid{background:rgba(255,255,255,.86);backdrop-filter:saturate(1.5) blur(14px);border-color:var(--border);box-shadow:var(--shadow-sm);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;align-items:center;gap:30px;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:#fff;transition:color .3s;}
.nav.solid .brand{color:var(--ink);}
.brand .mk{width:36px;height:36px;border-radius:10px;background:#fff;display:grid;place-items:center;overflow:hidden;box-shadow:0 3px 10px rgba(0,0,0,.18);}
.brand .mk img{width:100%;height:100%;object-fit:cover;}
.brand .dot{color:var(--teal);}
.brand-logo{height:100px;width:auto;display:block;}
.brand-logo--dark{display:none;}
.nav.solid .brand-logo--light{display:none;}
.nav.solid .brand-logo--dark{display:block;}
.foot-brand .brand-logo{height:46px;}
.foot-brand .brand-logo--light{display:block;}
.foot-brand .brand-logo--dark{display:none;}
.nav-links{display:flex;gap:6px;margin-left:8px;}
.nav-links a{font-size:14.5px;font-weight:600;color:rgba(255,255,255,.82);padding:8px 14px;border-radius:9px;transition:color .2s,background .2s;}
.nav.solid .nav-links a{color:var(--ink-2);}
.nav-links a:hover{background:rgba(255,255,255,.1);color:#fff;}
.nav.solid .nav-links a:hover{background:var(--bg-soft);color:var(--violet);}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-login{font-size:14.5px;font-weight:700;color:#fff;transition:color .3s;}
.nav.solid .nav-login{color:var(--ink);}
.nav-login:hover{color:var(--teal);}
.nav.solid .nav-login:hover{color:var(--violet);}
.nav-burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:#fff;font-size:22px;cursor:pointer;padding:0;margin-left:auto;}
.nav.solid .nav-burger{background:var(--bg-soft);border-color:var(--border);color:var(--ink);}
.nav-burger i{line-height:1;}

/* ===================== HERO ===================== */
.hero{position:relative;background:var(--hero-bg);color:#fff;overflow:hidden;padding:150px 0 90px;}
.hero .glow{position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none;}
.hero .g1{width:620px;height:620px;background:radial-gradient(circle,rgba(109,79,196,.5),transparent 62%);top:-220px;right:-160px;}
.hero .g2{width:540px;height:540px;background:radial-gradient(circle,rgba(31,174,143,.34),transparent 62%);bottom:-260px;left:-160px;}
.hero .motif{position:absolute;border:2px solid rgba(255,255,255,.07);border-radius:30px;transform:rotate(45deg);pointer-events:none;}
.hero .mo1{width:380px;height:380px;right:8%;top:-120px;}
.hero .mo2{width:230px;height:230px;right:20%;top:-40px;border-color:rgba(255,255,255,.05);}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;}
.hero-eyebrow{color:rgba(255,255,255,.85);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:8px 16px;border-radius:30px;}
.hero-eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(31,174,143,.6);animation:pulse 2.4s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,174,143,.55);}70%{box-shadow:0 0 0 9px rgba(31,174,143,0);}100%{box-shadow:0 0 0 0 rgba(31,174,143,0);}}
.hero h1{font-size:55px;line-height:1.07;font-weight:800;margin:24px 0 0;}
.hero h1 .accent{background:linear-gradient(100deg,#b9a6f5,#5fe0c0);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:18.5px;line-height:1.6;color:rgba(255,255,255,.82);margin:22px 0 0;max-width:540px;}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-trust{display:flex;align-items:center;gap:22px;margin-top:38px;flex-wrap:wrap;color:rgba(255,255,255,.66);font-size:13px;font-weight:600;}
.hero-trust .it{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{font-size:18px;color:var(--teal);}
.hero-trust .div{width:1px;height:18px;background:rgba(255,255,255,.18);}

/* hero product mockup */
.mock{position:relative;}
.mock-win{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid rgba(255,255,255,.5);transform:perspective(1600px) rotateY(-13deg) rotateX(5deg);transform-origin:center;}
.mock-bar{height:38px;background:#f4f5f8;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:7px;padding:0 14px;}
.mock-bar .d{width:11px;height:11px;border-radius:50%;}
.mock-body{display:flex;height:330px;}
.mock-sb{width:62px;background:var(--hero-bg);flex-shrink:0;padding:14px 10px;display:flex;flex-direction:column;gap:9px;}
.mock-sb .logo{width:26px;height:26px;border-radius:8px;background:#fff;margin:0 auto 6px;}
.mock-sb .li{height:9px;border-radius:5px;background:rgba(255,255,255,.14);}
.mock-sb .li.on{background:var(--grad);}
.mock-main{flex:1;padding:14px;background:#f7f7fb;display:flex;flex-direction:column;gap:11px;min-width:0;}
.mock-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;}
.mock-kpi{background:#fff;border:1px solid var(--border);border-radius:9px;padding:9px;}
.mock-kpi .t{height:5px;width:60%;border-radius:3px;background:#e4e2ee;}
.mock-kpi .v{height:11px;width:80%;border-radius:4px;background:#cfcbe0;margin-top:7px;}
.mock-kpi .top{height:3px;border-radius:3px;margin:-9px -9px 8px;}
.mock-chart{flex:1;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;position:relative;overflow:hidden;}
.mock-chart svg{width:100%;height:100%;}
.mock-badge{position:absolute;background:#fff;border-radius:13px;box-shadow:var(--shadow);padding:11px 15px;display:flex;align-items:center;gap:11px;font-weight:700;font-size:13px;color:var(--ink);}
.mock-badge i{font-size:22px;}
.mock-badge .lab{font-size:10.5px;color:var(--muted);font-weight:600;}
.mock-badge.b-a{top:32px;left:-42px;animation:floaty 5s ease-in-out infinite;}
.mock-badge.b-b{bottom:34px;right:-36px;animation:floaty 5s ease-in-out infinite .9s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-11px);}}

/* ===================== STAT BAND ===================== */
.statband{background:var(--ink);color:#fff;}
.statband .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:46px;padding-bottom:46px;}
.stat{position:relative;padding-left:20px;}
.stat::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:3px;background:var(--grad);}
.stat .n{font-size:40px;font-weight:800;letter-spacing:-.03em;line-height:1;}
.stat .l{color:rgba(255,255,255,.62);font-size:13.5px;font-weight:600;margin-top:9px;}

/* ===================== SECTIONS ===================== */
section.block{padding:96px 0;}
.sec-head{text-align:center;max-width:680px;margin:0 auto 56px;}
.sec-head h2{font-size:40px;font-weight:800;margin:18px 0 0;line-height:1.12;}
.sec-head p{font-size:17.5px;color:var(--muted);margin:16px 0 0;}

/* modules */
.bg-soft{background:var(--bg-soft);}
.filterbar{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-bottom:40px;}
.fchip{font:inherit;font-size:13.5px;font-weight:700;border:1.5px solid var(--border-2);background:#fff;color:var(--ink-2);padding:9px 18px;border-radius:30px;cursor:pointer;transition:all .16s;}
.fchip:hover{border-color:var(--violet);color:var(--violet);}
.fchip.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(109,79,196,.26);}
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:980px){.mod-grid{grid-template-columns:repeat(2,1fr);}}
.mod{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:24px;cursor:pointer;position:relative;overflow:hidden;
  transition:transform .2s,box-shadow .2s,border-color .2s;}
.mod::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s;}
.mod:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent;}
.mod:hover::after{transform:scaleX(1);}
.mod .ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:24px;margin-bottom:16px;
  background:var(--bg-soft-2);color:var(--violet);transition:background .25s,color .25s;}
.mod:hover .ic{background:var(--grad);color:#fff;}
.mod h3{font-size:17px;font-weight:800;}
.mod .cat{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-top:3px;}
.mod p{font-size:14px;color:var(--muted);margin:11px 0 0;line-height:1.55;}
.mod .more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--violet);opacity:0;transform:translateX(-6px);transition:all .22s;}
.mod:hover .more{opacity:1;transform:none;}
.mod.hide{display:none;}

/* feature split (Industria 4.0) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.feat-list{display:flex;flex-direction:column;gap:20px;margin-top:30px;}
.feat{display:flex;gap:16px;}
.feat .fi{width:46px;height:46px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;font-size:23px;background:var(--bg-soft-2);color:var(--violet);}
.feat h4{margin:0;font-size:16.5px;font-weight:800;}
.feat p{margin:4px 0 0;font-size:14.5px;color:var(--muted);}
.feat-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--hero-bg);min-height:420px;padding:30px;color:#fff;box-shadow:var(--shadow-lg);}
.fv-glow{position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(31,174,143,.4),transparent 62%);bottom:-120px;right:-100px;filter:blur(8px);}
.energy-card{position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:20px;backdrop-filter:blur(6px);}
.energy-card+.energy-card{margin-top:16px;}
.energy-card .eh{display:flex;align-items:center;gap:11px;}
.energy-card .eh .ei{width:38px;height:38px;border-radius:10px;background:var(--grad);display:grid;place-items:center;font-size:19px;}
.energy-card .eh .et{font-weight:700;font-size:14.5px;}
.energy-card .eh .es{margin-left:auto;font-weight:800;font-size:18px;}
.bars{display:flex;align-items:flex-end;gap:6px;height:64px;margin-top:16px;}
.bars span{flex:1;border-radius:4px 4px 0 0;background:linear-gradient(to top,rgba(31,174,143,.4),var(--teal));}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.pill{font-size:12px;font-weight:700;padding:6px 13px;border-radius:30px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px;}
.step{position:relative;padding-top:8px;}
.step .num{width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:18px;display:grid;place-items:center;box-shadow:var(--shadow-violet);}
.step h4{font-size:17px;font-weight:800;margin:18px 0 0;}
.step p{font-size:14px;color:var(--muted);margin:8px 0 0;}
.video-wrap{margin-top:60px;position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--hero-bg);aspect-ratio:16/7;display:grid;place-items:center;}
.video-wrap .vg1{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(109,79,196,.45),transparent 62%);top:-180px;left:-120px;filter:blur(8px);}
.video-wrap .vg2{position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(31,174,143,.35),transparent 62%);bottom:-180px;right:-120px;filter:blur(8px);}
.play{position:relative;width:84px;height:84px;border-radius:50%;background:rgba(255,255,255,.95);display:grid;place-items:center;cursor:pointer;box-shadow:0 12px 40px rgba(0,0,0,.3);transition:transform .2s;}
.play:hover{transform:scale(1.07);}
.play i{font-size:36px;color:var(--violet);margin-left:4px;}
.play::before{content:"";position:absolute;inset:-12px;border-radius:50%;border:2px solid rgba(255,255,255,.4);animation:ring 2.4s infinite;}
@keyframes ring{0%{transform:scale(1);opacity:1;}100%{transform:scale(1.35);opacity:0;}}
.video-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:#fff;font-weight:700;font-size:15px;letter-spacing:.01em;}

/* final CTA */
.cta-band{position:relative;background:var(--hero-bg);color:#fff;border-radius:var(--r-lg);overflow:hidden;padding:70px 50px;text-align:center;box-shadow:var(--shadow-lg);}
.cta-band .cg{position:absolute;width:560px;height:560px;border-radius:50%;filter:blur(8px);}
.cta-band .cg1{background:radial-gradient(circle,rgba(109,79,196,.5),transparent 62%);top:-260px;left:-120px;}
.cta-band .cg2{background:radial-gradient(circle,rgba(31,174,143,.42),transparent 62%);bottom:-280px;right:-120px;}
.cta-band h2{position:relative;font-size:42px;font-weight:800;}
.cta-band p{position:relative;font-size:18px;color:rgba(255,255,255,.82);margin:16px auto 0;max-width:540px;}
.cta-band .hero-cta{position:relative;justify-content:center;margin-top:34px;}

/* footer */
.footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 32px;}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-brand .brand{color:#fff;margin-bottom:18px;}
.foot-brand p{font-size:14px;max-width:300px;}
.foot-iso{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:12px;font-weight:700;color:rgba(255,255,255,.8);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);padding:8px 13px;border-radius:10px;}
.foot-col h5{color:#fff;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin:0 0 16px;}
.foot-col a{display:block;font-size:14px;padding:5px 0;transition:color .2s;}
.foot-col a:hover{color:var(--teal);}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:26px;font-size:13px;flex-wrap:wrap;}
.foot-social{display:flex;gap:10px;}
.foot-social a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:18px;transition:background .2s;}
.foot-social a:hover{background:var(--grad);color:#fff;}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;} .reveal.d2{transition-delay:.16s;} .reveal.d3{transition-delay:.24s;}

/* responsive */
@media (max-width:980px){
  .hero-grid,.split{grid-template-columns:1fr;gap:40px;}
  .mock-win{transform:none;}
  .hero h1{font-size:42px;}
  .statband .wrap{grid-template-columns:repeat(2,1fr);gap:28px;}
  .steps{grid-template-columns:1fr 1fr;}
  .foot-top{grid-template-columns:1fr 1fr;}
  .mock-badge.b-a{left:6px;} .mock-badge.b-b{right:6px;}
  .nav-inner{padding:10px 18px;gap:12px;flex-wrap:wrap;}
  .brand-logo{height:56px;}
  .foot-brand .brand-logo{height:42px;}
  .nav-burger{display:inline-flex;}
  .nav-links,.nav-cta{display:none;flex-basis:100%;margin:0;}
  .nav.open{background:var(--ink);}
  .nav.open.solid{background:#fff;}
  .nav.open .nav-links{display:flex;flex-direction:column;gap:2px;padding:8px 0 4px;border-top:1px solid rgba(255,255,255,.08);}
  .nav.open.solid .nav-links{border-top-color:var(--border);}
  .nav.open .nav-links a{padding:13px 14px;border-radius:9px;font-size:16px;color:rgba(255,255,255,.9);}
  .nav.open.solid .nav-links a{color:var(--ink-2);}
  .nav.open .nav-cta{display:flex;flex-direction:column;gap:10px;padding:6px 0 14px;}
  .nav.open .nav-cta a{width:100%;justify-content:center;text-align:center;}
  .nav.open .nav-cta .nav-login{padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.9);}
  .nav.open.solid .nav-cta .nav-login{border-color:var(--border);color:var(--ink);}
}
@media (max-width:620px){
  .hero{padding:128px 0 70px;}
  .hero h1{font-size:34px;}
  .sec-head h2,.cta-band h2{font-size:30px;}
  .mod-grid{grid-template-columns:1fr;}
  .statband .wrap,.steps,.foot-top{grid-template-columns:1fr;}
  section.block{padding:70px 0;}
  .cta-band{padding:50px 24px;}
}