/* ==========================================================================
   Kelaket Film — modern landing page styles
   Self-hosted fonts, no framework. CSS variables + fluid layout.
   ========================================================================== */

/* ---- Fonts (self-hosted, already on disk) ---- */
@font-face{font-family:"dana";src:url("../fonts/woff2/dana-fanum-thin.woff2") format("woff2"),url("../fonts/woff/dana-fanum-thin.woff") format("woff");font-weight:100;font-display:swap}
@font-face{font-family:"dana";src:url("../fonts/woff2/dana-fanum-light.woff2") format("woff2"),url("../fonts/woff/dana-fanum-light.woff") format("woff");font-weight:300;font-display:swap}
@font-face{font-family:"dana";src:url("../fonts/woff2/dana-fanum-regular.woff2") format("woff2"),url("../fonts/woff/dana-fanum-regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"dana";src:url("../fonts/woff2/dana-fanum-medium.woff2") format("woff2"),url("../fonts/woff/dana-fanum-medium.woff") format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"dana";src:url("../fonts/woff2/dana-fanum-demibold.woff2") format("woff2"),url("../fonts/woff/dana-fanum-demibold.woff") format("woff");font-weight:600;font-display:swap}
@font-face{font-family:"dana";src:url("../fonts/woff2/dana-fanum-bold.woff2") format("woff2"),url("../fonts/woff/dana-fanum-bold.woff") format("woff");font-weight:700;font-display:swap}

/* ---- Design tokens ---- */
:root{
  --primary:#3f51b5;
  --primary-light:#7885e0;
  --primary-dark:#2c3a8c;
  --accent:#1c2570;
  --sky:#38bdf8;
  --sky-light:#7dd3fc;

  --bg:#08090f;
  --bg-elev:#12141f;
  --bg-elev-2:#181a29;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);

  --text:#f2f3fa;
  --text-muted:#9a9fbb;
  --text-faint:#666b8c;

  --radius-sm:10px;
  --radius:18px;
  --radius-lg:28px;

  --shadow:0 20px 60px -20px rgba(0,0,0,.6);
  --shadow-glow:0 0 0 1px rgba(63,81,181,.28),0 20px 60px -18px rgba(63,81,181,.5);

  --container:1220px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"dana",Tahoma,sans-serif;
  font-weight:400;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul{margin:0}
ul{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--primary);color:#fff}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg-elev-2);border-radius:10px}

/* background ambience */
.bg-glow{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg-glow::before,.bg-glow::after{
  content:"";position:absolute;width:60vw;height:60vw;border-radius:50%;
  opacity:.28;
}
.bg-glow::before{background:radial-gradient(circle,var(--primary) 0%,rgba(63,81,181,0) 70%);top:-20vw;inset-inline-end:-15vw}
.bg-glow::after{background:radial-gradient(circle,var(--sky) 0%,rgba(56,189,248,0) 70%);bottom:-25vw;inset-inline-start:-20vw;opacity:.12}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:100px;font-size:15px;font-weight:500;
  border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;box-shadow:0 12px 30px -10px rgba(63,81,181,.6);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -8px rgba(63,81,181,.75)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--border-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--primary-light)}
.btn-block{width:100%}

/* ---- Header ---- */
.site-header{
  position:fixed;inset-inline:0;top:0;z-index:100;
  padding:16px 0;
  background:rgba(8,9,15,.55);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:background .3s ease;
}
.site-header.scrolled{background:rgba(8,9,15,.85)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--sky));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
}
.nav{display:flex;align-items:center;gap:24px}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:15px;color:var(--text-muted);transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-head,.nav-cta{display:none}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border-strong);
  background:rgba(255,255,255,.04);align-items:center;justify-content:center;flex:none;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--text);position:relative;transition:transform .25s,opacity .25s;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(4,5,10,.65);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .3s;z-index:140;
}
.nav-overlay.open{opacity:1;pointer-events:auto}

/* ---- Hero ---- */
.hero{padding:170px 0 90px;position:relative}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:100px;
  font-size:13px;color:var(--sky-light);background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.3);margin-bottom:22px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 3px rgba(56,189,248,.25)}
.hero h1{font-size:clamp(36px,5vw,64px);font-weight:700;line-height:1.2;letter-spacing:-.5px;margin-bottom:22px}
.hero h1 span{background:linear-gradient(135deg,var(--primary-light),var(--sky));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:19px;font-weight:600;color:var(--text);margin-bottom:14px}
.hero p.sub{font-size:16px;color:var(--text-muted);max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:12px}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap}
.hero-meta .item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-muted)}
.hero-meta .item svg{flex:none;color:var(--sky-light)}

.hero-visual{position:relative;display:flex;justify-content:center}
.hero-visual .glow{
  position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,81,181,.55),transparent 70%);
  filter:blur(30px);z-index:0;
}
.browser-frame{
  position:relative;z-index:1;width:min(420px,88vw);border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-glow);border:1px solid var(--border-strong);
  background:var(--bg-elev);animation:float 6s ease-in-out infinite;
}
.browser-frame .browser-bar{
  display:flex;align-items:center;gap:6px;padding:12px 14px;background:var(--bg-elev-2);
  border-bottom:1px solid var(--border);
}
.browser-frame .browser-bar span{width:10px;height:10px;border-radius:50%;background:var(--border-strong)}
.browser-frame .browser-bar span:nth-child(1){background:#ff5f57}
.browser-frame .browser-bar span:nth-child(2){background:#febc2e}
.browser-frame .browser-bar span:nth-child(3){background:#28c840}
.browser-frame img{width:100%;height:auto;display:block}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@media (prefers-reduced-motion:reduce){.browser-frame{animation:none}}

/* ---- Section shell ---- */
section{padding:110px 0}
.section-head{max-width:640px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;margin-bottom:16px;letter-spacing:-.3px}
.section-head p{color:var(--text-muted);font-size:16px}
.tag{
  display:inline-block;font-size:13px;color:var(--sky-light);background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.3);padding:6px 14px;border-radius:100px;margin-bottom:16px;
}

/* ---- Trust strip (3-col) ---- */
.trust-section{padding-top:0;margin-top:-70px;position:relative;z-index:2}
.trust-panel{
  background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:50px 40px;
}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.trust-item{text-align:center}
.trust-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;
  background:rgba(63,81,181,.16);border:1px solid rgba(63,81,181,.4);color:var(--sky-light);font-size:22px;
}
.trust-item h4{font-size:17px;font-weight:700;margin-bottom:12px}
.trust-item p{color:var(--text-muted);font-size:14.5px}

/* ---- Feature grid ---- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  padding:30px 24px;border-radius:var(--radius);background:var(--bg-elev);
  border:1px solid var(--border);transition:transform .3s var(--ease),border-color .3s,background .3s;text-align:center;
}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(63,81,181,.4);background:var(--bg-elev-2)}
.feature-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(63,81,181,.25),rgba(56,189,248,.18));margin:0 auto 20px;
  color:var(--sky-light);font-size:20px;
}
.feature-card h3{font-size:16.5px;font-weight:700;margin-bottom:12px}
.feature-card p{color:var(--text-muted);font-size:14px;line-height:1.85}

/* ---- Story (alternating image/text) ---- */
.story-section{padding-top:0}
.story{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.story.reverse .story-media{order:2}
.story.reverse .story-copy{order:1}
.story-media{position:relative;display:flex;justify-content:center}
.story-media .orbit{
  position:relative;width:280px;height:280px;border-radius:50%;
  border:1px dashed var(--border-strong);display:flex;align-items:center;justify-content:center;
}
.story-media .orbit-core{
  width:104px;height:104px;border-radius:28px;
  background:linear-gradient(135deg,var(--primary),var(--sky));
  display:flex;align-items:center;justify-content:center;font-size:2.4rem;color:#fff;
  box-shadow:var(--shadow-glow);
}
.story-media .orbit-icon{
  position:absolute;width:58px;height:58px;border-radius:16px;background:var(--bg-elev-2);
  border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;
  color:var(--sky-light);font-size:1.3rem;
}
.story-media .orbit-icon:nth-child(1){top:-30px;left:50%;transform:translateX(-50%)}
.story-media .orbit-icon:nth-child(2){bottom:-30px;left:50%;transform:translateX(-50%)}
.story-media .orbit-icon:nth-child(3){left:-30px;top:50%;transform:translateY(-50%)}
.story-media .orbit-icon:nth-child(4){right:-30px;top:50%;transform:translateY(-50%)}

.story-icon{
  width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;margin-bottom:24px;box-shadow:0 12px 30px -10px rgba(63,81,181,.6);
  color:#fff;font-size:1.4rem;
}
.story-copy h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:22px;letter-spacing:-.3px}
.story-list{display:flex;flex-direction:column;gap:18px}
.story-list li{display:flex;gap:14px;align-items:flex-start}
.story-list .check{
  flex:none;width:26px;height:26px;border-radius:50%;background:rgba(56,189,248,.14);
  color:var(--sky);display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px;
}
.story-list h5{font-size:16px;font-weight:700;margin-bottom:6px}
.story-list p{color:var(--text-muted);font-size:14.5px;margin:0}

/* ---- Demo grid ---- */
.demo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px}
.demo-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--bg-elev);border:1px solid var(--border);
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
.demo-card:hover{transform:translateY(-8px);border-color:rgba(63,81,181,.45);box-shadow:var(--shadow-glow)}
.demo-banner{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg-elev-2)}
.demo-banner img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.demo-card:hover .demo-banner img{transform:scale(1.08)}
.demo-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,9,15,0) 45%,rgba(8,9,15,.9) 100%);
}
.demo-banner .play{
  position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%) scale(.6);
  width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--sky));
  color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;
  transition:opacity .3s ease,transform .3s ease;
}
.demo-card:hover .demo-banner .play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.demo-name{
  padding:14px 12px;text-align:center;font-size:13.5px;font-weight:600;color:var(--text);
  border-top:1px solid var(--border);
}
.demo-card:hover .demo-name{color:var(--sky-light)}

/* ---- Other products ---- */
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.product-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--bg-elev);border:1px solid var(--border);
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
.product-card:hover{transform:translateY(-8px);border-color:rgba(63,81,181,.45);box-shadow:var(--shadow-glow)}

.product-banner{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev-2)}
.product-photo{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s var(--ease)}
.product-card:hover .product-photo{transform:scale(1.08)}

.product-badge{
  position:absolute;top:14px;inset-inline-start:14px;font-size:11px;padding:5px 12px;border-radius:100px;z-index:2;
  background:rgba(8,9,15,.55);backdrop-filter:blur(6px);color:#fff;border:1px solid rgba(255,255,255,.18);
}

.product-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-cat{font-size:12.5px;color:var(--sky-light)}
.product-body h3{font-size:17px;font-weight:700;line-height:1.6}
.product-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.product-cta{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--text);font-weight:500}
.product-card:hover .product-cta{color:var(--sky-light)}
.product-cta svg{transition:transform .3s var(--ease);transform:rotate(180deg)}
.product-card:hover .product-cta svg{transform:translateX(-4px) rotate(180deg)}
.product-stats{display:flex;gap:8px;flex-wrap:wrap}
.stat-chip{
  display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--text-faint);
  background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px;padding:6px 10px;min-width:46px;
}
.stat-chip b{font-size:13px;color:var(--text);font-weight:700}

/* ---- Final CTA ---- */
.cta-panel{
  border-radius:var(--radius-lg);padding:60px 40px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--primary-dark),var(--bg-elev) 60%);
  border:1px solid rgba(63,81,181,.35);
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 20%,rgba(56,189,248,.25),transparent 55%);
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel-text{flex:1;min-width:260px}
.cta-panel h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;margin-bottom:12px;letter-spacing:-.3px;color:var(--sky-light)}
.cta-panel p{color:var(--text-muted);font-size:15px;margin:0}

/* ---- FAQ ---- */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:none;border:none;color:var(--text);
  font-family:inherit;font-size:16px;font-weight:500;text-align:right;cursor:pointer;
}
.faq-question span{flex:1}
.faq-question svg{flex:none;color:var(--sky-light);transition:transform .3s var(--ease)}
.faq-item.open .faq-question svg{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-answer p{margin:0;padding:0 4px 22px;color:var(--text-muted);font-size:14.5px;line-height:1.9}

/* ---- Footer ---- */
.site-footer{border-top:1px solid var(--border);padding:50px 0 30px}
.footer-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:34px}
.footer-links{display:flex;gap:26px;flex-wrap:wrap}
.footer-links a{font-size:14.5px;color:var(--text-muted);transition:color .2s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--text-faint);font-size:13px;border-top:1px solid var(--border);padding-top:24px}

/* ---- Back to top ---- */
.back-to-top{
  position:fixed;inset-inline-end:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--bg-elev-2);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;
  color:var(--text);opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s,transform .3s;z-index:80;
}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{border-color:var(--primary-light)}

/* ---- Reveal-on-scroll ---- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- Responsive ---- */
@media (max-width:1100px){
  .nav{
    position:fixed;top:0;right:0;bottom:0;height:100vh;
    width:min(320px,84vw);background:var(--bg-elev);
    border-inline-start:1px solid var(--border);
    box-shadow:-24px 0 60px -20px rgba(0,0,0,.65);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:20px;gap:0;
    transform:translateX(100%);transition:transform .35s var(--ease);
    overflow-y:auto;z-index:150;
  }
  .nav.open{transform:translateX(0)}
  .nav-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:16px;margin-bottom:12px;border-bottom:1px solid var(--border);
  }
  .nav-title{font-weight:700;font-size:16px;color:var(--text-muted)}
  .nav-close{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--border-strong);
    background:rgba(255,255,255,.04);color:var(--text);display:flex;align-items:center;justify-content:center;
  }
  .nav-close:hover{border-color:var(--primary-light);color:var(--primary-light)}
  .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:4px;font-size:16px}
  .nav-links a{padding:14px 10px;border-radius:10px;transition:background .2s,color .2s}
  .nav-links a:hover,.nav-links a.active{background:rgba(63,81,181,.14);color:var(--text)}
  .nav-cta{
    display:flex;flex-direction:column;gap:10px;margin-top:auto;
    padding-top:18px;border-top:1px solid var(--border);
  }
  .nav-toggle{display:flex}
  .header-cta .btn{display:none}

  .hero{padding-top:130px}
  .hero .container{grid-template-columns:1fr;text-align:center}
  .hero p.sub{margin-inline:auto}
  .hero-actions,.hero-meta{justify-content:center}
  .hero-visual{order:-1;margin-bottom:10px}

  .trust-grid{grid-template-columns:1fr;gap:28px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .story,.story.reverse{grid-template-columns:1fr}
  .story.reverse .story-media,.story.reverse .story-copy{order:initial}
  .story-copy{text-align:center}
  .story-list{text-align:right}
  .story-icon{margin-inline:auto}
  .cta-panel{flex-direction:column;text-align:center}
}
@media (max-width:640px){
  .feature-grid{grid-template-columns:1fr}
  .demo-grid{grid-template-columns:repeat(2,1fr)}
  section{padding:80px 0}
  .trust-panel{padding:34px 24px}
  .footer-top{flex-direction:column;align-items:flex-start}
}