/* =========================================================
   chAIptering — landing page
   ========================================================= */

:root{
  --navy-950:#04102a;
  --navy-900:#071a3d;
  --navy-800:#0a2350;
  --navy-700:#0f3070;
  --blue:#1f7aec;
  --blue-600:#1668d6;
  --blue-400:#4da3ff;
  --sky:#8cc9ff;
  --ink:#0d1a33;
  --ink-2:#31425f;
  --muted:#65788f;
  --line:#e2eaf4;
  --bg-soft:#f4f8fd;
  --bg-soft-2:#eaf2fb;
  --white:#fff;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(13,26,51,.06);
  --shadow:0 18px 50px rgba(9,26,59,.12);
  --shadow-lg:0 30px 80px rgba(3,14,38,.45);
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:90px}

body{
  margin:0;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,p,ul,figure,blockquote{margin:0}
ul{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}

.sprite{position:absolute;width:0;height:0;overflow:hidden}
.sprite symbol{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.ico{width:1em;height:1em;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- type helpers ---------- */
h1{font-size:clamp(34px,3.7vw,50px);line-height:1.05;letter-spacing:-.025em;font-weight:800}
h2{font-size:clamp(26px,3.1vw,38px);line-height:1.16;letter-spacing:-.02em;font-weight:800}
h3{font-size:17px;line-height:1.3;font-weight:700;letter-spacing:-.01em}

.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.eyebrow-light{color:#b9d6ff}
.center{text-align:center}
h2.center{margin-inline:auto;max-width:760px}

.grad{
  background:linear-gradient(95deg,#59a8ff 0%,#8fd0ff 55%,#a9dcff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:-.01em;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn .ico{width:17px;height:17px}
.btn-primary{
  background:linear-gradient(180deg,#3b8cf5,#1a6fe0);
  color:#fff;box-shadow:0 10px 24px rgba(26,111,224,.35);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(26,111,224,.45)}
.btn-ghost{
  background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.btn-sm{padding:11px 22px;font-size:14px}
.btn-block{width:100%}

/* =========================================================
   header
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;
  transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header.is-stuck{
  background:rgba(7,26,61,.88);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.08),0 12px 30px rgba(3,14,38,.28);
}
.header-inner{display:flex;align-items:center;gap:20px;height:78px}

.brand{display:inline-flex;align-items:center;gap:11px}
.brand-mark{
  width:40px;height:40px;border-radius:50%;flex:none;
  background:
    radial-gradient(circle at 70% 30%, #4aa8ff 0%, transparent 55%),
    conic-gradient(from 210deg,#7b4bff,#2f7bff 42%,#22d3ee 68%,#7b4bff);
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(47,123,255,.45), inset 0 0 0 3px rgba(255,255,255,.14);
}
.brand-mark svg{width:17px;height:17px;margin-left:2px}
.brand-name{
  font-size:25px;font-weight:700;letter-spacing:-.03em;color:#fff;
}
.brand-name em{
  font-style:normal;
  background:linear-gradient(92deg,#4aa3ff,#8ad2ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.nav{display:flex;gap:30px;margin-inline:auto}
.nav a{
  font-size:14.5px;font-weight:500;color:rgba(255,255,255,.84);
  padding:6px 0;position:relative;transition:color .18s ease;
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;
  background:linear-gradient(90deg,#4aa3ff,#8ad2ff);transition:right .25s ease;
}
.nav a:hover{color:#fff}
.nav a:hover::after{right:0}

.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);border-radius:10px;padding:0;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.nav-toggle span{width:17px;height:1.7px;background:#fff;border-radius:2px}

/* =========================================================
   hero
   ========================================================= */
.hero{
  position:relative;margin-top:-78px;padding:78px 0 74px;
  background:
    radial-gradient(1000px 520px at 74% 6%, rgba(56,132,255,.42), transparent 62%),
    radial-gradient(760px 480px at 4% 78%, rgba(29,85,200,.32), transparent 62%),
    linear-gradient(165deg,#061738 0%,#0a2350 46%,#0d2c66 100%);
  color:#fff;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:120px;
  background:linear-gradient(180deg,transparent,rgba(4,16,42,.35));pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:46px;align-items:start;padding-top:34px;
}
.hero-copy{padding-top:14px}
.hero-copy h1{margin-bottom:20px}
.hero-sub{font-size:16.5px;line-height:1.62;color:#c6d8f2;max-width:460px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 42px}

.hero-feats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;max-width:520px}
.hero-feats li{display:flex;flex-direction:column;gap:5px}
.hero-feats .ico{width:24px;height:24px;color:#dbe9ff;margin-bottom:5px;stroke-width:1.5}
.hero-feats strong{font-size:13.5px;font-weight:600;color:#fff;letter-spacing:-.01em}
.hero-feats span{font-size:12px;color:#8fb0da;line-height:1.35}

/* ---------- mock player ---------- */
.hero-demo{position:relative}
.player{
  background:linear-gradient(170deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:12px;box-shadow:var(--shadow-lg);
  backdrop-filter:blur(6px);
}
.player-top{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:10px}

.screen{
  position:relative;border-radius:12px;overflow:hidden;background:#04102a;
  aspect-ratio:16/9.6;
}
.hd{
  position:absolute;top:10px;right:12px;z-index:4;
  font-size:10px;font-weight:700;letter-spacing:.08em;color:#fff;
  background:rgba(4,16,42,.55);border:1px solid rgba(255,255,255,.28);
  padding:2px 7px;border-radius:5px;
}

/* --- CSS-drawn "news studio" scene --- */
.scene{position:absolute;inset:0;overflow:hidden}
.scene-news{background:linear-gradient(180deg,#071634 0%,#0b2350 60%,#071c42 100%)}
.scene-news .scene-wall{
  position:absolute;left:34%;right:2%;top:8%;height:62%;border-radius:8px;
  background:
    linear-gradient(200deg,rgba(255,255,255,.14),transparent 55%),
    linear-gradient(160deg,#1668d6 0%,#0c3f96 45%,#082a6d 100%);
  box-shadow:0 0 40px rgba(38,122,255,.5);
}
.scene-news .cube{
  position:absolute;left:16%;top:20%;width:34%;aspect-ratio:1;
  background:linear-gradient(145deg,rgba(255,255,255,.85),rgba(140,201,255,.35));
  transform:rotate(14deg) skewY(-8deg);border-radius:4px;
  box-shadow:0 0 26px rgba(255,255,255,.4);opacity:.85;
}
.scene-news .scene-city{
  position:absolute;left:0;right:0;bottom:22%;height:26%;
  background:
    repeating-linear-gradient(90deg,
      rgba(150,205,255,.5) 0 2px, transparent 2px 7px),
    linear-gradient(180deg,transparent,rgba(6,22,52,.9));
  opacity:.55;mask-image:linear-gradient(180deg,transparent,#000 60%);
}
.scene-news .anchor{position:absolute;left:8%;bottom:0;width:30%;height:78%}
.scene-news .anchor .head{
  position:absolute;left:50%;top:6%;width:44%;aspect-ratio:.82;transform:translateX(-50%);
  border-radius:50% 50% 46% 46%;
  background:linear-gradient(180deg,#f0cdb0,#d9a984);
  box-shadow:0 0 0 6px rgba(20,18,30,.9);
}
.scene-news .anchor .body{
  position:absolute;left:50%;bottom:0;width:112%;height:58%;transform:translateX(-50%);
  border-radius:44% 44% 10px 10px;
  background:linear-gradient(180deg,#2a3757,#121c34);
  box-shadow:inset 0 6px 14px rgba(255,255,255,.09);
}
.scene-news .anchor .body::before{ /* shirt */
  content:"";position:absolute;left:50%;top:4%;width:30%;height:62%;transform:translateX(-50%);
  background:linear-gradient(180deg,#f2f6fc,#c6d2e6);
  clip-path:polygon(0 0,100% 0,50% 100%);
}
.scene-news .scene-desk{
  position:absolute;left:0;right:0;bottom:0;height:14%;
  background:linear-gradient(180deg,rgba(24,86,190,.85),rgba(9,32,80,.95));
}

.subtitle{
  position:absolute;left:6%;right:6%;bottom:32%;z-index:3;text-align:center;
  font-size:10.5px;line-height:1.5;font-weight:600;color:#fff;
  text-shadow:0 2px 6px rgba(0,0,0,.85);
}

.timeline{position:absolute;left:10px;right:10px;bottom:30px;z-index:4;display:flex;align-items:center;gap:8px}
.timeline .t{font-size:10px;font-weight:600;color:#dbe9ff;flex:none}
.track{position:relative;flex:1;height:7px;display:flex;gap:2px}
.track .seg{width:var(--w);height:100%;background:rgba(255,255,255,.3);border-radius:3px}
.track .played{
  position:absolute;left:0;top:0;height:100%;width:24%;border-radius:3px;
  background:linear-gradient(90deg,#4aa3ff,#8ad2ff);
}
.track .knob{
  position:absolute;left:24%;top:50%;width:11px;height:11px;border-radius:50%;
  background:#fff;transform:translate(-50%,-50%);box-shadow:0 0 0 3px rgba(74,163,255,.45);
}
.track .flag{
  position:absolute;left:19%;top:-17px;font-size:8px;font-weight:800;letter-spacing:.06em;
  color:#fff;background:#e03030;padding:2px 5px;border-radius:3px;
}
.controls{
  position:absolute;left:10px;right:10px;bottom:8px;z-index:4;
  display:flex;align-items:center;gap:12px;color:#e6f0ff;
}
.controls .ico{width:14px;height:14px}
.controls .spacer{flex:1}
.controls .watermark{font-size:10px;font-weight:700;color:rgba(255,255,255,.7);letter-spacing:.02em}

/* --- chapter rail --- */
.chapters{
  background:rgba(6,20,48,.55);border:1px solid rgba(255,255,255,.1);
  border-radius:12px;padding:6px;overflow:hidden;
}
.chapters ul{display:flex;flex-direction:column;gap:4px}
.chapters li{display:flex;gap:8px;padding:7px;border-radius:9px;border:1px solid transparent}
.chapters li.is-active{
  background:rgba(38,122,255,.22);border-color:rgba(122,186,255,.55);
  box-shadow:0 0 0 1px rgba(122,186,255,.25) inset;
}
.ch-t{font-size:10.5px;font-weight:600;line-height:1.3;color:#eaf2ff}
.ch-s{font-size:9.5px;color:#7fa6d6;margin-top:3px;font-weight:500}

.thumb{
  width:40px;height:26px;border-radius:5px;flex:none;display:block;
  background:linear-gradient(150deg,#12448f,#071c42);
}
.th-a{background:
  radial-gradient(circle at 30% 60%,rgba(255,255,255,.45),transparent 45%),
  linear-gradient(150deg,#1b56b4,#08204d)}
.th-b{background:
  radial-gradient(circle at 65% 45%,rgba(140,205,255,.6),transparent 50%),
  linear-gradient(150deg,#1668d6,#06193c)}
.th-c{background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.28) 0 1px,transparent 1px 5px),
  linear-gradient(150deg,#0f3f8f,#071a3d)}
.th-d{background:
  radial-gradient(circle at 40% 35%,rgba(255,214,170,.6),transparent 45%),
  linear-gradient(150deg,#123f86,#061634)}

/* --- related articles strip --- */
.related{margin-top:10px;background:rgba(6,20,48,.45);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px}
.related-h{font-size:11px;font-weight:700;color:#bcd6f7;margin-bottom:8px}
.related-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.related-cards article{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  border-radius:9px;padding:9px;
}
.related-cards p{font-size:10px;line-height:1.4;color:#e8f0fc;font-weight:500}
.related-cards span{display:block;margin-top:7px;font-size:9px;font-weight:700;color:#5fa8f5}

.annotation{
  position:absolute;right:-118px;top:150px;width:120px;color:#9fc2ef;
  font-family:Georgia,"Times New Roman",serif;font-style:italic;
}
.annotation .arrow{width:56px;height:38px;margin-bottom:4px;color:#7fa9dd}
.annotation p{font-size:13px;line-height:1.55}
.annotation b{font-weight:400;color:#cfe2fa}

/* =========================================================
   problem
   ========================================================= */
.problem{background:var(--bg-soft);padding:74px 0}
.problem-grid{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.25fr);gap:56px;align-items:start;
}
.problem h2{margin-bottom:18px}
.lead{font-size:15px;line-height:1.7;color:var(--muted);max-width:430px}

.problem-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;padding-top:6px}
.pill-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:#e3edfb;color:var(--blue);margin-bottom:16px;
}
.pill-ico .ico{width:20px;height:20px}
.problem-list h3{margin-bottom:9px}
.problem-list p{font-size:14px;line-height:1.6;color:var(--muted)}

/* =========================================================
   features
   ========================================================= */
.features{background:var(--white);padding:80px 0}
.features h2.center{margin-bottom:48px}

.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}
.feature .num{
  font-size:26px;font-weight:800;color:var(--blue);letter-spacing:-.03em;
  margin:20px 0 6px;
}
.feature h3{font-size:19px;margin-bottom:10px}
.feature-txt{font-size:14px;line-height:1.62;color:var(--muted)}
.tag{
  display:inline-block;margin-top:16px;padding:8px 14px;border-radius:9px;
  background:#eaf2fd;color:#2a63b4;font-size:12.5px;font-weight:600;line-height:1.3;
}

.shot{
  position:relative;aspect-ratio:16/10.2;border-radius:12px;overflow:hidden;
  background:#071a3d;box-shadow:var(--shadow-sm);border:1px solid var(--line);
}
.shot-dark{background:linear-gradient(160deg,#0b2350,#061634);padding:8px;border-color:transparent}
.shot-light{background:#fff;padding:10px}
.shot .shot-sub{
  position:absolute;left:8%;right:8%;bottom:12%;z-index:3;text-align:center;
  font-size:10.5px;line-height:1.4;font-weight:600;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.85);
}

.mini-chapters{display:flex;flex-direction:column;gap:5px}
.mini-chapters li{display:flex;gap:7px;padding:6px;border-radius:8px;border:1px solid transparent}
.mini-chapters li.is-active{background:rgba(38,122,255,.24);border-color:rgba(122,186,255,.5)}
.mini-chapters p{font-size:9.5px;font-weight:600;color:#eaf2ff;line-height:1.3}
.mini-chapters span{font-size:8.5px;color:#7fa6d6;display:block;margin-top:2px}
.mini-chapters .thumb{width:34px;height:22px}

.shot-light .shot-h{font-size:10.5px;font-weight:700;color:#334a6b;margin-bottom:8px}
.mini-articles{display:flex;flex-direction:column;gap:8px}
.mini-articles li{display:flex;gap:8px;align-items:flex-start}
.mini-articles .thumb{width:38px;height:26px}
.mini-articles p{font-size:9.5px;line-height:1.4;color:#3d5375;font-weight:500}

.shot-clip .scene{inset:0 34% 0 0}
.shot-clip{background:#061634}
.clip-play{
  position:absolute;left:10%;bottom:14%;width:22px;height:22px;border-radius:50%;
  background:#e03030;color:#fff;display:grid;place-items:center;z-index:3;
}
.clip-play .ico{width:13px;height:13px}
.clip-panel{
  position:absolute;right:5%;top:8%;width:58%;background:#fff;border-radius:9px;
  padding:9px;box-shadow:0 12px 26px rgba(3,14,38,.35);z-index:3;
}
.clip-h{font-size:10.5px;font-weight:700;color:#22375a;margin-bottom:7px}
.clip-panel ul{display:flex;flex-direction:column;gap:6px}
.clip-panel li{display:flex;align-items:center;gap:6px;font-size:9px;color:#4a5f80;font-weight:500}
.clip-panel .ico{width:11px;height:11px;color:var(--blue)}

/* =========================================================
   how it works
   ========================================================= */
.how{background:var(--bg-soft);padding:78px 0}
.how h2.center{margin-bottom:46px}
.how-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:34px;align-items:start}

.steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:start}
.step-ico{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:var(--blue);
  box-shadow:var(--shadow-sm);margin-bottom:16px;
}
.step-ico .ico{width:23px;height:23px}
.step-ico-brand{
  font-size:25px;font-weight:800;letter-spacing:-.04em;color:transparent;
  background:#fff;
}
.step-ico-brand::before{
  content:"C";
  background:linear-gradient(140deg,#7b4bff,#2f7bff 55%,#22d3ee);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin-bottom:8px}
.step p{font-size:13.5px;line-height:1.6;color:var(--muted);max-width:230px}
.step-arrow{width:18px;height:18px;color:#a9bfdc;margin-top:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.players{background:#e8f1fc;border:1px solid #d5e5f7;border-radius:var(--radius);padding:22px}
.players-h{font-size:13.5px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.players ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 10px}
.players li{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#2c3f5e}
.logo{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex:none;
  font-style:normal;font-size:11px;font-weight:800;color:#fff;background:#1b2b47;
}
.logo .ico{width:13px;height:13px}
.lg-pha{background:#2f6fd0}
.lg-bit{background:#101828}
.lg-sha{background:#111}
.lg-yt{background:#ff0033}
.lg-vjs{background:#2f8fe0}
.players-note{margin-top:18px;font-size:11.5px;line-height:1.55;color:#5c7392}

/* =========================================================
   benefits
   ========================================================= */
.benefits{background:var(--white);padding:10px 0 78px}
.benefits-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.panel{background:var(--bg-soft);border:1px solid #e6eef8;border-radius:20px;padding:34px}
.panel h2{font-size:26px;margin-bottom:26px}

.benefit-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 22px}
.benefit-list li{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;column-gap:13px;row-gap:5px}
.benefit-list .b-ico{
  grid-row:1 / span 2;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
}
.benefit-list .b-ico .ico{width:18px;height:18px}
.benefit-list h3{font-size:14.5px;align-self:end}
.benefit-list p{font-size:12.8px;line-height:1.55;color:var(--muted)}

.b-violet{background:#efe7fd;color:#7b4bff}
.b-teal{background:#dff6f1;color:#12a594}
.b-blue{background:#e2edfd;color:#2f7bff}
.b-indigo{background:#e7e9fd;color:#4f5bd5}
.b-green{background:#e2f6e8;color:#18a558}
.b-amber{background:#fdefdd;color:#e08a1e}
.b-rose{background:#fde7ec;color:#e0445f}
.b-sky{background:#e0f1fd;color:#1b93d6}

/* =========================================================
   for media
   ========================================================= */
.media{background:var(--white);padding:0 0 84px}
.media h2{margin-bottom:34px}

.media-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;align-items:start}
.media-card .scene{
  position:relative;inset:auto;aspect-ratio:16/10;border-radius:12px;overflow:hidden;
  margin-bottom:16px;box-shadow:var(--shadow-sm);
}
.media-card h3{margin-bottom:8px}
.media-card p{font-size:13.5px;line-height:1.6;color:var(--muted)}

/* newsroom */
.scene-studio{background:linear-gradient(170deg,#0a2a5e,#061a3d)}
.scene-studio .wallgrid{
  position:absolute;inset:6% 4% 34% 4%;border-radius:6px;
  background:
    repeating-linear-gradient(90deg,rgba(90,175,255,.55) 0 22%,rgba(8,30,70,.9) 22% 25%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.14) 0 46%,rgba(8,30,70,.85) 46% 50%);
  box-shadow:0 0 45px rgba(50,140,255,.55);
}
.scene-studio .fig{
  position:absolute;bottom:0;width:15%;height:44%;border-radius:40% 40% 4px 4px;
  background:linear-gradient(180deg,#22304c,#0b1630);
}
.scene-studio .fig::before{
  content:"";position:absolute;left:50%;top:-38%;width:56%;aspect-ratio:.85;transform:translateX(-50%);
  border-radius:50%;background:linear-gradient(180deg,#eac5a6,#c99a75);
}
.scene-studio .f1{left:16%}
.scene-studio .f2{left:42%;height:50%}
.scene-studio .f3{left:68%}

/* talk show */
.scene-talk{background:linear-gradient(170deg,#13233f,#0a1424)}
.scene-talk .backdrop{
  position:absolute;inset:8% 6% 30% 6%;border-radius:8px;
  background:
    radial-gradient(circle at 25% 40%,rgba(255,190,120,.5),transparent 55%),
    repeating-linear-gradient(90deg,rgba(255,170,90,.35) 0 4px,transparent 4px 16px),
    linear-gradient(160deg,#2a3f66,#16243e);
}
.scene-talk .guest{
  position:absolute;bottom:6%;width:17%;height:40%;border-radius:38% 38% 6px 6px;
  background:linear-gradient(180deg,#e9edf5,#b9c3d4);
}
.scene-talk .guest::before{
  content:"";position:absolute;left:50%;top:-40%;width:52%;aspect-ratio:.85;transform:translateX(-50%);
  border-radius:50%;background:linear-gradient(180deg,#f0cdb0,#cf9f7c);
}
.scene-talk .g1{left:22%}
.scene-talk .g2{right:22%}
.scene-talk .table{
  position:absolute;left:38%;right:38%;bottom:4%;height:14%;border-radius:50%;
  background:linear-gradient(180deg,#f4f6fa,#cfd6e2);
}

/* sports */
.scene-sport{background:linear-gradient(180deg,#0f2f57 0%,#123f2a 52%,#1b6b3a 100%)}
.scene-sport .stands{
  position:absolute;left:0;right:0;top:0;height:46%;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.2) 0 3px,transparent 3px 9px),
    linear-gradient(180deg,#14325c,#0d2444);
}
.scene-sport .stands::after{
  content:"";position:absolute;left:10%;right:10%;top:10%;height:8%;border-radius:4px;
  background:radial-gradient(circle at 20% 50%,#fff,transparent 40%),
             radial-gradient(circle at 55% 50%,#fff,transparent 40%),
             radial-gradient(circle at 85% 50%,#fff,transparent 40%);
  opacity:.75;filter:blur(1px);
}
.scene-sport .pitch{
  position:absolute;left:0;right:0;bottom:0;height:56%;
  background:
    repeating-linear-gradient(105deg,rgba(255,255,255,.07) 0 26px,transparent 26px 52px),
    linear-gradient(180deg,#2c8a4c,#186236);
}
.scene-sport .cam{
  position:absolute;right:12%;bottom:8%;width:26%;height:40%;
  background:linear-gradient(160deg,#1a2233,#05080f);border-radius:8px;
  box-shadow:-10px 10px 24px rgba(0,0,0,.4);
}
.scene-sport .cam::before{
  content:"";position:absolute;left:-18%;top:22%;width:34%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#4f5d78,#0a0f1a);
}

/* quote */
.quote-card{
  background:var(--bg-soft-2);border:1px solid #d9e6f6;border-radius:16px;padding:26px;
}
.quote-card .q{width:26px;height:26px;color:#9cc0ea;margin-bottom:14px;fill:currentColor;stroke:none}
.quote-card blockquote{font-size:14.5px;line-height:1.62;color:#22375a;font-weight:500}
.quote-card blockquote b{font-weight:700}
.quote-card .who{
  margin-top:18px;padding-top:14px;font-size:12.5px;font-weight:600;color:var(--muted);
  border-top:2px solid #b9d3ef;display:inline-block;
}

/* =========================================================
   cta
   ========================================================= */
.cta{
  padding:70px 0;color:#fff;
  background:
    radial-gradient(760px 420px at 82% 20%, rgba(48,124,240,.32), transparent 62%),
    linear-gradient(160deg,#072250 0%,#0a2a63 100%);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:52px;align-items:center}
.cta h2{margin-bottom:18px;max-width:520px}
.cta-copy > p{font-size:15px;line-height:1.7;color:#c3d7f2;max-width:470px}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:13px;color:#bfd5f2;font-weight:500}
.cta-points .ico{width:16px;height:16px;color:#5fa8f5}

.demo-form{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:18px;padding:22px;backdrop-filter:blur(8px);
}
.demo-form .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:12px}
.demo-form input{
  width:100%;padding:13px 15px;border-radius:9px;
  background:rgba(4,16,42,.55);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13.5px;transition:border-color .18s ease,background .18s ease;
}
.demo-form input::placeholder{color:#8ba7cc}
.demo-form input:focus{outline:none;border-color:#4da3ff;background:rgba(4,16,42,.8)}
.demo-form > input{margin-bottom:12px}
.form-note{margin-top:12px;text-align:center;font-size:11.5px;color:#8fabce}

/* =========================================================
   footer
   ========================================================= */
.site-footer{background:var(--navy-950);color:#fff;padding:40px 0 26px}
.footer-inner{
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  padding-bottom:26px;
}
.site-footer .brand-name{font-size:22px}
.site-footer .brand-mark{width:34px;height:34px}
.site-footer .brand-mark svg{width:14px;height:14px}
.tagline{margin-top:9px;font-size:12.5px;color:#7e99bd}

.footer-nav{display:flex;align-items:center;gap:30px;font-size:13.5px;color:#c3d3e8}
.footer-nav a{transition:color .18s ease}
.footer-nav a:hover{color:#fff}
.socials{display:flex;gap:14px;margin-left:8px}
.socials .ico{width:17px;height:17px;color:#9db4d2}
.socials a:hover .ico{color:#fff}

.footer-legal{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:11.5px;color:#6d86a8;
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width:1180px){
  .annotation{display:none}
}

@media (max-width:1040px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-sub,.hero-feats{max-width:none}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .how-grid{grid-template-columns:1fr}
  .problem-grid{grid-template-columns:1fr;gap:34px}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .benefits-grid{grid-template-columns:1fr}
}

@media (max-width:860px){
  .nav{
    position:absolute;left:16px;right:16px;top:74px;flex-direction:column;gap:0;
    background:rgba(7,26,61,.97);border:1px solid rgba(255,255,255,.12);
    border-radius:14px;padding:8px;display:none;box-shadow:var(--shadow-lg);
  }
  body.nav-open .nav{display:flex}
  .nav a{padding:12px 14px;border-radius:9px}
  .nav a::after{display:none}
  .nav a:hover{background:rgba(255,255,255,.08)}
  .nav-toggle{display:flex}
  .header-inner{gap:12px}
  .header-cta{margin-left:auto}

  .player-top{grid-template-columns:1fr}
  .chapters{max-height:none}
  .steps{grid-template-columns:1fr;gap:26px}
  .step-arrow{display:none}
  .step p{max-width:none}
  .problem-list{grid-template-columns:1fr;gap:22px}
  .related-cards{grid-template-columns:1fr}
  .panel{padding:26px}
}

@media (max-width:620px){
  .header-cta{display:none}
  .hero{padding-bottom:56px}
  .hero-feats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .hero-actions .btn{flex:1 1 100%}
  .feature-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr}
  .benefit-list{grid-template-columns:1fr}
  .demo-form .row{grid-template-columns:1fr}
  .players ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-nav{flex-wrap:wrap;gap:18px}
  .subtitle{bottom:36%;font-size:9.5px}
}


/* chAIptering production imagery */
.brand-image{display:inline-flex;align-items:center}
.brand-logo{display:block;width:auto;height:42px;max-width:190px;object-fit:contain}
.site-footer .brand-logo{height:38px}
.shot-image-a1{padding:0;border-color:transparent;background:url('https://chaptering.ibserver.gr/a1.png?v=5') center/cover no-repeat}
.shot-image-a1 img{position:relative;z-index:1;width:100%;height:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}
.shot-image-a2{padding:0;border-color:transparent;background:url('https://chaptering.ibserver.gr/a5.png?v=5') center/cover no-repeat}
.shot-image-a2 img{position:relative;z-index:1;width:100%;height:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}
.shot-image-a3{padding:0;border-color:transparent;background:url('https://chaptering.ibserver.gr/a2.png?v=5') center/cover no-repeat}
.shot-image-a3 img{position:relative;z-index:1;width:100%;height:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}
.shot-image-a4{padding:0;border-color:transparent;background:url('https://chaptering.ibserver.gr/a4.png?v=5') center/cover no-repeat}
.shot-image-a4 img{position:relative;z-index:1;width:100%;height:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}
@media(max-width:760px){.brand-logo{height:34px;max-width:155px}.site-footer .brand-logo{height:32px}}

/* Hero product image */
.hero-image-wrap{position:relative;width:100%;align-self:center}
.hero-image-wrap::before{content:"";position:absolute;inset:8% 5% -5%;z-index:0;border-radius:30px;background:rgba(23,111,255,.28);filter:blur(38px)}
.hero-image-wrap img{position:relative;z-index:1;display:block;width:100%;height:auto;max-height:min(620px,72vh);object-fit:contain;filter:drop-shadow(0 26px 46px rgba(0,0,0,.34))}
@media(max-width:900px){.hero-image-wrap{max-width:760px;margin:10px auto 0}.hero-image-wrap img{max-height:none}}
/* Fully automated hero workflow */
.automation-note{display:flex;align-items:flex-start;gap:10px;max-width:560px;margin:20px 0 0;padding:12px 14px;border:1px solid rgba(92,178,255,.28);border-radius:12px;background:rgba(18,76,154,.18)}
.automation-note>span{display:grid;place-items:center;flex:0 0 25px;width:25px;height:25px;border-radius:50%;color:#071634;background:#49d9e8;font-weight:800}
.automation-note p{margin:0;color:#c9dcf5;font-size:13px;line-height:1.5}
.automation-note strong{color:#fff}
.automation-pin{position:absolute;z-index:3;top:-10px;right:4%;padding:8px 13px;border:1px solid rgba(255,255,255,.26);border-radius:999px;color:#fff;background:linear-gradient(135deg,#2568ff,#17bedb);box-shadow:0 10px 24px rgba(0,0,0,.25);font-size:12px;font-weight:800;letter-spacing:.02em}
.hero-flow{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto 1.2fr auto 1.35fr;align-items:center;gap:9px;margin:14px 2% 0;padding:11px;border:1px solid rgba(129,173,234,.22);border-radius:13px;background:rgba(4,17,52,.64);box-shadow:0 15px 32px rgba(0,0,0,.18);backdrop-filter:blur(10px)}
.hero-flow>div{display:grid;grid-template-columns:25px 1fr;column-gap:8px;align-items:center;min-width:0}
.hero-flow>div>span{grid-row:1/3;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;color:#06163a;background:#54d8e8;font-size:11px;font-weight:900}
.hero-flow strong{color:#fff;font-size:11px;line-height:1.25}
.hero-flow small{color:#8eafd8;font-size:9px;line-height:1.25}
.hero-flow>i{color:#55cce9;font-style:normal;font-size:18px}
@media(max-width:900px){.automation-pin{top:0}.hero-flow{margin-inline:0}}
@media(max-width:620px){.hero-flow{grid-template-columns:1fr;gap:7px}.hero-flow>i{transform:rotate(90deg);justify-self:center;line-height:1}.hero-flow strong{font-size:12px}.hero-flow small{font-size:10px}.automation-pin{position:static;display:inline-block;margin:10px 0 0}}
/* Plain hero automation label */
.automation-pin{padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;color:#65dff0!important;font-size:12px!important;font-weight:800!important;letter-spacing:.08em!important;text-transform:uppercase!important}
.automation-pin::before{content:"✓";display:inline-block;margin-right:7px;color:#65dff0}
.media-photo{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;margin-bottom:16px;box-shadow:var(--shadow-sm)}

/* Language switcher and branded workflow icon */
.language-switcher{display:flex;align-items:center;gap:5px;margin-left:auto}
.language-switcher button{display:inline-flex;align-items:center;gap:5px;padding:6px 8px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:transparent;color:#c9d9ee;font:700 11px/1 Inter,sans-serif;cursor:pointer}
.language-switcher button:hover,.language-switcher button.is-active{border-color:#55d5e8;background:rgba(85,213,232,.12);color:#fff}
.step-ico-brand img{display:block;width:26px;height:26px;object-fit:contain}
.demo-form .contact-row{margin-bottom:12px}
@media(max-width:860px){.language-switcher{margin-left:0}.language-switcher button span{display:none}}
.step-ico-brand::before{content:none!important;display:none!important}
.fa-solid.ico,.fa-regular.ico,.fa-brands.ico{display:inline-flex;align-items:center;justify-content:center}
.step-arrow.fa-solid{display:block;width:auto;height:auto}

/* Promo video modal */
.promo-modal{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:24px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}
.promo-modal.is-open{opacity:1;visibility:visible;pointer-events:auto}
.promo-modal-backdrop{position:absolute;inset:0;background:rgba(2,9,28,.86);backdrop-filter:blur(8px)}
.promo-modal-dialog{position:relative;z-index:1;width:min(1100px,94vw);background:#030b20;border:1px solid rgba(255,255,255,.18);border-radius:16px;box-shadow:0 32px 90px rgba(0,0,0,.55);overflow:hidden}
.promo-modal-dialog video{display:block;width:100%;max-height:82vh;background:#000}
.product-demo-dialog{width:min(1280px,96vw);height:min(860px,92vh);background:#0a1c5b}
.product-demo-dialog iframe{display:block;width:100%;height:100%;border:0;background:#0a1c5b}
.promo-modal-close{position:absolute;z-index:2;top:12px;right:12px;display:grid;place-items:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.3);border-radius:50%;background:rgba(3,11,32,.82);color:#fff;font-size:20px;cursor:pointer}
body.promo-open{overflow:hidden}
.scroll-top{position:fixed;right:22px;bottom:22px;z-index:9000;display:grid;place-items:center;width:46px;height:46px;border:1px solid rgba(255,255,255,.25);border-radius:50%;background:linear-gradient(145deg,#3478ff,#18bad8);color:#fff;box-shadow:0 12px 30px rgba(4,22,66,.32);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease}
.scroll-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.scroll-top:hover{transform:translateY(-3px)}
@media(max-width:620px){.promo-modal{padding:12px}.promo-modal-dialog{width:100%}.scroll-top{right:14px;bottom:14px;width:42px;height:42px}}