*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#08090f;
  --deep:#0a0e1a;
  --ocean:#081428;
  --sky:#0c1e3a;
  --coral:#e85454;
  --coral2:#f07a6a;
  --salmon:#f09080;
  --blue:#4a9ee8;
  --blue2:#6bb5f0;
  --accent-grad:linear-gradient(135deg, #e85454, #f09080, #6bb5f0, #4a9ee8);
  --accent-grad-h:linear-gradient(135deg, #e85454 0%, #4a9ee8 100%);
  --teal:#00c2b8;
  --red:#e84444;
  --paper:#f4f0e8;
  --white:#ffffff;
  --muted:rgba(255,255,255,0.4);
  --grid:rgba(255,255,255,0.03);
}
html,body{width:100%;height:100%;overflow:auto;background:var(--ocean);font-family:'DM Sans',sans-serif;}
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--deep);}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--coral),var(--blue));border-radius:3px;}

#main{
  position:fixed;inset:0;overflow-y:auto;overflow-x:hidden;
  background:var(--deep);
}
#main::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:60px 60px;
}

/* ═══ NAV ═══ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 48px;
  display:flex;align-items:center;justify-content:space-between;
  backdrop-filter:blur(20px);
  background:rgba(8,9,15,0.7);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.nav-logo{
  font-family:'Syne',sans-serif;font-weight:800;font-size:19px;
  color:white;text-decoration:none;letter-spacing:-0.5px;
  display:flex;align-items:center;gap:12px;
}
.nav-logo img{width:52px;height:52px;object-fit:contain;}
.nav-logo .logo-text{display:flex;flex-direction:column;line-height:1.05;}
.nav-logo .logo-tagline{
  font-family:'Syne',sans-serif;font-size:15px;font-weight:600;font-style:italic;
  letter-spacing:0;margin-top:3px;
  background:linear-gradient(135deg,var(--coral),var(--salmon),var(--blue2),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.nav-logo .logo-tagline .italic{font-style:italic;}
.nav-logo .logo-ai{color:white;}
.nav-right{display:flex;align-items:center;gap:12px;}

/* Gradient border button */
.btn-p{
  background:linear-gradient(124deg, rgba(232,84,84,0.9) 0%, rgba(232,140,84,0.85) 35%, rgba(74,158,232,0.9) 92%);
  padding:2px;border-radius:100px;
  display:inline-flex;align-items:center;justify-content:center;
  text-decoration:none;cursor:pointer;
  box-shadow:0 2px 5px rgba(0,0,0,0.25);
  transition:background 0.4s ease, box-shadow 0.3s ease, transform 0.2s ease;
  will-change:transform;font-family:'DM Sans',sans-serif;
}
.btn-p:hover{
  background:linear-gradient(180deg, rgba(232,84,84,0.9) -92%, rgba(232,140,84,0.85) 15%, rgba(74,158,232,0.9) 117%);
  box-shadow:0 4px 16px rgba(0,0,0,0.45);transform:translateY(-2px);
}
.btn-p-inner{
  background:rgb(14,10,20);border-radius:100px;
  padding:12px 28px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  color:#fff;font-weight:600;font-size:15px;font-family:'DM Sans',sans-serif;
  transition:background 0.3s ease;white-space:nowrap;
}
.btn-p:hover .btn-p-inner{background:rgb(20,14,28);}

/* Secondary outline button */
.btn-s{
  color:var(--white);padding:12px 28px;border-radius:100px;
  font-size:15px;font-weight:600;text-decoration:none;font-family:'DM Sans',sans-serif;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  background:linear-gradient(180deg, rgba(74,100,130,0.35) 0%, rgba(50,70,90,0.75) 100%);
  border:none;position:relative;overflow:hidden;isolation:isolate;
  box-shadow:0 0 0 0.5px rgba(80,105,125,0.9),0 4px 10px 0 rgba(10,14,26,0.25);
  backdrop-filter:blur(10px);
  transition:transform 0.6s cubic-bezier(0.4,0,0.2,1), box-shadow 0.6s cubic-bezier(0.4,0,0.2,1);
}
.btn-s::before{
  content:'';position:absolute;inset:0;border-radius:100px;
  border:1px solid transparent;
  background:linear-gradient(180deg, rgba(190,210,225,0.55) 0%, rgba(90,110,130,0.2) 35%, rgba(45,60,75,0.25) 55%, rgba(110,135,155,0.4) 80%, rgba(210,225,240,0.55) 100%) border-box;
  -webkit-mask:linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:1;
}
.btn-s:hover{transform:scale(1.04);box-shadow:0 0 0 0.5px rgba(80,105,125,0.9),0 7px 14px 0 rgba(10,14,26,0.3);}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.6;}}
@keyframes countUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* ═══ HERO ═══ */
.hero{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:120px 48px 80px;position:relative;overflow:hidden;
}
.hero-glow{
  position:absolute;width:900px;height:500px;
  background:radial-gradient(ellipse,rgba(232,84,84,0.07) 0%,transparent 40%),
             radial-gradient(ellipse at 60% 40%,rgba(74,158,232,0.07) 0%,transparent 40%);
  top:50%;left:50%;transform:translate(-50%,-55%);pointer-events:none;
}

.hero-badge{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.12em;
  text-transform:uppercase;padding:6px 16px;border-radius:100px;
  border:1px solid rgba(232,84,84,0.3);
  background:rgba(232,84,84,0.08);
  color:var(--coral);margin-bottom:28px;
  display:inline-flex;align-items:center;gap:8px;
  opacity:0;animation:fadeUp 0.7s ease 0.15s forwards;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--coral);animation:pulse 2s ease-in-out infinite;}

.hero-eyebrow{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.15em;
  background:linear-gradient(90deg,var(--coral),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  text-transform:uppercase;margin-bottom:24px;
  display:flex;align-items:center;gap:10px;
  opacity:0;animation:fadeUp 0.7s ease 0.2s forwards;
}
.hero-eyebrow::before{content:'';width:24px;height:1px;background:var(--coral);}
.hero-eyebrow::after{content:'';width:24px;height:1px;background:var(--blue);}

.hero-title{
  font-family:'Syne',sans-serif;font-size:clamp(44px,7vw,88px);
  font-weight:800;line-height:0.95;letter-spacing:-3px;color:white;
  text-align:center;max-width:850px;
  opacity:0;animation:fadeUp 0.8s ease 0.35s forwards;
}
.hero-title .accent{
  background:linear-gradient(135deg,var(--coral),var(--salmon),var(--blue2),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-title .outline{-webkit-text-stroke:1.5px rgba(255,255,255,0.3);color:transparent;}

.hero-sub{
  font-size:17px;font-weight:300;line-height:1.7;
  color:rgba(255,255,255,0.5);text-align:center;max-width:540px;
  margin-top:28px;opacity:0;animation:fadeUp 0.8s ease 0.5s forwards;
}
.hero-actions{
  display:flex;gap:14px;margin-top:44px;flex-wrap:wrap;justify-content:center;
  opacity:0;animation:fadeUp 0.8s ease 0.65s forwards;
}
.hero-note{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.04em;
  color:rgba(255,255,255,0.3);margin-top:16px;text-align:center;
  opacity:0;animation:fadeUp 0.8s ease 0.8s forwards;
}

/* ═══ FEATURE MARQUEE ═══ */
.band{
  border-top:1px solid rgba(255,255,255,0.06);
  border-bottom:1px solid rgba(255,255,255,0.06);
  padding:18px 0;overflow:hidden;
  background:rgba(255,255,255,0.02);position:relative;z-index:1;
}
.band-track{display:flex;gap:0;animation:bandScroll 12s linear infinite;white-space:nowrap;}
.band-item{
  display:inline-flex;align-items:center;gap:12px;padding:0 36px;
  font-family:'Syne',sans-serif;font-size:14px;font-weight:700;letter-spacing:0.06em;
  text-transform:uppercase;color:rgba(255,255,255,0.45);
  transition:color 0.3s;
}
.band-sep{width:5px;height:5px;background:linear-gradient(135deg,var(--coral),var(--blue));border-radius:50%;opacity:1;box-shadow:0 0 6px rgba(232,84,84,0.3);}
@keyframes bandScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ═══ PROBLEM SECTION ═══ */
.problem-section{padding:100px 48px;position:relative;}
.section-inner{max-width:1100px;margin:0 auto;position:relative;z-index:1;}
.cs-eyebrow{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.12em;
  background:linear-gradient(90deg,var(--coral),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.cs-eyebrow::before{content:'';width:20px;height:1px;background:linear-gradient(90deg,var(--coral),var(--blue));}
.cs-title{
  font-family:'Syne',sans-serif;font-size:clamp(32px,4vw,52px);
  font-weight:800;letter-spacing:-1.5px;line-height:1.05;color:white;max-width:600px;
}
.problem-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:56px;
}
.problem-card{
  background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07);
  border-radius:20px;padding:32px 28px;position:relative;overflow:hidden;
  transition:border-color 0.4s,background 0.4s,transform 0.4s cubic-bezier(0.22,1,0.36,1);
}
.problem-card:hover{border-color:rgba(255,255,255,0.15);background:rgba(255,255,255,0.05);transform:translateY(-6px);}
.problem-card::before{
  content:'';position:absolute;inset:0;
  background:var(--card-glow,radial-gradient(ellipse at 50% 0%,rgba(232,84,84,0.06),transparent 60%));
  opacity:0;transition:opacity 0.4s;
}
.problem-card:hover::before{opacity:1;}
.problem-card:nth-child(odd){--card-glow:radial-gradient(ellipse at 50% 0%,rgba(232,84,84,0.1),transparent 60%);}
.problem-card:nth-child(even){--card-glow:radial-gradient(ellipse at 50% 0%,rgba(74,158,232,0.1),transparent 60%);}
.problem-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.problem-icon svg{width:20px;height:20px;stroke:rgba(255,255,255,0.5);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.problem-card h3{
  font-family:'Syne',sans-serif;font-size:18px;font-weight:700;color:white;
  margin-bottom:10px;letter-spacing:-0.3px;
}
.problem-card p{font-size:14px;color:rgba(255,255,255,0.4);line-height:1.7;font-weight:300;}

/* ═══ SOLUTION SECTION ═══ */
.solution-section{padding:100px 48px;position:relative;}
.solution-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px;
}
.solution-card{
  background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07);
  border-radius:16px;padding:28px 24px;
  transition:border-color 0.4s,background 0.4s,transform 0.4s cubic-bezier(0.22,1,0.36,1);
  position:relative;overflow:hidden;
}
.solution-card:hover{border-color:rgba(74,158,232,0.25);background:rgba(74,158,232,0.04);transform:translateY(-4px);}
.solution-icon{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,rgba(232,84,84,0.12),rgba(74,158,232,0.12));
  border:1px solid rgba(255,255,255,0.06);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.solution-icon svg{width:18px;height:18px;stroke:rgba(255,255,255,0.6);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.solution-card h3{
  font-family:'Syne',sans-serif;font-size:16px;font-weight:700;color:white;
  margin-bottom:8px;letter-spacing:-0.2px;
}
.solution-card p{font-size:13px;color:rgba(255,255,255,0.4);line-height:1.65;font-weight:300;}

/* ═══ HOW IT WORKS ═══ */
.how-section{padding:100px 48px;position:relative;}
.how-steps{
  display:flex;gap:24px;margin-top:56px;align-items:stretch;
}
.how-step{
  flex:1;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07);
  border-radius:20px;padding:36px 28px;position:relative;
  transition:border-color 0.4s,transform 0.4s cubic-bezier(0.22,1,0.36,1);
}
.how-step:hover{border-color:rgba(255,255,255,0.15);transform:translateY(-4px);}
.how-number{
  font-family:'Syne',sans-serif;font-size:48px;font-weight:800;
  background:linear-gradient(135deg,var(--coral),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  line-height:1;margin-bottom:18px;opacity:0.6;
}
.how-step h3{font-family:'Syne',sans-serif;font-size:20px;font-weight:700;color:white;margin-bottom:10px;}
.how-step p{font-size:14px;color:rgba(255,255,255,0.4);line-height:1.7;font-weight:300;}
.how-connector{
  position:absolute;top:50%;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(232,84,84,0.3),rgba(74,158,232,0.3));z-index:2;
}

/* ═══ EARLY ACCESS / URGENCY ═══ */
.urgency-section{padding:120px 48px;text-align:center;position:relative;overflow:hidden;}
.urgency-section::before{
  content:'';position:absolute;width:700px;height:350px;
  background:radial-gradient(ellipse,rgba(232,84,84,0.08),transparent 40%),
             radial-gradient(ellipse at 60% 50%,rgba(74,158,232,0.08),transparent 40%);
  top:-60px;left:50%;transform:translateX(-50%);pointer-events:none;
}
.urgency-inner{position:relative;z-index:1;}
.urgency-title{
  font-family:'Syne',sans-serif;font-size:clamp(36px,5vw,60px);
  font-weight:800;letter-spacing:-2px;line-height:1.0;color:white;
  max-width:700px;margin:0 auto 20px;
}
.urgency-sub{font-size:16px;color:rgba(255,255,255,0.4);font-weight:300;max-width:480px;margin:0 auto 16px;line-height:1.7;}

.urgency-badges{
  display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px;
}
.urgency-tag{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.08em;
  padding:6px 14px;border-radius:100px;
  border:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.5);
}

/* Slots counter */
.slots-counter{
  display:inline-flex;align-items:center;gap:16px;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);
  border-radius:16px;padding:20px 32px;margin-bottom:40px;
}
.slots-bar{
  width:200px;height:6px;border-radius:3px;
  background:rgba(255,255,255,0.08);overflow:hidden;
}
.slots-fill{
  width:68%;height:100%;border-radius:3px;
  background:linear-gradient(90deg,var(--coral),var(--blue));
  animation:fadeIn 1s ease 0.5s both;
}
.slots-text{
  font-family:'DM Mono',monospace;font-size:13px;color:rgba(255,255,255,0.6);
  letter-spacing:0.03em;
}
.slots-text strong{color:white;font-weight:700;}

/* ═══ FOOTER ═══ */
footer{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:28px 48px;display:flex;flex-direction:column;align-items:center;gap:18px;
}
.footer-top{width:100%;display:flex;align-items:center;justify-content:space-between;}
.fl{
  font-family:'Syne',sans-serif;font-size:16px;font-weight:800;color:white;letter-spacing:-0.3px;
  display:flex;align-items:center;gap:10px;
}
.fl img{width:36px;height:36px;object-fit:contain;}
.fl .logo-text{display:flex;flex-direction:column;line-height:1.05;}
.fl .logo-tagline{
  font-family:'Syne',sans-serif;font-size:13px;font-weight:600;font-style:italic;
  letter-spacing:0;margin-top:3px;
  background:linear-gradient(135deg,var(--coral),var(--salmon),var(--blue2),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.fl .logo-tagline .italic{font-style:italic;}
.fl .logo-ai{color:white;}
.footer-social{display:flex;align-items:center;gap:12px;}
.footer-social-btn{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);
  color:rgba(255,255,255,0.5);text-decoration:none;
  transition:background 0.2s,border-color 0.2s,color 0.2s,transform 0.2s;
}
.footer-social-btn:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.25);color:white;transform:translateY(-2px);}
.footer-social-btn svg{width:15px;height:15px;fill:currentColor;}
.footer-bottom{width:100%;display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;}
.footer-copy{font-size:11px;color:rgba(255,255,255,0.22);font-family:'DM Mono',monospace;letter-spacing:0.03em;}
.footer-link{
  font-size:11px;color:rgba(255,255,255,0.3);font-family:'DM Mono',monospace;letter-spacing:0.03em;
  text-decoration:none;border-bottom:1px solid rgba(255,255,255,0.12);padding-bottom:1px;
  transition:color 0.2s,border-color 0.2s;
}
.footer-link:hover{color:rgba(255,255,255,0.65);border-color:rgba(255,255,255,0.35);}
.footer-sep{color:rgba(255,255,255,0.15);font-size:11px;}
.footer-tagline{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.06em;
  color:rgba(255,255,255,0.2);margin-top:4px;
}

/* ═══ SCROLL REVEAL ═══ */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.7s cubic-bezier(0.22,1,0.36,1),transform 0.7s cubic-bezier(0.22,1,0.36,1);}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* ═══ RESPONSIVE ═══ */
@media(max-width:1024px){
  .solution-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  nav{padding:14px 20px;}
  .hero{padding:100px 24px 60px;}
  .hero-title{letter-spacing:-2px;}
  .problem-section,.solution-section,.how-section,.urgency-section{padding:80px 24px;}
  .problem-grid{grid-template-columns:1fr;}
  .solution-grid{grid-template-columns:1fr;}
  .how-steps{flex-direction:column;}
  .how-connector{display:none;}
  .slots-counter{flex-direction:column;gap:10px;}
  .slots-bar{width:160px;}
  footer{padding:24px 20px;}
  .footer-top{flex-direction:column;gap:16px;align-items:center;}
  .nav-right .btn-s{display:none;}
}
@media(max-width:480px){
  .hero-title{font-size:36px;letter-spacing:-1.5px;}
  .hero-sub{font-size:15px;}
}

/* ═══ DEMO SECTION ═══ */
html{scroll-behavior:smooth;}
.btn-t{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 20px;border-radius:100px;
  color:rgba(255,255,255,0.65);font-size:14px;font-weight:500;text-decoration:none;
  font-family:'DM Sans',sans-serif;letter-spacing:0.01em;
  transition:color 0.3s ease, transform 0.25s ease, background 0.3s ease;
  background:transparent;
}
.btn-t:hover{color:#fff;transform:translateY(-1px);background:rgba(255,255,255,0.04);}
.btn-t .btn-t-icon{
  width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--coral),var(--blue));
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;box-shadow:0 0 0 1px rgba(255,255,255,0.06);
}
.btn-t .btn-t-icon svg{width:9px;height:9px;color:#fff;margin-left:1px;}

.demo-section{
  padding:96px 48px 110px;position:relative;overflow:hidden;
  border-top:1px solid rgba(255,255,255,0.05);
}
.demo-section::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,rgba(232,84,84,0.4) 30%,rgba(74,158,232,0.4) 70%,transparent 100%);
  pointer-events:none;
}
.demo-glow{
  position:absolute;top:55%;left:50%;width:min(900px,90vw);height:520px;
  transform:translate(-50%,-50%);
  background:radial-gradient(ellipse at center, rgba(232,84,84,0.16) 0%, rgba(74,158,232,0.10) 35%, transparent 70%);
  filter:blur(60px);pointer-events:none;z-index:0;
}
.demo-inner{max-width:1100px;margin:0 auto;position:relative;z-index:1;text-align:center;}
.demo-eyebrow{
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.14em;
  background:linear-gradient(90deg,var(--coral),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;
}
.demo-eyebrow::before{content:'';width:24px;height:1px;background:var(--coral);}
.demo-eyebrow::after{content:'';width:24px;height:1px;background:var(--blue);}
.demo-title{
  font-family:'Syne',sans-serif;font-size:clamp(34px,4.6vw,56px);
  font-weight:800;letter-spacing:-1.8px;line-height:1.04;color:#fff;
  margin:0 auto 18px;max-width:780px;
}
.demo-title .demo-accent{
  background:linear-gradient(135deg,var(--coral),var(--salmon),var(--blue2),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  font-style:italic;font-weight:700;
}
.demo-sub{
  font-size:16px;font-weight:300;line-height:1.7;
  color:rgba(255,255,255,0.5);max-width:520px;margin:0 auto 48px;
}
.demo-frame{
  position:relative;width:100%;max-width:880px;margin:0 auto;
  aspect-ratio:16/12;
  border-radius:22px;
  background:linear-gradient(135deg,rgba(232,84,84,0.9) 0%,rgba(240,144,128,0.85) 35%,rgba(107,181,240,0.85) 65%,rgba(74,158,232,0.9) 100%);
  padding:1.5px;
  box-shadow:0 30px 80px -20px rgba(0,0,0,0.55),0 0 0 1px rgba(255,255,255,0.04);
}
.demo-frame::before{
  content:'';position:absolute;inset:-28px;border-radius:38px;
  background:radial-gradient(ellipse at center,rgba(232,84,84,0.22) 0%,rgba(74,158,232,0.16) 50%,transparent 80%);
  filter:blur(36px);z-index:-1;opacity:0.75;pointer-events:none;
}
.demo-iframe{
  width:100%;height:100%;
  border:0;border-radius:20.5px;
  background:#0a0e1a;display:block;
}
.demo-meta{
  margin-top:28px;display:inline-flex;align-items:center;gap:16px;
  font-family:'DM Mono',monospace;font-size:11px;letter-spacing:0.08em;
  color:rgba(255,255,255,0.4);
}
.demo-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,0.25);}
@media (max-width:768px){
  .demo-section{padding:64px 20px 80px;}
  .demo-frame{border-radius:16px;}
  .demo-iframe{border-radius:14.5px;}
  .demo-sub{margin-bottom:32px;}
}
/* ═══ EXPANDED RESPONSIVE ═══ tablet + mobile refinements */

/* Tablet portrait + small laptop */
@media (max-width:1024px){
  nav{padding:16px 28px;}
  .demo-section{padding:80px 32px 96px;}
  .demo-frame{max-width:760px;}
  .demo-title{font-size:clamp(30px,4.4vw,48px);}
  .hero{padding:120px 28px 80px;}
}

/* Mobile + small tablet */
@media (max-width:768px){
  .nav-logo{font-size:17px;}
  .nav-logo img{width:44px;height:44px;}
  .nav-logo .logo-tagline{font-size:13px;}
  .nav-right .btn-p .btn-p-inner{padding:8px 16px !important;font-size:12px !important;}
  .demo-section{padding:56px 16px 72px;}
  .demo-title{font-size:30px;letter-spacing:-1px;margin-bottom:14px;}
  .demo-eyebrow{font-size:10px;letter-spacing:0.12em;margin-bottom:14px;}
  .demo-eyebrow::before,.demo-eyebrow::after{width:18px;}
  .demo-meta{flex-wrap:wrap;justify-content:center;gap:10px;font-size:10px;margin-top:22px;}
  .demo-frame{border-radius:14px;padding:1px;}
  .demo-iframe{border-radius:13px;}
  .demo-frame::before{inset:-14px;filter:blur(22px);}
}

/* Small phones */
@media (max-width:480px){
  .hero-actions{gap:10px;}
  .btn-p .btn-p-inner{padding:11px 22px;font-size:14px;}
  .btn-s{padding:11px 22px;font-size:14px;}
  .btn-t{padding:10px 14px;font-size:13px;}
  .btn-t .btn-t-icon{width:20px;height:20px;}
  .demo-section{padding:48px 14px 64px;}
  .demo-title{font-size:26px;letter-spacing:-0.6px;}
  .demo-frame{border-radius:12px;}
  .demo-iframe{border-radius:11px;}
  .demo-meta{font-size:9.5px;gap:8px;}
  .demo-meta .dot{display:none;}
  .demo-meta span:not(.dot)::after{content:" ·";opacity:0.4;margin-left:6px;}
  .demo-meta span:not(.dot):last-child::after{content:"";}
}

/* Very narrow (older phones, 320–360px) */
@media (max-width:360px){
  nav{padding:12px 12px;}
  .nav-logo{gap:8px;font-size:16px;}
  .nav-logo img{width:38px;height:38px;}
  .nav-logo .logo-tagline{font-size:12px;}
  .nav-right .btn-p .btn-p-inner{padding:7px 12px !important;font-size:11px !important;}
}

/* ═══ FULLSCREEN FALLBACK (iOS Safari <16.4 and others without real Fullscreen API) ═══
   When the engine triggers play() but native requestFullscreen fails, we apply this
   class to <body> and the iframe behaves like a fullscreen overlay.
   Uses 100dvh so the dynamic mobile URL bar doesn't push content out of view. */
body.demo-fs-active{overflow:hidden !important;height:100vh !important;height:100dvh !important;}
body.demo-fs-active .demo-iframe{
  position:fixed !important;
  top:0 !important;left:0 !important;right:0 !important;bottom:0 !important;
  width:100vw !important;height:100vh !important;
  width:100vw !important;height:100dvh !important;
  z-index:99999 !important;
  border-radius:0 !important;
  background:#000 !important;
}
body.demo-fs-active .demo-frame{
  position:static !important;
  background:transparent !important;
  padding:0 !important;
  box-shadow:none !important;
  aspect-ratio:auto !important;
  max-width:none !important;
  border-radius:0 !important;
}
body.demo-fs-active .demo-frame::before{display:none !important;}

/* Account for the fixed nav when scrolling to #demo */
.demo-section{scroll-margin-top:80px;}
@media (max-width:768px){.demo-section{scroll-margin-top:68px;}}