/* ============ TOKENS ============ */
:root{
  --ink: #0A0E16;
  --ink-2: #121826;
  --porcelain: #F3F5FA;
  --porcelain-dim: #B9C2D4;
  --paper: #E8EDF7;
  --line: rgba(243,245,250,0.12);
  --accent: #4C82FF;
  --accent-dim: #3A63C9;
  --teal: #6FA8FF;
  --ease: cubic-bezier(.16,1,.3,1);
  --ease-soft: cubic-bezier(.22,.61,.36,1);
  --dur-s: 0.35s;
  --dur-m: 0.7s;
  --dur-l: 1.1s;
  --gap: clamp(20px, 4vw, 48px);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{background:var(--ink);}
body{
  font-family:'Inter', -apple-system, sans-serif;
  background:var(--ink);
  color:var(--porcelain);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.ink-serif{
  font-family:'Instrument Serif', serif;
  font-style:italic;
  font-weight:400;
  color:var(--accent);
}
::selection{ background: var(--accent); color:var(--ink); }
a{color:inherit; text-decoration:none;}
button{font:inherit; background:none; border:none; color:inherit; cursor:pointer;}
svg{display:block;}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
}

/* ============ SCROLL CONTAINER ============ */
#scroller{
  height:100vh;
  overflow-y:scroll;
  scroll-snap-type: y mandatory;
  will-change:scroll-position;
}
#scroller.native-smooth{ scroll-behavior:smooth; }
.panel{
  position:relative;
  min-height:100vh;
  width:100%;
  scroll-snap-align:start;
  scroll-snap-stop:always;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
  padding:110px 0 60px;
}
.panel-dark{ padding-bottom:0; }
.panel-inner{
  position:relative;
  z-index:2;
  max-width:1180px;
  width:100%;
  margin:0 auto;
  padding:0 var(--gap);
}
.panel-inner-narrow{ max-width:820px; }

/* ============ SCROLL PROGRESS ============ */
.scroll-progress{
  position:fixed; top:0; left:0; height:2px; width:0%;
  background:linear-gradient(90deg, var(--accent), var(--teal));
  z-index:200; transition:width 0.1s linear;
}

/* ============ NAV ============ */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px var(--gap);
  transition: padding var(--dur-s) var(--ease), background var(--dur-s) var(--ease), backdrop-filter var(--dur-s) var(--ease);
}
.navbar.scrolled{
  padding:14px var(--gap);
  background:rgba(11,13,16,0.7);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.logo{ display:flex; align-items:center; gap:10px; }
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  transition:transform var(--dur-s) var(--ease);
  overflow:hidden;
}
.logo-mark img{ width:100%; height:100%; object-fit:contain; display:block; }
.logo:hover .logo-mark{ transform:rotate(-8deg) scale(1.05); }
.logo-text{ font-size:15.5px; font-weight:700; letter-spacing:-0.01em; }
.logo-text em{ font-family:'Instrument Serif', serif; font-style:italic; color:var(--accent); font-weight:400; }
.nav-links{ display:flex; gap:34px; }
.nav-links a{ font-size:13.5px; font-weight:500; color:var(--porcelain-dim); position:relative; padding:4px 0; }
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--accent);
  transition:width var(--dur-s) var(--ease);
}
.nav-links a:hover{ color:var(--porcelain); }
.nav-links a:hover::after{ width:100%; }
.nav-cta{
  font-size:13px; font-weight:600; padding:10px 20px; border-radius:100px;
  background:var(--accent); color:var(--ink);
  transition:transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
}
.nav-cta:hover{ transform:translateY(-2px); box-shadow:0 10px 30px rgba(184,255,60,0.25); }
.nav-toggle{ display:none; flex-direction:column; gap:5px; width:26px; }
.nav-toggle span{ height:1.5px; background:var(--porcelain); width:100%; }

@media (max-width:860px){
  .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
}

/* dots nav */
.dots-nav{
  position:fixed; right:26px; top:50%; transform:translateY(-50%); z-index:90;
  display:flex; flex-direction:column; gap:14px;
}
.dots-nav .dot{
  width:7px; height:7px; border-radius:50%; background:rgba(246,244,239,0.25);
  cursor:pointer; transition:all var(--dur-s) var(--ease); position:relative;
}
.dots-nav .dot::before{
  content:attr(data-label); position:absolute; right:18px; top:50%; transform:translateY(-50%);
  font-size:11px; white-space:nowrap; opacity:0; color:var(--porcelain-dim);
  transition:opacity var(--dur-s) var(--ease); pointer-events:none;
}
.dots-nav .dot:hover::before{ opacity:1; }
.dots-nav .dot.active{ background:var(--accent); transform:scale(1.5); }
@media (max-width:860px){ .dots-nav{ display:none; } }

/* ============ REVEAL ============ */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity var(--dur-m) var(--ease-soft), transform var(--dur-m) var(--ease-soft);
  transition-delay:calc(var(--d, 0) * 90ms);
}
.reveal[data-delay="1"]{ --d:1; }
.reveal[data-delay="2"]{ --d:2; }
.reveal[data-delay="3"]{ --d:3; }
.reveal[data-delay="4"]{ --d:4; }
.reveal[data-delay="5"]{ --d:5; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ============ HERO ============ */
.hero-field{
  position:relative;
  max-width:1180px; width:100%; margin:0 auto;
  padding:0 var(--gap);
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:40px; align-items:center;
  flex:1;
}
.grain{
  position:absolute; inset:-10%; z-index:0; pointer-events:none; opacity:0.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-orb{
  position:absolute; border-radius:50%; filter:blur(90px); pointer-events:none; z-index:0;
  will-change:transform;
}
.orb-a{ width:460px; height:460px; left:-8%; top:5%; background:radial-gradient(circle, rgba(184,255,60,0.18), transparent 70%); }
.orb-b{ width:420px; height:420px; right:-6%; bottom:0%; background:radial-gradient(circle, rgba(79,216,196,0.16), transparent 70%); }
.hero-lines{
  position:absolute; inset:0; z-index:0; opacity:0.5;
  background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 60% 55% at 30% 40%, black, transparent 75%);
}
.hero-content{ position:relative; z-index:2; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12.5px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--accent); margin-bottom:22px;
}
.eyebrow-light{ color:var(--teal); }
.eyebrow-dot{ width:6px; height:6px; border-radius:50%; background:currentColor; box-shadow:0 0 12px currentColor; }

.hero-title{
  font-family:'Inter', sans-serif;
  font-weight:800;
  font-size:clamp(2.6rem, 5.6vw, 5rem);
  line-height:0.98;
  letter-spacing:-0.035em;
}
.hero-title .line{ display:block; }
.hero-sub{
  margin-top:26px; max-width:460px;
  font-size:17.5px; line-height:1.65; color:var(--porcelain-dim);
}
.hero-actions{ margin-top:38px; display:flex; align-items:center; gap:26px; flex-wrap:wrap; }

.btn-primary{
  display:inline-flex; align-items:center; gap:10px;
  padding:16px 28px; border-radius:100px;
  background:var(--accent); color:var(--ink);
  font-size:14px; font-weight:700;
  transition:transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease), background var(--dur-s) var(--ease);
  box-shadow:0 0 0 rgba(184,255,60,0);
}
.btn-primary svg{ transition:transform var(--dur-s) var(--ease); }
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 40px rgba(184,255,60,0.28); }
.btn-primary:hover svg{ transform:translateX(4px); }
.btn-primary:active{ transform:translateY(-1px) scale(0.98); }
.btn-light{ background:var(--porcelain); }

.hero-meta{ display:flex; align-items:center; gap:12px; }
.avatars{ display:flex; }
.avatars span{
  width:30px; height:30px; border-radius:50%; margin-left:-8px;
  background:var(--ink-2); border:2px solid var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:700; color:var(--teal);
}
.avatars span:first-child{ margin-left:0; }
.hero-meta-text{ font-size:12.5px; color:var(--porcelain-dim); }

.hero-visual{ position:relative; z-index:2; height:520px; }
.chat-card{
  position:absolute; inset:0; margin:auto; width:100%; max-width:340px; height:440px;
  background:linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border:1px solid var(--line); border-radius:26px;
  backdrop-filter:blur(20px);
  box-shadow:0 40px 80px rgba(0,0,0,0.45);
  display:flex; flex-direction:column; overflow:hidden;
  will-change:transform;
}
.chat-head{
  display:flex; align-items:center; gap:10px; padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.chat-dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px var(--accent); }
.chat-head-text b{ display:block; font-size:13.5px; }
.chat-head-text small{ font-size:11px; color:var(--porcelain-dim); }
.chat-body{ flex:1; padding:18px; display:flex; flex-direction:column; gap:10px; overflow:hidden; }
.bubble{
  max-width:80%; padding:10px 14px; border-radius:14px; font-size:12.5px; line-height:1.45;
  opacity:0; transform:translateY(10px) scale(0.96);
  animation:bubbleIn 0.5s var(--ease-soft) forwards;
}
@keyframes bubbleIn{ to{ opacity:1; transform:translateY(0) scale(1); } }
.bubble.in{ align-self:flex-end; background:var(--accent); color:var(--ink); border-bottom-right-radius:4px; }
.bubble.out{ align-self:flex-start; background:rgba(255,255,255,0.06); border:1px solid var(--line); border-bottom-left-radius:4px; }

.stat-card{
  position:absolute; padding:16px 18px; border-radius:18px;
  background:rgba(20,23,28,0.85); border:1px solid var(--line);
  backdrop-filter:blur(14px);
  box-shadow:0 20px 50px rgba(0,0,0,0.35);
  will-change:transform;
}
.stat-a{ top:6%; right:-4%; }
.stat-b{ bottom:10%; left:-6%; }
.stat-num{ font-family:'Instrument Serif', serif; font-size:26px; color:var(--teal); }
.stat-suffix{ font-family:'Instrument Serif', serif; font-size:16px; color:var(--teal); }
.stat-card small{ display:block; font-size:10.5px; color:var(--porcelain-dim); margin-top:2px; max-width:120px; }

@media (max-width:900px){
  .hero-field{ grid-template-columns:1fr; }
  .hero-visual{ height:400px; order:-1; margin-bottom:10px; }
  .chat-card{ max-width:280px; height:340px; }
}

.scroll-cue{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:3;
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.scroll-cue span{ font-size:10.5px; letter-spacing:0.15em; text-transform:uppercase; color:var(--porcelain-dim); }
.scroll-cue-track{ width:1px; height:34px; background:var(--line); position:relative; overflow:hidden; }
.scroll-cue-track i{
  position:absolute; top:-34px; left:0; width:100%; height:34px; background:var(--accent);
  animation:cue 2s var(--ease) infinite;
}
@keyframes cue{ 0%{ top:-34px; } 60%{ top:34px; } 100%{ top:34px; } }

/* ============ SECTION HEAD ============ */
.section-head{ margin-bottom:56px; }
.section-title{
  font-size:clamp(2rem, 4vw, 3.1rem);
  font-weight:800; letter-spacing:-0.03em; line-height:1.08;
  max-width:680px;
}

/* ============ BENEFIT GRID ============ */
.benefit-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:20px; overflow:hidden;
}
.benefit-card{
  background:var(--ink); padding:32px 28px; position:relative;
  transition:background var(--dur-s) var(--ease);
}
.benefit-card:hover{ background:var(--ink-2); }
.benefit-index{
  font-family:'Instrument Serif', serif; font-style:italic; font-size:15px; color:var(--accent-dim);
}
.benefit-card h3{ margin-top:16px; font-size:17.5px; font-weight:700; letter-spacing:-0.01em; line-height:1.3; }
.benefit-card p{ margin-top:10px; font-size:13.5px; line-height:1.6; color:var(--porcelain-dim); }
@media (max-width:900px){ .benefit-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .benefit-grid{ grid-template-columns:1fr; } }

/* tilt effect (JS-driven transform) */
.tilt{ transform-style:preserve-3d; will-change:transform; transition:transform 0.15s var(--ease-soft); }

/* ============ FLOW ============ */
.flow-rail{
  position:relative; margin-top:20px;
  display:grid; grid-template-columns:repeat(5, 1fr); gap:20px;
}
.flow-progress{
  position:absolute; top:34px; left:0; height:1px; width:100%;
  background:var(--line);
}
.flow-progress::after{
  content:''; position:absolute; top:0; left:0; height:100%; width:var(--flow-w, 0%);
  background:linear-gradient(90deg, var(--accent), var(--teal));
  transition:width 0.2s linear;
}
.flow-step{ position:relative; z-index:1; text-align:center; }
.flow-node{
  width:68px; height:68px; margin:0 auto; border-radius:20px;
  background:var(--ink-2); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; color:var(--accent);
  transition:transform var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.flow-step:hover .flow-node{ transform:translateY(-6px) rotate(-4deg); border-color:var(--accent); }
.flow-label{ margin-top:16px; font-size:15px; font-weight:700; }
.flow-desc{ margin-top:6px; font-size:12.5px; line-height:1.5; color:var(--porcelain-dim); }
@media (max-width:820px){
  .flow-rail{ grid-template-columns:1fr; gap:34px; text-align:left; display:flex; flex-direction:column; }
  .flow-progress{ display:none; }
  .flow-step{ display:flex; align-items:center; gap:18px; text-align:left; }
  .flow-node{ flex-shrink:0; margin:0; }
}

/* ============ COMPARISON ============ */
.cmp-grid{
  display:grid; grid-template-columns:1fr auto 1fr; gap:0; align-items:stretch;
}
.cmp-col{ padding:38px; border-radius:22px; }
.cmp-old{ background:var(--ink-2); border:1px solid var(--line); }
.cmp-new{
  background:linear-gradient(160deg, rgba(184,255,60,0.08), rgba(79,216,196,0.04));
  border:1px solid rgba(184,255,60,0.25);
}
.cmp-heading{ font-size:12.5px; font-weight:700; text-transform:uppercase; letter-spacing:0.08em; color:var(--porcelain-dim); }
.cmp-new .cmp-heading{ color:var(--accent); }
.cmp-list{ list-style:none; margin-top:22px; display:flex; flex-direction:column; gap:16px; }
.cmp-list li{ display:flex; align-items:flex-start; gap:12px; font-size:14px; line-height:1.5; color:var(--porcelain-dim); }
.cmp-new .cmp-list li{ color:var(--porcelain); }
.cmp-ic{ width:20px; height:20px; border-radius:50%; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-size:11px; margin-top:1px; }
.cmp-ic.no{ background:rgba(255,255,255,0.06); color:var(--porcelain-dim); }
.cmp-ic.yes{ background:var(--accent); color:var(--ink); }
.cmp-divider{ display:flex; align-items:center; justify-content:center; padding:0 26px; }
.cmp-divider span{
  width:46px; height:46px; border-radius:50%; background:var(--ink); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  font-family:'Instrument Serif', serif; font-style:italic; font-size:14px; color:var(--porcelain-dim);
}
@media (max-width:820px){
  .cmp-grid{ grid-template-columns:1fr; gap:18px; }
  .cmp-divider{ padding:8px 0; }
}

/* ============ TESTIMONIALS ============ */
.testi-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; }
.testi-card{
  background:var(--ink-2); border:1px solid var(--line); border-radius:22px; padding:30px;
  display:flex; flex-direction:column;
  transition:border-color var(--dur-s) var(--ease), transform var(--dur-s) var(--ease);
}
.testi-card:hover{ border-color:rgba(184,255,60,0.3); }
.testi-stars{ color:var(--accent); font-size:13px; letter-spacing:2px; }
.testi-card blockquote{ margin-top:16px; font-size:14.5px; line-height:1.65; color:var(--porcelain-dim); flex:1; }
.testi-card figcaption{ display:flex; align-items:center; gap:12px; margin-top:22px; padding-top:20px; border-top:1px solid var(--line); }
.testi-avatar{
  width:38px; height:38px; border-radius:50%; background:var(--ink); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:700; color:var(--teal);
}
.testi-card figcaption b{ display:block; font-size:13.5px; }
.testi-card figcaption small{ font-size:11.5px; color:var(--porcelain-dim); }
@media (max-width:900px){ .testi-grid{ grid-template-columns:1fr; } }

/* ============ FAQ ============ */
.faq-list{ display:flex; flex-direction:column; gap:10px; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding:22px 4px; font-size:15.5px; font-weight:600; text-align:left;
}
.faq-plus{ position:relative; width:16px; height:16px; flex-shrink:0; }
.faq-plus::before, .faq-plus::after{
  content:''; position:absolute; background:var(--porcelain-dim); transition:transform var(--dur-s) var(--ease), background var(--dur-s) var(--ease);
}
.faq-plus::before{ top:7px; left:0; width:16px; height:1.5px; }
.faq-plus::after{ top:0; left:7px; width:1.5px; height:16px; }
.faq-item.open .faq-plus::after{ transform:rotate(90deg); opacity:0; }
.faq-item.open .faq-q{ color:var(--accent); }
.faq-item.open .faq-plus::before{ background:var(--accent); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height var(--dur-m) var(--ease); }
.faq-a p{ padding:0 4px 22px; font-size:14px; line-height:1.65; color:var(--porcelain-dim); max-width:640px; }

/* ============ CTA FINAL ============ */
.panel-dark{ background:var(--ink); }
.cta-field{ position:relative; flex:1; display:flex; flex-direction:column; justify-content:center; }
.cta-orb{
  position:absolute; left:50%; top:40%; transform:translate(-50%,-50%);
  width:640px; height:640px; border-radius:50%;
  background:radial-gradient(circle, rgba(184,255,60,0.10), transparent 70%);
  pointer-events:none;
}
.cta-inner{ text-align:center; position:relative; z-index:2; display:flex; flex-direction:column; align-items:center; }
.cta-title{
  font-size:clamp(2.1rem, 4.6vw, 3.6rem); font-weight:800; letter-spacing:-0.03em; line-height:1.1;
  max-width:760px;
}
.cta-sub{ margin-top:20px; font-size:16.5px; color:var(--porcelain-dim); max-width:520px; }
.cta-inner .btn-primary{ margin-top:34px; }
.trust-row{ margin-top:30px; display:flex; gap:12px; flex-wrap:wrap; justify-content:center; }
.trust-row span{ font-size:12px; color:var(--porcelain-dim); border:1px solid var(--line); border-radius:100px; padding:7px 16px; }

.footer{
  position:relative; z-index:2; margin-top:60px; padding:26px var(--gap);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  border-top:1px solid var(--line);
  font-size:12px; color:var(--porcelain-dim);
}

/* ============ FAB ============ */
.fab-wa{
  position:fixed; bottom:26px; right:26px; z-index:150;
  width:56px; height:56px; border-radius:50%;
  background:var(--accent); color:var(--ink);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 14px 34px rgba(184,255,60,0.3);
  transition:transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
  opacity:0; pointer-events:none;
}
.fab-wa.show{ opacity:1; pointer-events:auto; }
.fab-wa:hover{ transform:scale(1.08) rotate(-6deg); box-shadow:0 18px 42px rgba(184,255,60,0.4); }

@media (max-width:600px){
  .panel{ padding-top:96px; }
  .cmp-divider{ display:none; }
}