/* ============================================
   DUALTALK — "Two Worlds Converging"
   ============================================ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:      #060810;
  --bg2:     #0b1022;
  --bg3:     #111a33;
  --surface: #141c35;
  --cyan:    #00f5d4;
  --purple:  #b16cea;
  --amber:   #fbbf24;
  --text:    #e4eaf6;
  --muted:   #6879a0;
  --radius:  20px;
  --radius-sm:12px;
}

html{scroll-behavior:smooth}

body{
  font-family:'Outfit',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* ---------- GRAIN OVERLAY ---------- */
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:9999;
  pointer-events:none;
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size:128px 128px;
}

/* ---------- TYPOGRAPHY ---------- */
h1,h2,h3,.nav-logo,.footer-logo{font-family:'Syne',sans-serif}
a{color:var(--cyan);text-decoration:none;transition:color .25s}
a:hover{color:#7dfce3}
img{max-width:100%;display:block}

/* ---------- GLOW UTILITY ---------- */
.glow-cyan{
  box-shadow:0 0 60px rgba(0,245,212,.15),0 0 120px rgba(0,245,212,.06);
}
.glow-purple{
  box-shadow:0 0 60px rgba(177,108,234,.15),0 0 120px rgba(177,108,234,.06);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:1.1rem 2.5rem;
  display:flex;align-items:center;justify-content:space-between;
  backdrop-filter:blur(24px) saturate(1.4);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);
  background:rgba(6,8,16,.72);
  border-bottom:1px solid rgba(255,255,255,.04);
  transition:background .4s;
}
.nav-logo{
  font-size:1.55rem;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.nav-links{display:flex;gap:2.2rem;align-items:center}
.nav-links a{
  color:var(--muted);font-size:.88rem;font-weight:500;
  letter-spacing:.03em;text-transform:uppercase;
  transition:color .25s;position:relative;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;right:0;
  height:1.5px;background:var(--cyan);transform:scaleX(0);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  transform-origin:right;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.mobile-menu{
  display:none;position:fixed;inset:0;
  background:rgba(6,8,16,.97);
  backdrop-filter:blur(30px);
  z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:2.5rem;
}
.mobile-menu.active{display:flex}
.mobile-menu a{color:var(--text);font-size:1.6rem;font-weight:700;font-family:'Syne',sans-serif;letter-spacing:-.01em}
.mobile-menu a:hover{color:var(--cyan)}
.mobile-close{position:absolute;top:1.2rem;right:2rem;font-size:2.2rem;color:var(--text);background:none;border:none;cursor:pointer}

@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav{padding:1rem 1.5rem}
}

/* ============================================
   HERO
   ============================================ */
.hero{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:8rem 2.5rem 5rem;
  position:relative;overflow:hidden;
}

/* Atmospheric glows */
.hero-glow-1{
  position:absolute;top:-15%;right:5%;
  width:700px;height:700px;
  background:radial-gradient(circle,rgba(0,245,212,.1) 0%,transparent 65%);
  pointer-events:none;filter:blur(40px);
  animation:glowPulse 8s ease-in-out infinite;
}
.hero-glow-2{
  position:absolute;bottom:-10%;left:-5%;
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(177,108,234,.09) 0%,transparent 65%);
  pointer-events:none;filter:blur(40px);
  animation:glowPulse 10s ease-in-out infinite 3s;
}
.hero-glow-center{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:400px;height:400px;
  background:radial-gradient(circle,rgba(0,245,212,.06) 0%,transparent 70%);
  pointer-events:none;filter:blur(60px);
}

@keyframes glowPulse{
  0%,100%{opacity:.7;transform:scale(1)}
  50%{opacity:1;transform:scale(1.08)}
}

/* Floating language names */
.floating-langs{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
}
.floating-lang{
  position:absolute;
  font-family:'Syne',sans-serif;
  font-weight:700;
  color:rgba(255,255,255,.03);
  font-size:clamp(1.2rem,3vw,2rem);
  white-space:nowrap;
  animation:floatLang linear infinite;
  will-change:transform;
}
.floating-lang:nth-child(odd){
  color:rgba(0,245,212,.04);
}
.floating-lang:nth-child(3n){
  color:rgba(177,108,234,.04);
}

@keyframes floatLang{
  0%{transform:translateY(0) translateX(0)}
  25%{transform:translateY(-20px) translateX(10px)}
  50%{transform:translateY(-5px) translateX(-8px)}
  75%{transform:translateY(-25px) translateX(5px)}
  100%{transform:translateY(0) translateX(0)}
}

/* Hero layout */
.hero-inner{
  max-width:1240px;width:100%;
  display:flex;align-items:center;gap:4rem;
  position:relative;z-index:2;
}
.hero-text{flex:1;max-width:560px}
.hero-label{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.45rem 1.1rem;border-radius:50px;
  background:rgba(0,245,212,.08);
  border:1px solid rgba(0,245,212,.15);
  font-size:.78rem;font-weight:600;
  color:var(--cyan);letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:1.5rem;
}
.hero-label .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  animation:dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse{
  0%,100%{opacity:.4}50%{opacity:1}
}

.hero-text h1{
  font-size:clamp(2.6rem,5.5vw,4.2rem);
  font-weight:800;line-height:1.05;
  letter-spacing:-.03em;margin-bottom:1.2rem;
}
.hero-text h1 .line{display:block}
.hero-text h1 .gradient{
  background:linear-gradient(135deg,var(--cyan) 0%,var(--purple) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-text p{
  font-size:1.12rem;color:var(--muted);
  max-width:440px;margin-bottom:2.2rem;
  line-height:1.7;
}
.hero-badges{display:flex;gap:.9rem;flex-wrap:wrap}

.store-badge{
  display:inline-flex;align-items:center;gap:.65rem;
  padding:.8rem 1.6rem;border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  font-weight:600;font-size:.92rem;
  color:var(--text);
  transition:all .35s cubic-bezier(.4,0,.2,1);
  cursor:pointer;
}
.store-badge:hover{
  border-color:var(--cyan);
  background:rgba(0,245,212,.06);
  transform:translateY(-3px);
  box-shadow:0 12px 35px rgba(0,245,212,.12);
  color:var(--text);
}
.store-badge svg{width:20px;height:20px;fill:currentColor;flex-shrink:0}
.store-badge small{font-size:.65rem;font-weight:400;color:var(--muted);display:block;line-height:1}

/* Phone showcase */
.hero-visual{
  flex:1;display:flex;justify-content:center;
  align-items:center;position:relative;
  min-height:500px;
}
.phone-frame{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  border:1.5px solid rgba(255,255,255,.1);
  box-shadow:
    0 30px 80px rgba(0,0,0,.5),
    0 0 0 1px rgba(255,255,255,.03) inset;
  transition:transform .5s cubic-bezier(.4,0,.2,1);
}
.phone-frame img{display:block;width:100%;height:auto}
.phone-frame::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.04) 0%,transparent 30%);
  pointer-events:none;border-radius:28px;
}
.phone-left{
  width:210px;
  transform:rotate(-6deg) translateY(20px);
  z-index:2;
}
.phone-left:hover{transform:rotate(-4deg) translateY(14px) scale(1.02)}
.phone-right{
  width:210px;
  transform:rotate(6deg) translateY(-20px);
  z-index:2;
  margin-left:-30px;
}
.phone-right:hover{transform:rotate(4deg) translateY(-26px) scale(1.02)}

/* Connection beam between phones */
.phone-bridge{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:120px;height:120px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,245,212,.2) 0%,transparent 70%);
  filter:blur(20px);
  z-index:1;
  animation:bridgePulse 3s ease-in-out infinite;
}
@keyframes bridgePulse{
  0%,100%{opacity:.5;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.3)}
}

@media(max-width:960px){
  .hero-inner{flex-direction:column;text-align:center}
  .hero-text{max-width:100%}
  .hero-text p{margin-left:auto;margin-right:auto}
  .hero-badges{justify-content:center}
  .hero-visual{min-height:380px}
  .phone-left{width:170px}
  .phone-right{width:170px;margin-left:-25px}
}
@media(max-width:500px){
  .hero{padding:7rem 1.5rem 3rem}
  .phone-left,.phone-right{width:140px}
  .phone-right{margin-left:-20px}
  .hero-text h1{font-size:2.2rem}
}

/* ============================================
   FEATURES — BENTO GRID
   ============================================ */
.features{
  padding:7rem 2.5rem;
  max-width:1140px;margin:0 auto;
}
.section-label{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.75rem;font-weight:600;
  color:var(--cyan);letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:1rem;
}
.section-label::before{
  content:'';width:24px;height:1.5px;background:var(--cyan);
}
.section-title{
  font-size:clamp(2rem,4vw,2.8rem);
  font-weight:800;letter-spacing:-.03em;
  line-height:1.1;margin-bottom:.6rem;
}
.section-title .gradient{
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.section-sub{
  color:var(--muted);font-size:1.05rem;
  margin-bottom:3.5rem;max-width:500px;
}
.features .section-label,
.features .section-title,
.features .section-sub{text-align:left}

.bento{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:auto auto;
  gap:1.2rem;
}
.bento-card{
  background:var(--bg2);
  border:1px solid rgba(255,255,255,.05);
  border-radius:var(--radius);
  padding:2rem 1.8rem;
  position:relative;overflow:hidden;
  transition:all .4s cubic-bezier(.4,0,.2,1);
}
.bento-card::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  opacity:0;transition:opacity .4s;
}
.bento-card:hover{
  border-color:rgba(255,255,255,.1);
  transform:translateY(-4px);
  box-shadow:0 20px 50px rgba(0,0,0,.3);
}
.bento-card:hover::before{opacity:1}

/* Bento — featured large card */
.bento-card.featured{
  grid-column:span 2;
  background:linear-gradient(145deg,rgba(0,245,212,.05),rgba(177,108,234,.04));
  border-color:rgba(0,245,212,.1);
}
.bento-icon{
  width:50px;height:50px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:1.2rem;font-size:1.5rem;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
}
.bento-card.featured .bento-icon{
  background:linear-gradient(135deg,rgba(0,245,212,.15),rgba(177,108,234,.1));
  border-color:rgba(0,245,212,.2);
}
.bento-card h3{
  font-family:'Syne',sans-serif;
  font-size:1.15rem;font-weight:700;
  margin-bottom:.5rem;letter-spacing:-.01em;
}
.bento-card p{
  color:var(--muted);font-size:.9rem;line-height:1.65;
}

@media(max-width:768px){
  .bento{grid-template-columns:1fr}
  .bento-card.featured{grid-column:span 1}
  .features{padding:5rem 1.5rem}
}

/* ============================================
   SCREENSHOTS SHOWCASE
   ============================================ */
.screenshots{
  padding:7rem 2.5rem;
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 50%,var(--bg) 100%);
  position:relative;overflow:hidden;
}
.screenshots::before{
  content:'';position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:800px;height:400px;
  background:radial-gradient(ellipse,rgba(0,245,212,.04) 0%,transparent 70%);
  pointer-events:none;
}
.screenshots-inner{max-width:1000px;margin:0 auto;text-align:center}
.screenshots .section-label,
.screenshots .section-title,
.screenshots .section-sub{text-align:center}
.screenshots .section-sub{margin-left:auto;margin-right:auto}

.phone-showcase{
  display:flex;justify-content:center;align-items:center;
  gap:2rem;margin-top:3rem;
  perspective:1200px;
}
.phone-showcase .showcase-phone{
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  transition:all .5s cubic-bezier(.4,0,.2,1);
}
.phone-showcase .showcase-phone img{width:100%;height:auto;display:block}
.phone-showcase .showcase-phone:nth-child(1){
  width:200px;
  transform:rotateY(8deg) scale(.92);
  opacity:.8;
}
.phone-showcase .showcase-phone:nth-child(2){
  width:240px;
  transform:scale(1.02);
  z-index:2;
  border-color:rgba(0,245,212,.15);
  box-shadow:0 35px 80px rgba(0,0,0,.5),0 0 80px rgba(0,245,212,.08);
}
.phone-showcase .showcase-phone:nth-child(3){
  width:200px;
  transform:rotateY(-8deg) scale(.92);
  opacity:.8;
}
.phone-showcase .showcase-phone:hover{
  opacity:1;transform:scale(1.04);
}

@media(max-width:700px){
  .phone-showcase{gap:1rem}
  .phone-showcase .showcase-phone:nth-child(1),
  .phone-showcase .showcase-phone:nth-child(3){width:130px}
  .phone-showcase .showcase-phone:nth-child(2){width:170px}
  .screenshots{padding:5rem 1.5rem}
}

/* ============================================
   LANGUAGES MARQUEE
   ============================================ */
.languages{
  padding:4rem 0;overflow:hidden;
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.marquee-track{
  display:flex;gap:3rem;
  animation:marquee 30s linear infinite;
  width:max-content;
}
.marquee-track span{
  font-family:'Syne',sans-serif;
  font-size:1.3rem;font-weight:700;
  white-space:nowrap;
  color:rgba(255,255,255,.08);
  transition:color .3s;
}
.marquee-track span:hover{color:rgba(0,245,212,.3)}
@keyframes marquee{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* ============================================
   CTA
   ============================================ */
.cta{padding:7rem 2.5rem;text-align:center;position:relative}
.cta-box{
  max-width:740px;margin:0 auto;
  padding:4rem 3rem;border-radius:24px;
  background:linear-gradient(145deg,rgba(0,245,212,.06),rgba(177,108,234,.06));
  border:1px solid rgba(255,255,255,.06);
  position:relative;overflow:hidden;
}
.cta-box::before{
  content:'';position:absolute;top:-50%;right:-30%;
  width:400px;height:400px;
  background:radial-gradient(circle,rgba(0,245,212,.07),transparent 70%);
  pointer-events:none;
}
.cta-box::after{
  content:'';position:absolute;bottom:-40%;left:-20%;
  width:300px;height:300px;
  background:radial-gradient(circle,rgba(177,108,234,.06),transparent 70%);
  pointer-events:none;
}
.cta-box h2{
  font-family:'Syne',sans-serif;
  font-size:clamp(1.8rem,3.5vw,2.4rem);
  font-weight:800;letter-spacing:-.02em;
  margin-bottom:.6rem;position:relative;z-index:1;
}
.cta-box p{
  color:var(--muted);margin-bottom:2.5rem;
  font-size:1.05rem;position:relative;z-index:1;
}
.cta-buttons{
  display:flex;gap:1rem;justify-content:center;
  flex-wrap:wrap;position:relative;z-index:1;
}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.9rem 2.2rem;border-radius:14px;
  font-weight:600;font-size:.95rem;
  transition:all .35s cubic-bezier(.4,0,.2,1);
  cursor:pointer;border:none;font-family:'Outfit',sans-serif;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),#00c9b0);
  color:var(--bg);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 40px rgba(0,245,212,.25);
  color:var(--bg);
}
.btn-outline{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.12);
  color:var(--text);
}
.btn-outline:hover{
  border-color:var(--purple);color:var(--purple);
  transform:translateY(-3px);
  box-shadow:0 14px 40px rgba(177,108,234,.15);
}

@media(max-width:600px){
  .cta{padding:4rem 1.5rem}
  .cta-box{padding:2.5rem 1.5rem}
}

/* ============================================
   FOOTER
   ============================================ */
.footer{
  padding:3rem 2.5rem;
  border-top:1px solid rgba(255,255,255,.04);
}
.footer-inner{
  max-width:1140px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;
}
.footer-logo{
  font-size:1.25rem;font-weight:800;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.footer-links{display:flex;gap:2rem;flex-wrap:wrap}
.footer-links a{color:var(--muted);font-size:.85rem;font-weight:500}
.footer-links a:hover{color:var(--cyan)}
.footer-copy{
  color:rgba(255,255,255,.2);
  font-size:.78rem;width:100%;text-align:center;margin-top:1.5rem;
}
@media(max-width:600px){
  .footer-inner{flex-direction:column;text-align:center}
  .footer-links{justify-content:center}
}

/* ============================================
   LEGAL & CONTACT PAGES
   ============================================ */
.page-header{
  padding:9rem 2.5rem 3.5rem;text-align:center;
  position:relative;overflow:hidden;
}
.page-header::before{
  content:'';position:absolute;top:-20%;left:50%;
  transform:translateX(-50%);
  width:600px;height:300px;
  background:radial-gradient(ellipse,rgba(0,245,212,.06),transparent 70%);
  pointer-events:none;
}
.page-header h1{
  font-size:clamp(2.2rem,4.5vw,3rem);
  font-weight:800;letter-spacing:-.03em;
  position:relative;z-index:1;
}
.page-header h1 .gradient{
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.page-content{
  max-width:760px;margin:0 auto;
  padding:3rem 2.5rem 7rem;
}
.page-content h2{
  font-family:'Syne',sans-serif;
  font-size:1.3rem;font-weight:700;
  margin-top:2.8rem;margin-bottom:.8rem;
  color:var(--cyan);letter-spacing:-.01em;
}
.page-content p,.page-content li{
  color:var(--muted);margin-bottom:.8rem;font-size:.95rem;line-height:1.75;
}
.page-content ul{padding-left:1.5rem}
.page-content ul li{margin-bottom:.5rem}
.page-content a{color:var(--cyan)}
.page-content strong{color:var(--text)}

.contact-card{
  background:var(--bg2);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  padding:3rem;text-align:center;margin-top:2.5rem;
  position:relative;overflow:hidden;
}
.contact-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(145deg,rgba(0,245,212,.03),rgba(177,108,234,.03));
  pointer-events:none;
}
.contact-card .email-link{
  font-family:'Syne',sans-serif;
  font-size:1.5rem;font-weight:800;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  position:relative;z-index:1;
}
.contact-card .email-link:hover{opacity:.85}
.contact-card p{color:var(--muted);margin-top:.6rem;position:relative;z-index:1}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal{
  opacity:0;transform:translateY(30px);
  transition:opacity .7s cubic-bezier(.4,0,.2,1),
             transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}
.reveal-delay-5{transition-delay:.5s}

/* Hero entrance */
.hero-text{animation:heroTextIn .9s cubic-bezier(.4,0,.2,1) both}
.hero-visual{animation:heroVisualIn 1s cubic-bezier(.4,0,.2,1) .2s both}
@keyframes heroTextIn{
  from{opacity:0;transform:translateY(40px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes heroVisualIn{
  from{opacity:0;transform:translateY(50px) scale(.95)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--surface)}