/* ============================================================
   EVADAV — premium ad-network site. Dark, teal-luminous, light.
   Design system: variables, layout, components, motion, responsive.
   ============================================================ */

:root{
  --bg:#07120f;
  --bg-2:#0a1714;
  --surface:#0d1e19;
  --surface-2:#11251f;
  --surface-3:#163029;
  --border:rgba(255,255,255,.08);
  --border-2:rgba(255,255,255,.14);
  --teal:#26c0a9;
  --teal-deep:#01b69b;
  --teal-glow:#4fe6cc;
  --lime:#9be870;
  --ink:#ecf6f3;
  --ink-2:#cfe0db;
  --muted:#8ba49d;
  --muted-2:#62786f;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --max:1200px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.6);
  --shadow-teal:0 20px 60px -16px rgba(38,192,169,.35);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-display:"Clash Display","General Sans",sans-serif;
  --font-body:"General Sans",system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-weight:400;line-height:1.6;
  font-size:clamp(15px,1.05vw,17px);letter-spacing:.1px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--teal);color:#03100d}

/* ---- atmosphere: grain + glow field ---- */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.4;
  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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* ---- typography ---- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.04;letter-spacing:-.02em;margin:0}
.eyebrow{
  font-family:var(--font-body);font-weight:600;font-size:.78rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal);display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--teal))}
.lead{font-size:clamp(1.05rem,1.5vw,1.25rem);color:var(--ink-2);max-width:60ch}
.muted{color:var(--muted)}
.teal{color:var(--teal)}
.grad-text{
  background:linear-gradient(120deg,#fff 0%,var(--teal-glow) 55%,var(--teal-deep) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---- layout ---- */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:clamp(20px,5vw,40px);position:relative;z-index:1}
.section{padding-block:clamp(64px,9vw,120px);position:relative;z-index:1}
.section-head{max-width:62ch;margin-bottom:clamp(36px,5vw,60px)}
.section-head h2{font-size:clamp(2rem,4.4vw,3.4rem);margin:.4em 0 .5em}
.center{text-align:center;margin-inline:auto}
.center .eyebrow{justify-content:center}
.center .eyebrow::before{display:none}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(14px);
  background:linear-gradient(180deg,rgba(7,18,15,.92),rgba(7,18,15,.62));
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.site-header.scrolled{border-color:var(--border);background:rgba(7,18,15,.9)}
.nav{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{height:30px;width:auto}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;color:var(--ink-2);
  font-weight:500;font-size:.95rem;transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--teal),var(--teal-glow));
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

/* language switch */
.lang{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;background:rgba(255,255,255,.03)}
.lang button{
  background:none;border:0;color:var(--muted);font-weight:600;font-size:.78rem;letter-spacing:.04em;
  padding:7px 11px;transition:color .2s,background .2s;
}
.lang button.on{color:#03100d;background:var(--teal)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:600;font-size:.95rem;padding:11px 20px;border-radius:999px;
  border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .25s,background .25s,color .2s,border-color .2s;
  white-space:nowrap;will-change:transform;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(120deg,var(--teal),var(--teal-deep));color:#03100d;box-shadow:0 8px 24px -8px rgba(38,192,169,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(38,192,169,.7)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--ink);border-color:var(--border-2)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:var(--teal)}
.btn-lg{padding:15px 28px;font-size:1.02rem}
.btn-block{width:100%}

/* mobile nav */
.burger{display:none;margin-left:6px;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.03);position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
body.menu-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden;padding-top:clamp(40px,7vw,90px);padding-bottom:clamp(60px,9vw,120px)}
.aurora{position:absolute;inset:-20% -10% auto -10%;height:120%;z-index:0;pointer-events:none;filter:blur(10px)}
.aurora i{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;mix-blend-mode:screen;animation:drift 18s var(--ease) infinite alternate}
.aurora i:nth-child(1){width:560px;height:560px;left:-6%;top:-22%;background:radial-gradient(circle,var(--teal-deep),transparent 65%)}
.aurora i:nth-child(2){width:620px;height:620px;right:-8%;top:-10%;background:radial-gradient(circle,#1f8c9e,transparent 62%);animation-delay:-6s}
.aurora i:nth-child(3){width:480px;height:480px;left:34%;top:8%;background:radial-gradient(circle,var(--teal-glow),transparent 60%);opacity:.32;animation-delay:-11s}
@keyframes drift{to{transform:translate3d(60px,40px,0) scale(1.12)}}
.hero::after{ /* fine grid */
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px) 0 0/100% 64px,
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px) 0 0/64px 100%;
  mask-image:radial-gradient(120% 80% at 50% 0,#000,transparent 75%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,64px);align-items:center}
.hero h1{font-size:clamp(2.7rem,6.2vw,5rem);font-weight:700;margin:.5em 0 .35em}
.hero .lead{font-size:clamp(1.08rem,1.7vw,1.32rem)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{display:flex;align-items:center;gap:18px;margin-top:30px;color:var(--muted);font-size:.9rem;flex-wrap:wrap}
.stars{color:var(--teal-glow);letter-spacing:2px}

/* hero visual: glass console */
.console{
  position:relative;border-radius:var(--radius-lg);padding:22px;
  background:linear-gradient(160deg,rgba(22,48,41,.9),rgba(13,30,25,.7));
  border:1px solid var(--border-2);box-shadow:var(--shadow);
  backdrop-filter:blur(6px);
}
.console::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,var(--teal),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.6;pointer-events:none}
.console-top{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.console-top i{width:10px;height:10px;border-radius:50%;background:var(--surface-3);display:block}
.console-top i:first-child{background:var(--teal)}
.console-top span{margin-left:auto;font-size:.74rem;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.console-stat{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.console-stat b{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.7rem);font-weight:600;line-height:1}
.console-stat .up{color:var(--lime);font-size:.85rem;font-weight:600}
.console-label{color:var(--muted);font-size:.86rem;margin-bottom:20px}
.spark{display:flex;align-items:flex-end;gap:5px;height:64px;margin-bottom:18px}
.spark span{flex:1;background:linear-gradient(180deg,var(--teal),rgba(38,192,169,.15));border-radius:4px 4px 2px 2px;animation:rise 2.4s var(--ease) infinite alternate;min-height:8px}
@keyframes rise{to{transform:scaleY(.55)}}
.console-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.console-pill{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:12px;padding:12px}
.console-pill b{display:block;font-family:var(--font-display);font-size:1.15rem}
.console-pill small{color:var(--muted);font-size:.72rem}

/* ============================================================
   STAT BAR / counters
   ============================================================ */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding-block:clamp(34px,5vw,52px)}
.stat b{font-family:var(--font-display);font-weight:600;font-size:clamp(2.1rem,4.5vw,3.2rem);line-height:1;display:block;letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:.92rem;margin-top:8px;display:block}

/* ============================================================
   CARDS / GRIDS / BENTO
   ============================================================ */
.grid{display:grid;gap:20px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;background:linear-gradient(165deg,var(--surface),var(--bg-2));
  border:1px solid var(--border);border-radius:var(--radius);padding:26px;
  transition:transform .35s var(--ease),border-color .3s,box-shadow .3s;overflow:hidden;
}
.card:hover{transform:translateY(-6px);border-color:var(--border-2);box-shadow:var(--shadow)}
.card .ico{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(150deg,rgba(38,192,169,.22),rgba(38,192,169,.05));border:1px solid rgba(38,192,169,.25);color:var(--teal-glow);
}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:1.32rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem;margin:0}
.card .glow{position:absolute;width:160px;height:160px;right:-40px;top:-40px;background:radial-gradient(circle,rgba(38,192,169,.25),transparent 70%);opacity:0;transition:opacity .4s}
.card:hover .glow{opacity:1}

/* bento (uneven) */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.bento .card{margin:0}
.b-3{grid-column:span 3}
.b-2{grid-column:span 2}
.b-4{grid-column:span 4}
.b-6{grid-column:span 6}
.card.feature{padding:30px}
.card.feature h3{font-size:1.6rem}

/* format card with stats */
.fmt{display:flex;flex-direction:column;gap:18px}
.fmt .tag{align-self:flex-start;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);background:rgba(38,192,169,.1);border:1px solid rgba(38,192,169,.25);padding:5px 11px;border-radius:999px}
.fmt-stats{display:flex;gap:22px;flex-wrap:wrap;margin-top:auto;padding-top:18px;border-top:1px solid var(--border)}
.fmt-stats div b{font-family:var(--font-display);font-size:1.25rem;display:block}
.fmt-stats div small{color:var(--muted);font-size:.74rem}

/* steps */
.steps{counter-reset:s;display:grid;gap:20px}
.step{position:relative;padding:26px 26px 26px 78px;background:linear-gradient(165deg,var(--surface),var(--bg-2));border:1px solid var(--border);border-radius:var(--radius)}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:24px;top:24px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-family:var(--font-display);font-weight:600;color:#03100d;background:linear-gradient(140deg,var(--teal),var(--teal-deep))}
.step h3{font-size:1.2rem;margin-bottom:6px}
.step p{color:var(--muted);margin:0;font-size:.95rem}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--border);color:var(--ink-2)}
.checklist li:last-child{border-bottom:0}
.checklist li::before{content:"";flex:0 0 22px;height:22px;border-radius:50%;margin-top:2px;background:rgba(38,192,169,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234fe6cc' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;border:1px solid rgba(38,192,169,.3)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{font-size:.85rem;color:var(--ink-2);background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:999px;padding:8px 15px;transition:.25s}
.chip:hover{border-color:var(--teal);color:#fff}

/* marquee */
.marquee{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:46px;width:max-content;animation:scroll 26s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{font-family:var(--font-display);font-size:1.05rem;color:var(--muted);font-weight:500;display:flex;align-items:center;gap:46px;white-space:nowrap}
.marquee-track span::after{content:"●";color:var(--teal);font-size:.5rem}
@keyframes scroll{to{transform:translateX(-50%)}}

/* CTA band */
.cta-band{position:relative;border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px);text-align:center;overflow:hidden;
  background:linear-gradient(150deg,#0c241e,#08453c 55%,#0c241e);border:1px solid rgba(38,192,169,.22)}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 120% at 50% -10%,rgba(38,192,169,.4),transparent 60%);opacity:.6}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.9rem,4vw,3rem);margin-bottom:14px}
.cta-band .lead{margin-inline:auto;margin-bottom:28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============================================================
   FORM (contact)
   ============================================================ */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:.84rem;color:var(--muted);font-weight:500}
.field input,.field textarea,.field select{
  background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;
  padding:13px 15px;color:var(--ink);font-family:inherit;font-size:.96rem;transition:.25s;width:100%;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--teal);background:rgba(38,192,169,.05);box-shadow:0 0 0 4px rgba(38,192,169,.12)}
.field textarea{resize:vertical;min-height:130px}

/* contact channels */
.channel{display:flex;align-items:center;gap:15px;padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(165deg,var(--surface),var(--bg-2));transition:.3s}
.channel:hover{border-color:var(--teal);transform:translateY(-3px)}
.channel .ico{flex:0 0 46px;height:46px;margin:0;border-radius:13px}
.channel b{display:block;font-family:var(--font-display);font-size:1.02rem}
.channel small{color:var(--muted)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{position:relative;z-index:1;border-top:1px solid var(--border);margin-top:30px;padding-block:clamp(48px,6vw,72px) 30px;background:linear-gradient(180deg,transparent,rgba(38,192,169,.04))}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:46px}
.foot-brand img{height:30px;margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:.92rem;max-width:34ch}
.foot-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.16em;color:var(--muted-2);margin-bottom:16px;font-family:var(--font-body);font-weight:600}
.foot-col a{display:block;color:var(--ink-2);padding:6px 0;font-size:.94rem;transition:color .2s,transform .2s}
.foot-col a:hover{color:var(--teal);transform:translateX(3px)}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--muted);transition:.25s}
.socials a:hover{color:#03100d;background:var(--teal);border-color:var(--teal);transform:translateY(-3px)}
.socials svg{width:18px;height:18px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--border);color:var(--muted);font-size:.86rem}

/* ============================================================
   MOTION — reveal on scroll
   ============================================================ */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal].d1{transition-delay:.08s}[data-reveal].d2{transition-delay:.16s}
[data-reveal].d3{transition-delay:.24s}[data-reveal].d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .split{grid-template-columns:1fr}
  .statbar{grid-template-columns:repeat(2,1fr);gap:30px 20px}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .bento .card{grid-column:span 3!important}
}
@media (max-width:760px){
  .nav-links,.nav-right .lang,.nav-right .btn{display:none}
  .burger{display:block}
  .nav-right{margin-left:auto}
  /* mobile drawer */
  .mobile-menu{
    position:fixed;inset:74px 0 0;z-index:49;background:rgba(7,18,15,.98);backdrop-filter:blur(16px);
    transform:translateX(100%);transition:transform .4s var(--ease);
    display:flex;flex-direction:column;padding:26px clamp(20px,6vw,36px);overflow-y:auto;
  }
  body.menu-open .mobile-menu{transform:none}
  .mobile-menu a.m-link{font-family:var(--font-display);font-size:1.7rem;padding:14px 0;border-bottom:1px solid var(--border);color:var(--ink)}
  .mobile-menu a.m-link.active{color:var(--teal)}
  .mobile-actions{display:flex;flex-direction:column;gap:12px;margin-top:26px}
  .mobile-lang{display:flex;gap:10px;margin-top:22px;justify-content:center}
}
@media (min-width:761px){.mobile-menu{display:none}}
@media (max-width:560px){
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .console-row{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta .btn{flex:1}
}