/* ===========================================================
   ADVERCOD — Fonts
   =========================================================== */
@font-face{
  font-family: 'Clash Display';
  src: url('../fonts/clash-display/ClashDisplay-Extralight.woff2') format('woff2'),
       url('../fonts/clash-display/ClashDisplay-Extralight.woff') format('woff');
  font-weight: 200;
  font-display: swap;
  font-style: normal;
}
@font-face{
  font-family: 'Clash Display';
  src: url('../fonts/clash-display/ClashDisplay-Light.woff2') format('woff2'),
       url('../fonts/clash-display/ClashDisplay-Light.woff') format('woff');
  font-weight: 300;
  font-display: swap;
  font-style: normal;
}
@font-face{
  font-family: 'Clash Display';
  src: url('../fonts/clash-display/ClashDisplay-Regular.woff2') format('woff2'),
       url('../fonts/clash-display/ClashDisplay-Regular.woff') format('woff');
  font-weight: 400;
  font-display: swap;
  font-style: normal;
}
@font-face{
  font-family: 'Clash Display';
  src: url('../fonts/clash-display/ClashDisplay-Medium.woff2') format('woff2'),
       url('../fonts/clash-display/ClashDisplay-Medium.woff') format('woff');
  font-weight: 500;
  font-display: swap;
  font-style: normal;
}
@font-face{
  font-family: 'Clash Display';
  src: url('../fonts/clash-display/ClashDisplay-Semibold.woff2') format('woff2'),
       url('../fonts/clash-display/ClashDisplay-Semibold.woff') format('woff');
  font-weight: 600;
  font-display: swap;
  font-style: normal;
}
@font-face{
  font-family: 'Clash Display';
  src: url('../fonts/clash-display/ClashDisplay-Bold.woff2') format('woff2'),
       url('../fonts/clash-display/ClashDisplay-Bold.woff') format('woff');
  font-weight: 700;
  font-display: swap;
  font-style: normal;
}

/* ===========================================================
   ADVERCOD — Design tokens
   =========================================================== */
:root{
  --bg: #0B0B0D;
  --bg-alt: #111114;
  --card: #17171B;
  --line: rgba(255,255,255,0.10);
  --white: #FAFAF9;
  --muted: #9A9AA2;
  --accent: #C6FF3D;
  --accent-dim: #9FDB1E;
  --black-on-accent: #0B0B0D;

  --bg-light: #FFFFFF;
  --text-dark: #0B0B0D;
  --muted-dark: #6A6A72;
  --line-light: rgba(11,11,13,0.10);

  --font-body: 'Poppins', system-ui, sans-serif;
  --font-heading: 'Clash Display', 'Poppins', system-ui, sans-serif;

  --container: 1180px;
  --rail-w: 88px;
  --edge-pad: 32px;
  --radius: 14px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3{ margin:0; font-family: var(--font-heading); font-weight: 700; letter-spacing: -0.01em; }
p{ margin:0; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent{ color: var(--accent); }

.eyebrow{
  display:inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow--accent{ color: var(--accent); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

/* Subtle grain to keep the dark surfaces from feeling flat */
.noise-overlay{
  position: fixed; inset:0; pointer-events:none; z-index: 999;
  opacity: 0.025; mix-blend-mode: overlay;
  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");
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
  border: none;
  cursor:pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.btn--accent{
  background: var(--accent);
  color: var(--black-on-accent);
}
.btn--accent:hover{
  background: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(198,255,61,0.18);
}
.btn--accent:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ===========================================================
   HERO FRAME (nav + hero share one full-bleed left rail)
   =========================================================== */
.hero-frame{ position:relative; border-bottom: 1px solid var(--line); }
.hero-frame__rail{
  position:absolute; top:0; bottom:0; left: var(--rail-w);
  width:1px; background: var(--line); pointer-events:none; z-index:5;
}

/* ===========================================================
   NAV
   =========================================================== */
.nav{
  position: sticky; top:0; z-index: 100;
  background: rgba(11,11,13,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner{
  position:relative;
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
  padding: 0 var(--edge-pad) 0 calc(var(--rail-w) + var(--edge-pad));
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand__mark{
  position:absolute; left:0; top:0; bottom:0; width: var(--rail-w);
  display:flex; align-items:center; justify-content:center;
  color: var(--accent);
}
.brand__mark img{ width: 22px; height:auto; display:block; }
.footer .brand__mark{ position:static; width:auto; }
.footer .brand__mark img{ width: 20px; }
.brand__word{
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
}
.nav__links{ display:flex; gap: 36px; }
.nav__links a{
  font-size: 14px; font-weight: 500; color: var(--muted);
  transition: color .2s var(--ease);
}
.nav__links a:hover{ color: var(--white); }
.nav__cta{ padding: 11px 24px; font-size: 13px; }
.nav__burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 34px; height:34px; background:none; border:none; cursor:pointer;
}
.nav__burger span{ width:100%; height:2px; background:var(--white); }

/* ===========================================================
   HERO
   =========================================================== */
.hero{
  position: relative;
  padding: 90px 0 110px;
  overflow: hidden;
}
.hero__pattern{
  position:absolute; right: 0; top: 50%; transform: translateY(-46%); width: 38%; opacity: .9;
  pointer-events:none;
}
.pattern-svg{ width:100%; height:auto; }
.hero__pattern .pattern-img{ display:block; width:100%; height:auto; }
.hero__inner{
  position:relative;
  max-width: 800px;
  padding: 0 var(--edge-pad) 0 calc(var(--rail-w) + var(--edge-pad));
}
.hero__title{
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.15;
}
.hero__sub{
  margin-top: 24px;
  color: var(--muted);
  font-size: 16px;
  max-width: 460px;
}
.hero__cta{ margin-top: 36px; }
.hero__scroll{
  position:absolute; left:0; bottom: 64px; width: var(--rail-w);
  display:flex; flex-direction:column; align-items:center; gap:14px;
  color: var(--white);
}
.hero__scroll-line{ width:1px; height:60px; background: currentColor; opacity:.5; }

/* ===========================================================
   ABOUT
   =========================================================== */
.about{ border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.about__inner{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 64px 24px;
  align-items:start;
}
.about__label .eyebrow{ font-size: 13px; }
.about__text{
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

/* ===========================================================
   ECOSYSTEM
   =========================================================== */
.ecosystem{ padding: 84px 0; border-bottom: 1px solid var(--line-light); background: var(--bg-light); color: var(--text-dark); }
.ecosystem .eyebrow:not(.eyebrow--accent){ color: var(--muted-dark); }
.ecosystem__tabs{
  display:flex; gap: 34px; margin-top: 22px; padding-bottom: 22px;
  border-bottom: 1px solid var(--line-light);
  flex-wrap: wrap;
}
.tab{
  background:none; border:none; cursor:pointer;
  color: var(--muted-dark); font-size: 15px; font-weight: 600;
  padding: 6px 0; position:relative;
}
.tab[aria-selected="true"]{ color: var(--accent); }
.tab[aria-selected="true"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-23px; height:2px; background:var(--accent);
}
.ecosystem__panel{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-top: 56px;
}
.ecosystem__copy h2{ font-size: 32px; margin-bottom: 18px; color: var(--text-dark); }
.ecosystem__copy p{ color: var(--muted-dark); font-size: 15px; max-width: 440px; margin-bottom: 28px; }
.arrow-link{
  display:inline-flex; color: var(--text-dark);
  transition: transform .25s var(--ease);
}
.arrow-link:hover{ transform: translateX(6px); }
.ecosystem__services{ display:flex; flex-direction:column; gap:18px; align-self:center; }
.ecosystem__services li{
  font-size: 15px; font-weight: 600; color: var(--accent-dim);
  text-align:right;
}

/* ===========================================================
   TRUSTED BY
   =========================================================== */
.trusted{ padding: 56px 0; border-bottom: 1px solid var(--line); background: var(--bg-alt); }
.trusted__inner{ display:flex; flex-direction:column; gap: 26px; }
.trusted__logos{
  display:flex; flex-wrap:wrap; gap: 32px 44px;
}
.trusted__logos span{
  color: var(--muted); font-size: 14px; font-weight: 600;
  letter-spacing: 0.01em;
  opacity: .85;
}

/* ===========================================================
   STATS
   =========================================================== */
.stats{ padding: 70px 0; border-bottom: 1px solid var(--line); }
.stats__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat{ display:flex; flex-direction:column; gap: 8px; }
.stat__num{
  font-family: var(--font-heading);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 600;
  color: var(--white);
}
.stat__label{ color: var(--muted); font-size: 14px; }

/* ===========================================================
   MISSION
   =========================================================== */
.mission{
  position:relative;
  padding: 130px 0;
  background: var(--bg-light);
  color: var(--text-dark);
}
.mission__rail{
  position:absolute; left: 80px; top: 0; bottom: 0;
  display:flex; flex-direction:column; justify-content:space-evenly;
  pointer-events:none;
}
.mission__rail span{ display:block; width: 48px; height:1px; background: var(--line-light); }
.mission__rail span.is-long{ width: 120px; background: var(--muted-dark); opacity:.5; }
.mission__inner{ max-width: 640px; margin: 0 auto; text-align:center; }
.mission .eyebrow{ display:block; margin-bottom: 20px; color: var(--muted-dark); }
.mission__text{
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 32px;
  color: var(--text-dark);
  line-height: 1.4;
}

/* ===========================================================
   VISION
   =========================================================== */
.vision{ position:relative; padding: 0; background: var(--bg-light); color: var(--text-dark); border-top: 1px solid var(--line-light); }
.vision__pattern{ pointer-events:none; }
.vision__pattern .pattern-img{ display:block; width:260px; height:auto; }
.vision__inner{ position:absolute; left:0; right:0; top:50%; transform: translateY(-50%); padding-left: 340px; }
.vision .eyebrow{ display:block; margin-bottom: 18px; color: var(--muted-dark); }
.vision__text{
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 24px;
  color: var(--text-dark);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.45;
}
.vision__cards{ display:flex; gap: 20px; flex-wrap:wrap; }
.vision-card{
  background: var(--accent);
  color: var(--black-on-accent);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
  flex: 1 1 220px;
}
.vision-card h3{ font-size: 28px; font-weight: 500; margin-bottom: 6px; }
.vision-card p{ font-size: 13px; font-weight: 500; opacity: .8; }

/* ===========================================================
   WHY CHOOSE US
   =========================================================== */
.why{ position:relative; padding: 110px 0; background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.why__rail{ position:absolute; left: 80px; top:0; bottom:0; width:1px; background: var(--accent); pointer-events:none; }
.why__inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-left: 120px;
}
.why__copy{ display:flex; flex-direction:column; justify-content:space-between; }
.why__copy h2{ font-size: 32px; }
.why__copy h2 .text-accent{ color: var(--white); }
.why__copy p{ color: var(--muted); font-size: 16px; max-width: 400px; line-height: 1.6; }
.why__cards{ display:flex; flex-direction:column; gap: 28px; }
.why-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 44px;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.why-card:hover{ border-color: var(--accent); transform: translateX(4px); }
.why-card h3{ font-size: 24px; font-weight: 500; color: var(--accent); margin-bottom: 14px; }
.why-card p{ font-size: 16px; color: var(--muted); line-height: 1.5; }

/* ===========================================================
   CTA
   =========================================================== */
.cta{ padding: 120px 0; text-align:center; }
.cta .eyebrow{ display:block; margin-bottom: 18px; }
.cta h2{
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 500;
  max-width: 780px;
  margin: 0 auto 40px;
  line-height: 1.3;
}

/* ===========================================================
   FOOTER
   =========================================================== */
.footer{ background: var(--bg-alt); border-top: 1px solid var(--line); padding: 36px 0 18px; }
.footer__inner{
  display:flex; justify-content:space-between; align-items:flex-start;
  flex-wrap: wrap; gap: 40px;
  padding-bottom: 24px;
}
.brand--footer{ color: var(--white); }
.footer__cols{ display:flex; gap: 80px; flex-wrap:wrap; }
.footer__col{ display:flex; flex-direction:column; gap: 12px; }
.footer__heading{ font-size: 13px; color: var(--muted); font-weight: 700; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .06em;}
.footer__col a{ font-size: 14px; color: var(--white); transition: color .2s; }
.footer__col a:hover{ color: var(--accent); }
.footer__bottom{
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 13px;
  color: var(--muted);
}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 900px){
  :root{ --rail-w: 56px; --edge-pad: 20px; }
  .nav__links{
    display:none;
    position:absolute; top:76px; left:0; right:0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction:column; gap:0; padding: 8px 24px 20px;
  }
  .nav--open .nav__links{ display:flex; }
  .nav__links a{ padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__links a:last-child{ border-bottom:none; }
  .nav__burger{ display:flex; }
  .about__inner, .ecosystem__panel, .vision__inner, .why__inner{
    grid-template-columns: 1fr;
  }
  .ecosystem__services li{ text-align:left; }
  .hero__pattern{ opacity: .35; width: 90%; right:-20px; }
  .stats__grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px){
  .hero{ padding: 90px 0 70px; }
  .nav__inner{ height: 66px; }
  .brand__word{ font-size: 15px; }
  .stats__grid{ grid-template-columns: 1fr 1fr; gap: 24px; }
  .cta{ padding: 90px 0; }
}