:root{
  --bg:#080B14;
  --navy:#0E1424;
  --navy-2:#141B2E;
  --panel:#111827;
  --blue:#4F8FFF;
  --blue-bright:#6EA8FF;
  --violet:#8B7FFF;
  --gold:#F2C572;
  --white:#FFFFFF;
  --grey:#8891A6;
  --grey-dim:#5C6478;
  --border:rgba(143,159,255,0.14);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth; overflow-x:hidden; width:100%;}
body{
  font-family:'Inter',Arial,sans-serif;
  background:var(--bg);
  color:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  width:100%;
}
h1,h2,h3{font-family:'Sora',Arial,sans-serif;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;}

/* HEADER */
header.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(8,11,20,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
  max-width:1080px; margin:0 auto;
}
.logo{font-family:'Sora',sans-serif; font-weight:700; font-size:18px; letter-spacing:0.2px;}
.logo span{color:var(--blue-bright);}
.nav-links{display:flex; gap:28px; font-size:14px; font-weight:500; color:var(--grey);}
.nav-links a:hover{color:var(--white);}
.header-spacer{display:none; width:36px;}
@media (max-width:760px){ .nav-links{display:none;} .header-spacer{display:block;} }

/* MOBILE MENU */
.menu-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; background:transparent; border:none; cursor:pointer; padding:0; margin-left:12px;
}
.menu-toggle span{display:block; width:100%; height:2px; background:var(--white); border-radius:2px; transition:transform .2s ease, opacity .2s ease;}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.open span:nth-child(2){opacity:0;}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none; flex-direction:column;
  padding:6px 24px 18px;
  border-top:1px solid var(--border);
  background:rgba(8,11,20,0.98);
}
.mobile-nav a{
  padding:15px 0; font-size:15.5px; font-weight:500; color:var(--grey);
  border-bottom:1px solid var(--border);
}
.mobile-nav a:last-child{border-bottom:none;}
.mobile-nav.open{display:flex;}
@media (max-width:760px){ .menu-toggle{display:flex;} }
@media (min-width:761px){ .mobile-nav{display:none !important;} }

/* HERO */
.hero{
  position:relative;
  background:#050710 url('ai-optimization-hero.jpg') center/cover no-repeat;
  padding:96px 24px 90px;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(5,7,16,0.55) 0%, rgba(5,7,16,0.35) 40%, rgba(8,11,20,0.92) 100%);
}
.hero-inner{position:relative; z-index:2; max-width:760px; margin:0 auto; text-align:center;}
.eyebrow{
  display:inline-flex; gap:10px; align-items:center;
  font-size:12px; font-weight:600; letter-spacing:1.5px; text-transform:uppercase;
  color:var(--blue-bright);
  margin-bottom:22px;
}
.eyebrow .dot{width:5px; height:5px; border-radius:50%; background:var(--blue-bright);}
h1.hero-title{
  font-size:clamp(32px,6vw,56px);
  font-weight:700;
  line-height:1.12;
  margin-bottom:20px;
  letter-spacing:-0.5px;
}
h1.hero-title .grad{
  background:linear-gradient(90deg, var(--blue-bright), var(--violet));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  font-size:clamp(15px,2.4vw,18px);
  color:#C7CDE0;
  max-width:560px; margin:0 auto 34px;
}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:15px 28px;
  font-weight:600; font-size:15px;
  border-radius:9px;
}
.btn-primary{background:linear-gradient(90deg, var(--blue), var(--violet)); color:var(--white);}
.btn-ghost{background:transparent; border:1px solid var(--border); color:var(--white);}
.mid-cta{text-align:center; padding:36px 24px; background:var(--bg);}
.btn-mid{
  display:inline-flex; align-items:center;
  background:var(--blue); color:var(--white);
  font-weight:600; font-size:14px;
  padding:12px 24px; border-radius:9px;
}
.btn-mid:hover{filter:brightness(1.05);}
.pillars-row{
  display:flex; gap:12px; justify-content:center; flex-wrap:wrap;
  margin-top:40px;
}
.pillar-chip{
  font-size:13px; font-weight:600; letter-spacing:0.5px;
  padding:8px 16px; border-radius:100px;
  border:1px solid var(--border);
  color:var(--grey);
}

/* SECTION SHARED */
.section{padding:80px 0;}
.section-eyebrow{
  font-size:12px; font-weight:700; letter-spacing:2px; text-transform:uppercase;
  color:var(--blue-bright); margin-bottom:12px; text-align:center;
}
.section-title{
  font-size:clamp(26px,4.2vw,38px);
  font-weight:700;
  color:var(--gold);
  text-align:center;
  margin-bottom:16px;
  letter-spacing:-0.3px;
}
.section-lede{
  text-align:center; color:var(--grey);
  max-width:600px; margin:0 auto 48px;
  font-size:16px;
}

/* WHAT CHANGED */
.changed{background:var(--navy);}
.changed-body{max-width:720px; margin:0 auto;}
.changed-body p{color:#C7CDE0; font-size:16px; margin-bottom:16px;}
.changed-body strong{color:var(--white);}

/* PILLARS */
.pillar-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.pillar-card{
  position:relative; overflow:hidden;
  background:linear-gradient(160deg, var(--panel) 0%, var(--navy) 100%);
  border:1px solid var(--border);
  border-top:3px solid var(--acc);
  border-radius:12px;
  padding:30px 24px;
}
.pillar-card:nth-of-type(1){--acc:var(--blue);}
.pillar-card:nth-of-type(2){--acc:var(--violet);}
.pillar-card:nth-of-type(3){--acc:#5AD1C9;}
.pillar-letter{
  font-family:'Sora',sans-serif; font-weight:800; font-size:15px;
  color:var(--acc);
  letter-spacing:1px;
  margin-bottom:14px;
}
.pillar-card h3{font-size:19px; margin-bottom:10px;}
.pillar-card p{font-size:14.5px; color:var(--grey);}

/* HOW IT WORKS */
.how{background:var(--bg);}
.how-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0;
  position:relative;
}
.how-step{
  position:relative;
  padding:0 22px;
  text-align:left;
}
.how-num{
  width:40px; height:40px;
  border-radius:50%;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-family:'Sora',sans-serif; font-weight:700; font-size:15px;
  color:var(--blue-bright);
  margin-bottom:18px;
  background:var(--navy-2);
}
.how-step h3{font-size:18px; margin-bottom:10px;}
.how-step p{font-size:14.5px; color:var(--grey);}

/* METHOD / TRUST */
.method{
  position:relative;
  background:var(--navy) url('ai-optimization-results.jpg') center/cover no-repeat;
  padding:90px 24px;
}
.method::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(8,11,20,0.94) 15%, rgba(8,11,20,0.55) 65%, rgba(8,11,20,0.85) 100%);
}
.method-inner{position:relative; z-index:2; max-width:520px;}
.method h2{font-size:clamp(24px,4vw,34px); margin-bottom:18px; font-weight:700; color:var(--gold);}
.method p{color:#C7CDE0; font-size:15.5px; margin-bottom:14px;}
.method-tags{display:flex; gap:10px; flex-wrap:wrap; margin-top:22px;}
.method-tag{font-size:12.5px; font-weight:600; color:var(--blue-bright); border:1px solid var(--border); padding:6px 12px; border-radius:100px;}

/* EXAMPLES */
.examples{background:var(--bg);}
.example-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
  margin-bottom:32px;
}
.example-card{
  display:block;
  background:linear-gradient(160deg, var(--panel) 0%, var(--navy) 100%);
  border:1px solid var(--border);
  border-radius:12px;
  padding:26px 24px;
  transition:border-color .2s ease;
}
.example-card:hover{border-color:var(--blue-bright);}
.example-card h3{font-size:19px; font-weight:700; color:var(--white); margin-bottom:6px;}
.example-card p{font-size:13.5px; color:var(--grey); margin-bottom:14px;}
.example-score-row{display:flex; align-items:baseline; gap:8px; margin-bottom:18px;}
.example-scored-label{font-size:14px; font-weight:500; color:var(--grey);}
.example-score{
  font-family:'JetBrains Mono',monospace; font-weight:700; font-size:30px;
  color:var(--blue-bright);
}
.example-score span{font-family:'JetBrains Mono',monospace; font-size:18px; font-weight:600; color:var(--blue-bright); opacity:0.75;}
.example-link{font-size:13.5px; font-weight:600; color:var(--blue-bright);}
.example-note{text-align:center; color:var(--grey); font-size:15px; max-width:520px; margin:0 auto;}
@media (max-width:760px){ .example-grid{grid-template-columns:1fr;} }

/* ABOUT */
.about{background:var(--navy);}
.about-heading{display:flex; align-items:center; justify-content:center; gap:16px; margin-bottom:8px;}
.about-heading .section-title{margin-bottom:0;}
.about-photo{width:56px; height:56px; border-radius:50%; object-fit:cover; border:2px solid var(--border); flex-shrink:0;}
.about-text{max-width:720px; margin:0 auto;}
.about-text p{color:#C7CDE0; font-size:15.5px; margin-bottom:14px;}
@media (max-width:520px){
  .about-heading{flex-direction:column; gap:12px;}
}

/* FAQ */
.faq{background:var(--navy);}
.faq-list{max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:2px;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:10px;
  padding:22px 24px;
}
.faq-item h3{font-size:16px; font-weight:600; margin-bottom:8px; color:var(--white);}
.faq-item p{font-size:14.5px; color:var(--grey);}

/* CONTACT */
.contact{
  background:linear-gradient(160deg, var(--navy-2), var(--bg));
  text-align:center;
  padding:90px 24px;
}
.contact h2{font-size:clamp(26px,4.5vw,40px); font-weight:700; color:var(--gold); margin-bottom:16px;}
.contact p{color:var(--grey); max-width:480px; margin:0 auto 32px; font-size:15.5px;}
.whatsapp-cta{
  display:inline-flex; align-items:center; gap:10px;
  background:#1FAF4E; color:#fff; font-weight:700;
  padding:16px 30px; border-radius:9px; font-size:15.5px;
}
.contact-note{margin-top:10px; font-size:13px; color:var(--grey-dim);}

/* FOOTER */
footer{
  background:var(--bg);
  border-top:1px solid var(--border);
  padding:44px 24px 30px;
}
.footer-inner{
  max-width:1080px; margin:0 auto;
  display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:24px;
}
.footer-brand .logo{margin-bottom:8px;}
.footer-brand p{color:var(--grey-dim); font-size:13.5px; max-width:280px;}
.footer-links{display:flex; gap:36px; flex-wrap:wrap;}
.footer-col h4{font-size:13px; color:var(--grey); text-transform:uppercase; letter-spacing:1px; margin-bottom:12px;}
.footer-col a{display:block; font-size:14px; color:var(--grey-dim); margin-bottom:8px;}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  max-width:1080px; margin:36px auto 0; padding-top:20px;
  border-top:1px solid var(--border);
  font-size:12.5px; color:var(--grey-dim);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* SIMPLE PAGE HERO (About / FAQ) */
.page-hero{padding:64px 24px 20px; text-align:center;}
.page-hero h1{font-size:clamp(28px,5vw,42px); font-weight:700; color:var(--gold); margin-bottom:12px;}
.page-hero p{color:var(--grey); max-width:560px; margin:0 auto; font-size:16px;}

@media (max-width:760px){
  .pillar-grid{grid-template-columns:1fr;}
  .how-grid{grid-template-columns:1fr; gap:36px;}
  .method-inner{max-width:100%;}
}