/* ==========================================================================
   SINFMEDIA — Global styles
   Design tokens, resets, typography, layout primitives and components.
   Shared by every page (index, contact, blogs).
   ========================================================================== */

:root{
  --bg-1:#000000;
  --bg-2:#0A0A0A;
  --card:#131313;
  --text-1:#FFFFFF;
  --text-2:#9A9A9A;
  --accent:#9EDB1B;
  --accent-2:#7AB512;
  --border:rgba(158,219,27,0.22);
  --grad: linear-gradient(90deg, #B8F23A, var(--accent));

  /* Section rhythm (kept compact per brand direction) */
  --section-pad: 90px;
  --section-pad-tight: 56px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-1);
  color:var(--text-1);
  font-family:'Inter', sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,.num{
  font-family:'Space Grotesk', sans-serif;
  letter-spacing:-0.02em;
}
img{max-width:100%; height:auto; display:block;}
a{-webkit-tap-highlight-color:transparent;}

.wrap{max-width:1160px; margin:0 auto; padding:0 40px;}
.eyebrow{
  font-size:12.5px;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  margin-bottom:18px;
  display:inline-block;
}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
section{position:relative; padding:var(--section-pad) 0;}
.divider{height:1px; background:linear-gradient(90deg, transparent, var(--border), transparent); width:100%;}

/* background texture */
.bg-glow{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(600px 400px at 15% 8%, rgba(158,219,27,0.06), transparent 60%),
    radial-gradient(700px 500px at 85% 30%, rgba(158,219,27,0.045), transparent 60%),
    radial-gradient(600px 500px at 30% 85%, rgba(158,219,27,0.04), transparent 60%),
    var(--bg-1);
}
.grid-lines{
  position:fixed; inset:0; z-index:-1; opacity:0.035; pointer-events:none;
  background-image: linear-gradient(var(--accent) 1px, transparent 1px), linear-gradient(90deg, var(--accent) 1px, transparent 1px);
  background-size:60px 60px;
}

/* NAV */
nav{
  position:sticky; top:0; z-index:50;
  background:rgba(11,14,20,0.75);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
nav .wrap{display:flex; align-items:center; justify-content:space-between; padding:18px 40px; gap:20px;}
.logo{font-size:20px; font-weight:700; letter-spacing:-0.01em;}
.logo span{color:var(--accent);}
.logo-img{height:28px; width:auto; display:block;}
footer .logo-img{height:34px; margin-bottom:4px;}
.nav-links{display:flex; gap:36px; font-size:14px; color:var(--text-2); list-style:none;}
.nav-links a{color:var(--text-2); text-decoration:none; padding:6px 0;}
.nav-links a:hover, .nav-links a:focus-visible{color:var(--text-1);}
.nav-links a.active{color:var(--text-1);}
.cta-btn{
  background:var(--grad);
  color:#0A1400;
  font-weight:600;
  font-size:14px;
  padding:12px 24px;
  border-radius:999px;
  text-decoration:none;
  white-space:nowrap;
  box-shadow:0 0 24px rgba(158,219,27,0.22);
  border:none;
  display:inline-block;
  cursor:pointer;
}
.ghost-btn{
  border:1px solid var(--border); color:var(--text-1); padding:12px 24px; border-radius:999px;
  text-decoration:none; font-size:14px; font-weight:500; display:inline-block; background:transparent; cursor:pointer;
}

/* Mobile nav toggle (hidden on desktop, see responsive.css) */
.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--border);
  border-radius:10px;
  width:42px; height:38px;
  align-items:center; justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{width:20px; height:20px;}
.nav-toggle .icon-close{display:none;}
.nav-toggle[aria-expanded="true"] .icon-open{display:none;}
.nav-toggle[aria-expanded="true"] .icon-close{display:block;}

/* COVER / HERO */
.cover{
  min-height:78vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding:110px 40px 80px;
}
.market-tag{
  font-size:12px; letter-spacing:0.2em; color:var(--text-2); margin-bottom:28px;
  border:1px solid var(--border); padding:8px 18px; border-radius:999px;
}
.cover h1{
  font-size:clamp(38px, 6vw, 76px);
  font-weight:700;
  max-width:900px;
  line-height:1.08;
  margin-bottom:26px;
}
.cover p.sub{
  max-width:560px; color:var(--text-2); font-size:17px; margin-bottom:40px;
}
.cover-ctas{display:flex; gap:18px; flex-wrap:wrap; justify-content:center;}

/* growth flow diagram */
.flow{
  margin-top:80px; display:flex; align-items:center; gap:0; flex-wrap:wrap; justify-content:center;
}
.flow-node{
  padding:12px 22px; border:1px solid var(--border); border-radius:12px;
  background:var(--card); font-size:13px; letter-spacing:0.08em; color:var(--text-2);
  font-weight:600; text-transform:uppercase;
}
.flow-node.strong{color:var(--text-1); border-color:rgba(0,229,255,0.4); box-shadow:0 0 20px rgba(0,229,255,0.12);}
.flow-arrow{color:var(--accent); font-size:18px; padding:0 14px;}

/* TRUST STATS */
.stats{padding:56px 0; border-top:1px solid rgba(255,255,255,0.06); border-bottom:1px solid rgba(255,255,255,0.06);}
.stats .wrap{display:flex; justify-content:space-between; flex-wrap:wrap; gap:40px; text-align:center;}
.stat-block{flex:1; min-width:200px;}
.stat-num{font-size:48px; font-weight:700;}
.stat-label{color:var(--text-2); font-size:14px; margin-top:6px;}
.stats-support{text-align:center; color:var(--text-2); font-size:14px; max-width:560px; margin:34px auto 0;}

/* headline blocks */
.section-head{max-width:640px; margin-bottom:48px;}
.section-head h2{font-size:clamp(28px,3.6vw,42px); font-weight:700; line-height:1.2;}
.section-head p{color:var(--text-2); margin-top:16px; font-size:16px;}
.center{text-align:center; margin-left:auto; margin-right:auto;}

/* ABOUT */
.about-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:60px; align-items:center;}
.about-copy p{color:var(--text-2); margin-bottom:18px; font-size:16px;}
.about-diagram{
  background:var(--card); border:1px solid var(--border); border-radius:20px; padding:32px;
  display:flex; flex-direction:column; gap:0; align-items:center;
}
.diagram-step{
  width:100%; text-align:center; padding:14px; font-size:13px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--text-2); font-weight:600;
}
.diagram-step.hi{color:var(--text-1);}
.diagram-connector{width:1px; height:22px; background:linear-gradient(var(--accent), transparent);}

/* SERVICES */
.services-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.service-card{
  background:var(--card); border:1px solid var(--border); border-radius:20px;
  padding:32px; transition:transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,255,0.5);
  box-shadow:0 12px 40px rgba(158,219,27,0.14);
}
.service-index{font-size:13px; color:var(--accent); font-weight:700; letter-spacing:0.1em; margin-bottom:16px;}
.service-card h3{font-size:20px; margin-bottom:12px; font-weight:600;}
.service-card p{color:var(--text-2); font-size:14.5px; margin-bottom:20px;}
.tags{display:flex; flex-wrap:wrap; gap:8px;}
.tag{
  font-size:11px; letter-spacing:0.05em; text-transform:uppercase; color:var(--text-2);
  border:1px solid rgba(255,255,255,0.08); padding:6px 12px; border-radius:999px;
}

/* APPROACH */
.approach-row{display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative;}
.approach-step{padding:0 24px; position:relative;}
.approach-num{
  font-size:44px; font-weight:700;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:18px; display:block;
}
.approach-step h3{font-size:17px; margin-bottom:10px; font-weight:600;}
.approach-step p{color:var(--text-2); font-size:14.5px;}
.approach-line{
  position:absolute; top:26px; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--accent) 15%, var(--accent) 85%, transparent);
  opacity:0.3; z-index:0;
}
.approach-bottom{
  margin-top:56px; text-align:center; font-size:16px; color:var(--text-1); font-weight:500;
  padding:22px; border:1px solid var(--border); border-radius:16px; background:var(--card);
}

/* GROWTH SYSTEM */
.system-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:20px;}
.system-item{
  background:var(--card); border:1px solid var(--border); border-radius:16px; padding:22px;
}
.system-item .cap{font-size:12px; letter-spacing:0.1em; color:var(--accent); font-weight:700; text-transform:uppercase; margin-bottom:6px;}
.system-item .role{font-size:15px; color:var(--text-1); font-weight:600;}
.system-msg{
  text-align:center; margin-top:40px; font-size:17px; font-weight:600;
}

/* WHY */
.why-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
.why-card{
  background:var(--card); border:1px solid var(--border); border-radius:20px; padding:28px;
}
.why-card .eyebrow{font-size:11px; margin-bottom:14px;}
.why-card p{font-size:15.5px; font-weight:600; color:var(--text-1);}

/* DIFFERENTIATION */
.diff-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
.diff-col{border:1px solid var(--border); border-radius:20px; padding:32px;}
.diff-col.usual{background:rgba(255,255,255,0.02);}
.diff-col.sinf{background:var(--card); box-shadow:0 0 30px rgba(158,219,27,0.10);}
.diff-col h3{font-size:13px; letter-spacing:0.12em; text-transform:uppercase; margin-bottom:20px; color:var(--text-2);}
.diff-col.sinf h3{color:var(--accent);}
.diff-col ul{list-style:none;}
.diff-col li{
  padding:12px 0; border-bottom:1px solid rgba(255,255,255,0.06); font-size:15px; color:var(--text-2);
}
.diff-col.sinf li{color:var(--text-1);}
.diff-col li:last-child{border-bottom:none;}

/* INDUSTRIES */
.pills{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; max-width:820px; margin:0 auto;}
.pill{
  border:1px solid var(--border); border-radius:999px; padding:10px 20px; font-size:13.5px;
  color:var(--text-2); background:var(--card);
}

/* ENGAGEMENT MODELS */
.engage-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
.engage-card{border:1px solid var(--border); border-radius:20px; padding:28px; background:var(--card);}
.engage-card .num{font-size:13px; color:var(--accent); font-weight:700; margin-bottom:14px;}
.engage-card h3{font-size:17px; margin-bottom:10px; font-weight:600;}
.engage-card p{color:var(--text-2); font-size:14.5px;}
.engage-bottom{text-align:center; margin-top:36px; color:var(--text-2); font-size:15px;}

/* FAQ */
.faq-item{border-bottom:1px solid rgba(255,255,255,0.08); padding:22px 0;}
.faq-q{font-size:16.5px; font-weight:600; margin-bottom:10px;}
.faq-a{color:var(--text-2); font-size:15px;}

/* FINAL CTA */
.final-cta{
  text-align:center; padding:100px 40px; position:relative; overflow:hidden;
}
.final-cta::before{
  content:"SINFMEDIA";
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  font-family:'Space Grotesk', sans-serif; font-size:min(18vw, 220px); font-weight:700;
  color:rgba(255,255,255,0.025); white-space:nowrap; letter-spacing:-0.02em; z-index:0;
}
.final-cta > *{position:relative; z-index:1;}
.final-cta h2{font-size:clamp(30px,4.5vw,54px); font-weight:700; margin-bottom:20px;}
.final-cta p{color:var(--text-2); max-width:520px; margin:0 auto 36px; font-size:16px;}
.final-secondary{margin-top:22px; color:var(--text-2); font-size:14px;}

/* CONTACT */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px;}
.contact-list a{
  display:block; color:var(--text-1); text-decoration:none; font-size:17px; font-weight:600;
  padding:16px 0; border-bottom:1px solid rgba(255,255,255,0.08);
}
.contact-list .label{display:block; font-size:11px; letter-spacing:0.14em; color:var(--accent); text-transform:uppercase; margin-bottom:6px; font-weight:700;}

.form-card{background:var(--card); border:1px solid var(--border); border-radius:20px; padding:32px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block; font-size:13px; color:var(--text-2); margin-bottom:8px;}
.form-row input, .form-row select, .form-row textarea{
  width:100%; background:var(--bg-2); border:1px solid rgba(255,255,255,0.1); border-radius:10px;
  padding:12px 14px; color:var(--text-1); font-family:'Inter', sans-serif; font-size:14.5px;
}
.form-row textarea{resize:vertical; min-height:90px;}
.form-row input:focus-visible, .form-row select:focus-visible, .form-row textarea:focus-visible{
  outline:2px solid var(--accent); outline-offset:1px;
}
.form-row.has-error input, .form-row.has-error select, .form-row.has-error textarea{
  border-color:#e5484d;
}
.field-error{display:none; color:#ff8a8a; font-size:12.5px; margin-top:6px;}
.form-row.has-error .field-error{display:block;}
.submit-btn{
  width:100%; background:var(--grad); color:#0A1400; font-weight:700; border:none; border-radius:999px;
  padding:14px; font-size:15px; cursor:pointer; margin-top:8px;
}
.submit-btn:disabled{opacity:0.6; cursor:not-allowed;}
.form-status{margin-top:16px; font-size:14px; display:none; border-radius:12px; padding:12px 14px;}
.form-status.show{display:block;}
.form-status.success{background:rgba(158,219,27,0.12); border:1px solid var(--border); color:var(--text-1);}
.form-status.error{background:rgba(229,72,77,0.1); border:1px solid rgba(229,72,77,0.4); color:#ffb3b3;}

/* Google Map */
.map-card{
  border:1px solid var(--border); border-radius:20px; overflow:hidden; margin-top:32px;
  background:var(--card);
}
.map-card iframe{display:block; width:100%; height:320px; border:0;}

/* BLOG */
.blog-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.blog-card{
  background:var(--card); border:1px solid var(--border); border-radius:20px; overflow:hidden;
  display:flex; flex-direction:column; text-decoration:none; color:inherit;
  transition:transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.blog-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,255,0.5);
  box-shadow:0 12px 40px rgba(158,219,27,0.14);
}
.blog-card-image{
  aspect-ratio:16/10; width:100%;
  background:linear-gradient(135deg, rgba(158,219,27,0.18), rgba(158,219,27,0.02));
  display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--border);
}
.blog-card-image .mono{font-family:'Space Grotesk', sans-serif; font-size:13px; letter-spacing:0.14em; text-transform:uppercase; color:var(--accent);}
.blog-card-body{padding:24px; display:flex; flex-direction:column; gap:12px; flex:1;}
.blog-meta{display:flex; gap:12px; align-items:center; font-size:12px; color:var(--text-2); letter-spacing:0.04em;}
.blog-meta .tag{padding:4px 10px; font-size:10.5px;}
.blog-card h3{font-size:19px; font-weight:600; line-height:1.35;}
.blog-card p{color:var(--text-2); font-size:14.5px; flex:1;}
.blog-read-more{color:var(--accent); font-size:14px; font-weight:600;}

.blog-post-head{max-width:760px; margin:0 auto 40px; text-align:center;}
.blog-post-head .blog-meta{justify-content:center; margin-bottom:18px;}
.blog-post-head h1{font-size:clamp(28px,4vw,44px); font-weight:700; line-height:1.2; margin-bottom:16px;}
.blog-post-hero{
  max-width:900px; margin:0 auto 48px; aspect-ratio:16/7; border-radius:20px; overflow:hidden;
  border:1px solid var(--border);
  background:linear-gradient(135deg, rgba(158,219,27,0.18), rgba(158,219,27,0.02));
  display:flex; align-items:center; justify-content:center;
}
.blog-post-hero .mono{font-family:'Space Grotesk', sans-serif; font-size:14px; letter-spacing:0.16em; text-transform:uppercase; color:var(--accent);}
.blog-post-body{max-width:720px; margin:0 auto;}
.blog-post-body p{color:var(--text-2); font-size:16.5px; margin-bottom:22px; line-height:1.75;}
.blog-post-body h2{font-size:24px; font-weight:700; margin:40px 0 18px;}
.blog-post-body ul{color:var(--text-2); font-size:16.5px; margin:0 0 22px 22px; line-height:1.75;}
.blog-post-body a{color:var(--accent);}
.blog-back{display:inline-flex; align-items:center; gap:8px; color:var(--text-2); text-decoration:none; font-size:14px; margin-bottom:32px;}
.blog-back:hover{color:var(--text-1);}
.related-blogs{max-width:900px; margin:64px auto 0;}
.related-blogs h3{font-size:13px; letter-spacing:0.12em; text-transform:uppercase; color:var(--text-2); margin-bottom:20px;}
.related-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}

/* FOOTER */
footer{padding:56px 0 40px; border-top:1px solid rgba(255,255,255,0.06);}
.footer-top{display:flex; justify-content:space-between; flex-wrap:wrap; gap:40px; margin-bottom:40px;}
.footer-links{display:flex; gap:28px; list-style:none; font-size:14px; color:var(--text-2); flex-wrap:wrap;}
.footer-links a{color:var(--text-2); text-decoration:none;}
.footer-links a:hover{color:var(--text-1);}
.footer-bottom{display:flex; justify-content:space-between; color:var(--text-2); font-size:13px; flex-wrap:wrap; gap:12px;}

/* Skip link for keyboard/screen-reader users */
.skip-link{
  position:absolute; left:-9999px; top:auto;
  background:var(--accent); color:#0A1400; padding:12px 18px; border-radius:0 0 10px 0;
  font-weight:700; z-index:100; text-decoration:none;
}
.skip-link:focus{left:0; top:0;}