/* ============================================================
   Yedi Mavi — Design System
   High-trust corporate B2B. Navy + steel + warm accent.
   ============================================================ */

:root{
  --navy:#0B2545;
  --navy-2:#13476B;
  --steel:#1B6CA8;
  --accent:#E08D2F;      /* warm CTA accent */
  --accent-dk:#C9761A;
  --ink:#1B2430;
  --body:#3A4654;
  --muted:#6B7888;
  --line:#E2E8F0;
  --bg:#FFFFFF;
  --bg-soft:#F4F7FB;
  --bg-navy:#0B2545;
  --white:#FFFFFF;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 6px 24px rgba(11,37,69,.08);
  --shadow-lg:0 18px 48px rgba(11,37,69,.16);
  --maxw:1180px;
  --space:clamp(56px,8vw,104px);
  --font:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--body);
  background:var(--bg);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--steel);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1rem}
.lead{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--body)}

/* layout */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:var(--space) 0}
.section--soft{background:var(--bg-soft)}
.section--navy{background:var(--bg-navy);color:#D9E2EC}
.section--navy h1,.section--navy h2,.section--navy h3{color:#fff}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:14px}
.section--navy .eyebrow{color:var(--accent)}
.center{text-align:center}
.max-60{max-width:640px}
.mx-auto{margin-left:auto;margin-right:auto}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:700;font-size:1rem;line-height:1;
  padding:15px 26px;border-radius:var(--radius-sm);
  border:2px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(224,141,47,.35)}
.btn--primary:hover{background:var(--accent-dk);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn--wa{background:#25D366;color:#0a3d1f}
.btn--wa:hover{background:#1ebe5a;transform:translateY(-2px)}
.btn--lg{padding:18px 34px;font-size:1.08rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:1.15rem;letter-spacing:-.02em}
.brand svg{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{color:var(--ink);font-weight:600;font-size:.97rem;position:relative}
.nav-links a:hover{color:var(--steel)}
.nav-links a.active{color:var(--steel)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;gap:2px;border:1px solid var(--line);border-radius:7px;overflow:hidden}
.lang a{padding:6px 9px;font-size:.78rem;font-weight:700;color:var(--muted)}
.lang a.on{background:var(--navy);color:#fff}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* hero */
.hero{position:relative;background:linear-gradient(160deg,#0B2545 0%,#10395E 55%,#155080 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 500px at 85% -10%,rgba(27,108,168,.5),transparent 60%),
  radial-gradient(600px 400px at -5% 110%,rgba(224,141,47,.18),transparent 60%);pointer-events:none}
.hero .container{position:relative;z-index:1;padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(56px,8vw,96px)}
.hero h1{color:#fff;max-width:14ch}
.hero .lead{color:#C9D6E5;max-width:54ch;margin:18px 0 28px}
.hero .eyebrow{color:var(--accent)}
.trustline{margin-top:26px;color:#9DB2C9;font-size:.95rem;font-weight:600;display:flex;flex-wrap:wrap;gap:8px 18px}
.trustline span{display:inline-flex;align-items:center;gap:7px}
.trustline .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* stat bar */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.stat{background:#fff;padding:26px 18px;text-align:center}
.stat b{display:block;font-size:clamp(1.8rem,4vw,2.5rem);color:var(--navy);font-weight:800;letter-spacing:-.03em}
.stat span{font-size:.9rem;color:var(--muted);font-weight:600}

/* grid */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card h3{margin-bottom:10px}
.card .ico{width:52px;height:52px;border-radius:12px;display:grid;place-items:center;background:var(--bg-soft);margin-bottom:18px}
.card .ico svg{width:26px;height:26px;stroke:var(--steel)}
.card-link{font-weight:700;color:var(--steel);display:inline-flex;align-items:center;gap:6px;margin-top:6px}

/* step */
.steps{counter-reset:s;display:grid;gap:22px}
.step{display:flex;gap:18px;align-items:flex-start}
.step .n{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.1rem}
.step h3{margin-bottom:4px}
.step p{margin:0;color:var(--body)}

/* pillars */
.pillar{display:flex;gap:16px;align-items:flex-start}
.pillar .chk{flex:0 0 auto;width:30px;height:30px;border-radius:8px;background:rgba(27,108,168,.12);display:grid;place-items:center;margin-top:3px}
.pillar .chk svg{width:18px;height:18px;stroke:var(--steel)}
.section--navy .pillar .chk{background:rgba(224,141,47,.18)}
.section--navy .pillar .chk svg{stroke:var(--accent)}
.pillar h3{margin-bottom:4px}
.section--navy .pillar p{color:#B9C7D8}

/* split band */
.band{background:linear-gradient(120deg,#13476B,#1B6CA8);color:#fff;border-radius:var(--radius);padding:clamp(30px,5vw,52px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.band h2{color:#fff}
.band p{color:#D7E3F0;margin:6px 0 0;max-width:46ch}

/* sector block */
.sector{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.sector .body{padding:clamp(28px,4vw,44px)}
.sector .side{background:var(--navy);color:#fff;padding:clamp(28px,4vw,44px);display:flex;flex-direction:column;justify-content:center}
.sector .side h3{color:#fff}
.sector ul{list-style:none;margin:14px 0}
.sector li{padding:7px 0 7px 28px;position:relative;color:var(--body)}
.sector li::before{content:"";position:absolute;left:0;top:15px;width:14px;height:2px;background:var(--accent)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tag{background:rgba(255,255,255,.12);color:#fff;padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:600}

/* form */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,4vw,40px);box-shadow:var(--shadow-lg)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;color:var(--ink);margin-bottom:7px;font-size:.95rem}
.field .req{color:var(--accent-dk)}
.field input,.field select,.field textarea{
  width:100%;padding:14px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font:inherit;font-size:1rem;color:var(--ink);background:#fff;transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(27,108,168,.12)}
.field textarea{min-height:120px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.85rem;color:var(--muted);margin-top:4px}

/* info list */
.info{list-style:none;display:grid;gap:18px}
.info li{display:flex;gap:14px;align-items:flex-start}
.info .ico{flex:0 0 auto;width:42px;height:42px;border-radius:10px;background:var(--bg-soft);display:grid;place-items:center}
.info .ico svg{width:20px;height:20px;stroke:var(--steel)}
.info b{display:block;color:var(--ink)}
.info a{color:var(--body)}
.info a:hover{color:var(--steel)}

/* footer */
.site-footer{background:var(--navy);color:#9DB2C9;padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:40px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;letter-spacing:.02em}
.site-footer a{color:#9DB2C9;font-weight:500}
.site-footer a:hover{color:#fff}
.foot-links{list-style:none;display:grid;gap:10px;font-size:.95rem}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand svg{height:32px}
.foot-brand b{color:#fff;font-size:1.15rem;font-weight:800}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.85rem;color:#7E92AB}

/* floating whatsapp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.5);transition:.2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* page hero (interior) */
.page-hero{background:linear-gradient(160deg,#0B2545,#13476B);color:#fff;padding:clamp(48px,7vw,84px) 0}
.page-hero h1{color:#fff;max-width:18ch}
.page-hero p{color:#C9D6E5;max-width:60ch;margin-top:12px;font-size:1.1rem}
.crumb{font-size:.85rem;color:#8FA6BF;margin-bottom:12px;font-weight:600}
.crumb a{color:#8FA6BF}

/* utility */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.divider{height:1px;background:var(--line);margin:0}

/* ===== responsive ===== */
@media(max-width:920px){
  .nav-links{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:.25s;visibility:hidden}
  .nav-links.open{transform:translateY(0);visibility:visible}
  .nav-links li{border-bottom:1px solid var(--line)}
  .nav-links a{display:block;padding:14px 24px}
  .menu-btn{display:block}
  .nav-right .btn{display:none}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .statbar{grid-template-columns:1fr 1fr}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .sector{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .band{flex-direction:column;align-items:flex-start}
  .hero .btn,.band .btn{width:100%;justify-content:center}
  .btn-row{width:100%}
}

/* ===== trust badge strip (chamber membership) ===== */
.trust-badge{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:18px;
  padding:14px 22px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--ink);font-weight:600;font-size:.98rem;text-align:center;flex-wrap:wrap}
.trust-badge svg{width:22px;height:22px;stroke:var(--steel);flex:0 0 auto}
.trust-badge .ltr{color:var(--muted);font-weight:500}