/* =============================================================
   Avenbuan Bio Intelligence — Site Stylesheet
   ============================================================= */

:root{
  --navy:#0B3D5C;
  --navy-dark:#072A40;
  --steel:#1E6A8C;
  --teal:#2BB3A3;
  --teal-dark:#218D81;
  --mint:#7FD8C8;
  --ink:#0E1726;
  --paper:#F6F8FB;
  --card:#FFFFFF;
  --hairline:#D4DBE3;
  --muted:#5A6A78;
  --accent:#C97B2B;
  --shadow-sm:0 1px 2px rgba(11,61,92,.06);
  --shadow:0 10px 30px rgba(11,61,92,.08);
  --shadow-lg:0 24px 60px rgba(11,61,92,.12);
  --radius:8px;
  --radius-lg:14px;
  --maxw:1180px;
  --gut:24px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-serif:'Source Serif 4',Georgia,serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:var(--font);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img,svg{display:block;max-width:100%}
a{color:var(--teal);text-decoration:none;transition:color .15s}
a:hover{color:var(--navy)}
button{font-family:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

h1,h2,h3,h4{font-family:var(--font);color:var(--navy);line-height:1.18;margin:0 0 .4em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
h4{font-size:1rem;text-transform:uppercase;letter-spacing:.14em;color:var(--teal);font-weight:600}
p{margin:0 0 1em}
.lede{font-family:var(--font-serif);font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.55;color:var(--ink)}
.eyebrow{display:inline-block;font-size:.75rem;letter-spacing:.32em;text-transform:uppercase;color:var(--teal);font-weight:700;margin-bottom:14px}

/* ===========================  NAV  =========================== */
.nav-wrap{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hairline)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand-lockup{display:flex;align-items:center;gap:10px;color:var(--navy);text-decoration:none;border:0}
.brand-lockup svg{width:40px;height:40px;border-radius:9px;box-shadow:var(--shadow-sm)}
.brand-text .name{font-weight:800;font-size:13.5px;letter-spacing:.14em;color:var(--navy);line-height:1}
.brand-text .sub{font-size:9.5px;letter-spacing:.24em;color:var(--teal);text-transform:uppercase;margin-top:3px;font-weight:600}
.nav ul{list-style:none;display:flex;gap:6px;padding:0;margin:0}
.nav ul a{display:block;padding:8px 14px;border-radius:7px;color:var(--ink);font-weight:500;font-size:.94rem;border:0;letter-spacing:.01em}
.nav ul a:hover{background:var(--paper);color:var(--navy)}
.nav ul a.active{color:var(--navy);background:rgba(43,179,163,.10)}
.nav .cta{margin-left:8px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:8px;font-weight:600;
  font-size:.95rem;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;text-decoration:none;letter-spacing:.01em}
.btn-primary{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--teal);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-secondary{background:#fff;color:var(--navy);border:1px solid var(--hairline)}
.btn-secondary:hover{background:var(--paper);color:var(--navy);border-color:var(--steel)}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{color:var(--teal)}
.mob-toggle{display:none;background:transparent;border:0;font-size:1.5rem;color:var(--navy);cursor:pointer}

/* =========================  HERO  ========================== */
.hero{position:relative;padding:84px 0 96px;overflow:hidden;
  background:radial-gradient(120% 80% at 80% 0%,#E7F4F1 0,transparent 60%),
             radial-gradient(120% 80% at 0% 100%,#EAF1F5 0,transparent 60%),#FBFCFD}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);letter-spacing:-.02em;margin-top:14px}
.hero .deck{font-family:var(--font-serif);font-style:italic;color:var(--steel);font-size:1.25rem;max-width:30em;margin:8px 0 28px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero .marks{display:flex;align-items:center;gap:22px;margin-top:42px;color:var(--muted);font-size:.85rem;flex-wrap:wrap}
.hero .marks strong{color:var(--navy);font-weight:600}

.hero-art{position:relative;background:linear-gradient(160deg,#0B3D5C,#1E6A8C 55%,#2BB3A3);
  border-radius:var(--radius-lg);padding:32px;color:#fff;min-height:420px;
  box-shadow:var(--shadow-lg);overflow:hidden}
.hero-art::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 60% at 20% 15%,rgba(127,216,200,.30),transparent 60%),
  radial-gradient(50% 50% at 85% 90%,rgba(255,255,255,.10),transparent 60%);
  pointer-events:none}
.hero-art .label{font-size:11px;letter-spacing:.28em;text-transform:uppercase;opacity:.85;font-weight:600}
.hero-art h3{color:#fff;margin:8px 0 16px}
.hero-art .kpi-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px;position:relative}
.hero-art .kpi{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:14px}
.hero-art .kpi .v{font-family:var(--font-serif);font-size:1.6rem;font-weight:600;line-height:1.1}
.hero-art .kpi .l{font-size:.75rem;opacity:.85;margin-top:4px;letter-spacing:.04em}
.hero-art .kpi .src{font-size:.65rem;opacity:.7;margin-top:6px;letter-spacing:.05em}

/* =========================  SECTION  ========================== */
.section{padding:80px 0}
.section.tight{padding:56px 0}
.section.dark{background:var(--navy);color:#fff}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff}
.section.dark h4{color:var(--mint)}
.section.dark .lede,.section.dark p{color:rgba(255,255,255,.86)}
.section.dark a{color:var(--mint)}
.section.alt{background:linear-gradient(180deg,#fff 0,#F4F8FA 100%)}
.section-head{max-width:740px;margin-bottom:42px}

/* ====================  CARDS / GRIDS  ===================== */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:28px;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcc6d1}
.card.featured{border-top:4px solid var(--teal)}
.card .icon{width:46px;height:46px;border-radius:11px;background:linear-gradient(160deg,#0B3D5C,#2BB3A3);
  display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px;font-weight:700}
.card .icon svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2}
.card h3{margin:0 0 8px}
.card p{color:var(--muted);margin-bottom:14px}
.card .more{font-weight:600;color:var(--teal);display:inline-flex;align-items:center;gap:6px}
.card .more::after{content:"→";transition:transform .18s}
.card:hover .more::after{transform:translateX(3px)}

/* ====================  SERVICES LIST  ===================== */
.svc{padding:28px;border:1px solid var(--hairline);border-radius:var(--radius-lg);background:#fff;
  display:flex;gap:24px;align-items:flex-start;transition:border-color .18s,box-shadow .18s}
.svc:hover{border-color:var(--teal);box-shadow:var(--shadow)}
.svc .num{font-family:var(--font-serif);font-size:2.4rem;color:var(--teal);font-weight:600;line-height:1;min-width:48px}
.svc h3{margin:0 0 6px}
.svc p{color:var(--muted);margin:0 0 12px}
.svc ul{margin:6px 0 0 18px;padding:0}
.svc ul li{margin-bottom:4px;color:var(--muted);font-size:.95rem}

/* =====================  TIMELINE / PROCESS  ===================== */
.process{position:relative;margin:20px 0}
.process::before{content:"";position:absolute;left:24px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--teal),var(--navy));border-radius:2px}
.step{position:relative;padding:0 0 32px 64px}
.step::before{content:"";position:absolute;left:12px;top:6px;width:26px;height:26px;border-radius:50%;background:#fff;border:3px solid var(--teal)}
.step h3{margin:0 0 6px}
.step p{color:var(--muted);margin:0}

/* =====================  STATS  ===================== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{padding:22px;background:#fff;border:1px solid var(--hairline);border-top:3px solid var(--teal);border-radius:10px}
.stat .v{font-family:var(--font-serif);font-size:2rem;color:var(--navy);font-weight:600;line-height:1.1}
.stat .l{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.stat .src{font-size:.75rem;color:var(--muted);margin-top:8px}

/* =====================  INSIGHT CARDS  ===================== */
.insight{display:flex;flex-direction:column;background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s,box-shadow .2s}
.insight:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.insight .thumb{height:160px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;
  background:linear-gradient(135deg,var(--navy),var(--steel) 60%,var(--teal));position:relative;overflow:hidden;font-size:.9rem;letter-spacing:.15em;text-transform:uppercase}
.insight .thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 20% 20%,rgba(127,216,200,.4),transparent 60%)}
.insight .thumb span{position:relative;z-index:1}
.insight .body{padding:22px}
.insight .tag{display:inline-block;background:rgba(43,179,163,.10);color:var(--teal);padding:3px 10px;border-radius:20px;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}
.insight h3{font-size:1.15rem;margin:0 0 8px}
.insight .meta{font-size:.85rem;color:var(--muted);margin-bottom:8px}
.insight p{color:var(--muted);font-size:.95rem;margin:0}

/* =====================  CTA STRIPE  ===================== */
.cta-stripe{background:linear-gradient(110deg,#0B3D5C,#1E6A8C 70%,#2BB3A3);color:#fff;border-radius:var(--radius-lg);
  padding:54px;display:flex;justify-content:space-between;gap:36px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-stripe::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 90% 10%,rgba(127,216,200,.25),transparent 60%);pointer-events:none}
.cta-stripe h2{color:#fff;margin:0 0 6px;max-width:24em;position:relative}
.cta-stripe p{margin:0;color:rgba(255,255,255,.86);max-width:30em;position:relative}
.cta-stripe .btn-primary{background:#fff;color:var(--navy);position:relative}
.cta-stripe .btn-primary:hover{background:var(--mint);color:var(--navy)}

/* =====================  TABLE  ===================== */
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--hairline);border-radius:8px;overflow:hidden;font-size:.93rem}
table.tbl th{background:var(--navy);color:#fff;text-align:left;padding:14px 16px;font-weight:600;letter-spacing:.03em;font-size:.85rem}
table.tbl td{padding:13px 16px;border-bottom:1px solid var(--hairline);color:var(--ink)}
table.tbl tr:last-child td{border-bottom:0}
table.tbl tbody tr:hover{background:var(--paper)}

/* =====================  FORM  ===================== */
.form{display:grid;gap:14px;background:#fff;border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:5px;display:block}
.form input,.form select,.form textarea{
  width:100%;padding:12px 14px;border:1px solid var(--hairline);border-radius:7px;font-family:inherit;font-size:.96rem;color:var(--ink);
  background:#fff;transition:border-color .15s,box-shadow .15s
}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px rgba(43,179,163,.15)}
.form textarea{min-height:140px;resize:vertical}
.form .full{grid-column:1/-1}
.form .check{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted);line-height:1.5}
.form .check input{width:18px;height:18px;margin-top:2px}
.form .submit-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.form .submit-row small{color:var(--muted);font-size:.82rem}
.form .alert{padding:14px 16px;border-radius:8px;background:rgba(43,179,163,.10);border:1px solid var(--teal);color:var(--navy);font-size:.92rem;display:none}
.form .alert.show{display:block}
.form .alert.error{background:rgba(140,26,26,.06);border-color:#C0584F;color:#8C1A1A}

/* =====================  PROFILE  ===================== */
.profile{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:center}
.profile-img{aspect-ratio:1/1;border-radius:var(--radius-lg);background:linear-gradient(160deg,#0B3D5C,#2BB3A3);
  display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-serif);font-size:6rem;font-weight:700;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.profile-img img{width:100%;height:100%;object-fit:cover;object-position:center 18%;display:block;position:relative;z-index:2}
.profile-img .initials-fallback{display:none;position:absolute;inset:0;align-items:center;justify-content:center;z-index:1}
.profile-img::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 50% at 30% 30%,rgba(255,255,255,.20),transparent);z-index:1;pointer-events:none}
.profile .chip{display:inline-block;padding:6px 14px;background:#fff;border:1px solid var(--hairline);border-radius:18px;font-size:.78rem;color:var(--muted);font-weight:500;margin:4px 6px 4px 0}

/* =====================  FOOTER  ===================== */
.footer{background:var(--navy);color:#fff;padding:64px 0 24px;margin-top:80px}
.footer h4{color:var(--mint)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
.footer a{color:rgba(255,255,255,.78);font-size:.92rem;display:block;padding:4px 0;border:0}
.footer a:hover{color:var(--mint)}
.footer .col p{color:rgba(255,255,255,.7);font-size:.88rem}
.footer .bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.65);font-size:.82rem;flex-wrap:wrap;gap:14px}
.footer .social{display:flex;gap:10px}
.footer .social a{display:inline-flex;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.25);align-items:center;justify-content:center;padding:0}
.footer .social a:hover{background:var(--teal);border-color:var(--teal)}

/* =====================  RESPONSIVE  ===================== */
@media (max-width:920px){
  .hero-grid,.profile,.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .nav ul{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-bottom:1px solid var(--hairline);box-shadow:var(--shadow)}
  .nav ul.open{display:flex}
  .nav ul a{padding:12px 14px}
  .mob-toggle{display:block}
  .cta-stripe{padding:30px;flex-direction:column;align-items:flex-start;text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:54px 0}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .hero{padding:48px 0 60px}
  .svc{flex-direction:column;gap:10px}
}

/* fade-in scroll reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.on{opacity:1;transform:none}