/* ============================================================
   INFOVIRTECH — Site Stylesheet
   Built from brand guidelines: navy/azure/sky palette,
   Poppins (display) / Inter (body) / JetBrains Mono (data)
   Signature motif: node-path resolving into the rising arrow
   ============================================================ */

:root{
  --navy-50:#EAF2FB; --navy-100:#D3E3F5; --navy-200:#A9C7E9; --navy-300:#6F9FD4;
  --navy-400:#3E74B5; --navy-500:#1D5AA0; --navy-600:#123B6D; --navy-700:#0F3562;
  --navy-800:#0A2547; --navy-900:#071B33; --navy-950:#04101F;
  --azure-500:#2B7EB4; --azure-600:#22689A; --azure-700:#1B527A;
  --sky:#5AB4E6; --sky-light:#93CEEE; --sky-pale:#CDE8F7;
  --ink-50:#F6F8FA; --ink-100:#EDF1F5; --ink-200:#DCE3EC; --ink-300:#B9C5D4;
  --ink-400:#8496AC; --ink-500:#5C7086; --ink-600:#3F5266; --ink-700:#2A3947;
  --ink-800:#1A2530; --ink-900:#0E151C;
  --paper:#F6F8FA;
  --success:#16A34A; --warning:#D97706; --error:#DC2626;
  --font-display:'Poppins',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--paper);color:var(--ink-900);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit}

.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

/* ---------- gradients ---------- */
.text-gd-brand{background:linear-gradient(120deg,#123B6D,#1D5AA0,#2B7EB4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-gd-light{background:linear-gradient(120deg,#fff,rgba(147,206,238,.85));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.bg-gd-trajectory{background:linear-gradient(120deg,#071B33,#123B6D 40%,#1D5AA0 70%,#2B7EB4 100%)}

/* ---------- node grid ambient texture ---------- */
.node-grid{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(circle at 1px 1px, rgba(90,180,230,.18) 1px, transparent 0);
  background-size:34px 34px;mask-image:linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent)}

/* ---------- eyebrow / headings ---------- */
.eyebrow{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--azure-500);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--azure-500)}
.eyebrow.on-dark{color:var(--sky-light)}
.eyebrow.on-dark::before{background:var(--sky-light)}

h1,h2,h3{font-family:var(--font-display);color:var(--navy-900);letter-spacing:-.02em}
.sec-title{font-weight:700;font-size:clamp(28px,4vw,40px);line-height:1.08;margin:16px 0 14px}
.sec-lead{font-size:17px;line-height:1.65;color:var(--ink-600);max-width:620px}

/* ---------- buttons ---------- */
.btn{font-family:var(--font-display);font-weight:600;border:none;cursor:pointer;border-radius:10px;transition:all .2s;font-size:14px;padding:14px 26px;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:linear-gradient(120deg,#1D5AA0,#123B6D);color:#fff;box-shadow:0 1px 2px rgba(7,27,51,.2),0 6px 18px rgba(18,59,109,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 2px 4px rgba(7,27,51,.2),0 10px 26px rgba(18,59,109,.38)}
.btn-secondary{background:var(--navy-50);color:var(--navy-600)}
.btn-secondary:hover{background:var(--navy-100);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost.on-light{color:var(--navy-600);border-color:var(--navy-200)}
.btn-ghost.on-light:hover{border-color:var(--navy-500);background:var(--navy-50)}

/* ---------- cards ---------- */
.card{background:#fff;border-radius:16px;border:1px solid var(--ink-100);padding:30px;box-shadow:0 1px 2px rgba(14,21,28,.03);transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 12px 32px rgba(10,37,71,.08);transform:translateY(-2px)}
.dark-card{background:var(--navy-800);border-radius:16px;padding:30px;color:#fff}
.chip{font-family:var(--font-mono);font-size:11px;background:var(--ink-100);color:var(--ink-600);padding:4px 10px;border-radius:6px;border:1px solid var(--ink-200);display:inline-block}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(246,248,250,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--ink-100)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand-mark{display:flex;align-items:center;gap:10px}
.brand-mark img{height:34px;width:auto}
.brand-mark span{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--navy-900)}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav a{font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--ink-600);transition:color .15s;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--navy-700)}
.main-nav a.active::after{content:'';position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--azure-500)}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy-800);margin:5px 0;border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:var(--ink-300);padding:72px 0 28px;position:relative;overflow:hidden}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid h4{font-family:var(--font-display);color:#fff;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}
.footer-grid a{display:block;font-size:14px;color:var(--ink-300);margin-bottom:11px;transition:color .15s}
.footer-grid a:hover{color:var(--sky-light)}
.footer-brand img{height:32px;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.7;color:var(--ink-400);max-width:280px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:34px;height:34px;border-radius:9px;border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;margin:0}
.footer-social a:hover{background:rgba(255,255,255,.06);border-color:var(--sky-light)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;font-size:12.5px;color:var(--ink-500);font-family:var(--font-mono)}

/* ---------- hero ---------- */
.hero{position:relative;padding:120px 0 110px;overflow:hidden;color:#fff}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{color:#fff;font-size:clamp(36px,5.2vw,58px);line-height:1.05;letter-spacing:-.02em;font-weight:700}
.hero p.lead{font-size:17px;line-height:1.7;color:var(--sky-pale);max-width:520px;margin:22px 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:56px}
.hero-stats div b{font-family:var(--font-display);font-size:26px;color:#fff;display:block}
.hero-stats div span{font-family:var(--font-mono);font-size:11.5px;color:var(--sky-light);text-transform:uppercase;letter-spacing:.06em}

/* ---------- section rhythm ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--ink-200) 18%,var(--ink-200) 82%,transparent)}
.section-head{max-width:640px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .sec-lead{margin-left:auto;margin-right:auto}
.section-head.center .eyebrow::before{display:none}

/* ---------- grids ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

/* ---------- service card ---------- */
.service-card{display:flex;flex-direction:column;gap:18px}
.service-icon{width:52px;height:52px;border-radius:12px;background:var(--navy-50);display:flex;align-items:center;justify-content:center}
.service-card h3{font-size:19px;font-weight:600}
.service-card p{font-size:14.5px;line-height:1.6;color:var(--ink-600)}
.service-num{font-family:var(--font-mono);font-size:12px;color:var(--ink-300)}

/* ---------- industry chip grid ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.industry-item{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--ink-100);border-radius:12px;padding:16px 18px;font-family:var(--font-display);font-size:14px;font-weight:500;color:var(--navy-700);transition:all .15s}
.industry-item:hover{border-color:var(--azure-500);background:var(--navy-50)}
.industry-dot{width:8px;height:8px;border-radius:50%;background:var(--sky);flex-shrink:0}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,#071B33,#123B6D 45%,#1B527A 100%);border-radius:24px;padding:64px;position:relative;overflow:hidden;color:#fff}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,36px)}
.cta-band p{color:var(--sky-pale);font-size:15.5px;max-width:480px;margin:14px 0 30px;line-height:1.6}

/* ---------- signature trajectory path ---------- */
.trajectory-signature{display:flex;align-items:center;gap:10px}
.trajectory-signature svg{width:120px;height:24px}

/* ---------- page hero (interior pages) ---------- */
.page-hero{padding:150px 0 70px;background:var(--navy-900);color:#fff;position:relative;overflow:hidden}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,46px)}
.page-hero .sec-lead{color:var(--sky-pale)}
.breadcrumb{font-family:var(--font-mono);font-size:12px;color:var(--sky-light);letter-spacing:.05em;margin-bottom:16px}

/* ---------- team / value cards ---------- */
.value-card{padding:26px;border-radius:14px;background:#fff;border:1px solid var(--ink-100)}
.value-card .num{font-family:var(--font-mono);color:var(--ink-300);font-size:13px}
.value-card h3{font-size:17px;margin:10px 0 8px}
.value-card p{font-size:14px;color:var(--ink-600);line-height:1.6}

/* ---------- process steps ---------- */
.process-row{display:flex;gap:24px;align-items:flex-start;padding:28px 0;border-bottom:1px solid var(--ink-100)}
.process-row:last-child{border-bottom:none}
.process-num{font-family:var(--font-mono);font-size:14px;color:var(--azure-500);width:42px;flex-shrink:0;padding-top:2px}
.process-row h3{font-size:18px;margin-bottom:6px}
.process-row p{font-size:14.5px;color:var(--ink-600);line-height:1.65;max-width:560px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact-info-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--ink-100)}
.contact-info-item:first-child{padding-top:0}
.contact-icon{width:42px;height:42px;border-radius:10px;background:var(--navy-50);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info-item h4{font-family:var(--font-display);font-size:14.5px;font-weight:600;color:var(--navy-800);margin-bottom:3px}
.contact-info-item p,.contact-info-item a{font-size:14px;color:var(--ink-600)}

.form-field{margin-bottom:18px}
.form-field label{display:block;font-family:var(--font-display);font-size:12.5px;font-weight:600;color:var(--navy-700);margin-bottom:7px;letter-spacing:.02em}
.form-field input,.form-field select,.form-field textarea{width:100%;border:1.5px solid var(--ink-200);border-radius:10px;padding:12px 14px;font-family:var(--font-body);font-size:14.5px;color:var(--ink-900);background:#fff;transition:border-color .15s}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--azure-500)}
.form-field textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- misc ---------- */
.mono-label{font-family:var(--font-mono);font-size:11px;color:var(--ink-400);letter-spacing:.05em;text-transform:uppercase}
.avatar-stack{display:flex}
.avatar-stack .dot{width:36px;height:36px;border-radius:50%;border:2px solid #fff;margin-left:-10px;background:var(--navy-200)}

/* ---------- focus visibility ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--azure-500);outline-offset:2px}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ---------- responsive ---------- */
@media (max-width: 980px){
  .hero-grid,.grid-2,.contact-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4,.industry-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .main-nav{position:fixed;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:34px 32px 22px;gap:20px;border-bottom:1px solid var(--ink-100);transform:translateY(-130%);transition:transform .25s;z-index:150}
  .main-nav.open{top: 76px; transform:translateY(0)}
  .nav-toggle{display:block}
  .form-row{grid-template-columns:1fr}
  .cta-band{padding:40px 28px}
  /* underline offset tuned for the horizontal desktop nav overshoots into
     the next row once the nav becomes a stacked mobile dropdown */
  .main-nav a.active::after{bottom:-4px}
}
@media (max-width: 620px){
  .grid-3,.grid-4,.industry-grid{grid-template-columns:1fr}
  .hero{padding:140px 0 80px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
}
@media (max-width: 480px){
  /* logo + "Start a project" + hamburger no longer fit on one row at this
     width; drop the header CTA and rely on the hamburger menu */
  .nav-cta .btn.btn-primary{display:none}
}