/* ==========================================================================
   Nexirion Ltd — Design System
   Palette derived from brand mark: cyan -> blue -> violet glow on deep navy
   ========================================================================== */

:root{
  --bg:            #080b14;
  --bg-alt:        #0c1120;
  --surface:       rgba(255,255,255,.045);
  --surface-hi:    rgba(255,255,255,.08);
  --border:        rgba(255,255,255,.09);
  --border-hi:     rgba(255,255,255,.16);

  --cyan:          #22d3ee;
  --blue:          #3b82f6;
  --violet:        #8b5cf6;
  --grad:          linear-gradient(90deg,var(--cyan),var(--blue) 55%,var(--violet));
  --grad-soft:     linear-gradient(135deg,rgba(34,211,238,.16),rgba(139,92,246,.16));

  --text:          #eef1fa;
  --text-dim:      #a7b0c5;
  --text-faint:    #6b7690;

  --radius:        16px;
  --radius-sm:     10px;
  --radius-lg:     24px;

  --shadow-glow:   0 0 0 1px rgba(255,255,255,.06), 0 20px 60px -20px rgba(59,130,246,.35);
  --ease:          cubic-bezier(.16,.8,.24,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:'Sora',system-ui,sans-serif;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.01em;
  font-weight:700;
}
p{ margin:0 0 1em; color:var(--text-dim); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; }

.container{ max-width:1200px; margin:0 auto; padding:0 24px; }

/* Base icon size — svg has no intrinsic width/height, so this must be explicit
   or browsers fall back to the default replaced-element box (300x150 => 150px
   at 1:1 viewBox ratio). More specific rules below override this per-context. */
.ic{ width:20px; height:20px; flex-shrink:0; }
.ic-sm{ width:16px; height:16px; }

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--violet); color:#fff;
  padding:10px 18px; z-index:1000; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* Background ambient glows */
body::before, body::after{
  content:''; position:fixed; width:60vw; height:60vw; border-radius:50%;
  filter:blur(120px); opacity:.16; z-index:-1; pointer-events:none;
}
body::before{ background:var(--cyan); top:-20vw; left:-15vw; }
body::after{ background:var(--violet); bottom:-25vw; right:-15vw; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:999px; font-weight:600; font-size:15px;
  border:1px solid transparent; cursor:pointer; transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-sm{ padding:10px 20px; font-size:14px; }
.btn-primary{
  background:var(--grad); color:#04121a; box-shadow:0 10px 30px -8px rgba(59,130,246,.55);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 36px -10px rgba(139,92,246,.6); }
.btn-outline{
  background:transparent; border-color:var(--border-hi); color:var(--text);
}
.btn-outline:hover{ border-color:var(--cyan); background:rgba(34,211,238,.08); }
.btn-lg{ padding:16px 32px; font-size:16px; }
.btn .ic{ width:18px; height:18px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(8,11,20,.7);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.site-header.scrolled{ box-shadow:0 12px 30px -18px rgba(0,0,0,.6); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:76px; gap:20px; }
.brand-logo{ height:34px; width:auto; }
.brand{ display:flex; align-items:center; flex-shrink:0; }

.main-nav ul{ display:flex; align-items:center; gap:6px; }
.main-nav > ul > li > a{
  display:flex; align-items:center; padding:10px 16px; border-radius:999px; font-weight:500; font-size:15px;
  color:var(--text-dim); transition:color .2s,background .2s;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li > a.active{ color:var(--text); background:var(--surface); }

.has-dropdown{ position:relative; }
.dropdown{
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  padding-top:10px; /* transparent bridge — keeps :hover alive between trigger and menu */
  opacity:0; visibility:hidden; pointer-events:none; transition:opacity .2s var(--ease);
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown{
  opacity:1; visibility:visible; pointer-events:auto;
}
.dropdown-inner{
  min-width:260px; background:#0d1326; border:1px solid var(--border); border-radius:var(--radius);
  padding:8px; box-shadow:0 24px 48px -16px rgba(0,0,0,.6);
  transform:translateY(6px); transition:transform .2s var(--ease);
}
.has-dropdown:hover .dropdown-inner, .has-dropdown:focus-within .dropdown-inner{
  transform:translateY(0);
}
.dropdown a{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:var(--radius-sm);
  font-size:14px; color:var(--text-dim); transition:background .2s,color .2s;
}
.dropdown a:hover{ background:var(--surface); color:var(--text); }
.dropdown .ic-sm{ color:var(--cyan); flex-shrink:0; }

.header-actions{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none; background:none; border:none; color:var(--text); cursor:pointer; padding:6px;
}
.nav-toggle .ic{ width:26px; height:26px; }
.nav-toggle .icon-close{ display:none; }
.nav-toggle[aria-expanded="true"] .icon-open{ display:none; }
.nav-toggle[aria-expanded="true"] .icon-close{ display:block; }

/* ---------- Hero ---------- */
.hero{ padding:110px 0 90px; position:relative; }
.hero-inner{ display:grid; grid-template-columns:1.1fr .9fr; gap:50px; align-items:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; padding:7px 16px; border-radius:999px;
  background:var(--grad-soft); border:1px solid var(--border-hi); font-size:13px; font-weight:600;
  color:var(--cyan); margin-bottom:22px;
}
.hero h1{ font-size:clamp(2.2rem,4.6vw,3.6rem); margin-bottom:20px; }
.hero h1 .grad-text{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-lead{ font-size:18px; max-width:560px; margin-bottom:32px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px; }
.hero-stats{ display:flex; gap:36px; flex-wrap:wrap; }
.hero-stats div{ display:flex; flex-direction:column; }
.hero-stats strong{ font-family:'Sora',sans-serif; font-size:26px; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-stats span{ font-size:13px; color:var(--text-faint); }

.hero-visual{ position:relative; display:flex; align-items:center; justify-content:center; }
.orb-card{
  position:relative; width:100%; max-width:420px; aspect-ratio:1/1; border-radius:32px;
  background:radial-gradient(circle at 30% 20%, rgba(34,211,238,.18), transparent 60%),
             radial-gradient(circle at 70% 80%, rgba(139,92,246,.22), transparent 60%),
             var(--bg-alt);
  border:1px solid var(--border); box-shadow:var(--shadow-glow);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.orb-card img{ width:62%; filter:drop-shadow(0 0 40px rgba(59,130,246,.45)); animation:float 5s ease-in-out infinite; }
.orb-ring{
  position:absolute; inset:14px; border:1px dashed var(--border-hi); border-radius:28px; opacity:.5;
}
@keyframes float{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-14px);} }

/* ---------- Sections ---------- */
section{ padding:100px 0; position:relative; }
.section-head{ max-width:680px; margin:0 auto 56px; text-align:center; }
.section-head h2{ font-size:clamp(1.7rem,3.4vw,2.5rem); }
.section-head .eyebrow{ margin-bottom:16px; }
.section-alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }

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

.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:32px; transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
  position:relative;
}
.card:hover{ transform:translateY(-6px); border-color:var(--border-hi); background:var(--surface-hi); }

.icon-badge{
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:var(--grad-soft); border:1px solid var(--border-hi); margin-bottom:20px; color:var(--cyan); flex-shrink:0;
}
.icon-badge .ic{ width:26px; height:26px; }

.product-card h3{ font-size:19px; margin-bottom:4px; }
.product-tag{ font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--text-faint); margin-bottom:12px; display:block; }
.card-link{ display:inline-flex; align-items:center; gap:6px; font-weight:600; font-size:14px; color:var(--cyan); margin-top:12px; }
.card-link .ic{ width:16px; height:16px; transition:transform .2s; }
.card-link:hover .ic{ transform:translateX(4px); }

/* ---------- Detailed product/solution blocks ---------- */
.detail-block{
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
  padding:64px 0; border-bottom:1px solid var(--border);
}
.detail-block:last-child{ border-bottom:none; }
.detail-block.reverse .detail-media{ order:2; }
.detail-media{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  min-height:280px; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
}
.detail-media .icon-badge{ width:110px; height:110px; border-radius:28px; margin:0; }
.detail-media .icon-badge .ic{ width:56px; height:56px; }
.detail-origin{ font-size:13px; color:var(--text-faint); margin-bottom:10px; }
.detail-block h3{ font-size:clamp(1.4rem,2.6vw,2rem); }
.feature-list{ margin-top:20px; display:grid; gap:12px; }
.feature-list li{ display:flex; gap:12px; align-items:flex-start; color:var(--text-dim); font-size:15px; }
.feature-list .ic{ width:18px; height:18px; color:var(--cyan); flex-shrink:0; margin-top:2px; }

/* ---------- Feature strip / why-us ---------- */
.feature-row{ display:flex; gap:18px; padding:22px 0; border-bottom:1px solid var(--border); align-items:flex-start; }
.feature-row:last-child{ border-bottom:none; }
.feature-row .icon-badge{ width:44px; height:44px; margin-bottom:0; }
.feature-row h4{ font-size:16px; margin-bottom:4px; }
.feature-row p{ margin:0; font-size:14px; }

/* ---------- Process steps ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; counter-reset:step; }
.step{ position:relative; padding:28px 22px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); }
.step-num{
  font-family:'Sora',sans-serif; font-size:34px; font-weight:800; background:var(--grad);
  -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:14px; display:block;
}

/* ---------- CTA banner ---------- */
.cta-banner{
  border-radius:var(--radius-lg); padding:64px 48px; text-align:center; position:relative; overflow:hidden;
  background:linear-gradient(135deg, rgba(34,211,238,.12), rgba(139,92,246,.16)), var(--bg-alt);
  border:1px solid var(--border-hi);
}
.cta-banner h2{ font-size:clamp(1.6rem,3vw,2.2rem); margin-bottom:14px; }
.cta-banner p{ max-width:520px; margin-left:auto; margin-right:auto; }
.cta-actions{ display:flex; gap:16px; justify-content:center; margin-top:26px; flex-wrap:wrap; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.form-field{ margin-bottom:20px; }
.form-field label{ display:block; font-size:14px; font-weight:600; margin-bottom:8px; color:var(--text-dim); }
.form-field input, .form-field textarea, .form-field select{
  width:100%; padding:14px 16px; border-radius:var(--radius-sm); border:1px solid var(--border);
  background:var(--surface); color:var(--text); font-family:inherit; font-size:15px; transition:border-color .2s,background .2s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  outline:none; border-color:var(--cyan); background:var(--surface-hi);
}
.form-field textarea{ resize:vertical; min-height:130px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-note{ font-size:13px; color:var(--text-faint); margin-top:4px; }
.form-msg{ padding:14px 18px; border-radius:var(--radius-sm); font-size:14px; margin-bottom:20px; display:none; }
.form-msg.show{ display:block; }
.form-msg.success{ background:rgba(34,211,238,.12); border:1px solid rgba(34,211,238,.4); color:#a8f0ff; }
.form-msg.error{ background:rgba(239,68,68,.12); border:1px solid rgba(239,68,68,.4); color:#ffb4b4; }

.contact-info-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:36px; }
.contact-info-card .feature-row{ align-items:center; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--border); padding-top:70px; background:var(--bg-alt); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr; gap:36px; padding-bottom:50px; }
.footer-brand p{ font-size:14px; margin-top:16px; }
.footer-social{ display:flex; gap:12px; margin-top:20px; }
.footer-social a{
  width:38px; height:38px; border-radius:10px; border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  color:var(--text-dim); transition:color .2s,border-color .2s;
}
.footer-social a:hover{ color:var(--cyan); border-color:var(--cyan); }
.footer-social .ic{ width:18px; height:18px; }
.footer-col h4{ font-size:14px; text-transform:uppercase; letter-spacing:.06em; color:var(--text); margin-bottom:18px; }
.footer-col ul li{ margin-bottom:12px; }
.footer-col ul li a{ font-size:14px; color:var(--text-dim); transition:color .2s; }
.footer-col ul li a:hover{ color:var(--cyan); }
.footer-contact li{ display:flex; gap:10px; align-items:flex-start; font-size:14px; color:var(--text-dim); }
.footer-contact .ic{ width:24px; height:24px; color:var(--cyan); flex-shrink:0; margin-top:3px; }
.footer-bottom{ border-top:1px solid var(--border); padding:22px 0; }
.footer-bottom-inner{ display:flex; justify-content:space-between; font-size:13px; color:var(--text-faint); flex-wrap:wrap; gap:8px; }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease),transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding:70px 0 50px; text-align:center; }
.page-hero h1{ font-size:clamp(2rem,4vw,2.8rem); }
.page-hero p{ max-width:640px; margin:0 auto; font-size:17px; }
.breadcrumb{ font-size:13px; color:var(--text-faint); margin-bottom:16px; }
.breadcrumb a{ color:var(--text-dim); }
.breadcrumb a:hover{ color:var(--cyan); }

/* ---------- Team / values ---------- */
.value-card{ text-align:left; }
.map-embed{ border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--border); filter:grayscale(.3) invert(.92) contrast(.9); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1024px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; max-width:340px; margin:0 auto; }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-width:860px){
  .main-nav{
    position:fixed; inset:76px 0 0 0; background:#0a0e1a; padding:20px 24px;
    transform:translateX(100%); transition:transform .3s var(--ease); overflow-y:auto;
    border-top:1px solid var(--border);
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:stretch; gap:4px; }
  .main-nav > ul > li > a{ padding:14px 16px; border-radius:var(--radius-sm); width:100%; }
  .has-dropdown .dropdown{
    position:static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    display:none; margin:4px 0 8px 12px; padding-top:0;
  }
  .has-dropdown.open .dropdown{ display:block; }
  .dropdown-inner{
    transform:none; box-shadow:none; border:none; background:transparent; padding:0;
  }
  .nav-toggle{ display:block; }
  .header-actions .btn-primary{ display:none; }
}

@media (max-width:760px){
  section{ padding:64px 0; }
  .hero{ padding:60px 0 50px; }
  .detail-block{ grid-template-columns:1fr; gap:30px; padding:44px 0; }
  .detail-block.reverse .detail-media{ order:0; }
  .grid-3, .grid-2{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .form-row{ grid-template-columns:1fr; }
  .cta-banner{ padding:44px 24px; }
  .hero-stats{ gap:24px; }
}