/* ===========================================================
   Lectronex — Design System (modern tech / SaaS)
   =========================================================== */

:root {
  --bg:            #0b1020;
  --surface:       #ffffff;
  --surface-2:     #f5f7fb;
  --ink:           #0d1b2a;
  --ink-soft:      #47546b;
  --line:          #e5e9f2;

  --brand:         #3b5bfd;
  --brand-2:       #6d7cff;
  --accent:        #17d3c3;
  --violet:        #8b5cf6;

  --grad: linear-gradient(120deg, #3b5bfd 0%, #6d7cff 45%, #17d3c3 100%);
  --grad-soft: linear-gradient(120deg, rgba(59,91,253,.10), rgba(23,211,195,.10));

  --radius: 18px;
  --shadow-sm: 0 2px 8px rgba(16,24,46,.06);
  --shadow:    0 18px 45px -20px rgba(16,24,46,.35);
  --shadow-lg: 0 40px 90px -35px rgba(16,24,46,.45);

  --maxw: 1160px;
  --font: 'Inter', 'Inter Fallback', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Consistent type scale used across every page */
  --fs-h1:    clamp(2.1rem, 4.2vw, 3.2rem);
  --fs-h2:    clamp(1.6rem, 2.8vw, 2.15rem);
  --fs-h3:    1.25rem;
  --fs-h4:    1.1rem;
  --fs-sub:   1.5rem;   /* mid-level headings (e.g. form / column titles) */
  --fs-lead:  1.15rem;  /* intro / lead paragraphs */
  --fs-body:  1rem;
  --fs-small: .9rem;
}

/* Metric-matched fallback: reserves the exact space Inter will occupy, so the
   page does NOT reflow (jump) when the Inter web font finishes loading. */
@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial');
  ascent-override: 90.44%;
  descent-override: 22.52%;
  line-gap-override: 0%;
  size-adjust: 107.12%;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--surface); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; font-weight: 700; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
p  { margin: 0 0 1rem; color: var(--ink-soft); font-size: var(--fs-body); }
.h-sub { font-size: var(--fs-sub); }
h1:focus { outline: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

.eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); background: var(--grad-soft); border: 1px solid var(--line); padding: .4rem .8rem; border-radius: 999px; margin-bottom: 1.2rem; }
.text-grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .98rem; padding: .85rem 1.5rem; border-radius: 999px; border: 1px solid transparent; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 12px 30px -10px rgba(59,91,253,.6); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-light { background: rgba(255,255,255,.12); color:#fff; border-color: rgba(255,255,255,.25); }
.btn-light:hover { background: rgba(255,255,255,.22); }
.btn-block { width: 100%; justify-content: center; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(12px); background: rgba(255,255,255,.82); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.brand { display: inline-flex; align-items: center; font-weight: 800; font-size: 2.25rem; letter-spacing: -.045em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-weight: 500; color: var(--ink-soft); transition: color .15s; font-size: .96rem; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: .8rem; }
.nav-toggle { display: none; }
#nav-toggle-cb { display: none; }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--bg); color: #fff; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 400px at 15% 10%, rgba(59,91,253,.35), transparent 60%), radial-gradient(500px 380px at 85% 20%, rgba(23,211,195,.28), transparent 60%), radial-gradient(700px 500px at 60% 100%, rgba(139,92,246,.25), transparent 60%); }
.hero .container { position: relative; padding-block: clamp(20px, 2.5vw, 40px); }
.hero h1 { color: #fff; max-width: 16ch; }
.hero p.lead { font-size: var(--fs-lead); color: rgba(255,255,255,.8); max-width: 54ch; }
.hero .eyebrow { color: #cfe0ff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.75rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-top: 2.25rem; }
.hero-stats .stat b { display: block; font-size: 2rem; font-weight: 800; background: linear-gradient(90deg,#fff,#a9c2ff); -webkit-background-clip:text; background-clip:text; color: transparent; }
.hero-stats .stat span { color: rgba(255,255,255,.65); font-size: .9rem; }

/* Page hero (inner pages) */
.page-hero { background: var(--bg); color:#fff; position: relative; overflow: hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background: radial-gradient(700px 380px at 20% 0%, rgba(59,91,253,.35), transparent 60%), radial-gradient(600px 380px at 90% 30%, rgba(23,211,195,.25), transparent 60%); }
.page-hero .container { position: relative; padding-block: clamp(34px, 4.5vw, 58px); }
.page-hero h1 { color:#fff; max-width: 18ch; }
.page-hero p { color: rgba(255,255,255,.8); font-size: var(--fs-lead); max-width: 56ch; }

/* Sections */
section { padding-block: clamp(40px, 5.5vw, 68px); }
/* Heroes control their own vertical padding via .container — don't stack the generic section padding on top. */
.hero, .page-hero { padding-block: 0; }
.section-head { max-width: 720px; margin: 0 auto 2.5rem; text-align: center; }
.section-head p { font-size: var(--fs-lead); }
.bg-soft { background: var(--surface-2); }

/* Cards / grids */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-soft); margin-bottom: 1.2rem; font-size: 1.5rem; }
.card h3 { margin-bottom: .5rem; }
.card p { margin-bottom: 0; font-size: .98rem; }

.ticklist { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .8rem; }
.ticklist li { display: flex; gap: .7rem; align-items: flex-start; color: var(--ink-soft); }
.ticklist li::before { content: "✓"; flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; background: var(--grad); color: #fff; font-size: .72rem; font-weight: 700; display: grid; place-items: center; margin-top: 3px; }

/* Split feature block */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.5rem; align-items: center; }
.split.reverse > .split-media { order: -1; }
.mock { border-radius: var(--radius); background: var(--bg); box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.08); overflow: hidden; }
.mock .bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.mock .bar i { width: 11px; height: 11px; border-radius: 50%; background: #35406a; display: block; }
.mock .body { padding: 22px; }
.map-canvas { height: 300px; border-radius: 12px; position: relative; overflow: hidden; background: linear-gradient(rgba(23,211,195,.06), rgba(59,91,253,.06)), repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 34px), repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 34px), #0e1730; }
.map-canvas .pin { position: absolute; width: 16px; height: 16px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }
.map-canvas .pin.a { top: 40%; left: 24%; background: var(--brand); box-shadow: 0 0 0 4px rgba(59,91,253,.18); }
.map-canvas .pin.b { top: 62%; left: 55%; background: var(--accent); box-shadow: 0 0 0 4px rgba(23,211,195,.2); }
.map-canvas .pin.c { top: 48%; left: 78%; background: var(--violet); box-shadow: 0 0 0 4px rgba(139,92,246,.2); }
.map-canvas .searchbar { position: absolute; top: 16px; left: 16px; right: 16px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12); display:flex; align-items:center; padding:0 14px; color: rgba(255,255,255,.6); font-size:.88rem; gap:.5rem; }
.chart { display: flex; align-items: flex-end; gap: 12px; height: 210px; padding-top: 10px; }
.chart .col { flex: 1; border-radius: 8px 8px 4px 4px; background: var(--grad); opacity: .85; }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 3.2rem; }
.step::before { counter-increment: step; content: counter(step); position: absolute; top: 0; left: 0; width: 44px; height: 44px; border-radius: 12px; background: var(--grad); color:#fff; font-weight: 800; display: grid; place-items: center; box-shadow: 0 10px 24px -10px rgba(59,91,253,.6); }
.step h3 { font-size: var(--fs-h3); }

/* Logos */
.logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem 2.5rem; }
.logos span { font-weight: 700; color: #97a3ba; font-size: 1.1rem; letter-spacing: -.02em; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; border-radius: 28px; background: var(--bg); color: #fff; padding: clamp(40px,6vw,72px); text-align: center; }
.cta-band::before { content:""; position:absolute; inset:0; background: radial-gradient(600px 300px at 20% 0%, rgba(59,91,253,.4), transparent 60%), radial-gradient(500px 300px at 90% 100%, rgba(23,211,195,.35), transparent 60%); }
.cta-band > * { position: relative; }
.cta-band h2 { color:#fff; }
.cta-band p { color: rgba(255,255,255,.8); max-width: 46ch; margin-inline:auto; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .4rem; color: var(--ink); }
.field input, .field textarea, .field select { width: 100%; padding: .85rem 1rem; border-radius: 12px; border: 1px solid var(--line); font: inherit; color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(59,91,253,.12); }
.field textarea { min-height: 150px; resize: vertical; }
.validation-message { color: #d43d5b; font-size: .82rem; margin-top: .35rem; display: block; }
.form-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.contact-info .info-item { display: flex; gap: 1rem; align-items: flex-start; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.contact-info .info-item:last-child { border-bottom: 0; }
.contact-info .info-item .ic { width: 44px; height:44px; border-radius:12px; background: var(--grad-soft); display:grid; place-items:center; font-size:1.2rem; flex:0 0 auto; }
.contact-info .info-item h4 { margin: 0 0 .2rem; font-size: 1rem; }
.contact-info .info-item p { margin: 0; font-size: .95rem; }
.form-note { font-size:.85rem; color: var(--ink-soft); }
.alert { border-radius: 14px; padding: 1rem 1.2rem; margin-bottom: 1.4rem; font-size: .95rem; display:flex; gap:.7rem; align-items:flex-start; }
.alert-success { background: rgba(23,211,195,.12); border: 1px solid rgba(23,211,195,.4); color: #0a7f74; }
.alert-error { background: rgba(212,61,91,.10); border: 1px solid rgba(212,61,91,.35); color: #b32d4a; }

/* Honeypot — visually hidden but present in the DOM for bots to trip on */
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }

/* Footer */
.site-footer { background: var(--bg); color: rgba(255,255,255,.7); padding-block: 64px 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2rem; }
.site-footer h4 { color:#fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.1rem; }
.site-footer a { color: rgba(255,255,255,.7); display: block; padding: .3rem 0; transition: color .15s; }
.site-footer a:hover { color:#fff; }
.site-footer .brand { margin-bottom: 1rem; }
.site-footer .muted { color: rgba(255,255,255,.55); font-size: .92rem; max-width: 34ch; }
.footer-bottom { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.1); display:flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size:.88rem; color: rgba(255,255,255,.5); }

/* Utilities */
.center { text-align: center; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mb-0 { margin-bottom: 0; }
.lead-muted { font-size: var(--fs-lead); }

/* Blazor error UI */
#blazor-error-ui { color-scheme: light only; background: lightyellow; bottom: 0; box-shadow: 0 -1px 2px rgba(0,0,0,.2); display: none; left: 0; padding: .6rem 1.25rem .7rem 1.25rem; position: fixed; width: 100%; z-index: 1000; }
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }

/* Responsive */
@media (max-width: 900px) {
  .grid-3, .grid-4, .contact-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
  .split, .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .split.reverse > .split-media { order: 0; }
  .steps.grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav-toggle { display: inline-grid; place-items:center; width:44px; height:40px; background:none; border:1px solid var(--line); border-radius:10px; cursor:pointer; }
  .nav-toggle span { display:block; width: 20px; height: 2px; background: var(--ink); position: relative; }
  .nav-toggle span::before, .nav-toggle span::after { content:""; position:absolute; left:0; width:20px; height:2px; background: var(--ink); }
  .nav-toggle span::before { top:-6px; } .nav-toggle span::after { top:6px; }
  .nav-links { position: fixed; inset: 80px 0 auto 0; background: #fff; flex-direction: column; gap: 0; padding: 1rem 24px 1.5rem; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); transform: translateY(-140%); transition: transform .25s ease; }
  #nav-toggle-cb:checked ~ .nav-links { transform: none; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .nav-cta .btn-primary { display: none; }
  .grid-3, .grid-4, .footer-grid, .contact-grid, .steps.grid-4 { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
}