/* =====================================================================
   Lvika Technologies — Design tokens
   Display face: Space Grotesk (geometric, technical)
   Body face:    Inter (neutral, highly legible)
   Palette:
     --ink       #0E1330  deep indigo-black (text, dark sections)
     --paper     #F6F7FB  cool off-white (page background)
     --surface   #FFFFFF  card background
     --indigo    #5B4FE9  primary accent (brand)
     --signal    #14C7B8  secondary accent ("signal" teal)
     --coral     #FF6B4A  CTA / warm accent
     --line      #E3E5F0  hairline borders
   ===================================================================== */

:root {
  --ink: #0E1330;
  --ink-soft: #4A4F6B;
  --paper: #F6F7FB;
  --surface: #FFFFFF;
  --indigo: #5B4FE9;
  --indigo-deep: #4038B8;
  --signal: #14C7B8;
  --coral: #FF6B4A;
  --line: #E3E5F0;
  --radius: 14px;
  --shadow-soft: 0 10px 30px -12px rgba(14, 19, 48, 0.18);
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.1rem, 4vw + 1rem, 3.4rem); }
h2 { font-size: clamp(1.6rem, 2.4vw + 1rem, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--indigo);
  font-weight: 600;
}
.eyebrow::before {
  content: '';
  width: 18px; height: 2px;
  background: var(--coral);
  display: inline-block;
}

section { padding: 84px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--indigo); color: #fff; box-shadow: 0 8px 20px -8px rgba(91,79,233,.55); }
.btn-primary:hover { background: var(--indigo-deep); transform: translateY(-2px); }
.btn-coral { background: var(--coral); color: #fff; box-shadow: 0 8px 20px -8px rgba(255,107,74,.5); }
.btn-coral:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--indigo); color: var(--indigo); }
.btn-block { width: 100%; justify-content: center; }

/* ---------------------------------------------------------------------
   Header / Nav
   ------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246,247,251,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.brand img { height: 38px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: var(--ink); position: relative; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--coral); transition: width .2s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--surface); flex-direction: column; align-items: flex-start;
    padding: 20px 24px; gap: 16px; border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-cta .btn-ghost { display: none; }
}

/* ---------------------------------------------------------------------
   Hero — signal path signature element
   ------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
  background: radial-gradient(circle at 82% 18%, rgba(91,79,233,0.10), transparent 55%),
              radial-gradient(circle at 10% 90%, rgba(20,199,184,0.12), transparent 45%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-copy p.lead { font-size: 1.1rem; max-width: 480px; }
.hero-stats { display: flex; gap: 34px; margin-top: 34px; }
.hero-stats div strong { display: block; font-family: var(--font-display); font-size: 1.7rem; color: var(--ink); }
.hero-stats div span { font-size: 0.82rem; color: var(--ink-soft); }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.signal-wrap { position: relative; }
.signal-svg { width: 100%; height: auto; }
.signal-node {
  fill: var(--surface); stroke: var(--indigo); stroke-width: 2;
  animation: pulse 2.6s ease-in-out infinite;
}
.signal-node.n2 { animation-delay: .4s; fill: var(--signal); stroke: var(--signal); }
.signal-node.n3 { animation-delay: .8s; }
.signal-node.n4 { animation-delay: 1.2s; fill: var(--coral); stroke: var(--coral); }
.signal-path {
  fill: none; stroke: var(--indigo); stroke-width: 2.5; stroke-linecap: round;
  stroke-dasharray: 8 10; animation: dash 3.5s linear infinite;
}
@keyframes dash { to { stroke-dashoffset: -180; } }
@keyframes pulse { 0%,100% { r: 7; opacity: 1; } 50% { r: 10; opacity: .65; } }
@media (prefers-reduced-motion: reduce) {
  .signal-path, .signal-node { animation: none; }
}

/* ---------------------------------------------------------------------
   Services bento grid
   ------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: transparent; }
.service-icon { font-size: 1.8rem; margin-bottom: 14px; display: inline-block; }
.service-card h3 { margin-bottom: 8px; }
.service-card p { font-size: 0.92rem; margin-bottom: 14px; }
.service-card .card-link { font-weight: 600; font-size: 0.88rem; color: var(--indigo); }

/* ---------------------------------------------------------------------
   Process (real numbered sequence)
   ------------------------------------------------------------------- */
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
@media (max-width: 900px) { .process-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-list { grid-template-columns: 1fr; } }
.process-step { position: relative; padding-top: 8px; }
.process-step .num {
  font-family: var(--font-display); font-size: 2.6rem; font-weight: 700;
  color: transparent; -webkit-text-stroke: 1.5px var(--indigo); opacity: .55;
  line-height: 1;
}
.process-step h4 { margin: 10px 0 6px; }
.process-step p { font-size: 0.9rem; }

/* ---------------------------------------------------------------------
   Why-choose / stats band
   ------------------------------------------------------------------- */
.band-dark {
  background: var(--ink); color: #fff;
}
.band-dark p { color: #C7CAE4; }
.band-dark h2, .band-dark h3 { color: #fff; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
@media (max-width: 760px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-grid strong { display: block; font-family: var(--font-display); font-size: 2.1rem; color: var(--signal); }
.stat-grid span { font-size: 0.85rem; color: #C7CAE4; }

/* ---------------------------------------------------------------------
   Cards / lists reused across pages
   ------------------------------------------------------------------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { padding-left: 30px; position: relative; margin-bottom: 12px; font-size: 0.96rem; }
.check-list li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%; background: var(--signal); color: #fff;
  font-size: 0.72rem; display: flex; align-items: center; justify-content: center;
}

.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 760px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.blog-card .date { font-size: 0.78rem; color: var(--indigo); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.blog-card h3 { margin: 10px 0; }

/* ---------------------------------------------------------------------
   Contact / enquiry form
   ------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.info-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; }
.info-card strong { display: block; font-family: var(--font-display); margin-bottom: 4px; }

.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  font-family: var(--font-body); font-size: 0.95rem; background: var(--paper); color: var(--ink);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(91,79,233,.15);
}
.form-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-two { grid-template-columns: 1fr; } }

.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-size: 0.92rem; font-weight: 500; }
.alert-success { background: #E4FBF6; color: #0A7D6C; border: 1px solid #B6EFE2; }
.alert-error { background: #FDEDEA; color: #B23A22; border: 1px solid #F6C9BC; }

/* ---------------------------------------------------------------------
   CTA band
   ------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--indigo), var(--indigo-deep));
  color: #fff; border-radius: 22px; padding: 54px; text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #DCDAFB; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ---------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------- */
.site-footer { background: var(--ink); color: #C7CAE4; padding: 60px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.site-footer a { color: #C7CAE4; font-size: 0.92rem; }
.site-footer a:hover { color: var(--signal); }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.82rem;
}
.social-row { display: flex; gap: 12px; margin-top: 14px; }
.social-row a {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}

/* Breadcrumb / page header used on inner pages */
.page-hero { padding: 56px 0 40px; background: var(--surface); border-bottom: 1px solid var(--line); }
.breadcrumb { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 10px; }
.breadcrumb a { color: var(--indigo); }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }