/* ==========================================================================
   Alliance ITL Services — Stylesheet
   ========================================================================== */

:root {
  --color-bg: #0b1120;
  --color-bg-alt: #0f172a;
  --color-surface: #111a2e;
  --color-surface-2: #16213b;
  --color-border: rgba(148, 163, 184, 0.14);
  --color-text: #e6ebf5;
  --color-text-muted: #97a3bd;
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-accent: #22d3ee;
  --gradient-brand: linear-gradient(135deg, #2563eb 0%, #22d3ee 100%);
  --gradient-text: linear-gradient(135deg, #60a5fa 0%, #22d3ee 100%);
  --shadow-soft: 0 20px 50px -20px rgba(37, 99, 235, 0.35);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --max-width: 1180px;
  --transition: 200ms ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
section { position: relative; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head {
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p { margin-top: 14px; color: var(--color-text-muted); font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-brand);
  color: #051022;
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 24px 55px -18px rgba(34, 211, 238, 0.45); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--color-border);
  padding: 12px 0;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.08rem; color: var(--color-text); }
.brand img { width: 34px; height: 34px; }
.brand-name strong { display: block; }
.brand-name span { display: block; font-size: 0.68rem; font-weight: 500; color: var(--color-text-muted); letter-spacing: 0.04em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--color-text); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: 168px 0 110px;
  background:
    radial-gradient(700px 400px at 85% -10%, rgba(37, 99, 235, 0.35), transparent 60%),
    radial-gradient(600px 400px at 5% 10%, rgba(34, 211, 238, 0.18), transparent 60%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.5rem);
  letter-spacing: -0.03em;
}
.hero-sub {
  margin-top: 20px;
  font-size: 1.12rem;
  color: var(--color-text-muted);
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 52px;
  flex-wrap: wrap;
}
.hero-stats .stat strong { display: block; font-size: 1.7rem; font-weight: 800; }
.hero-stats .stat span { font-size: 0.82rem; color: var(--color-text-muted); }

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-brand);
  opacity: 0.35;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.code-window { border-radius: var(--radius-md); overflow: hidden; background: #060a14; border: 1px solid var(--color-border); }
.code-window-bar { display: flex; gap: 6px; padding: 12px 14px; background: #0a0f1c; }
.code-window-bar span { width: 10px; height: 10px; border-radius: 50%; background: #334155; }
.code-window pre { margin: 0; padding: 20px; font-size: 0.82rem; overflow-x: auto; color: #cbd5e1; }
.code-window code .tok-key { color: #22d3ee; }
.code-window code .tok-str { color: #a5f3fc; }
.code-window code .tok-com { color: #64748b; }
.code-window code .tok-fn { color: #60a5fa; }

.floating-badges { display: flex; justify-content: space-between; margin-top: 18px; gap: 10px; flex-wrap: wrap; }
.badge-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.badge-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); }

/* ==========================================================================
   Logos strip
   ========================================================================== */
.logos-strip { padding: 46px 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.logos-strip p { text-align: center; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 26px; }
.logos-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 28px; opacity: 0.75; }
.logos-row span { font-weight: 700; font-size: 1.05rem; color: var(--color-text-muted); letter-spacing: 0.02em; }

/* ==========================================================================
   Services
   ========================================================================== */
.services { padding: 120px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card {
  padding: 30px 26px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.35);
  background: var(--color-surface-2);
}
.service-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-brand);
  margin-bottom: 18px;
}
.service-icon svg { width: 24px; height: 24px; stroke: #061022; }
.service-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ==========================================================================
   Approach / process
   ========================================================================== */
.approach { padding: 0 0 120px; }
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.approach-step {
  position: relative;
  padding: 28px 22px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.approach-step .num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 14px;
  display: block;
}
.approach-step h3 { font-size: 1.02rem; margin-bottom: 8px; }
.approach-step p { color: var(--color-text-muted); font-size: 0.9rem; }

/* ==========================================================================
   Why us
   ========================================================================== */
.why { padding: 0 0 120px; }
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-list { display: flex; flex-direction: column; gap: 22px; margin-top: 30px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item .check {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.3);
  display: flex; align-items: center; justify-content: center;
}
.why-item .check svg { width: 16px; height: 16px; stroke: var(--color-accent); }
.why-item h4 { font-size: 1rem; margin-bottom: 4px; }
.why-item p { color: var(--color-text-muted); font-size: 0.92rem; }

.why-panel {
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  padding: 34px;
}
.why-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.why-metric { padding: 20px; border-radius: var(--radius-sm); background: var(--color-bg-alt); border: 1px solid var(--color-border); }
.why-metric strong { display: block; font-size: 1.9rem; font-weight: 800; background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.why-metric span { font-size: 0.82rem; color: var(--color-text-muted); }

/* ==========================================================================
   Industries
   ========================================================================== */
.industries { padding: 0 0 120px; }
.industries-row { display: flex; flex-wrap: wrap; gap: 14px; }
.industry-chip {
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.92rem;
  color: var(--color-text-muted);
  transition: border-color var(--transition), color var(--transition);
}
.industry-chip:hover { border-color: var(--color-accent); color: var(--color-text); }

/* ==========================================================================
   Testimonial
   ========================================================================== */
.testimonial { padding: 0 0 120px; }
.testimonial-card {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(34,211,238,0.08));
  border: 1px solid var(--color-border);
  padding: 56px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.testimonial-card blockquote { font-size: 1.35rem; font-weight: 500; letter-spacing: -0.01em; }
.testimonial-card cite { display: block; margin-top: 26px; font-style: normal; color: var(--color-text-muted); font-size: 0.92rem; }

/* ==========================================================================
   Contact / CTA
   ========================================================================== */
.contact { padding: 0 0 130px; }
.contact-panel {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.contact-info p { margin-top: 14px; color: var(--color-text-muted); }
.contact-details { margin-top: 30px; display: flex; flex-direction: column; gap: 16px; }
.contact-details a, .contact-details div {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.94rem;
  color: var(--color-text-muted);
}
.contact-details svg { width: 18px; height: 18px; stroke: var(--color-accent); flex: none; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 0.85rem; margin-bottom: 8px; color: var(--color-text-muted); }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.94rem;
  transition: border-color var(--transition);
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 12px; text-align: center; }
.form-success {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--color-accent);
  font-size: 0.88rem;
  text-align: center;
}
.form-success.visible { display: block; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid var(--color-border); padding: 50px 0 30px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; max-width: 280px; }
.footer-col h5 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 0.9rem; color: var(--color-text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.social-links { display: flex; gap: 14px; }
.social-links a {
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.social-links svg { width: 16px; height: 16px; stroke: var(--color-text-muted); }
.social-links a:hover svg { stroke: var(--color-accent); }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 90;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top svg { width: 18px; height: 18px; stroke: #051022; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Mobile nav
   ========================================================================== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px 26px;
    gap: 18px;
  }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-panel { grid-template-columns: 1fr; padding: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .logos-row { justify-content: center; }
  .testimonial-card { padding: 34px 22px; }
}