/* ============================================================
   Techleet Solutions — main.css
   Tokens derived from 2023 company profile:
   indigo gradient DNA, white wordmark, signal-orange accent.
   ============================================================ */

:root {
  --ink: #0a0a18;
  --indigo-950: #12112c;
  --indigo-900: #1b1a3e;
  --indigo-700: #34327a;
  --indigo-500: #5b58c7;
  --indigo-300: #8f8ce0;
  --paper: #f3f2fa;
  --paper-dim: #e6e4f2;
  --signal: #ffa33c;
  --signal-deep: #e8871a;
  --muted: #a9a7c9;
  --ink-on-paper: #1b1a3e;
  --muted-on-paper: #56547e;

  --font-sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;

  --w: min(1120px, calc(100vw - 48px));
  --radius: 10px;
}

/* ---------- reset-ish ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; display: block; }
a { color: inherit; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--paper);
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(91, 88, 199, 0.28), transparent 60%),
    radial-gradient(900px 700px at -10% 30%, rgba(52, 50, 122, 0.35), transparent 55%),
    linear-gradient(170deg, #17163b 0%, var(--ink) 55%);
  background-attachment: fixed;
}

::selection { background: var(--signal); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap { width: var(--w); margin-inline: auto; }

/* ---------- typography ---------- */
.display {
  font-weight: 800;
  font-stretch: 118%;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.04;
}

h1.display { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2.display { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-weight: 700; font-size: 1.15rem; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal);
  display: block;
  margin-bottom: 1.1rem;
}

.lede { font-size: 1.15rem; color: var(--muted); max-width: 58ch; }
.on-paper .lede { color: var(--muted-on-paper); }

.mono-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--indigo-300);
}

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 10, 24, 0.72);
  border-bottom: 1px solid rgba(91, 88, 199, 0.25);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}
.nav-logo img { height: 34px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a:not(.btn) {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s;
}
.nav-links a:not(.btn):hover,
.nav-links a[aria-current="page"]:not(.btn) { color: var(--paper); }
.nav-links a[aria-current="page"]:not(.btn) {
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(91, 88, 199, 0.4);
  border-radius: 8px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.7rem;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn-signal {
  background: var(--signal);
  color: var(--ink);
}
.btn-signal:hover {
  background: var(--signal-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 163, 60, 0.25);
}
.btn-ghost {
  border: 1px solid rgba(91, 88, 199, 0.55);
  color: var(--paper);
}
.btn-ghost:hover { border-color: var(--indigo-300); transform: translateY(-2px); }
.on-paper .btn-ghost { border-color: rgba(52, 50, 122, 0.45); color: var(--ink-on-paper); }

/* ---------- sections ---------- */
.section { padding-block: 5.5rem; }
.section-tight { padding-block: 3.5rem; }
.section-head { margin-bottom: 3rem; max-width: 62ch; }
.section-head p { margin-top: 0.9rem; }

.on-paper {
  background: var(--paper);
  color: var(--ink-on-paper);
}
.on-paper .eyebrow { color: var(--signal-deep); }
.on-paper .mono-code { color: var(--indigo-700); }

/* ---------- pulse trace (signature) ---------- */
.pulse-trace { display: block; width: 100%; height: auto; }
.pulse-trace path {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2;
  stroke-linejoin: miter;
}
.pulse-hero path {
  stroke-dasharray: 1600;
  stroke-dashoffset: 1600;
  animation: pulse-draw 1.6s cubic-bezier(0.6, 0, 0.3, 1) 0.3s forwards;
}
@keyframes pulse-draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .pulse-hero path { stroke-dashoffset: 0; }
}

/* ---------- hero ---------- */
.hero { padding-block: 6.5rem 4rem; }
.hero .lede { margin-top: 1.4rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.4rem; }
.hero-trace { margin-top: 3.5rem; }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 2.4rem;
  margin-top: 2.2rem;
  padding: 0;
  list-style: none;
}
.hero-facts li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.hero-facts li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--signal);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* ---------- pillar panels ---------- */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.pillar {
  position: relative;
  border: 1px solid rgba(91, 88, 199, 0.3);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(52, 50, 122, 0.35), rgba(18, 17, 44, 0.65));
  padding: 2.2rem 2rem;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.pillar::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), transparent 70%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.6, 0, 0.3, 1);
}
.pillar:hover { transform: translateY(-4px); border-color: rgba(91, 88, 199, 0.6); }
.pillar:hover::before { transform: scaleX(1); }
.pillar h3 {
  font-stretch: 112%;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1.25rem;
  margin: 0.5rem 0 1rem;
}
.pillar p { color: var(--muted); font-size: 0.98rem; }
.pillar ul {
  list-style: none;
  margin-top: 1.4rem;
  display: grid;
  gap: 0.55rem;
}
.pillar ul li {
  font-size: 0.92rem;
  color: var(--paper);
  padding-left: 1.2rem;
  position: relative;
}
.pillar ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--signal);
}
.pillar .pillar-link {
  display: inline-block;
  margin-top: 1.6rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--signal);
  text-decoration: none;
}
.pillar .pillar-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- SAD feature band ---------- */
.sad-band {
  border-block: 1px solid rgba(91, 88, 199, 0.3);
  background:
    linear-gradient(120deg, rgba(52, 50, 122, 0.5), rgba(10, 10, 24, 0.2) 60%),
    var(--indigo-950);
}
.sad-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}
.sad-steps { list-style: none; display: grid; gap: 1.1rem; }
.sad-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
  border-left: 2px solid rgba(91, 88, 199, 0.45);
  padding-left: 1.1rem;
}
.sad-steps .mono-code { color: var(--signal); }
.sad-steps strong { display: block; font-size: 0.98rem; }
.sad-steps span:last-child { font-size: 0.9rem; color: var(--muted); }

/* ---------- why us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
.why-card { padding-top: 1.4rem; border-top: 2px solid rgba(52, 50, 122, 0.4); }
.on-paper .why-card { border-top-color: rgba(52, 50, 122, 0.25); }
.why-card h3 { font-size: 1rem; margin: 0.6rem 0 0.5rem; }
.why-card p { font-size: 0.92rem; color: var(--muted-on-paper); }

/* ---------- clients ---------- */
.clients-band { border-top: 1px solid var(--paper-dim); }
.clients-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 2.5rem;
}
.client-chip {
  background: #fff;
  border: 1px solid var(--paper-dim);
  border-radius: 50%;
  width: clamp(104px, 13vw, 150px);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.client-chip:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(27, 26, 62, 0.14);
}
.client-chip img { max-height: 100%; object-fit: contain; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band .display { margin-bottom: 1rem; }
.cta-band p { color: var(--muted); max-width: 52ch; margin-inline: auto; }
.cta-band .btn { margin-top: 2.2rem; }

/* ---------- services page ---------- */
.svc-track { margin-bottom: 4.5rem; }
.svc-rows { display: grid; gap: 0; border-top: 1px solid rgba(91, 88, 199, 0.3); }
.on-paper .svc-rows { border-top-color: rgba(52, 50, 122, 0.2); }
.svc-row {
  display: grid;
  grid-template-columns: 110px 1fr 1.4fr;
  gap: 2rem;
  padding: 1.6rem 0.4rem;
  border-bottom: 1px solid rgba(91, 88, 199, 0.3);
  transition: background 0.15s;
}
.on-paper .svc-row { border-bottom-color: rgba(52, 50, 122, 0.2); }
.svc-row:hover { background: rgba(91, 88, 199, 0.07); }
.svc-row h3 { font-size: 1.02rem; }
.svc-row p { font-size: 0.93rem; color: var(--muted); }
.on-paper .svc-row p { color: var(--muted-on-paper); }

/* ---------- about page ---------- */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin-top: 3rem;
}
.mv-card {
  border: 1px solid rgba(91, 88, 199, 0.3);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(52, 50, 122, 0.35), rgba(18, 17, 44, 0.65));
  padding: 2.2rem 2rem;
}
.mv-card h3 {
  font-stretch: 112%;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}
.mv-card p { color: var(--muted); font-size: 0.97rem; }

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.1rem; }
.prose p { color: var(--muted); }
.on-paper .prose p { color: var(--muted-on-paper); }

/* ---------- contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: 0.4rem; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 0.97rem;
  color: var(--paper);
  background: rgba(18, 17, 44, 0.6);
  border: 1px solid rgba(91, 88, 199, 0.35);
  border-radius: 8px;
  padding: 0.8rem 0.95rem;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--signal);
  outline-offset: 0;
  border-color: transparent;
}
.contact-aside .mono-code { display: block; margin-bottom: 0.4rem; }
.contact-aside a { color: var(--paper); text-decoration-color: var(--signal); text-underline-offset: 4px; }
.next-steps { list-style: none; display: grid; gap: 1rem; margin-top: 1.2rem; }
.next-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: baseline;
  font-size: 0.94rem;
  color: var(--muted);
}
.next-steps .mono-code { color: var(--signal); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid rgba(91, 88, 199, 0.25);
  background: rgba(10, 10, 24, 0.6);
  padding-block: 3rem 2rem;
  margin-top: 0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-grid img { height: 30px; width: auto; }
.footer-links { list-style: none; display: flex; gap: 1.8rem; }
.footer-links a { font-size: 0.88rem; color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--paper); }
.footer-meta {
  margin-top: 2.2rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(91, 88, 199, 0.15);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ---------- page hero (inner pages) ---------- */
.page-hero { padding-block: 5rem 3rem; }
.page-hero .lede { margin-top: 1.2rem; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .pillars, .sad-grid, .mv-grid, .contact-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .svc-row { grid-template-columns: 90px 1fr; }
  .svc-row p { grid-column: 2; }
  .sad-grid { gap: 2.2rem; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(10, 10, 24, 0.97);
    border-bottom: 1px solid rgba(91, 88, 199, 0.3);
    padding: 0.6rem 24px 1.2rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a:not(.btn) { display: block; padding: 0.8rem 0; }
  .nav-links .btn { margin-top: 0.8rem; }
  .nav-toggle { display: block; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .svc-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .svc-row p { grid-column: 1; }
  .hero { padding-block: 4.5rem 3rem; }
  .section { padding-block: 3.8rem; }
}