/* ============================================================
   Nesygent — Enterprise Design System
   Palette: Black / White / Orange (#F69500)
   ============================================================ */

:root {
  --black: #0a0a0a;
  --black-raised: #111111;
  --black-card: #161616;
  --black-border: #262626;
  --white: #ffffff;
  --grey-100: #f4f4f4;
  --grey-400: #a3a3a3;
  --grey-500: #8a8a8a;
  --orange: #f69500;
  --orange-bright: #ffa41c;
  --orange-dim: rgba(246, 149, 0, 0.12);
  --orange-glow: rgba(246, 149, 0, 0.35);

  --font-display: "Sora", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1240px;
  --radius: 14px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--orange); color: var(--black); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--orange);
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  margin-bottom: 20px;
  max-width: 720px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--grey-400);
  max-width: 640px;
  margin-bottom: 56px;
}

.accent { color: var(--orange); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 15px 32px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--orange);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--orange-bright);
  box-shadow: 0 8px 32px var(--orange-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--black-border);
}

.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-bottom-color: var(--black-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  display: block;
  height: 46px;
  width: auto;
  max-width: none;
}

.main-nav { display: flex; align-items: center; gap: 36px; }

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--grey-400);
  transition: color var(--transition);
  position: relative;
}

.main-nav a:hover, .main-nav a.active { color: var(--white); }

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}

.main-nav a:hover::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 16px; }

.header-cta .btn { padding: 11px 24px; font-size: 0.88rem; }

.btn-header-cta .btn-label-short { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(246, 149, 0, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 40% at 15% 85%, rgba(246, 149, 0, 0.06), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 30%, transparent 75%);
  pointer-events: none;
}

.hero-content { position: relative; max-width: 860px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid var(--black-border);
  border-radius: 100px;
  background: var(--black-raised);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--grey-400);
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px var(--orange);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--grey-400);
  max-width: 620px;
  margin-bottom: 44px;
}

.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.hero-meta {
  margin-top: 72px;
  padding-top: 36px;
  border-top: 1px solid var(--black-border);
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.hero-meta .metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
}

.hero-meta .metric span {
  font-size: 0.88rem;
  color: var(--grey-500);
}

/* ---------- Marquee strip ---------- */

.strip {
  border-top: 1px solid var(--black-border);
  border-bottom: 1px solid var(--black-border);
  background: var(--black-raised);
  padding: 22px 0;
  overflow: hidden;
}

.strip-track {
  display: flex;
  gap: 72px;
  width: max-content;
  animation: marquee 36s linear infinite;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey-500);
  white-space: nowrap;
}

.strip-item::before { content: "▲"; color: var(--orange); font-size: 0.6rem; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Sections ---------- */

.section { padding: 120px 0; position: relative; }

.section-dark { background: var(--black); }
.section-raised { background: var(--black-raised); border-top: 1px solid var(--black-border); border-bottom: 1px solid var(--black-border); }

/* ---------- Capability cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: rgba(246, 149, 0, 0.4);
  transform: translateY(-4px);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--orange-dim);
  border: 1px solid rgba(246, 149, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.card-icon svg { width: 26px; height: 26px; stroke: var(--orange); }

.card h3 { font-size: 1.2rem; margin-bottom: 12px; }

.card p { font-size: 0.95rem; color: var(--grey-400); }

/* ---------- Workflow steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  background: var(--black-card);
  transition: all var(--transition);
}

.step:hover { border-color: rgba(246, 149, 0, 0.4); }

.step-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-bottom: 18px;
}

.step h3 { font-size: 1.08rem; margin-bottom: 10px; }

.step p { font-size: 0.9rem; color: var(--grey-400); }

/* ---------- Split section (governance) ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.split-visual {
  position: relative;
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  background: var(--black-card);
  padding: 40px;
  overflow: hidden;
}

.split-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 80% 0%, rgba(246,149,0,0.08), transparent 60%);
  pointer-events: none;
}

.check-list { list-style: none; }

.check-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--black-border);
  font-size: 1rem;
  color: var(--grey-100);
}

.check-list li:last-child { border-bottom: none; }

.check-list .tick {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--orange-dim);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 2px;
}

.check-list li strong { color: var(--white); }

/* Console mock inside split visual */

.console { font-family: "SF Mono", "Fira Code", Consolas, monospace; font-size: 0.82rem; position: relative; z-index: 1; }

.console-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.console-bar i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--black-border);
}

.console-bar i:first-child { background: var(--orange); }

.console-line {
  padding: 7px 0;
  color: var(--grey-400);
  display: flex;
  gap: 12px;
}

.console-line .t { color: var(--grey-500); flex-shrink: 0; }
.console-line .ok { color: var(--orange); }
.console-line .w { color: var(--white); }

/* ---------- Industries ---------- */

.pill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pill {
  padding: 28px 30px;
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  background: var(--black-card);
  transition: all var(--transition);
}

.pill:hover { border-color: rgba(246,149,0,0.4); transform: translateY(-3px); }

.pill h3 { font-size: 1.05rem; margin-bottom: 8px; }
.pill p { font-size: 0.88rem; color: var(--grey-400); }

/* ---------- CTA band ---------- */

.cta-band {
  position: relative;
  padding: 110px 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--black-border);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 80% at 50% 100%, rgba(246,149,0,0.14), transparent 65%);
  pointer-events: none;
}

.cta-band .container { position: relative; }

.cta-band h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin-bottom: 20px;
}

.cta-band p {
  font-size: 1.12rem;
  color: var(--grey-400);
  max-width: 560px;
  margin: 0 auto 40px;
}

.cta-band .hero-actions { justify-content: center; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--black-raised);
  border-top: 1px solid var(--black-border);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand a {
  display: inline-block;
  margin-bottom: 20px;
}

.footer-brand img {
  display: block;
  height: 54px;
  width: auto;
  max-width: none;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--grey-500);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-500);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 12px; }

.footer-col a {
  font-size: 0.94rem;
  color: var(--grey-400);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--orange); }

.footer-bottom {
  border-top: 1px solid var(--black-border);
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--grey-500);
}

.footer-bottom .legal-links { display: flex; gap: 28px; }

.footer-bottom a { transition: color var(--transition); }
.footer-bottom a:hover { color: var(--orange); }

/* ---------- Sub-pages (legal / contact) ---------- */

.page-hero {
  padding: 170px 0 70px;
  border-bottom: 1px solid var(--black-border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 80% 0%, rgba(246,149,0,0.08), transparent 60%);
  pointer-events: none;
}

.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: 16px; }

.page-hero .sub { color: var(--grey-400); font-size: 1.08rem; max-width: 620px; }

.legal-body { padding: 80px 0 120px; }

.legal-body .container { max-width: 860px; }

.legal-body h2 {
  font-size: 1.45rem;
  margin: 52px 0 18px;
  padding-top: 8px;
}

.legal-body h2:first-child { margin-top: 0; }

.legal-body h2 span { color: var(--orange); margin-right: 10px; }

.legal-body p, .legal-body li {
  color: var(--grey-400);
  font-size: 1rem;
  margin-bottom: 14px;
}

.legal-body ul { padding-left: 22px; margin-bottom: 20px; }

.legal-body strong { color: var(--white); }

.legal-updated {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--grey-500);
  border: 1px solid var(--black-border);
  border-radius: 100px;
  padding: 6px 16px;
  margin-top: 20px;
}

/* ---------- Contact ---------- */

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 72px;
  padding: 90px 0 130px;
}

.contact-info h2 { font-size: 1.7rem; margin-bottom: 16px; }

.contact-info > p { color: var(--grey-400); margin-bottom: 40px; }

.contact-channel {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--black-border);
}

.contact-channel .card-icon { width: 46px; height: 46px; margin: 0; flex-shrink: 0; }
.contact-channel .card-icon svg { width: 22px; height: 22px; }

.contact-channel h3 { font-size: 1rem; margin-bottom: 4px; }
.contact-channel p { font-size: 0.92rem; color: var(--grey-400); }
.contact-channel a { color: var(--orange); }
.contact-channel a:hover { text-decoration: underline; }

.contact-form {
  background: var(--black-card);
  border: 1px solid var(--black-border);
  border-radius: var(--radius);
  padding: 44px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-group { margin-bottom: 22px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--grey-100);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--black-border);
  border-radius: 8px;
  padding: 13px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-dim);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-note { font-size: 0.8rem; color: var(--grey-500); margin-top: 18px; }
.form-note a { color: var(--orange); }

.form-success {
  display: none;
  background: var(--orange-dim);
  border: 1px solid rgba(246,149,0,0.4);
  color: var(--orange-bright);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 0.95rem;
  margin-bottom: 22px;
}

.form-success.visible { display: block; }

.form-error {
  display: none;
  font-size: 0.82rem;
  color: #ff6b4a;
  margin-top: 6px;
}

.form-group.has-error .form-error { display: block; }

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #ff6b4a;
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.15);
}

.form-group.has-error input:focus,
.form-group.has-error select:focus,
.form-group.has-error textarea:focus {
  border-color: #ff6b4a;
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.2);
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .card-grid, .pill-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; gap: 56px; }
}

@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--black-raised);
    border-bottom: 1px solid var(--black-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 20px 20px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .main-nav.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a { padding: 14px 0; width: 100%; font-size: 1rem; }

  .nav-toggle { display: flex; }
  .header-cta { gap: 10px; }
  .header-cta .btn-outline { display: none; }
  .header-cta .btn-header-cta {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  .btn-header-cta .btn-label-full { display: none; }
  .btn-header-cta .btn-label-short { display: inline; }
  .brand img { height: 40px; }

  .card-grid, .pill-grid, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 130px; }
  .hero-meta { gap: 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 30px 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .strip-track { animation: none; }
}