/* ─────────────────────────────────────────────
   CoreXprt — Modern Dark Theme
   ───────────────────────────────────────────── */

:root {
  --bg:           #070B14;
  --surface:      #0D1628;
  --surface-2:    #131D35;
  --border:       rgba(255, 255, 255, 0.08);
  --border-hover: rgba(140, 210, 17, 0.3);
  --accent:       #8CD211;
  --accent-dim:   rgba(140, 210, 17, 0.10);
  --text:         #EFF4FF;
  --text-muted:   #7B8699;
  --text-dim:     #3D4A5C;
  --font:         'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:       16px;
  --radius-sm:    10px;
  --max-w:        1100px;
  --nav-h:        72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── ANIMATION ─────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── NAV ───────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 32px;
  transition: background 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo .mark {
  height: 38px;
  width: 38px;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  background: var(--accent) !important;
  color: #0A1200 !important;
  font-weight: 700 !important;
  margin-left: 8px;
}

.nav-cta:hover {
  opacity: 0.88 !important;
  background: var(--accent) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ─── HERO ──────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at 50% 40%, rgba(140, 210, 17, 0.10) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 880px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(140, 210, 17, 0.22);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 36px;
  animation: fadeUp 0.7s ease both;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 28px;
  animation: fadeUp 0.7s ease 0.1s both;
}

.hero h1 .accent { color: var(--accent); }

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 56px;
  line-height: 1.75;
  animation: fadeUp 0.7s ease 0.2s both;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.7s ease 0.3s both;
}

/* ─── BUTTONS ───────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0A1400;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.18);
}

/* ─── SECTIONS ──────────────────────────────── */
.section {
  padding: 96px 32px;
  scroll-margin-top: var(--nav-h);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ─── SERVICES ──────────────────────────────── */
.services h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text);
  margin-bottom: 56px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(140,210,17,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.service-card:hover::after { opacity: 1; }

.service-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(140, 210, 17, 0.15);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.service-icon-wrap {
  width: 56px;
  height: 56px;
  background: var(--surface-2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.service-icon-wrap img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ─── ABOUT ─────────────────────────────────── */
.about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about .container { max-width: var(--max-w); margin: 0 auto; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 40px;
}

.about-left h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text);
  margin-bottom: 28px;
}

.about-left p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 18px;
}
.about-left p:last-child { margin-bottom: 0; }

/* Manifesto */
.about-manifesto {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 44px;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}

.about-manifesto::before {
  content: '';
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(140,210,17,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.about-manifesto-mark {
  display: block;
  font-size: 5rem;
  line-height: 0.6;
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 24px;
  font-family: Georgia, serif;
  opacity: 0.9;
}

.about-manifesto p {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.about-manifesto-attr {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Experience from ticker */
.about-exp {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.about-exp-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

.about-exp-ticker-wrap {
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.about-exp-ticker {
  display: flex;
  align-items: center;
  width: max-content;
  animation: exp-ticker 28s linear infinite;
  gap: 0;
}

.about-exp-ticker span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  padding: 0 20px;
  transition: color 0.2s;
}

.about-exp-ticker span:hover { color: var(--text); }

.about-exp-sep {
  color: var(--accent) !important;
  font-size: 0.5rem !important;
  opacity: 0.5;
  padding: 0 !important;
  flex-shrink: 0;
}

/* ─── NAV ON-CALL ───────────────────────────── */
.nav-oncall {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

@keyframes signal-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(140,210,17,0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(140,210,17,0); }
  100% { box-shadow: 0 0 0 0 rgba(140,210,17,0); }
}

.nav-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: signal-pulse 1.8s ease-out infinite;
  flex-shrink: 0;
}

/* ─── EMERGENCY ─────────────────────────────── */
.emergency { background: var(--bg); }

.emergency-inner {
  max-width: 760px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid rgba(140,210,17,0.25);
  border-radius: var(--radius);
  padding: 64px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.emergency-inner::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(140,210,17,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.emergency-signal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.signal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: signal-pulse 1.8s ease-out infinite;
}

.emergency-signal span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.emergency-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.15;
}

.emergency-inner p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 520px;
  margin: 0 auto 36px;
}

/* ─── HOW WE WORK ───────────────────────────── */
.how-we-work { background: var(--surface); border-top: 1px solid var(--border); }

.how-we-work .section-inner { max-width: var(--max-w); margin: 0 auto; }

.how-we-work h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 16px;
}

.how-we-work > .section-inner > p,
.how-we-work .section-inner > p {
  color: var(--text-muted);
  margin-bottom: 56px;
  font-size: 1rem;
}

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

.step {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.3s, transform 0.3s;
}

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

.step-num {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 20px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ─── CLIENTS ───────────────────────────────── */
.clients { background: var(--bg); border-top: 1px solid var(--border); }

.clients h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: var(--max-w);
  margin: 0 auto 48px;
}

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

.marquee-wrap {
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}

.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: marquee 22s linear infinite;
}

.marquee-item {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  padding: 0 36px;
  letter-spacing: -0.02em;
  transition: color 0.2s;
}

.marquee-item:hover { color: var(--text); }

.marquee-sep {
  color: var(--accent);
  font-size: 0.55rem;
  opacity: 0.5;
  flex-shrink: 0;
}

/* ─── CONTACT ───────────────────────────────── */
.contact {
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
}

.contact h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 20px;
}

.contact p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── FOOTER ────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.footer-logo img { height: 24px; width: 24px; }

.footer-logo span {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

footer p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ─── RESPONSIVE ─────────────────────────────── */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-exp-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .about-exp-grid span:nth-child(3) { border-right: none; }
  .about-exp-grid span:nth-child(4),
  .about-exp-grid span:nth-child(5),
  .about-exp-grid span:nth-child(6) {
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 600px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(7,11,20,0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta {
    margin-left: 0 !important;
    margin-top: 8px;
    text-align: center;
  }
  .hero h1 { font-size: clamp(2.4rem, 11vw, 3.5rem); }
  .services-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .about-exp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-exp-grid span:nth-child(3) { border-right: 1px solid var(--border); }
  .about-exp-grid span:nth-child(2),
  .about-exp-grid span:nth-child(4),
  .about-exp-grid span:nth-child(6) { border-right: none; }
  .about-exp-grid span:nth-child(3),
  .about-exp-grid span:nth-child(4),
  .about-exp-grid span:nth-child(5),
  .about-exp-grid span:nth-child(6) {
    border-top: 1px solid var(--border);
  }
  .marquee-item { font-size: 1rem; }
  .emergency-inner { padding: 40px 24px; }
}