/* Korvex Energy */

:root {
  --bg: #080c11;
  --bg-raised: #0f141c;
  --bg-panel: #141b25;
  --border: #243040;
  --border-light: #2f3f54;
  --text: #f1f5f9;
  --text-muted: #8494a7;
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --accent-glow: rgba(14, 165, 233, 0.15);
  --accent-border: rgba(14, 165, 233, 0.4);
  --steel: #5c6b7e;
  --font: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius: 6px;
  --radius-lg: 10px;
  --header-h: 108px;
  --transition: 0.22s ease;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(1180px, 92vw); margin-inline: auto; }

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

img, svg { display: block; }

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

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.panel-header {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
  padding: 0.9rem 1.4rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8, 12, 17, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-bar {
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.header-bar-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  flex-wrap: wrap;
}

.header-bar a { color: var(--accent); font-weight: 500; }
.header-bar a:hover { text-decoration: underline; }
.header-divider { color: var(--border-light); }

.status-live {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
  font-weight: 500;
}

.status-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 6px #22c55e;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.12rem;
  font-weight: 600;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: linear-gradient(145deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.logo-mark svg { width: 19px; height: 19px; }

.logo-text strong { font-weight: 700; color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  padding: 0.55rem 1.2rem !important;
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: var(--radius);
  font-weight: 600 !important;
}

.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.82rem 1.65rem;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: linear-gradient(145deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-raised);
  border-color: var(--steel);
}

.btn-lg { padding: 0.95rem 1.9rem; font-size: 0.98rem; }
.btn-full { width: 100%; }

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 3.5rem) 0 4.5rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 90% 80% at 60% 40%, black 20%, transparent 75%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(14, 165, 233, 0.08), transparent 65%);
}

.hero-accent-block {
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.4rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--accent);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.4rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 50ch;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-panel { overflow: hidden; box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35); }

.hero-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.hero-metric {
  padding: 1.25rem 1.4rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.hero-metric:nth-child(2n) { border-right: none; }
.hero-metric:nth-child(n+3) { border-bottom: none; }

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.metric-unit {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* SEO keyword tags */
.seo-tags {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  justify-content: center;
}

.tag-cloud li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--steel);
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-raised);
  transition: color var(--transition), border-color var(--transition);
}

.tag-cloud li:hover {
  color: var(--accent);
  border-color: var(--accent-border);
}

/* Trust */
.trust {
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}

.trust-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.trust-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
}

.trust-items span {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  padding-left: 0.85rem;
  border-left: 2px solid var(--border-light);
}

/* Sections */
section { padding: 4rem 0; }

.section-intro { max-width: 560px; margin-bottom: 3rem; }
.section-intro-center { margin-inline: auto; text-align: center; }

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.section-intro h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.section-intro p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pillar-card {
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}

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

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.pillar-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.pillar-card > p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Services */
.services {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.service-card {
  padding: 1.6rem;
  transition: border-color var(--transition), transform var(--transition);
}

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

.service-card.featured {
  grid-column: span 2;
  border-color: var(--accent-border);
  background: linear-gradient(145deg, var(--bg-panel), rgba(14, 165, 233, 0.05));
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Innovation */
.innovation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.innovation-panel {
  padding: 1.75rem;
  transition: border-color var(--transition);
}

.innovation-panel:hover { border-color: var(--border-light); }

.innovation-panel.highlight {
  border-color: var(--accent-border);
  background: linear-gradient(145deg, var(--bg-panel), rgba(14, 165, 233, 0.04));
}

.innovation-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--accent-border);
  padding: 0.22rem 0.5rem;
  border-radius: 3px;
  margin-bottom: 0.85rem;
}

.innovation-status.status-integrated {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.innovation-panel h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.innovation-panel p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Process */
.process { padding-top: 2rem; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.process-step { padding: 1.4rem; text-align: center; }

.process-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.process-step h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 1.1rem;
  line-height: 1.3;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 0.9rem;
  line-height: 1.75;
}

.about-list {
  list-style: none;
  margin-top: 1.4rem;
  border-top: 1px solid var(--border);
  padding-top: 1.4rem;
}

.about-list li {
  font-size: 0.9rem;
  padding: 0.45rem 0 0.45rem 1.1rem;
  border-left: 3px solid var(--accent);
  margin-bottom: 0.2rem;
}

.about-panel { overflow: hidden; }

.about-sectors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 1.4rem;
}

.about-sectors span {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.38rem 0.7rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
}

/* CTA */
.cta { padding-bottom: 4rem; }

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 2.5rem;
  border-color: var(--accent-border);
  background: linear-gradient(135deg, var(--bg-panel), rgba(14, 165, 233, 0.06));
}

.cta-inner h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 700;
}

/* Contact */
.contact {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.contact-item { padding: 1rem 1.2rem; }

.contact-link {
  display: block;
  transition: border-color var(--transition);
}

.contact-link:hover { border-color: var(--accent-border); }

.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--steel);
  margin-bottom: 0.3rem;
}

.contact-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent);
}

.contact-form { padding: 1.75rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.72rem 0.95rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--steel); }

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

.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; }

.form-note {
  text-align: center;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--accent);
}

/* Footer */
.footer {
  padding: 3rem 0 1.75rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
}

.footer-brand p {
  margin-top: 0.85rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.75rem;
}

.footer-links a {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text); }

.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 1.75rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--steel);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  :root { --header-h: 72px; }
  .header-bar { display: none; }
  .hero-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card.featured { grid-column: span 2; }
  .pillars-grid,
  .about-grid,
  .contact-grid,
  .process-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: min(290px, 88vw);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 4.5rem 1.5rem 2rem;
    background: var(--bg);
    border-left: 1px solid var(--border);
    transition: right var(--transition);
  }

  .nav-links.open { right: 0; }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--border); }
  .nav-links a { display: block; padding: 0.95rem 0; }
  .nav-cta { margin-top: 0.85rem; display: block !important; text-align: center; }

  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metric { border-right: none !important; border-bottom: 1px solid var(--border) !important; }
  .hero-metric:last-child { border-bottom: none !important; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: span 1; }
  .innovation-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 1.75rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .btn-primary:hover, .pillar-card:hover, .service-card:hover { transform: none; }
}