/* ============================================================
   Behavioum – Main Stylesheet
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #0a1628;
  --accent: #00c8ff;
  --accent2: #7c3aed;
  --accent-glow: rgba(0, 200, 255, 0.18);
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(0, 200, 255, 0.15);
  --white: #ffffff;
  --section-dark: #060e1c;
  --section-mid: #0d1f38;
  --gradient-hero: linear-gradient(135deg, #060e1c 0%, #0d1f38 50%, #0a1628 100%);
  --gradient-accent: linear-gradient(90deg, #00c8ff, #7c3aed);
  --font-main: 'Inter', 'Segoe UI', sans-serif;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--primary);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--white); }

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

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
}

p { color: var(--text-muted); margin-bottom: 1rem; }

ul { list-style: none; }

/* ---------- Utility Classes ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.badge {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid var(--card-border);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 200, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 200, 255, 0.5);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 22px; font-size: 0.875rem; }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(6, 14, 28, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 200, 255, 0.08);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(6, 14, 28, 0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  background: #0d1f38;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}
.nav-dropdown-menu a:hover {
  background: var(--accent-glow);
  color: var(--white);
}
.nav-dropdown-menu .icon { font-size: 1rem; }
.nav-cta { margin-left: 8px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,200,255,0.15), transparent 70%);
  top: -100px; right: -100px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.12), transparent 70%);
  bottom: -80px; left: -80px;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 80px 0;
}
.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.hero-stat-item {}
.hero-stat-item .stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-stat-item .stat-num span { color: var(--accent); }
.hero-stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---------- Section Headers ---------- */
.section-header { margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.05rem;
  max-width: 600px;
  color: var(--text-muted);
}
.section-header.text-center p { margin: 0 auto; }

/* ---------- Cards ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition);
}
.card:hover {
  border-color: rgba(0, 200, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { font-size: 0.9rem; margin: 0; }

/* ---------- Grid Layouts ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }

/* ---------- How It Works / Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px; left: 12.5%; right: 12.5%;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0.3;
}
.step-item { text-align: center; padding: 0 16px; }
.step-num {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--section-mid);
  border: 2px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.step-item:hover .step-num {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 24px rgba(0,200,255,0.3);
}
.step-item h3 { font-size: 1rem; margin-bottom: 8px; }
.step-item p { font-size: 0.85rem; }

/* ---------- Industry Cards (Solutions) ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.industry-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}
.industry-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition);
}
.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border-color: rgba(0,200,255,0.4);
}
.industry-card .ic-icon { font-size: 2.5rem; }
.industry-card .ic-title { font-size: 1.4rem; font-weight: 700; color: var(--white); }
.industry-card .ic-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }
.industry-card .ic-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent); font-size: 0.875rem; font-weight: 600;
  margin-top: auto;
}
.industry-card:hover .ic-link { color: var(--white); }

/* ---------- Feature List ---------- */
.feature-list { display: flex; flex-direction: column; gap: 16px; }
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.feature-item:hover { border-color: rgba(0,200,255,0.3); background: rgba(0,200,255,0.04); }
.feature-item .fi-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--accent-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.feature-item .fi-content h4 { font-size: 1rem; margin-bottom: 4px; }
.feature-item .fi-content p { font-size: 0.875rem; margin: 0; }

/* ---------- Two-Column Split ---------- */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }
.split-visual {
  background: var(--section-mid);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.split-visual::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(0,200,255,0.06), transparent 60%);
  pointer-events: none;
}

/* ---------- Stats / Metrics Bar ---------- */
.metrics-bar {
  background: var(--section-mid);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  padding: 48px 0;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.metric-item .m-num {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-item .m-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ---------- Testimonial / Quote ---------- */
.quote-block {
  background: var(--section-mid);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 32px 40px;
  margin: 48px 0;
}
.quote-block p {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-light);
  margin: 0;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, #0d1f38, #060e1c);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  text-align: center;
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,200,255,0.08), transparent 70%);
  pointer-events: none;
}
.cta-section h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); margin-bottom: 16px; }
.cta-section p { font-size: 1.05rem; max-width: 560px; margin: 0 auto 40px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding: 140px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; max-width: 680px; }

/* ---------- Tag List ---------- */
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag {
  background: var(--accent-glow);
  border: 1px solid var(--card-border);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
}

/* ---------- Accordion ---------- */
.accordion { display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--white);
  font-size: 1rem;
  transition: var(--transition);
}
.accordion-header:hover { background: rgba(0,200,255,0.04); }
.accordion-header .arrow {
  font-size: 0.75rem;
  color: var(--accent);
  transition: var(--transition);
}
.accordion-item.open .accordion-header .arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.accordion-body-inner { padding: 0 24px 20px; color: var(--text-muted); font-size: 0.9rem; }
.accordion-item.open .accordion-body { max-height: 400px; }

/* ---------- Contact Form ---------- */
.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 48px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: 0.875rem; font-weight: 600; color: var(--text-light); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.9rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.12);
}
.form-group select option { background: #0d1f38; }
.form-group textarea { resize: vertical; min-height: 140px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--section-dark);
  border-top: 1px solid var(--card-border);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); margin-top: 16px; max-width: 300px; }
.footer-col h4 { font-size: 0.875rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.875rem; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Animated Gradient Border ---------- */
.glow-border {
  position: relative;
}
.glow-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  background: var(--gradient-accent);
  z-index: -1;
  opacity: 0.5;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .steps-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .split-section { grid-template-columns: 1fr; gap: 40px; }
  .split-section.reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; position: fixed; top: 72px; left: 0; right: 0; background: rgba(6,14,28,0.98); flex-direction: column; padding: 24px; gap: 4px; border-bottom: 1px solid var(--card-border); }
  .nav-menu.open { display: flex; }
  .hamburger { display: flex; }
  .nav-dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: rgba(255,255,255,0.03); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { gap: 32px; }
  .contact-form { padding: 28px; }
  .section-pad { padding: 64px 0; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .cta-btns { flex-direction: column; align-items: center; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--section-dark); }
::-webkit-scrollbar-thumb { background: rgba(0,200,255,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }