/* ============================================
   Haisoms Design System
   Neon Data Streams — Dark Theme
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg-dark: #000111;
  --bg-deep: #1A2744;
  --surface: #1E293B;
  --surface-hover: #263348;
  --primary: #00F5D4;
  --secondary: #00BBF9;
  --accent: #F5A623;
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border: rgba(255, 255, 255, 0.08);
  --glow-primary: rgba(0, 245, 212, 0.4);
  --glow-secondary: rgba(0, 187, 249, 0.3);
  --glow-accent: rgba(245, 166, 35, 0.3);
  --font-headline: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-label: 'Space Grotesk', sans-serif;
  --radius: 0px;
  --radius-lg: 0px;
  --transition: 200ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

p { margin: 0 0 1.25rem; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; height: auto; display: block; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: var(--bg-dark);
  box-shadow: 0 1px 0 var(--border);
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-brand img {
  height: 36px;
  width: auto;
}

.nav-tagline {
  font-family: var(--font-label);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: -2px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-label);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px var(--glow-primary);
  transition: width 300ms ease;
  border-radius: 1px;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform 300ms ease, opacity 300ms ease;
}

.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); }

/* Mobile nav panel */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--bg-dark);
  border-left: 1px solid var(--border);
  z-index: 49;
  padding: 5rem 2rem 2rem;
  transition: right 300ms ease;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu a {
  display: block;
  font-family: var(--font-label);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding-left var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--primary);
  padding-left: 0.5rem;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 48;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-label);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg-dark);
  box-shadow: 0 0 20px var(--glow-primary), 0 0 60px rgba(0, 245, 212, 0.1);
}

.btn-primary:hover {
  background: #33f7dd;
  color: var(--bg-dark);
  box-shadow: 0 0 30px var(--glow-primary), 0 0 80px rgba(0, 245, 212, 0.15);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 20px rgba(0, 245, 212, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: 0.5rem 0;
}

.btn-ghost:hover {
  color: var(--secondary);
}

.btn-ghost svg {
  transition: transform var(--transition);
}

.btn-ghost:hover svg {
  transform: translateX(4px);
}

/* --- Cards --- */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  border: 1px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(0, 245, 212, 0.2);
  box-shadow: 0 0 30px rgba(0, 245, 212, 0.05);
}

/* Card with wire accent */
.card-wire {
  overflow: hidden;
}

.card-wire::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  opacity: 0.5;
  transition: opacity var(--transition);
}

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

/* --- Section Styles --- */
.section {
  position: relative;
  overflow: hidden;
}

.section-label {
  font-family: var(--font-label);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.1875rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

/* --- Wire Divider (legacy) --- */
.wire-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  opacity: 0.3;
  margin: 3rem auto;
  max-width: 600px;
}

/* --- Neon Section Divider --- */
.neon-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  opacity: 0.5;
}

/* --- Neon Wire Backgrounds --- */

/* Hero convergence: wires flowing from edges toward right */
.wire-bg-hero {
  position: relative;
}

.wire-bg-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 75% 50%, rgba(0, 245, 212, 0.08), transparent),
    radial-gradient(ellipse 40% 60% at 85% 40%, rgba(0, 187, 249, 0.06), transparent),
    radial-gradient(ellipse 30% 30% at 70% 60%, rgba(245, 166, 35, 0.03), transparent),
    linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-deep) 50%, var(--bg-dark) 100%);
  z-index: 0;
}

/* Animated wire strands */
.wire-strand {
  position: absolute;
  height: 1px;
  border-radius: 1px;
  opacity: 0;
  animation: wireFlow 8s ease-in-out infinite;
}

.wire-strand--teal {
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  box-shadow: 0 0 6px var(--glow-primary);
}

.wire-strand--blue {
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
  box-shadow: 0 0 6px var(--glow-secondary);
}

.wire-strand--amber {
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow: 0 0 4px var(--glow-accent);
}

@keyframes wireFlow {
  0% { opacity: 0; transform: translateX(-100%) scaleX(0.3); }
  20% { opacity: 0.6; }
  50% { opacity: 0.8; transform: translateX(0) scaleX(1); }
  80% { opacity: 0.6; }
  100% { opacity: 0; transform: translateX(100%) scaleX(0.3); }
}

/* Convergence glow point */
.convergence-point {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 245, 212, 0.15), rgba(0, 187, 249, 0.05), transparent 70%);
  filter: blur(40px);
  animation: convergePulse 4s ease-in-out infinite;
}

@keyframes convergePulse {
  0%, 100% { opacity: 0.5; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* Tangled wires (problem section) */
.wire-bg-tangled::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 30% 30%, rgba(0, 245, 212, 0.04), transparent),
    radial-gradient(ellipse 60% 60% at 70% 70%, rgba(0, 187, 249, 0.04), transparent),
    linear-gradient(160deg, var(--bg-dark) 0%, #111827 100%);
  z-index: 0;
}

/* Mid-convergence (what we do section) */
.wire-bg-converging::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 60% 50%, rgba(0, 245, 212, 0.06), transparent),
    radial-gradient(ellipse 30% 50% at 40% 50%, rgba(0, 187, 249, 0.05), transparent),
    linear-gradient(180deg, var(--bg-dark), var(--bg-deep));
  z-index: 0;
}

/* Clean parallel streams (works/completed) */
.wire-bg-parallel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      180deg,
      transparent,
      transparent 120px,
      rgba(0, 245, 212, 0.02) 120px,
      rgba(0, 245, 212, 0.02) 121px
    ),
    linear-gradient(135deg, var(--bg-dark), var(--bg-deep));
  z-index: 0;
}

/* Single wire (about - personal, minimal) */
.wire-bg-single::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 20% 40% at 50% 50%, rgba(0, 245, 212, 0.08), transparent),
    linear-gradient(180deg, var(--bg-dark), var(--bg-deep));
  z-index: 0;
}

/* Reaching wires (contact - inviting) */
.wire-bg-reaching::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 40% at 50% 60%, rgba(0, 245, 212, 0.06), transparent),
    radial-gradient(ellipse 30% 30% at 50% 40%, rgba(245, 166, 35, 0.04), transparent),
    linear-gradient(180deg, var(--bg-dark), var(--bg-deep));
  z-index: 0;
}

/* Inside the stream (services - perspective depth) */
.wire-bg-inside::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 30% 80% at 65% 50%, rgba(0, 245, 212, 0.07), transparent),
    radial-gradient(ellipse 20% 60% at 55% 50%, rgba(0, 187, 249, 0.06), transparent),
    linear-gradient(100deg, var(--bg-dark) 0%, var(--bg-deep) 60%, var(--bg-dark) 100%);
  z-index: 0;
}

/* SVG wire animations for heroes */
.wire-svg {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.wire-svg path {
  fill: none;
  stroke-linecap: round;
}

.wire-path-teal {
  stroke: var(--primary);
  filter: drop-shadow(0 0 4px var(--glow-primary));
}

.wire-path-blue {
  stroke: var(--secondary);
  filter: drop-shadow(0 0 4px var(--glow-secondary));
}

.wire-path-amber {
  stroke: var(--accent);
  filter: drop-shadow(0 0 3px var(--glow-accent));
}

@keyframes wireDraw {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}

.wire-animate {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: wireDraw 3s ease-out forwards;
}

/* Particle dots along wires */
.wire-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 6px var(--glow-primary);
  animation: particleMove 6s linear infinite;
}

@keyframes particleMove {
  0% { transform: translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(var(--travel, 400px)); opacity: 0; }
}

/* --- Footer --- */
.footer {
  position: relative;
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--primary) 30%, var(--secondary) 70%, transparent 90%);
  opacity: 0.3;
}

/* Faint ghost wires in footer */
.footer-wires {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  opacity: 0.1;
  background:
    linear-gradient(170deg, transparent 40%, rgba(0, 245, 212, 0.3) 45%, transparent 50%),
    linear-gradient(175deg, transparent 55%, rgba(0, 187, 249, 0.2) 58%, transparent 61%);
  pointer-events: none;
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 245, 212, 0.1);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Stat / Proof Points --- */
.stat-value {
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}

.stat-label {
  font-family: var(--font-label);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* --- Tags --- */
.tag {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  background: rgba(0, 245, 212, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 245, 212, 0.15);
}

/* --- Process Step --- */
.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  font-family: var(--font-label);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(0, 245, 212, 0.1);
}

/* Step connector wire */
.step-connector {
  width: 2px;
  flex-grow: 1;
  min-height: 40px;
  background: linear-gradient(180deg, var(--primary), var(--secondary), transparent);
  opacity: 0.3;
  margin: 0 auto;
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  box-shadow: 0 0 8px var(--glow-primary);
  z-index: 100;
  width: 0;
  transition: width 50ms linear;
}

/* --- Utility --- */
.text-primary-color { color: var(--primary); }
.text-secondary-color { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-secondary); }
.bg-surface { background: var(--surface); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.relative { position: relative; }
.z-content { position: relative; z-index: 2; }

/* --- Image Placeholder --- */
.image-placeholder {
  background: var(--surface);
  border: 2px dashed rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-muted);
  font-family: var(--font-label);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.image-placeholder--landscape {
  aspect-ratio: 16 / 9;
  min-height: auto;
}

/* --- Testimonial Section --- */
.testimonial-section {
  background: transparent;
}

.testimonial-quote {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.25rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .container { padding: 0 1.25rem; }

  .section-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }
}

@media (min-width: 769px) {
  .mobile-menu,
  .mobile-overlay {
    display: none !important;
  }
}