/* =============================================
   HIWIN TECHNOLOGIES INC. — Main Stylesheet v2
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --bg: #0a0a0f;
  --bg-alt: #0d0d18;
  --bg-card: #111122;
  --bg-card-hover: #16162f;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #475569;
  --border: #1e293b;
  --glow-blue: rgba(37,99,235,0.15);
  --glow-cyan: rgba(6,182,212,0.1);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--primary); color: white; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ===== Particle Canvas ===== */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0; width: 100%;
  z-index: 1000;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
}

.logo-icon {
  color: var(--primary-light);
  font-size: 1.4rem;
  font-weight: 800;
}

.logo-light {
  font-weight: 400;
  color: var(--text-dim);
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--primary-light);
  transition: 0.3s ease;
  transform: translateX(-50%);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--primary-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  transition: 0.3s ease;
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 60px;
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black, transparent 70%);
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px; height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(37,99,235,0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(37,99,235,0); }
}

.hero-title {
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  display: block;
  font-size: 5.5rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -3px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .text-block {
  display: block;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
}

.hero-title .text-muted {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 3.5rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.glow-text {
  color: var(--text);
  position: relative;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 20px rgba(37,99,235,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,99,235,0.4);
}

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

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ===== Hero Metrics ===== */
.hero-metrics {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: rgba(17,17,34,0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px;
}

.metric-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}

.metric-plus {
  font-size: 1.4rem;
  color: var(--primary-light);
  font-weight: 600;
}

.metric-label {
  width: 100%;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.metric-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: bounce-scroll 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 16px; height: 16px;
  border-right: 1.5px solid var(--text-dim);
  border-bottom: 1.5px solid var(--text-dim);
  transform: rotate(45deg);
}

@keyframes bounce-scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Common ===== */
section { padding: 120px 0; position: relative; z-index: 1; }

.section-header { margin-bottom: 64px; }

.section-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--primary);
  opacity: 0.5;
  font-weight: 500;
  display: block;
  margin-bottom: 8px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary-light);
  display: block;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  color: var(--text-muted);
  max-width: 560px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== Services ===== */
.services { background: var(--bg-alt); }

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: 0.4s ease;
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 0%, var(--glow-blue), transparent 50%);
  opacity: 0;
  transition: 0.6s ease;
  pointer-events: none;
}

.service-card:hover {
  border-color: rgba(37,99,235,0.3);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

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

.card-icon {
  width: 44px; height: 44px;
  color: var(--primary-light);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.card-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(37,99,235,0.08);
  color: var(--primary-light);
  border: 1px solid rgba(37,99,235,0.15);
  position: relative;
  z-index: 1;
}

/* ===== About ===== */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.about-card-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--glow-blue), transparent 60%);
  pointer-events: none;
}

.about-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

.about-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.about-title h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.about-title p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.about-bio {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.about-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text);
  transition: 0.3s ease;
}

.about-item:hover {
  border-color: var(--primary);
  background: rgba(37,99,235,0.04);
}

.about-item-icon {
  color: var(--primary-light);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ===== Contact ===== */
.contact { background: var(--bg-alt); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: 0.3s ease;
}

.contact-card:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.contact-card-icon {
  width: 36px; height: 36px;
  color: var(--primary-light);
  margin-bottom: 12px;
}

.contact-card-icon svg { width: 100%; height: 100%; }

.contact-card h4 {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.contact-card a,
.contact-card p {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: 0.3s ease;
}

.contact-card a:hover { color: var(--primary-light); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: 0.3s ease;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.08);
}

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

.form-status {
  font-size: 0.9rem;
  text-align: center;
  min-height: 24px;
}
.form-status.success { color: #22c55e; }
.form-status.error { color: #ef4444; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  position: relative;
  z-index: 1;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--primary-light);
  font-weight: 600;
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.footer-nav {
  display: flex;
  gap: 28px;
}

.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

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

/* ===== Animations ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .hero-title .gradient-text { font-size: 3rem; }
  .hero-title .text-block { font-size: 2.2rem; }
  .hero-title .text-muted { font-size: 2rem; }
  
  .hero-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    width: 100%;
  }
  .metric-divider { display: none; }
  
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-card { padding: 28px; }
  .section-header h2 { font-size: 2rem; }
  
  .footer-main { flex-direction: column; gap: 24px; text-align: center; }
  
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(10,10,15,0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    transition: 0.4s ease;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.active { transform: translateY(0); }
  .nav-links a { font-size: 1rem; }
}

@media (max-width: 480px) {
  .hero-title .gradient-text { font-size: 2.4rem; }
  .hero-title .text-block { font-size: 1.8rem; }
  .hero-title .text-muted { font-size: 1.6rem; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}