:root {
  --primary: #f97316;
  --secondary: #14b8a6;
  --accent: #818cf8;
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #1a1a25;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e293b;
  --gradient-1: linear-gradient(135deg, #22d3ee, #3b82f6);
  --gradient-2: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #0f172a 50%, #0a0a0f 100%);
  --shadow-glow: 0 0 30px rgba(249, 115, 22, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ NAVIGATION ============ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(10, 10, 15, 0.97);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.3px;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 10px 16px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-radius: 8px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); background: rgba(249, 115, 22, 0.08); }
.contact-btn {
  background: var(--gradient-1);
  color: #fff !important;
  font-weight: 600;
  margin-left: 8px;
  box-shadow: var(--shadow-glow);
}
.contact-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 140px 0 100px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249, 115, 22, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249, 115, 22, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
}
.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.18) 0%, transparent 60%);
  top: -150px;
  right: -150px;
  border-radius: 50%;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 760px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: 100px;
  background: rgba(249, 115, 22, 0.08);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero h1 .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 640px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); opacity: 0.92; }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* ============ SECTIONS ============ */
.section { padding: 100px 0; }
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.section-tag {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* ============ ABOUT SECTION (home) ============ */
.about-section { background: var(--bg-secondary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-grid h3 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}
.about-grid p { color: var(--text-secondary); margin-bottom: 16px; }
.about-features { margin-top: 28px; display: grid; gap: 14px; }
.about-features li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-secondary);
}
.about-features li::before {
  content: '\2713';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 6px; }

/* ============ SERVICES (home preview) ============ */
.services-section { background: var(--bg-primary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(249, 115, 22, 0.4); box-shadow: var(--shadow-glow); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* ============ APPROACH SECTION ============ */
.approach-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.approach-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  position: relative;
}
.approach-step .step-num {
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  margin-bottom: 12px;
}
.approach-step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.approach-step p { color: var(--text-secondary); font-size: 0.92rem; }

/* ============ CTA SECTION ============ */
.cta-section {
  background: var(--gradient-1);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  padding: 80px 0;
}
.cta-content h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 14px; color: #fff; }
.cta-content p { color: rgba(255,255,255,0.9); margin-bottom: 30px; font-size: 1.05rem; }
.cta-content .btn {
  background: #fff;
  color: #0f172a;
}
.cta-content .btn:hover { transform: translateY(-2px); }

/* ============ PAGE BANNER ============ */
.page-banner {
  position: relative;
  padding: 170px 0 80px;
  background: var(--gradient-hero);
  text-align: center;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249, 115, 22, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249, 115, 22, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000 40%, transparent 100%);
}
.page-banner h1 {
  position: relative;
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.page-banner p {
  position: relative;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 14px auto 0;
}

/* ============ CONTENT PAGES ============ */
.content-page { background: var(--bg-primary); padding: 90px 0; }
.content-container { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.content-section { margin-bottom: 60px; }
.content-section h2 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.content-section h2::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 60px; height: 2px;
  background: var(--gradient-1);
}
.content-section h3 { font-size: 1.15rem; font-weight: 700; margin: 22px 0 10px; color: var(--primary); }
.content-section p { color: var(--text-secondary); margin-bottom: 14px; }
.content-section ul { margin: 12px 0 16px; padding-left: 4px; }
.content-section ul li {
  color: var(--text-secondary);
  padding: 6px 0 6px 26px;
  position: relative;
}
.content-section ul li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.content-section strong { color: var(--text-primary); }
.updated-date {
  display: inline-block;
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.25);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  margin-bottom: 30px;
}

/* ============ SERVICE DETAIL PAGES ============ */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-detail-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-detail-card:hover { transform: translateY(-6px); border-color: rgba(249, 115, 22, 0.4); box-shadow: var(--shadow-glow); }
.service-detail-card:hover::before { transform: scaleX(1); }
.service-detail-card .service-icon {
  width: 52px; height: 52px;
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.service-detail-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.service-detail-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 14px; }
.service-detail-card ul { margin-top: 8px; }
.service-detail-card ul li {
  color: var(--text-secondary);
  font-size: 0.92rem;
  padding: 5px 0 5px 24px;
  position: relative;
}
.service-detail-card ul li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ============ TEAM PAGE ============ */
.team-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-page-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.team-page-card:hover { transform: translateY(-6px); border-color: rgba(249, 115, 22, 0.4); box-shadow: var(--shadow-glow); }
.team-page-card .avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 18px;
  box-shadow: var(--shadow-glow);
}
.team-page-card .role { color: var(--primary); font-size: 0.85rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.team-page-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.team-page-card .desc { color: var(--text-secondary); font-size: 0.92rem; }

/* ============ CONTACT PAGE ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}
.contact-info { display: grid; gap: 24px; align-content: start; }
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-info-card .contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-info-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.contact-info-card p, .contact-info-card a { color: var(--text-secondary); font-size: 0.95rem; display: block; }
.contact-info-card a:hover { color: var(--primary); }
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.contact-form > p { color: var(--text-secondary); margin-bottom: 26px; font-size: 0.95rem; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 10px;
  color: #4ade80;
  font-size: 0.95rem;
}

/* ============ FOOTER ============ */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 70px 0 0;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 18px;
  max-width: 300px;
}
.footer-links h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-links ul li { margin-bottom: 12px; }
.footer-links ul li a { color: var(--text-secondary); font-size: 0.93rem; }
.footer-links ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.88rem; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: var(--text-muted); font-size: 0.88rem; }
.footer-bottom-links a:hover { color: var(--primary); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .services-grid, .service-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .team-page-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2.7rem; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 40px;
    gap: 20px;
    border-left: 1px solid var(--border);
    transition: var(--transition);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.05rem; width: 100%; }
  .contact-btn { margin-left: 0; text-align: center; }
  .hero { padding: 120px 0 80px; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .section { padding: 70px 0; }
  .section-header h2 { font-size: 1.9rem; }
  .page-banner h1 { font-size: 2.1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-content h2 { font-size: 1.7rem; }
}

@media (max-width: 480px) {
  .services-grid, .service-detail-grid, .approach-grid, .team-page-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .footer-bottom { justify-content: center; text-align: center; }
  .contact-form { padding: 24px; }
}