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

:root {
  --navy: #060d1a;
  --dark-blue: #0b1a2e;
  --card-bg: #0f2040;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-glow: rgba(37,99,235,0.15);
  --white: #ffffff;
  --gray-text: #94a3b8;
  --body-text: #cbd5e1;
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(37,99,235,0.25);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', sans-serif;
  background: var(--navy);
  color: var(--white);
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== NAVBAR ===== */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(6,13,26,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  padding: 0 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 60px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--gray-text);
  font-weight: 500;
  padding: 8px 15px;
  border-radius: 6px;
  transition: all 0.2s;
  font-size: 0.92rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: var(--accent-glow);
}

.nav-links .btn-demo {
  background: var(--accent);
  color: var(--white) !important;
  border-radius: 7px;
  padding: 8px 20px;
  margin-left: 6px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
}

.nav-links .btn-demo:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--accent-light);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
#home {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  padding: 110px 6% 80px;
  position: relative;
  overflow: hidden;
}

#home::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 65%);
  pointer-events: none;
}

#home::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 80px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content { flex: 1; max-width: 580px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(37,99,235,0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent-light);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.3px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 22px;
  letter-spacing: -0.8px;
}

.hero-content h1 span {
  background: linear-gradient(135deg, #3b82f6, #60a5fa, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.05rem;
  color: var(--body-text);
  line-height: 1.85;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  padding: 13px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  transition: all 0.25s;
  display: inline-block;
  box-shadow: 0 6px 22px rgba(37,99,235,0.4);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37,99,235,0.5);
}

.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.15);
  color: var(--white);
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  transition: all 0.25s;
  display: inline-block;
}

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

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hstat strong {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
}

.hstat span {
  font-size: 0.78rem;
  color: var(--gray-text);
  font-weight: 500;
}

.hstat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero Visual */
.hero-img {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual {
  position: relative;
  width: 320px;
  height: 340px;
}

.hv-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  position: absolute;
  transition: transform 0.3s;
}

.hv-main {
  width: 260px;
  padding: 32px 28px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  z-index: 2;
}

.hv-main::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  border-radius: 18px 18px 0 0;
}

.hv-icon { font-size: 2.8rem; margin-bottom: 14px; }

.hv-main h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.hv-main p {
  font-size: 0.82rem;
  color: var(--gray-text);
  line-height: 1.6;
}

.hv-tag {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 14px;
}

.hv-small {
  width: 130px;
  padding: 14px 16px;
  text-align: center;
  z-index: 3;
}

.hv-small p {
  font-size: 0.78rem;
  color: var(--gray-text);
  margin-top: 6px;
}

.hv-icon-sm { font-size: 1.4rem; }

.hv-top {
  top: 0;
  right: -10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.hv-bottom {
  bottom: 0;
  left: -10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

/* ===== SECTION COMMON ===== */
section { padding: 100px 6%; }

.section-title {
  text-align: center;
  margin-bottom: 64px;
}

.section-title h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: -0.4px;
}

.section-title h2 span {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--gray-text);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.8;
}

.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  border-radius: 2px;
  margin: 14px auto 18px;
}

/* ===== ABOUT ===== */
#about { background: var(--dark-blue); }

.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: stretch;
  max-width: 1100px;
  margin: 0 auto;
}

.about-img-wrap {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  position: relative;
}

.about-img-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  z-index: 1;
  transform: scaleX(0);
  transition: transform 0.3s;
}

.about-img-wrap:hover::before {
  transform: scaleX(1);
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-visual {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.about-stat {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.about-stat::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.about-stat:hover::after { transform: scaleX(1); }
.about-stat:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 14px 35px rgba(0,0,0,0.3);
}

.about-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat p {
  color: var(--gray-text);
  font-size: 0.83rem;
  margin-top: 5px;
  font-weight: 500;
}

.about-text { flex: 1; }

.about-label {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  color: var(--accent-light);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.about-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--white);
  letter-spacing: -0.3px;
}

.about-text h2 span {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text p {
  color: var(--body-text);
  line-height: 1.9;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.about-list { list-style: none; margin-top: 18px; }

.about-list li {
  padding: 10px 0;
  color: var(--body-text);
  font-size: 0.93rem;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.about-list li:last-child { border-bottom: none; }

.about-list li::before {
  content: '✓';
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  color: white;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(37,99,235,0.3);
}

/* ===== SERVICES ===== */
#services { background: var(--navy); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  transform: scaleX(0);
  transition: transform 0.35s;
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.service-icon {
  font-size: 1.8rem;
  width: 54px;
  height: 54px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}

.service-card p {
  color: var(--gray-text);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* ===== WHY US ===== */
#why { background: var(--dark-blue); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}

.why-card {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.3s;
  position: relative;
}

.why-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.why-num {
  font-size: 2.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(59,130,246,0.1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.why-card p {
  color: var(--gray-text);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* ===== CONTACT ===== */
#contact { background: var(--navy); }

.contact-inner {
  display: flex;
  gap: 60px;
  max-width: 1050px;
  margin: 0 auto;
  align-items: flex-start;
}

.contact-info { flex: 1; }

.contact-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--white);
  line-height: 1.3;
  letter-spacing: -0.3px;
}

.contact-info h3 span {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info p {
  color: var(--gray-text);
  line-height: 1.85;
  margin-bottom: 30px;
  font-size: 0.94rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.contact-item .ci-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item span {
  color: var(--body-text);
  font-size: 0.93rem;
}

.contact-form {
  flex: 1.2;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-text);
  margin-bottom: 7px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  background: var(--dark-blue);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.93rem;
  font-family: inherit;
  transition: all 0.2s;
  outline: none;
  color: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #334155; }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

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

.btn-submit {
  width: 100%;
  background: var(--accent);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-size: 0.97rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  font-family: inherit;
  box-shadow: 0 6px 22px rgba(37,99,235,0.4);
  letter-spacing: 0.3px;
}

.btn-submit:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37,99,235,0.5);
}

/* ===== FOOTER ===== */
footer {
  background: #03080f;
  border-top: 1px solid var(--border);
  padding: 60px 6% 30px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto 50px;
}

.footer-links-wrap {
  display: contents;
}

.footer-logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  margin-bottom: 18px;
  display: block;
}

.footer-brand p {
  color: var(--gray-text);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 22px;
  max-width: 280px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 36px;
  height: 36px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  transition: all 0.2s;
}

.social-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  transform: translateY(-2px);
}

.footer-links h4 {
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.footer-links a {
  display: block;
  color: var(--gray-text);
  text-decoration: none;
  font-size: 0.88rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom p {
  color: #334155;
  font-size: 0.83rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .hero-inner { flex-direction: column; gap: 50px; text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-inner { grid-template-columns: 1fr; }
  .about-img-wrap { min-height: 300px; }
  .contact-inner { flex-direction: column; }
  .hero-visual { width: 280px; height: 300px; }
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-inner {
    flex-direction: column;
  }
  .contact-info,
  .contact-form {
    width: 100%;
    flex: unset;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 80px; left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: #060d1a;
    flex-direction: column;
    padding: 20px 0;
    gap: 0;
    overflow-y: auto;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    padding: 18px 28px;
    border-radius: 0;
    width: 100%;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white) !important;
    border-bottom: 1px solid var(--border);
    display: block;
  }
  .nav-links a:hover,
  .nav-links a.active {
    background: var(--accent-glow);
    color: var(--accent-light) !important;
  }
  .hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  section { padding: 80px 4%; }
  .contact-form { padding: 26px 18px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-links-wrap { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .footer-links h4 { font-size: 0.8rem; }
  .footer-links a { font-size: 0.78rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .footer-links-wrap { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
}