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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #0a0e1a;
  color: #e0e0e0;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

/* NAV */
nav {
  background: #0d1225;
  border-bottom: 1px solid #1e2d4a;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.logo span {
  color: #3b82f6;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

nav ul a {
  color: #b0c0d8;
  font-size: 0.95rem;
  transition: color 0.2s;
}

nav ul a:hover,
nav ul a.active {
  color: #3b82f6;
}

.nav-cta {
  background: #3b82f6;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
}

.nav-cta:hover {
  background: #2563eb !important;
  color: #fff !important;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #e0e0e0;
  border-radius: 2px;
  transition: 0.3s;
}

/* HERO */
.hero {
  padding: 90px 40px;
  text-align: center;
  background: linear-gradient(180deg, #0d1225 0%, #0a0e1a 100%);
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero h1 span {
  color: #3b82f6;
}

.hero p {
  font-size: 1.1rem;
  color: #8899b0;
  max-width: 560px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BUTTONS */
.btn {
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
  display: inline-block;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: #3b82f6;
  color: #fff;
}

.btn-primary:hover {
  background: #2563eb;
}

.btn-outline {
  background: transparent;
  color: #3b82f6;
  border: 2px solid #3b82f6;
}

.btn-outline:hover {
  background: #3b82f6;
  color: #fff;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1da851;
}

/* SECTIONS */
section {
  padding: 70px 40px;
}

.section-title {
  text-align: center;
  font-size: 1.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.section-sub {
  text-align: center;
  color: #6b7c93;
  margin-bottom: 48px;
  font-size: 0.95rem;
}

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.card {
  background: #0d1225;
  border: 1px solid #1e2d4a;
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: #3b82f6;
  transform: translateY(-3px);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.88rem;
  color: #6b7c93;
}

/* STATS */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  padding: 50px 40px;
  background: #0d1225;
  border-top: 1px solid #1e2d4a;
  border-bottom: 1px solid #1e2d4a;
}

.stat h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #3b82f6;
}

.stat p {
  color: #6b7c93;
  font-size: 0.88rem;
  margin-top: 4px;
}

/* TECHNOLOGIES */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}

.tech-badge {
  background: #0d1225;
  border: 1px solid #1e2d4a;
  color: #b0c0d8;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* CONTACT FORM */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: #8899b0;
  font-size: 0.95rem;
}

.contact-item a {
  color: #8899b0;
}

.contact-item a:hover {
  color: #3b82f6;
}

.contact-icon {
  font-size: 1.2rem;
  width: 32px;
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

form input,
form textarea,
form select {
  background: #0d1225;
  border: 1px solid #1e2d4a;
  border-radius: 8px;
  padding: 12px 16px;
  color: #e0e0e0;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

form input:focus,
form textarea:focus,
form select:focus {
  border-color: #3b82f6;
}

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

form select option {
  background: #0d1225;
}

/* FOOTER */
footer {
  background: #0d1225;
  border-top: 1px solid #1e2d4a;
  text-align: center;
  padding: 28px 40px;
  color: #4a5568;
  font-size: 0.85rem;
}

footer a {
  color: #3b82f6;
}

/* FLOATING WHATSAPP */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #25d366;
  color: #fff;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 200;
  transition: transform 0.2s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

/* PAGE HERO (inner pages) */
.page-hero {
  background: #0d1225;
  border-bottom: 1px solid #1e2d4a;
  padding: 60px 40px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.page-hero p {
  color: #6b7c93;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  max-width: 1000px;
  margin: 0 auto;
  align-items: start;
}

.about-text h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.about-text p {
  color: #8899b0;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.vision-box {
  background: #0d1225;
  border: 1px solid #1e2d4a;
  border-left: 3px solid #3b82f6;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.vision-box h4 {
  color: #3b82f6;
  margin-bottom: 6px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.vision-box p {
  color: #8899b0;
  font-size: 0.9rem;
  margin: 0;
}

/* PORTFOLIO */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.portfolio-card {
  background: #0d1225;
  border: 1px solid #1e2d4a;
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.portfolio-card:hover {
  border-color: #3b82f6;
  transform: translateY(-3px);
}

.portfolio-thumb {
  background: linear-gradient(135deg, #1e2d4a, #0d1225);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.portfolio-card-body {
  padding: 20px;
}

.portfolio-card-body h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 6px;
}

.portfolio-card-body p {
  color: #6b7c93;
  font-size: 0.85rem;
}

.tag {
  display: inline-block;
  background: #1e2d4a;
  color: #3b82f6;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
  margin-top: 10px;
  margin-right: 6px;
}

/* SUCCESS MESSAGE */
.success-msg {
  background: #0d2d1a;
  border: 1px solid #25d366;
  color: #25d366;
  padding: 12px 16px;
  border-radius: 8px;
  display: none;
  font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #0d1225;
    border-bottom: 1px solid #1e2d4a;
    padding: 10px 0;
  }

  nav ul.open {
    display: flex;
  }

  nav ul li a {
    display: block;
    padding: 12px 40px;
  }

  .hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }

  section {
    padding: 50px 20px;
  }

  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    gap: 30px;
    padding: 40px 20px;
  }

  nav {
    padding: 0 20px;
  }

  .hero {
    padding: 60px 20px;
  }

  .page-hero {
    padding: 40px 20px;
  }
}