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

:root {
  --color-primary: #0a1628;
  --color-white: #ffffff;
  --color-accent: #b8860b;
  --color-bg: #f8f9fa;
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: "Roboto", sans-serif;
  background: var(--color-white);
  color: var(--color-primary);
  overflow-x: hidden;
}

/* Top bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(10, 22, 40, 0.1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
}

.back-button {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
  color: var(--color-primary);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 400;
  transition: all 0.3s ease;
  padding: 10px 20px;
  border: 1px solid transparent;
}

.back-button::before {
  content: "←";
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.back-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.back-button:hover::before {
  transform: translateX(-5px);
}

.top-logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

.top-logo img {
  width: 40px;
  height: 40px;
}

.top-logo-text {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--color-primary);
}

.logo-accent {
  color: var(--color-accent);
}

/* Hero section */
.hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://images.pexels.com/photos/358319/pexels-photo-358319.jpeg")
    center/cover;
  opacity: 0.2;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 5%;
}

.hero-number {
  font-size: 1.5rem;
  color: var(--color-accent);
  font-weight: 100;
  letter-spacing: 8px;
  margin-bottom: 30px;
}

.hero-title {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 5rem;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 40px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 1px;
}

/* Services grid */
.services-section {
  padding: 120px 5%;
  background: var(--color-white);
}

.section-intro {
  max-width: 800px;
  margin: 0 auto 100px;
  text-align: center;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  font-weight: 400;
}

.section-title {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 30px;
  line-height: 1.2;
}

.section-description {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(10, 22, 40, 0.7);
  font-weight: 300;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(10, 22, 40, 0.1);
  max-width: 1600px;
  margin: 0 auto;
}

.service-card {
  background: var(--color-white);
  padding: 60px 50px;
  position: relative;
  overflow: hidden;
  transition: all 0.6s var(--transition);
  cursor: pointer;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--color-accent);
  transition: height 0.6s var(--transition);
}

.service-card:hover::before {
  height: 100%;
}

.service-card:hover {
  background: var(--color-bg);
  transform: translateY(-5px);
}

.card-number {
  font-size: 4rem;
  font-weight: 100;
  color: rgba(10, 22, 40, 0.05);
  line-height: 1;
  margin-bottom: -20px;
  transition: all 0.6s var(--transition);
}

.service-card:hover .card-number {
  color: rgba(184, 134, 11, 0.1);
  transform: translateX(10px);
}

.card-title {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  transition: all 0.4s ease;
}

.service-card:hover .card-title {
  color: var(--color-accent);
}

.card-description {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(10, 22, 40, 0.65);
  font-weight: 300;
  margin-bottom: 30px;
}

.card-features {
  margin-bottom: 30px;
}

.feature-item {
  font-size: 0.8rem;
  color: rgba(10, 22, 40, 0.6);
  font-weight: 300;
  margin-bottom: 10px;
  padding-left: 15px;
  position: relative;
}

.feature-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 1px;
  background: var(--color-accent);
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 400;
  border-bottom: 1px solid rgba(10, 22, 40, 0.2);
  padding-bottom: 5px;
  transition: all 0.4s ease;
}

.card-cta::after {
  content: "→";
  transition: transform 0.4s ease;
}

.service-card:hover .card-cta {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateX(5px);
}

.service-card:hover .card-cta::after {
  transform: translateX(5px);
}

/* CTA section */
.cta-section {
  padding: 120px 5%;
  background: var(--color-primary);
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-family: "Roboto Condensed", sans-serif;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 30px;
  line-height: 1.2;
}

.cta-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  margin-bottom: 50px;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 18px 45px;
  background: var(--color-accent);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 0.4s ease;
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-accent);
}

.btn-secondary {
  padding: 18px 45px;
  background: transparent;
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.4s ease;
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
}

/* Responsive */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 968px) {
  .top-bar {
    height: 70px;
    padding: 0 4%;
  }

  .hero {
    height: 60vh;
    min-height: 400px;
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .services-section {
    padding: 80px 4%;
  }

  .section-intro {
    margin-bottom: 60px;
  }

  .section-title {
    font-size: 2rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .service-card {
    padding: 50px 40px;
  }

  .cta-section {
    padding: 80px 4%;
  }

  .cta-title {
    font-size: 2.2rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .top-bar {
    height: 60px;
  }

  .back-button {
    font-size: 0.7rem;
    gap: 10px;
    padding: 8px 15px;
  }

  .top-logo-text {
    font-size: 1rem;
    letter-spacing: 2px;
  }

  .top-logo img {
    width: 35px;
    height: 35px;
  }

  .hero-number {
    font-size: 1.2rem;
    letter-spacing: 6px;
    margin-bottom: 20px;
  }

  .hero-title {
    font-size: 2.5rem;
    letter-spacing: 3px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .section-description {
    font-size: 0.95rem;
  }

  .service-card {
    padding: 40px 30px;
  }

  .card-number {
    font-size: 3rem;
  }

  .card-title {
    font-size: 1.3rem;
  }

  .cta-title {
    font-size: 1.8rem;
  }

  .cta-text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .card-title {
    font-size: 1.2rem;
  }

  .cta-title {
    font-size: 1.5rem;
  }
}