@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/inter-var.woff2") format("woff2");
}

:root {
  --color-black: #0f1a17;
  --color-gray: #3d3b3a;
  --color-white: #e4f2f0;
  --color-blue: #1c7ad9;
  --color-blue-hover: #1565b8;
  --color-surface: #162420;
  --color-border: rgba(228, 242, 240, 0.1);
  --radius: 0.75rem;
  --transition: 0.3s ease;
  --max-width: 72rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-header {
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-blue);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin: 0.75rem 0 0;
  color: rgba(228, 242, 240, 0.7);
  max-width: 36rem;
}

/* Navigation */
.logo img {
  height: 6rem;
  width: 6rem;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-white);
}

.nav-toggle-bar {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.site-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: rgba(228, 242, 240, 0.85);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(28, 122, 217, 0.35);
}

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

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-animate {
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 0.8s ease forwards;
}

.hero-animate:nth-child(1) { animation-delay: 0.1s; }
.hero-animate:nth-child(2) { animation-delay: 0.25s; }
.hero-animate:nth-child(3) { animation-delay: 0.4s; }

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .animate-on-scroll,
  .hero-animate {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .btn-primary:hover {
    transform: none;
  }
}

/* About */
.about-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.about-content p {
  margin: 0 0 1rem;
  color: rgba(228, 242, 240, 0.85);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-blue);
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(228, 242, 240, 0.7);
}

/* Services */
.services-grid {
  display: grid;
  gap: 2rem;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: rgba(28, 122, 217, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.service-icon {
  width: 3rem;
  height: 3rem;
  background: rgba(28, 122, 217, 0.15);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-blue);
}

.service-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.375rem;
}

.service-card p {
  margin: 0 0 1rem;
  color: rgba(228, 242, 240, 0.75);
}

.service-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: rgba(228, 242, 240, 0.85);
  font-size: 0.9375rem;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--color-blue);
  border-radius: 50%;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  border-color: rgba(28, 122, 217, 0.3);
}

.portfolio-image {
  aspect-ratio: 16 / 10;
  width: 100%;
  background: linear-gradient(135deg, #1a2e28, #3d3b3a);
}

img.portfolio-image {
  object-fit: cover;
}

div.portfolio-image {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(228, 242, 240, 0.4);
  font-size: 0.875rem;
}

.portfolio-card--cta {
  display: flex;
  flex-direction: column;
  border-style: dashed;
  border-color: rgba(28, 122, 217, 0.35);
}

.portfolio-card--cta:hover {
  border-color: var(--color-blue);
  box-shadow: 0 12px 40px rgba(28, 122, 217, 0.12);
}

.portfolio-card--cta .portfolio-image {
  background: linear-gradient(135deg, rgba(28, 122, 217, 0.15), #1a2e28);
  color: var(--color-blue);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.portfolio-card--cta .portfolio-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.75rem;
}

.portfolio-card--cta .portfolio-body p {
  flex: 1;
  margin-bottom: 1.5rem;
}

.portfolio-card--cta .portfolio-body .btn {
  align-self: flex-start;
  margin-top: auto;
}

.portfolio-body {
  padding: 1.5rem;
}

.portfolio-body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.portfolio-body p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: rgba(228, 242, 240, 0.7);
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  background: rgba(28, 122, 217, 0.15);
  color: var(--color-blue);
  border-radius: 2rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 0;
}

.testimonial-card blockquote {
  margin: 0 0 1.25rem;
  font-size: 1.0625rem;
  font-style: italic;
  color: rgba(228, 242, 240, 0.9);
  line-height: 1.7;
}

.testimonial-card cite {
  font-style: normal;
  font-weight: 600;
  font-size: 0.9375rem;
}

.testimonial-role {
  display: block;
  font-weight: 400;
  font-size: 0.875rem;
  color: rgba(228, 242, 240, 0.6);
  margin-top: 0.25rem;
}

/* Contact */
.contact-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  gap: 3rem;
}

.contact-info h3 {
  margin: 0 0 1rem;
}

.contact-info p {
  margin: 0 0 1.5rem;
  color: rgba(228, 242, 240, 0.75);
}

.contact-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-links li {
  margin-bottom: 0.75rem;
}

.contact-form {
  display: grid;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-white);
  background: var(--color-black);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-message {
  padding: 0.875rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  display: none;
}

.form-message.is-success {
  display: block;
  background: rgba(28, 122, 217, 0.15);
  color: var(--color-blue);
  border: 1px solid rgba(28, 122, 217, 0.3);
}

.form-message.is-error {
  display: block;
  background: rgba(220, 53, 69, 0.15);
  color: #f8a5a5;
  border: 1px solid rgba(220, 53, 69, 0.3);
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(228, 242, 240, 0.6);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(228, 242, 240, 0.6);
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-blue);
}

/* Responsive */
@media (min-width: 640px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 2fr 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1.5fr;
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(18rem, 85vw);
    background: var(--color-black);
    border-left: 1px solid var(--color-border);
    padding: 5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }

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

  .nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}