body {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
}

.header {
  background: linear-gradient(135deg, rgba(31, 138, 112, 0.88), rgba(21, 91, 74, 0.82)),
    url('/img/logo-smirnov-soft.jpg') no-repeat center center/cover;
  color: white;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.header .container {
  position: relative;
  z-index: 2;
}

.header h1 {
  margin: 0;
  font-size: 3em;
  font-weight: 700;
  animation: fadeInDown 1s ease-in-out;
}

.header p {
  font-size: 1.5em;
  margin: 10px 0 30px;
  animation: fadeInUp 1s ease-in-out;
}

.header .btn {
  font-size: 1.2em;
  padding: 10px 20px;
  border-radius: 50px;
  transition: background-color 0.3s ease;
}

.header .btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.header .btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 10px;
  margin-bottom: 20px;
  color: var(--color-primary);
  font-weight: 700;
}

.skills .skill-item {
  background-color: var(--color-surface-variant);
  margin: 5px 0;
  padding: 12px 14px;
  border-radius: 6px;
  display: flex;
  align-items: flex-start;
}

.skills .skill-item i {
  margin-right: 10px;
  color: var(--color-primary);
  font-size: 1.2rem;
  line-height: 1.2;
  margin-top: 2px;
}

.project-card {
  margin-bottom: 20px;
  border: 1px solid var(--color-outline);
  border-radius: 14px;
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 10px 24px rgba(31, 138, 112, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 16px 30px rgba(31, 138, 112, 0.2);
}

.project-card .card-body {
  background: linear-gradient(180deg, var(--color-primary-container) 0%, var(--color-surface) 100%);
}

.project-card .card-title {
  color: var(--color-on-surface);
  font-family: 'Manrope', 'Inter', sans-serif;
  font-weight: 700;
}

.project-card .card-text,
.project-card .text-muted {
  color: var(--color-on-surface-variant) !important;
}

.project-card .btn-outline-secondary {
  background: var(--color-primary-container);
}

.project-card .carousel {
  background: linear-gradient(180deg, rgba(31, 138, 112, 0.16) 0%, rgba(12, 27, 24, 0.12) 100%);
}

.project-card .carousel-item {
  height: clamp(260px, 32vw, 420px);
}

.project-card .carousel-item img {
  height: calc(100% - 16px);
  max-height: calc(100% - 16px);
  max-width: calc(100% - 20px);
  width: auto !important;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  margin: 8px auto;
}

.project-card .carousel-control-prev,
.project-card .carousel-control-next {
  width: 64px;
  opacity: 0.95;
  transition: opacity 0.2s ease;
}

.project-card .carousel-control-prev-icon,
.project-card .carousel-control-next-icon {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 999px;
  background-size: 58% 58%;
  background-position: center;
  background-color: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(8, 26, 23, 0.2);
  box-shadow: 0 6px 16px rgba(6, 24, 20, 0.42);
}

.project-card .carousel-control-prev:hover .carousel-control-prev-icon,
.project-card .carousel-control-next:hover .carousel-control-next-icon {
  background-color: #ffffff;
}

.project-card .carousel-control-prev:hover,
.project-card .carousel-control-next:hover {
  opacity: 1;
}

.project-card .carousel-control-prev-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath d='M10.5 2.5 5 8l5.5 5.5' fill='none' stroke='%23081a17' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
}

.project-card .carousel-control-next-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath d='M5.5 2.5 11 8l-5.5 5.5' fill='none' stroke='%23081a17' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
}

.contact-form {
  border: 1px solid var(--color-outline);
  border-radius: 16px;
  padding: 20px;
  background: linear-gradient(180deg, var(--color-primary-container) 0%, var(--color-surface) 100%);
  box-shadow: 0 8px 20px rgba(31, 138, 112, 0.12);
}

.contact-form .form-label {
  color: var(--color-on-surface);
  font-weight: 600;
}

.contact-form .form-control {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline);
  border-radius: 12px;
  padding: 0.75rem 1rem;
}

.contact-form .form-control::placeholder {
  color: var(--color-on-surface-variant);
}

.contact-form .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem rgba(31, 138, 112, 0.24);
}

.contact-form textarea.form-control {
  min-height: 150px;
}

.contact-form button {
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  font-weight: 700;
}

.contact-form button:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.rustore-badge {
  display: inline-block;
  padding: 0;
  border: 0;
  background: none;
  line-height: 0;
  vertical-align: middle;
}

.rustore-badge img {
  height: 38px;
  width: auto;
  display: block;
}

.googleplay-badge img,
.rustore-badge img {
  transition: filter 0.25s ease, transform 0.2s ease;
}

.googleplay-badge:hover img,
.rustore-badge:hover img {
  filter: drop-shadow(0 0 10px rgba(31, 138, 112, 0.45));
  transform: translateY(-1px);
}

.googleplay-badge {
  display: inline-block;
  padding: 0;
  border: 0;
  background: none;
  line-height: 0;
  vertical-align: middle;
}

.googleplay-badge img {
  height: 56px;
  width: auto;
  display: block;
}

footer {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  padding: 40px 0;
  text-align: center;
}

footer .social-icons i {
  margin: 0 10px;
  color: #ffffff;
  transition: color 0.3s ease;
}

footer .social-icons i:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .project-card .carousel-item {
    height: 320px;
  }
}

footer .footer-policy-link {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255, 255, 255, 0.55);
}

footer .footer-policy-link:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}