/* ===== BASE STYLES ===== */
:root {
  --primary: #1a2a3a;
  --secondary: #00a8e8;
  --accent: #ff6b35;
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
  --success: #28a745;
  --font-main: 'Poppins', sans-serif;
  --font-alt: 'Open Sans', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--dark);
  line-height: 1.6;
  background-color: var(--light);
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--secondary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 3rem;
  font-weight: 400;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  width: 100%;
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo {
  height: 40px;
  width: auto;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.brand-name span {
  color: var(--secondary);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  outline: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--secondary);
  color: white;
  box-shadow: 0 4px 15px rgba(0,168,232,0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,168,232,0.4);
  background: #0095d6;
}

.btn-outline {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
}

.btn-outline:hover {
  background: var(--secondary);
  color: white;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: 
    linear-gradient(135deg, rgba(10, 40, 60, 0.9) 0%, rgba(5, 25, 40, 0.95) 100%),
    url('../images/PXL_20241009_220746645-EDIT.jpg') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 80px 20px 20px;
  margin: 0;
  box-sizing: border-box;
}

.hero-content {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  animation: fadeInUp 1s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-text {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  padding: 2rem;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,168,232,0.1);
  border-radius: 50%;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.service-card p {
  color: var(--gray);
  margin-bottom: 1.5rem;
}

.card-link {
  color: var(--secondary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition);
}

.card-link:hover {
  gap: 0.5rem;
  color: var(--primary);
}

/* ===== ABOUT PAGE ===== */
.about-hero {
  height: 60vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
              url('../images/about-bg.jpg') center/cover no-repeat;
  color: white;
  text-align: center;
  padding-top: 80px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.about-text p {
  margin-bottom: 1.2rem;
  color: var(--gray);
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* ===== CONTACT PAGE ===== */
.contact-hero {
  height: 50vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
              url('../images/contact-bg.jpg') center/cover no-repeat;
  color: white;
  text-align: center;
  padding-top: 80px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.contact-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.contact-form {
  background: white;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-family: var(--font-main);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0,168,232,0.2);
  outline: none;
}

/* ===== TEAM SECTION ===== */
.team {
  background-color: #f9fbfd;
  position: relative;
}

.team::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/PXL_20240322_075343484.NIGHT.jpg') center/cover no-repeat;
  opacity: 0.03;
  z-index: 0;
}

.team .container {
  position: relative;
  z-index: 1;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.team-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
  padding-bottom: 2rem;
  position: relative;
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.team-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: top;
  margin-bottom: 1.5rem;
  filter: grayscale(20%);
  transition: var(--transition);
}

.team-card:hover img {
  filter: grayscale(0%);
}

.team-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.team-card p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.team-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.team-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 168, 232, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.team-social a:hover {
  background: var(--secondary);
  transform: translateY(-3px);
}

.team-social img {
  width: 18px;
  height: 18px;
  filter: invert(48%) sepia(13%) saturate(1555%) hue-rotate(166deg) brightness(95%) contrast(101%);
  margin: 0;
}

.team-social a:hover img {
  filter: invert(100%) sepia(100%) saturate(0%) hue-rotate(288deg) brightness(102%) contrast(102%);
}

/* Декоративный элемент */
.team-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.team-card:hover::after {
  transform: scaleX(1);
}

/* Адаптивность */
@media (max-width: 768px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .team-card img {
    height: 220px;
  }
}

@media (max-width: 480px) {
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 350px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--primary);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.footer-logo img {
  height: 30px;
}

.footer-logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
}

.footer-logo-text span {
  color: var(--secondary);
}

.footer-about p {
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.footer-links h3,
.footer-contact h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.8rem;
}

.footer-links h3::after,
.footer-contact h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--secondary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--secondary);
  padding-left: 5px;
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .nav-list {
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  
  .hero {
    text-align: center;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .header-inner {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-list {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}