/* ET House - Современный дизайн сайта */

:root {
  --primary-dark: #1a1a1a;
  --secondary-dark: #2d2d2d;
  --accent-orange: #ff6b35;
  --accent-orange-hover: #ff8c5a;
  --text-light: #ffffff;
  --text-gray: #b0b0b0;
  --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.3);
  --shadow-accent: 0 10px 40px rgba(255, 107, 53, 0.3);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', 'Roboto', sans-serif;
  background-color: var(--primary-dark);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 107, 53, 0.2);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(26, 26, 26, 0.98);
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
}

.logo-img {
  height: 60px;
  width: auto;
  transition: var(--transition);
}

.logo:hover .logo-img {
  transform: scale(1.05);
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 2px;
}

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

.nav {
  display: flex;
  gap: 40px;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  transition: var(--transition);
  padding: 8px 0;
}

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

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

.nav-link:hover {
  color: var(--accent-orange);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
  position: relative;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-light);
  transition: var(--transition);
  border-radius: 2px;
}

/* Mobile menu active state */
.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Overlay for mobile menu */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  transition: var(--transition);
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--secondary-dark);
    flex-direction: column;
    padding: 100px 30px 30px;
    gap: 20px;
    transition: var(--transition);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    border-left: 1px solid rgba(255, 107, 53, 0.2);
    z-index: 1000;
  }

  .nav.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-link::after {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(45, 45, 45, 0.8) 100%),
    url('images/photo_5361922573916116531_y.jpg') center/cover no-repeat;
  padding: 120px 30px 60px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1200px;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
  animation: fadeInUp 1s ease;
}

.hero-title span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-gray);
  margin-bottom: 40px;
  font-weight: 300;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-bottom: 50px;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  padding: 15px 25px;
  border-radius: 50px;
  border: 1px solid rgba(255, 107, 53, 0.3);
  backdrop-filter: blur(10px);
}

.hero-feature-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-feature-icon img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.hero-feature-text {
  font-weight: 500;
  font-size: 0.95rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  animation: fadeInUp 1s ease 0.6s both;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 40px;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--text-light);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--accent-orange);
}

.btn-secondary:hover {
  background: var(--accent-orange);
  color: var(--text-light);
  transform: translateY(-3px);
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 30px;
  position: relative;
}

.section-dark {
  background: var(--primary-dark);
}

.section-gray {
  background: var(--secondary-dark);
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.section-title span {
  color: var(--accent-orange);
}

.section-subtitle {
  text-align: center;
  color: var(--text-gray);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 60px;
  line-height: 1.8;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--secondary-dark);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-accent);
  border-color: rgba(255, 107, 53, 0.3);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: rgba(255, 107, 53, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-accent);
}

.service-icon img {
  width: 40px;
  height: 40px;
}

.service-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-light);
}

.service-text {
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 25px;
}

.service-link {
  color: var(--accent-orange);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.service-link:hover {
  gap: 15px;
  color: var(--accent-orange-hover);
}

/* ===== ABOUT ===== */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.about-img-wrapper {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  height: 250px;
}

.about-img-wrapper:nth-child(1) {
  grid-row: span 2;
  height: 520px;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.about-img-wrapper:hover .about-img {
  transform: scale(1.1);
}

.about-content h3 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 25px;
}

.about-content h3 span {
  color: var(--accent-orange);
}

.about-content p {
  color: var(--text-gray);
  line-height: 1.9;
  margin-bottom: 30px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat {
  text-align: center;
  padding: 25px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 15px;
  border: 1px solid rgba(255, 107, 53, 0.2);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-orange);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-gray);
  margin-top: 5px;
  display: block;
}

/* ===== ADVANTAGES ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.advantage-card {
  background: var(--secondary-dark);
  padding: 35px;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.advantage-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 107, 53, 0.3);
  box-shadow: var(--shadow-soft);
}

.advantage-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon img {
  width: 35px;
  height: 35px;
  filter: brightness(0) invert(1);
}

.advantage-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.advantage-text {
  color: var(--text-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== CONTACTS ===== */
.contacts-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 25px;
  background: var(--secondary-dark);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: rgba(255, 107, 53, 0.3);
  transform: translateX(10px);
}

.contact-item-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon img {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

.contact-item-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-item-content p {
  color: var(--text-gray);
  line-height: 1.6;
}

.contact-form {
  background: var(--secondary-dark);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form h4 {
  font-size: 1.5rem;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
  color: var(--text-light);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: var(--text-light);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.2);
}

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

/* ===== FOOTER ===== */
.footer {
  background: #0d0d0d;
  padding: 60px 30px 30px;
  border-top: 1px solid rgba(255, 107, 53, 0.2);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.footer-logo img {
  height: 50px;
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
}

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

.footer-desc {
  color: var(--text-gray);
  line-height: 1.8;
}

.footer-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-light);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-gray);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-orange);
  padding-left: 5px;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about {
    grid-template-columns: 1fr;
  }

  .about-images {
    order: -1;
  }

  .contacts-wrapper {
    grid-template-columns: 1fr;
  }

  .story-section {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

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

@media (max-width: 768px) {
  .hero-features {
    flex-direction: column;
    align-items: center;
  }

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

  .section {
    padding: 60px 20px;
  }

  .page-hero {
    padding: 140px 20px 60px;
  }

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

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

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

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

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

  .header-container {
    padding: 15px 20px;
  }

  .logo-img {
    height: 45px;
  }

  .logo-text {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

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

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

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

  .about-img-wrapper:nth-child(1) {
    grid-row: span 1;
    height: 250px;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-logo {
    justify-content: center;
  }

  .contact-form-container {
    padding: 25px;
  }

  .working-hours {
    padding: 25px;
  }
}