/* ====================================
   TIKOMED - Стоматологическая клиника
   Основные стили
   ==================================== */

:root {
  --primary-orange: #FF6B35;
  --primary-dark: #2C3E50;
  --text-dark: #333333;
  --text-light: #666666;
  --bg-light: #F8F9FA;
  --white: #FFFFFF;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all 0.3s ease;
}

/* ====================================
   HEADER & NAVIGATION
   ==================================== */

.header {
  background: var(--white);
  box-shadow: 0 2px 10px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-orange);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-light);
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  color: var(--text-dark);
  font-weight: 500;
  position: relative;
}

.nav a:hover {
  color: var(--primary-orange);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-orange);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  font-size: 1.5rem;
  color: var(--primary-orange);
}

/* ====================================
   BUTTONS
   ==================================== */

.btn {
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
}

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

.btn-primary:hover {
  background: #E85A2A;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-orange);
  border: 2px solid var(--primary-orange);
}

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

/* ====================================
   HERO SECTION
   ==================================== */

.hero {
  background: linear-gradient(135deg, var(--primary-orange) 0%, #FF8C5A 100%);
  color: var(--white);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,50 Q300,100 600,50 T1200,50 L1200,0 L0,0 Z" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: cover;
  opacity: 0.1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ====================================
   SECTIONS
   ==================================== */

.section {
  padding: 5rem 2rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-dark);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 700px;
  margin: -2rem auto 3rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ====================================
   FEATURES / BENEFITS
   ==================================== */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px var(--shadow-hover);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

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

.feature-card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* ====================================
   TEAM / SPECIALISTS
   ==================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-member {
  background: var(--white);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px var(--shadow);
  transition: transform 0.3s ease;
}

.team-member:hover {
  transform: translateY(-5px);
}

.team-member-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: var(--bg-light);
}

.team-member-info {
  padding: 1.5rem;
}

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

.team-member-info p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ====================================
   TESTIMONIALS / REVIEWS
   ==================================== */

.testimonials {
  background: var(--bg-light);
}

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

.testimonial-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 3px 15px var(--shadow);
  position: relative;
}

.testimonial-stars {
  color: #FFB800;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-orange);
}

/* ====================================
   CONTACT FORM
   ==================================== */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 5px 30px var(--shadow);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

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

.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--primary-orange);
  color: var(--white);
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-submit:hover {
  background: #E85A2A;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

.form-privacy {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 1rem;
  text-align: center;
}

/* ====================================
   FOOTER
   ==================================== */

.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: 3rem 2rem 1.5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--primary-orange);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  line-height: 2;
}

.footer-section a:hover {
  color: var(--primary-orange);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-legal {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal p {
  margin: 0.3rem 0;
  font-size: 0.85rem;
}

/* ====================================
   SCROLL TO TOP BUTTON
   ==================================== */

.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-orange);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 5px 15px var(--shadow);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: #E85A2A;
  transform: translateY(-5px);
}

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */

@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 1rem;
    padding: 1rem 0;
  }
  
  .nav.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features,
  .team-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 1rem;
  }
  
  .hero {
    padding: 3rem 1rem;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
  }
}