/* ПЕРЕМЕННЫЕ ЦВЕТОВОЙ ПАЛИТРЫ */
:root {
  --primary: #6F00FF;
  --accent: #FFD8BE;
  --background: #1E1E1E;
  --text: #F8F8FF;
  --mint: #98FF98;
  --gradient: linear-gradient(135deg, var(--primary), var(--accent));
  --shadow: 0 10px 30px rgba(111, 0, 255, 0.3);
  --shadow-hover: 0 15px 40px rgba(111, 0, 255, 0.5);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

/* Add section anchor padding to position them higher */
section[id] {
  scroll-margin-top: 100px;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ТИПОГРАФИКА */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1 { font-size: 3.5rem; line-height: 1.2; }
h2 { font-size: 2.5rem; line-height: 1.3; }
h3 { font-size: 2rem; line-height: 1.4; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.1rem; }

p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  opacity: 0.9;
}

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

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

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* УТИЛИТЫ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.fade-in { animation: fadeInUp 0.8s ease-out; }
.fade-in-left { animation: fadeInLeft 0.8s ease-out; }
.fade-in-right { animation: fadeInRight 0.8s ease-out; }

/* КНОПКИ */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: var(--mint);
  color: var(--background);
  box-shadow: 0 5px 20px rgba(152, 255, 152, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(152, 255, 152, 0.5);
}

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

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

/* ХЕДЕР */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(30, 30, 30, 0.98);
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  text-transform: lowercase;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

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

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

/* МОБИЛЬНОЕ МЕНЮ */
.menu-toggle-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger {
  width: 25px;
  height: 3px;
  background: var(--text);
  transition: var(--transition);
}

.nav-overlay {
  display: none;
}

/* HERO СЕКЦИЯ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(111, 0, 255, 0.1), rgba(255, 216, 190, 0.1));
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.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 1000 1000"><polygon fill="%236F00FF" fill-opacity="0.05" points="0,1000 1000,1000 1000,0 200,0"/></svg>');
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  z-index: 1;
}

.hero-text {
  animation: fadeInLeft 1s ease-out;
}

.hero-image {
  animation: fadeInRight 1s ease-out;
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.hero-image img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  opacity: 0.8;
}

/* КАРТОЧКИ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.card:hover::before {
  transform: translateX(0);
}

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

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--background);
}

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

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 1rem;
  transition: var(--transition);
}

.form-select {
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%23F8F8FF" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 3rem;
  cursor: pointer;
}

.form-select option {
  background: var(--background);
  color: var(--text);
  padding: 0.5rem;
  border: none;
}

.form-select option:checked {
  background: var(--primary);
  color: var(--text);
}

.form-select::-ms-expand {
  display: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(111, 0, 255, 0.2);
}

.form-checkbox {
  margin-right: 0.5rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.checkbox-label {
  font-size: 0.9rem;
  line-height: 1.4;
}

/* FOOTER */
.footer {
  background: rgba(0, 0, 0, 0.3);
  padding: 3rem 0 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h4 {
  color: var(--accent);
  margin-bottom: 1rem;
}

.footer-link {
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
  display: block;
  margin-bottom: 0.5rem;
}

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

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

/* МЕДИА-ЗАПРОСЫ */

/* Экраны >= 1440px */
@media (min-width: 1440px) {
  .container {
    max-width: 1400px;
  }
  
  .hero-title {
    font-size: 5rem;
  }
  
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Экраны 1024px */
@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-content {
    gap: 2rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
}

/* Экраны 768px */
@media (max-width: 768px) {
  .hero {
    padding-top: 100px;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(30, 30, 30, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }
  
  .menu-toggle-checkbox:checked + .nav .nav-menu {
    transform: translateY(0);
    opacity: 1;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .menu-toggle-checkbox:checked + .nav .menu-toggle .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  
  .menu-toggle-checkbox:checked + .nav .menu-toggle .hamburger:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle-checkbox:checked + .nav .menu-toggle .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .nav-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
  }
  
  .menu-toggle-checkbox:checked ~ .nav-overlay {
    opacity: 1;
    visibility: visible;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-image {
    order: -1;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  iframe {
    height: 250px !important;
  }
}

/* Экраны 480px */
@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    padding-top: 120px;
    min-height: 90vh;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

/* ДОПОЛНИТЕЛЬНЫЕ АНИМАЦИИ ДЛЯ ИНТЕРАКТИВНОСТИ */
.floating {
  animation: float 3s ease-in-out infinite;
}

.pulse-on-hover:hover {
  animation: pulse 0.5s ease-in-out;
}

.gradient-bg {
  background: var(--gradient);
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

/* COOKIE POPUP СТИЛИ */
.cookie-popup {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  right: 2rem;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  z-index: 10000;
  opacity: 0;
  transform: translateY(100px);
  transition: var(--transition);
  max-width: 500px;
  margin: 0 auto;
}

.cookie-popup.show {
  opacity: 1;
  transform: translateY(0);
}

.cookie-popup p {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.cookie-accept {
  background: var(--mint);
  color: var(--background);
}

.cookie-decline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

@media (max-width: 480px) {
  .cookie-popup {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
  
  .cookie-buttons {
    flex-direction: column;
  }
  
  iframe {
    height: 200px !important;
  }
}