/* 
 * Project: nobiq-field.blog
 * Theme: AI for everyone - Modern, Clean, Tech
 * Region: Italy (content: RU)
 */

:root {
  /* Colors */
  --pk-hue: 250;
  --pk-sat: 84%;
  --pk-lig: 65%;
  --primary: hsl(var(--pk-hue), var(--pk-sat), var(--pk-lig));
  --primary-dark: hsl(var(--pk-hue), var(--pk-sat), 55%);

  --sec-hue: 160;
  --sec-sat: 64%;
  --sec-lig: 48%;
  --accent: hsl(var(--sec-hue), var(--sec-sat), var(--sec-lig));

  --bg-dark: hsl(240, 10%, 10%);
  --bg-card: hsl(240, 10%, 15%);
  --bg-input: hsl(240, 10%, 20%);

  --text-main: hsl(0, 0%, 95%);
  --text-muted: hsl(240, 5%, 70%);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius: 12px;
  --transition: 0.3s ease;

  /* Layout */
  --container-width: 1280px;
  --header-height: 70px;
}

/* Base Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Sora', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 600px;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(116, 91, 237, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.mb-2 {
  margin-bottom: 2rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(26, 26, 29, 0.95);
  backdrop-filter: blur(10px);
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
}

.logo svg {
  width: 32px;
  height: 32px;
  fill: var(--primary);
}

/* Nav */
.nav-menu {
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: var(--transition);
  padding: 2rem;
}

.nav-menu.active {
  right: 0;
}

.nav-link {
  font-size: 1.5rem;
  font-weight: 500;
}

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

.burger {
  display: block;
  cursor: pointer;
  z-index: 1001;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: white;
  margin: 5px;
  transition: var(--transition);
}

.burger.toggle .line1 {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.burger.toggle .line2 {
  opacity: 0;
}

.burger.toggle .line3 {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(rgba(10, 10, 15, 0.7), rgba(10, 10, 15, 0.8)), url('images/hero-bg.jpg') center/cover no-repeat;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #fff, var(--text-muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

.feature-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.service-item {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  height: 300px;
  cursor: pointer;
}

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

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

.service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.service-overlay h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.review-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.review-info h4 {
  font-size: 1rem;
  margin: 0;
}

.review-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.review-text {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.95rem;
}

/* Contacts */
.contact-section {
  background: linear-gradient(to bottom, var(--bg-dark), #15151a);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-item i {
  color: var(--primary);
  font-size: 1.25rem;
  margin-top: 4px;
}

.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #fff;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #25252b;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.submit-btn {
  width: 100%;
  position: relative;
}

/* Footer */
.footer {
  background: #050505;
  padding: 60px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-title {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.modal-body {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.modal-body h3 {
  color: #fff;
  margin: 1.5rem 0 0.5rem;
}

.modal-body ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  width: 90%;
  max-width: 500px;
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--primary);
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  transition: var(--transition);
  opacity: 0;
}

.cookie-banner.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

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

/* Desktop Styles */
@media (min-width: 1024px) {
  .header-inner {
    padding: 0 4rem;
  }

  .burger {
    display: none;
  }

  .nav-menu {
    position: static;
    height: auto;
    width: auto;
    background: transparent;
    flex-direction: row;
    padding: 0;
  }

  .nav-link {
    font-size: 1rem;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Hidden Utility */
.hidden {
  display: none !important;
}