:root {
  --primary: #0f172a;
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --secondary: #334155;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --error: #ef4444;
  --border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --font-main: "Helvetica Neue", sans-serif;
}

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn--primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.3);
}

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

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

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

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

.btn--white {
  background: var(--surface);
  color: var(--accent);
}

.btn--full {
  width: 100%;
}

.btn--small {
  padding: 8px 16px;
  font-size: 0.9rem;
  background-color: var(--accent);
  color: white;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.logo img {
  width: 50px;
  height: 50px;
}

.nav__list {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav__link {
  text-decoration: none;
  color: var(--secondary);
  font-weight: 500;
  transition: color 0.3s;
  font-size: 0.95rem;
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent);
}

.nav__close {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  top: 20px;
  right: 20px;
}

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hero {
  position: relative;
  padding-top: 140px;
  padding-bottom: 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%);
  color: white;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    var(--accent) 0%,
    transparent 70%
  );
  opacity: 0.1;
  filter: blur(60px);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero__badge {
  display: inline-block;
  background: rgba(14, 165, 233, 0.2);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 24px;
  font-weight: 800;
}

.hero__text {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.9;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.section {
  padding: 80px 0;
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section__header h2 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__text p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--secondary);
}

.card-visual {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.large-icon {
  width: 80px;
  height: 80px;
  color: var(--accent);
}

.card-visual span {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card {
  background: white;
  padding: 30px;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: transform 0.3s;
}

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

.card__icon {
  background: #f0f9ff;
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 12px;
  color: var(--primary);
}

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

.center-cta {
  text-align: center;
  margin-top: 50px;
}

.survey-promo {
  background: var(--accent);
  color: white;
}

.promo-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.promo-content {
  flex: 1;
}

.promo-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.promo-content p {
  margin-bottom: 20px;
  opacity: 0.9;
}

.blog__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.blog__item {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.blog__img {
  height: 240px;
  background-color: var(--secondary);
}

.bg-1 {
  background-image: url("./images/abstract-still-life-universe-composition.jpg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.bg-2 {
  background-image: url("./images/bottom-view-ideaslight-bulb-notepad-yellow-black-markers-binder-clips-black-background\ \(1\).jpg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.blog__content {
  padding: 30px;
}

.blog__content h4 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.blog__content p {
  color: var(--text-light);
  margin-bottom: 20px;
}

.link-arrow {
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.region-lock {
  background: #f0fdf4;
  border-top: 1px solid #bbf7d0;
  border-bottom: 1px solid #bbf7d0;
  text-align: center;
}

.lock-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.lock-icon {
  width: 48px;
  height: 48px;
  color: #16a34a;
  margin-bottom: 20px;
}

.region-lock h2 {
  color: #14532d;
  margin-bottom: 20px;
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: white;
  margin-bottom: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq__question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--primary);
  background: white;
}

.faq__question i {
  transition: transform 0.3s;
}

.faq__item.active .faq__question i {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background: #f8fafc;
}

.faq__answer p {
  padding: 24px;
  color: var(--secondary);
  border-top: 1px solid var(--border);
}

.contact {
  background: white;
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact__info h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.contact__list {
  list-style: none;
  margin-top: 30px;
}

.contact__list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--secondary);
}

.contact__form-box {
  background: var(--bg);
  padding: 40px;
  border-radius: 20px;
}

.form__group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form__group label {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 0.9rem;
}

.form__group input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border 0.3s;
}

.form__group input:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-group {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-group input {
  margin-top: 5px;
}

.checkbox-label {
  font-size: 0.85rem;
  font-weight: 400 !important;
  white-space: nowrap;
}

.error-msg {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 5px;
  min-height: 1.2em;
}

.footer {
  background: var(--primary);
  color: #94a3b8;
  padding: 60px 0 20px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.logo--footer {
  color: white;
  margin-bottom: 20px;
}

.footer h4 {
  color: white;
  margin-bottom: 20px;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.3s;
}

.footer__links a:hover {
  color: white;
}

.footer__bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  font-size: 0.9rem;
}

.cookie-popup {
  position: fixed;
  bottom: -100px;
  left: 0;
  width: 100%;
  background: white;
  padding: 20px;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
  z-index: 2000;
  transition: bottom 0.5s ease;
  border-top: 4px solid var(--accent);
}

.cookie-popup.show {
  bottom: 0;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cookie-content p {
  font-size: 0.9rem;
  color: var(--secondary);
}

@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  .about__grid,
  .contact__wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .promo-box {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 890px) {
  .burger {
    display: block;
    color: var(--primary);
  }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: white;
    transition: right 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
  }
  .nav.open {
    right: 0;
  }
  .nav__list {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .nav__close {
    display: block;
    font-size: 2rem;
  }

  .grid-3,
  .blog__grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .hero__bg {
    width: 100%;
    opacity: 0.05;
  }
  .checkbox-label {
    white-space: normal;
  }

  .contact__form-box {
    padding: 25px;
  }
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}

.pages {
  padding: 120px 0;
}

.pages-wrap {
  max-width: 1000px;
  padding: 0 20px;
  margin: 0 auto 20px;
}

.pages h1 {
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 40px;
  text-align: center;
}

.text-wrapper {
  background: var(--primary);
  padding: 50px 40px;
  border-radius: 20px;
  line-height: 1.8;
}

.text-wrapper h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--bg);
  margin-top: 40px;
  margin-bottom: 15px;
  border-bottom: 2px solid rgba(99, 102, 241, 0.2);
  padding-bottom: 5px;
}

.text-wrapper h3 {
  color: var(--bg);
}

.text-wrapper p {
  color: var(--bg);
  margin-bottom: 20px;
}

.text-wrapper ul {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.text-wrapper ul li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 15px;
  color: var(--bg);
}

.text-wrapper ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  font-size: 20px;
  line-height: 1;
  color: var(--bg);
  top: 0;
}

.text-wrapper strong {
  color: var(--accent);
}

.text-wrapper a.email {
  color: var(--accent);
  text-decoration: underline;
  font-weight: 600;
}

@media (max-width: 768px) {
  .pages {
    padding: 100px 0 60px;
  }
  .pages h1 {
    font-size: 32px;
    margin-bottom: 30px;
  }
  .text-wrapper {
    padding: 30px 20px;
  }
  .text-wrapper h2 {
    font-size: 24px;
    margin-top: 30px;
  }
}

.text-wrapper ol {
  display: flex;
  flex-direction: column;
  padding: 20px;
  color: var(--bg);
}

.margin {
  margin: 120px 0 50px;
  color: var(--accent);
}