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

:root {
  --color-primary: #1a3d6d;
  --color-primary-dark: #0f2847;
  --color-accent: #f5a623;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #fff;
  --color-bg-alt: #f7f8fa;
  --color-border: #e0e0e0;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container: 1140px;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--color-accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-align: center;
}

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

.btn--small {
  padding: 10px 20px;
  font-size: 0.875rem;
}

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

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

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.header__logo {
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

.header__logo span {
  font-weight: 400;
  color: var(--color-text-light);
}

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

.header__nav ul {
  display: flex;
  gap: 32px;
}

.header__nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}

.header__nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* === Hero === */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: url('../images/3.webp') center/cover no-repeat;
  color: #fff;
  text-align: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 61, 109, 0.85) 0%, rgba(15, 40, 71, 0.9) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 36px;
}

/* === About === */
.about {
  padding: 80px 0;
}

.about h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-primary);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about__image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.about__image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.about__text p {
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.about__details {
  margin-top: 20px;
}

.about__details li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat {
  background: var(--color-bg-alt);
  padding: 24px;
  border-radius: var(--radius);
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 2rem;
  color: var(--color-primary);
}

.stat span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* === Services === */
.services {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.services h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-primary);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg);
  padding: 32px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.service-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* === Gallery === */
.gallery {
  padding: 80px 0;
}

.gallery h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-primary);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery__item {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.gallery__item img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

/* === Testimonials === */
.testimonials {
  padding: 80px 0;
}

.testimonials h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-primary);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.testimonial {
  background: var(--color-bg-alt);
  padding: 28px 24px;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.testimonial__stars {
  color: var(--color-accent);
  font-size: 1.125rem;
  letter-spacing: 2px;
}

.testimonial p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
  font-style: italic;
}

.testimonial footer {
  margin-top: auto;
}

.testimonial footer strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.testimonial footer span {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* === FAQ === */
.faq {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.faq h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-primary);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq__item summary {
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item[open] summary::after {
  content: "\2212";
}

.faq__item summary:hover {
  color: var(--color-primary);
}

.faq__item p {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* === Contact === */
.contact {
  padding: 80px 0;
}

.contact h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-primary);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact__info h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.contact__info address {
  font-style: normal;
  color: var(--color-text-light);
  line-height: 1.8;
}

.contact__info address p {
  margin-bottom: 12px;
}

.contact__reg {
  margin-top: 20px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition);
  resize: vertical;
}

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

/* === Footer === */
.footer {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 24px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer p {
  font-size: 0.8125rem;
  opacity: 0.8;
}

.footer__links {
  display: flex;
  gap: 20px;
}

.footer__links a {
  font-size: 0.8125rem;
  color: #fff;
  opacity: 0.8;
}

.footer__links a:hover {
  opacity: 1;
  color: var(--color-accent);
}

/* === Cookie Banner === */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.cookie-banner__inner p {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* === Responsive === */
@media (max-width: 992px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .header__burger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 20px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    z-index: 99;
  }

  .header__nav.is-open {
    transform: translateY(0);
  }

  .header__nav ul {
    flex-direction: column;
    gap: 16px;
  }

  .hero {
    padding: 130px 0 70px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .about__grid,
  .contact__grid,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

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

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

  .gallery__item img {
    height: 220px;
  }

  .about__image img {
    height: 220px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .cookie-banner__inner {
    flex-direction: column;
    text-align: center;
  }

  .cookie-banner__actions {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

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

  .about h2,
  .services h2,
  .gallery h2,
  .testimonials h2,
  .faq h2,
  .contact h2 {
    font-size: 1.5rem;
  }
}