@font-face {
  font-family: "Montserrat";
  src: url(../fonts/Montserrat-VariableFont_wght.ttf);
  font-display: swap;
}
:root {
  --primary: #1a365d;
  --accent: #f59e0b;
  --bg: #f7fafc;
  --text: #2d3748;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 12px rgba(0,0,0,0.06);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}
section {
  overflow: hidden;
}
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--primary);
  margin-bottom: 32px;
  text-align: center;
}

.btn {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s;
  cursor: pointer;
  border: none;
}

.btn--accent {
  background: var(--accent);
  color: #fff;
}

.btn--accent:hover {
  background: #d97706;
  transform: translateY(-2px);
}

.btn--block {
  display: block;
  width: 100%;
  text-align: center;
}

/* Header */
.header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 20px;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: #fff;
}

.logo img {
  border-radius: 50%;
}

.nav__list {
  display: flex;
  gap: 24px;
}

.nav__list a {
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.header__notice {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #2a4a6d 100%);
  padding: 40px 0;
  color: #fff;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.hero__text h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero__text p {
  font-size: 1.1rem;
  margin-bottom: 24px;
  max-width: 500px;
}

.hero__image img {
  border-radius: var(--radius);
  box-shadow: 0 12px 24px rgba(0,0,0,0.3);
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* Features */
.features {
  padding: 48px 0;
}

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

.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-card__icon {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.feature-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--primary);
}

/* About + gallery */
.about {
  padding: 48px 0;
  background: #ebf4ff;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.gallery__main {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.gallery__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.gallery__thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}

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

.about__text h2 {
  text-align: left;
}

.about__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--primary);
}

.about__list i {
  color: var(--accent);
}

/* Specs */
.specs {
  padding: 48px 0;
}

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

.spec-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
}

.spec-item i {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.spec-item__label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #718096;
  margin-bottom: 4px;
}

.spec-item__value {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary);
}

/* Use cases */
.use-cases {
  padding: 48px 0;
  background: linear-gradient(180deg, #f7fafc 0%, #ebf4ff 100%);
}

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

.case-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.case-card:hover {
  transform: translateY(-4px);
}

.case-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  margin: 12px 16px 4px;
}

.case-card p {
  margin: 0 16px 16px;
  font-size: 0.95rem;
}

/* Reviews */
.reviews {
  padding: 48px 0;
}

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

.review-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.review-card__icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.review-card__text {
  font-style: italic;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.review-card__author {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.85rem;
}

/* FAQ */
.faq {
  padding: 48px 0;
  background: #ebf4ff;
}

.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.faq-item__question {
  width: 100%;
  background: none;
  border: none;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
}

.faq-item__answer p {
  margin: 0 0 12px;
}

.faq-item.active .faq-item__answer {
  max-height: 200px;
  padding: 0 20px 16px;
}

.faq-item.active .fa-chevron-down {
  transform: rotate(180deg);
}

.fa-chevron-down {
  transition: transform 0.2s;
  color: var(--accent);
}

/* Order */
.order {
  padding: 48px 0;
}

.order__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.order__price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.order__note {
  margin-bottom: 20px;
  color: #4a5568;
}

.order__highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.highlight {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.highlight i {
  color: var(--accent);
}

.order__form {
  display: grid;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--primary);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="number"] {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

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

.form-group--checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.form-group--checkbox input {
  width: 18px;
  height: 18px;
}

/* Footer */
.footer {
  margin-top: auto;
  background: var(--primary);
  color: #fff;
  padding: 32px 0;
  font-size: 0.9rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer__logo a {
  justify-content: center;
}

.footer__contacts p,
.footer__disclaimer p {
  margin: 0;
  line-height: 1.6;
}

.footer__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: baseline;
}

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

.footer__legal a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s;
}

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

.footer__disclaimer {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  max-width: 800px;
}

.footer__copy {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 12px;
  font-size: 0.85rem;
  text-align: center;
  color: rgba(255,255,255,0.65);
}

/* Legal content pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.legal-content h1 {
  font-size: 2rem;
  font-family: 'Montserrat', sans-serif;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.legal-content h2 {
  font-size: 1.8rem;
}

.legal-content h3 {
  font-size: 1.4rem;
}

.legal-content p,
.legal-content li {
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 1rem 0;
}

/* Thanks page */
.thanks-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, #2a4a6d 100%);
  min-height: 60vh;
}

.thanks__content {
  text-align: center;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 48px 32px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  color: #fff;
}

.thanks__logo {
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #fff;
  padding: 8px;
}

.thanks__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  margin-bottom: 16px;
}

.thanks__message {
  font-size: 1.2rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary);
    flex-direction: column;
    display: none;
    padding: 12px 20px;
  }

  .nav.open {
    display: block;
  }

  .nav__list {
    flex-direction: column;
    gap: 8px;
  }

  .hamburger {
    display: block;
  }

  .header__notice {
    display: none;
  }

  .hero__grid,
  .about__grid,
  .order__grid {
    grid-template-columns: 1fr;
  }

  .features__grid,
  .specs__grid,
  .use-cases__grid {
    grid-template-columns: 1fr;
  }

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

  .footer__contacts {
    flex-direction: column;
    gap: 6px;
  }
  body {
    word-break: break-word;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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