:root {
  --primary: #0b2340;
  --primary-2: #12315b;
  --accent: #0ea5e9;
  --accent-2: #38bdf8;
  --text: #1f2a44;
  --muted: #5b6474;
  --white: #ffffff;
  --light: #f5f8ff;
  --border: #d9e4fb;
  --success: #15803d;
  --error: #b91c1c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.top-strip {
  background: linear-gradient(135deg, #0f2747, #12315b);
  color: var(--white);
  font-size: 0.88rem;
}

.top-strip-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  flex-wrap: wrap;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(9, 22, 44, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(4, 11, 26, 0.18);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 800;
}

.brand-logo {
  width: 46px;
  height: 46px;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,0.2);
  background: transparent;
  color: var(--white);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  margin: 3px 0;
}

.nav-links a {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--accent-2);
}

.hero-section {
  position: relative;
}

.slider {
  position: relative;
  min-height: 620px;
}

.slide-content {
  width: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.slide.active {
  opacity: 1;
}

.slide-content {
  color: var(--white);
  max-width: 640px;
  padding: 80px 0;
}

.badge,
.section-label {
  display: inline-block;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 800;
}

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
}

.section-label {
  color: var(--accent);
}

.slide-content h1,
.page-banner h1 {
  margin: 0 0 14px;
  line-height: 1.15;
}

.slide-content h1 {
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.page-banner h1 {
  font-size: clamp(1.9rem, 3vw, 3rem);
}

.slide-content p,
.section p,
.card p,
.product-card p,
.contact-list,
.process-step {
  color: var(--muted);
}

.slide-content p {
  color: rgba(255,255,255,0.9);
  font-size: 1.04rem;
  max-width: 620px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  padding: 12px 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--white);
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(14, 165, 233, 0.25);
}

.btn-small {
  padding: 10px 18px;
  font-size: 0.92rem;
}

.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.dot {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 99px;
  background: rgba(255,255,255,0.6);
  cursor: pointer;
}

.dot.active {
  background: var(--white);
}

.section {
  padding: 88px 0;
}

.alt-bg {
  background: var(--light);
}

.page-banner {
  padding: 80px 0 40px;
  background: linear-gradient(135deg, #0f2747, #12355f 65%, #0ea5e9);
  color: var(--white);
}

.page-banner .section-label {
  color: #d9f5ff;
}

.page-banner h1 {
  color: var(--white);
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.image-card {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(11, 35, 64, 0.12);
}

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

.cards .card,
.product-card,
.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(11, 35, 64, 0.08);
}

.card h3,
.product-card h3 {
  margin-top: 0;
}

.product-card img {
  border-radius: 12px;
  margin-bottom: 16px;
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.process-step {
  padding: 18px;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  font-weight: 600;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.contact-list {
  padding-left: 18px;
}

.contact-list li {
  margin-bottom: 8px;
}

.contact-list i {
  margin-right: 8px;
  color: var(--accent);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 17, 34, 0.58);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-box {
  width: min(520px, 100%);
  background: var(--white);
  border-radius: 18px;
  padding: 30px;
  position: relative;
  box-shadow: 0 20px 60px rgba(6, 17, 34, 0.24);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: none;
  background: transparent;
  font-size: 1.9rem;
  cursor: pointer;
  color: var(--primary);
}

.modal-contact {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.modal-contact a {
  color: var(--primary-2);
  font-weight: 700;
}

.btn-link {
  width: 100%;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
}

.captcha-box {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(56, 189, 248, 0.12));
  border: 1px solid rgba(14, 165, 233, 0.35);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
}

.captcha-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 700;
  color: var(--primary);
}

.captcha-badge {
  background: var(--primary);
  color: var(--white);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.72rem;
}

.captcha-question {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--primary);
}

.form-message {
  min-height: 24px;
  font-size: 0.94rem;
  font-weight: 600;
}

.form-message.error {
  color: var(--error);
}

.form-message.success {
  color: var(--success);
}

.footer {
  background: linear-gradient(135deg, #081a31, #102a49);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  gap: 24px;
  padding: 38px 0 18px;
}

.footer-grid h3,
.footer-grid h4 {
  margin-top: 0;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a,
.social-links a {
  color: #dbeafe;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.16);
  padding: 14px 0 22px;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.4);
  z-index: 30;
}

@media (max-width: 1024px) {
  .nav-wrap {
    justify-content: space-between;
    padding: 12px 0;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    background: rgba(9, 22, 44, 0.98);
    border-radius: 14px;
    padding: 12px;
  }

  .nav-links.is-open {
    display: flex;
  }

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

  .two-col,
  .three-grid,
  .contact-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .slider {
    min-height: 540px;
  }
}

@media (max-width: 720px) {
  .top-strip-inner {
    justify-content: center;
  }

  .nav-wrap {
    gap: 14px;
    min-height: auto;
    padding: 10px 0;
  }

  .btn-small {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .slide-content {
    padding: 56px 0;
  }

  .slide-content h1 {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

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

  .social-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(1120px, calc(100% - 20px));
  }

  .brand {
    font-size: 1.2rem;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 0.9rem;
  }

  .slider {
    min-height: 500px;
  }

  .product-card img {
    height: 180px;
  }

  .captcha-head {
    flex-direction: column;
    align-items: flex-start;
  }
}