:root {
  --primary-dark: #22252a;
  --primary-dark-2: #17191d;
  --light-surface: #f4f5f7;
  --accent-yellow: #ffb703;
  --text-dark: #111111;
  --text-muted: #5f6670;
  --text-light: #ffffff;
  --border: #dde1e6;
  --shadow: 0 20px 50px rgba(17, 17, 17, 0.12);
  --radius: 8px;
  --container: 1180px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--text-dark);
  background: #ffffff;
  font-family: "Roboto", Arial, sans-serif;
  line-height: 1.65;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  line-height: 1.12;
  letter-spacing: 0;
}

p {
  margin: 0;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: var(--text-light);
  background: var(--primary-dark);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(34, 37, 42, 0.94);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(12px);
}

.navbar {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-family: "Montserrat", Arial, sans-serif;
  font-weight: 800;
}

.logo span {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--primary-dark);
  background: var(--accent-yellow);
  border-radius: 6px;
}

.logo small {
  font-size: 0.84rem;
  letter-spacing: 0;
}

.menu-toggle {
  display: inline-flex;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-light);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  display: grid;
  max-height: 0;
  margin: 0;
  padding: 0 16px;
  overflow: hidden;
  list-style: none;
  background: var(--primary-dark);
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.nav-links.is-open {
  max-height: 430px;
  padding: 12px 16px 20px;
}

.nav-links a {
  display: block;
  padding: 12px 8px;
  color: var(--text-light);
  font-weight: 700;
  transition: color 0.2s ease;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  isolation: isolate;
  color: var(--text-light);
  background: url("../images/hero-bg.jpg") center / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(17, 17, 17, 0.88), rgba(17, 17, 17, 0.52));
}

.hero-content {
  padding-block: calc(var(--header-height) + 40px) 72px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent-yellow);
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  font-size: clamp(2.35rem, 8vw, 4.95rem);
}

.hero-copy {
  max-width: 780px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.05rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 12px 20px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--primary-dark);
  background: var(--accent-yellow);
  box-shadow: 0 12px 28px rgba(255, 183, 3, 0.25);
}

.btn-secondary {
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.btn-secondary.dark {
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-whatsapp {
  color: #ffffff;
  background: #168c4a;
}

.section {
  padding-block: 82px;
}

.about-section,
.industries-section,
.contact-section {
  background: var(--light-surface);
}

.two-column,
.contact-layout {
  display: grid;
  gap: 36px;
}

.section-copy h2,
.section-heading h2 {
  font-size: clamp(1.9rem, 5vw, 3.25rem);
}

.section-copy p:not(.eyebrow),
.section-heading p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 18px;
  color: var(--text-muted);
}

.image-card-grid {
  display: grid;
  gap: 16px;
}

.image-card,
.product-card,
.feature-card,
.contact-panel,
.inquiry-form {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.image-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.image-card img,
.product-card img,
.gallery-grid img {
  height: 100%;
  object-fit: cover;
}

.image-card span {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 8px 12px;
  color: var(--primary-dark);
  background: var(--accent-yellow);
  border-radius: 5px;
  font-weight: 800;
}

.section-heading {
  margin-bottom: 34px;
}

.product-grid,
.feature-grid,
.industry-grid,
.gallery-grid,
.faq-grid {
  display: grid;
  gap: 18px;
}

.product-card {
  overflow: hidden;
}

.product-card img {
  aspect-ratio: 16 / 10;
}

.product-body {
  padding: 24px;
}

.product-body h3,
.feature-card h3,
.contact-panel h3 {
  font-size: 1.3rem;
}

.product-body p,
.feature-card p,
.contact-panel p,
.site-footer p {
  margin-top: 12px;
  color: var(--text-muted);
}

.product-body ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.product-body li {
  position: relative;
  padding-left: 24px;
  color: var(--text-muted);
}

.product-body li::before {
  position: absolute;
  left: 0;
  color: var(--accent-yellow);
  content: "■";
  font-size: 0.78rem;
}

.text-btn {
  display: inline-flex;
  color: var(--primary-dark);
  font-weight: 800;
  border-bottom: 2px solid var(--accent-yellow);
}

.why-section {
  color: var(--text-light);
  background: var(--primary-dark);
}

.why-section .section-heading p:not(.eyebrow),
.why-section .feature-card p {
  color: rgba(255, 255, 255, 0.72);
}

.feature-card {
  padding: 24px;
  color: var(--text-light);
  background: var(--primary-dark-2);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 183, 3, 0.65);
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 18px;
  color: var(--primary-dark);
  background: var(--accent-yellow);
  border-radius: 6px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.industry-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.industry-grid span {
  display: grid;
  min-height: 82px;
  place-items: center;
  padding: 18px;
  text-align: center;
  color: var(--primary-dark);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 800;
}

.gallery-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-grid figure {
  aspect-ratio: 1 / 1;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--light-surface);
}

.gallery-grid img {
  transition: transform 0.35s ease;
}

.gallery-grid figure:hover img {
  transform: scale(1.08);
}

.faq-section {
  background: #ffffff;
}

.faq-grid {
  align-items: start;
}

.faq-item {
  padding: 24px;
  border-left: 4px solid var(--accent-yellow);
  border-radius: var(--radius);
  background: var(--light-surface);
}

.faq-item h3 {
  font-size: 1.08rem;
}

.faq-item p {
  margin-top: 10px;
  color: var(--text-muted);
}

.contact-panel,
.inquiry-form {
  padding: 24px;
}

.contact-panel .role {
  color: var(--accent-yellow);
  font-weight: 800;
}

.contact-block {
  display: grid;
  gap: 5px;
  margin-top: 24px;
}

.contact-block strong {
  font-family: "Montserrat", Arial, sans-serif;
}

address {
  color: var(--text-muted);
  font-style: normal;
}

.inquiry-form {
  display: grid;
  gap: 16px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: var(--primary-dark);
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--text-dark);
  background: #ffffff;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: 3px solid rgba(255, 183, 3, 0.28);
  border-color: var(--accent-yellow);
}

.form-status {
  min-height: 24px;
  color: var(--text-muted);
  font-weight: 700;
}

.site-footer {
  color: var(--text-light);
  background: var(--primary-dark-2);
}

.footer-grid {
  display: grid;
  gap: 28px;
  padding-block: 54px;
}

.footer-grid h2,
.footer-grid h3 {
  margin-bottom: 12px;
}

.footer-grid a {
  display: block;
  width: fit-content;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.76);
}

.footer-grid a:hover {
  color: var(--accent-yellow);
}

.site-footer p {
  color: rgba(255, 255, 255, 0.68);
}

.footer-bottom {
  padding: 18px 16px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 640px) {
  .container {
    width: min(100% - 48px, var(--container));
  }

  .product-grid,
  .feature-grid,
  .gallery-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inquiry-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .full-field {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    max-height: none;
    align-items: center;
    gap: 20px;
    padding: 0;
    overflow: visible;
    background: transparent;
  }

  .nav-links a {
    padding: 8px 0;
    font-size: 0.94rem;
  }

  .hero-copy {
    font-size: 1.16rem;
  }

  .two-column,
  .contact-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .image-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .image-card-wide {
    grid-column: 1 / -1;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .industry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.3fr 0.8fr 1fr;
  }
}

@media (min-width: 1120px) {
  .section {
    padding-block: 104px;
  }

  .hero-content {
    padding-block: calc(var(--header-height) + 78px) 90px;
  }
}