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

:root {
  --primary: #0f3b66;
  --primary-dark: #0a2b4a;
  --accent: #f28c28;
  --accent-dark: #d97312;
  --text: #1f2937;
  --muted: #667085;
  --bg: #ffffff;
  --soft: #f5f7fb;
  --border: #e5e7eb;
  --white: #ffffff;
  --dark: #0b1220;
  --success: #25d366;
  --shadow: 0 10px 30px rgba(15, 59, 102, 0.08);
  --shadow-lg: 0 20px 45px rgba(15, 59, 102, 0.12);
  --container: 1180px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

ul {
  list-style: none;
}

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

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo a {
  display: inline-flex;
  align-items: center;
}

.logo img {
  height: 52px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.main-nav a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  border: none;
  background: transparent;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  color: var(--primary);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 0 16px 16px;
  border-top: 1px solid var(--border);
  background: var(--white);
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid #f1f3f5;
  color: var(--text);
  font-weight: 500;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav.show {
  display: flex;
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.btn-primary:hover {
  background: var(--accent-dark);
}

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

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

.btn-whatsapp {
  background: var(--success);
  color: var(--white);
}

.btn-full {
  width: 100%;
}

/* mobile top video */
.mobile-top-video {
  display: none;
  width: 100%;
  line-height: 0;
  background: #000;
  overflow: hidden;
}

.mobile-top-video video {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 8.8;
  object-fit: cover;
  background: #000;
  border-radius: 0;
}

/* hero */
.hero {
  padding: 84px 0;
}

.hero-bg {
  background:
    linear-gradient(90deg, rgba(15, 59, 102, 0.72), rgba(15, 59, 102, 0.28)),
    url("../images/home/home-hero-factory-bg.jpg") center center / cover no-repeat;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
}


.hero-copy {
  max-width: 720px;
  background: rgba(255, 255, 255, 0.92);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.section-tag,
.light-tag {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-tag {
  color: var(--primary);
}

.light-tag {
  color: var(--white);
}

.hero-copy h1 {
  font-size: 54px;
  line-height: 1.08;
  color: var(--primary-dark);
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

.hero-copy p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0;
}

.hero-points {
  display: grid;
  gap: 10px;
}

.hero-points li {
  position: relative;
  padding-left: 20px;
  color: var(--text);
  font-size: 16px;
}

.hero-points li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 20px;
}

.hero-poster {
  display: block;
  width: 100%;
  overflow: hidden;
}

.hero-poster img {
  display: block;
  width: 100%;
  height: 620px;
  object-fit: cover;
  object-position: center center;
  box-shadow: none;
}


/* sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--soft);
}

.section-head {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: 36px;
  line-height: 1.2;
  color: var(--primary-dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
}

/* grids and cards */
.card-grid {
  display: grid;
  gap: 24px;
}

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

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

.info-card,
.app-card,
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.info-card,
.app-card {
  padding: 24px;
}

.info-card img,
.app-card img {
  width: 100%;
  display: block;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 16px;
}

.info-card img {
  aspect-ratio: 4 / 3;
}

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

.info-card h3,
.app-card h3 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 22px;
}

.info-card p,
.app-card p {
  color: var(--muted);
}

.info-card a {
  color: var(--accent);
  font-weight: 700;
}

/* advantages */
.advantage-showcase {
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.advantage-top {
  position: relative;
  min-height: 420px;
  overflow: hidden;
}

.advantage-bg-image {
  width: 100%;
  height: 100%;
  min-height: 420px;
  display: block;
  object-fit: cover;
}

.advantage-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.35), rgba(15, 23, 42, 0.58));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.advantage-stats-grid {
  width: 100%;
  max-width: 900px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px 40px;
}

.advantage-stat-item {
  text-align: center;
  color: #fff;
}

.adv-icon {
  font-size: 38px;
  line-height: 1;
  margin-bottom: 10px;
}

.advantage-stat-item strong {
  display: block;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 6px;
}

.advantage-stat-item span {
  display: block;
  font-size: 18px;
  line-height: 1.4;
  color: rgba(255,255,255,.94);
}

.advantage-bottom {
  background: #fff;
}

.advantage-head {
  background: linear-gradient(135deg, #0f3b66, #0a2b4a);
  color: #fff;
  padding: 28px 24px;
  text-align: center;
}

.advantage-head h2 {
  font-size: 38px;
  line-height: 1.2;
  margin-bottom: 10px;
  color: #fff;
}

.advantage-head p {
  font-size: 20px;
  line-height: 1.5;
  color: rgba(255,255,255,.94);
}

.advantage-list {
  background: #fff;
}

.advantage-row {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  padding: 28px 24px;
  border-bottom: 1px solid var(--border);
}

.advantage-row:last-child {
  border-bottom: none;
}

.adv-num {
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  background: #0f3b66;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
}

.adv-text h3 {
  color: var(--primary-dark);
  font-size: 28px;
  margin-bottom: 8px;
}

.adv-text p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.advantage-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 28px 24px 34px;
  background: #fff;
}

.advantage-actions .btn {
  width: 100%;
}

/* faq */
.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: var(--white);
  border: none;
  padding: 22px 24px;
  text-align: left;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  color: var(--primary-dark);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  border-top: 1px solid transparent;
}

.faq-answer p,
.faq-answer div {
  padding: 0 24px 22px;
  color: var(--muted);
}

.faq-item.active .faq-answer {
  max-height: 320px;
  border-top-color: var(--border);
}

/* contact */
.contact-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
}

.contact-cta-wrap {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 30px;
  align-items: start;
}

.contact-cta h2 {
  font-size: 38px;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.contact-cta p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
}

.contact-form {
  background: var(--white);
  padding: 24px;
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow-lg);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--border);
  padding: 14px 16px;
  font-size: 15px;
  outline: none;
  background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--primary);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

/* footer */
.site-footer {
  background: var(--dark);
  color: #cbd5e1;
  padding: 48px 0;
}

.footer-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 30px;
}

.site-footer h3,
.site-footer h4 {
  color: var(--white);
  margin-bottom: 12px;
}

.site-footer ul {
  display: grid;
  gap: 8px;
}

.site-footer a:hover {
  color: var(--white);
}

/* whatsapp float */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  background: var(--success);
  color: var(--white);
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-weight: 700;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
}

.wa-icon {
  font-size: 18px;
  line-height: 1;
}

.wa-text {
  font-size: 14px;
}

/* helpers */
.text-center {
  text-align: center;
}

.mt-32 {
  margin-top: 32px;
}

/* responsive */
@media (max-width: 1024px) {
  .hero-layout,
  .contact-cta-wrap,
  .footer-wrap {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-copy p {
    font-size: 17px;
  }

  .contact-cta h2 {
    font-size: 34px;
  }

  .advantage-top,
  .advantage-bg-image {
    min-height: 360px;
  }

  .advantage-stat-item strong {
    font-size: 34px;
  }

  .advantage-stat-item span {
    font-size: 16px;
  }

  .advantage-head h2 {
    font-size: 30px;
  }

  .advantage-head p {
    font-size: 17px;
  }

  .adv-text h3 {
    font-size: 24px;
  }

  .adv-text p {
    font-size: 16px;
  }
}

@media (max-width: 900px) {
  .mobile-top-video {
    display: block;
  }

  .hero-poster {
   display: none !important
  }


@media (min-width: 901px) {
  .mobile-top-video {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100%, calc(100% - 24px));
  }

  .main-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: #fff;
    font-size: 22px;
    line-height: 1;
  }

  .header-wrap {
    min-height: 64px;
    padding: 10px 0;
  }

  .logo img {
    height: 42px;
  }

  .mobile-nav {
    padding: 8px 12px 16px;
  }

  .mobile-nav a {
    padding: 12px 6px;
    font-size: 15px;
  }

  .hero,
  .section,
  .contact-cta {
    padding: 42px 0;
  }

  .hero-bg {
    background: linear-gradient(135deg, #0b3a78 0%, #174c9c 100%);
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-copy {
    padding: 0;
    background: transparent;
    box-shadow: none;
    max-width: 100%;
  }

  .hero-copy h1 {
    font-size: 30px;
    line-height: 1.15;
    margin-bottom: 12px;
    color: #fff;
  }

  .hero-copy p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,.9);
  }

  .section-head {
    margin-bottom: 18px;
  }

  .section-head h2,
  .contact-cta h2 {
    font-size: 24px;
    line-height: 1.28;
    margin-bottom: 10px;
  }

  .section-head p,
  .contact-cta p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 100%;
  }

  .section-tag,
  .light-tag {
    font-size: 12px;
    letter-spacing: .06em;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 16px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-points {
    gap: 8px;
  }

  .hero-points li {
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255,255,255,.92);
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .mobile-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }

  .mobile-grid-2 .info-card,
  .mobile-grid-2 .app-card {
    padding: 12px;
  }

  .mobile-grid-2 .info-card img,
  .mobile-grid-2 .app-card img {
    aspect-ratio: 16 / 10;
    border-radius: 10px;
    margin-bottom: 10px;
  }

  .mobile-grid-2 .info-card h3,
  .mobile-grid-2 .app-card h3 {
    font-size: 15px;
    line-height: 1.35;
    margin-bottom: 6px;
  }

  .mobile-grid-2 .info-card p,
  .mobile-grid-2 .app-card p {
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .mobile-grid-2 .info-card a {
    font-size: 12px;
    font-weight: 600;
  }

  .advantage-top,
  .advantage-bg-image {
    min-height: 300px;
  }

  .advantage-overlay {
    padding: 18px 12px;
  }

  .advantage-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 14px;
  }

  .adv-icon {
    font-size: 28px;
    margin-bottom: 8px;
  }

  .advantage-stat-item strong {
    font-size: 28px;
    margin-bottom: 4px;
  }

  .advantage-stat-item span {
    font-size: 14px;
    line-height: 1.4;
  }

  .advantage-head {
    padding: 22px 16px;
  }

  .advantage-head h2 {
    font-size: 26px;
    margin-bottom: 8px;
  }

  .advantage-head p {
    font-size: 15px;
    line-height: 1.55;
  }

  .advantage-row {
    gap: 14px;
    padding: 20px 16px;
  }

  .adv-num {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    font-size: 16px;
  }

  .adv-text h3 {
    font-size: 20px;
    margin-bottom: 6px;
  }

  .adv-text p {
    font-size: 14px;
    line-height: 1.6;
  }

  .advantage-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 20px 16px 26px;
  }

  .advantage-actions .btn {
    width: 100%;
  }

  .faq-question {
    font-size: 15px;
    line-height: 1.45;
    padding: 14px 16px;
  }

  .faq-answer p,
  .faq-answer div {
    font-size: 13px;
    line-height: 1.65;
    padding: 0 16px 16px;
  }

  .contact-cta-wrap {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .contact-form {
    padding: 16px;
  }

  .contact-form input,
  .contact-form textarea {
    font-size: 14px;
  }

  .footer-wrap {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    padding: 10px 12px;
  }

  .wa-text {
    display: none;
  }

  .mobile-top-video video {
    aspect-ratio: 16 / 8.6;
  }
}

@media (max-width: 480px) {
  .hero-copy h1 {
    font-size: 26px;
  }

  .section-head h2,
  .contact-cta h2 {
    font-size: 22px;
  }

  .mobile-grid-2 {
    gap: 10px !important;
  }

  .mobile-grid-2 .info-card,
  .mobile-grid-2 .app-card {
    padding: 10px;
  }

  .mobile-grid-2 .info-card h3,
  .mobile-grid-2 .app-card h3 {
    font-size: 14px;
  }

  .mobile-grid-2 .info-card p,
  .mobile-grid-2 .app-card p {
    font-size: 11px;
  }

  .advantage-top,
  .advantage-bg-image {
    min-height: 260px;
  }

  .advantage-stat-item strong {
    font-size: 24px;
  }

  .advantage-stat-item span {
    font-size: 12px;
  }

  .advantage-head h2 {
    font-size: 22px;
  }

  .advantage-head p {
    font-size: 14px;
  }

  .adv-text h3 {
    font-size: 18px;
  }

  .adv-text p {
    font-size: 13px;
  }

  .mobile-top-video video {
    aspect-ratio: 16 / 8.4;
  }
}