:root {
  --blue-950: #05114f;
  --blue-900: #091d68;
  --blue-800: #0d2d84;
  --blue-700: #0d459f;
  --cyan-500: #18c7ff;
  --cyan-400: #4ad7ff;
  --white: #ffffff;
  --ink: #172033;
  --muted: #68728a;
  --surface: #f4f7fb;
  --surface-2: #edf2f8;
  --border: rgba(9, 29, 104, 0.08);
  --shadow: 0 18px 45px rgba(7, 27, 91, 0.16);
  --radius: 26px;
  --radius-sm: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--white);
  color: var(--blue-900);
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 1000;
}

.skip-link:focus {
  left: 10px;
}

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

.section-light {
  padding: 96px 0;
  background: linear-gradient(180deg, var(--white), var(--surface));
}

.section-dark {
  position: relative;
  color: var(--white);
  background: linear-gradient(180deg, var(--blue-900), var(--blue-950));
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.88rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--cyan-400);
}

.eyebrow-blue {
  color: var(--cyan-500);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 5rem);
  max-width: 10ch;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  margin-bottom: 22px;
}

h3 {
  font-size: 1.45rem;
  margin-bottom: 16px;
}

p {
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-500), #57dcff);
  color: var(--blue-950);
  box-shadow: 0 16px 35px rgba(24, 199, 255, 0.28);
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.btn-block {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 17, 79, 0.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--white);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--cyan-500), var(--white) 45%, #7adfff);
  color: var(--blue-900);
  font-size: 1.5rem;
  font-weight: 900;
  box-shadow: inset 0 -8px 18px rgba(9, 29, 104, 0.12);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-text strong {
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

.brand-text small {
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  opacity: 0.82;
  margin-top: 6px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: rgba(255, 255, 255, 0.92);
}

.main-nav a:not(.nav-cta) {
  position: relative;
  font-weight: 700;
}

.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--cyan-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav a:not(.nav-cta):hover::after,
.main-nav a:not(.nav-cta):focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.menu-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 5px auto;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/hero.jpg");
  background-size: cover;
  background-position: 76% center;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(24, 199, 255, 0.18), transparent 30%),
    linear-gradient(90deg, rgba(5, 17, 79, 0.94) 0%, rgba(5, 17, 79, 0.8) 42%, rgba(5, 17, 79, 0.38) 72%, rgba(5, 17, 79, 0.18) 100%);
}

.hero-grid {
  position: relative;
  min-height: calc(100vh - 88px);
  display: grid;
  align-items: center;
  padding: 120px 0 90px;
}

.hero-copy {
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.hero-copy p {
  max-width: 56ch;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 34px;
}

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

.card-soft {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.about-grid,
.structure-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 38px;
  align-items: center;
}

.about-media,
.structure-media {
  padding: 24px;
}

.about-media img,
.structure-media img {
  width: 100%;
  border-radius: calc(var(--radius) - 10px);
}

.about-copy p {
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.stats-grid article {
  background: var(--white);
  border-radius: 20px;
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 24px rgba(18, 33, 78, 0.06);
}

.stats-grid strong {
  display: block;
  font-size: 1.45rem;
  color: var(--blue-900);
}

.stats-grid span {
  color: var(--muted);
  font-size: 0.95rem;
}

.section-heading {
  max-width: 780px;
  text-align: center;
  margin-bottom: 36px;
}

.section-heading p {
  color: var(--muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  min-height: 100%;
}

.service-card p {
  color: var(--muted);
}

.icon-wrap {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-900);
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), rgba(93, 222, 255, 0.45));
  border: 6px solid rgba(24, 199, 255, 0.3);
  margin-bottom: 20px;
}

.icon-wrap svg {
  width: 40px;
  height: 40px;
}

.feature-band,
.feature-card,
.contact {
  position: relative;
  overflow: hidden;
}

.feature-band {
  min-height: 520px;
  display: flex;
  align-items: center;
  color: var(--white);
  background: linear-gradient(180deg, var(--blue-900), var(--blue-950));
}

.feature-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/national.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.feature-overlay,
.contact-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 17, 79, 0.74), rgba(5, 17, 79, 0.92));
}

.feature-content,
.feature-copy,
.contact-grid {
  position: relative;
  z-index: 1;
}

.feature-content {
  max-width: 720px;
  padding: 80px 0;
}

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

.feature-card {
  min-height: 430px;
  display: flex;
  align-items: end;
  padding: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-card:last-child {
  border-right: none;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.feature-green::before {
  background-image: url("assets/green-logistics.jpg");
}

.feature-temperature::before {
  background-image: url("assets/temperature.jpg");
}

.feature-industry::before {
  background-image: url("assets/industry.jpg");
}

.feature-copy {
  position: relative;
  max-width: 360px;
}

.feature-copy p {
  color: rgba(255, 255, 255, 0.82);
}

.structure-copy p,
.structure-list {
  color: var(--muted);
}

.structure-list {
  padding-left: 18px;
  margin: 24px 0 0;
}

.structure-list li + li {
  margin-top: 10px;
}

.contact {
  padding: 96px 0;
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("assets/footer-bg.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.28;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.contact-cards article,
.contact-form {
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.contact-cards article {
  padding: 20px;
}

.contact-cards h3,
.contact-form h3 {
  margin-bottom: 10px;
}

.contact-cards p,
.contact p {
  color: rgba(255, 255, 255, 0.86);
}

.contact-form {
  padding: 24px;
}

.contact-form label {
  display: block;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  border-radius: 14px;
  padding: 14px 16px;
}

.contact-form textarea {
  resize: vertical;
  min-height: 150px;
}


.form-status {
  display: none;
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  background: rgba(34, 197, 94, 0.18);
  border: 1px solid rgba(34, 197, 94, 0.42);
  color: #d8ffe6;
}

.form-status.is-error {
  background: rgba(239, 68, 68, 0.18);
  border: 1px solid rgba(248, 113, 113, 0.42);
  color: #ffe0e0;
}

.form-hidden-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form button[disabled] {
  opacity: 0.78;
  cursor: wait;
}

.site-footer {
  background: #04103d;
  color: rgba(255, 255, 255, 0.84);
  padding-top: 34px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 20px;
}

.footer-grid > div {
  max-width: 560px;
}

.footer-brand {
  margin-bottom: 18px;
}

.footer-links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.footer-bottom {
  padding: 18px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.94rem;
}

.floating-whatsapp,
.back-to-top {
  position: fixed;
  right: 22px;
  z-index: 40;
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 36px rgba(7, 27, 91, 0.2);
}

.floating-whatsapp {
  left: 22px;
  right: auto;
  bottom: 22px;
  color: var(--white);
  background: #22c55e;
  border-radius: 50%;
}

.floating-whatsapp svg,
.back-to-top svg {
  width: 28px;
  height: 28px;
}

.back-to-top {
  bottom: 22px;
  background: linear-gradient(135deg, var(--cyan-500), #55daff);
  color: var(--blue-950);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .cards-grid,
  .feature-grid,
  .about-grid,
  .structure-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 360px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .feature-card:last-child {
    border-bottom: none;
  }

  .hero::before {
    background-position: 65% center;
  }

  .footer-grid {
    flex-direction: column;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: fixed;
    inset: 88px 16px auto 16px;
    background: rgba(5, 17, 79, 0.98);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
    padding: 22px;
    display: grid;
    gap: 16px;
    transform: scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }

  .nav-cta {
    text-align: center;
  }

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

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

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

  .hero-grid {
    min-height: auto;
    padding: 100px 0 72px;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 720px) {
  .section-light,
  .contact {
    padding: 72px 0;
  }

  .nav-wrapper {
    min-height: 78px;
  }

  .main-nav {
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .brand-text strong {
    font-size: 1rem;
  }

  .brand-text small {
    font-size: 0.66rem;
  }

  .stats-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .service-card,
  .contact-form,
  .contact-cards article {
    padding: 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .floating-whatsapp,
  .back-to-top {
    width: 54px;
    height: 54px;
    bottom: 16px;
  }

  .floating-whatsapp {
    left: 16px;
  }

  .back-to-top {
    right: 16px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  h1 {
    font-size: 2.15rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero::before {
    background-position: 72% center;
    opacity: 0.62;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(5, 17, 79, 0.88), rgba(5, 17, 79, 0.84));
  }

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