:root {
  --yellow: #ffc514;
  --yellow-strong: #f4b900;
  --yellow-soft: #fff4c7;
  --ink: #17191b;
  --charcoal: #222427;
  --charcoal-soft: #2c2f32;
  --gray-900: #33373b;
  --gray-700: #5f666d;
  --gray-500: #8b9298;
  --gray-300: #d6dadd;
  --gray-200: #e7e9eb;
  --gray-100: #f3f4f4;
  --white: #ffffff;
  --green: #16875d;
  --radius-sm: 12px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --shadow: 0 24px 60px rgba(18, 20, 22, 0.12);
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  height: 82px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.25s ease, box-shadow 0.25s ease, height 0.25s ease;
}

.site-header.is-scrolled {
  height: 72px;
  background: rgba(31, 33, 35, 0.96);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(14px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  flex: 0 0 auto;
}

.brand img {
  width: 250px;
  height: 47px;
  object-fit: contain;
  object-position: left center;
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.92rem;
  font-weight: 650;
}

.main-navigation > a:not(.nav-cta) {
  position: relative;
  padding: 12px 0;
  color: rgba(255, 255, 255, 0.86);
}

.main-navigation > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.22s ease;
}

.main-navigation > a:hover::after,
.main-navigation > a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 12px 18px;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: #ffd047;
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle-lines::before { top: -7px; }
.menu-toggle-lines::after { top: 7px; }

.menu-toggle[aria-expanded="true"] .menu-toggle-lines {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 150px 0 100px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 24%, rgba(255, 197, 20, 0.18), transparent 30%),
    linear-gradient(118deg, #1c1e20 0%, #25282a 58%, #323128 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -14%;
  width: 52%;
  height: 100%;
  border-left: 1px solid rgba(255, 197, 20, 0.2);
  transform: skewX(-10deg);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.09;
  background-image:
    linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 45%, #000 100%);
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(460px, 0.98fr);
  align-items: center;
  gap: 70px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: #997100;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--yellow);
}

.eyebrow-light {
  color: var(--yellow);
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(3.3rem, 6.8vw, 6rem);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.hero-copy > p {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1.06rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--ink);
  background: var(--yellow);
  box-shadow: 0 12px 30px rgba(255, 197, 20, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #ffd344;
}

.button-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.04);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.08);
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin: 34px 0 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
  list-style: none;
}

.hero-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-features li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--yellow);
  border-radius: 50%;
}

.hero-visual {
  position: relative;
}

.hero-image-shell {
  position: relative;
  min-height: 470px;
  display: flex;
  align-items: flex-end;
  padding: 32px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.015)),
    linear-gradient(180deg, #fdf8e8, #ede5c9);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 38px;
  box-shadow: 0 50px 90px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.hero-image-shell::after {
  content: "";
  position: absolute;
  inset: auto -20% -52% -20%;
  height: 70%;
  background: rgba(255, 197, 20, 0.18);
  border-radius: 50%;
  filter: blur(24px);
}

.hero-image-shell > img {
  position: relative;
  z-index: 2;
  width: 112%;
  max-width: none;
  margin: 0 -6% -22px;
  object-fit: contain;
  filter: drop-shadow(0 30px 30px rgba(48, 39, 12, 0.24));
}

.hero-stripe {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--yellow) 0 58%, rgba(255,255,255,.16) 58% 60%, var(--charcoal) 60%);
}

.section {
  padding: 110px 0;
}

.section-light {
  background: var(--gray-100);
}

.section-dark {
  color: var(--white);
  background: var(--charcoal);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.55fr);
  align-items: end;
  gap: 80px;
  margin-bottom: 50px;
}

.section-heading h2,
.partners-heading h2,
.materials-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(2.4rem, 4.8vw, 4.2rem);
  line-height: 1.03;
  letter-spacing: -0.048em;
}

.section-heading > p,
.partners-heading > p,
.materials-copy > p,
.contact-copy > p {
  margin: 0;
  color: var(--gray-700);
  font-size: 1.04rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  position: relative;
  min-height: 300px;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: #e3bf4a;
  box-shadow: var(--shadow);
}

.service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 58px;
  color: var(--ink);
  background: var(--yellow-soft);
  border-radius: 14px;
}

.service-icon svg {
  width: 25px;
  height: 25px;
  fill: currentColor;
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 1.28rem;
  letter-spacing: -0.025em;
}

.service-card p {
  margin: 0;
  color: var(--gray-700);
  font-size: 0.92rem;
}

.service-card-accent {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 0%, rgba(255, 197, 20, 0.25), transparent 34%),
    var(--charcoal);
  border-color: var(--charcoal);
}

.service-card-accent:hover {
  border-color: var(--yellow);
}

.service-card-accent h3 {
  max-width: 320px;
  font-size: 1.55rem;
}

.service-card-accent p {
  color: rgba(255,255,255,.65);
}

.service-card-accent a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--yellow);
  font-weight: 800;
}

.service-kicker {
  margin-bottom: auto;
  color: var(--yellow);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.fleet-section {
  position: relative;
  overflow: hidden;
}

.fleet-section::before {
  content: "CSET";
  position: absolute;
  right: -1vw;
  bottom: -8vw;
  color: rgba(255,255,255,.025);
  font-size: 32vw;
  font-weight: 900;
  letter-spacing: -0.1em;
  line-height: 1;
}

.section-heading-light > p {
  color: rgba(255,255,255,.62);
}

.fleet-carousel {
  position: relative;
}

.fleet-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 36px) / 3);
  gap: 18px;
  padding-bottom: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.fleet-track::-webkit-scrollbar {
  display: none;
}

.fleet-card {
  min-height: 365px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 20px 26px;
  background: #f7f2e4;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  scroll-snap-align: start;
  overflow: hidden;
}

.fleet-card img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  filter: drop-shadow(0 18px 16px rgba(61,49,14,.2));
  transition: transform 0.3s ease;
}

.fleet-card:hover img {
  transform: scale(1.045);
}

.fleet-card div {
  padding: 12px 8px 0;
}

.fleet-card span {
  display: block;
  margin-bottom: 5px;
  color: #8a6d15;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fleet-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.28rem;
}

.carousel-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  margin-top: 26px;
}

.carousel-controls button {
  width: 48px;
  height: 48px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.carousel-controls button:hover,
.carousel-controls button:focus-visible {
  color: var(--ink);
  background: var(--yellow);
  border-color: var(--yellow);
}

.carousel-progress {
  position: relative;
  height: 2px;
  background: rgba(255,255,255,.15);
  overflow: hidden;
}

.carousel-progress span {
  display: block;
  width: 30%;
  height: 100%;
  background: var(--yellow);
  transition: width 0.2s ease, transform 0.12s ease-out;
  will-change: width, transform;
}

.fleet-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 42px;
}

.fleet-tags span {
  padding: 9px 14px;
  color: rgba(255,255,255,.68);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  font-size: 0.82rem;
}

.materials-section {
  background: var(--white);
}

.materials-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr);
  gap: 90px;
  align-items: start;
}

.materials-copy {
  position: sticky;
  top: 120px;
}

.materials-copy > p {
  margin-top: 24px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 30px;
  padding-bottom: 5px;
  font-weight: 800;
  border-bottom: 2px solid var(--yellow);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--gray-300);
}

.materials-grid article {
  min-height: 190px;
  padding: 30px;
  border-right: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
}

.materials-grid article:nth-child(2n) {
  border-right: 0;
}

.materials-grid h3 {
  margin: 0 0 7px;
  font-size: 1.18rem;
}

.materials-grid p {
  margin: 0;
  color: var(--gray-700);
  font-size: 0.88rem;
}

.partners-section {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
}

.partners-heading {
  max-width: 770px;
  margin-bottom: 45px;
}

.partners-heading p {
  margin-top: 20px;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.partner {
  min-height: 145px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 18px;
  filter: grayscale(1);
  transition: filter 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
}

.partner:hover,
.partner:focus-visible {
  filter: grayscale(0);
  transform: translateY(-4px);
  border-color: #d6b33f;
}

.partner-logo img {
  width: min(100%, 210px);
  max-height: 78px;
  object-fit: contain;
}

.partner-wordmark {
  flex-direction: column;
  color: var(--gray-900);
  text-align: center;
}

.partner-wordmark strong {
  font-size: 1.55rem;
  letter-spacing: 0.08em;
}

.partner-wordmark span {
  color: var(--gray-700);
  font-size: 0.77rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.partners-note {
  margin: 22px 0 0;
  color: var(--gray-500);
  font-size: 0.76rem;
}

.contact-section {
  padding-top: 70px;
  background: var(--gray-100);
}

.contact-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(310px, 0.55fr);
  align-items: center;
  gap: 80px;
  padding: 62px;
  color: var(--white);
  background:
    radial-gradient(circle at 86% 12%, rgba(255,197,20,.22), transparent 30%),
    var(--charcoal);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact-card::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -180px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 50%;
}

.contact-copy,
.contact-actions {
  position: relative;
  z-index: 2;
}

.contact-copy p {
  max-width: 680px;
  margin-top: 22px;
  color: rgba(255,255,255,.62);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}

.button-large {
  min-height: 86px;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px 24px;
}

.button-large span {
  font-size: 0.78rem;
}

.button-large strong {
  font-size: 1.35rem;
}

.button-contact-secondary {
  color: var(--white);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.2);
}

.button-contact-secondary:hover,
.button-contact-secondary:focus-visible {
  color: var(--charcoal);
  background: var(--white);
  border-color: var(--white);
}

.contact-caption {
  color: rgba(255,255,255,.48);
  font-size: 0.75rem;
  text-align: center;
}

.site-footer {
  padding: 72px 0 26px;
  color: rgba(255,255,255,.68);
  background: #17191b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.55fr 0.7fr;
  gap: 80px;
}

.footer-brand img {
  width: 280px;
  max-height: 60px;
  object-fit: contain;
  object-position: left center;
}

.footer-brand p {
  max-width: 380px;
  margin: 20px 0 0;
  color: rgba(255,255,255,.48);
}

.footer-grid nav,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact span {
  color: rgba(255,255,255,.48);
  font-size: 0.86rem;
}

.footer-grid strong {
  margin-bottom: 8px;
  color: var(--white);
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: var(--yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 54px;
  padding-top: 24px;
  color: rgba(255,255,255,.36);
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 0.75rem;
}

.footer-developer {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  align-self: center;
  gap: 8px;
  width: max-content;
  max-width: 100%;
  padding: 5px 0;
  color: rgba(255,255,255,.62);
  border-top: 1px solid rgba(255,255,255,.16);
  border-bottom: 1px solid rgba(255,255,255,.16);
}

.footer-developer:hover,
.footer-developer:focus-visible {
  color: var(--white);
  border-color: rgba(255,197,20,.7);
}

.footer-developer-mark {
  position: relative;
  display: block;
  flex: 0 0 44px;
  width: 44px;
  height: 19px;
  overflow: hidden;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.18);
}

.footer-developer-mark img {
  position: absolute;
  top: -1px;
  left: -10px;
  display: block;
  width: 63px;
  max-width: none;
  height: auto;
}

.footer-developer-copy {
  display: inline-grid;
  gap: 2px;
  line-height: 1.05;
  text-align: left;
}

.footer-developer-copy small,
.footer-developer-copy strong {
  white-space: nowrap;
}

.footer-developer-copy small {
  font-size: 0.64rem;
}

.footer-developer-copy strong {
  color: var(--white);
  font-size: 0.76rem;
}

.whatsapp-float {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  padding: 12px;
  line-height: 0;
  color: var(--white);
  background: #25d366;
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 14px 32px rgba(10, 60, 35, 0.3);
  transition: transform 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: scale(1.07);
}

.whatsapp-float svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
  overflow: visible;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }

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

@media (max-width: 1040px) {
  .main-navigation { gap: 18px; }
  .hero-content { grid-template-columns: 1fr 0.92fr; gap: 36px; }
  .hero-image-shell { min-height: 410px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .fleet-track { grid-auto-columns: calc((100% - 18px) / 2); }
  .materials-layout { gap: 50px; }
}

@media (max-width: 860px) {
  .site-header,
  .site-header.is-scrolled { height: 72px; }
  .brand img { width: 212px; height: 42px; }
  .menu-toggle { display: block; }

  .main-navigation {
    position: fixed;
    inset: 72px 0 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px 20px 40px;
    background: rgba(25, 27, 29, 0.98);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }

  .main-navigation.is-open {
    transform: translateX(0);
  }

  .main-navigation > a:not(.nav-cta) {
    padding: 18px 6px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    font-size: 1.08rem;
  }

  .nav-cta {
    margin-top: 22px;
    padding: 16px 18px;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: 124px 0 80px;
  }

  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-visual {
    max-width: 650px;
  }

  .section { padding: 84px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .materials-layout { grid-template-columns: 1fr; }
  .materials-copy { position: static; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card { grid-template-columns: 1fr; gap: 38px; padding: 44px; }
  .footer-grid { grid-template-columns: 1.2fr .7fr .8fr; gap: 34px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand img { width: 188px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.35rem); }
  .hero-copy > p { margin-top: 22px; font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-features { flex-direction: column; gap: 10px; }
  .hero-image-shell { min-height: 340px; padding: 18px; border-radius: 26px; }
  .hero-image-shell > img { width: 120%; margin: 0 -10% -16px; }
  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2,
  .partners-heading h2,
  .materials-copy h2,
  .contact-copy h2 { font-size: clamp(2.3rem, 11vw, 3.2rem); }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 270px; padding: 26px; }
  .service-icon { margin-bottom: 42px; }
  .fleet-track { grid-auto-columns: 86%; }
  .fleet-card { min-height: 330px; }
  .fleet-card img { height: 215px; }
  .materials-grid { grid-template-columns: 1fr; }
  .materials-grid article,
  .materials-grid article:nth-child(2n) { border-right: 0; }
  .partners-grid { grid-template-columns: 1fr; }
  .partner { min-height: 120px; }
  .contact-section { padding-top: 34px; }
  .contact-card { width: calc(100% - 20px); padding: 34px 24px; border-radius: 24px; }
  .button-large { min-height: 78px; }
  .button-large strong { font-size: 1.05rem; overflow-wrap: anywhere; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; }
  .footer-developer { align-self: flex-start; }
  .whatsapp-float {
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
    width: 54px;
    height: 54px;
    padding: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header,
  .whatsapp-float,
  .hero-actions,
  .carousel-controls { display: none !important; }
  .hero { min-height: auto; padding-top: 40px; }
  .section { padding: 44px 0; break-inside: avoid; }
  .reveal { opacity: 1; transform: none; }
}