:root {
  --blue: #0057b8;
  --blue-dark: #071b33;
  --blue-night: #050a14;
  --cyan: #00aeef;

  --white: #ffffff;
  --light: #f4f7fb;

  --text: #1d2939;
  --muted: #667085;

  --silver: #c9d2dc;
  --border: #dde5ef;

  --shadow: 0 22px 60px rgba(7, 27, 51, 0.13);

  --radius: 24px;
  --container: 1500px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

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

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

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

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

.section {
  padding: 60px 0;
}

.section + .section {
  box-shadow: inset 0 1px 0 rgba(7, 27, 51, 0.05);
}

.kicker {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-kicker {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 40px;
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.about-copy h2,
.split-copy h2,
.data-copy h2,
.contact-info h2,
.final-cta h2 {
  color: var(--blue-dark);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading h2 {
  margin-top: 12px;
}

.section-heading p,
.split-copy p,
.data-copy p,
.contact-info p,
.final-cta p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.04rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 850;
  cursor: pointer;
  transition: 0.25s ease;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 14px 30px rgba(0, 87, 184, 0.24);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(0, 87, 184, 0.32);
}

.btn-secondary {
  color: var(--blue-dark);
  background: var(--white);
  border-color: var(--border);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-light {
  color: var(--blue-dark);
  background: var(--white);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition: 0.25s ease;
}

.site-header.scrolled {
  background: rgba(5, 10, 20, 0.88);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.18);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 24px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 50px;
  height: 50px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.38);
}

.brand-copy strong,
.footer-brand strong {
  display: block;
  color: var(--white);
  font-weight: 950;
  letter-spacing: 0.05em;
}

.brand-copy span,
.footer-brand span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.78rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  font-weight: 760;
}

.nav-links a:hover {
  color: var(--white);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: var(--white);
  transition: 0.25s ease;
}

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

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

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 40px;
  min-height: 75vh;
  color: var(--white);
  background:
    linear-gradient(rgba(5, 10, 20, 0.62), rgba(5, 10, 20, 0.75)),
    url("images/RTIC-HERO.png") center center / cover;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.35) 45%, transparent 100%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  align-items: start;
  padding-top: 20px;
  gap: 56px;
}

.hero h1 {
  max-width: 700px;
  margin-top: 10px;
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero-text {
  max-width: 720px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.04rem, 2vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-differentials {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 12px 28px;
  margin-top: 24px;
}

.hero-differentials div {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
  font-size: 0.95rem;
}

.hero-card {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
}

.hero-card-inner {
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(7, 27, 51, 0.94), rgba(5, 10, 20, 0.94));
  text-align: center;
}

.hero-logo {
  width: 145px;
  height: 145px;
  margin: 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 32px rgba(0, 0, 0, 0.28));
}

.hero-card-copy h2 {
  margin-top: 24px;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}

.hero-card-copy p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-card-lines {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.hero-card-lines span {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  font-weight: 800;
  transition: 0.25s ease;
}

.hero-card-lines span:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
}

.industries {
  padding: 16px 0;
  background: var(--blue-dark);
  color: var(--white);
}

.industries-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.industries-row strong {
  color: rgba(255, 255, 255, 0.62);
}

.industries-row span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.88rem;
  font-weight: 750;
}

.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: start;
  gap: 80px;
}

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.about-highlights span {
  padding: 10px 14px;
  border-radius: 999px;
  background: #f4f7fb;
  border: 1px solid #dde5ef;
  color: #071b33;
  font-weight: 600;
  font-size: 0.75rem;
}

.about-copy p {
  margin-top: 18px;
  color: #344054;
  font-size: 1.05rem;
  line-height: 1.8;
  font-weight: 500;
}

.about-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.services {
  background: var(--light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 36px rgba(16, 24, 40, 0.06);
  transition: 0.25s ease;
}

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

.service-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.service-content {
  padding: 26px;
}

.service-number {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 950;
}

.service-card h3 {
  margin-top: 8px;
  color: var(--blue-dark);
  font-size: 1.28rem;
  line-height: 1.2;
}

.service-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.service-card ul {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  list-style: none;
}

.service-card li {
  color: #344054;
  font-size: 0.92rem;
  font-weight: 640;
}

.service-card li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--blue);
  font-weight: 950;
}

.problems {
  background: var(--white);
}

.problem-intro {
  max-width: 900px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.problem-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 8px 20px rgba(16, 24, 40, 0.05);
  transition: 0.25s ease;
}

.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.problem-card i {
  display: grid;
  place-items: center;
  min-width: 48px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 87, 184, 0.08);
  color: var(--blue);
  font-size: 1rem;
}

.problem-card span {
  color: var(--blue-dark);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
}

.data-section {
  position: relative;
  background: linear-gradient(135deg, var(--blue-night), var(--blue-dark));
  color: var(--white);
}

.data-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.06), transparent);
  pointer-events: none;
}

.data-section .section-heading h2 {
  color: var(--white);
}

.data-section .section-kicker {
  color: rgba(255, 255, 255, 0.75);
}

.data-intro {
  max-width: 900px;
  margin: 24px auto 0;
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  line-height: 1.8;
}

.data-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: center;
  margin-top: 60px;
}

.data-visual img {
  width: 100%;
  height: 437px;
  object-fit: cover;
  border-radius: 30px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
}

.data-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.data-features article {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.data-features h3 {
  color: var(--white);
  margin-bottom: 10px;
}

.data-features p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.6;
}

.process {
  background: var(--light);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-step {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}

.process-step span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(0, 87, 184, 0.09);
  color: var(--blue);
  font-weight: 950;
}

.process-step h3 {
  margin-top: 22px;
  color: var(--blue-dark);
  line-height: 1.2;
}

.process-step p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.93rem;
}

.applications {
  background: var(--white);
}

.application-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 36px rgba(16, 24, 40, 0.06);
}

.application-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.application-card h3 {
  padding: 24px 24px 0;
  color: var(--blue-dark);
}

.application-card p {
  padding: 10px 24px 24px;
  color: var(--muted);
}

.final-cta {
  padding: 92px 0;
  background: var(--light);
}

.final-cta-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 48px;
  border-radius: 32px;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 25%, rgba(0, 174, 239, 0.28), transparent 36%),
    linear-gradient(135deg, var(--blue), var(--blue-dark));
  box-shadow: 0 24px 70px rgba(0, 87, 184, 0.26);
}

.final-cta h2,
.final-cta p {
  color: var(--white);
}

.contact {
  background: var(--white);
}

.about,
.services,
.problems,
.process,
.applications,
.contact {
  position: relative;
  box-shadow: inset 0 1px 0 rgba(7, 27, 51, 0.05);
}

.about::before,
.services::before,
.problems::before,
.process::before,
.applications::before,
.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, 1300px);
  height: 1px;
  background: rgba(7, 27, 51, 0.06);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 42px;
  align-items: start;
}

.contact-info {
  padding: 34px;
  border-radius: 30px;
  color: var(--white);
  background: var(--blue-dark);
}

.contact-info h2,
.contact-info p {
  color: var(--white);
}

.contact-info p {
  color: rgba(255, 255, 255, 0.85);
}

.contact-info .section-kicker {
  color: rgba(255, 255, 255, 0.75);
}

.contact-info a:hover {
  color: var(--cyan);
}

.contact-method {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-method strong {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.84rem;
}

.contact-method span {
  display: block;
  margin-top: 5px;
  color: var(--white);
  font-weight: 820;
}

.contact-form {
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 30px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

label {
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 15px;
  outline: none;
  color: var(--text);
  background: var(--white);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(0, 87, 184, 0.1);
}

input.invalid,
textarea.invalid {
  border-color: #d92d20;
}

.form-submit {
  width: 100%;
}

.form-message {
  display: none;
  margin-top: 16px;
  padding: 14px;
  border-radius: 14px;
  color: #087443;
  background: rgba(18, 183, 106, 0.11);
  font-weight: 800;
}

.form-message.show {
  display: block;
}

.form-message.error {
  color: #b42318;
  background: rgba(217, 45, 32, 0.1);
}

.whatsapp-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  color: var(--white);
  background: #25d366;
  font-size: 1.6rem;
  box-shadow: 0 16px 35px rgba(37, 211, 102, 0.35);
}

.footer {
  padding: 20px 0 10px;
  color: var(--white);
  background: var(--blue-night);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr repeat(3, 1fr);
  gap: 20px;
}

.footer-brand img {
  width:77px;
  height: 77px;
  border-radius: 999px;
  object-fit: cover;
}

.footer p {
  max-width: 360px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
}

.footer h3 {
  margin-bottom: 14px;
  font-size: 0.75rem;
}

.footer a {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.62);
font-size: 0.75rem
}

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

.footer-bottom {
  margin-top: 15px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.75rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: 0.7s ease;
}

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

.site-header.header-hidden {
  transform: translateY(-100%);
}

.nav-links a.active {
  color: var(--white);
}

.applicationsSwiper {
  position: relative;
  padding-bottom: 55px;
  overflow: visible;
}

.applicationsSwiper .swiper-slide {
  height: auto;
}

.applicationsSwiper .application-card {
  height: 100%;
}

.applicationsSwiper .swiper-button-prev,
.applicationsSwiper .swiper-button-next {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(7, 27, 51, 0.92);
  box-shadow: 0 10px 25px rgba(7, 27, 51, 0.18);
}

.applicationsSwiper .swiper-button-prev::after,
.applicationsSwiper .swiper-button-next::after {
  font-size: 16px;
  font-weight: 900;
  color: #fff;
}

.applicationsSwiper .swiper-pagination {
  bottom: 4px;
}

.applicationsSwiper .swiper-pagination-bullet {
  opacity: 0.35;
  transition: 0.25s ease;
}

.applicationsSwiper .swiper-pagination-bullet-active {
  opacity: 1;
  transform: scale(1.25);
}

.image-error {
  visibility: hidden;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid #00aeef;
  outline-offset: 3px;
}

@media (max-width: 1060px) {
  .hero-grid,
  .about-grid,
  .data-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 460px;
  }

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

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

  .final-cta-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .menu-toggle {
    display: block;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 82px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border-radius: 22px;
    background: rgba(5, 10, 20, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 14px;
    border-radius: 14px;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 130px;
  }

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

@media (max-width: 660px) {
  .services-grid,
  .process-grid,
  .problem-list,
  .data-features,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-card-inner,
  .contact-form,
  .contact-info,
  .final-cta-box {
    padding: 24px;
  }

  .hero-logo {
    width: 140px;
    height: 140px;
  }

  .applicationsSwiper .swiper-button-prev,
  .applicationsSwiper .swiper-button-next {
    width: 38px;
    height: 38px;
  }

  .applicationsSwiper .swiper-button-prev {
    left: 0;
  }

  .applicationsSwiper .swiper-button-next {
    right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}