:root {
  --petroleum: #0b2f3a;
  --petroleum-2: #071e26;
  --steel: #4c7183;
  --orange: #e86f1f;
  --orange-dark: #cf5e18;
  --graphite: #283238;
  --muted: #f3f6f7;
  --border: #d7e2e7;
  --text-soft: #5f6f77;
  --white: #ffffff;
  --whatsapp: #25d366;
  --shadow: 0 18px 48px rgb(11 47 58 / 8%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: #fbfcfd;
  color: var(--graphite);
  font-family: Inter, Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid rgb(232 111 31 / 45%);
  outline-offset: 3px;
}

.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;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.topbar {
  background: var(--petroleum);
  color: var(--white);
}

.topbar__inner {
  display: flex;
  min-height: 44px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-block: 8px;
  font-size: 12px;
  font-weight: 700;
}

.contact-chip {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  color: rgb(255 255 255 / 86%);
}

.icon {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-chip .icon {
  flex: 0 0 auto;
  color: var(--orange);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid #dce5e9;
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  text-decoration: none;
}

.brand__logo {
  display: block;
  width: min(244px, 38vw);
  height: auto;
}

.brand--inverse {
  width: max-content;
  max-width: 100%;
  border-radius: 8px;
  background: var(--white);
  padding: 8px 10px;
  box-shadow: 0 12px 28px rgb(0 0 0 / 24%);
}

.brand--inverse .brand__logo {
  width: min(250px, 72vw);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__links a {
  color: #31434b;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav__links a:hover {
  color: var(--orange);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 8px;
  padding: 13px 18px;
  cursor: pointer;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 14px 28px rgb(232 111 31 / 22%);
}

.button--primary:hover {
  background: var(--orange-dark);
}

.button--ghost {
  border: 1px solid rgb(255 255 255 / 34%);
  background: transparent;
  color: var(--white);
}

.button--ghost:hover {
  background: rgb(255 255 255 / 10%);
}

.button--dark {
  width: 100%;
  background: var(--petroleum);
  color: var(--white);
}

.button--dark:hover {
  background: #164553;
}

.button--whatsapp {
  background: var(--whatsapp);
  color: #052d19;
}

.button[aria-disabled='true'] {
  cursor: not-allowed;
  background: #a9b8bf;
  color: #22333a;
  transform: none;
  box-shadow: none;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid #cfdde3;
  border-radius: 8px;
  background: var(--white);
  color: var(--petroleum);
  cursor: pointer;
}

.technical-surface {
  background:
    linear-gradient(135deg, rgb(11 47 58 / 96%), rgb(28 72 86 / 94%)),
    linear-gradient(90deg, rgb(255 255 255 / 8%) 1px, transparent 1px),
    linear-gradient(0deg, rgb(255 255 255 / 7%) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}

.hero {
  overflow: hidden;
  color: var(--white);
}

.hero__grid {
  display: grid;
  min-height: calc(100vh - 120px);
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  align-items: center;
  gap: 40px;
  padding-block: clamp(56px, 8vw, 86px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 34px;
  height: 2px;
  background: currentColor;
}

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

.hero h1,
.section-title,
.cta-section h2 {
  margin: 0;
  font-family: Manrope, Inter, sans-serif;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 720px;
  margin-top: 20px;
  color: var(--white);
  font-size: clamp(44px, 8vw, 90px);
  font-weight: 900;
  line-height: 0.98;
}

.hero__lead {
  max-width: 590px;
  margin: 24px 0 0;
  color: rgb(255 255 255 / 78%);
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero__media {
  position: relative;
  padding-bottom: 32px;
}

.hero__corner {
  position: absolute;
  top: 30px;
  left: -20px;
  display: block;
  width: 112px;
  height: 112px;
  border-top: 8px solid var(--orange);
  border-left: 8px solid var(--orange);
}

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 14%);
  border-radius: 8px;
  background: #112f3a;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__media .media-frame {
  aspect-ratio: 1.08 / 1;
  box-shadow: 0 28px 80px rgb(0 0 0 / 30%);
}

.hero__indicators {
  position: absolute;
  right: 16px;
  bottom: 0;
  display: grid;
  width: min(92%, 520px);
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border: 1px solid rgb(255 255 255 / 16%);
  background: rgb(9 40 51 / 94%);
  padding: 12px;
  box-shadow: 0 18px 48px rgb(0 0 0 / 28%);
  backdrop-filter: blur(10px);
}

.hero__indicators span {
  color: rgb(255 255 255 / 68%);
  font-size: 12px;
  line-height: 1.55;
}

.hero__indicators strong {
  display: block;
  color: var(--white);
  font-weight: 900;
  text-transform: uppercase;
}

.section {
  padding-block: clamp(64px, 9vw, 112px);
  background: var(--white);
}

.section--muted {
  background: var(--muted);
}

.about-grid,
.section-heading,
.benefits-grid,
.contact-grid,
.cta-grid {
  display: grid;
  gap: 48px;
}

.about-grid {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
}

.photo-composition {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 12px;
}

.photo-composition__tall {
  aspect-ratio: 0.76 / 1;
  transform: translateY(32px);
}

.photo-composition__side {
  display: grid;
  gap: 12px;
}

.photo-composition__side .media-frame {
  aspect-ratio: 1.12 / 1;
}

.metric-box {
  border-left: 8px solid var(--orange);
  background: #eef2f4;
  padding: 20px;
}

.metric-box strong {
  display: block;
  color: var(--petroleum);
  font-family: Manrope, Inter, sans-serif;
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
}

.metric-box span {
  display: block;
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.65;
}

.section-title {
  margin-top: 16px;
  color: var(--petroleum);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.04;
}

.section-copy {
  margin: 20px 0 0;
  color: #53636b;
  line-height: 1.75;
}

.check-list {
  display: grid;
  gap: 16px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: #405057;
}

.check-list li::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 0;
  width: 16px;
  height: 16px;
  border: 4px solid var(--orange);
  border-radius: 50%;
}

.section-heading {
  grid-template-columns: 0.76fr 1fr;
  align-items: end;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.solution-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  padding: 20px;
  box-shadow: 0 12px 32px rgb(11 47 58 / 6%);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.solution-card:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: 0 16px 40px rgb(11 47 58 / 10%);
}

.solution-card__icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  background: var(--petroleum);
  color: var(--white);
  box-shadow: inset -5px 0 0 var(--orange);
  font-size: 24px;
  font-weight: 900;
}

.solution-card h3,
.benefits-list h3,
.process-list h3,
.info-box h3 {
  margin: 20px 0 0;
  color: var(--petroleum);
  font-family: Manrope, Inter, sans-serif;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.2;
}

.solution-card p,
.benefits-list p,
.process-list p,
.info-box p {
  margin: 12px 0 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.solution-card a {
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

.benefits-grid {
  grid-template-columns: 0.68fr 1fr;
}

.benefits-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.benefits-list article {
  min-height: 218px;
  padding: 24px;
}

.benefits-list article:nth-child(odd) {
  border-right: 1px solid var(--border);
}

.benefits-list article:nth-child(-n + 2) {
  border-bottom: 1px solid var(--border);
}

.benefits-list span {
  color: #dbe4e8;
  font-family: Manrope, Inter, sans-serif;
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
}

.benefits-list span::after {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 18px;
  background: var(--orange);
}

.tabs {
  margin-top: 40px;
}

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tabs__list button {
  min-height: 40px;
  border: 1px solid #cfdde3;
  border-radius: 8px;
  background: var(--white);
  color: #31434b;
  cursor: pointer;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 800;
}

.tabs__list button[aria-selected='true'] {
  border-color: var(--orange);
  background: var(--petroleum);
  color: var(--white);
}

.tabs__panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.project-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
}

.project-card > img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-placeholder {
  position: relative;
  display: grid;
  aspect-ratio: 4 / 3;
  min-height: 260px;
  place-items: end start;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgb(11 47 58 / 94%), rgb(76 113 131 / 90%)),
    repeating-linear-gradient(
      90deg,
      rgb(255 255 255 / 10%) 0,
      rgb(255 255 255 / 10%) 1px,
      transparent 1px,
      transparent 42px
    );
  color: var(--white);
  padding: 20px;
}

.project-placeholder::after {
  content: '';
  position: absolute;
  inset: 18px;
  border: 1px dashed rgb(255 255 255 / 28%);
  border-radius: 8px;
}

.project-placeholder__content {
  position: relative;
  z-index: 1;
}

.project-placeholder strong {
  display: block;
  font-family: Manrope, Inter, sans-serif;
  font-size: 24px;
  font-weight: 900;
}

.project-placeholder span {
  display: block;
  max-width: 25ch;
  margin-top: 8px;
  color: rgb(255 255 255 / 74%);
  font-size: 12px;
  line-height: 1.6;
}

.project-card__body {
  padding: 20px;
}

.project-card__category {
  margin: 0;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.project-card h3 {
  margin: 8px 0 0;
  color: var(--petroleum);
  font-family: Manrope, Inter, sans-serif;
  font-size: 21px;
  line-height: 1.2;
}

.project-card p:last-child {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  border-top: 4px solid var(--orange);
  background: var(--muted);
  padding: 24px;
}

.process-list span {
  color: var(--orange);
  font-family: Manrope, Inter, sans-serif;
  font-size: 14px;
  font-weight: 900;
}

.cta-section {
  color: var(--white);
}

.cta-grid {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.cta-section h2 {
  max-width: 820px;
  margin-top: 16px;
  color: var(--white);
  font-size: clamp(36px, 6vw, 70px);
  font-weight: 900;
  line-height: 1;
}

.cta-section p {
  max-width: 680px;
  margin: 20px 0 0;
  color: rgb(255 255 255 / 76%);
  font-size: 18px;
  line-height: 1.75;
}

.cta-section .pending-note {
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
}

.cta-actions {
  display: grid;
  gap: 12px;
}

.contact-grid {
  grid-template-columns: 0.85fr 1.15fr;
}

.info-box {
  margin-top: 32px;
  border-left: 4px solid var(--orange);
  background: var(--muted);
  padding: 20px;
}

.contact-form {
  display: grid;
  gap: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfcfd;
  padding: clamp(20px, 4vw, 28px);
  box-shadow: var(--shadow);
}

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

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: var(--graphite);
  font-weight: 800;
}

.contact-form label small {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cfdde3;
  border-radius: 8px;
  background: var(--white);
  color: var(--graphite);
  padding: 10px 12px;
}

.contact-form textarea {
  min-height: 128px;
  resize: vertical;
}

.contact-form [aria-invalid='true'] {
  border-color: #b42318;
}

.field-error {
  min-height: 18px;
  color: #b42318;
  font-size: 14px;
  font-weight: 700;
}

.form-success {
  border: 1px solid #b8ddc9;
  border-radius: 8px;
  background: #edf9f1;
  color: #14532d;
  padding: 14px;
  font-size: 14px;
  font-weight: 800;
}

.footer {
  background: var(--petroleum-2);
  color: var(--white);
  padding-block: 48px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.9fr 0.9fr;
  gap: 40px;
}

.footer p {
  max-width: 390px;
  margin: 20px 0 0;
  color: rgb(255 255 255 / 68%);
}

.footer__column {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer__column h2 {
  margin: 0 0 8px;
  font-family: Manrope, Inter, sans-serif;
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
}

.footer__column a,
.footer__column span {
  color: rgb(255 255 255 / 66%);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.footer__column a:hover {
  color: var(--orange);
}

.footer__bottom {
  margin-top: 40px;
  border-top: 1px solid rgb(255 255 255 / 12%);
  padding-top: 24px;
  color: rgb(255 255 255 / 58%);
  font-size: 14px;
  font-weight: 700;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border-radius: 8px;
  background: var(--whatsapp);
  color: #06351e;
  box-shadow: 0 16px 36px rgb(37 211 102 / 34%);
  font-size: 28px;
  transition: transform 160ms ease;
}

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

@media (max-width: 1040px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .nav__links.is-open {
    position: absolute;
    top: calc(100% + 12px);
    right: 16px;
    display: grid;
    width: min(86vw, 340px);
    gap: 4px;
    border: 1px solid #d9e4e8;
    border-radius: 8px;
    background: var(--white);
    padding: 12px;
    box-shadow: 0 24px 60px rgb(11 47 58 / 20%);
  }

  .nav__links.is-open a {
    border-radius: 8px;
    padding: 12px;
  }

  .hero__grid,
  .about-grid,
  .section-heading,
  .benefits-grid,
  .contact-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

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

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

  .cta-actions {
    justify-items: start;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .topbar__inner {
    justify-content: flex-start;
  }

  .brand__logo {
    width: min(196px, 54vw);
  }

  .hero__grid {
    min-height: auto;
  }

  .hero__actions,
  .cta-actions {
    align-items: stretch;
  }

  .hero__actions .button,
  .cta-actions .button {
    width: 100%;
  }

  .hero__corner {
    display: none;
  }

  .hero__indicators {
    position: static;
    width: 100%;
    grid-template-columns: 1fr;
    margin-top: 12px;
  }

  .photo-composition,
  .solutions-grid,
  .tabs__panel,
  .process-list,
  .footer__grid,
  .form-grid,
  .benefits-list {
    grid-template-columns: 1fr;
  }

  .photo-composition__tall {
    transform: none;
  }

  .benefits-list article:nth-child(odd) {
    border-right: 0;
  }

  .benefits-list article {
    border-bottom: 1px solid var(--border);
  }

  .benefits-list article:last-child {
    border-bottom: 0;
  }

  .section {
    padding-block: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .button:hover,
  .solution-card:hover,
  .whatsapp-float:hover {
    transform: none;
  }
}
