:root {
  --bg: #090909;
  --bg-top: #0e0e0e;
  --bg-mid: #090909;
  --bg-bottom: #111111;
  --bg-glow: rgba(255, 122, 0, 0.16);
  --bg-soft: #121212;
  --panel: rgba(19, 19, 19, 0.82);
  --panel-strong: #161616;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f6f3ee;
  --muted: #b6b1a8;
  --accent: #ff7a00;
  --accent-soft: #ffb066;
  --shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4efe7;
    --bg-top: #faf6f0;
    --bg-mid: #f3ede4;
    --bg-bottom: #e8dfd2;
    --bg-glow: rgba(255, 122, 0, 0.08);
    --bg-soft: #fffaf4;
    --panel: rgba(255, 255, 255, 0.82);
    --panel-strong: #fffdf9;
    --line: rgba(39, 28, 13, 0.1);
    --text: #1c1712;
    --muted: #63584a;
    --shadow: 0 25px 70px rgba(80, 58, 29, 0.12);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light dark;
  background:
    radial-gradient(circle at top, var(--bg-glow), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 42%, var(--bg-bottom) 100%);
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top, var(--bg-glow), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 42%, var(--bg-bottom) 100%);
  color: var(--text);
  width: 100%;
  overflow-x: clip;
  position: relative;
}

body.menu-open {
  overflow: hidden;
}

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

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

.site-shell {
  min-height: 100vh;
}

.topo {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 18px auto 0;
  padding: 14px 18px;
  background: color-mix(in srgb, var(--bg-soft) 72%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo {
  width: 62px;
  height: 62px;
  object-fit: contain;
  filter: drop-shadow(0 0 24px rgba(255, 122, 0, 0.18));
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-nav a {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 0.95rem;
  border-radius: 999px;
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-cta {
  border: 1px solid rgba(255, 122, 0, 0.45);
  color: var(--accent-soft) !important;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

.hero {
  position: relative;
  min-height: calc(100vh - 120px);
  margin-top: 24px;
  padding: 56px clamp(22px, 4vw, 46px);
  border-radius: 36px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-home {
  display: grid;
  align-items: end;
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: auto 4% 6% auto;
  width: min(38vw, 420px);
  aspect-ratio: 1;
  background: url("hidrostart-full.svg") center/contain no-repeat;
  opacity: 0.08;
  filter: drop-shadow(0 0 50px rgba(255, 122, 0, 0.16));
  z-index: 0;
  pointer-events: none;
}

.video-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.video-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(115deg, rgba(9, 9, 9, 0.88) 18%, rgba(9, 9, 9, 0.62) 48%, rgba(9, 9, 9, 0.92) 100%),
    radial-gradient(circle at 75% 35%, rgba(255, 122, 0, 0.28), transparent 22%);
}

@media (prefers-color-scheme: light) {
  .hero-overlay {
    background:
      linear-gradient(115deg, rgba(250, 246, 240, 0.9) 18%, rgba(250, 246, 240, 0.58) 48%, rgba(250, 246, 240, 0.88) 100%),
      radial-gradient(circle at 75% 35%, rgba(255, 122, 0, 0.16), transparent 22%);
  }

  .main-nav a:hover,
  .main-nav a.is-active,
  .btn-secondary {
    background: rgba(28, 23, 18, 0.05);
  }
}

.hero-grid,
.page-hero,
.stats-panel,
.section,
.footer {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr;
  gap: 28px;
  align-items: end;
}

.hero-copy,
.hero-card,
.page-hero,
.stats-panel,
.service-card,
.info-card,
.feature-card,
.bullet-card,
.contact-card,
.cta-band {
  backdrop-filter: blur(10px);
}

.hero-copy h1,
.page-hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-lead,
.page-hero p,
.section-heading p,
.info-card p,
.service-card p,
.feature-card p,
.contact-card p,
.stats-panel span,
.footer p {
  color: var(--muted);
}

.hero-lead {
  max-width: 58ch;
  font-size: 1.02rem;
  line-height: 1.75;
  margin: 22px 0 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-soft);
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #ff9a32 100%);
  color: #111;
  box-shadow: 0 14px 34px rgba(255, 122, 0, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-card,
.page-hero,
.stats-panel,
.service-card,
.info-card,
.feature-card,
.bullet-card,
.contact-card,
.cta-band {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 122, 0, 0.14);
  color: var(--accent-soft);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-card h2 {
  margin: 18px 0 16px;
  font-size: 1.6rem;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(255, 122, 0, 0.6);
}

.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 24px 0 0;
  padding: 22px;
  border-radius: var(--radius-lg);
}

.stats-panel article {
  padding: 10px;
}

.stats-panel strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1rem;
}

.section {
  padding: 92px 0 0;
}

.section-dark {
  margin-top: 28px;
  padding: 34px;
  border-radius: 34px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h2,
.cta-band h2,
.contact-card h2,
.service-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.06;
}

.process-section {
  padding-top: 76px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-step {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.process-step span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent-soft);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.process-step h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.card-grid,
.bullet-grid {
  display: grid;
  gap: 20px;
}

.card-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.service-card,
.feature-card,
.bullet-card,
.contact-card {
  padding: 26px;
  border-radius: var(--radius-md);
}

.info-card h3,
.feature-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.info-card:hover,
.service-card:hover,
.feature-card:hover,
.bullet-card:hover,
.contact-card:hover {
  border-color: rgba(255, 122, 0, 0.32);
  transform: translateY(-4px);
}

.two-column,
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

.feature-stack,
.bullet-grid {
  display: grid;
  gap: 20px;
}

.bullet-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.bullet-card {
  text-align: center;
  font-weight: 700;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 92px 0 0;
  padding: 28px 30px;
  border-radius: var(--radius-lg);
}

.page-hero {
  margin-top: 24px;
  padding: 48px;
  border-radius: 34px;
}

.page-hero h1 {
  max-width: 13ch;
  font-size: clamp(2.2rem, 4.2vw, 4.1rem);
}

.page-hero p:last-child {
  max-width: 62ch;
  margin-bottom: 0;
}

.formulario {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.formulario label {
  display: grid;
  gap: 9px;
}

.formulario span,
.contact-item span {
  color: var(--accent-soft);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.formulario input,
.formulario textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.formulario input::placeholder,
.formulario textarea::placeholder {
  color: var(--muted);
  opacity: 0.9;
}

.formulario input:focus,
.formulario textarea:focus {
  border-color: rgba(255, 122, 0, 0.4);
  box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.08);
}

.formulario textarea {
  min-height: 190px;
  resize: vertical;
}

.contact-card-heading {
  margin-bottom: 24px;
}

.contact-card-heading h2 {
  margin-bottom: 10px;
}

.contact-card-heading p:last-child {
  margin: 0;
  max-width: 52ch;
  line-height: 1.65;
}

@media (prefers-color-scheme: light) {
  .formulario input,
  .formulario textarea {
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(39, 28, 13, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  }

  .formulario input:hover,
  .formulario textarea:hover {
    border-color: rgba(255, 122, 0, 0.22);
  }

  .formulario input:focus,
  .formulario textarea:focus {
    border-color: rgba(255, 122, 0, 0.42);
    box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.1);
  }
}

.form-feedback {
  min-height: 24px;
  margin: 0;
  color: var(--accent-soft);
}

.contact-info {
  display: grid;
  gap: 18px;
}

.popup-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 5, 5, 0.72);
  backdrop-filter: blur(10px);
}

.popup-backdrop[hidden] {
  display: none;
}

.popup-card {
  width: min(100%, 540px);
  padding: 30px;
  border-radius: 24px;
  background: rgba(18, 18, 18, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.popup-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.popup-card p:last-of-type {
  margin-bottom: 24px;
}

.contact-item p {
  margin: 8px 0 0;
}

.footer {
  display: grid;
  grid-template-columns: 1.25fr 1fr 0.75fr 0.75fr;
  gap: 24px;
  align-items: start;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 92px auto 22px;
  padding: 28px 8px 14px;
  border-top: 1px solid var(--line);
}

.footer strong {
  display: inline-block;
  margin-bottom: 6px;
}

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

.footer-col h3 {
  margin: 0 0 4px;
  color: var(--accent-soft);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-col p,
.footer-col a,
.footer-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

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

.footer-copy {
  grid-column: 1 / -1;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.whatsapp-float {
  position: fixed;
  inset: auto 22px 22px auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 16px 0 10px;
  width: max-content;
  max-width: min(220px, calc(100dvw - 28px));
  border-radius: 999px;
  background: linear-gradient(135deg, #19c37d 0%, #139f67 100%);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 18px 40px rgba(25, 195, 125, 0.32);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
  contain: layout paint;
  transform: translateZ(0);
}

.whatsapp-icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 0.92rem;
  font-weight: 900;
}

.whatsapp-label {
  line-height: 1;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 48px rgba(25, 195, 125, 0.4);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-delay {
  transition-delay: 0.15s;
}

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

@media (max-width: 1080px) {
  .hero-grid,
  .two-column,
  .contact-layout,
  .card-grid-4,
  .bullet-grid,
  .process-grid,
  .footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-copy h1,
  .page-hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 820px) {
  .topo {
    border-radius: 28px;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

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

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

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

  .main-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    display: grid;
    gap: 8px;
    padding: 14px;
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .main-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero,
  .page-hero,
  .section-dark {
    border-radius: 28px;
  }

  .hero-grid,
  .two-column,
  .contact-layout,
  .card-grid-2,
  .card-grid-4,
  .bullet-grid,
  .process-grid,
  .stats-panel,
  .form-grid,
  .footer,
  .cta-band {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    min-height: auto;
    padding-top: 110px;
  }

  .page-hero,
  .hero-card,
  .stats-panel,
  .service-card,
  .info-card,
  .feature-card,
  .bullet-card,
  .contact-card,
  .cta-band {
    padding: 22px;
  }
}

@media (max-width: 560px) {
  .topo,
  main,
  .footer {
    width: min(calc(100% - 18px), var(--max-width));
  }

  .whatsapp-float {
    inset: auto 14px 14px auto;
    min-height: 50px;
    padding: 0;
    width: 50px;
    max-width: 50px;
  }

  .whatsapp-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .whatsapp-icon {
    width: 100%;
    height: 100%;
    background: transparent;
  }

  .brand-copy span {
    letter-spacing: 0.1em;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: clamp(2rem, 12vw, 3.2rem);
  }
}