/* ==========================================================================
   Deproclima — Design tokens (extraídos del export original del bundler)
   ========================================================================== */
:root {
  /* Brand primitives */
  --color-navy-900: #021624;
  --color-navy-800: #042233;
  --color-navy-700: #063350;
  --color-navy-600: #0a4a73;
  --color-navy-500: #136094;
  --color-navy-400: #2a7aad;
  --color-navy-200: #a3c4d8;
  --color-navy-100: #d4e5ef;
  --color-navy-50:  #edf4f8;

  --color-orange-600: #c94d1c;
  --color-orange-500: #e8622c;
  --color-orange-400: #ed7a4a;
  --color-orange-300: #f39a78;
  --color-orange-100: #fde5d8;
  --color-orange-50:  #fff4ef;

  --color-white: #ffffff;
  --color-black: #000000;

  --color-gray-900: #111318;
  --color-gray-700: #2e333d;
  --color-gray-500: #5a6172;
  --color-gray-300: #a8adb8;
  --color-gray-200: #d0d3db;
  --color-gray-50:  #f4f5f7;

  /* Semantic */
  --color-bg-base: var(--color-white);
  --color-bg-subtle: var(--color-gray-50);
  --color-bg-navy: var(--color-navy-800);
  --color-bg-navy-deep: var(--color-navy-900);
  --color-bg-accent: var(--color-orange-500);

  --color-text-primary: var(--color-navy-800);
  --color-text-body: var(--color-gray-700);
  --color-text-muted: var(--color-gray-500);
  --color-text-inverse: var(--color-white);
  --color-text-accent: var(--color-orange-500);

  --color-border: var(--color-gray-200);
  --color-border-strong: var(--color-gray-300);

  /* Typography */
  --font-sans: 'Rethink Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Mono', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5rem;
  --text-2xl:  1.875rem;
  --text-3xl:  2.25rem;
  --text-4xl:  3rem;
  --text-5xl:  3.75rem;

  --leading-tight: 1.2;
  --leading-snug:  1.35;
  --leading-base:  1.55;
  --leading-loose: 1.75;

  --tracking-tight: -0.02em;

  /* Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgb(4 34 51 / 0.08), 0 1px 2px -1px rgb(4 34 51 / 0.06);
  --shadow-md: 0 4px 12px 0 rgb(4 34 51 / 0.10), 0 2px 6px -2px rgb(4 34 51 / 0.07);
  --shadow-lg: 0 12px 32px 0 rgb(4 34 51 / 0.12), 0 4px 12px -4px rgb(4 34 51 / 0.08);
  --shadow-xl: 0 24px 48px 0 rgb(4 34 51 / 0.14), 0 8px 20px -6px rgb(4 34 51 / 0.10);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text-body);
  background: var(--color-bg-base);
  line-height: var(--leading-base);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }

.section-inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
}
@media (min-width: 768px) {
  .section-inner { padding-inline: 32px; }
}

.accent { color: var(--color-orange-500); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-orange-500);
  margin-bottom: 12px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-orange-500);
}
.eyebrow--light { color: var(--color-orange-400); }

.section-title {
  font-weight: 800;
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-tight);
  color: var(--color-navy-800);
  line-height: 1.15;
}
.section-title--light { color: var(--color-white); }
@media (min-width: 1024px) {
  .section-title { font-size: var(--text-4xl); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  padding: 12px 22px;
  transition: background var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out), transform var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn--accent {
  background: var(--color-orange-500);
  color: var(--color-white);
}
.btn--accent:hover { background: var(--color-orange-600); }
.btn--secondary {
  background: var(--color-navy-50);
  color: var(--color-navy-800);
}
.btn--secondary:hover { background: var(--color-navy-100); }
.btn--outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn--sm { padding: 8px 16px; font-size: var(--text-xs); }
.btn--lg { padding: 14px 28px; font-size: var(--text-base); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}
.badge--outline {
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.5);
}

/* ==========================================================================
   NAV
   ========================================================================== */
.nav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 400;
}
.nav__inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
@media (min-width: 768px) {
  .nav__inner { height: 80px; padding-inline: 32px; }
}
.nav__brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav__isotipo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: inline-block;
}
.nav__isotipo--sm { width: 26px; height: 26px; }
.nav__brandname {
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-navy-800);
}
.nav__links {
  display: none;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--duration-base);
}
.nav__links a:hover { color: var(--color-navy-800); }
.nav__cta { display: none; }
.nav__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 0;
}
.nav__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy-800);
  transition: transform var(--duration-base), opacity var(--duration-base);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1024px) {
  .nav__links {
    display: flex;
    position: static;
    flex-direction: row;
    background: none;
    box-shadow: none;
    padding: 0;
  }
  .nav__cta { display: inline-flex; }
  .nav__burger { display: none; }
}
@media (max-width: 1023px) {
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--color-border);
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: 12px 8px; text-align: center; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  background: var(--color-navy-800);
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: stretch;
}
.hero__bg-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-navy-900) 0%, var(--color-navy-700) 55%, var(--color-navy-500) 100%);
  opacity: 0.9;
}
.hero__bg-placeholder::after {
  content: 'PLACEHOLDER: foto real de instalación / sistema HVAC en sitio';
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.02em;
}
.hero__slides {
  position: relative;
  width: 100%;
  display: grid;
}
.hero__slide {
  grid-area: 1 / 1;
  display: flex;
  align-items: center;
  padding: 100px 24px 80px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease;
}
.hero__slide.is-active { opacity: 1; visibility: visible; }
@media (min-width: 768px) {
  .hero__slide { padding-inline: 32px; }
}
.hero__content {
  max-width: 680px;
  margin-inline: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
@media (min-width: 1024px) {
  .hero__content { margin-inline: 0; max-width: 640px; }
  .section-inner.hero__content { }
}
.hero__title {
  font-weight: 800;
  font-size: var(--text-3xl);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
}
@media (min-width: 768px) {
  .hero__title { font-size: var(--text-5xl); }
}
.hero__desc {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.75);
  max-width: 540px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero__stat { display: flex; flex-direction: column; gap: 2px; }
.hero__stat-value { font-weight: 800; font-size: var(--text-xl); color: var(--color-white); }
.hero__stat-label { font-size: var(--text-xs); color: rgba(255,255,255,0.55); }

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-base);
}
.hero__arrow:hover { background: rgba(255,255,255,0.2); }
.hero__arrow--prev { left: 16px; }
.hero__arrow--next { right: 16px; }
@media (min-width: 768px) {
  .hero__arrow { display: flex; }
}

.hero__dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}
.hero__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.3);
  border: none;
  padding: 0;
  transition: background var(--duration-base), width var(--duration-base);
}
.hero__dot.is-active { background: var(--color-orange-500); width: 26px; border-radius: var(--radius-full); }

/* ==========================================================================
   STATS STRIP
   ========================================================================== */
.stats-strip { background: var(--color-orange-500); }
.stats-strip__inner {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .stats-strip__inner { grid-template-columns: repeat(4, 1fr); padding-inline: 32px; }
}
.stats-strip__item {
  padding: 24px 16px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
@media (min-width: 768px) {
  .stats-strip__item { border-bottom: none; padding: 28px 24px; }
  .stats-strip__item:nth-child(4) { border-right: none; }
}
.stats-strip__item:nth-child(2n) { border-right: none; }
@media (min-width: 768px) {
  .stats-strip__item:nth-child(2n) { border-right: 1px solid rgba(255,255,255,0.2); }
  .stats-strip__item:nth-child(4) { border-right: none; }
}
.stats-strip__value {
  display: block;
  font-weight: 800;
  font-size: var(--text-2xl);
  color: var(--color-white);
  line-height: 1;
}
.stats-strip__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   SERVICES
   ========================================================================== */
.services { background: var(--color-white); padding: 64px 0; }
@media (min-width: 768px) { .services { padding: 80px 0; } }
.services__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.services__header .section-title { max-width: 480px; }
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--duration-base), transform var(--duration-base);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.service-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-orange-50);
  color: var(--color-orange-500);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card__tag {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-orange-500);
}
.service-card__title { font-weight: 700; font-size: var(--text-md); color: var(--color-navy-800); }
.service-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); flex: 1; }
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy-800);
  margin-top: 4px;
  transition: gap var(--duration-base), color var(--duration-base);
}
.service-card__link:hover { color: var(--color-orange-500); gap: 10px; }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about {
  background: var(--color-navy-800);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) { .about { padding: 80px 0; } }
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 1024px) {
  .about__grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}
.about__copy { display: flex; flex-direction: column; gap: 20px; }
.about__desc { font-size: var(--text-base); color: rgba(255,255,255,0.65); }
.about__checklist { display: flex; flex-direction: column; gap: 12px; padding-top: 8px; }
.about__checklist li { display: flex; align-items: center; gap: 10px; font-size: var(--text-sm); color: rgba(255,255,255,0.8); font-weight: 500; }
.check-bullet {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-orange-500);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about__cta { padding-top: 8px; }
.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.feature-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-card__icon { color: var(--color-orange-500); }
.feature-card__title { font-weight: 700; font-size: var(--text-base); color: var(--color-white); }
.feature-card__desc { font-size: var(--text-xs); color: rgba(255,255,255,0.55); line-height: 1.5; }

/* ==========================================================================
   CTA BANNER
   ========================================================================== */
.cta-banner {
  background: var(--color-orange-500);
  padding: 56px 0;
}
.cta-banner__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.cta-banner__heading {
  font-weight: 800;
  font-size: var(--text-2xl);
  color: var(--color-white);
  letter-spacing: var(--tracking-tight);
}
@media (min-width: 768px) {
  .cta-banner__heading { font-size: var(--text-3xl); }
}
.cta-banner__subtext { color: rgba(255,255,255,0.85); font-size: var(--text-base); max-width: 520px; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 8px; }
.cta-banner .btn--outline-light { border-color: rgba(255,255,255,0.6); }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact { background: var(--color-white); padding: 64px 0; }
@media (min-width: 768px) { .contact { padding: 80px 0; } }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 1024px) {
  .contact__grid { grid-template-columns: 1fr 1.5fr; gap: 80px; }
}
.contact__copy { display: flex; flex-direction: column; gap: 20px; }
.contact__desc { color: var(--color-text-muted); font-size: var(--text-base); }
.contact__info { display: flex; flex-direction: column; gap: 16px; padding-top: 8px; }
.contact__info-item { display: flex; align-items: center; gap: 12px; font-size: var(--text-sm); font-weight: 500; color: var(--color-text-body); }
.contact__info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-navy-50);
  color: var(--color-navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__form-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px 20px;
  box-shadow: var(--shadow-md);
}
@media (min-width: 768px) { .contact__form-wrap { padding: 40px; } }

.form { display: flex; flex-direction: column; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) {
  .form__row { grid-template-columns: 1fr 1fr; }
}
.form__field { display: flex; flex-direction: column; gap: 6px; }
.form__field label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-navy-800);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form__field input,
.form__field select,
.form__field textarea {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: 11px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-body);
  transition: border-color var(--duration-base);
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--color-orange-500);
}
.form__field textarea { resize: vertical; }
.form__submit-row { display: flex; justify-content: flex-end; }
.form__status {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy-800);
  min-height: 1.2em;
}
.form__status.is-success { color: #1a7a4e; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--color-navy-900); margin-top: auto; }
.footer__inner {
  padding-top: 48px;
  padding-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
}
.footer__brand { display: flex; flex-direction: column; gap: 14px; }
.footer__brandlink { display: flex; align-items: center; gap: 10px; }
.footer__brandname { font-weight: 800; font-size: var(--text-lg); color: var(--color-white); }
.footer__tagline { font-size: var(--text-xs); line-height: 1.7; color: rgba(255,255,255,0.45); max-width: 260px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__col-title {
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}
.footer__col a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  font-weight: 400;
  transition: color var(--duration-base);
}
.footer__col a:hover { color: var(--color-white); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__copyright { font-size: var(--text-xs); color: rgba(255,255,255,0.35); }
.footer__badges { display: flex; gap: 16px; flex-wrap: wrap; }