/* =============================================
   Aura Electric — Identidad corporativa
   Colores: #0A192F · #0077B6 · #00B4D8 · #F0FAFC
   Tipografía: Montserrat (titulares) + Inter (cuerpo)
   ============================================= */

@font-face {
  font-family: 'Montserrat';
  src: url('../assets/fonts/Montserrat-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Montserrat';
  src: url('../assets/fonts/Montserrat-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Montserrat';
  src: url('../assets/fonts/Montserrat-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Montserrat';
  src: url('../assets/fonts/Montserrat-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #0A192F;
  --navy-light: #112240;
  --navy-lighter: #1a2f4d;
  --blue: #0077B6;
  --cyan: #00B4D8;
  --cyan-glow: rgba(0, 180, 216, 0.25);
  --cloud: #F0FAFC;
  --cloud-muted: #A5B1BC;
  --white: #ffffff;

  --font-heading: 'Montserrat', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.25s ease;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--cloud);
  background-color: var(--navy);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--transition);
}

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

ul {
  list-style: none;
}

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

.text-accent {
  color: var(--cyan);
}

/* Top accent bar */
.top-bar {
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
}

/* Header */
.header {
  position: fixed;
  top: 3px;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 25, 47, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 180, 216, 0.12);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  gap: 2rem;
}

.nav__list a {
  color: var(--cloud);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-family: var(--font-heading);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cloud);
  border-radius: 2px;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--cyan);
  color: var(--navy);
  border-color: var(--cyan);
}

.btn--primary:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--navy);
}

.btn--outline {
  background: transparent;
  color: var(--cloud);
  border-color: rgba(240, 250, 252, 0.3);
}

.btn--outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.78rem;
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 0.9rem;
}

.btn--full {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__pattern {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: min(450px, 50vw);
  opacity: 0.6;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.hero__text {
  font-size: 1.1rem;
  color: var(--cloud-muted);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.hero__badges li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--cloud-muted);
}

.hero__badges svg {
  color: var(--cyan);
  flex-shrink: 0;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__card {
  background: var(--navy-light);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.hero__card-icon svg {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
}

.hero__card-stat {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__card-label {
  color: var(--cloud-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* Section headers */
.section-header {
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-header__text {
  margin-inline: auto;
}

.section-header__eyebrow {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.section-header__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.section-header__text {
  color: var(--cloud-muted);
  max-width: 600px;
  font-size: 1.05rem;
}

/* Services */
.services {
  padding: 6rem 0;
  background: var(--navy-light);
  border-top: 1px solid rgba(0, 180, 216, 0.08);
  border-bottom: 1px solid rgba(0, 180, 216, 0.08);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--navy);
  border: 1px solid rgba(0, 180, 216, 0.12);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 180, 216, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.service-card--highlight {
  background: linear-gradient(135deg, rgba(0, 119, 182, 0.15), rgba(0, 180, 216, 0.08));
  border-color: rgba(0, 180, 216, 0.3);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.1);
  border-radius: 10px;
  margin-bottom: 1.25rem;
  color: var(--cyan);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.service-card p {
  color: var(--cloud-muted);
  font-size: 0.925rem;
  line-height: 1.65;
}

.service-card__link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.875rem;
}

/* About */
.about {
  padding: 6rem 0;
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__text {
  color: var(--cloud-muted);
  font-size: 1.05rem;
  margin: 1.25rem 0 2rem;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about__features li {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.about__feature-num {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  padding-top: 0.2rem;
}

.about__features strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.about__features p {
  color: var(--cloud-muted);
  font-size: 0.9rem;
}

.about__card {
  background: var(--navy-light);
  border: 1px solid rgba(0, 180, 216, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
}

.about__card-line {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.about__card blockquote {
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--cloud);
  margin-bottom: 1.25rem;
}

.about__card cite {
  font-size: 0.85rem;
  color: var(--cyan);
  font-style: normal;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* CTA */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
}

.cta__inner {
  text-align: center;
}

.cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.cta p {
  color: rgba(10, 25, 47, 0.75);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-inline: auto;
}

.cta .btn--primary {
  background: var(--navy);
  color: var(--cloud);
  border-color: var(--navy);
}

.cta .btn--primary:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--navy);
}

/* Contact */
.contact {
  padding: 6rem 0;
  background: var(--navy-light);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact__item-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.1);
  border-radius: 10px;
  color: var(--cyan);
}

.contact__item-icon svg {
  width: 20px;
  height: 20px;
}

.contact__item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.contact__item a,
.contact__item span {
  color: var(--cloud-muted);
  font-size: 0.95rem;
}

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

.contact__form {
  background: var(--navy);
  border: 1px solid rgba(0, 180, 216, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cloud-muted);
  margin-bottom: 0.4rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--navy-light);
  border: 1px solid rgba(0, 180, 216, 0.15);
  border-radius: 8px;
  color: var(--cloud);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: rgba(165, 177, 188, 0.5);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--cyan);
}

.form-row select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300B4D8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-row select option {
  background: var(--navy);
}

.form-row textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row--hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.925rem;
  margin-bottom: 1.25rem;
}

.form-status--success {
  background: rgba(0, 180, 216, 0.12);
  border: 1px solid rgba(0, 180, 216, 0.35);
  color: var(--cloud);
}

.form-status--error {
  background: rgba(235, 87, 87, 0.12);
  border: 1px solid rgba(235, 87, 87, 0.35);
  color: #ffb4b4;
}

.contact__form [type="submit"]:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Footer */
.footer {
  border-top: 1px solid rgba(0, 180, 216, 0.1);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding: 3rem 0;
}

.footer__brand p {
  color: var(--cloud-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 280px;
}

.footer__brand img {
  height: 36px;
  width: auto;
  opacity: 0.9;
}

.footer__links h4 {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  color: var(--cloud-muted);
  font-size: 0.9rem;
}

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

.footer__bottom {
  border-top: 1px solid rgba(0, 180, 216, 0.08);
  padding: 1.25rem 0;
}

.footer__bottom p {
  color: var(--cloud-muted);
  font-size: 0.82rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .hero__inner,
  .about__inner,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
  }

  .hero__pattern {
    opacity: 0.3;
    right: -20%;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 3px);
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid rgba(0, 180, 216, 0.15);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

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

  .nav__list {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    text-align: center;
  }

  .nav__cta {
    width: 100%;
  }

  .nav-toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__brand p {
    margin-inline: auto;
  }
}