/* =====================================================
   AUTOMATI-ZA — styles.css
   Fuentes: Playfair Display (títulos) / Open Sans (cuerpo)
   Color principal: #005eff
   ===================================================== */

/* =====================
   Variables
   ===================== */
:root {
  --color-primary:       #005eff;
  --color-primary-dark:  #0047cc;
  --color-primary-light: #e6efff;
  --color-black:         #0a0a0a;
  --color-dark:          #1a1a1a;
  --color-white:         #ffffff;
  --color-gray-dark:     #333333;
  --color-gray:          #666666;
  --color-gray-light:    #999999;
  --color-gray-border:   #e5e5e5;
  --color-bg:            #f8f9fb;

  --font-title: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:  'Open Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-max:     1200px;
  --container-padding: 1.5rem;

  --radius:    8px;
  --radius-lg: 16px;

  --shadow:       0 2px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 40px rgba(0, 94, 255, 0.12);

  --transition: 0.25s ease;

  --nav-height: 72px;
}

/* =====================
   Reset & Base
   ===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-black);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

/* =====================
   Accessibility
   ===================== */
.skip-link {
  position: absolute;
  top: -60px;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s;
  white-space: nowrap;
}

.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 3px;
}

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

/* =====================
   Utility
   ===================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: 6rem 0;
}

.section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section__title {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-black);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.075rem;
  color: var(--color-gray);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =====================
   Buttons
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 94, 255, 0.3);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-gray-border);
}

.btn--ghost:hover {
  border-color: var(--color-dark);
  transform: translateY(-2px);
}

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

.btn--white:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

/* =====================
   Header / Nav
   ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-gray-border);
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav__logo img {
  height: 34px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-dark);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after {
  width: 100%;
}

.nav__link--cta {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  transition: background-color var(--transition), transform var(--transition);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* Hamburger button */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}

.nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-black);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.nav__toggle.open .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.open .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle.open .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile overlay */
.nav__overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 90;
  opacity: 0;
  transition: opacity var(--transition);
}

.nav__overlay.active {
  opacity: 1;
}

/* =====================
   Hero
   ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 75% 35%, rgba(0, 94, 255, 0.07) 0%, transparent 65%),
    radial-gradient(ellipse 45% 45% at 25% 75%, rgba(0, 94, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 750px;
  padding-top: 4rem;
  padding-bottom: 6rem;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 1.75rem;
}

.hero__tag::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-black);
  margin-bottom: 1.5rem;
}

.hero__title--accent {
  color: var(--color-primary);
}

.hero__description {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-gray);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 560px;
}

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

/* =====================
   About / Quiénes somos
   ===================== */
.about {
  background-color: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5rem;
  align-items: center;
}

.about__text {
  font-size: 1.05rem;
  color: var(--color-gray-dark);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about__text strong {
  color: var(--color-primary);
  font-weight: 600;
}

.about__values {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.about__value {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-dark);
}

.about__value-icon {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1rem;
  margin-top: 1px;
  flex-shrink: 0;
}

.about__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about__icon-wrapper {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

/* =====================
   Services
   ===================== */
.services {
  background-color: var(--color-white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 94, 255, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.service-card__title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.service-card__description {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* CTA card */
.service-card--cta {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-card--cta:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 8px 40px rgba(0, 94, 255, 0.25);
}

.service-card--cta .service-card__title {
  color: var(--color-white);
}

.service-card--cta .service-card__description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.75rem;
}

/* =====================
   Contact
   ===================== */
.contact {
  background-color: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 5rem;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.contact__item-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gray-light);
}

.contact__item-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-dark);
}

a.contact__item-value {
  color: var(--color-primary);
  transition: color var(--transition);
}

a.contact__item-value:hover {
  color: var(--color-primary-dark);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

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

.form__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-dark);
}

.form__required {
  color: var(--color-primary);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--color-gray-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-black);
  background-color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 94, 255, 0.1);
}

.form__input.error,
.form__textarea.error {
  border-color: #dc2626;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-light);
}

.form__textarea {
  resize: vertical;
  min-height: 140px;
}

.form__error {
  font-size: 0.8rem;
  color: #dc2626;
  min-height: 1.1em;
}

.form__footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form__privacy {
  font-size: 0.8rem;
  color: var(--color-gray-light);
  line-height: 1.5;
}

.form__success {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background-color: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  color: #16a34a;
}

.form__success[hidden] {
  display: none;
}

/* =====================
   Footer
   ===================== */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-top: 4rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand a {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer__brand img {
  filter: brightness(0) invert(1);
}

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.5;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer__nav a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

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

.footer__contact-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 0.5rem;
}

.footer__contact a {
  font-size: 0.9rem;
  color: var(--color-primary);
  transition: opacity var(--transition);
}

.footer__contact a:hover {
  opacity: 0.8;
}

.footer__bottom {
  padding: 1.5rem 0;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.25);
  text-align: center;
}

/* =====================
   Responsive — 1024px
   ===================== */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid {
    grid-template-columns: 1fr 280px;
    gap: 3.5rem;
  }

  .about__icon-wrapper {
    width: 240px;
    height: 240px;
  }
}

/* =====================
   Responsive — 768px
   ===================== */
@media (max-width: 768px) {
  :root {
    --container-padding: 1.25rem;
  }

  .section {
    padding: 4.5rem 0;
  }

  .section__header {
    margin-bottom: 3rem;
  }

  /* Nav mobile */
  .nav__toggle {
    display: flex;
  }

  .nav__overlay {
    display: block;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 80vw);
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 2.5rem 2rem;
    gap: 1.75rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.1);
    z-index: 95;
  }

  .nav__menu.active {
    transform: translateX(0);
  }

  .nav__link {
    font-size: 1.1rem;
  }

  .nav__link--cta {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  /* Hero */
  .hero__content {
    padding-top: 3rem;
    padding-bottom: 5rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    align-self: stretch;
    justify-content: center;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about__visual {
    order: -1;
  }

  .about__icon-wrapper {
    width: 200px;
    height: 200px;
    padding: 2.5rem;
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact__info {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .contact__item {
    min-width: 140px;
  }

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

  /* Footer */
  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* =====================
   Responsive — 480px
   ===================== */
@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .about__icon-wrapper {
    width: 160px;
    height: 160px;
    padding: 2rem;
  }

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

  .contact__info {
    flex-direction: column;
  }
}