/* ============================================
   APESSS Software Solutions - Estilos
   ============================================ */

/* --- Partículas de fondo (toda la app) --- */
.bg-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* --- Variables --- */
:root {
  --color-primary: #047857;
  --color-primary-light: #059669;
  --color-accent: #34d399;
  --color-accent-hover: #10b981;
  --color-dark: #064e3b;
  --color-text: #1a1a2e;
  --color-text-muted: #3d4f5f;
  --color-bg: #f8faf8;
  --color-bg-alt: #e8f0ec;
  --color-white: #ffffff;
  --font-primary: 'JetBrains Mono', monospace;
  --font-body: 'Geist', system-ui, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.35s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 2px 8px rgba(4, 78, 59, 0.08);
  --shadow-md: 0 4px 20px rgba(4, 78, 59, 0.1);
  --shadow-lg: 0 8px 40px rgba(4, 78, 59, 0.14);
  --color-error: #f87171;
  --color-error-bg: rgba(248, 113, 113, 0.12);
}

/* --- Modal resultado contacto --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.modal--open {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

.modal__box {
  position: relative;
  width: 100%;
  max-width: 26rem;
  padding: 2rem 2rem 2.25rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.35s ease;
}

.modal__box--exito {
  background: linear-gradient(145deg, #000000 0%, #0a0a0a 100%);
  border: 1px solid rgba(52, 211, 153, 0.35);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(52, 211, 153, 0.1);
}

.modal__box--error {
  background: linear-gradient(145deg, #1f0d0d 0%, #2a1414 100%);
  border: 1px solid rgba(248, 113, 113, 0.3);
  box-shadow: 0 8px 40px rgba(120, 40, 40, 0.2), 0 0 0 1px rgba(248, 113, 113, 0.08);
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal__box--exito .modal__icon {
  color: var(--color-accent);
  background: rgba(52, 211, 153, 0.15);
}

.modal__box--error .modal__icon {
  color: var(--color-error);
  background: var(--color-error-bg);
}

.modal__icon svg {
  width: 2.25rem;
  height: 2.25rem;
}

.modal__title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.modal__text {
  font-size: 1rem;
  line-height: 1.6;
  color: #b8c5d4;
  margin-bottom: 1.5rem;
  padding: 0 0.5rem;
}

.modal__btn {
  min-width: 10rem;
}

.modal__btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.35);
}

.modal--open .modal__box {
  outline: none;
}

/* --- Spinner envío contacto --- */
.contacto__spinner-overlay {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

body.is-submitting-contacto .contacto__spinner-overlay {
  opacity: 1;
  visibility: visible;
}

.contacto__spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 2rem 2.5rem;
  border-radius: 1rem;
  background: radial-gradient(circle at top, #0a0a0a 0%, #000000 55%, #000000 100%);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.5);
}

.contacto__spinner-circle {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 3px solid rgba(52, 211, 153, 0.2);
  border-top-color: var(--color-accent);
  animation: contactoSpinner 0.8s linear infinite;
}

.contacto__spinner-text {
  font-size: 0.98rem;
  color: #e5f5ee;
}

@keyframes contactoSpinner {
  to {
    transform: rotate(360deg);
  }
}

.btn--loading {
  position: relative;
  cursor: default;
  opacity: 0.8;
}


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

html {
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: #000000;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

ul {
  list-style: none;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 1.5rem;
  background: #000000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  transition: background var(--transition-medium), box-shadow var(--transition-medium);
}

.header__container {
  max-width: 75rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.5rem;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.header__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.header__toggle-bar {
  width: 24px;
  height: 2px;
  background: #e8e8e8;
  border-radius: 2px;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

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

.header__toggle.active .header__toggle-bar:nth-child(2) {
  opacity: 0;
}

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

.header__nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 20rem;
  height: 100vh;
  background: #000000;
  padding: 5rem 2rem 2rem;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
  transform: translateX(100%);
  transition: transform var(--transition-medium);
}

.header__nav.is-open {
  transform: translateX(0);
}

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

.header__nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-weight: 500;
  color: #c8c8c8;
  border-radius: 0.5rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.header__nav-link:hover,
.header__nav-link.active {
  background: rgba(52, 211, 153, 0.15);
  color: #ffffff;
}

/* --- Main --- */
.main {
  position: relative;
  z-index: 0;
}

/* --- Sections base --- */
.section {
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 1.5rem 3rem;
  position: relative;
}

.section__inner {
  max-width: 75rem;
  margin: 0 auto;
  width: 100%;
}

.section__title {
  font-family: var(--font-primary);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

/* --- Hero --- */
.section--hero {
  padding: 0;
  justify-content: center;
  align-items: center;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  z-index: 0;
  display: block;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem 4rem;
  max-width: 36rem;
  margin: 38vh auto 0;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__brand {
  display: block;
  font-family: var(--font-primary);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero__subtitle {
  display: block;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  color: var(--color-accent);
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
}

.hero__tagline {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: #ffffff;
  margin: 0 0 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.hero__description {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(232, 238, 244, 0.92);
  margin: 0 auto 2.25rem;
  max-width: 28rem;
  line-height: 1.75;
}

.hero__cta {
  display: inline-block;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #b8c5d4;
  font-size: 0.875rem;
  z-index: 1;
}

.hero__scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid #b8c5d4;
  border-bottom: 2px solid #b8c5d4;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: background var(--transition-medium), transform var(--transition-fast), box-shadow var(--transition-medium);
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Servicios --- */
.section--servicios {
  background: #000000;
}

.section--servicios .section__title {
  color: #ffffff;
}

.section--servicios .section__subtitle {
  color: #b8c5d4;
}

.servicios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.servicio-card {
  background: rgba(255, 255, 255, 0.06);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium), border-color var(--transition-medium);
}

.servicio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(52, 211, 153, 0.35);
}

.servicio-card__icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.servicio-card__icon svg {
  width: 100%;
  height: 100%;
}

.servicio-card__title {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.servicio-card__text {
  color: #b8c5d4;
  font-size: 0.95rem;
  line-height: 1.65;
}

.servicios__visual {
  max-width: 64rem;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.servicios__visual--single {
  grid-template-columns: 1fr;
}

.servicios__visual-item {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #000000;
}

.servicios__visual img {
  width: 100%;
  height: 260px;
  display: block;
  object-fit: cover;
}

@media (max-width: 60rem) {
  .servicios__visual:not(.servicios__visual--single) {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 40rem) {
  .servicios__visual:not(.servicios__visual--single) {
    grid-template-columns: 1fr;
  }
  .servicios__visual img {
    height: 200px;
  }
}

.servicios__grid {
  max-width: 64rem;
  margin: 0 auto;
}

/* --- Proceso --- */
.section--proceso {
  background: #000000;
}

.section--proceso .section__title {
  color: #ffffff;
}

.section--proceso .section__subtitle {
  color: #b8c5d4;
}

.proceso__timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  max-width: 56rem;
  margin: 0 auto;
}

.proceso__step {
  display: grid;
  grid-template-columns: minmax(0, 14rem) 3.5rem 1fr;
  gap: 1.5rem;
  align-items: center;
}

.proceso__step-visual {
  margin: 0;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.proceso__step-visual img {
  width: 100%;
  height: 10rem;
  object-fit: cover;
  display: block;
}

.proceso__step-number {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 0.5rem;
}

.proceso__step-content h3 {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.proceso__step-content p {
  color: #b8c5d4;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- Beneficios --- */
.section--beneficios {
  background: #000000;
}

.section--beneficios .section__title {
  color: #ffffff;
}

.section--beneficios .section__subtitle {
  color: #b8c5d4;
}

.beneficios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.beneficio-item {
  text-align: center;
  padding: 2rem 1.5rem;
}

.beneficio-item__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.25rem;
  color: var(--color-accent);
}

.beneficio-item__icon svg {
  width: 100%;
  height: 100%;
}

.beneficio-item h3 {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.beneficio-item p {
  color: #b8c5d4;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- Contacto --- */
.section--contacto {
  background: #000000;
  color: var(--color-white);
}

.section--contacto .section__title,
.section--contacto .section__subtitle {
  color: #ffffff;
}

.section--contacto .section__subtitle {
  color: #e8eef4;
}

.contacto__resolver-title,
.contacto__resolver-subtitle {
  min-height: 1.2em;
}

.section--contacto .section__inner {
  max-width: 100%;
  width: 100%;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.contacto__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  width: 100%;
  max-width: 52rem;
  margin: 0 auto;
}

.contacto__info {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
}

.contacto__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contacto__label {
  font-size: 0.875rem;
  color: #b8c5d4;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.contacto__item-icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contacto__item-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contacto__item a {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
}

.contacto__item a:hover {
  color: var(--color-accent-hover);
}

.contacto__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
}

.contacto__form-row {
  display: grid;
  gap: 1rem;
}

.contacto__form-row--half {
  grid-template-columns: 1fr 1fr;
}

.contacto__form-row--full {
  grid-template-columns: 1fr;
}

.contacto__form-row--submit {
  margin-top: 0.5rem;
}

.contacto__form input,
.contacto__form textarea {
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  width: 100%;
}

.contacto__form input::placeholder,
.contacto__form textarea::placeholder {
  color: #9ca8b8;
}

.contacto__form input:focus,
.contacto__form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.25);
}

.contacto__form textarea {
  resize: vertical;
  min-height: 8rem;
}

@media (max-width: 36rem) {
  .contacto__form-row--half {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 48rem) {
  .contacto__content {
    grid-template-columns: 1fr;
    max-width: 56rem;
  }
}

/* --- Footer --- */
.footer {
  background: #000000;
  color: #b8c5d4;
  padding: 1.5rem;
  text-align: center;
  scroll-snap-align: start;
}

.footer__inner {
  max-width: 75rem;
  margin: 0 auto;
}

.footer p {
  font-size: 0.875rem;
}

/* --- Animations --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll[data-delay="1"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="2"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="3"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="4"] { transition-delay: 0.4s; }

/* Hero initial animation */
.section--hero .animate-on-scroll {
  opacity: 0;
  transform: translateY(1.5rem);
}

.section--hero .animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive: sm (576px) --- */
@media (min-width: 36rem) {
  .servicios__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* --- Responsive: md (768px) --- */
@media (min-width: 48rem) {
  .header__toggle {
    display: none;
  }

  .header__nav {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    padding: 0;
    background: transparent;
    box-shadow: none;
    transform: none;
  }

  .header__nav-list {
    flex-direction: row;
    gap: 0.25rem;
  }

  .header__nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
  }

}

/* --- Proceso: móvil (imagen arriba, número + texto abajo) --- */
@media (max-width: 40rem) {
  .proceso__step {
    grid-template-columns: 3.5rem 1fr;
    grid-template-rows: auto auto;
  }

  .proceso__step-visual {
    grid-column: 1 / -1;
  }

  .proceso__step-visual img {
    height: 12rem;
  }
}

/* --- Responsive: lg (992px) --- */
@media (min-width: 62rem) {
  .servicios__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .beneficios__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Responsive: xl (1200px) --- */
@media (min-width: 75rem) {
  .section {
    padding: 6rem 2rem 4rem;
  }
}