/* ============================================
   Marcos Pela Tuning - Landing
   Arquitectura: Mobile First
   ============================================ */

/* Variables */
:root {
  --color-bg: #0f0f0f;
  --color-surface: #1a1a1a;
  --color-surface-2: #252525;
  --color-text: #e8e8e8;
  --color-text-muted: #9a9a9a;
  --color-accent: #25d366;
  --color-accent-hover: #20bd5a;
  --color-primary: #e63946;
  --color-primary-hover: #d62d3a;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
}

/* Reset y base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Utilidades */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}

.section-lead {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  max-width: 40ch;
}

/* Botón WhatsApp flotante - siempre visible */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-accent);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
  text-decoration: none;
  color: #fff;
}

.whatsapp-float:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.whatsapp-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.whatsapp-text {
  display: none;
}

@media (min-width: 480px) {
  .whatsapp-text {
    display: inline;
  }
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-surface-2);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-decoration: none;
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-text);
  text-decoration: none;
}

.logo__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo__sub {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  border-radius: var(--radius);
}

.nav-toggle:hover {
  background-color: var(--color-surface-2);
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: currentColor;
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: var(--color-bg);
  padding: 5rem var(--space-md) var(--space-lg);
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition), opacity var(--transition);
}

.nav.is-open {
  visibility: visible;
  opacity: 1;
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: 1.25rem;
}

.nav__list a {
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-sm) 0;
  display: block;
  border-bottom: 1px solid var(--color-surface-2);
}

.nav__list a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    position: static;
    padding: 0;
    background: none;
    visibility: visible;
    opacity: 1;
  }

  .nav__list {
    flex-direction: row;
    gap: var(--space-lg);
    font-size: 1rem;
  }

  .nav__list a {
    border: none;
    padding: var(--space-xs) 0;
  }
}

/* Hero */
.hero {
  display: flex;
  flex-direction: column;
  min-height: 70vh;
  padding: var(--space-xl) var(--space-md);
}

.hero__content {
  flex: 1;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
}

.hero__lead {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
  font-size: 1.1rem;
  max-width: 42ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero__image {
  margin-top: var(--space-lg);
}

.hero__placeholder {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-surface) 100%);
  border-radius: var(--radius-lg);
}

@media (min-width: 768px) {
  .hero {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2xl);
    padding: var(--space-2xl) var(--space-lg);
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__image {
    margin-top: 0;
    flex: 0 0 45%;
  }

  .hero__placeholder {
    aspect-ratio: 4/3;
  }
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

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

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  text-decoration: none;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: #fff;
  text-decoration: none;
}

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

/* Servicios */
.services {
  padding: var(--space-2xl) 0;
  background-color: var(--color-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.service-card {
  background-color: var(--color-surface-2);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-card__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
}

.service-card__text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (min-width: 480px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Galería */
.gallery {
  padding: var(--space-2xl) 0;
}

.gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.gallery__item {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-2);
}

.gallery__item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

@media (min-width: 480px) {
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .gallery__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery__item img {
    height: 200px;
  }
}

/* Contacto */
.contact {
  padding: var(--space-2xl) 0;
  background-color: var(--color-surface);
}

.contact__layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.contact__form-block {
  flex: 1;
}

.contact__info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__card {
  background-color: var(--color-surface-2);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.contact__card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}

.contact__hours dt {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

.contact__hours dt:first-child {
  margin-top: 0;
}

.contact__hours dd {
  margin: 0;
  color: var(--color-text);
}

.contact__list a {
  color: var(--color-text);
  text-decoration: none;
}

.contact__list a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.contact__map-wrapper {
  margin-top: var(--space-xl);
}

.contact__map-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}

.contact__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-2);
}

.contact__map iframe {
  display: block;
  width: 100%;
  min-height: 280px;
}

@media (min-width: 768px) {
  .contact__layout {
    flex-direction: row;
  }

  .contact__form-block {
    flex: 1;
  }

  .contact__info-block {
    flex: 0 0 320px;
  }
}

/* Formulario */
.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

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

.form__input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-surface-2);
  border: 1px solid transparent;
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder {
  color: var(--color-text-muted);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
}

.form__input.form__input--error {
  border-color: var(--color-primary);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-surface-2);
}

.footer__copy {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
}