/* ================================
   PaHoy Landing Page Styles
   ================================ */

/* === Custom Properties === */
:root {
  /* Paleta principal */
  --color-primary: #A31D3F;
  --color-primary-light: #C4294F;
  --color-primary-dark: #821732;
  --color-border: #DECBA0;
  --color-icons: #99826E;

  /* Neutros */
  --color-bg: #FFFFFF;
  --color-bg-alt: #FDF9F4;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-white: #FFFFFF;
  --color-dark: #111827;

  /* Tipografía */
  --font-primary: 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Segoe UI', system-ui, sans-serif;

  /* Layout tokens */
  --max-width: 1200px;
  --section-padding: 5rem 1.5rem;
  --section-padding-mobile: 3rem 1rem;
  --border-radius: 12px;
  --card-radius: 16px;

  /* Animation tokens */
  --transition-base: 0.3s ease;
  --animation-duration: 0.6s;
  --animation-delay-step: 0.1s;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;
}

/* === CSS Reset / Base Styles === */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

button {
  font: inherit;
  cursor: pointer;
}

/* === Skip Link (Accessibility) === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  font-weight: 600;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 0;
}

/* === Site Header & Navigation === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

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

.nav__logo {
  height: 40px;
  width: auto;
}

.nav__list {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: var(--space-sm) 0;
}

.nav__list.open {
  display: flex;
}

.nav__list li a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-base), background var(--transition-base);
}

.nav__list li a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav__list li a:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: -3px;
}

/* Hamburger Toggle */
.nav__toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-text);
  margin: 4px 0;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* === Desktop Navigation (768px+) === */
@media (min-width: 768px) {
  .nav__list {
    display: flex;
    flex-direction: row;
    position: static;
    box-shadow: none;
    padding: 0;
    gap: var(--space-md);
  }

  .nav__list li a {
    padding: var(--space-xs) var(--space-sm);
  }

  .nav__list li a:hover {
    background: transparent;
  }

  .nav__toggle {
    display: none;
  }
}

/* === General Section & Container Styles === */
section {
  padding: var(--section-padding-mobile);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

section h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

@media (min-width: 768px) {
  section {
    padding: var(--section-padding);
  }

  section h2 {
    font-size: 2.5rem;
  }
}

/* === Hero Section === */
.hero {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  background-color: var(--color-primary);
}

.hero__logo {
  max-width: 200px;
  width: 100%;
  margin: 0 auto var(--space-lg);
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-white);
  line-height: 1.3;
  max-width: 700px;
}

.hero__tagline .accent {
  color: var(--color-border);
}

/* Hero load animation */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.hero--loaded {
  animation: heroFadeIn var(--animation-duration) ease forwards;
}

@media (min-width: 768px) {
  .hero__logo {
    max-width: 250px;
  }

  .hero__tagline {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .hero__tagline {
    font-size: 3rem;
  }
}

/* === About Section === */
.about {
  background: var(--color-bg-alt);
  text-align: center;
  padding: var(--section-padding-mobile);
}

.about h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.about p {
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
  color: var(--color-text-light);
  font-size: 1.1rem;
}

@media (min-width: 768px) {
  .about {
    padding: var(--section-padding);
  }

  .about h2 {
    font-size: 2.5rem;
  }
}

/* === How It Works Section === */
.how-it-works {
  text-align: center;
  background: var(--color-white);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.step-card {
  text-align: center;
  padding: var(--space-lg);
}

.step-card__number {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-icons);
  color: var(--color-white);
  font-weight: bold;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.step-card__title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.step-card__description {
  color: var(--color-text-light);
}

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

  .step-card {
    flex: 1;
  }
}

/* === Values Section === */
.values {
  background: var(--color-primary);
  padding: var(--section-padding-mobile);
}

.values h2 {
  color: var(--color-white);
}

@media (min-width: 768px) {
  .values {
    padding: var(--section-padding);
  }
}

.values .cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.value-card {
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  border: 2px solid var(--color-border);
  text-align: center;
  background: var(--color-white);
}

.value-card__title {
  font-weight: 600;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .values .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .values .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* === Team Section === */
.team {
  background: var(--color-bg-alt);
}

.team .cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--card-radius);
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.team-card:hover,
.scroll-animate.visible .team-card.scroll-child:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.team-card__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
}

.team-card__name {
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-sm);
}

.team-card__role {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .team .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .team .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* === CTA Section === */
.cta {
  text-align: center;
  background: var(--color-white);
}

.cta h2 {
  font-size: 2rem;
}

.cta p {
  margin: var(--space-md) 0 var(--space-lg);
  color: var(--color-text-light);
}

.btn-primary {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-base),
              transform var(--transition-base);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

@media (min-width: 768px) {
  .cta h2 {
    font-size: 2.5rem;
  }
}

/* === Site Footer === */
.site-footer {
  background: var(--color-dark);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.footer__logo {
  height: 30px;
  margin: 0 auto var(--space-sm);
}

.site-footer p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* === Scroll Animation System === */

/* Base state: hidden, translated down */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--animation-duration) ease,
              transform var(--animation-duration) ease;
}

/* Revealed state (added by IntersectionObserver) */
.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll children base state */
.scroll-child {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--animation-duration) ease,
              transform var(--animation-duration) ease;
}

/* Children revealed when parent is visible */
.scroll-animate.visible .scroll-child {
  opacity: 1;
  transform: translateY(0);
}

/* After animation, allow component-specific transitions (e.g. hover effects) */
.scroll-animate.visible .team-card.scroll-child {
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

/* Staggered transition delays for children */
.scroll-animate.visible .scroll-child:nth-child(1) { transition-delay: 0s; }
.scroll-animate.visible .scroll-child:nth-child(2) { transition-delay: 0.1s; }
.scroll-animate.visible .scroll-child:nth-child(3) { transition-delay: 0.15s; }
.scroll-animate.visible .scroll-child:nth-child(4) { transition-delay: 0.2s; }
.scroll-animate.visible .scroll-child:nth-child(5) { transition-delay: 0.25s; }
.scroll-animate.visible .scroll-child:nth-child(6) { transition-delay: 0.3s; }

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .scroll-animate {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-child {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-animate.visible .scroll-child {
    transition-delay: 0s;
    transition: none;
  }
}

/* No-JS fallback: show all content when JS is disabled */
.no-js .scroll-animate {
  opacity: 1;
  transform: none;
}

.no-js .scroll-child {
  opacity: 1;
  transform: none;
}

/* === Responsive Breakpoints === */

/* Prevent horizontal overflow at smallest viewport (320px) */
html,
body {
  overflow-x: hidden;
}

img,
.section-container {
  max-width: 100%;
}

/* Tablet: 768px */
@media (min-width: 768px) {
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .steps-container {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
  }
}

/* Desktop: 1024px */
@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  section h2 {
    font-size: 2.75rem;
  }

  .about p {
    font-size: 1.2rem;
  }
}

/* Wide desktop: 1280px max-width comfort */
@media (min-width: 1280px) {
  .section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}