/* ============================================
   PROYECTO BARISTA — Design System
   ============================================ */

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

:root {
  /* Colors */
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #161616;
  --text-primary: #e8e0d8;
  --text-secondary: #a09890;
  --text-muted: #6a6260;
  --accent: #ff7700;
  /* Neon Orange */
  --accent-light: #ffaa44;
  --accent-dark: #cc5500;
  --neon-glow: rgba(255, 119, 0, 0.6);
  --border: #1a1614;
  --border-light: #2a2420;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-xxl: 10rem;

  /* Layout */
  --max-width: 720px;
  --max-width-wide: 960px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.8s ease;
}

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

body {
  font-family: var(--font-main);
  font-weight: var(--font-weight-regular);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

::selection {
  background: var(--accent-dark);
  color: var(--text-primary);
}


/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.75rem var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-normal);
  min-height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: filter var(--transition-normal), transform var(--transition-normal);
  /* slight drop-shadow to match the neon feel */
  filter: drop-shadow(0 0 6px rgba(200, 100, 30, 0.25));
}

.nav__logo:hover .nav__logo-img {
  filter: drop-shadow(0 0 12px rgba(220, 120, 40, 0.55));
  transform: scale(1.04);
}

.nav__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: var(--font-weight-regular);
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition-normal);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link--active {
  color: var(--accent);
}

.nav__link--active::after {
  width: 100%;
}

/* Neon Logo Effect */
.nav__logo--neon {
  font-weight: 700;
  color: #fff;
  text-shadow:
    0 0 7px #fff,
    0 0 10px #fff,
    0 0 21px #fff,
    0 0 42px var(--accent),
    0 0 82px var(--accent);
  transition: text-shadow var(--transition-normal);
}

.nav__logo:hover .nav__logo--neon {
  text-shadow:
    0 0 7px #fff,
    0 0 10px #fff,
    0 0 21px #fff,
    0 0 52px var(--accent),
    0 0 102px var(--accent);
}

/* Hamburger (mobile) */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -5px);
}


/* ============================================
   Page Layout
   ============================================ */

.page {
  padding-top: 68px;
  /* nav height */
}

.section {
  padding: var(--space-xl) var(--space-md);
}

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

.container--wide {
  max-width: var(--max-width-wide);
}


/* ============================================
   Hero (HOME)
   ============================================ */

.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

/* Logo in hero section */
.hero__logo {
  width: 200px;
  max-width: 55vw;
  height: auto;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(-16px);
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.1s;
  filter: drop-shadow(0 0 24px rgba(200, 110, 30, 0.45)) drop-shadow(0 0 60px rgba(180, 80, 10, 0.2));
  transition: filter var(--transition-normal), transform var(--transition-normal);
}

.hero__logo:hover {
  filter: drop-shadow(0 0 32px rgba(220, 130, 40, 0.7)) drop-shadow(0 0 80px rgba(200, 90, 20, 0.35));
  transform: scale(1.03);
}

.hero__tagline {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.25s;
}

/* Brand Logo Animations */
.brand-logo .sparks line,
.brand-logo .sparks path {
  animation: sparkPulse 4s infinite alternate ease-in-out;
}

@keyframes sparkPulse {
  0% {
    opacity: 0.3;
    transform: scale(0.95) rotate(-1deg);
  }

  100% {
    opacity: 0.8;
    transform: scale(1.05) rotate(1deg);
  }
}

.hero__logo-container {
  width: 220px;
  height: 220px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--border);
  box-shadow: 0 0 30px var(--neon-glow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__logo-container:hover {
  transform: scale(1.05);
  box-shadow: 0 0 50px var(--neon-glow);
}

.brand-logo {
  transform-origin: center;
  transition: transform var(--transition-normal);
}

/* Image-based Logo Support */
.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.18);
  /* Zoom in to align orange circles */
  transition: transform var(--transition-normal);
  display: block;
}

.hero__phrase {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: var(--font-weight-light);
  color: var(--text-primary);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.4s;
}

.hero__phrase em {
  color: var(--accent);
  font-style: normal;
  font-weight: var(--font-weight-semibold);
}

/* Logo Title Neon */
.hero__logo-text {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 0;
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.8),
    0 0 20px var(--accent),
    0 0 40px var(--accent),
    0 0 80px var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__logo-text span {
  display: block;
}

.hero__logo-text .barista {
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  margin-top: -0.1em;
}

.hero__tagline--neon {
  font-size: clamp(0.7rem, 2vw, 0.9rem);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px rgba(255, 119, 0, 0.5);
}

.hero__sub-tagline {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--text-secondary);
  opacity: 0.8;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Central Glow */
.hero::before {
  content: '';
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(255, 119, 0, 0.12) 0%, rgba(5, 5, 5, 0) 70%);
  z-index: -1;
  pointer-events: none;
}


/* ============================================
   Espresso Machine (SVG Interactive)
   ============================================ */

.machine-wrapper {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
  animation-delay: 0.8s;
}

.machine-svg {
  width: 100%;
  height: auto;
}

/* Clickable zones */
.machine-zone {
  cursor: pointer;
  transition: all var(--transition-normal);
}

.machine-zone:hover .machine-zone__shape {
  fill: var(--accent-dark);
  fill-opacity: 0.15;
}

.machine-zone__shape {
  fill: transparent;
  stroke: transparent;
  transition: all var(--transition-normal);
}

.machine-zone__label {
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  fill: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.machine-zone:hover .machine-zone__label {
  opacity: 1;
}

.machine-zone:hover .machine-zone__highlight {
  stroke: var(--accent);
  stroke-opacity: 0.6;
}

.machine-zone__highlight {
  stroke: transparent;
  stroke-width: 1.5;
  fill: none;
  transition: all var(--transition-normal);
}


/* ============================================
   "Para quién" section
   ============================================ */

.audience {
  padding: var(--space-xl) var(--space-md);
}

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

.audience__col h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  font-weight: var(--font-weight-semibold);
}

.audience__col.audience__col--yes h3 {
  color: var(--accent);
}

.audience__col ul {
  list-style: none;
}

.audience__col li {
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--border);
}

.audience__col li:last-child {
  border-bottom: none;
}


/* ============================================
   Page Headers
   ============================================ */

.page-header {
  padding: var(--space-xxl) var(--space-md) var(--space-lg);
  text-align: center;
}

.page-header__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: var(--font-weight-light);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.page-header__subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: var(--font-weight-light);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.page-header__line {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: var(--space-md) auto 0;
}


/* ============================================
   Stages (El Camino)
   ============================================ */

.stages {
  padding: 0 var(--space-md) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.stage {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

.stage.visible {
  opacity: 1;
  transform: translateY(0);
}

.stage:last-child {
  border-bottom: none;
}

.stage__number {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-semibold);
}

.stage__title {
  font-size: 1.6rem;
  font-weight: var(--font-weight-light);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.stage__body {
  margin-bottom: var(--space-md);
}

.stage__body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.stage__body p:last-child {
  margin-bottom: 0;
}

.stage__error {
  padding: var(--space-sm);
  border-left: 2px solid var(--accent-dark);
  background: rgba(200, 149, 108, 0.04);
  margin-bottom: var(--space-md);
}

.stage__error-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-dark);
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-semibold);
}

.stage__error p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.stage__link {
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stage__link::after {
  content: ' →';
}

.stage-separator {
  width: 100%;
  max-width: var(--max-width);
  margin: var(--space-xl) auto;
  overflow: hidden;
  border-radius: 4px;
  /* Un toque sutil para que encaje con el lenguaje visual */
  background: var(--bg-secondary);
}

.stage-separator__image {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
  transition: opacity var(--transition-slow);
}

.stage-separator:hover .stage-separator__image {
  opacity: 0.8;
}


/* ============================================
   Criterio (Editorial Index)
   ============================================ */

.criterio-grid {
  padding: 0 var(--space-md) var(--space-xl);
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.nudo-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 0;
  /* Remove padding to handle image full width */
  text-decoration: none;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* Ensure image corners are rounded if card has border-radius */
}

.nudo-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nudo-card__image-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #111;
  overflow: hidden;
  position: relative;
}

.nudo-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
  opacity: 0.7;
  /* Moody look */
}

.nudo-card:hover .nudo-card__image {
  transform: scale(1.05);
  opacity: 1;
}

.nudo-card__content {
  padding: var(--space-lg);
  flex-grow: 1;
}

.nudo-card__title {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: var(--space-sm);
}

.nudo-card:hover .nudo-card__title {
  color: var(--accent);
}

.nudo-card__excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.nudo-card__arrow {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
}

.nudo-card:hover .nudo-card__arrow {
  color: var(--accent);
}


/* ============================================
   Article pages
   ============================================ */

.article {
  padding: 0 var(--space-md) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.article h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: var(--font-weight-light);
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-lg);
  padding-top: var(--space-xxl);
}

.article h2 {
  font-size: 1.3rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.article p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: var(--space-sm);
}

.article blockquote {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
}

.article blockquote p {
  color: var(--text-primary);
  font-style: italic;
  font-weight: var(--font-weight-light);
}

.article__nav {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.article__nav a {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-weight-semibold);
}

.article__nav a::before {
  content: '← ';
}


/* ============================================
   About page
   ============================================ */

.about {
  padding: 0 var(--space-md) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.about__block {
  margin-bottom: var(--space-lg);
}

.about__block h2 {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about__block p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: var(--space-sm);
}

.about__block a {
  font-weight: var(--font-weight-semibold);
}


/* ============================================
   Footer
   ============================================ */

.footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.footer__link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-weight-semibold);
}

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

.footer__copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}


/* ============================================
   Scroll animations
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


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

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-xxl: 6rem;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    transition: right var(--transition-normal);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__link {
    font-size: 1.1rem;
  }

  .nav__hamburger {
    display: flex;
    z-index: 101;
  }

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

  .machine-wrapper {
    max-width: 320px;
  }

  .hero__logo {
    width: 160px;
  }

  .hero__phrase {
    font-size: 1rem;
  }

  .article__nav {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  :root {
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;
  }

  .machine-wrapper {
    max-width: 260px;
  }

  .machine-zone__label {
    font-size: 9px;
  }
}