/* ============================================
   SERANA EXPERIENCIAS — Design tokens
   Mismo universo visual que serana.food
   ============================================ */
:root {
  --serana-cream: #FEFADF;
  --serana-olive: #5F6C37;
  --serana-forest: #273617;
  --serana-ochre: #DCA15D;
  --serana-terracotta: #BC6C25;

  --font-sans: "Montserrat", system-ui, sans-serif;
  --font-serif: "Playfair Display", Georgia, serif;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--serana-cream);
  color: var(--serana-forest);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}
@media (pointer: coarse) { body { cursor: auto; } }

a, button, input, select, textarea, label { cursor: none; }
@media (pointer: coarse) {
  a, button, input, select, textarea, label { cursor: pointer; }
}

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; line-height: 1.1; letter-spacing: -0.01em; }
em { font-family: var(--font-serif); font-style: italic; font-weight: 400; }

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

::selection { background: var(--serana-ochre); color: var(--serana-forest); }

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--serana-terracotta);
  border-radius: 50%;
  transition: width 0.25s var(--ease), height 0.25s var(--ease), background 0.25s var(--ease);
}
.cursor-ring {
  width: 32px; height: 32px;
  border: 1.5px solid var(--serana-forest);
  border-radius: 50%;
  transition: width 0.3s var(--ease), height 0.3s var(--ease), border-color 0.3s var(--ease);
}
.cursor-dot.is-hover { width: 0; height: 0; }
.cursor-ring.is-hover { width: 56px; height: 56px; border-color: var(--serana-terracotta); background: rgba(188, 108, 37, 0.08); }
@media (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 3rem;
  transition: background 0.3s var(--ease), padding 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}
.nav.is-scrolled {
  background: rgba(254, 250, 223, 0.85);
  backdrop-filter: blur(12px);
  padding: 0.7rem 3rem;
  border-bottom: 1px solid rgba(39, 54, 23, 0.08);
}
.nav.is-scrolled .nav-logo-img { height: 64px; }
.nav-logo svg, .nav-logo-img { transition: transform 0.4s var(--ease); }
.nav-logo-img { height: 90px; width: auto; display: block; }
.nav-logo { order: 0; margin-left: 4rem; }
.nav-logo:hover svg, .nav-logo:hover .nav-logo-img { transform: rotate(-6deg) scale(1.05); }
.nav-links { display: flex; align-items: center; gap: 2.5rem; list-style: none; order: 1; margin-left: auto; }
.nav-links a {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em;
  color: var(--serana-forest); text-decoration: none; position: relative;
  padding: 0.5rem 0; transition: color 0.25s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  height: 1px; width: 0; background: var(--serana-terracotta);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--serana-terracotta); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { color: var(--serana-terracotta) !important; font-weight: 700 !important; }
.nav-burger { display: none; background: none; border: 0; flex-direction: column; gap: 4px; padding: 0.5rem; }
.nav-burger span { display: block; width: 24px; height: 1.5px; background: var(--serana-forest); transition: transform 0.3s var(--ease); }
@media (max-width: 900px) {
  .nav { padding: 1.2rem 1.5rem; }
  .nav.is-scrolled { padding: 0.7rem 1.5rem; }
  .nav.is-scrolled .nav-logo-img { height: 56px; }
  .nav-logo-img { height: 72px; }
  .nav-logo { margin-left: 2rem; }
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed; inset: 0; background: var(--serana-cream);
    flex-direction: column; justify-content: center; gap: 2rem;
    transform: translateX(100%); transition: transform 0.4s var(--ease);
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { font-size: 1rem; }
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 8rem 2rem; position: relative; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-cream { background: var(--serana-cream); color: var(--serana-forest); }
.section-forest { background: var(--serana-forest); color: var(--serana-cream); }
.section-olive { background: var(--serana-olive); color: var(--serana-cream); }
.section-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--serana-terracotta);
  margin-bottom: 1.5rem;
}
.eyebrow-light { color: var(--serana-ochre); }
.section-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 400;
  margin-bottom: 4rem;
  max-width: 18ch;
}
.title-light { color: var(--serana-cream); }
.text-olive { color: var(--serana-olive); }
.text-ochre { color: var(--serana-ochre); }
.section-sub { font-size: 1.1rem; max-width: 50ch; margin-bottom: 3rem; opacity: 0.85; }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100svh; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding: 6rem 2rem 2rem;
  background: linear-gradient(180deg, var(--serana-cream) 0%, #e9e6c8 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.45;
  animation: float 18s ease-in-out infinite;
}
.hero-orb-1 { width: 480px; height: 480px; background: var(--serana-ochre); top: -120px; right: -100px; }
.hero-orb-2 { width: 380px; height: 380px; background: var(--serana-olive); bottom: -100px; left: -120px; animation-delay: -6s; }
.hero-orb-3 { width: 280px; height: 280px; background: var(--serana-terracotta); top: 40%; left: 30%; animation-delay: -12s; opacity: 0.25; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-30px, 40px) scale(0.95); }
}
.hero-content { position: relative; z-index: 2; max-width: 1100px; text-align: center; }
.hero-eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.3em;
  color: var(--serana-terracotta); margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.02; font-weight: 400;
  margin-bottom: 2rem;
}
.hero-title-italic { font-style: italic; color: var(--serana-olive); }
.hero-sub {
  font-size: 1.1rem; max-width: 52ch; margin: 0 auto 2.5rem;
  color: rgba(39, 54, 23, 0.85);
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.25em; color: var(--serana-olive);
}
.hero-scroll-line {
  width: 1px; height: 50px; background: var(--serana-olive);
  position: relative; overflow: hidden;
}
.hero-scroll-line::after {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 30%;
  background: var(--serana-cream);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(330%); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 1.8rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; text-decoration: none;
  border: 1.5px solid transparent; border-radius: 999px;
  transition: all 0.3s var(--ease);
  background: transparent;
}
.btn-primary { background: var(--serana-forest); color: var(--serana-cream); }
.btn-primary:hover { background: var(--serana-terracotta); transform: translateY(-2px); box-shadow: 0 20px 40px -20px rgba(39, 54, 23, 0.4); }
.btn-ghost { border-color: var(--serana-forest); color: var(--serana-forest); }
.btn-ghost:hover { background: var(--serana-forest); color: var(--serana-cream); }
.section-forest .btn-ghost, .section-olive .btn-ghost { border-color: var(--serana-cream); color: var(--serana-cream); }
.section-forest .btn-ghost:hover, .section-olive .btn-ghost:hover { background: var(--serana-cream); color: var(--serana-forest); }
.section-forest .btn-primary, .section-olive .btn-primary { background: var(--serana-cream); color: var(--serana-forest); }
.section-forest .btn-primary:hover, .section-olive .btn-primary:hover { background: var(--serana-ochre); color: var(--serana-forest); }
.btn-large { padding: 1.2rem 2.4rem; font-size: 0.85rem; }

/* ============================================
   FILOSOFÍA
   ============================================ */
.filosofia-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem; margin-top: 2rem;
}
.filosofia-card {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(39, 54, 23, 0.1);
  border-radius: 1.5rem; padding: 2.5rem 2rem;
  transition: all 0.4s var(--ease);
}
.filosofia-card:hover {
  background: rgba(255, 255, 255, 0.85);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -25px rgba(39, 54, 23, 0.2);
}
.filosofia-num {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--serana-terracotta); margin-bottom: 1rem;
}
.filosofia-card h3 { font-size: 1.6rem; margin-bottom: 0.8rem; }
.filosofia-card p { font-size: 0.95rem; opacity: 0.85; }

/* ============================================
   LÍNEAS
   ============================================ */
.lineas-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; margin-top: 2rem;
}
.linea-card {
  background: rgba(254, 250, 223, 0.04);
  border: 1px solid rgba(254, 250, 223, 0.12);
  border-radius: 1.5rem; padding: 2.5rem 2rem;
  transition: all 0.4s var(--ease);
  position: relative; overflow: hidden;
}
.linea-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--serana-ochre), var(--serana-terracotta));
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease);
}
.linea-card:hover { background: rgba(254, 250, 223, 0.08); transform: translateY(-4px); }
.linea-card:hover::before { transform: scaleX(1); }
.linea-num {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--serana-ochre); margin-bottom: 1rem;
}
.linea-card h3 { font-size: 1.8rem; margin-bottom: 0.8rem; color: var(--serana-cream); }
.linea-card p { font-size: 0.95rem; opacity: 0.8; margin-bottom: 1.5rem; }
.linea-link {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--serana-ochre);
  transition: gap 0.3s var(--ease);
}

/* ============================================
   HERRAMIENTAS (details)
   ============================================ */
.herramientas-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  max-width: 800px; margin: 2rem auto 0;
}
.herramienta {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(39, 54, 23, 0.1);
  border-radius: 1rem; padding: 1.5rem 2rem;
  transition: background 0.3s var(--ease);
}
.herramienta[open] { background: rgba(255, 255, 255, 0.85); }
.herramienta summary {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-serif); font-size: 1.4rem; font-weight: 500;
  list-style: none; cursor: pointer;
}
.herramienta summary::-webkit-details-marker { display: none; }
.herramienta-icon { color: var(--serana-terracotta); font-size: 0.8rem; }
.herramienta-title { flex: 1; }
.herramienta-arrow {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--serana-forest);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
  font-size: 0.9rem; font-family: var(--font-sans);
}
.herramienta[open] .herramienta-arrow { transform: rotate(45deg); background: var(--serana-forest); color: var(--serana-cream); }
.herramienta ul {
  list-style: none; padding: 1.5rem 0 0 1.5rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.5rem;
}
.herramienta li {
  font-size: 0.95rem; padding-left: 1rem; position: relative; opacity: 0.85;
}
.herramienta li::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 6px; height: 1px; background: var(--serana-terracotta);
}

/* ============================================
   FORMATO
   ============================================ */
.formato-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem; margin-top: 2rem;
}
.formato-card {
  background: rgba(254, 250, 223, 0.06);
  border: 1px solid rgba(254, 250, 223, 0.12);
  border-radius: 1.5rem; padding: 2rem;
  transition: transform 0.4s var(--ease);
}
.formato-card:hover { transform: translateY(-4px); }
.formato-time {
  font-family: var(--font-serif); font-size: 2.5rem; font-weight: 500;
  color: var(--serana-ochre); margin-bottom: 1rem;
  font-style: italic;
}
.formato-card h3 { font-size: 1.3rem; margin-bottom: 0.8rem; color: var(--serana-cream); }
.formato-card p { font-size: 0.9rem; opacity: 0.8; }

/* ============================================
   QUIZ
   ============================================ */
.section-quiz { background: linear-gradient(180deg, var(--serana-cream) 0%, #f3efce 100%); }
.quiz-card {
  max-width: 720px; margin: 0 auto;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(39, 54, 23, 0.1);
  border-radius: 2rem; padding: 3rem 2.5rem;
  box-shadow: 0 40px 80px -40px rgba(39, 54, 23, 0.25);
}
.quiz-progress {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 2.5rem;
}
.quiz-progress-bar {
  flex: 1; height: 2px; background: rgba(39, 54, 23, 0.1);
  position: relative; overflow: hidden; border-radius: 2px;
}
.quiz-progress-bar::after {
  content: ""; position: absolute; top: 0; left: 0; height: 100%;
  width: var(--progress, 25%); background: var(--serana-terracotta);
  transition: width 0.6s var(--ease);
}
.quiz-progress-text {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em;
  color: var(--serana-forest); min-width: 50px; text-align: right;
}
.quiz-stage { min-height: 320px; }
.quiz-question { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 500; margin-bottom: 2rem; line-height: 1.3; }
.quiz-options { display: grid; gap: 0.8rem; }
.quiz-option {
  background: transparent;
  border: 1.5px solid rgba(39, 54, 23, 0.2);
  border-radius: 1rem; padding: 1.2rem 1.5rem;
  font-size: 0.95rem; font-weight: 500;
  text-align: left;
  transition: all 0.3s var(--ease);
  display: flex; align-items: center; gap: 0.8rem;
  color: var(--serana-forest);
  font-family: var(--font-sans);
}
.quiz-option:hover { border-color: var(--serana-forest); background: rgba(39, 54, 23, 0.04); transform: translateX(4px); }
.quiz-option .opt-letter {
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid currentColor; display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; flex-shrink: 0;
}
.quiz-result { text-align: center; padding: 1rem 0; }
.quiz-result-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--serana-terracotta); margin-bottom: 1rem;
}
.quiz-result-title {
  font-family: var(--font-serif); font-size: 2.4rem; font-weight: 500;
  margin-bottom: 1rem; line-height: 1.2;
}
.quiz-result-desc { font-size: 1.05rem; margin-bottom: 2rem; max-width: 50ch; margin-left: auto; margin-right: auto; opacity: 0.85; }
.quiz-result-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ============================================
   EJEMPLOS
   ============================================ */
.ejemplos-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem; margin-top: 2rem;
}
.ejemplo { color: var(--serana-cream); }
.ejemplo-img {
  aspect-ratio: 4/3; border-radius: 1.5rem; margin-bottom: 1.5rem;
  background-size: cover; background-position: center;
  transition: transform 0.5s var(--ease);
}
.ejemplo:hover .ejemplo-img { transform: scale(1.02); }
.ejemplo-img-1 {
  background-image: linear-gradient(135deg, rgba(95, 108, 55, 0.5), rgba(39, 54, 23, 0.7)),
    radial-gradient(circle at 30% 30%, var(--serana-ochre), var(--serana-forest));
}
.ejemplo-img-2 {
  background-image: linear-gradient(135deg, rgba(220, 161, 93, 0.4), rgba(39, 54, 23, 0.7)),
    radial-gradient(circle at 70% 60%, var(--serana-terracotta), var(--serana-olive));
}
.ejemplo-img-3 {
  background-image: linear-gradient(135deg, rgba(188, 108, 37, 0.4), rgba(95, 108, 55, 0.7)),
    radial-gradient(circle at 50% 50%, var(--serana-cream), var(--serana-forest));
}
.ejemplo h3 { font-size: 1.6rem; margin-bottom: 0.8rem; }
.ejemplo p { font-size: 0.95rem; opacity: 0.85; }

/* ============================================
   CONTACTO
   ============================================ */
.section-contacto { padding-bottom: 10rem; }
.form { max-width: 720px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; }
.form-field label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--serana-forest); margin-bottom: 0.5rem;
}
.form-field input, .form-field select, .form-field textarea {
  background: rgba(255, 255, 255, 0.6);
  border: 1.5px solid rgba(39, 54, 23, 0.15);
  border-radius: 0.75rem; padding: 1rem 1.2rem;
  font-family: var(--font-sans); font-size: 0.95rem;
  color: var(--serana-forest);
  transition: all 0.3s var(--ease);
  resize: vertical;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--serana-forest);
  background: rgba(255, 255, 255, 0.9);
}
.form-field input::placeholder, .form-field textarea::placeholder {
  color: rgba(39, 54, 23, 0.4);
}
.form button[type="submit"] { margin-top: 1rem; width: 100%; }
.form-status { margin-top: 1rem; text-align: center; font-size: 0.9rem; min-height: 1.5rem; }
.form-status.is-success { color: var(--serana-olive); font-weight: 600; }
.form-status.is-error { color: var(--serana-terracotta); font-weight: 600; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--serana-forest); color: var(--serana-cream);
  padding: 4rem 2rem 2rem;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-mark {
  font-family: var(--font-serif); font-size: 2.5rem; font-weight: 500;
  margin-bottom: 0.5rem; letter-spacing: 0.05em;
}
.footer-tag { font-size: 0.9rem; opacity: 0.7; margin-bottom: 2.5rem; }
.footer-links {
  display: flex; gap: 2rem; flex-wrap: wrap;
  margin-bottom: 3rem; padding-bottom: 2rem;
  border-bottom: 1px solid rgba(254, 250, 223, 0.15);
}
.footer-links a {
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.1em;
  color: var(--serana-cream); text-decoration: none;
  transition: color 0.25s var(--ease);
}
.footer-links a:hover { color: var(--serana-ochre); }
.footer-copy { font-size: 0.75rem; opacity: 0.5; letter-spacing: 0.1em; }

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--serana-cream); }
::-webkit-scrollbar-thumb { background: var(--serana-olive); border: 2px solid var(--serana-cream); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--serana-forest); }