/* ============================================================
   Mekal — Custom Reveal.js Theme
   Matches the live product aesthetic (Geist + warm off-white + orange accent)
   ============================================================ */

:root {
  --color-primary: #ce6912;
  --color-primary-hover: #b55a0f;
  --color-primary-light: #fdf4ec;
  --color-text: #161515;
  --color-text-secondary: #6d6b68;
  --color-surface: #f8f7f5;
  --color-border: #e9e6e2;
  --color-border-dark: #e1ddd9;
  --color-btn: #41403e;
  --color-accent-teal: #2d7f8d;

  --shadow-card: 0px 0px 7px 0px rgba(63, 64, 64, 0.08);
  --radius: 8px;
  --radius-lg: 12px;
}

/* ---------- Reveal base overrides ---------- */

html, body {
  background: var(--color-surface);
  color: var(--color-text);
  font-family: 'Geist', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.reveal {
  font-family: 'Geist', system-ui, sans-serif;
  font-size: 24px;
  color: var(--color-text);
}

.reveal .slides {
  text-align: left;
}

.reveal .slides > section,
.reveal .slides > section > section {
  padding: 0;
  line-height: 1.4;
}

.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: 'Geist', system-ui, sans-serif;
  color: var(--color-text);
  text-transform: none;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 0;
  line-height: 1.1;
}

.reveal h1 { font-size: 4rem; font-weight: 700; letter-spacing: -0.035em; }
.reveal h2 { font-size: 2.8rem; font-weight: 600; letter-spacing: -0.025em; }
.reveal h3 { font-size: 1.8rem; font-weight: 500; }
.reveal p { font-size: 1.15rem; line-height: 1.55; color: var(--color-text); margin: 0; }

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

.reveal .controls { color: var(--color-primary); }
.reveal .progress { color: var(--color-primary); height: 3px; }
.reveal .progress span { background: var(--color-primary); }

/* ---------- Slide layout shell ---------- */

.slide {
  width: 100%;
  height: 100vh;
  padding: 80px 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.slide--tight { padding: 60px 80px; }
.slide--full  { padding: 0; }

/* Persistent small brand logo — top-left on every content slide (not portada) */
.brand-mark {
  position: absolute;
  top: 40px;
  left: 60px;
  height: 22px;
  width: auto;
  opacity: 0.82;
  z-index: 10;
}

/* Page number bottom right */
.page-num {
  position: absolute;
  bottom: 36px;
  right: 60px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

.page-num strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Small mekal mark bottom-left */
.mark {
  position: absolute;
  bottom: 32px;
  left: 60px;
  height: 18px;
  width: auto;
  opacity: 0.55;
}

/* ---------- Accent utilities ---------- */

.accent { color: var(--color-primary); }
.muted  { color: var(--color-text-secondary); }
.rule {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border: none;
  margin: 0 0 28px 0;
}

.kicker {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

/* ---------- Portada (slide 0) ---------- */

.portada {
  background: #161515;
  color: #fff;
  padding: 0;
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.portada__bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=2000&q=80');
  background-size: cover;
  background-position: center;
  filter: grayscale(0.3) brightness(0.5);
}

.portada__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(22,21,21,0.55) 0%,
    rgba(22,21,21,0.75) 60%,
    rgba(22,21,21,0.92) 100%);
}

.portada__content {
  position: relative;
  z-index: 2;
  padding: 100px 100px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.portada__logo {
  width: 260px;
  height: auto;
  opacity: 0.96;
}

.portada__middle { }

.reveal .portada__tagline {
  font-size: 4.2rem;
  font-weight: 600;
  line-height: 1.05;
  color: #ffffff;
  letter-spacing: -0.03em;
  max-width: 1100px;
  text-shadow: 0 2px 18px rgba(0,0,0,0.35);
  text-transform: none;
}

.reveal .portada__tagline .accent { color: var(--color-primary); }

.reveal .portada__sub {
  margin-top: 28px;
  font-size: 1.3rem;
  color: #f2efe9;
  max-width: 720px;
  line-height: 1.5;
  font-weight: 300;
  text-shadow: 0 1px 10px rgba(0,0,0,0.35);
}

.portada__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 22px;
}

/* ---------- Slide 1: tres preguntas ---------- */

.questions-slide__intro {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.question-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
  position: relative;
  overflow: hidden;
}

/* Image-backed question card (used on slide 1 and cierre) */
.question-card--img {
  background-size: cover;
  background-position: center;
  padding: 0;
  border: none;
}

.question-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(22,21,21,0.10) 0%,
    rgba(22,21,21,0.55) 55%,
    rgba(22,21,21,0.88) 100%);
}

.question-card__content {
  position: relative;
  z-index: 1;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  min-height: 320px;
}

.question-card--img .question-card__num {
  color: #f4b26d;
}

.question-card--img .question-card__text {
  color: #ffffff;
}

.question-card--img .question-card__text .accent {
  color: #f5b97a;
  font-weight: 600;
}

.question-card__num {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.question-card__text {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.question-card__text .accent { color: var(--color-primary); font-weight: 600; }

.thesis {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  font-size: 1.3rem;
  color: var(--color-text);
  font-weight: 500;
}

.thesis .accent { font-weight: 600; }

/* ---------- Slide 2: seis estaciones (merged) ---------- */

.viaje-slide__title {
  font-size: 3.2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.viaje-slide__title .accent { color: var(--color-primary); }

.viaje-slide__sub {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  max-width: 900px;
}

.loop-timeline {
  position: relative;
  padding: 20px 0 20px;
}

.loop-timeline__line {
  display: none;
}

.loop-timeline__stations {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 34px;
  padding: 30px 0 0;
}

/* Bottom feedback arc with station 06 in the middle */
.loop-timeline__feedback {
  position: relative;
  margin-top: 20px;
  height: 200px;
}

.loop-arc {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.timeline__station--feedback {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0px 0px 7px 0px rgba(63,64,64,0.08);
  padding: 22px 22px 24px;
  z-index: 2;
  max-width: 280px;
}

.timeline__station--feedback .timeline__dot {
  margin-bottom: 18px;
}

.timeline__station--feedback .timeline__label {
  color: var(--color-primary);
}

.loop-timeline__stations .timeline__station {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 14px 10px 16px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0px 0px 7px 0px rgba(63,64,64,0.08);
}

/* Arrow between adjacent top-row stations, sitting in the gap */
.loop-timeline__stations .timeline__station:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 45px;
  right: -21px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid var(--color-primary);
  opacity: 0.85;
  z-index: 2;
}

.timeline__num {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.timeline__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--color-primary);
  margin-bottom: 14px;
  position: relative;
}

.timeline__dot::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--color-primary);
}

.timeline__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.timeline__desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.35;
  max-width: 180px;
}

.loop-timeline__caption {
  margin-top: 60px;
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  letter-spacing: -0.005em;
}

.loop-timeline__caption .accent {
  color: var(--color-primary);
  font-weight: 500;
}

/* ---------- Slide 3: empleados ---------- */

.empleados-slide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.empleados-slide__copy h2 {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.empleados-slide__copy .lede {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.5;
}

.empleados-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.empleados-list li {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 1.1rem;
  color: var(--color-text);
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.empleados-list li strong { font-weight: 600; }
.empleados-list li .arrow { color: var(--color-primary); font-weight: 600; margin: 0 8px; }
.empleados-list li .tag {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid #f3dcc1;
}

.empleados-slide__image {
  width: 100%;
  height: 640px;
  background-image: url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1400&q=80');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  position: relative;
}

.empleados-slide__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22,21,21,0) 50%, rgba(22,21,21,0.25) 100%);
  border-radius: var(--radius-lg);
}

/* ---------- Slide 4 & 5: qué ve el dueño — conceptual info cards ---------- */

.dueno-slide__intro {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  max-width: 800px;
}

.info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.info-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  box-shadow: var(--shadow-card);
  min-height: 360px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.info-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid #f3dcc1;
}

.info-card__icon svg {
  width: 28px;
  height: 28px;
}

.info-card__eyebrow {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.info-card__title {
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  line-height: 1.2;
}

.info-card__body {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: auto;
}

.info-card__body strong {
  color: var(--color-text);
  font-weight: 600;
}

.info-card--alert .info-card__icon {
  background: #fbeee3;
  color: #b55a0f;
  border-color: #f3cfa7;
}

/* ---------- Slide 6: acciones ---------- */

.acciones-slide {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.acciones-slide__image {
  width: 100%;
  height: 640px;
  /* Aerial / planning on a construction site rather than a corporate meeting */
  background-image: url('https://images.unsplash.com/photo-1541976590-713941681591?w=1400&q=80');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  position: relative;
}

.acciones-slide__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22,21,21,0) 55%, rgba(22,21,21,0.22) 100%);
  border-radius: var(--radius-lg);
}

.acciones-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0 0;
  counter-reset: acciones;
}

.acciones-list li {
  counter-increment: acciones;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

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

.acciones-list li::before {
  content: counter(acciones, decimal-leading-zero);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  flex: 0 0 40px;
  padding-top: 4px;
}

.acciones-list .acc-copy {
  font-size: 1.2rem;
  color: var(--color-text);
  line-height: 1.4;
  font-weight: 500;
}

.acciones-list .acc-copy strong { color: var(--color-primary); font-weight: 600; }
.acciones-list .acc-sub {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-top: 6px;
}

/* ---------- Slide 7: AI ---------- */

.ai-slide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ai-slide__image {
  width: 100%;
  height: 640px;
  background-image: url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?w=1400&q=80');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.ai-slide__title {
  font-size: 2.8rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 28px;
}

.ai-quote {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.45;
  padding-left: 20px;
  border-left: 3px solid var(--color-primary);
  margin: 28px 0 32px;
}

.ai-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}

.ai-bullets li {
  font-size: 1rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-bullets li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  flex: 0 0 6px;
}

.ai-closing {
  padding: 20px 24px;
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* ---------- Slide 8: feedback loop ---------- */

.loop-slide {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.loop-slide__copy h2 {
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.loop-slide__copy .lede {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 24px;
}

.loop-slide__copy .kicker-quote {
  font-size: 1.05rem;
  color: var(--color-text);
  border-left: 2px solid var(--color-primary);
  padding-left: 18px;
  line-height: 1.55;
}

.loop-diagram {
  position: relative;
  width: 560px;
  height: 560px;
  margin: 0 auto;
}

.loop-diagram__circle {
  position: absolute;
  inset: 0;
  border: 2px dashed var(--color-border-dark);
  border-radius: 50%;
}

.loop-diagram__center {
  position: absolute;
  inset: 140px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
  line-height: 1.3;
  border: 1px solid #f3dcc1;
}

.loop-node {
  position: absolute;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 180px;
  text-align: center;
  box-shadow: var(--shadow-card);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
}

.loop-node span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.loop-node.n1 { top: 0; left: 50%; transform: translateX(-50%); }
.loop-node.n2 { top: 50%; right: -30px; transform: translateY(-50%); }
.loop-node.n3 { bottom: 0; left: 50%; transform: translateX(-50%); }
.loop-node.n4 { top: 50%; left: -30px; transform: translateY(-50%); }

/* little arrows along the circle */
.loop-arrow {
  position: absolute;
  width: 16px;
  height: 16px;
  border-top: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
}
.loop-arrow.a1 { top: 70px; right: 80px; transform: rotate(45deg); }
.loop-arrow.a2 { bottom: 70px; right: 80px; transform: rotate(135deg); }
.loop-arrow.a3 { bottom: 70px; left: 80px; transform: rotate(225deg); }
.loop-arrow.a4 { top: 70px; left: 80px; transform: rotate(315deg); }

/* ---------- Slide 9: cierre ---------- */

.cierre-slide {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.cierre-slide__intro {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  max-width: 700px;
}

.cierre-slide h2 {
  font-size: 3.2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 48px;
  line-height: 1.1;
}

.cierre-slide h2 .accent { color: var(--color-primary); }

.cierre-questions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cierre-q {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.cierre-q--img {
  padding: 0;
  background-size: cover;
  background-position: center;
  border: none;
}

.cierre-q__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(22,21,21,0.10) 0%,
    rgba(22,21,21,0.55) 55%,
    rgba(22,21,21,0.90) 100%);
}

.cierre-q__content {
  position: relative;
  z-index: 1;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  min-height: 300px;
}

.cierre-q--img .cierre-q__label {
  color: #f4b26d;
}

.cierre-q--img .cierre-q__text {
  color: #ffffff;
}

.cierre-q--img .cierre-q__text .accent {
  color: #f5b97a;
  font-weight: 600;
}

.cierre-q__label {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.cierre-q__text {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.cierre-slide__outro {
  margin-top: 40px;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 900px;
  line-height: 1.55;
}

/* ---------- Fragment animation tuning ---------- */

.reveal .slides section .fragment.fade-in-then-out {
  opacity: 0;
}

/* ---------- Responsive tweaks ---------- */

@media (max-width: 1280px) {
  .slide { padding: 60px 70px; }
  .reveal h1 { font-size: 3.4rem; }
  .reveal h2 { font-size: 2.4rem; }
}