/* =====================================================
   ReHeat — Nova Thermal S.R.L.
   Design tokens
   ===================================================== */
:root {
  --color-bg: #F7F0E1;
  --color-bg-alt: #F0E6D2;
  --color-ink: #34210F;
  --color-ink-soft: #6E5A47;

  --color-red: #E1502E;
  --color-red-dark: #B33A1F;
  --color-red-light: #F6A57F;

  --color-blue: #2C86C4;
  --color-blue-dark: #1D5E8F;
  --color-blue-soft: #DCEEF8;

  --color-orange: #F6923F;
  --color-brown: #5C2410;
  --color-brown-deep: #2A1207;

  --color-green: #3F8151;

  --color-card: #FFFCF4;
  --color-border: rgba(52, 33, 15, 0.13);

  --gradient-thermal: linear-gradient(120deg, #E1502E 0%, #F6923F 45%, #2C86C4 100%);
  --gradient-warm: linear-gradient(145deg, #E1502E 0%, #C13B22 100%);
  --gradient-cool: linear-gradient(145deg, #2C86C4 0%, #1D5E8F 100%);
  --gradient-hero-scrim: linear-gradient(180deg, rgba(24,12,5,0.55) 0%, rgba(24,12,5,0.72) 55%, rgba(24,12,5,0.92) 100%);

  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Figtree', system-ui, sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --container: 1160px;
  --header-h: 76px;

  --shadow-soft: 0 10px 28px rgba(52, 33, 15, 0.10);
  --shadow-card: 0 4px 18px rgba(52, 33, 15, 0.08);
  --shadow-lift: 0 20px 44px rgba(42, 18, 7, 0.22);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =====================================================
   Icon system (custom inline SVG, no emoji)
   ===================================================== */
.icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
  flex-shrink: 0;
}
.icon-sm { width: 16px; height: 16px; }

/* =====================================================
   Reset & base
   ===================================================== */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}
body {
  margin: 0;
  background:
    radial-gradient(1100px 760px at 10% -8%, rgba(225, 80, 46, 0.13), transparent 58%),
    radial-gradient(1000px 720px at 96% 10%, rgba(44, 134, 196, 0.13), transparent 55%),
    radial-gradient(820px 620px at 50% 105%, rgba(246, 146, 63, 0.11), transparent 55%),
    var(--color-bg);
  background-attachment: fixed;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 0.5em;
  color: var(--color-brown);
}
h1 { font-size: clamp(2.6rem, 5.4vw, 4.2rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; max-width: 62ch; }

::selection { background: var(--color-red); color: #fff; }

::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-red-light); border-radius: 10px; border: 3px solid var(--color-bg); }
::-webkit-scrollbar-thumb:hover { background: var(--color-red); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.section-inner, .header-inner, .footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.section { padding: 100px 0; position: relative; }
.section:not(.section-story):nth-of-type(even) {
  background:
    radial-gradient(900px 600px at 85% 0%, rgba(44, 134, 196, 0.06), transparent 60%),
    radial-gradient(700px 500px at 5% 100%, rgba(225, 80, 46, 0.05), transparent 60%),
    var(--color-bg-alt);
}
.section-title-center { text-align: center; }

.eyebrow-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  color: var(--color-red-dark);
  background: rgba(225, 80, 46, 0.10);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.eyebrow-inline-blue { color: var(--color-blue-dark); background: rgba(44, 134, 196, 0.12); }
.eyebrow-center { display: flex; justify-content: center; margin-left: auto; margin-right: auto; width: fit-content; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--gradient-warm);
  color: #FFF7F0;
  box-shadow: 0 8px 22px rgba(225, 80, 46, 0.38);
}
.btn-primary:hover { box-shadow: 0 12px 28px rgba(225, 80, 46, 0.48); transform: translateY(-2px); }

.btn-lg { padding: 17px 34px; font-size: 1.06rem; }

.btn-ghost {
  background: transparent;
  border-color: var(--color-brown);
  color: var(--color-brown);
}
.btn-ghost:hover { background: rgba(92, 36, 16, 0.06); }

.btn-ghost-light {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.55);
  color: #FFF9F0;
  backdrop-filter: blur(6px);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }

.btn-header { padding: 10px 20px; font-size: 0.92rem; }

/* =====================================================
   Header
   ===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  background: rgba(247, 240, 225, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 46px; width: auto; }

.main-nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  margin-right: 18px;
}
.nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.is-active { border-color: var(--color-red); color: var(--color-red-dark); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.social-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
  flex-shrink: 0;
}
.social-chip:hover {
  color: var(--color-red-dark);
  border-color: var(--color-red-light);
  transform: translateY(-2px);
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  font-family: var(--font-body);
}
.lang-option {
  appearance: none;
  border: none;
  background: transparent;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease;
}
.lang-option:hover { color: var(--color-brown); }
.lang-option.is-active {
  color: #FFF9F0;
  background: var(--color-red);
  box-shadow: 0 3px 8px rgba(225, 80, 46, 0.35);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--color-brown);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================
   Hero — foto real de fondo (slideshow)
   ===================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 140px 0 90px;
}

.hero-slideshow { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 2.2s ease, transform 9s linear;
}
.hero-slide.is-active { opacity: 1; transform: scale(1.0); }

.hero-scrim { position: absolute; inset: 0; z-index: 1; background: var(--gradient-hero-scrim); }

.hero-spotlight {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(circle 340px at var(--mx, 50%) var(--my, 40%), rgba(255, 214, 179, 0.30), rgba(255, 214, 179, 0.08) 45%, transparent 70%);
}
.hero-spotlight.is-active { opacity: 1; }

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 28px;
  text-align: center;
  color: #FFF9F0;
}

.hero .eyebrow-badge {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85rem;
  color: #FFF9F0;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
}

.hero h1 { color: #FFF9F0; }
.hero-sub { font-size: 1.14rem; color: rgba(255, 249, 240, 0.88); max-width: 54ch; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 30px 0 44px; }

.hero-stat-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(8px);
  min-width: 130px;
}
.hero-stat-value { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; color: #FFF9F0; }
.hero-stat-label { font-size: 0.78rem; color: rgba(255,249,240,0.78); text-transform: lowercase; }

.hero-scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: 14px;
}
.hero-scroll-cue span {
  display: block;
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: #fff;
  margin: 7px auto 0;
  animation: scroll-cue 1.8s ease infinite;
}
@keyframes scroll-cue {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* =====================================================
   Nuestra historia (empatía) — alto contraste
   ===================================================== */
.section-story {
  background: var(--color-brown-deep);
  color: #F3E9D8;
  padding: 104px 0;
}
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.story-block h2 { color: #FFF7EE; }
.story-block p { color: rgba(243, 233, 216, 0.82); max-width: 52ch; }

.story-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.story-problem .story-tag { background: rgba(225, 80, 46, 0.22); color: #F6A57F; }
.story-solution .story-tag { background: rgba(44, 134, 196, 0.22); color: #8FC7EA; }

.story-block { border-top: 3px solid; padding-top: 26px; }
.story-problem { border-color: var(--color-red); }
.story-solution { border-color: var(--color-blue); }

/* =====================================================
   Science section
   ===================================================== */
.science-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.science-copy p { max-width: 60ch; }
.science-source { font-size: 0.85rem; color: var(--color-ink-soft); font-style: italic; }

.reaction-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 28px;
  padding: 22px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.reaction-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  width: 108px;
  padding: 10px 6px;
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, background 0.2s ease;
}
.reaction-step:hover { background: var(--color-bg-alt); transform: translateY(-3px); }
.reaction-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-blue-soft);
  color: var(--color-blue-dark);
}
.reaction-icon .icon { width: 22px; height: 22px; }
.reaction-step-heat .reaction-icon { background: rgba(225, 80, 46, 0.16); color: var(--color-red-dark); }
.reaction-arrow .icon { color: var(--color-border); }
.reaction-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  line-height: 1.3;
}
.reaction-arrow {
  color: var(--color-border);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .reaction-flow { flex-direction: column; }
  .reaction-arrow { transform: rotate(90deg); }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .gallery-feature, .gallery-item-wide, .gallery-item { grid-column: span 1 !important; grid-row: span 1 !important; transform: none !important; }
}

.science-case {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.science-case:hover { box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.science-case h3 { color: var(--color-blue-dark); }
.science-case > p:first-of-type { color: var(--color-ink-soft); font-size: 0.95rem; }

.packaging-option {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
}
.packaging-option:first-of-type { border-top: none; padding-top: 8px; }

.packaging-badge {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}
.packaging-badge-a { background: var(--gradient-warm); }
.packaging-badge-b { background: linear-gradient(145deg, #4FA05A, #357543); }

.packaging-name { font-family: var(--font-display); font-weight: 700; color: var(--color-brown); margin: 0 0 4px; }
.packaging-desc { font-size: 0.92rem; color: var(--color-ink-soft); margin: 0; }

/* =====================================================
   Qué hay adentro (por dentro)
   ===================================================== */
.inside-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.inside-image-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease);
}
.inside-image-btn:hover { transform: translateY(-4px) scale(1.01); }
.inside-image-btn img { width: 100%; height: auto; }
.inside-image-zoom {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brown);
  box-shadow: var(--shadow-card);
}
.inside-image-zoom .icon { width: 18px; height: 18px; }

.inside-copy p { max-width: 56ch; }
.inside-list { display: flex; flex-direction: column; gap: 20px; margin: 28px 0 22px; }
.inside-item { display: flex; gap: 16px; align-items: flex-start; }
.inside-item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-dark);
}
.inside-item-icon .icon { width: 22px; height: 22px; }
.inside-item-title { font-family: var(--font-display); font-weight: 700; color: var(--color-brown); margin: 0 0 2px; font-size: 1.02rem; }
.inside-item-desc { font-size: 0.92rem; color: var(--color-ink-soft); margin: 0; max-width: 50ch; }

.inside-note {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  font-style: italic;
  border-left: 3px solid var(--color-orange);
  padding-left: 14px;
  max-width: 56ch;
}

/* =====================================================
   Steps (tabs) — con línea de tiempo conectada
   ===================================================== */
.section-steps { position: relative; overflow: hidden; }
.section-steps::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(92, 36, 16, 0.08) 1.4px, transparent 1.4px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 90%);
  pointer-events: none;
}
.section-steps h2 { margin-bottom: 8px; }
.steps-intro { text-align: center; color: var(--color-ink-soft); max-width: 52ch; margin: 0 auto 44px; }

.steps-tabs {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 8px;
  flex-wrap: wrap;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.steps-tabs::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 12%;
  right: 12%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-red-light), var(--color-blue-soft));
  border-radius: 4px;
  z-index: 0;
}
.step-tab {
  position: relative;
  z-index: 1;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  padding: 0 10px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: transform 0.2s ease;
  min-width: 140px;
}
.step-tab:hover { transform: translateY(-2px); }
.step-tab-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-card);
  border: 3px solid var(--color-border);
  color: var(--color-ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  font-family: var(--font-display);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  margin: 0 auto;
  box-shadow: 0 0 0 6px var(--color-bg);
}
.step-tab-label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  transition: color 0.2s ease;
  text-align: center;
}
.step-tab-icon { width: 20px; height: 20px; color: inherit; }

.step-tab:hover .step-tab-num { border-color: var(--color-orange); }
.step-tab.is-active .step-tab-num {
  background: var(--gradient-warm);
  border-color: var(--color-red);
  color: #fff;
  box-shadow: 0 0 0 6px var(--color-bg), 0 8px 18px rgba(225, 80, 46, 0.35);
  transform: scale(1.08);
}
.step-tab.is-active .step-tab-label { color: var(--color-brown); }

.steps-panels {
  max-width: 640px;
  margin: 36px auto 0;
  min-height: 96px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 1;
}
.step-panel {
  display: none;
  text-align: center;
  font-size: 1.08rem;
  animation: panel-in 0.3s ease;
}
.step-panel.is-active { display: block; }
.step-panel p { margin: 0 auto; max-width: none; }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.steps-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  font-style: italic;
  max-width: 52ch;
  margin: 32px auto 0;
  position: relative;
  z-index: 1;
}

/* =====================================================
   Gallery (con lightbox)
   ===================================================== */
.section-gallery {
  background:
    radial-gradient(900px 640px at 88% -6%, rgba(225, 80, 46, 0.14), transparent 58%),
    radial-gradient(760px 560px at 4% 96%, rgba(44, 134, 196, 0.14), transparent 58%),
    var(--color-bg);
  overflow: hidden;
}
.gallery-sub {
  text-align: center;
  margin: 0 auto 40px;
  color: var(--color-ink-soft);
  max-width: 56ch;
  font-size: 0.95rem;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 150px;
  gap: 22px;
  position: relative;
}
.gallery-item {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--color-card);
  box-shadow: var(--shadow-card);
  cursor: zoom-in;
  grid-column: span 3;
  grid-row: span 1;
  transform: rotate(0deg);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.gallery-feature { grid-column: span 3; grid-row: span 2; }
.gallery-item-wide { grid-column: span 6; grid-row: span 2; }

.gallery-item:nth-of-type(1) { transform: rotate(-1deg); }
.gallery-item:nth-of-type(2) { transform: rotate(1.2deg); }
.gallery-item:nth-of-type(3) { transform: rotate(-1.4deg); }
.gallery-item:nth-of-type(4) { transform: rotate(0.6deg); }

.gallery-item::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 3px;
  background: var(--gradient-thermal);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 2;
  pointer-events: none;
}
.gallery-item:hover {
  transform: rotate(0deg) translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lift);
}
.gallery-item:hover::before { opacity: 1; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gallery-item:hover img { transform: scale(1.1); }

.gallery-zoom-hint {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brown);
  opacity: 0;
  transform: translateY(-6px) scale(0.9);
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: var(--shadow-card);
  z-index: 3;
}
.gallery-item:hover .gallery-zoom-hint { opacity: 1; transform: translateY(0) scale(1); }
.gallery-zoom-hint .icon { width: 16px; height: 16px; }

.gallery-caption {
  position: absolute;
  left: 14px; bottom: 14px;
  padding: 9px 18px;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--color-brown);
  text-align: left;
  background: rgba(255, 252, 244, 0.88);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-pill);
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 3;
}
.gallery-item:hover .gallery-caption { transform: translateY(0); opacity: 1; }

@media (max-width: 860px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .gallery-feature, .gallery-item-wide, .gallery-item { grid-column: span 2 !important; grid-row: span 1 !important; }
}

/* =====================================================
   Video
   ===================================================== */
.video-frame {
  max-width: 880px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}
.video-placeholder {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-brown-deep), #402011);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: rgba(255, 249, 240, 0.85);
}
.video-play-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--gradient-warm);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(225, 80, 46, 0.45);
}
.video-play-icon .icon { width: 30px; height: 30px; }
.video-placeholder p { margin: 0; font-family: var(--font-display); font-weight: 700; }
.video-player { width: 100%; display: block; }

/* =====================================================
   Circular impact
   ===================================================== */
.circular-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}
.circular-stats {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.circular-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-orange);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-left-color 0.25s ease;
}
.circular-stat:hover { transform: translateX(6px); box-shadow: var(--shadow-soft); border-left-color: var(--color-red); }
.stat-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
  min-width: 70px;
}
.stat-label { font-size: 0.95rem; color: var(--color-ink-soft); font-weight: 600; }

/* --- Calculadora de ahorro --- */
.calc-card {
  background: linear-gradient(155deg, var(--color-brown-deep) 0%, #3B1B0C 100%);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  color: #F3E9D8;
  box-shadow: var(--shadow-lift);
  position: relative;
  overflow: hidden;
}
.calc-card::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225,80,46,0.35), transparent 70%);
  pointer-events: none;
}
.calc-header { max-width: 60ch; margin-bottom: 30px; position: relative; z-index: 1; }
.calc-header h3 { color: #FFF7EE; font-size: clamp(1.5rem, 2.4vw, 2rem); margin-bottom: 10px; }
.calc-header p { color: rgba(243, 233, 216, 0.78); margin: 0; }

.calc-body {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.calc-control label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: #FFF7EE;
}
.calc-control input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.18);
  appearance: none;
  outline: none;
  cursor: pointer;
}
.calc-control input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-warm);
  border: 3px solid #FFF9F0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
  cursor: pointer;
}
.calc-control input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-red);
  border: 3px solid #FFF9F0;
  cursor: pointer;
}
.calc-control-value {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-orange);
}
.calc-control-value span:last-child { font-size: 0.85rem; font-weight: 600; color: rgba(243,233,216,0.7); }

.calc-results { display: flex; flex-direction: column; gap: 12px; }
.calc-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}
.calc-result-label { font-size: 0.88rem; color: rgba(243,233,216,0.82); font-weight: 600; }
.calc-result-value { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; color: #FFF7EE; }
.calc-result-savings { background: rgba(225, 80, 46, 0.22); border-color: rgba(225, 80, 46, 0.4); }
.calc-result-savings .calc-result-value { color: var(--color-red-light); font-size: 1.3rem; }

.calc-disclaimer {
  margin: 26px 0 0;
  font-size: 0.78rem;
  color: rgba(243,233,216,0.55);
  font-style: italic;
  position: relative;
  z-index: 1;
  max-width: none;
}

/* =====================================================
   Team
   ===================================================== */
.section-team { position: relative; }
.team-mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 64px;
}
.team-mv {
  border-radius: var(--radius-lg);
  padding: 38px 36px;
  color: #FFF9F0;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.team-mv:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.team-mv::after {
  content: "";
  position: absolute;
  bottom: -50px; right: -50px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.team-mv-mission { background: var(--gradient-warm); }
.team-mv-vision { background: var(--gradient-cool); }
.team-mv-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.team-mv-icon .icon { width: 24px; height: 24px; }
.team-mv h3 { color: #FFF9F0; margin-bottom: 10px; position: relative; z-index: 1; }
.team-mv p { max-width: none; margin: 0; color: rgba(255, 249, 240, 0.94); position: relative; z-index: 1; }

.team-people-label {
  text-align: center;
  margin: 0 auto 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-brown);
  max-width: none;
}
.team-people-intro {
  text-align: center;
  color: var(--color-ink-soft);
  max-width: 52ch;
  margin: 0 auto 26px;
}
.team-people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.team-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-blue);
  border-radius: var(--radius-md);
  padding: 26px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-top-color 0.28s ease;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-top-color: var(--color-red); }
.team-card.is-lead { border-top-color: var(--color-red); }
.team-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-thermal);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 14px;
  box-shadow: 0 6px 16px rgba(52, 33, 15, 0.18);
  transition: transform 0.28s var(--ease);
}
.team-card:hover .team-avatar { transform: scale(1.08) rotate(-3deg); }
.team-avatar-1 { background: linear-gradient(135deg, var(--color-red), var(--color-red-dark)); }
.team-avatar-2 { background: linear-gradient(135deg, var(--color-blue), var(--color-blue-dark)); }
.team-avatar-3 { background: linear-gradient(135deg, var(--color-orange), var(--color-red)); }
.team-avatar-4 { background: linear-gradient(135deg, var(--color-green), var(--color-blue-dark)); }
.team-avatar-5 { background: linear-gradient(135deg, var(--color-brown), var(--color-brown-deep)); }
.team-name { font-family: var(--font-display); font-weight: 700; color: var(--color-brown); margin: 0 0 4px; font-size: 1.02rem; }
.team-role { font-size: 0.8rem; color: var(--color-ink-soft); margin: 0; line-height: 1.3; }

.team-school { text-align: center; color: var(--color-ink-soft); font-size: 0.92rem; margin: 0; }

/* =====================================================
   Get it / where to find
   ===================================================== */
.get-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
}
.get-options { display: grid; gap: 16px; }
.get-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.get-card-icon { display: inline-flex; margin-bottom: 6px; color: var(--color-red-dark); }
.get-card-icon .icon { width: 26px; height: 26px; }
.get-card:hover { border-color: var(--color-red); transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.get-card-title { font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; color: var(--color-brown); }
.get-card-sub { font-size: 0.9rem; color: var(--color-ink-soft); }

/* =====================================================
   Contact
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-social {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  color: var(--color-brown);
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--color-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.contact-social:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-red-light);
  color: var(--color-red-dark);
}
.contact-form {
  display: grid;
  gap: 6px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-card);
}
.contact-form label {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-brown);
  margin-top: 12px;
}
.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: #FFFEFB;
  color: var(--color-ink);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(44, 134, 196, 0.18);
}
.contact-form button { margin-top: 18px; justify-self: start; }
.contact-status {
  min-height: 1.4em;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-blue-dark);
  margin: 10px 0 0;
}

/* =====================================================
   Footer
   ===================================================== */
.site-footer {
  background: var(--color-brown-deep);
  color: #F3E9D8;
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-logo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #FFF9F0;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
  padding: 6px;
  flex-shrink: 0;
}
.footer-logo { height: 100%; width: 100%; object-fit: contain; }
.footer-brand p { margin: 0; font-size: 0.88rem; opacity: 0.8; }
.footer-nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.footer-nav a {
  font-size: 0.86rem;
  font-weight: 600;
  color: rgba(243, 233, 216, 0.75);
  transition: color 0.18s ease;
}
.footer-nav a:hover { color: #FFF9F0; }
.footer-social { display: flex; align-items: center; gap: 12px; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(243, 233, 216, 0.3);
  color: #F3E9D8;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.footer-social a:hover { color: var(--color-red-light); border-color: var(--color-red-light); transform: translateY(-2px); }
.footer-school { margin: 0; font-size: 0.82rem; opacity: 0.6; }

/* =====================================================
   Lightbox
   ===================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(20, 10, 4, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-figure { max-width: min(920px, 90vw); max-height: 84vh; margin: 0; text-align: center; }
.lightbox-figure img { max-height: 74vh; width: auto; margin: 0 auto; border-radius: var(--radius-md); box-shadow: var(--shadow-lift); }
.lightbox-figure figcaption { color: #F3E9D8; margin-top: 16px; font-size: 0.92rem; font-weight: 600; }
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
}
.lightbox-close:hover { background: rgba(255,255,255,0.18); }

/* =====================================================
   Section dividers (transición suave entre bloques)
   ===================================================== */
.section-science, .section-inside, .section-circular {
  position: relative;
}
.section-science::before, .section-circular::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border) 20%, var(--color-border) 80%, transparent);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 2px;
}

/* =====================================================
   Page hero (banda de título para sub-páginas)
   ===================================================== */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 64px) 0 72px;
  color: #FFF9F0;
  text-align: center;
  overflow: hidden;
  background: var(--gradient-thermal);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(650px 420px at 12% 0%, rgba(0,0,0,0.18), transparent 60%),
    radial-gradient(650px 420px at 88% 100%, rgba(0,0,0,0.22), transparent 60%);
}
.page-hero-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.page-hero .eyebrow-inline-light {
  background: rgba(255,255,255,0.16);
  color: #FFF9F0;
  border: 1px solid rgba(255,255,255,0.3);
}
.page-hero h1 {
  color: #FFF9F0;
  font-size: clamp(2.2rem, 4.4vw, 3.2rem);
  margin: 18px 0 14px;
}
.page-hero p { max-width: 56ch; margin: 0 auto; color: rgba(255,249,240,0.92); font-size: 1.05rem; }

.page-hero-science { background: linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-blue) 100%); }
.page-hero-gallery { background: linear-gradient(135deg, var(--color-brown) 0%, var(--color-red-dark) 100%); }
.page-hero-team { background: var(--gradient-thermal); }
.page-hero-contact { background: linear-gradient(135deg, var(--color-brown-deep) 0%, var(--color-brown) 100%); }

/* =====================================================
   Explore grid (home page — links to other pages)
   ===================================================== */
.section-explore { background: var(--color-bg-alt); }
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 44px;
}
.explore-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s ease;
  position: relative;
}
.explore-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: var(--color-red-light); }
.explore-icon {
  width: 44px; height: 44px;
  color: var(--color-red-dark);
  margin-bottom: 18px;
}
.explore-card h3 { margin-bottom: 8px; }
.explore-card p { font-size: 0.92rem; color: var(--color-ink-soft); margin-bottom: 0; max-width: none; }
.explore-link {
  position: absolute;
  top: 30px; right: 26px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-brown);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.explore-card:hover .explore-link { background: var(--color-red); color: #fff; transform: translateX(3px); }

/* =====================================================
   Cart icon (header)
   ===================================================== */
.cart-chip {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
  flex-shrink: 0;
}
.cart-chip:hover {
  color: var(--color-red-dark);
  border-color: var(--color-red-light);
  background: rgba(225, 80, 46, 0.06);
  transform: translateY(-2px);
}
.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background: var(--color-red);
  color: #FFF7F0;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.68rem;
  line-height: 18px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(225, 80, 46, 0.5);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.cart-badge.is-visible { opacity: 1; transform: scale(1); }

/* =====================================================
   Shop / Tienda
   ===================================================== */
.section-shop { position: relative; }
.shop-sub { text-align: center; max-width: 56ch; margin: 0 auto 44px; color: var(--color-ink-soft); }

.shop-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}
.shop-card-media {
  position: relative;
  background:
    radial-gradient(560px 420px at 20% 10%, rgba(225, 80, 46, 0.14), transparent 60%),
    radial-gradient(520px 400px at 90% 90%, rgba(44, 134, 196, 0.16), transparent 60%),
    var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  min-height: 320px;
}
.shop-card-media img {
  max-width: 100%;
  max-height: 340px;
  width: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
}
.shop-stock-badge {
  position: absolute;
  top: 22px;
  left: 22px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--color-green);
  color: #FFF9F0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 16px rgba(63, 129, 81, 0.35);
}
.shop-stock-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #FFF9F0;
  box-shadow: 0 0 0 3px rgba(255, 249, 240, 0.35);
}

.shop-card-info {
  padding: 38px 42px;
  display: flex;
  flex-direction: column;
}
.shop-card-info h3 { font-size: clamp(1.5rem, 2.2vw, 1.9rem); margin-bottom: 10px; }
.shop-desc { color: var(--color-ink-soft); font-size: 0.98rem; margin-bottom: 22px; }

.shop-field-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-brown);
  margin-bottom: 10px;
}
.shop-color-picker { margin-bottom: 22px; }
.shop-colors { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.shop-color {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid transparent;
  background: var(--swatch);
  cursor: pointer;
  padding: 0;
  box-shadow: 0 3px 10px rgba(52, 33, 15, 0.18), inset 0 0 0 2px rgba(255,255,255,0.5);
  transition: transform 0.18s var(--ease), border-color 0.18s ease;
}
.shop-color:hover { transform: translateY(-2px) scale(1.06); }
.shop-color.is-active { border-color: var(--color-brown); transform: scale(1.1); }
.shop-color-label { font-size: 0.86rem; font-weight: 600; color: var(--color-ink-soft); }

.shop-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-border);
}
.shop-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-red-dark);
}
.shop-price-note { font-size: 0.85rem; color: var(--color-ink-soft); }

.shop-buy-row { display: flex; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.shop-qty-field { display: flex; flex-direction: column; }
.shop-add-btn { flex: 1; min-width: 200px; }

.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #FFFEFB;
  overflow: hidden;
}
.qty-btn {
  width: 38px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--color-brown);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.qty-btn:hover { background: var(--color-bg-alt); color: var(--color-red-dark); }
.qty-input {
  width: 42px;
  height: 40px;
  border: none;
  border-left: 1.5px solid var(--color-border);
  border-right: 1.5px solid var(--color-border);
  text-align: center;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-ink);
  background: transparent;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.shop-stock-note { font-size: 0.86rem; color: var(--color-ink-soft); margin-bottom: 0; }

.shop-toast {
  margin: 14px 0 0;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(63, 129, 81, 0.12);
  color: var(--color-green);
  font-weight: 700;
  font-size: 0.88rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: fit-content;
}
.shop-toast.is-visible { opacity: 1; transform: translateY(0); }

/* =====================================================
   Cart page
   ===================================================== */
.page-hero-cart { background: linear-gradient(135deg, var(--color-blue-dark) 0%, var(--color-brown) 100%); }

.cart-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 34px;
  align-items: start;
}
.cart-layout[hidden] { display: none; }
.cart-panel-title { margin-bottom: 20px; }

.cart-items { display: grid; gap: 14px; }
.cart-item {
  display: grid;
  grid-template-columns: 84px 1fr auto auto;
  align-items: center;
  gap: 18px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.cart-item:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.cart-item img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
}
.cart-item-info { min-width: 0; }
.cart-item-name { font-family: var(--font-display); font-weight: 700; color: var(--color-brown); margin: 0 0 4px; font-size: 1rem; }
.cart-item-variant { display: flex; align-items: center; gap: 7px; font-size: 0.86rem; color: var(--color-ink-soft); margin: 0 0 4px; }
.cart-color-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--dot); box-shadow: inset 0 0 0 1.5px rgba(255,255,255,0.6); flex-shrink: 0; }
.cart-item-price { font-weight: 700; color: var(--color-red-dark); margin: 0; font-size: 0.92rem; }

.qty-stepper-sm { height: 36px; }
.qty-stepper-sm .qty-btn { width: 32px; height: 34px; font-size: 1rem; }
.qty-stepper-sm .qty-value {
  min-width: 30px;
  text-align: center;
  font-weight: 700;
  font-size: 0.94rem;
  border-left: 1.5px solid var(--color-border);
  border-right: 1.5px solid var(--color-border);
  padding: 0 4px;
}

.cart-item-remove {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-ink-soft);
  cursor: pointer;
  font-size: 0.9rem;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.cart-item-remove:hover { color: var(--color-red-dark); border-color: var(--color-red-light); background: rgba(225, 80, 46, 0.08); }

.cart-summary {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
}
.cart-summary h3 { margin-bottom: 18px; font-size: 1.15rem; }
.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.94rem;
  color: var(--color-ink-soft);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.cart-summary-total {
  border-bottom: none;
  padding-top: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-brown);
}
.cart-buy-btn { width: 100%; margin-top: 18px; }
.cart-summary-note { font-size: 0.8rem; color: var(--color-ink-soft); text-align: center; margin: 14px 0 0; }

.cart-empty {
  text-align: center;
  padding: 60px 20px;
  max-width: 420px;
  margin: 0 auto;
}
.cart-empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-red-dark);
  margin-bottom: 18px;
}
.cart-empty-icon .icon { width: 30px; height: 30px; }
.cart-empty p { color: var(--color-ink-soft); margin-bottom: 20px; }

/* =====================================================
   Modal (confirmación de compra — demo)
   ===================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(20, 10, 4, 0.55);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal-card {
  position: relative;
  max-width: 420px;
  width: 100%;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px 32px;
  text-align: center;
  box-shadow: var(--shadow-lift);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s var(--ease);
}
.modal.is-open .modal-card { transform: translateY(0) scale(1); }
.modal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--gradient-warm);
  color: #FFF9F0;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(225, 80, 46, 0.35);
}
.modal-icon .icon { width: 26px; height: 26px; }
.modal-card h3 { margin-bottom: 10px; }
.modal-card p { color: var(--color-ink-soft); font-size: 0.94rem; margin: 0 auto 24px; max-width: 34ch; }
.modal-actions { display: flex; flex-direction: column; gap: 10px; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-ink-soft);
  cursor: pointer;
  font-size: 0.9rem;
}
.modal-close:hover { color: var(--color-red-dark); border-color: var(--color-red-light); }

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1080px) {
  .main-nav { gap: 16px; }
  .nav-link { font-size: 0.86rem; }
}

@media (max-width: 920px) {
  .science-grid,
  .story-grid,
  .inside-grid,
  .circular-grid,
  .team-mission-grid,
  .get-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .science-case { margin-top: 8px; }

  .shop-card { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; }
  .brand-logo { height: 38px; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    padding: 8px 28px 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-link { padding: 12px 0; border-bottom: 1px solid var(--color-border); }

  .btn-header { padding: 9px 16px; font-size: 0.85rem; }
  .menu-toggle { display: flex; }
  .lang-toggle { padding: 6px 10px; }
  .header-actions { gap: 8px; }
  .social-chip { display: none; }
  .cart-chip { width: 34px; height: 34px; }

  .section { padding: 68px 0; }
  .hero { min-height: 82vh; padding: 120px 0 70px; }
  .section-story { padding: 68px 0; }
  .page-hero { padding: calc(var(--header-h) + 40px) 0 52px; }

  .explore-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }

  .shop-card-info { padding: 30px 24px; }
  .shop-buy-row { flex-direction: column; align-items: stretch; }
  .shop-add-btn { width: 100%; }

  .cart-item {
    grid-template-columns: 64px 1fr;
    grid-template-areas: "img info" "img qty" "img remove";
    row-gap: 8px;
  }
  .cart-item img { grid-area: img; width: 64px; height: 64px; }
  .cart-item-info { grid-area: info; }
  .cart-item .qty-stepper-sm { grid-area: qty; justify-self: start; }
  .cart-item-remove { grid-area: remove; justify-self: start; }
}

@media (max-width: 920px) {
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 400px) {
  .btn-header { display: none; }
  .header-actions { gap: 6px; }
}