/* ============================================================
   ESTRATEGIA COHERENTE — Landing Page Styles
   Mobile-first · BEM-inspired · CSS Variables
   ============================================================ */

/* ── Variables ── */
:root {
  --blue:        #4A5C99;
  --blue-dark:   #3a4a7a;
  --blue-light:  #EEF1FF;
  --orange:      #F5A962;
  --orange-dark: #e08a3a;
  --text:        #2C3E50;
  --text-muted:  #6B7280;
  --bg:          #F8F9FA;
  --white:       #FFFFFF;
  --border:      #E5E7EB;
  --success:     #10B981;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(74,92,153,.12);
  --shadow-lg:  0 8px 32px rgba(74,92,153,.16);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --font-head:  'Montserrat', sans-serif;
  --font-body:  'Inter', sans-serif;
  --font-mono:  'Roboto Mono', monospace;

  --nav-h: 68px;
  --max-w: 1120px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) { .container { padding: 0 32px; } }
@media (min-width: 1140px) { .container { padding: 0 24px; } }

/* ── Typography ── */
h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.2; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  transition: transform .15s, box-shadow .15s, background .15s, color .15s;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover { background: var(--blue-dark); box-shadow: var(--shadow-lg); }

.btn--ghost {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn--ghost:hover { background: var(--blue-light); }

.btn--ghost-dark {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn--ghost-dark:hover { background: rgba(255,255,255,.1); border-color: white; }

.btn--white {
  background: var(--white);
  color: var(--blue);
  box-shadow: var(--shadow-md);
}
.btn--white:hover { box-shadow: var(--shadow-lg); }

.btn--nav {
  background: var(--orange);
  color: var(--white);
  padding: 9px 20px;
  font-size: .9rem;
}
.btn--nav:hover { background: var(--orange-dark); }

.btn--amazon {
  background: #FF9900;
  color: var(--white);
  border-color: #FF9900;
}
.btn--amazon:hover { background: #e68a00; }

.btn--lg  { padding: 14px 28px; font-size: 1.05rem; }
.btn--xl  { padding: 18px 36px; font-size: 1.15rem; font-weight: 700; border-radius: var(--radius-md); }
.btn--full { width: 100%; justify-content: center; }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.badge--accent  { background: var(--orange); color: var(--white); }
.badge--success { background: #DCFCE7; color: #16A34A; }

/* ── Section Shared ── */
.section { padding: 80px 0; }
.section--light  { background: var(--bg); }
.section--white  { background: var(--white); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  color: var(--blue);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-tag--light { color: rgba(255,255,255,.7); }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--text);
  margin-bottom: 16px;
}
.section-title--light { color: var(--white); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}
.section-subtitle--light { color: rgba(255,255,255,.8); }

@media (min-width: 768px) { .section { padding: 100px 0; } }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  color: var(--text);
}
.navbar__brand strong { color: var(--blue); }
.navbar__logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  /* el PNG tiene fondo blanco — lo recortamos visualmente con un leve zoom */
  border-radius: 50%;
  background: transparent;
}
.navbar__nav {
  display: none;
  align-items: center;
  gap: 28px;
}
.navbar__link {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .15s;
}
.navbar__link:hover { color: var(--blue); }
.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.navbar__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.navbar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) {
  .navbar__nav    { display: flex; }
  .navbar__toggle { display: none; }
}
/* Mobile menu open */
.navbar.menu-open .navbar__nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: absolute;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 24px;
  gap: 16px;
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #f0f3ff 0%, #fff8f0 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74,92,153,.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}
.hero__content { max-width: 600px; }
.hero__content > * + * { margin-top: 20px; }

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: var(--text);
  line-height: 1.15;
}
.hero__title--highlight {
  display: block;
  color: var(--blue);
  margin-top: 8px;
}
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.hero__trust {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  color: var(--text-muted);
}
.hero__trust svg { color: var(--success); flex-shrink: 0; }

.hero__visual {
  width: 100%;
  max-width: 520px;
  /* El PNG tiene ~15% de padding blanco alrededor — lo compensamos */
  margin: -20px -30px -20px 0;
}
.hero__diagram-img {
  width: 100%;
  height: auto;
  /* Zoom para recortar el espacio blanco del PNG */
  transform: scale(1.12);
  transform-origin: center center;
  filter: drop-shadow(0 8px 32px rgba(74,92,153,.15));
}

.hero__scroll {
  text-align: center;
  margin-top: 40px;
  color: var(--text-muted);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(6px); }
}

.br-desktop { display: none; }

@media (min-width: 900px) {
  .hero { padding: 100px 0 80px; }
  .hero__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
  }
  .hero__content { max-width: 520px; flex-shrink: 0; }
  .hero__visual {
    max-width: 520px;
    flex: 1;
    margin: -30px -40px -30px 0;
  }
  .br-desktop { display: block; }
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--blue);
  padding: 28px 0;
}
.stats-bar__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.stat-item__number {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.stat-item__label {
  font-size: .78rem;
  color: rgba(255,255,255,.75);
  max-width: 160px;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.2);
  display: none;
}
@media (min-width: 768px) { .stat-divider { display: block; } }

/* ============================================================
   PROBLEMA
   ============================================================ */
.symptoms-grid {
  display: grid;
  gap: 24px;
  margin-bottom: 48px;
}
.symptom-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.symptom-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.symptom-card__icon { width: 48px; height: 48px; margin-bottom: 16px; }
.symptom-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.symptom-card__text { font-size: .95rem; color: var(--text-muted); }

@media (min-width: 768px) { .symptoms-grid { grid-template-columns: repeat(3, 1fr); } }

.pain-quote {
  background: var(--blue);
  border-radius: var(--radius-md);
  padding: 32px 40px;
  max-width: 760px;
  margin: 0 auto;
}
.pain-quote blockquote p {
  font-size: 1.05rem;
  color: var(--white);
  line-height: 1.7;
  font-style: italic;
}
.pain-quote blockquote cite {
  display: block;
  margin-top: 12px;
  font-size: .85rem;
  color: var(--orange);
  font-style: normal;
}

/* ============================================================
   MODELO ICE
   ============================================================ */
.dimensions-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 56px;
}
.dim-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color .2s, box-shadow .2s;
}
.dim-card:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); }
.dim-card--featured {
  border-color: var(--orange);
  background: #FFF8F0;
}
.dim-card__num {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: 6px;
}
.dim-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}
.dim-card__desc { font-size: .875rem; color: var(--text-muted); }

@media (min-width: 640px)  { .dimensions-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .dimensions-grid { grid-template-columns: repeat(4, 1fr); } }

.model-outputs {
  display: grid;
  gap: 24px;
}
.output-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.output-card__icon { width: 56px; height: 56px; margin: 0 auto 16px; }
.output-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.output-card__text { font-size: .9rem; color: var(--text-muted); }
@media (min-width: 768px) { .model-outputs { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   METODOLOGÍA
   ============================================================ */
.section--gradient {
  background: linear-gradient(135deg, var(--blue) 0%, #2d3a6b 100%);
}
.steps-timeline {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  margin-bottom: 40px;
}
.step-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  padding: 28px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 20px;
  align-items: start;
}
.step-card__number {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}
.step-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.step-card__list { padding-left: 0; }
.step-card__list li {
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}
.step-card__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-size: .8rem;
}
.step-card__time {
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
  align-self: start;
}
.step-arrow {
  display: none;
  color: rgba(255,255,255,.3);
  justify-content: center;
  padding: 8px 0;
}
@media (min-width: 768px) {
  .steps-timeline {
    flex-direction: row;
    align-items: flex-start;
  }
  .step-card { flex: 1; grid-template-columns: 1fr; }
  .step-card__number { font-size: 2.5rem; }
  .step-arrow { display: flex; align-self: center; }
}
.method-insight {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(245,169,98,.12);
  border: 1px solid rgba(245,169,98,.3);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  color: rgba(255,255,255,.9);
  font-size: .95rem;
}
.method-insight svg { color: var(--orange); flex-shrink: 0; margin-top: 2px; }

/* ============================================================
   SCANNER
   ============================================================ */
.section--scanner {
  background: var(--bg);
  padding: 80px 0;
}
.scanner-inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}
.scanner-content { max-width: 520px; }
.scanner-content > * + * { margin-top: 20px; }
.scanner-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--text);
}
.scanner-subtitle { font-size: 1rem; color: var(--text-muted); }
.scanner-benefits {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.scanner-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  color: var(--text);
}
.scanner-benefits svg { color: var(--success); flex-shrink: 0; }
.scanner-meta {
  font-size: .85rem;
  color: var(--text-muted);
}
.scanner-meta a { color: var(--blue); text-decoration: underline; }

/* Mockup */
.mockup-device {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  width: 100%;
  max-width: 360px;
  border: 1px solid var(--border);
}
.mockup-device__header {
  background: #F3F4F6;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot--red    { background: #FC5F57; }
.mockup-dot--yellow { background: #FEBC2E; }
.mockup-dot--green  { background: #28C840; }
.mockup-url {
  flex: 1;
  font-size: .7rem;
  color: var(--text-muted);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  text-align: center;
  margin-left: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mockup-device__screen { padding: 16px; }
.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .9rem;
  color: var(--blue);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.mockup-score-area { margin-bottom: 14px; }
.mockup-score {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}
.mockup-score__label {
  font-size: .75rem;
  color: var(--text-muted);
  margin-right: auto;
}
.mockup-score__value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue);
}
.mockup-score__max { font-family: var(--font-mono); font-size: .9rem; color: var(--text-muted); }
.mockup-bars { display: flex; flex-direction: column; gap: 8px; }
.mockup-bar {
  display: grid;
  grid-template-columns: 70px 1fr 30px;
  align-items: center;
  gap: 8px;
  font-size: .72rem;
  color: var(--text-muted);
}
.mockup-bar__track {
  background: var(--bg);
  border-radius: 100px;
  height: 6px;
  overflow: hidden;
}
.mockup-bar__fill {
  height: 100%;
  width: var(--pct);
  background: var(--blue);
  border-radius: 100px;
  transition: width 1s ease;
}
.mockup-bar--critical .mockup-bar__fill { background: #EF4444; }
.mockup-bar--critical span:first-child { color: #EF4444; font-weight: 600; }
.mockup-crit {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: .75rem;
  color: #B91C1C;
  font-weight: 600;
}
.mockup-crit svg { flex-shrink: 0; }

@media (min-width: 900px) {
  .scanner-inner { flex-direction: row; justify-content: space-between; gap: 60px; }
  .scanner-content { flex: 1; }
  .scanner-mockup { flex-shrink: 0; }
}

/* ============================================================
   LIBRO
   ============================================================ */
.book-inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}
.book-cover__wrapper { position: relative; display: inline-block; }
.book-cover__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 4px 4px 0 var(--blue);
}
.book-cover-img {
  width: 220px;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}
.book-cover__badge {
  position: absolute;
  bottom: -12px;
  right: -12px;
}
.book-content { max-width: 520px; }
.book-content > * + * { margin-top: 20px; }
.book-desc { font-size: 1rem; color: var(--text-muted); }
.book-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.book-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .95rem;
  color: var(--text);
}
.book-features svg { color: var(--success); flex-shrink: 0; margin-top: 2px; }
.book-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.book-meta { font-size: .85rem; color: var(--text-muted); }

@media (min-width: 900px) {
  .book-inner { flex-direction: row; align-items: flex-start; gap: 64px; justify-content: center; }
  .book-cover { flex-shrink: 0; }
}

/* ============================================================
   APLICACIONES
   ============================================================ */
.apps-grid { display: grid; gap: 24px; }
.app-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.app-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.app-card__icon { width: 48px; height: 48px; margin-bottom: 16px; }
.app-card__title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.app-card__list { display: flex; flex-direction: column; gap: 8px; }
.app-card__list li {
  font-size: .9rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}
.app-card__list li::before { content: '→'; position: absolute; left: 0; color: var(--orange); }
@media (min-width: 768px) { .apps-grid { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   AUTORES
   ============================================================ */
.authors-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}
.author-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  max-width: 420px;
  width: 100%;
}
.author-card__avatar { margin-bottom: 16px; }
.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
}
.author-avatar--nelson { background: linear-gradient(135deg, var(--blue), #2d3a6b); }
.author-avatar--cintia { background: linear-gradient(135deg, var(--orange), #c0601a); }
.author-card__name { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.author-card__role { font-size: .85rem; color: var(--blue); font-weight: 600; margin-bottom: 12px; }
.author-card__bio { font-size: .9rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }
.author-card__books {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.author-card__books li {
  font-size: .8rem;
  color: var(--text-muted);
  padding-left: 12px;
  position: relative;
}
.author-card__books li::before { content: '—'; position: absolute; left: 0; }

.authors-connector {
  width: 80px;
  opacity: .5;
  flex-shrink: 0;
}
@media (min-width: 900px) {
  .authors-grid { flex-direction: row; justify-content: center; align-items: center; }
  .author-card { flex: 1; max-width: 400px; }
}

/* ============================================================
   RECURSOS
   ============================================================ */
.section--resources {
  background: linear-gradient(135deg, #2d3a6b 0%, var(--blue) 100%);
  padding: 80px 0;
}
.resources-grid { display: grid; gap: 24px; }
.resource-card {
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.resource-card--primary {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.resource-card--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(245,169,98,.15), transparent 60%);
  pointer-events: none;
}
.resource-card--secondary {
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.resource-card__badge {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .5px;
  align-self: flex-start;
}
.resource-card__badge--dark {
  background: var(--blue);
}
.resource-card__icon { width: 64px; height: 64px; }
.resource-card__icon-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}
/* El logo ICE SCAN tiene fondo blanco — lo mostramos con fondo blanco redondeado */
.resource-card__icon-img--scan {
  width: 80px;
  height: 80px;
  background: white;
  border-radius: var(--radius-md);
  padding: 6px;
}
.resource-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
}
.resource-card--primary .resource-card__title { color: var(--white); }
.resource-card--secondary .resource-card__title { color: var(--text); }
.resource-card__desc {
  font-size: .95rem;
  line-height: 1.6;
}
.resource-card--primary .resource-card__desc { color: rgba(255,255,255,.8); }
.resource-card--secondary .resource-card__desc { color: var(--text-muted); }
.resource-card__features { display: flex; flex-direction: column; gap: 8px; }
.resource-card__features li {
  font-size: .875rem;
  padding-left: 16px;
  position: relative;
}
.resource-card__features li::before { content: '✓'; position: absolute; left: 0; font-weight: 700; }
.resource-card--primary .resource-card__features li { color: rgba(255,255,255,.8); }
.resource-card--primary .resource-card__features li::before { color: var(--orange); }
.resource-card--secondary .resource-card__features li { color: var(--text-muted); }
.resource-card--secondary .resource-card__features li::before { color: var(--success); }
.resource-card__meta { font-size: .8rem; }
.resource-card--primary .resource-card__meta { color: rgba(255,255,255,.5); }
.resource-card--secondary .resource-card__meta { color: var(--text-muted); }

@media (min-width: 768px) { .resources-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .section--resources { padding: 100px 0; }
  .resource-card--primary { flex: 1.1; }
}

/* ============================================================
   CONSULTORÍA + FORMULARIO
   ============================================================ */
.consultoria-inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: flex-start;
}
.consultoria-content { flex: 1; }
.consultoria-content > * + * { margin-top: 20px; }
.consultoria-desc { font-size: 1rem; color: var(--text-muted); }
.ice-manager-features {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.ice-manager-features h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.ice-manager-features ul { display: flex; flex-direction: column; gap: 8px; }
.ice-manager-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--text);
}
.ice-manager-features svg { color: var(--blue); flex-shrink: 0; }
.consultoria-note { font-size: .8rem; color: var(--text-muted); margin-top: 8px; }

/* Form */
.consultoria-form-wrapper {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  width: 100%;
  box-shadow: var(--shadow-sm);
}
.form-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--text); }
.form-label span { color: var(--orange); }
.form-input {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.form-input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(74,92,153,.1);
}
.form-input.error { border-color: #EF4444; }
.form-select { appearance: none; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 80px; }
.form-error { font-size: .78rem; color: #EF4444; min-height: 1em; }
.form-group--consent .form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}
.form-group--consent .form-checkbox input { flex-shrink: 0; margin-top: 3px; }
.form-group--consent .form-checkbox span { font-size: .82rem; color: var(--text-muted); }
.form-group--consent .form-checkbox a { color: var(--blue); text-decoration: underline; }
.form-success[hidden] { display: none !important; }
.form-success {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #DCFCE7;
  border: 1px solid #86EFAC;
  border-radius: var(--radius-sm);
  padding: 16px;
  color: #15803D;
  font-size: .9rem;
}
.form-success svg { flex-shrink: 0; }

/* Spinner */
.spin { animation: rotate 1s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }

@media (min-width: 900px) {
  .consultoria-inner { flex-direction: row; gap: 64px; align-items: flex-start; }
  .consultoria-form-wrapper { max-width: 480px; flex-shrink: 0; }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-grid { display: grid; gap: 12px; max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item[open] { border-color: var(--blue); }
.faq-question {
  padding: 20px 24px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  gap: 12px;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform .25s;
  font-weight: 300;
}
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0 24px 20px;
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-answer ul { margin-top: 8px; display: flex; flex-direction: column; gap: 4px; }
.faq-answer ul li { padding-left: 16px; position: relative; }
.faq-answer ul li::before { content: '·'; position: absolute; left: 4px; font-weight: 700; }
.faq-answer a { color: var(--blue); text-decoration: underline; }
@media (min-width: 768px) { .faq-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   CTA FINAL
   ============================================================ */
.section--cta-final {
  background: linear-gradient(135deg, var(--blue) 0%, #2d3a6b 100%);
  padding: 80px 0;
}
.cta-final__header { text-align: center; margin-bottom: 48px; }
.cta-final__title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--white);
}
.cta-final__subtitle {
  font-size: clamp(1rem, 2vw, 1.4rem);
  color: rgba(255,255,255,.7);
  margin-top: 8px;
}
.cta-final__grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: stretch;
}
.cta-final__primary { flex: 2; }
.cta-final__secondary { flex: 1; display: flex; flex-direction: column; gap: 16px; }
.cta-box {
  border-radius: var(--radius-lg);
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cta-box--main {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  align-items: center;
  text-align: center;
}
.cta-box--book {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
}
.cta-box--consul {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
}
.cta-box__tag {
  font-size: .75rem;
  font-weight: 700;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.cta-box__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}
.cta-box__desc { font-size: .85rem; color: rgba(255,255,255,.6); }
.cta-box .btn { margin-top: 8px; }

@media (min-width: 768px) {
  .cta-final__grid { flex-direction: row; align-items: stretch; }
  .cta-final__secondary { flex-direction: column; }
  .cta-box--main { justify-content: center; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #1a2535;
  color: rgba(255,255,255,.6);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 56px 20px 48px;
}
.footer__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 50%;
  background: white;
}
.footer__brand a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 12px;
}
.footer__brand p { font-size: .85rem; max-width: 280px; line-height: 1.6; }
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.footer__col h4 {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 12px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.footer__col li a {
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  transition: color .15s;
}
.footer__col li a:hover { color: var(--white); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
}
.footer__legal { display: flex; gap: 20px; }
.footer__legal a { color: rgba(255,255,255,.4); transition: color .15s; }
.footer__legal a:hover { color: var(--white); }

@media (min-width: 768px) {
  .footer__inner { flex-direction: row; }
  .footer__brand { flex: 1; }
}

/* ============================================================
   ANIMATIONS & UTILITIES
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
[data-animate].in-view {
  opacity: 1;
  transform: none;
}
[data-animate-delay="1"] { transition-delay: .1s; }
[data-animate-delay="2"] { transition-delay: .2s; }
[data-animate-delay="3"] { transition-delay: .3s; }

/* Navbar scrolled shadow */
.navbar.scrolled { box-shadow: var(--shadow-md); }

/* ── Navbar CTA principal (Implementación Guiada) ── */
.btn--nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: var(--blue);
  color: var(--white);
  font-size: .88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid var(--blue);
  transition: background .15s, box-shadow .15s, transform .15s;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(74,92,153,.35);
  position: relative;
}
.btn--nav-cta::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--radius-sm) + 2px);
  border: 2px solid var(--orange);
  opacity: 0.6;
  pointer-events: none;
}
.btn--nav-cta:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 16px rgba(74,92,153,.45);
  transform: translateY(-1px);
}

/* ── Barra flotante persistente ── */
.sticky-bar {
  position: fixed !important;
  bottom: 20px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  z-index: 99999 !important;
  background: #111827 !important;
  border-radius: 100px !important;
  box-shadow: 0 8px 40px rgba(0,0,0,.5) !important;
  padding: 8px 8px 8px 24px !important;
  width: calc(100% - 40px) !important;
  max-width: 660px !important;
  display: flex !important;
}
.sticky-bar.hidden-bar { display: none !important; }

.sticky-bar__inner {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  width: 100% !important;
}
.sticky-bar__text {
  flex: 1;
  color: #d1d5db;
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 0;
}
.sticky-bar__text strong { color: #ffffff; font-weight: 700; }
.sticky-bar__cta {
  display: inline-flex;
  align-items: center;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: .875rem;
  padding: 12px 24px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .15s, transform .15s;
}
.sticky-bar__cta:hover { background: var(--orange-dark); transform: scale(1.02); }
.sticky-bar__close {
  color: rgba(255,255,255,.4);
  font-size: .8rem;
  padding: 4px 10px;
  flex-shrink: 0;
  transition: color .15s;
  line-height: 1;
}
.sticky-bar__close:hover { color: rgba(255,255,255,.9); }

body { padding-bottom: 76px; }

@media (max-width: 600px) {
  .sticky-bar { padding: 6px 6px 6px 16px !important; }
  .sticky-bar__text { font-size: .78rem; }
  .sticky-bar__cta { padding: 10px 14px; font-size: .78rem; }
  .btn--nav-cta { display: none; }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}