/* ================================================================
   DVA Web — assets/css/styles.css
   Non-critical styles (loaded at end of <body>)
   Critical styles are inlined in <head> of index.html
   ================================================================ */


/* ── TYPOGRAPHY HELPERS ──────────────────────────────────────── */

.eyebrow {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255, 92, 0, 0.08);
  border: 1px solid rgba(255, 92, 0, 0.28);
  border-radius: 100px;
  padding: 6px 20px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.022em;
  color: var(--white);
  margin-bottom: 20px;
}

.section-title em {
  font-style: normal;
  color: var(--accent);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 8vw, 80px);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--gray-400);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}


/* ── LAYOUT UTILITIES ────────────────────────────────────────── */

.section-pad {
  padding-top:    clamp(64px, 10vw, 120px);
  padding-bottom: clamp(64px, 10vw, 120px);
}

.section-divider {
  height: 1px;
  background: -webkit-linear-gradient(left, transparent, var(--border) 20%, var(--border) 80%, transparent);
  background:         linear-gradient(to right, transparent, var(--border) 20%, var(--border) 80%, transparent);
  margin: 0 clamp(20px, 8vw, 80px);
}


/* ── BUTTON VARIANTS (non-critical) ─────────────────────────── */

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--gray-600);
  background: rgba(255, 255, 255, 0.04);
  -webkit-transform: translateY(-2px);
          transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

.btn--lg {
  min-height: 64px;
  font-size: 1.0625rem;
  padding: 0 48px;
  min-width: 300px;
}


/* ── SECCIÓN 2: PROBLEMA ─────────────────────────────────────── */

.problem {
  background-color: var(--bg);
}

.problem__flow {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto clamp(48px, 8vw, 72px);
}

.problem__step {
  display: -webkit-flex;
  display:         flex;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(24px, 5vw, 36px);
}

.problem__step--fatal {
  border-color: rgba(255, 92, 0, 0.3);
  background: rgba(255, 92, 0, 0.04);
}

.problem__step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  min-width: 44px;
  padding-top: 2px;
  -webkit-flex-shrink: 0;
          flex-shrink: 0;
}

.problem__step-num--fatal {
  color: var(--accent);
  opacity: 0.55;
}

.problem__step-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
}

.problem__step-body h3 em {
  font-style: normal;
  color: var(--accent);
}

.problem__step-body p {
  font-size: 0.9375rem;
  color: var(--gray-400);
  line-height: 1.65;
}

.problem__arrow {
  display: -webkit-flex;
  display:         flex;
  -webkit-justify-content: flex-start;
          justify-content: flex-start;
  -webkit-align-items: center;
          align-items: center;
  padding: 10px 0 10px calc(44px + 24px);
  color: var(--gray-600);
}

.problem__closing {
  text-align: center;
  padding: clamp(28px, 5vw, 40px) 32px;
  border: 1px solid var(--border-accent);
  border-radius: var(--r-md);
  background: rgba(255, 92, 0, 0.04);
  max-width: 700px;
  margin: 0 auto;
}

.closing-text {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--white);
}

.closing-text strong {
  color: var(--accent);
}


/* ── SECCIÓN 3: SOLUCIÓN ─────────────────────────────────────── */

.solution {
  background: var(--bg-card-alt);
}

.solution__list {
  list-style: none;
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 4px;
  max-width: 740px;
  margin: 0 auto;
}

.solution__item {
  display: -webkit-flex;
  display:         flex;
  gap: 20px;
  -webkit-align-items: flex-start;
          align-items: flex-start;
  padding: 24px 28px;
  border-radius: var(--r-md);
  -webkit-transition: background 0.2s ease;
          transition: background 0.2s ease;
}

.solution__item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.solution__icon {
  min-width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 92, 0, 0.12);
  color: var(--accent);
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  -webkit-flex-shrink: 0;
          flex-shrink: 0;
}

.solution__text h3 {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.0625rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.35;
}

.solution__text p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.65;
}


/* ── SECCIÓN 4: PRUEBA SOCIAL ────────────────────────────────── */

.social-proof {
  background: var(--bg);
}

.testimonials {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  margin-bottom: clamp(48px, 8vw, 72px);
}

@media (min-width: 768px) {
  .testimonials {
    -webkit-flex-direction: row;
            flex-direction: row;
  }
}

.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: clamp(24px, 4vw, 36px);
  -webkit-flex: 1;
          flex: 1;
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  -webkit-transition: border-color 0.2s ease;
          transition: border-color 0.2s ease;
}

.testimonial:hover {
  border-color: rgba(255, 92, 0, 0.2);
}

.testimonial__stars {
  color: #F59E0B;
  font-size: 1rem;
  letter-spacing: 3px;
}

.testimonial__quote {
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--gray-100);
  -webkit-flex: 1;
          flex: 1;
}

.testimonial__quote strong {
  color: var(--white);
  font-weight: 600;
}

.testimonial__footer {
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: center;
          align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.testimonial__avatar {
  display: block;
  width: 52px;
  height: 52px;
  min-width: 52px;
  min-height: 52px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  overflow: hidden;
  background: var(--border);
  -webkit-flex-shrink: 0;
          flex-shrink: 0;
}

.testimonial__name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--white);
  margin-bottom: 3px;
}

.testimonial__role {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

/* Estadística de impacto */
.impact-stat {
  text-align: center;
  padding: clamp(36px, 6vw, 60px) clamp(24px, 5vw, 48px);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-xl);
  background: rgba(255, 92, 0, 0.04);
  max-width: 640px;
  margin: 0 auto;
}

.impact-stat__number {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 14vw, 8rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.impact-stat__text {
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  color: var(--gray-400);
  line-height: 1.65;
}


/* ── SECCIÓN 5: AUTORIDAD ────────────────────────────────────── */

.authority {
  background: var(--bg-card-alt);
}

.authority__inner {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: clamp(40px, 6vw, 64px);
}

@media (min-width: 860px) {
  .authority__inner {
    -webkit-flex-direction: row;
            flex-direction: row;
    -webkit-align-items: center;
            align-items: center;
    gap: 80px;
  }
}

.authority__text {
  -webkit-flex: 1;
          flex: 1;
}

.authority__text p {
  color: var(--gray-400);
  line-height: 1.72;
  margin-bottom: 16px;
  font-size: 1rem;
}

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

.authority__side {
  -webkit-flex-shrink: 0;
          flex-shrink: 0;
}

.authority__badges-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.authority__logos {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 12px;
}

.authority__logo-item {
  background: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-sm);
  padding: 16px 28px;
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  min-height: 64px;
  min-width: 220px;
}

.authority__logo-item img {
  max-height: 32px;
  width: auto;
  object-fit: contain;
}


/* ── SECCIÓN 6: OFERTA ───────────────────────────────────────── */

.offer {
  background: var(--bg);
}

.offer__anchor {
  font-size: 1rem;
  color: var(--gray-400);
  margin-top: 10px;
}

.offer__anchor strong {
  color: var(--white);
}

.offer__cards {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
  -webkit-align-items: stretch;
          align-items: stretch;
}

@media (min-width: 780px) {
  .offer__cards {
    -webkit-flex-direction: row;
            flex-direction: row;
    -webkit-align-items: stretch;
            align-items: stretch;
  }
}

/* Base card */
.offer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: clamp(32px, 5vw, 48px);
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 24px;
  position: relative;
  -webkit-flex: 1;
          flex: 1;
}

/* Card destacada */
.offer-card--featured {
  border-color: var(--accent);
  background: #0F0800;
  box-shadow: 0 0 0 1px var(--accent),
              0 32px 72px rgba(255, 92, 0, 0.18);
  -webkit-flex: 1.25;
          flex: 1.25;
}

/* Badge "MÁS POPULAR" */
.offer-card__badge {
  position: absolute;
  top: -15px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 22px;
  border-radius: 100px;
  white-space: nowrap;
}

.offer-card__header {
  text-align: center;
}

.offer-card__title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.offer-card--featured .offer-card__title {
  color: var(--accent);
}

.offer-card__pricing {
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: baseline;
          align-items: baseline;
  -webkit-justify-content: center;
          justify-content: center;
  gap: 14px;
  margin-bottom: 10px;
}

.offer-card__was {
  font-size: 0.9375rem;
  color: var(--gray-600);
  text-decoration: line-through;
}

.offer-card__price {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.offer-card__price small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-400);
  margin-left: 2px;
}

.offer-card__price--sm {
  font-size: clamp(2rem, 5vw, 2.75rem);
}

.offer-card__delivery {
  display: -webkit-inline-flex;
  display:         inline-flex;
  -webkit-align-items: center;
          align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--gray-400);
}

.offer-card__list {
  list-style: none;
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  gap: 12px;
  -webkit-flex: 1;
          flex: 1;
}

.offer-card__list li {
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: flex-start;
          align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--gray-100);
  line-height: 1.5;
}

.offer-card__check {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  -webkit-flex-shrink: 0;
          flex-shrink: 0;
}

.offer-card__pdf-title {
  font-size: 0.875rem;
  color: var(--gray-400);
  font-style: italic;
  line-height: 1.55;
  border-left: 2px solid rgba(255, 92, 0, 0.3);
  padding-left: 14px;
}

.offer-card__secure {
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* Escasez */
.scarcity {
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  gap: 10px;
  padding: 16px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  max-width: 580px;
  margin: 0 auto;
  font-size: 0.9rem;
  color: var(--gray-400);
}

.scarcity svg {
  color: var(--accent);
  -webkit-flex-shrink: 0;
          flex-shrink: 0;
}

.scarcity strong {
  color: var(--white);
}


/* ── SECCIÓN 7: CTA FINAL ────────────────────────────────────── */

.final-cta {
  background: var(--bg-card-alt);
  border-top:    1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.final-cta__inner {
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}

.final-cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.375rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 20px;
}

.final-cta__sub {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--gray-400);
  line-height: 1.65;
  margin-bottom: 40px;
}

.final-cta__note {
  margin-top: 18px;
  font-size: 0.875rem;
  color: var(--gray-600);
}

@media (max-width: 600px) {
  .btn--lg {
    min-width: auto;
    width: 100%;
    max-width: 360px;
  }
}


/* ── FOOTER ──────────────────────────────────────────────────── */

.footer {
  background: #050505;
  border-top: 1px solid var(--border);
  padding: 52px 0 32px;
  text-align: center;
}

/* Botón volver arriba */
.back-to-top {
  display: -webkit-inline-flex;
  display:         inline-flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  gap: 8px;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 24px;
  min-height: 48px;
  margin-bottom: 40px;
  -webkit-transition: color 0.2s ease, border-color 0.2s ease;
          transition: color 0.2s ease, border-color 0.2s ease;
}

.back-to-top:hover {
  color: var(--white);
  border-color: var(--gray-600);
}

.back-to-top svg {
  -webkit-transition: -webkit-transform 0.2s ease;
          transition: transform 0.2s ease;
}

.back-to-top:hover svg {
  -webkit-transform: translateY(-3px);
          transform: translateY(-3px);
}

.footer__inner {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  -webkit-align-items: center;
          align-items: center;
  gap: 20px;
  margin-bottom: 36px;
}

.footer__logo {
  display: -webkit-flex;
  display:         flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  margin-bottom: 8px;
}

.footer__logo img {
  height: 44px;
  width: auto;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.footer__links {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: row;
          flex-direction: row;
  -webkit-justify-content: center;
          justify-content: center;
  -webkit-flex-wrap: wrap;
          flex-wrap: wrap;
  gap: 4px 24px;
}

.footer__link {
  display: -webkit-inline-flex;
  display:         inline-flex;
  -webkit-align-items: center;
          align-items: center;
  -webkit-justify-content: center;
          justify-content: center;
  gap: 8px;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.9375rem;
  -webkit-transition: color 0.2s ease;
          transition: color 0.2s ease;
  min-height: 48px;
}

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

.footer__link--wa:hover {
  color: #25D366;
}

.footer__bottom {
  display: -webkit-flex;
  display:         flex;
  -webkit-flex-direction: column;
          flex-direction: column;
  -webkit-align-items: center;
          align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.footer__legal {
  display: -webkit-flex;
  display:         flex;
  -webkit-justify-content: center;
          justify-content: center;
  gap: 24px;
}

.footer__legal-link {
  font-size: 0.8125rem;
  color: var(--gray-600);
  text-decoration: none;
  -webkit-transition: color 0.2s ease;
          transition: color 0.2s ease;
}

.footer__legal-link:hover {
  color: var(--gray-400);
}


/* ── ANIMACIONES DE SCROLL REVEAL ────────────────────────────── */

/* Respetar preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .stagger > * {
    opacity: 1 !important;
    -webkit-transform: none !important;
            transform: none !important;
    -webkit-transition: none !important;
            transition: none !important;
  }
}

.reveal {
  opacity: 0;
  -webkit-transform: translateY(28px);
          transform: translateY(28px);
  -webkit-transition: opacity 0.65s ease,
                      -webkit-transform 0.65s ease;
          transition: opacity 0.65s ease,
                      transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}

/* Los hijos del stagger se revelan secuencialmente vía JS (setTimeout) */
.stagger > * {
  opacity: 0;
  -webkit-transform: translateY(22px);
          transform: translateY(22px);
  -webkit-transition: opacity 0.6s ease,
                      -webkit-transform 0.6s ease;
          transition: opacity 0.6s ease,
                      transform 0.6s ease;
}

.stagger > *.visible {
  opacity: 1;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}
