/* --- Variables --- */
:root {
  --color-primary: #ff7a00;
  --color-primary-hover: #e56700;
  --color-bg: #141418;
  --color-bg-alt: #1c1c22;
  --color-card: #232329;
  --color-text: #f2efe9;
  --color-text-secondary: #a9a5a0;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.12);
  --font-heading: "Poppins", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.5);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
}

p {
  margin: 0 0 1rem;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.narrow {
  max-width: 720px;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 20, 24, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.logo {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.9125rem;
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.nav a:hover {
  color: var(--color-primary);
}

.nav-cta {
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 999px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.35);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    gap: 0;
    padding: 1rem 1.5rem 1.5rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    text-align: center;
  }

  .nav-cta {
    margin-top: 0.5rem;
    text-align: center;
  }
}

/* --- Hero --- */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
  }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--color-text);
  margin: 0 0 1.25rem;
  line-height: 1.6;
}

.hero-details {
  color: var(--color-text-secondary);
  font-size: 0.975rem;
  margin-bottom: 2rem;
}

.hero-details p {
  margin-bottom: 0.75rem;
}

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

.hero-sub p {
  margin-bottom: 1rem;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 0;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  margin: 0 0 1.125rem;
  padding: 0 0.5rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.hero-photo {
  width: min(380px, 100%);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  background: var(--color-card);
}

.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  vertical-align: middle;
}

/* --- Proceso + foto --- */
.proceso-split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .proceso-split {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 3rem;
  }
}

.proceso-photo {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  background: var(--color-card);
}

.proceso-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.proceso-copy .section-title {
  margin-top: 0;
}

/* --- Sections --- */
.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

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

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}

.section-title.centered {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}

.section-eyebrow.centered {
  text-align: center;
}

.section-body p {
  color: var(--color-text-secondary);
}

.emphasis {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  margin-top: 1.5rem;
}

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

.emphasis.quote {
  margin: 1.75rem 0 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--color-primary);
  background: var(--color-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: normal;
}

/* --- Cards grid --- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.card {
  background: var(--color-card);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  border-radius: 12px;
  background: rgba(255, 122, 0, 0.12);
  color: var(--color-primary);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-title {
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin: 0;
}

/* --- Energy --- */
.energy-block {
  background: var(--color-card);
  padding: clamp(2rem, 5vw, 3rem);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 768px) {
  .energy-block {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.energy-copy .section-title {
  margin-bottom: 1rem;
}

.energy-copy > p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.energy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.energy-list li {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.energy-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1;
}

/* --- Steps --- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 960px;
  margin: 0 auto;
}

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

.step-card {
  background: var(--color-card);
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
}

.step-title {
  font-size: 1.125rem;
  margin: 0 0 0.75rem;
}

.step-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.steps-grid .step-card:nth-child(2).reveal.is-visible {
  transition-delay: 0.08s;
}

.steps-grid .step-card:nth-child(3).reveal.is-visible {
  transition-delay: 0.16s;
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 880px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}

.pricing-card {
  position: relative;
  background: var(--color-card);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.pricing-card--featured {
  border: 2px solid var(--color-primary);
  box-shadow: 0 12px 40px rgba(255, 122, 0, 0.22);
}

.pricing-card--featured:hover {
  box-shadow: 0 20px 56px rgba(255, 122, 0, 0.32);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
}

.pricing-title {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.pricing-price {
  margin: 0 0 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
}

.pricing-price .amount {
  font-size: 2.5rem;
  letter-spacing: -0.03em;
}

.pricing-price .currency {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-left: 0.25rem;
}

.pricing-meta {
  margin: -0.5rem 0 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.pricing-desc {
  flex: 1;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.pricing-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.pricing-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
  width: 100%;
}

.pricing-actions .btn {
  align-self: stretch;
  width: 100%;
  margin-top: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255, 122, 0, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 122, 0, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 122, 0, 0.25);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

/* --- CTA final --- */
.cta-final {
  padding: clamp(4rem, 9vw, 6rem) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(255, 122, 0, 0.1) 100%);
}

.cta-title {
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  margin: 0 0 1.25rem;
}

.cta-final p {
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-final p + p {
  margin-bottom: 2rem;
}

.cta-final .btn {
  margin-top: 0.5rem;
}

/* --- Redes sociales --- */
.social-section {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.social-inner {
  text-align: center;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem 3.5rem;
}

.social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  color: #fff;
  border-radius: 50%;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.social-btn--youtube {
  background: #ff0000;
  box-shadow: 0 8px 28px rgba(255, 0, 0, 0.35);
}

.social-btn--youtube:hover {
  background: #e60000;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 36px rgba(255, 0, 0, 0.45);
  color: #fff;
}

.social-btn--tiktok {
  background: #000;
  box-shadow: 0 8px 28px rgba(254, 44, 85, 0.3);
}

.social-btn--tiktok:hover {
  background: #111;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 36px rgba(37, 244, 238, 0.25);
  color: #fff;
}

.social-btn:active {
  transform: translateY(0) scale(1);
}

.social-caption {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* --- Footer --- */
.site-footer {
  padding: 1.5rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* --- WhatsApp flotante --- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.55);
  color: #fff;
}

.whatsapp-float:active {
  transform: scale(1);
}

/* --- Scroll reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay {
  transition-delay: 0.12s;
}

.cards-grid .card:nth-child(2).reveal.is-visible {
  transition-delay: 0.08s;
}

.cards-grid .card:nth-child(3).reveal.is-visible {
  transition-delay: 0.16s;
}

.pricing-grid .pricing-card:nth-child(2).reveal.is-visible {
  transition-delay: 0.1s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn-primary:hover,
  .btn-outline:hover,
  .nav-cta:hover,
  .card:hover,
  .pricing-card:hover,
  .step-card:hover,
  .whatsapp-float:hover,
  .social-btn:hover {
    transform: none;
  }
}