/* =========================================================
   Prime Pulse — Design tokens
   ========================================================= */
:root {
  --ink: #252A38;
  --pulse-blue: #2B65D4;
  --pulse-violet: #7D3ED4;
  --blue-tint: #EBF0FF;
  --paper: #F8FAFF;

  --gradient-brand: linear-gradient(135deg, var(--pulse-blue), var(--pulse-violet));

  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;

  --container-w: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 8px rgba(37, 42, 56, 0.06);
  --shadow-md: 0 10px 30px rgba(37, 42, 56, 0.10);

  --header-h: 72px;
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  margin: 0;
  line-height: 1.15;
  color: var(--ink);
}

p { margin: 0; }

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 16px 30px;
  font-size: 1.05rem;
}

.btn-nav {
  padding: 10px 18px;
  font-size: 0.88rem;
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(248, 250, 255, 0.97);
  border-bottom: 1px solid rgba(37, 42, 56, 0.06);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  height: 34px;
  width: auto;
}

.main-nav {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 36px;
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--blue-tint);
  color: var(--pulse-blue);
  border-radius: 999px;
  transition: background 0.15s ease;
}

.lang-switch-link:hover {
  background: rgba(43, 101, 212, 0.16);
}

.btn-nav { display: none; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav dropdown */
.main-nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--paper);
  padding: 12px 20px 20px;
  gap: 4px;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(37, 42, 56, 0.06);
}

.main-nav.is-open a {
  padding: 12px 4px;
  font-weight: 500;
  border-bottom: 1px solid rgba(37, 42, 56, 0.06);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 72px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
}

.hero-logo {
  height: 88px;
  width: auto;
  margin-bottom: 8px;
}

.hero-tagline {
  font-size: clamp(1.8rem, 6vw, 3.2rem);
  font-weight: 700;
  max-width: 18ch;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtext {
  max-width: 56ch;
  font-size: 1.05rem;
  color: rgba(37, 42, 56, 0.72);
}

.hero-actions {
  margin-top: 8px;
}

.hero-glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 520px;
  background: radial-gradient(closest-side, rgba(43, 101, 212, 0.16), rgba(125, 62, 212, 0.08) 60%, transparent 80%);
  z-index: 0;
  pointer-events: none;
}

/* =========================================================
   Breakpoints
   ========================================================= */
@media (min-width: 768px) {
  .hero { padding: 96px 0 110px; }
  .hero-subtext { font-size: 1.15rem; }
  .hero-logo { height: 104px; }
}

@media (min-width: 960px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    font-weight: 500;
    font-size: 0.95rem;
  }

  .main-nav a { opacity: 0.8; transition: opacity 0.15s ease; }
  .main-nav a:hover { opacity: 1; }

  .btn-nav { display: inline-flex; }
  .nav-toggle { display: none; }

  .header-inner { gap: 32px; }
}

/* =========================================================
   Shared section layout
   ========================================================= */
.section {
  padding: 64px 0;
}

.section:nth-of-type(even) {
  background: var(--blue-tint);
}

.section-header {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-eyebrow {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pulse-blue);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 4.5vw, 2.3rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-subtitle {
  color: rgba(37, 42, 56, 0.68);
  font-size: 1.02rem;
}

@media (min-width: 768px) {
  .section { padding: 88px 0; }
}

/* =========================================================
   Servicios
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.service-card {
  background: var(--paper);
  border: 1px solid rgba(37, 42, 56, 0.08);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.section:nth-of-type(even) .service-card {
  background: #fff;
}

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

.service-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-tint);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.service-card p {
  color: rgba(37, 42, 56, 0.68);
  font-size: 0.95rem;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* =========================================================
   Pricing
   ========================================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.price-card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(37, 42, 56, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.price-card.is-featured {
  border: 2px solid var(--pulse-blue);
  box-shadow: var(--shadow-md);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 26px;
  background: var(--gradient-brand);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}

.price-card h3 {
  font-size: 1.3rem;
}

.price {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--pulse-blue);
}

.price span:last-child {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(37, 42, 56, 0.55);
}

.price-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.price-features li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: rgba(37, 42, 56, 0.75);
}

.price-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue-tint);
  box-shadow: inset 0 0 0 2px var(--pulse-blue);
}

.btn-outline {
  background: transparent;
  color: var(--pulse-blue);
  border: 1.5px solid var(--pulse-blue);
}

.btn-outline:hover {
  background: var(--blue-tint);
}

.pricing-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.9rem;
  color: rgba(37, 42, 56, 0.6);
}

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

/* =========================================================
   Casos de clientes
   ========================================================= */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.case-card {
  background: #fff;
  border: 1px solid rgba(37, 42, 56, 0.08);
  border-radius: var(--radius-md);
  padding: 30px 26px;
}

.case-logo {
  height: 40px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  object-position: left;
  margin-bottom: 16px;
  border-radius: 6px;
}

.case-location {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--pulse-violet);
  margin-bottom: 10px;
}

.case-card p:last-child {
  color: rgba(37, 42, 56, 0.72);
  font-size: 0.95rem;
}

@media (min-width: 700px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================================
   Nosotros
   ========================================================= */
.about-inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-text .section-eyebrow,
.about-text .section-title {
  text-align: left;
}

.about-text p {
  color: rgba(37, 42, 56, 0.72);
  font-size: 1.02rem;
}

.about-certs {
  background: #fff;
  border: 1px solid rgba(37, 42, 56, 0.08);
  border-radius: var(--radius-md);
  padding: 26px;
}

.about-certs h3 {
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.certs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.certs-list li {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  background: var(--blue-tint);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  text-align: center;
  color: var(--ink);
}

@media (min-width: 900px) {
  .about-inner {
    flex-direction: row;
    align-items: flex-start;
  }
  .about-text { flex: 1.3; }
  .about-certs { flex: 1; }
}

/* =========================================================
   Contacto
   ========================================================= */
.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 880px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: #fff;
  border: 1px solid rgba(37, 42, 56, 0.08);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
}

.form-field input,
.form-field textarea {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.98rem;
  padding: 12px 14px;
  border: 1px solid rgba(37, 42, 56, 0.15);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--pulse-blue);
}

.botcheck {
  display: none;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-status {
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 1.2em;
}

.form-status.is-success {
  color: #1a8a4a;
}

.form-status.is-error {
  color: #c23a3a;
}

.contact-alt {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.contact-alt-text {
  font-size: 0.98rem;
  color: rgba(37, 42, 56, 0.72);
}

.contact-alt-text a {
  color: var(--pulse-blue);
  font-weight: 600;
}

@media (min-width: 900px) {
  .contact-grid {
    flex-direction: row;
    align-items: flex-start;
  }
  .contact-form { flex: 1.3; }
  .contact-alt {
    flex: 1;
    padding-top: 16px;
  }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--ink);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-logo {
  height: 28px;
  width: auto;
}

.footer-legal {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
}

.footer-legal a {
  color: rgba(248, 250, 255, 0.7);
  transition: color 0.15s ease;
}

.footer-legal a:hover {
  color: #fff;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(248, 250, 255, 0.62);
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* =========================================================
   Páginas legales (Términos / Privacidad)
   ========================================================= */
.legal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.legal-back {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--pulse-blue);
}

.legal {
  padding: 56px 0 88px;
}

.legal-inner {
  max-width: 760px;
}

.legal-updated {
  color: rgba(37, 42, 56, 0.55);
  font-size: 0.9rem;
  margin-top: 8px;
  margin-bottom: 40px;
}

.legal h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.legal-section p,
.legal-section li {
  color: rgba(37, 42, 56, 0.75);
  font-size: 0.98rem;
  line-height: 1.65;
}

.legal-section ul {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal-section a {
  color: var(--pulse-blue);
  font-weight: 600;
}

@media (min-width: 768px) {
  .legal { padding: 80px 0 110px; }
}