/* ============================================
   TOMAI — Premium dark tech landing
   ============================================ */

:root {
  --bg-dark: #f5f5f7;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --text-subtle: #86868b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --radius: 12px;
  --radius-lg: 16px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.page-wrapper {
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ----- Modal ----- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal.is-open .modal-content {
  transform: scale(1);
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
  transform: scale(0.96);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.modal-close:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.06);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.modal-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.contact-form .form-row {
  margin-bottom: var(--space-md);
}

.contact-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.contact-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  background: #f5f5f7;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form input::placeholder {
  color: var(--text-subtle);
}

.contact-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.btn-block {
  width: 100%;
  margin-top: var(--space-sm);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-cta-header {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-cta-header:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--text-subtle);
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  background: rgba(245, 245, 247, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 80px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.burger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

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

.nav-mobile a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) 0;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(37, 99, 235, 0.04), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1120px;
  padding: 0 var(--space-md);
}

.hero-inner--centered {
  text-align: center;
}

.hero-inner--centered .hero-label,
.hero-inner--centered .hero-title,
.hero-inner--centered .hero-subtitle,
.hero-inner--centered .hero-cta {
  margin-left: auto;
  margin-right: auto;
}

.hero-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  max-width: none;
}

.hero-inner--centered .hero-title {
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.2vw, 1.375rem);
  color: var(--text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-inner--centered .hero-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  margin-bottom: var(--space-2xl);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-subtle);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-subtle), transparent);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ----- Sections common ----- */
.section {
  padding: var(--space-3xl) 0;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  max-width: 20ch;
}

/* Section heading: Servicios, Beneficios, Proceso (grande y claro) */
.section-heading {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  color: var(--text);
  text-align: center;
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 50ch;
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

/* Full-width section blocks (texto a todo ancho) */
.section-fullwidth {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 0 var(--space-md);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section-title--full,
.section-lead--full {
  max-width: none;
  width: 100%;
  text-align: center;
}

.section-title--full {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.section-lead--full {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ----- Problema ----- */
.section-problema {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.section-problema .section-fullwidth {
  margin-bottom: var(--space-lg);
}

.problema-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.problema-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.problema-card:hover {
  border-color: rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.problema-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.problema-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.problema-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.problema-cta {
  font-size: 1.0625rem;
  color: var(--text);
  font-weight: 500;
  max-width: 40ch;
}

/* ----- Servicios ----- */
.section-servicios .section-fullwidth {
  margin-bottom: var(--space-lg);
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.servicio-card {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.servicio-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.servicio-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  display: block;
}

.servicio-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.servicio-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ----- Beneficios ----- */
.section-beneficios {
  background: var(--bg-dark);
}

.section-beneficios .section-fullwidth {
  margin-bottom: var(--space-lg);
}

.beneficios-visual {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.beneficios-illustration {
  width: 100%;
  max-width: 360px;
  height: auto;
  margin: 0 auto;
  color: var(--text-subtle);
}

.beneficios-dot {
  fill: var(--accent);
}

.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.beneficio-card {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
}

.beneficio-card:hover {
  border-color: rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.beneficio-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  display: block;
  text-align: center;
}

.beneficio-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.beneficio-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .beneficios-grid {
    grid-template-columns: 1fr;
  }
}

/* ----- Proceso ----- */
.proceso-row-wrapper {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 0 var(--space-md);
}

.proceso-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  max-width: 1400px;
  margin: 0 auto;
}

.proceso-box {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.proceso-box:hover {
  border-color: rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.proceso-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.proceso-box h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.proceso-box p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .proceso-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .proceso-row {
    grid-template-columns: 1fr;
  }
}

/* ----- Casos de uso ----- */
.section-casos {
  background: var(--bg-card);
}

.section-casos .section-fullwidth {
  margin-bottom: var(--space-lg);
}

.casos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.caso-card {
  padding: var(--space-lg);
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}

.caso-card:hover {
  border-color: rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.caso-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.caso-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ----- CTA Final ----- */
.section-cta-final {
  padding: var(--space-3xl) 0;
}

.cta-final-box {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 640px;
  margin: 0 auto;
}

.cta-final-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.cta-final-text {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

/* ----- Footer ----- */
.footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.footer-logo {
  height: 28px;
  width: auto;
  margin-bottom: var(--space-xs);
  display: block;
  object-fit: contain;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-contact a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
}

.footer-copy {
  width: 100%;
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-top: var(--space-md);
}

/* ----- Páginas legales ----- */
.legal-page {
  padding: calc(80px + var(--space-2xl)) 0 var(--space-3xl);
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.legal-content h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-xl);
  color: var(--text);
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.legal-content p,
.legal-content li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-sm);
}

.legal-content ul {
  margin: var(--space-sm) 0 var(--space-md);
  padding-left: 1.5rem;
}

.legal-content .back-link {
  display: inline-block;
  margin-bottom: var(--space-xl);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}

.legal-content .back-link:hover {
  text-decoration: underline;
}

/* ----- Fade-in (JS toggles .visible) ----- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
  .nav,
  .btn-cta-header {
    display: none;
  }

  .burger {
    display: flex;
  }

  .nav-mobile {
    display: flex;
  }

  .section-title {
    max-width: none;
  }

  .hero-title {
    max-width: none;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .modal-content {
    padding: var(--space-lg);
  }

  .hero {
    padding: calc(70px + var(--space-2xl)) 0 var(--space-2xl);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .cta-final-box {
    padding: var(--space-xl) var(--space-md);
  }
}