/* FoundTeach - Estilos institucionales */

:root {
  --color-bg: #0a0c10;
  --color-bg-elevated: #12151c;
  --color-bg-card: #161a24;
  --color-text: #e8eaed;
  --color-text-muted: #8b919e;
  --color-accent: #22c4e8;
  --color-accent-hover: #3dd4f5;
  --color-accent-muted: rgba(34, 196, 232, 0.15);
  --color-border: rgba(139, 145, 158, 0.15);
  --font-sans: 'Instrument Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  background: rgba(10, 12, 16, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

.nav-cta {
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: var(--color-bg) !important;
  border-radius: var(--radius);
}

.nav-cta:hover {
  background: var(--color-accent-hover);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(34, 196, 232, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 196, 232, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black, transparent);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 800px;
  height: 500px;
  background: radial-gradient(
    ellipse at center,
    rgba(34, 196, 232, 0.12) 0%,
    rgba(34, 196, 232, 0.04) 40%,
    transparent 70%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  margin-bottom: 1.5rem;
  background: var(--color-accent-muted);
  color: var(--color-accent);
  border-radius: 100px;
  border: 1px solid rgba(34, 196, 232, 0.3);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  color: var(--color-accent);
  position: relative;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 3rem;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Sections */
.section {
  padding: 6rem 0;
}

.section-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* Services */
.services {
  background: var(--color-bg-elevated);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.service-card:hover {
  border-color: rgba(34, 196, 232, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  padding: 0.75rem;
  background: var(--color-accent-muted);
  border-radius: var(--radius);
  color: var(--color-accent);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* About */
.about-values {
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
}

.about-values li {
  display: flex;
  gap: 0.5rem;
  font-size: 1rem;
  color: var(--color-text-muted);
}

.about-values strong {
  color: var(--color-text);
  min-width: 140px;
}

.about-text {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 0.5rem;
}

/* Projects */
.projects-cta {
  text-align: center;
  padding: 3rem;
  background: var(--color-bg-card);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.projects-cta p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* Contact */
.contact {
  background: var(--color-bg-elevated);
}

.contact-content {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.contact-text {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Footer */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.logo-footer {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text);
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Mobile menu */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 2rem;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

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

  .nav-toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav-toggle span {
    transition: transform 0.2s, opacity 0.2s;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 7rem 1.5rem 3rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
  }

  .section {
    padding: 4rem 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
}