/* ── Tokens ── */
:root {
  --bg: #121820;
  --bg-card: #1e293b;
  --text: #94a3b8;
  --text-heading: #ffffff;
  --accent: #ff007f;
  --accent-hover: #ff5722;
  --border-subtle: rgba(148, 163, 184, 0.12);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Montserrat', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
  --section-gap: clamp(5rem, 12vw, 9rem);
  --content-width: 72rem;
  --radius: 0.75rem;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

img,
svg {
  display: block;
}

button {
  font: inherit;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
}

/* ── Hero background (optional — add your own image/SVG) ── */
.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  /* Uncomment when you have your design:
  background-image: url('img/hero-bg.svg');
  background-repeat: no-repeat;
  background-position: top right;
  background-size: min(55vw, 28rem);
  opacity: 0.9;
  */
}
.icon {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.icon-sm {
  width: 1.125rem;
  height: 1.125rem;
}

.icon-xs {
  width: 0.875rem;
  height: 0.875rem;
}

/* ── Header ── */
.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.5rem clamp(1.25rem, 4vw, 2rem);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.logo .icon {
  color: var(--accent);
}

.logo-accent {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.lang-switch__btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: capitalize;
  color: var(--text);
  opacity: 0.45;
  background: none;
  border: none;
  padding: 0.2rem 0.25rem;
  cursor: pointer;
  transition: color var(--transition), opacity var(--transition);
}

.lang-switch__btn:hover {
  opacity: 0.85;
  color: var(--text-heading);
}

.lang-switch__btn.is-active {
  color: var(--accent);
  opacity: 1;
}

.lang-switch__sep {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  opacity: 0.25;
  user-select: none;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: border-color var(--transition), color var(--transition);
}

.header-cta:hover {
  border-color: var(--accent);
  color: var(--text-heading);
}

/* ── Layout ── */
main {
  position: relative;
  z-index: 1;
}

.section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem);
}

.section + .section {
  margin-top: var(--section-gap);
}

.label-mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text);
  opacity: 0.7;
  margin-bottom: 1.25rem;
}

.section-label {
  margin-bottom: 0.75rem;
}

.title-dot {
  color: var(--accent);
}

/* ── Hero ── */
.hero {
  padding-top: clamp(3rem, 10vw, 7rem);
  padding-bottom: clamp(2rem, 6vw, 4rem);
  max-width: 42rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-heading);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  margin-bottom: 2.5rem;
  max-width: 36rem;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: #fff;
  background: var(--accent);
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(255, 0, 127, 0.3),
    0 4px 24px rgba(255, 0, 127, 0.35),
    0 0 48px rgba(255, 0, 127, 0.15);
  transition:
    background var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow:
    0 0 0 1px rgba(255, 87, 34, 0.4),
    0 6px 32px rgba(255, 87, 34, 0.4),
    0 0 56px rgba(255, 87, 34, 0.2);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ── Manifiesto ── */
.manifesto {
  max-width: 38rem;
}

.manifesto h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.manifesto p {
  font-size: 1.0625rem;
}

/* ── Capabilities ── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 2.5rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 32px rgba(255, 0, 127, 0.08);
  transform: translateY(-2px);
}

.card-icon {
  margin-bottom: 1.25rem;
  color: var(--text-heading);
  opacity: 0.85;
}

.card-icon .icon {
  width: 1.75rem;
  height: 1.75rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ── Contact ── */
.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 28rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  opacity: 0.8;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--text-heading);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-alt {
  padding-top: 0.5rem;
}

.contact-alt p {
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-heading);
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.contact-email:hover {
  border-color: var(--accent);
}

.contact-email .icon {
  color: var(--accent);
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--section-gap) clamp(1.25rem, 4vw, 2rem) 2.5rem;
  margin-top: var(--section-gap);
  border-top: 1px solid var(--border-subtle);
}

.site-footer p {
  font-size: 0.8125rem;
  color: var(--text);
  opacity: 0.6;
}

.footer-legal {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem !important;
  opacity: 0.45 !important;
}

/* ── Form feedback ── */
.form-notice {
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.form-notice.success {
  color: #6ee7b7;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.form-notice.error {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .header-actions {
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .site-header {
    gap: 1rem;
  }

  .header-actions {
    gap: 0.65rem;
  }

  .header-cta {
    padding: 0.45rem 0.6rem;
    font-size: 0.6875rem;
  }

  .hero {
    padding-top: 2rem;
  }

  .btn-primary {
    width: 100%;
    justify-content: center;
  }
}