:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --accent: #8b5cf6;
  --accent-2: #a78bfa;
  --accent-glow: #c4b5fd;
  --accent-pink: #ec4899;
  --accent-amber: #f59e0b;
  --accent-cyan: #22d3ee;
  --bg: #060309;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}
body {
  overflow-x: clip;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(139, 92, 246, 0.14), transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 20%, rgba(124, 58, 237, 0.10), transparent 60%),
    var(--bg);
}
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.text-balance { text-wrap: balance; }

::selection {
  background: var(--accent);
  color: #ffffff;
}

:focus-visible {
  outline: 2px solid var(--accent-glow);
  outline-offset: 3px;
  border-radius: 4px;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent), var(--accent-deep, #5b21b6));
  border-radius: 999px;
  border: 2px solid var(--bg);
}
html { scrollbar-color: var(--accent) var(--bg); scrollbar-width: thin; }

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 9999;
  padding: 0.7rem 1.1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: top 0.25s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.section { padding-block: clamp(4.5rem, 9vw, 8rem); position: relative; }

.section-title {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 30ch;
  margin-inline: auto;
}

.text-glow {
  font-style: normal;
  font-weight: 600;
  background: linear-gradient(120deg, var(--accent-glow), var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-glow.glow-pink {
  background: linear-gradient(120deg, var(--accent-pink), var(--accent-glow));
  -webkit-background-clip: text;
  background-clip: text;
}
.text-glow.glow-amber {
  background: linear-gradient(120deg, var(--accent-amber), var(--accent-pink));
  -webkit-background-clip: text;
  background-clip: text;
}
.text-glow.glow-cyan {
  background: linear-gradient(120deg, var(--accent-cyan), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-soft), transform 0.8s var(--ease-soft);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.intro-splash {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #000;
  display: none;
}
html.intro-pending .intro-splash { display: block; }
html.intro-pending { overflow: hidden; }

.intro-splash.is-leaving {
  opacity: 0;
  transition: opacity 0.9s var(--ease-soft);
  pointer-events: none;
}

.intro-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

html.intro-pending header,
html.intro-pending main {
  opacity: 0;
  pointer-events: none;
}
main {
  transition: opacity 1s var(--ease-soft);
}

[data-intro-reveal] {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft), filter 0.9s var(--ease-soft);
}
[data-intro-reveal].is-revealed {
  opacity: 1;
  filter: blur(0);
  transform: none;
}

.nav {
  transition: background-color 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), opacity 1s var(--ease-soft);
}
.nav.is-scrolled {
  background: rgba(6, 3, 9, 0.72);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}
@supports (backdrop-filter: blur(16px)) {
  .nav.is-scrolled { backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); }
}

.nav-link {
  position: relative;
  padding-block: 0.2rem;
  transition: color 0.25s var(--ease-out);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent-2);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-toggle-line {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.35s var(--ease-soft), opacity 0.25s var(--ease-soft);
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-line--top {
  transform: translateY(5px) rotate(45deg);
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-line--mid {
  opacity: 0;
}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-line--bottom {
  transform: translateY(-5px) rotate(-45deg);
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  top: 4rem;
  z-index: 39;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-soft);
}
.mobile-menu-backdrop.is-open { opacity: 1; pointer-events: auto; }

.mobile-menu {
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  z-index: 40;
  max-height: 0;
  overflow: hidden;
  background: rgba(6, 3, 9, 0.97);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  transition: max-height 0.45s var(--ease-soft);
}
.mobile-menu.is-open { max-height: 28rem; }
.mobile-menu ul { padding-block: 2rem; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px -8px rgba(139, 92, 246, 0.55);
  transition: transform 0.35s var(--ease-soft), box-shadow 0.35s var(--ease-soft), filter 0.3s;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px -10px rgba(139, 92, 246, 0.65);
  filter: brightness(1.08);
}
.btn-primary:active { transform: translateY(-1px); transition-duration: 0.12s; }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--ink, #f5f3ff);
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color 0.3s var(--ease-out), background-color 0.3s var(--ease-out), transform 0.35s var(--ease-soft);
}
.btn-ghost:hover {
  border-color: var(--accent-glow);
  background: rgba(139, 92, 246, 0.08);
  transform: translateY(-3px);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-inline: 1.25rem;
  padding-block: clamp(6rem, 16vh, 9rem);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin-inline: auto;
}

.hero-title {
  font-size: clamp(2.3rem, 6.4vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--accent-glow), var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.city-ambient {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: block;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.4s var(--ease-out);
}
.city-ambient.is-active { opacity: 1; }

main, footer {
  position: relative;
  z-index: 2;
}

#quienes-somos .eyebrow::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 0.55em;
  margin-bottom: 0.1em;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-amber), var(--accent-cyan));
  vertical-align: middle;
}

.quienes-note {
  max-width: 34rem;
  margin: 2.5rem auto 0;
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-mute, #b6aed1);
}
.quienes-note::before {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin: 0 auto 1.5rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-amber), var(--accent-cyan));
}

.card {
  --rx: 0deg; --ry: 0deg;
  position: relative;
  padding: 1.75rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease-soft), border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.card:hover {
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: 0 24px 60px -24px rgba(139, 92, 246, 0.5);
  transition-duration: 0.15s;
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem; height: 3rem;
  border-radius: 14px;
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-glow);
  margin-bottom: 1.1rem;
}
.card-icon svg { width: 22px; height: 22px; }
.card-title { font-family: "Space Grotesk", system-ui, sans-serif; font-weight: 600; font-size: 1.1rem; margin-bottom: 0.5rem; }
.card-text { font-size: 0.9rem; color: var(--ink-mute, #b6aed1); line-height: 1.6; }

.project-card {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.5s var(--ease-soft), border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: 0 30px 60px -22px rgba(139, 92, 246, 0.5);
}
.project-card img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  transition: transform 0.7s var(--ease-soft);
}
.project-card:hover img { transform: scale(1.06); }
.project-card-title {
  display: block;
  padding: 1rem 1.1rem 1.2rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-icon, .social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem; height: 2.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--ink-mute, #b6aed1);
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out), transform 0.35s var(--ease-soft);
}
.contact-icon svg, .social-icon svg { width: 18px; height: 18px; }
.social-icon:hover {
  color: var(--accent-glow);
  border-color: var(--accent-glow);
  transform: translateY(-3px);
}

.form-card {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-mute, #b6aed1);
  margin-bottom: 0.5rem;
}
.field input, .field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out);
}
.field input::placeholder, .field textarea::placeholder { color: rgba(245, 243, 255, 0.32); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent-glow);
  background: rgba(139, 92, 246, 0.06);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: #f87171; }

.field-error {
  min-height: 1.1rem;
  font-size: 0.78rem;
  color: #f87171;
  margin-top: 0.35rem;
}

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-submit-spinner {
  position: absolute; inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
}
.form-submit-spinner::after {
  content: "";
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
[data-contact-form].is-sending .form-submit-label { visibility: hidden; }
[data-contact-form].is-sending .form-submit-spinner { display: flex; }

.form-status {
  min-height: 1.2rem;
  margin-top: 1rem;
  font-size: 0.85rem;
}
.form-status.is-success { color: #86efac; }
.form-status.is-error { color: #f87171; }
.form-status.is-hint { color: var(--ink-mute, #b6aed1); }

@media (min-width: 720px) {
  .section { padding-block: clamp(5rem, 8vw, 7rem); }
}

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

  [data-intro-reveal] {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }
}