/* ==========================================================================
   ALDOFRIAS-V2 — Sistema de diseño
   Arquitecto de Software · IA · IoT · Blockchain
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Paleta */
  --bg: #0b0f1e;
  --bg-elevated: #111631;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #eef1fb;
  --text-muted: #9aa3c0;
  --text-faint: #6b7394;

  --indigo: #6366f1;
  --violet: #a78bfa;
  --cyan: #22d3ee;
  --emerald: #34d399;
  --amber: #fbbf24;
  --danger: #f87171;
  --whatsapp: #25d366;

  --grad: linear-gradient(125deg, #7c3aed 0%, #6366f1 42%, #22d3ee 100%);

  /* Tipografía */
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  /* Geometría */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);

  --container: 1160px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

::selection { background: rgba(99, 102, 241, 0.4); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a3152; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #3a4270; }

/* ---------- Utilidades ---------- */
.container { width: min(var(--container), 100% - 2.5rem); margin-inline: auto; }

.icon { width: 1.1em; height: 1.1em; flex-shrink: 0; }

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 3000;
  background: var(--indigo);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0; }

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

/* ---------- Fondo aurora ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  animation: orbFloat 18s ease-in-out infinite alternate;
}

.aurora-orb--1 {
  width: 480px; height: 480px;
  top: -140px; left: -120px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.55), transparent 70%);
}

.aurora-orb--2 {
  width: 420px; height: 420px;
  top: 30%; right: -160px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.35), transparent 70%);
  animation-delay: -6s;
}

.aurora-orb--3 {
  width: 380px; height: 380px;
  bottom: -120px; left: 28%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.4), transparent 70%);
  animation-delay: -12s;
}

.aurora-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}

@keyframes orbFloat {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(40px, 30px, 0) scale(1.12); }
}

/* ---------- Fondo: canvas de partículas ---------- */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

/* ---------- Fondo: video opcional (se activa si existe assets/videos/bg.mp4) ---------- */
.bg-video {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: blur(3px) saturate(0.8);
  pointer-events: none;
}

/* ---------- Barra de progreso ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 2000;
  transition: width 0.1s linear;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11, 15, 30, 0.5);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.scrolled {
  background: rgba(11, 15, 30, 0.82);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--text);
}

.logo em { font-style: normal; color: var(--violet); }

.logo-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(-45deg, var(--indigo), var(--violet), var(--cyan));
  background-size: 300% 300%;
  animation: gradShift 8s ease infinite;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.45);
}

@keyframes gradShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-links a {
  position: relative;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0.9rem; right: 0.9rem; bottom: 0.2rem;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta { display: inline-flex; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--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); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.6rem;
  border-radius: 50px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  position: relative;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}

/* Respuesta táctil (Miro-like): ligero hundimiento al presionar */
.btn:active { transform: scale(0.965); }

.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(124, 58, 237, 0.5);
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--indigo);
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.22);
}

.btn--youtube {
  background: #ff0000;
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 0, 0, 0.3);
}

.btn--youtube:hover {
  transform: translateY(-2px);
  background: #e60000;
  box-shadow: 0 12px 32px rgba(255, 0, 0, 0.45);
}

.btn--full { width: 100%; }
.btn--sm { padding: 0.6rem 1.2rem; font-size: 0.9rem; }

/* ---------- Secciones ---------- */
.section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.section--alt {
  background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.045) 20%, rgba(99, 102, 241, 0.045) 80%, transparent);
}

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(2.5rem, 6vw, 4rem);
  text-align: center;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.section-intro {
  margin-top: 1.1rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1.1rem;
  border-radius: 50px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--emerald);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
  margin-bottom: 1.6rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7.5vw, 5.2rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero-role {
  margin-top: 1.2rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 600;
  color: var(--text);
  min-height: 2em;
}

.hero-role .cursor { color: var(--cyan); animation: blink 1s step-end infinite; }

@keyframes blink {
  50% { opacity: 0; }
}

.hero-sub {
  max-width: 640px;
  margin-top: 1.1rem;
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2.2rem;
}

/* ---------- Stats ---------- */
.stats {
  display: flex;
  gap: clamp(1.5rem, 5vw, 4rem);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 3.5rem;
  padding: 1.6rem 2.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

.stat { text-align: center; }

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ---------- Sobre mí ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-media { position: relative; }

.about-photo-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}

.about-photo-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(99, 102, 241, 0.25), transparent 45%);
  z-index: 1;
  pointer-events: none;
}

.about-photo-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.about-float-card {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1.1rem;
  background: rgba(11, 15, 30, 0.85);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.about-float-card .float-card-icon { font-size: 1.5rem; }
.about-float-card strong { display: block; font-size: 0.95rem; }
.about-float-card small { color: var(--text-muted); font-size: 0.78rem; }

.about-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.25;
  margin-bottom: 1.1rem;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.about-content strong { color: var(--text); }

.link-inline {
  color: var(--cyan);
  font-weight: 600;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  transition: border-color 0.2s;
}

.link-inline:hover { border-bottom-color: var(--cyan); }

.about-callout {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  margin: 1.4rem 0;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.09);
  border-left: 3px solid var(--indigo);
}

.about-callout .icon { color: var(--violet); margin-top: 0.2rem; }
.about-callout p { margin: 0; color: var(--text); }

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}

.chip {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.84rem;
  font-weight: 600;
}

.chip--soft {
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

/* ---------- Cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.4rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1.8rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6), 0 0 40px rgba(124, 58, 237, 0.18);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.card-icon svg { width: 26px; height: 26px; }

.card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.card p { color: var(--text-muted); font-size: 0.95rem; flex-grow: 1; }

.card-tags {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--violet);
}

/* ---------- Proyectos ---------- */
.card--project { padding: 0; overflow: hidden; gap: 0; }

.project-media {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: linear-gradient(135deg, #171d3d, #232b56);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
  transition: transform 0.45s var(--ease);
}

.card--project:hover .project-media img { transform: scale(1.06); }

.project-media--pos360 {
  background: #ffffff; /* blanco de marca POS360 */
}

.project-media--mdps {
  background: #1e1e1e; /* oscuro de marca Mar del Plata Secreta */
}

.project-media--eterna {
  background: #0a0a0a; /* negro de marca EternaConexión */
}

.project-media--paraiso {
  background: #ffffff; /* blanco de marca ParaisoPet */
}

.project-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.5rem 1.6rem 1.7rem;
}

.project-body h3 { font-family: var(--font-display); font-size: 1.25rem; }
.project-body sup { color: var(--violet); font-size: 0.6em; }
.project-body p { color: var(--text-muted); font-size: 0.95rem; flex-grow: 1; }
.project-body .btn { align-self: flex-start; margin-top: 0.4rem; }

/* ---------- Banner YouTube ---------- */
.youtube-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding: 2rem 2.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.06));
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.youtube-banner h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 0.3rem; }
.youtube-banner p { color: var(--text-muted); }

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 108px;
  width: 2px;
  background: linear-gradient(180deg, var(--indigo), var(--cyan), transparent);
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 1.5rem;
}

.timeline-year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--cyan);
  text-align: right;
  padding-top: 1.1rem;
}

.timeline-card {
  padding: 1.2rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.timeline-card:hover {
  transform: translateX(4px);
  border-color: rgba(34, 211, 238, 0.4);
}

.timeline-card h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.35rem; }
.timeline-card p { color: var(--text-muted); font-size: 0.94rem; }

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.2rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.contact-card:hover { border-color: rgba(99, 102, 241, 0.45); transform: translateX(3px); }

.contact-card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-card strong { display: block; font-size: 0.9rem; color: var(--text); margin-bottom: 0.15rem; }
.contact-card p { color: var(--text-muted); font-size: 0.95rem; }
.contact-card a { color: var(--cyan); font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }

.social-row { display: flex; gap: 0.6rem; margin-top: 0.3rem; }

.social-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.social-btn svg { width: 20px; height: 20px; }

.social-btn:hover {
  background: var(--grad);
  color: #fff;
  transform: translateY(-2px);
}

/* ---------- Formulario ---------- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(11, 15, 30, 0.7);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }

.form-note { font-size: 0.8rem; color: var(--text-faint); text-align: center; }

.recaptcha-box { margin-bottom: 1rem; min-height: 20px; }
.recaptcha-box .g-recaptcha { transform: scale(0.92); transform-origin: left top; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  bottom: 1.6rem;
  right: 1.6rem;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 1500;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  animation: pulseGreen 2.4s infinite;
}

.wa-float svg { width: 30px; height: 30px; }

.wa-float:hover {
  transform: scale(1.1) rotate(6deg);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

@keyframes pulseGreen {
  0% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(4, 6, 14, 0.8);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
}

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

.modal-box {
  position: relative;
  width: min(420px, 100%);
  padding: 2.4rem 2rem;
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transform: scale(0.92) translateY(10px);
  transition: transform 0.35s var(--ease);
}

.modal.open .modal-box { transform: scale(1) translateY(0); }

.modal-close {
  position: absolute;
  top: 0.9rem;
  right: 1.1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover { color: #fff; }

.modal-icon { font-size: 3rem; display: block; margin-bottom: 0.8rem; }
.modal-box h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 0.5rem; }
.modal-box p { color: var(--text-muted); margin-bottom: 1.4rem; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 3rem 0 2.2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background: rgba(8, 11, 22, 0.6);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-logo .logo-mark { width: 32px; height: 32px; font-size: 0.7rem; border-radius: 9px; }

.footer-tagline { margin-top: 0.8rem; color: var(--text-muted); font-size: 0.92rem; }

.footer-social {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.footer-social a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.footer-social a svg { width: 20px; height: 20px; }

.footer-social a:hover {
  color: #fff;
  background: var(--grad);
  transform: translateY(-2px);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.6rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.footer-links a { color: var(--text-muted); font-size: 0.86rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--cyan); }
.footer-sivol { color: var(--violet) !important; font-weight: 600; }

.copyright { margin-top: 1.2rem; color: var(--text-faint); font-size: 0.82rem; }

/* ---------- Selector de idioma (i18n) ---------- */
.aldo-lang-selector {
  position: relative;
  z-index: 110;
}

.aldo-lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
  max-width: min(180px, 42vw);
}

.aldo-lang-trigger:hover,
.aldo-lang-selector.is-open .aldo-lang-trigger {
  border-color: var(--indigo);
  background: rgba(99, 102, 241, 0.15);
}

.aldo-lang-trigger-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aldo-lang-arrow { font-size: 0.55rem; opacity: 0.7; flex-shrink: 0; }

.aldo-flag { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; line-height: 1; }
.aldo-flag-img { width: 20px; height: auto; border-radius: 2px; object-fit: cover; display: block; }
.aldo-flag-emoji { font-size: 1rem; line-height: 1; }

.aldo-lang-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 200px;
  max-width: min(280px, 92vw);
  max-height: min(320px, 60vh);
  overflow-y: auto;
  margin: 0;
  padding: 0.35rem;
  list-style: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}

.aldo-lang-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.aldo-lang-option:hover,
.aldo-lang-panel [role="option"].is-selected .aldo-lang-option {
  background: rgba(99, 102, 241, 0.2);
}

.nav-lang-item { display: flex; align-items: center; }

/* ---------- RTL (árabe y hebreo) ---------- */
body.aldo-rtl .nav-links,
body.aldo-rtl .hero-actions,
body.aldo-rtl .stats,
body.aldo-rtl .about-highlights,
body.aldo-rtl .contact-grid,
body.aldo-rtl .footer-social,
body.aldo-rtl .footer-links {
  direction: rtl;
}

body.aldo-rtl .aldo-lang-panel { left: 0; right: auto; }

body.aldo-rtl .timeline::before { left: auto; right: 108px; }

body.aldo-rtl .timeline-item { direction: rtl; }

body.aldo-rtl .about-float-card { left: auto; right: 1.2rem; }

body.aldo-rtl .wa-float { left: 1.6rem; right: auto; }

@media (max-width: 860px) {
  .nav-lang-item { width: 100%; }
  .aldo-lang-selector { width: 100%; }
  .aldo-lang-trigger { width: 100%; justify-content: center; max-width: none; }
  .aldo-lang-panel { left: 0; right: 0; min-width: unset; }
}

/* ---------- Cinta de tecnologías (marquee) ---------- */
.tech-marquee {
  overflow: hidden;
  padding: 1.1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.06) 20%, rgba(34, 211, 238, 0.06) 80%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.tech-marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 36s linear infinite;
}

.tech-marquee:hover .tech-marquee-track { animation-play-state: paused; }

.tech-marquee-group {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-right: 0.9rem;
  flex-shrink: 0;
}

.tech-marquee-group span {
  padding: 0.45rem 1.1rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  white-space: nowrap;
}

.tech-marquee-group span:nth-child(3n+1) { color: var(--violet); }
.tech-marquee-group span:nth-child(3n+2) { color: var(--cyan); }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Terminal ---------- */
.terminal {
  max-width: 780px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  background: #0a0e1d;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow), 0 0 60px rgba(99, 102, 241, 0.12);
  font-family: "Cascadia Code", "Fira Code", Consolas, "Courier New", monospace;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.terminal-dot--red { background: #ff5f57; }
.terminal-dot--yellow { background: #febc2e; }
.terminal-dot--green { background: #28c840; }

.terminal-title {
  margin-left: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.03em;
}

.terminal-body {
  padding: 1.2rem 1.4rem 1.4rem;
  min-height: 250px;
  font-size: 0.92rem;
  line-height: 1.8;
  overflow-x: auto;
}

.terminal-line { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.terminal-prompt { color: var(--emerald); font-weight: 600; white-space: nowrap; }
.terminal-cmd { color: var(--text); white-space: nowrap; }
.terminal-line--out { color: var(--cyan); margin-bottom: 0.9rem; white-space: pre-wrap; }
.terminal-line--ready { margin-bottom: 0.9rem; }

.terminal-cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  background: var(--cyan);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

.terminal-hint {
  margin-top: 1.2rem;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
}

.terminal-line--input {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.terminal-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: inherit;
  caret-color: var(--cyan);
}

.terminal-input::placeholder { color: var(--text-faint); }

/* ---------- Arquitectura en vivo ---------- */
.arch-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08), transparent 70%);
  box-shadow: var(--shadow);
  overflow-x: auto;
  overflow-y: hidden;
}

.arch-canvas {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.arch-caption {
  margin-top: 1rem;
  text-align: center;
  color: var(--text-faint);
  font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

@media (max-width: 560px) {
  .terminal-body { font-size: 0.8rem; padding: 1rem; }
}

/* ---------- Efecto tilt 3D en tarjetas ---------- */
@media (hover: hover) {
  .card { will-change: transform; }
}

/* ---------- Hero: reloj en vivo + brillo del título ---------- */
.hero .badge { margin-bottom: 0.6rem; }

.hero-clock {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  animation: pulse 2.2s infinite;
}

.hero-title .gradient-text {
  background-size: 200% auto;
  animation: gradPan 5s linear infinite;
}

@keyframes gradPan {
  from { background-position: 0% center; }
  to { background-position: 200% center; }
}

/* ---------- Indicador de scroll ---------- */
.scroll-indicator {
  display: inline-flex;
  margin-top: 2.6rem;
  opacity: 0.85;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.scroll-indicator:hover { opacity: 1; transform: translateY(2px); }

.scroll-mouse {
  position: relative;
  display: block;
  width: 24px;
  height: 38px;
  border: 2px solid var(--border-strong);
  border-radius: 13px;
}

.scroll-wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--cyan);
  animation: scrollWheel 1.6s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { transform: translate(-50%, 0); opacity: 1; }
  70% { transform: translate(-50%, 12px); opacity: 0; }
  100% { transform: translate(-50%, 0); opacity: 0; }
}

/* ---------- Spotlight en tarjetas (sigue al cursor) ---------- */
.card { position: relative; }

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(99, 102, 241, 0.14), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.card:hover::before { opacity: 1; }

/* ---------- Botón volver arriba con anillo de progreso ---------- */
.back-top {
  position: fixed;
  right: 1.6rem;
  bottom: 5.6rem;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text);
  background: conic-gradient(var(--cyan) var(--top-pct, 0%), rgba(255, 255, 255, 0.08) 0);
  display: grid;
  place-items: center;
  z-index: 1400;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease), transform 0.3s var(--ease);
}

.back-top::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bg-elevated);
}

.back-top svg { position: relative; z-index: 1; width: 20px; height: 20px; }

.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { color: var(--cyan); }

/* ---------- Animaciones de aparición ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(5px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease), filter 0.8s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 420px; margin-inline: auto; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-cta { display: none; }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding: 1rem 1.25rem 1.4rem;
    background: rgba(11, 15, 30, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.4s var(--ease), opacity 0.4s var(--ease), visibility 0.4s;
  }

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

  .nav-links a {
    padding: 0.9rem 1rem;
    font-size: 1.05rem;
    border-radius: 10px;
  }

  .nav-links a::after { display: none; }
  .nav-links a.active { background: var(--surface-strong); }

  .timeline::before { left: 24px; }
  .timeline-item { grid-template-columns: 1fr; gap: 0.4rem; padding-left: 52px; }
  .timeline-year { text-align: left; padding-top: 0; font-size: 0.95rem; }

  .form-row { grid-template-columns: 1fr; }

  .youtube-banner { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .stats { padding: 1.4rem 1rem; gap: 1.4rem; }
  .hero-actions .btn { width: 100%; }
  .cards-grid { grid-template-columns: 1fr; }
}

/* ---------- Accesibilidad: movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal { opacity: 1; transform: none; }
}