/* =====================
   VARIABLES
===================== */
:root {
  --accent: #4f9cff;
  --radius: 14px;
  --blur: blur(12px);
  --transition: all 0.35s ease;
}

/* =====================
   THEMES
===================== */
html[data-theme="dark"] {
  --bg: #0b0d10;
  --surface: rgba(255,255,255,0.05);
  --text: #eaeaf0;
  --logo-text: #eaeaf0;
  --logo-gradient: linear-gradient(135deg, #5ac8ff 0%, #1a6dff 45%, #52a0ff 100%);
  --logo-glow: 0 0 10px rgba(74,151,255,0.65), 0 0 26px rgba(31,118,255,0.45);
}

html[data-theme="light"] {
  --bg: #f4f6fb;
  --surface: rgba(255,255,255,0.85);
  --text: #111;
  --logo-text: #0b0d10;
  --logo-gradient: linear-gradient(135deg, #1f4f9c 0%, #0f6ad8 45%, #3a8cff 100%);
  --logo-glow: 0 0 6px rgba(20,86,180,0.4), 0 0 18px rgba(16,84,190,0.3);
}

/* =====================
   GLOBAL
===================== */
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
  overflow-x: hidden;
}

/* Animated background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    120deg,
    rgba(79,156,255,0.14),
    rgba(140,84,255,0.12),
    rgba(79,156,255,0.14)
  );
  background-size: 300% 300%;
  animation: gradientMove 18s ease infinite;
}

html[data-theme="light"] body::before {
  background: linear-gradient(
    120deg,
    rgba(79,156,255,0.22),
    rgba(140,84,255,0.18),
    rgba(79,156,255,0.22)
  );
}

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

button {
  font-family: inherit;
}

/* =====================
   HEADER
===================== */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
}

.glass {
  background: var(--surface);
  backdrop-filter: var(--blur);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 18px;
}

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.control-stack {
  display: flex;
  gap: 10px;
  align-items: center;
}

.contact-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 32px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.18);
  background: transparent;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}

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

.contact-top .icon {
  font-size: 16px;
}

.controls button {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: inherit;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.controls button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.menu-toggle {
  display: none;
  width: 43px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.18);
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.menu-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.menu-toggle.open {
  transform: rotate(90deg);
}

/* =====================
   LOGO — Re☉Go (INLINE CORE)
===================== */
.logo-inline {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.6px;
}

.logo-inline .logo-text {
  font-size: 18px;
  line-height: 1;
  color: var(--logo-text);
  background: var(--logo-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: var(--logo-glow);
}

/* Núcleo = letra O */
.logo-inline.impact .core {
  position: relative;
  width: 18px;
  height: 18px;
  margin: 0 4px; /* separación justa */
  border-radius: 50%;
  background: radial-gradient(
    circle at center,
    #ffffff 0%,
    var(--accent) 35%,
    rgba(79,156,255,0.35) 55%,
    transparent 75%
  );
  box-shadow:
    0 0 10px rgba(79,156,255,0.9),
    0 0 24px rgba(79,156,255,0.6);
  animation: corePulse 4s ease-in-out infinite;
}

html[data-theme="light"] .logo-inline.impact .core {
  background: radial-gradient(
    circle at center,
    #0b0d10 0%,
    #2f66c8 35%,
    rgba(79,156,255,0.5) 55%,
    rgba(0,0,0,0.06) 75%
  );
  box-shadow:
    0 0 10px rgba(47,102,200,0.65),
    0 0 18px rgba(47,102,200,0.45);
}

/* Anillos de energía */
.logo-inline.impact .core::before,
.logo-inline.impact .core::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(79,156,255,0.4);
  animation: ringExpand 4s ease-out infinite;
}

.logo-inline.impact .core::after {
  inset: -10px;
  opacity: 0.4;
  animation-delay: 2s;
}

html[data-theme="light"] .logo-inline.impact .core::before,
html[data-theme="light"] .logo-inline.impact .core::after {
  border-color: rgba(47,102,200,0.35);
}

/* Animaciones */
@keyframes corePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow:
      0 0 10px rgba(79,156,255,0.9),
      0 0 24px rgba(79,156,255,0.6);
  }
  50% {
    transform: scale(1.12);
    box-shadow:
      0 0 18px rgba(79,156,255,1),
      0 0 36px rgba(79,156,255,0.8);
  }
}

@keyframes ringExpand {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

.logo-inline{
  text-decoration: none;
}



/* =====================
   HERO
===================== */
.hero {
  position: relative;
  padding: 72px 32px 32px;
  max-width: 900px;
  margin: auto;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.15;
  margin-bottom: 14px;
}

.hero p {
  font-size: 18px;
  opacity: 0.8;
  max-width: 720px;
}

/* Hero visual */
.hero-visual {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  width: 360px;
  height: 36px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(79,156,255,0.6), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(140,84,255,0.5), transparent 60%);
  filter: blur(30px);
  opacity: 0.8;
  pointer-events: none;
  z-index: 1;
}

.hero > * {
  position: relative;
  z-index: 2;
}

html[data-theme="light"] .hero-visual {
  opacity: 0.35;
}

/* CTA */
.hero-cta {
  margin-top: 20px;
}

.hero-cta a {
  font-size: 15px;
  color: var(--accent);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
}

.hero-cta a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 1px;
  background: currentColor;
  transition: var(--transition);
}

.hero-cta a:hover::after {
  width: 100%;
}

/* =====================
   VENTURES
===================== */
.ventures {
  padding: 24px 28px 150px;
  max-width: 1100px;
  margin: auto;
}

.hero + .ventures {
  margin-top: -24px;
}

.ventures h2 {
  font-size: 32px;
  margin-bottom: 8px;
}

.ventures-intro {
  font-size: 18px;
  opacity: 0.75;
  max-width: 700px;
  margin-bottom: 32px;
}

.venture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}

.venture-card {
  background: var(--surface);
  backdrop-filter: var(--blur);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.1);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.venture-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 18px 36px rgba(0,0,0,0.25);
}

.venture-icon {
  font-size: 26px;
  margin-bottom: 12px;
  opacity: 0.85;
}

.venture-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.venture-card p {
  font-size: 15px;
  opacity: 0.8;
}

.venture-card a {
  color: inherit;
  text-decoration: none;
}

.venture-card a:hover {
  color: var(--accent);
}

/* Status */
.status {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid currentColor;
  opacity: 0.55;
}

/* =====================
   LANGUAGE DROPDOWN
===================== */
.lang-selector {
  position: relative;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: 120%;
  list-style: none;
  background: rgba(43, 43, 122, 0.85); /* 🔥 más oscuro */
  backdrop-filter: blur(12px);
  border-radius: 12px;
  padding: 6px;
  margin: 0;
  display: none;
  animation: fadeUp 0.3s ease;
}

.lang-menu.show {
  display: block;
}

.lang-menu li {
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.lang-menu li:hover {
  background: rgba(255,255,255,0.08);
  color: var(--accent);
}

/* =====================
   FOOTER
===================== */
footer {
  padding: 20px 32px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  opacity: 0.6;
}

/* =====================
   ANIMATIONS
===================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.8s ease;
}

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

/* =====================
   MOBILE
===================== */
@media (max-width: 768px) {

  .top-bar {
    padding: 12px 20px;
  }

  .hero {
    padding: 32px 20px 12px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero p {
    font-size: 16px;
  }

  .hero-visual {
    display: none;
  }

  .ventures {
    padding: 32px 20px 56px;
  }

  .ventures h2 {
    font-size: 26px;
  }

  .venture-grid {
    gap: 18px;
  }

  .venture-card {
    padding: 20px;
  }

  .controls {
    position: relative;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .control-stack {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
  }

  .control-stack.open {
    display: flex;
    animation: fadeUp 0.25s ease;
  }

  footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}