/* ═══════════════ TRAINIVIA LANDING — tema de la app ═══════════════ */
:root {
  --bg: #0D0E14;
  --paper: #14161F;
  --elevated: #1A1D2A;
  --border: #252836;
  --text: #F0F2F8;
  --text-2: #8B90A7;
  --primary: #F8BB02;
  --primary-soft: rgba(248, 187, 2, 0.12);
  --violet: #6C63FF;
  --success: #52C41A;
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
}
::selection { background: var(--primary); color: var(--bg); }
em { font-style: normal; color: var(--primary); }
.hl {
  background: linear-gradient(90deg, var(--primary), #FBBF24);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ═══ Reveal on scroll ═══ */
[data-reveal], [data-reveal-group] > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.revealed, .revealed-child { opacity: 1 !important; transform: translateY(0) !important; }

/* ═══ NAV ═══ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}
nav.scrolled {
  background: rgba(13, 14, 20, 0.8);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-icon {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(248, 187, 2, 0.35);
}
.brand-name { font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a {
  color: var(--text-2); text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* Botón hamburguesa (solo mobile) */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  background: transparent; border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer; padding: 0;
}
.nav-toggle span {
  display: block; width: 20px; height: 2px; border-radius: 2px;
  background: var(--text); transition: transform 0.28s ease, opacity 0.2s ease;
}
nav.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
nav.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
nav.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══ Botones ═══ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 12px; text-decoration: none; font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  color: #0D0E14;
  box-shadow: 0 6px 22px rgba(248, 187, 2, 0.3);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(248, 187, 2, 0.45); }
.btn-ghost {
  color: var(--text); border: 1px solid var(--border); background: rgba(255,255,255,0.03);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* ═══ HERO ═══ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 110px 24px 60px;
  overflow: hidden;
}
.hero-inner {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.08fr; gap: 40px; align-items: center;
}
.pill {
  display: inline-block; padding: 6px 14px; border-radius: 99px;
  background: var(--primary-soft); color: var(--primary);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.02em;
  border: 1px solid rgba(248, 187, 2, 0.3);
  margin-bottom: 22px;
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(248, 187, 2, 0.25); }
  50% { box-shadow: 0 0 24px 2px rgba(248, 187, 2, 0.18); }
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900; line-height: 1.12; letter-spacing: -0.02em;
}
.rotator-wrap { white-space: nowrap; }
.rotator {
  display: inline-block; color: var(--primary); min-width: 5.2ch;
  border-bottom: 4px solid var(--primary); padding-bottom: 2px;
}
.rotator.swap { animation: rotator-swap 0.5s ease; }
@keyframes rotator-swap {
  0% { opacity: 1; transform: translateY(0); }
  45% { opacity: 0; transform: translateY(-14px); }
  55% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 1; transform: translateY(0); }
}
.hero-sub {
  color: var(--text-2); font-size: 1.12rem; max-width: 480px;
  margin: 22px 0 30px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-ctas.center { justify-content: center; }
.hero-trust {
  display: flex; gap: 10px; margin-top: 26px;
  color: var(--text-2); font-size: 0.85rem;
}

/* Orbes de fondo */
.orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5;
  pointer-events: none;
}
.orb-1 { width: 480px; height: 480px; background: rgba(248, 187, 2, 0.22); top: -120px; right: -80px; animation: float-a 11s ease-in-out infinite; }
.orb-2 { width: 380px; height: 380px; background: rgba(108, 99, 255, 0.25); bottom: -100px; left: -120px; animation: float-b 14s ease-in-out infinite; }
.orb-3 { width: 240px; height: 240px; background: rgba(248, 187, 2, 0.12); top: 40%; left: 38%; animation: float-a 17s ease-in-out infinite reverse; }
@keyframes float-a { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-40px, 30px) scale(1.08); } }
@keyframes float-b { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(50px, -35px) scale(0.94); } }
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.18;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 75%);
}

/* ═══ Mockups: composición laptop + teléfono ═══ */
.hero-visual {
  position: relative;
  display: flex; justify-content: center; align-items: flex-start;
  min-height: 540px;
}

/* MacBook */
.laptop {
  position: relative;
  width: 470px; max-width: 100%;
  margin-top: 30px;
  margin-right: 70px; /* lugar para el teléfono superpuesto */
}
.laptop-screen {
  background: #06070B; border: 1px solid #2c3040;
  border-radius: 16px 16px 0 0; padding: 12px 12px 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.55), 0 0 60px rgba(108, 99, 255, 0.07);
}
.laptop-display {
  background: var(--bg); border-radius: 8px; overflow: hidden;
  display: flex; aspect-ratio: 16 / 10;
}
.laptop-base {
  height: 13px;
  margin: 0 -26px;
  background: linear-gradient(180deg, #2c3040, #181b26);
  border-radius: 0 0 14px 14px;
  position: relative;
}
.laptop-base::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 86px; height: 5px; background: #11131c; border-radius: 0 0 8px 8px;
}

/* Pantalla del profesor: sidebar + gestión de alumnos */
.lap-sidebar {
  width: 34px; flex-shrink: 0;
  background: var(--paper); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  padding: 9px 0;
}
.lap-logo {
  width: 18px; height: 18px; border-radius: 5px;
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  margin-bottom: 4px;
}
.lap-icon {
  width: 14px; height: 14px; border-radius: 4px;
  background: var(--elevated); border: 1px solid var(--border);
}
.lap-icon.active { background: var(--primary-soft); border-color: rgba(248,187,2,0.5); }
.lap-main { flex: 1; padding: 10px 12px; display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.lap-header { display: flex; justify-content: space-between; align-items: center; }
.lap-header b { font-size: 0.7rem; }
.lap-btn {
  background: linear-gradient(135deg, #F8BB02, #FBBF24); color: var(--bg);
  font-size: 0.5rem; font-weight: 800; border-radius: 6px; padding: 3px 8px;
}
.lap-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.lap-stat {
  background: var(--paper); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 8px;
}
.lap-stat b { color: var(--primary); font-size: 0.78rem; display: block; line-height: 1.1; }
.lap-stat small { color: var(--text-2); font-size: 0.44rem; }
.lap-row {
  display: flex; align-items: center; gap: 7px;
  background: var(--paper); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 8px;
}
.lap-avatar {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  background: var(--primary-soft); color: var(--primary);
  font-size: 0.42rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.lap-avatar.v { background: rgba(108,99,255,0.18); color: var(--violet); }
.lap-who { flex: 1; min-width: 0; line-height: 1.25; }
.lap-who b { font-size: 0.54rem; display: block; }
.lap-who small { color: var(--text-2); font-size: 0.44rem; }
.lap-chip {
  font-size: 0.4rem; font-weight: 800; border-radius: 99px; padding: 2px 6px;
  white-space: nowrap;
}
.lap-chip.ok { background: rgba(82,196,26,0.15); color: var(--success); }
.lap-chip.warn { background: rgba(250,173,20,0.15); color: #FAAD14; }
.lap-when { color: var(--text-2); font-size: 0.42rem; white-space: nowrap; }

/* Etiquetas de dispositivo */
.device-tag {
  position: absolute; z-index: 5;
  background: var(--elevated); border: 1px solid var(--border);
  border-radius: 99px; padding: 6px 13px;
  font-size: 0.72rem; font-weight: 700;
  box-shadow: 0 8px 26px rgba(0,0,0,0.45);
  white-space: nowrap;
}
.tag-laptop { top: -14px; left: 18px; }
.tag-phone { bottom: -12px; left: 50%; transform: translateX(-50%); }

/* Teléfono: ahora superpuesto adelante, a la derecha */
.phone {
  width: 280px; border-radius: 38px;
  background: #06070B;
  border: 1px solid #2c3040;
  padding: 12px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 60px rgba(248, 187, 2, 0.08);
  position: absolute;
  right: -10px; top: 110px;
  transform: scale(0.74) rotate(-1.2deg);
  transform-origin: top right;
  z-index: 3;
}
@keyframes phone-float { 0%,100% { transform: translateY(0) rotate(-1.2deg); } 50% { transform: translateY(-14px) rotate(0.8deg); } }
.phone-notch {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 22px; background: #06070B; border-radius: 0 0 14px 14px; z-index: 2;
}
.phone-screen {
  background: var(--bg); border-radius: 28px; padding: 34px 12px 10px;
  display: flex; flex-direction: column; gap: 9px;
  min-height: 480px;
}
.mock-hero {
  display: flex; align-items: center; gap: 9px;
  background: linear-gradient(135deg, rgba(248,187,2,0.18), rgba(108,99,255,0.1));
  border: 1px solid rgba(248,187,2,0.3); border-radius: 14px; padding: 11px;
}
.mock-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.72rem;
}
.mock-hi { font-weight: 800; font-size: 0.82rem; }
.mock-goal { color: var(--text-2); font-size: 0.62rem; }
.mock-streak {
  margin-left: auto; font-size: 0.6rem; font-weight: 800; color: #FF8C42;
  background: rgba(255,107,53,0.16); border: 1px solid rgba(255,107,53,0.4);
  border-radius: 99px; padding: 3px 8px;
}
.mock-card {
  background: var(--paper); border: 1px solid var(--border); border-radius: 13px; padding: 11px;
}
.mock-week { display: flex; align-items: center; gap: 11px; }
.ring { width: 52px; height: 52px; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 6; }
.ring-bg { stroke: rgba(255,255,255,0.08); }
.ring-fg {
  stroke: var(--primary); stroke-linecap: round;
  stroke-dasharray: 214; stroke-dashoffset: 214;
  animation: ring-fill 2s 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes ring-fill { to { stroke-dashoffset: 72; } }
.mock-card-title { font-weight: 800; font-size: 0.78rem; }
.mock-card-sub { color: var(--text-2); font-size: 0.64rem; }
.mock-card-accent { color: var(--primary); font-size: 0.66rem; font-weight: 700; }
.mock-cta { display: flex; align-items: center; gap: 10px; border-color: rgba(248,187,2,0.4); background: rgba(248,187,2,0.06); }
.mock-play {
  width: 32px; height: 32px; border-radius: 50%; background: var(--primary);
  color: var(--bg); display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; flex-shrink: 0;
}
.mock-row { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.mock-mini-label { color: var(--text-2); font-size: 0.58rem; font-weight: 700; }
.mock-mini-value { font-weight: 800; font-size: 0.95rem; margin-top: 2px; }
.mock-mini-delta { color: var(--success); font-size: 0.6rem; font-weight: 700; }
.mock-mini-delta2 { color: var(--text-2); font-size: 0.6rem; }
.mock-nav {
  margin-top: auto; display: flex; justify-content: space-around; align-items: center;
  border-top: 1px solid var(--border); padding-top: 9px; font-size: 0.9rem;
  filter: grayscale(0.4);
}
.mock-check { position: relative; }
.mock-badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--success); color: #fff; font-style: normal;
  font-size: 0.42rem; font-weight: 800; border-radius: 99px; padding: 1.5px 5px;
  letter-spacing: 0.04em;
}

/* ═══ Tagline del hero ═══ */
.hero { flex-direction: column; justify-content: center; }
.hero-tagline {
  position: relative;
  display: flex; align-items: center; justify-content: center; gap: 22px;
  width: 100%; max-width: 880px;
  margin: 64px auto 0;
}
.hero-tagline p {
  font-size: clamp(1.15rem, 2.3vw, 1.55rem);
  font-weight: 600; letter-spacing: 0.01em;
  color: var(--text-2);
  white-space: nowrap;
  text-align: center;
}
.hero-tagline b { color: var(--primary); font-weight: 800; }
.tagline-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(248,187,2,0.45));
}
.tagline-line:last-child {
  background: linear-gradient(90deg, rgba(248,187,2,0.45), transparent);
}
@media (max-width: 640px) {
  .hero-tagline { gap: 12px; margin-top: 48px; }
  .hero-tagline p { white-space: normal; }
}

/* ═══ MARQUEE ═══ */
.marquee {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  overflow: hidden; padding: 16px 0; background: var(--paper);
}
.marquee-track {
  display: flex; gap: 28px; width: max-content;
  animation: marquee 26s linear infinite;
  font-weight: 700; color: var(--text-2); font-size: 0.95rem; white-space: nowrap;
}
.marquee-track i { color: var(--primary); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ═══ STATS ═══ */
.stats {
  max-width: 1140px; margin: 0 auto; padding: 70px 24px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center;
}
.stat-num { font-size: 2.6rem; font-weight: 900; color: var(--primary); letter-spacing: -0.02em; }
.stat-label { color: var(--text-2); font-size: 0.88rem; }

/* ═══ SECCIONES ═══ */
.section { max-width: 1140px; margin: 0 auto; padding: 90px 24px; }
.section-alt {
  max-width: none;
  background: linear-gradient(180deg, var(--paper), var(--bg));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.section-alt > .split, .section-alt > .pwa-inner { max-width: 1140px; margin: 0 auto; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block; color: var(--primary); font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.76rem; margin-bottom: 12px;
}
.section h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 900; letter-spacing: -0.02em; line-height: 1.2; }
.section-head p { color: var(--text-2); margin-top: 14px; }

/* ═══ Cards de features ═══ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; position: relative; overflow: hidden;
  transition: border-color 0.25s, transform 0.18s ease-out, box-shadow 0.25s;
  will-change: transform;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(248,187,2,0.08), transparent 65%);
  opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.card:hover { border-color: rgba(248,187,2,0.45); box-shadow: 0 18px 44px rgba(0,0,0,0.35); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; font-size: 1.5rem;
  background: var(--primary-soft); border: 1px solid rgba(248,187,2,0.25);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card h3 { font-size: 1.08rem; font-weight: 800; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 0.92rem; }
.card strong { color: var(--text); }

/* ═══ Split alumnos ═══ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 90px 24px; }
.feature-list { list-style: none; margin-top: 26px; display: flex; flex-direction: column; gap: 15px; }
.feature-list li {
  background: rgba(255,255,255,0.025); border: 1px solid var(--border);
  border-radius: 12px; padding: 13px 16px; font-size: 0.93rem; color: var(--text-2);
  transition: border-color 0.25s, transform 0.25s;
}
.feature-list li:hover { border-color: rgba(248,187,2,0.4); transform: translateX(6px); }
.feature-list b { color: var(--text); display: block; margin-bottom: 1px; }

.float-cards { position: relative; min-height: 420px; }
.float-card {
  position: absolute; display: flex; gap: 12px; align-items: flex-start;
  background: var(--elevated); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 16px; width: min(310px, 84%);
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
}
.float-card b { font-size: 0.88rem; display: block; }
.float-card small { color: var(--text-2); font-size: 0.76rem; }
.float-card .up { color: var(--success); }
.fc-emoji { font-size: 1.3rem; }
.fc-1 { top: 0; left: 4%; animation: card-bob 7s ease-in-out infinite; }
.fc-2 { top: 26%; right: 0; animation: card-bob 8s 0.8s ease-in-out infinite; }
.fc-3 { top: 52%; left: 0; animation: card-bob 7.5s 1.6s ease-in-out infinite; }
.fc-4 { top: 78%; right: 6%; animation: card-bob 8.5s 0.4s ease-in-out infinite; }
@keyframes card-bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ═══ Cronómetro ═══ */
.timer-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px;
  align-items: center; max-width: 920px; margin: 0 auto 56px;
}
.timer-config-wrap { display: flex; justify-content: center; }
.phone-static {
  position: relative; right: auto; top: auto;
  transform: none; animation: none;
}
.phone-sm { width: 250px; }
.phone-sm .phone-screen { min-height: 380px; }
.timer-screen { gap: 12px; padding-top: 40px; }
.tmr-title { font-weight: 800; font-size: 0.92rem; }
.tmr-modes { display: flex; gap: 6px; flex-wrap: wrap; }
.tmr-mode {
  font-size: 0.6rem; font-weight: 700; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 99px; padding: 4px 10px;
}
.tmr-mode.active {
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  color: var(--bg); border-color: transparent;
}
.tmr-row {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--paper); border: 1px solid var(--border);
  border-radius: 11px; padding: 11px 13px; font-size: 0.72rem;
}
.tmr-row span { color: var(--text-2); }
.tmr-row b { font-size: 0.85rem; }
.tmr-work { color: var(--primary); }
.tmr-rest { color: var(--violet); }
.tmr-start {
  margin-top: auto; text-align: center;
  background: linear-gradient(135deg, #F8BB02, #FBBF24); color: var(--bg);
  font-weight: 800; font-size: 0.85rem;
  border-radius: 13px; padding: 13px;
  box-shadow: 0 8px 24px rgba(248,187,2,0.3);
  animation: pulse-glow 2.6s ease-in-out infinite;
}

/* Escena: anillo corriendo + plancha */
.timer-scene { text-align: center; }
.scene-ring-wrap { position: relative; width: 190px; margin: 0 auto; }
.scene-ring { width: 100%; transform: rotate(-90deg); }
.scene-ring circle { fill: none; stroke-width: 8; }
.scene-ring-bg { stroke: rgba(255,255,255,0.07); }
.scene-ring-fg {
  stroke: var(--primary); stroke-linecap: round;
  stroke-dasharray: 327;
  transition: stroke-dashoffset 0.9s linear, stroke 0.4s;
}
.scene-ring-fg.rest { stroke: var(--violet); }
.scene-ring-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.scene-ring-center b { font-size: 2rem; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; }
.scene-ring-center small {
  color: var(--primary); font-weight: 800; font-size: 0.64rem; letter-spacing: 0.14em; margin-top: 4px;
}
.scene-ring-center small.rest { color: var(--violet); }
.scene-round { color: var(--text-2); font-size: 0.66rem; margin-top: 3px; }

.figure {
  width: 215px; margin: 10px auto 0; display: block;
  filter: drop-shadow(0 8px 22px rgba(248, 187, 2, 0.2));
}
.figure-ground { stroke: var(--border); stroke-width: 3; stroke-linecap: round; }
.scene-caption { color: var(--text-2); font-size: 0.86rem; margin-top: 14px; }

/* Zoom de la barrita minimizada */
.minibar-zoom { max-width: 660px; margin: 0 auto; text-align: center; }
.minibar-label { color: var(--text-2); font-size: 0.92rem; margin-bottom: 16px; }
.minibar-label-bottom { color: var(--text-2); font-size: 0.92rem; margin-top: 16px; }
.minibar-label-bottom b { color: var(--text); }
.minibar-frame {
  background: #06070B; border: 1px solid #2c3040; border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 50px rgba(248,187,2,0.07);
}
.minibar-appbar {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--paper); padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 800; font-size: 0.95rem;
}
.minibar-brand { display: flex; align-items: center; gap: 9px; }
.minibar-brand i {
  width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  display: flex; align-items: center; justify-content: center;
}
.minibar-bell { filter: grayscale(0.4); font-size: 0.9rem; }
.minibar-bar {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  background: rgba(248,187,2,0.1);
  border-bottom: 1px solid rgba(248,187,2,0.3);
  padding: 13px 18px 15px;
}
.minibar-icon { font-size: 1rem; }
.minibar-mode { color: var(--primary); font-weight: 900; font-size: 0.78rem; letter-spacing: 0.08em; }
.minibar-round { color: var(--text-2); font-size: 0.78rem; }
.minibar-time {
  margin-left: auto; font-size: 1.05rem; font-weight: 900;
  font-variant-numeric: tabular-nums;
}
.minibar-progress {
  position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: rgba(255,255,255,0.06);
}
.minibar-progress i {
  display: block; height: 100%; width: 0%;
  background: var(--primary);
  transition: width 0.9s linear, background 0.4s;
}
.minibar-progress i.rest { background: var(--violet); }
.minibar-ghost {
  padding: 22px 18px 26px;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-start;
  opacity: 0.6;
}

@media (max-width: 760px) {
  .timer-grid { grid-template-columns: 1fr; gap: 64px; }
}

/* ═══ Pasos ═══ */
.steps { display: flex; align-items: stretch; gap: 18px; }
.step {
  flex: 1; background: var(--paper); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; position: relative;
}
.step-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, #F8BB02, #FBBF24); color: var(--bg);
  font-weight: 900; font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.step h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: 0.9rem; }
.step-arrow { align-self: center; color: var(--primary); font-size: 1.6rem; font-weight: 900; }

/* ═══ Planes ═══ */
.plans {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  max-width: 1020px; margin: 0 auto;
  align-items: stretch;
}
.plan {
  background: var(--paper); border: 1px solid var(--border); border-radius: 18px;
  padding: 30px 26px;
  display: flex; flex-direction: column;
  position: relative;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.plan:hover {
  border-color: rgba(248,187,2,0.4);
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(0,0,0,0.4);
}
.plan-featured {
  border-color: rgba(248,187,2,0.55);
  background: linear-gradient(180deg, rgba(248,187,2,0.07), var(--paper) 45%);
  box-shadow: 0 18px 50px rgba(248,187,2,0.1);
  transform: scale(1.04);
}
.plan-featured:hover { transform: scale(1.04) translateY(-6px); }
.plan-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #F8BB02, #FBBF24); color: var(--bg);
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.03em;
  border-radius: 99px; padding: 5px 14px; white-space: nowrap;
  box-shadow: 0 6px 18px rgba(248,187,2,0.35);
}
.plan-name { font-size: 1.05rem; font-weight: 800; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.08em; }
.plan-price { font-size: 2.3rem; font-weight: 900; margin: 10px 0 4px; letter-spacing: -0.02em; }
.plan-price small { font-size: 0.95rem; font-weight: 600; color: var(--text-2); }
.plan-cupo {
  color: var(--primary); font-weight: 700; font-size: 0.95rem;
  padding-bottom: 18px; margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.plan-cupo b { font-size: 1.1rem; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }
.plan-features li {
  color: var(--text-2); font-size: 0.88rem;
  display: flex; align-items: flex-start; gap: 9px;
}
.plan-features li::before {
  content: '✓'; color: var(--success); font-weight: 900; flex-shrink: 0;
}
.plan-cta { margin-top: auto; justify-content: center; padding: 12px 18px; font-size: 0.92rem; }
.plans-note {
  text-align: center; color: var(--text-2); font-size: 0.85rem; margin-top: 30px;
}
.plans-note a { color: var(--primary); font-weight: 700; }

@media (max-width: 880px) {
  .plans { grid-template-columns: 1fr; max-width: 420px; }
  .plan-featured { transform: none; }
  .plan-featured:hover { transform: translateY(-6px); }
}

/* ═══ PWA band ═══ */
.pwa-band { padding: 70px 24px; }
.pwa-inner { display: flex; gap: 36px; align-items: center; }
.pwa-icon img {
  border-radius: 24px;
  box-shadow: 0 16px 50px rgba(248,187,2,0.25);
  animation: phone-float 7s ease-in-out infinite;
}
.pwa-inner p { color: var(--text-2); margin-top: 12px; max-width: 560px; }

/* ═══ Cómo instalar ═══ */
.os-switch {
  display: flex; justify-content: center; gap: 10px; margin-bottom: 44px;
}
.os-btn {
  font-family: inherit; font-size: 0.95rem; font-weight: 700;
  padding: 11px 26px; border-radius: 99px; cursor: pointer;
  background: var(--paper); color: var(--text-2);
  border: 1px solid var(--border);
  transition: all 0.25s;
}
.os-btn:hover { border-color: rgba(248,187,2,0.4); color: var(--text); }
.os-btn.active {
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  color: var(--bg); border-color: transparent;
  box-shadow: 0 6px 22px rgba(248,187,2,0.3);
}

.install-flow { display: none; flex-direction: column; gap: 26px; max-width: 760px; margin: 0 auto; }
.install-flow.active { display: flex; }
.install-step {
  display: grid; grid-template-columns: 230px 1fr; gap: 28px; align-items: center;
  background: var(--paper); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: border-color 0.25s;
}
.install-step:hover { border-color: rgba(248,187,2,0.35); }
.install-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, #F8BB02, #FBBF24); color: var(--bg);
  font-weight: 900; margin-bottom: 12px;
}
.install-text h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.install-text p { color: var(--text-2); font-size: 0.92rem; }
.install-text b { color: var(--text); }

/* Mini-pantallas ilustrativas */
.install-screen {
  background: #06070B; border: 1px solid #2c3040; border-radius: 22px;
  padding: 12px; min-height: 200px;
  display: flex; flex-direction: column; gap: 8px;
  position: relative; overflow: hidden;
}
.is-urlbar {
  background: var(--elevated); border-radius: 10px; padding: 8px 10px;
  font-size: 0.62rem; color: var(--text-2);
  display: flex; align-items: center; gap: 6px;
}
.is-urlbar.android { justify-content: flex-start; }
.is-lock { font-size: 0.6rem; }
.is-dots {
  margin-left: auto; font-weight: 900; color: var(--text); font-size: 0.9rem;
}
.is-body {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 8px;
}
.is-logo {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, #F8BB02, #FBBF24);
  display: flex; align-items: center; justify-content: center;
}
.is-skeleton { width: 70%; height: 9px; border-radius: 5px; background: var(--elevated); }
.is-skeleton.short { width: 45%; }
.is-toolbar {
  display: flex; justify-content: space-around; align-items: center;
  border-top: 1px solid var(--border); padding-top: 9px;
  color: var(--text-2); font-size: 0.8rem;
}
.is-target { position: relative; color: var(--primary); display: inline-flex; }

/* Anillo pulsante: "tocá acá" */
.tap-ring {
  position: absolute; top: 50%; left: 50%;
  width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid var(--primary);
  transform: translate(-50%, -50%);
  animation: tap-pulse 1.8s ease-out infinite;
  pointer-events: none;
}
@keyframes tap-pulse {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(0.55); }
  70% { opacity: 0; transform: translate(-50%, -50%) scale(1.25); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.25); }
}

/* Sheet de opciones (share / menú) */
.is-sheet {
  margin-top: auto; background: var(--elevated);
  border-radius: 14px 14px 6px 6px; overflow: hidden;
  border: 1px solid var(--border);
}
.is-sheet-row {
  padding: 10px 12px; font-size: 0.68rem; color: var(--text-2);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.is-sheet-row:last-child { border-bottom: none; }
.is-target-row {
  color: var(--text); font-weight: 700;
  background: var(--primary-soft);
}
.is-target-row .tap-ring { left: auto; right: 16px; }

/* Confirmación */
.is-confirm {
  margin: auto 0; background: var(--elevated); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
}
.is-confirm-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 12px; border-bottom: 1px solid var(--border); font-size: 0.66rem;
}
.is-confirm-head > b { font-size: 0.7rem; }
.is-cancel { color: var(--text-2); }
.is-add, .is-install { color: var(--primary); font-weight: 800; position: relative; }
.is-confirm-body {
  display: flex; gap: 10px; align-items: center; padding: 14px 12px;
  font-size: 0.7rem;
}
.is-confirm-body small { color: var(--text-2); font-size: 0.58rem; }
.android-confirm .is-confirm-actions {
  display: flex; justify-content: flex-end; gap: 18px;
  padding: 10px 14px; border-top: 1px solid var(--border); font-size: 0.68rem;
}

/* Home con el ícono instalado */
.is-home { justify-content: center; }
.is-app-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 10px;
}
.is-app {
  aspect-ratio: 1; border-radius: 12px; background: var(--elevated);
  border: 1px solid var(--border);
  min-width: 0; /* permite que la celda se achique: sin esto la img de 512px revienta la grilla */
}
.is-app.round { border-radius: 50%; }
.is-app-trainivia {
  background: none; border: none; position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  aspect-ratio: auto;
  animation: app-pop 0.6s 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}
.is-app-trainivia img {
  width: 100%; max-width: 100%; height: auto; display: block;
  border-radius: 12px; box-shadow: 0 6px 18px rgba(248,187,2,0.35);
}
.is-app-trainivia.round img { border-radius: 50%; }
.is-app-trainivia small { font-size: 0.5rem; color: var(--text); }
.is-sparkle {
  position: absolute; top: -8px; right: -8px; font-size: 0.8rem;
  animation: sparkle 2.4s ease-in-out infinite;
}
@keyframes app-pop { from { opacity: 0; transform: scale(0.3); } to { opacity: 1; transform: scale(1); } }
@keyframes sparkle { 0%,100% { transform: scale(1) rotate(0deg); opacity: 1; } 50% { transform: scale(1.35) rotate(18deg); opacity: 0.7; } }

@media (max-width: 680px) {
  .install-step { grid-template-columns: 1fr; }
  .install-screen { max-width: 250px; margin: 0 auto; }

  /* Composición del hero: en pantallas chicas, laptop arriba y teléfono debajo */
  .hero-visual { flex-direction: column; align-items: center; min-height: 0; }
  .laptop { margin: 10px 0 0; }
  .tag-laptop { left: 50%; transform: translateX(-50%); }
  .phone {
    position: relative; right: auto; top: auto;
    margin-top: 44px;
    transform: none;
    transform-origin: center;
    animation: phone-float 6s ease-in-out infinite;
  }
}

/* ═══ CTA final ═══ */
.cta-final {
  position: relative; text-align: center; padding: 120px 24px; overflow: hidden;
}
.orb-cta {
  width: 560px; height: 560px; background: rgba(248,187,2,0.16);
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  animation: float-a 12s ease-in-out infinite;
}
.cta-final h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 900; line-height: 1.18; }
.cta-final p { color: var(--text-2); margin: 18px 0 30px; }
.cta-final > div:not(.orb) { position: relative; }

/* ═══ Footer ═══ */
footer { border-top: 1px solid var(--border); padding: 28px 24px; }
.footer-inner {
  max-width: 1140px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.footer-copy { color: var(--text-2); font-size: 0.82rem; }

/* ═══ Responsive ═══ */
@media (max-width: 920px) {
  .nav-inner { gap: 12px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; margin: 0;
    padding: 0 24px; max-height: 0; overflow: hidden;
    background: rgba(13, 14, 20, 0.96); backdrop-filter: blur(14px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
    transition: max-height 0.32s ease, padding 0.32s ease, border-color 0.32s ease;
    border-bottom: 1px solid transparent;
  }
  nav.menu-open .nav-links {
    max-height: 360px; padding: 6px 24px 14px; border-bottom-color: var(--border);
  }
  .nav-links a {
    padding: 15px 4px; font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:last-child { border-bottom: none; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin-inline: auto; }
  .hero-ctas { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { margin-top: 24px; }
  .laptop { margin-right: 0; width: min(470px, 100%); }
  .phone { right: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .float-cards { min-height: 380px; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); align-self: center; }
  .pwa-inner { flex-direction: column; text-align: center; }
}

/* Respeto a usuarios con animaciones reducidas */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}