/* ==========================================================================
   TrainPlan — Sistema de diseño
   Identidad: SaaS deportivo premium, minimalista, mobile-first.
   ========================================================================== */

:root {
  /* Color */
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --surface-2: #F4F3F1;
  --border: #E8E6E1;
  --text: #17181C;
  --text-muted: #6B6D74;
  --text-faint: #9A9CA3;

  --primary: #3730E0;
  --primary-dark: #2A22B8;
  --primary-light: #EEEDFD;
  --accent: #C6FF3C;
  --accent-dark: #9FDA1A;

  --running: #3730E0;
  --running-bg: #EEEDFD;
  --cycling: #FF6A1A;
  --cycling-bg: #FFEEE2;

  --success: #16A34A;
  --warning: #D97706;
  --danger: #DC2626;

  --easy: #16A34A;
  --moderate: #D97706;
  --high: #DC2626;

  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Radios y sombras */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(23, 24, 28, 0.04), 0 1px 1px rgba(23, 24, 28, 0.03);
  --shadow-md: 0 4px 16px rgba(23, 24, 28, 0.06), 0 2px 6px rgba(23, 24, 28, 0.04);
  --shadow-lg: 0 16px 40px rgba(23, 24, 28, 0.10), 0 4px 12px rgba(23, 24, 28, 0.05);

  --container: 1120px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ---------- Tipografía utilitaria ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--primary); background: var(--primary-light);
  padding: 6px 12px; border-radius: var(--radius-full);
}
.section-title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
.section-subtitle { font-size: 17px; color: var(--text-muted); line-height: 1.6; margin-top: 12px; max-width: 640px; }
.section-head { text-align: center; margin: 0 auto 40px; max-width: 720px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: var(--radius-full);
  font-weight: 700; font-size: 15px; padding: 15px 28px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-lg); }
.btn-accent { background: var(--accent); color: #17181C; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--text); }
.btn-ghost { background: transparent; color: var(--text-muted); padding: 12px 18px; }
.btn-ghost:hover { color: var(--text); }
.btn-block { width: 100%; }
.btn-lg { padding: 18px 34px; font-size: 16px; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 248, 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.logo-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; }
.nav-links { display: none; gap: 28px; font-size: 14.5px; font-weight: 600; color: var(--text-muted); }
.nav-links a:hover { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 10px; }
@media (min-width: 900px) { .nav-links { display: flex; } }

/* ---------- Hero ---------- */
.hero { padding: 64px 0 40px; position: relative; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 56px; } }
.hero-title { font-size: clamp(34px, 6vw, 58px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.08; }
.hero-title .accent-underline { position: relative; white-space: nowrap; }
.hero-title .accent-underline::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px;
  background: var(--accent); z-index: -1; border-radius: 4px; opacity: .8;
}
.hero-subtitle { font-size: 18px; color: var(--text-muted); line-height: 1.65; margin-top: 20px; max-width: 520px; }
.hero-cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 28px; }
.hero-point { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text-muted); }
.hero-point svg { color: var(--success); flex-shrink: 0; }

.hero-visual {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 22px; position: relative;
}
.hero-visual-card { background: var(--surface-2); border-radius: var(--radius-md); padding: 18px; margin-bottom: 12px; }
.hero-visual-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.hero-visual-title { font-weight: 700; font-size: 15px; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; padding: 5px 10px; border-radius: var(--radius-full); }
.tag-running { background: var(--running-bg); color: var(--running); }
.tag-cycling { background: var(--cycling-bg); color: var(--cycling); }
.mini-bars { display: flex; align-items: flex-end; gap: 6px; height: 64px; }
.mini-bars span { flex: 1; background: var(--primary); border-radius: 4px 4px 0 0; opacity: .85; }
.mini-bars span:nth-child(4n) { background: var(--accent-dark); }
.hero-visual-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-top: 1px dashed var(--border); font-size: 14px; }
.hero-visual-row:first-of-type { border-top: none; }
.hero-visual-row strong { font-weight: 700; }
.floating-badge {
  position: absolute; top: -14px; right: 18px; background: var(--text); color: #fff;
  font-size: 12.5px; font-weight: 700; padding: 8px 14px; border-radius: var(--radius-full);
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 6px;
}
.floating-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ---------- Ad slots ---------- */
.ad-slot {
  max-width: var(--container); margin: 8px auto; padding: 0 20px;
}
.ad-slot-inner {
  border: 1px dashed var(--border); border-radius: var(--radius-md);
  background: var(--surface-2); color: var(--text-faint);
  font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  display: flex; align-items: center; justify-content: center; min-height: 90px;
}
@media (max-width: 640px) { .ad-slot-inner { min-height: 70px; } }

/* ---------- Sección genérica ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ---------- Selector de deporte ---------- */
.sport-grid { display: grid; gap: 18px; grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; }
@media (min-width: 640px) { .sport-grid { grid-template-columns: 1fr 1fr; } }
.sport-card {
  background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 22px; text-align: left; display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.sport-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.sport-card.selected { border-color: var(--primary); box-shadow: var(--shadow-md); background: var(--primary-light); }
.sport-card .emoji { font-size: 34px; }
.sport-card h3 { font-size: 19px; font-weight: 800; }
.sport-card p { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

/* ---------- Tool card (formulario + resultado) ---------- */
.tool-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 28px 22px; max-width: 760px; margin: 32px auto 0;
}
@media (min-width: 640px) { .tool-card { padding: 40px 44px; } }

/* Progreso */
.progress-wrap { margin-bottom: 28px; }
.progress-labels { display: flex; justify-content: space-between; font-size: 13px; font-weight: 700; color: var(--text-muted); margin-bottom: 10px; }
.progress-labels .step-name { color: var(--primary); }
.progress-track { height: 6px; background: var(--surface-2); border-radius: var(--radius-full); overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--running)); border-radius: var(--radius-full); transition: width .35s ease; }

/* Pasos del formulario */
.form-step { animation: fadeSlideIn .3s ease; }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.form-step-title { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; }
.form-step-desc { font-size: 14.5px; color: var(--text-muted); margin-top: 6px; margin-bottom: 24px; }

.field { margin-bottom: 20px; }
.field-label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.field-hint { font-size: 12.5px; color: var(--text-faint); margin-top: 6px; }
.field-row { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .field-row-2 { grid-template-columns: 1fr 1fr; } .field-row-3 { grid-template-columns: 1fr 1fr 1fr; } }

.input, .select {
  width: 100%; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 13px 14px; font-size: 15px; color: var(--text); background: var(--surface);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-light); }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6D74' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }

.option-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.option-pill {
  border: 1.5px solid var(--border); border-radius: var(--radius-md); background: var(--surface);
  padding: 14px 14px; text-align: left; font-size: 14px; font-weight: 700;
  display: flex; flex-direction: column; gap: 3px; transition: all .15s ease;
}
.option-pill small { font-weight: 500; color: var(--text-muted); font-size: 12.5px; }
.option-pill:hover { border-color: var(--primary); }
.option-pill.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); }

.days-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.day-toggle {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--surface);
  padding: 10px 0; text-align: center; font-size: 12.5px; font-weight: 700; color: var(--text-muted);
}
.day-toggle.selected { border-color: var(--primary); background: var(--primary); color: #fff; }
@media (max-width: 420px) { .days-grid { grid-template-columns: repeat(4, 1fr); } }

.chip-toggle { display: inline-flex; gap: 8px; background: var(--surface-2); padding: 4px; border-radius: var(--radius-full); }
.chip-toggle button { border: none; background: transparent; padding: 8px 16px; border-radius: var(--radius-full); font-weight: 700; font-size: 13.5px; color: var(--text-muted); }
.chip-toggle button.selected { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }

.safety-box {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 16px 18px; font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-top: 8px;
}
.safety-box strong { color: var(--text); }

.form-nav { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-top: 28px; gap: 12px; }
.form-nav .btn { flex: 0 1 auto; }

/* ---------- Loading ---------- */
.loading-wrap { text-align: center; padding: 56px 10px; }
.loading-spinner { width: 56px; height: 56px; border-radius: 50%; border: 4px solid var(--surface-2); border-top-color: var(--primary); margin: 0 auto 26px; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-step { font-size: 15px; font-weight: 700; color: var(--text-faint); margin-bottom: 8px; transition: color .2s ease; }
.loading-step.active { color: var(--text); }
.loading-step.done { color: var(--success); }

/* ---------- Resultado ---------- */
.summary-card {
  background: linear-gradient(135deg, var(--primary) 0%, #221B9E 100%); color: #fff;
  border-radius: var(--radius-lg); padding: 28px 24px; box-shadow: var(--shadow-lg);
}
.summary-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.summary-eyebrow { font-size: 13px; font-weight: 700; opacity: .8; text-transform: uppercase; letter-spacing: .04em; }
.summary-goal { font-size: 26px; font-weight: 800; margin-top: 6px; letter-spacing: -0.01em; }
.summary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 26px; }
@media (min-width: 560px) { .summary-grid { grid-template-columns: repeat(4, 1fr); } }
.summary-stat { background: rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 14px 16px; }
.summary-stat .label { font-size: 12px; opacity: .75; font-weight: 600; margin-bottom: 4px; }
.summary-stat .value { font-size: 19px; font-weight: 800; }
.plan-warning {
  margin-top: 18px; background: rgba(255,255,255,0.14); border-radius: var(--radius-sm); padding: 12px 14px;
  font-size: 13px; line-height: 1.5;
}

.week-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 22px 2px 6px; scrollbar-width: thin; }
.week-tab {
  flex: 0 0 auto; border: 1.5px solid var(--border); background: var(--surface);
  border-radius: var(--radius-full); padding: 9px 16px; font-size: 13.5px; font-weight: 700; color: var(--text-muted);
  position: relative;
}
.week-tab.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.week-tab .deload-dot { position: absolute; top: -3px; right: -3px; width: 9px; height: 9px; border-radius: 50%; background: var(--warning); border: 2px solid var(--bg); }

.week-meta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 20px; }
.phase-badge { font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: var(--radius-full); text-transform: capitalize; }
.phase-base { background: #E0F2FE; color: #0369A1; }
.phase-build { background: #FEF3C7; color: #B45309; }
.phase-peak { background: #FCE7F3; color: #BE185D; }
.phase-taper { background: #DCFCE7; color: #15803D; }
.meta-pill { font-size: 12.5px; font-weight: 600; color: var(--text-muted); background: var(--surface-2); padding: 6px 12px; border-radius: var(--radius-full); }

.sessions-list { display: flex; flex-direction: column; gap: 10px; }
.session-card {
  display: flex; align-items: center; gap: 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 14px 16px; text-align: left; width: 100%;
  transition: border-color .15s ease, transform .15s ease;
}
.session-card:not(.rest):hover { border-color: var(--primary); transform: translateX(2px); }
.session-card.rest { opacity: .6; }
.session-day { width: 46px; flex-shrink: 0; font-size: 12px; font-weight: 700; color: var(--text-faint); text-transform: uppercase; }
.session-main { flex: 1; min-width: 0; }
.session-title { font-weight: 700; font-size: 14.5px; }
.session-sub { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }
.session-intensity { flex-shrink: 0; width: 9px; height: 9px; border-radius: 50%; }
.intensity-facil, .intensity-muy-facil { background: var(--easy); }
.intensity-moderada, .intensity-moderada-alta, .intensity-facil-moderada { background: var(--moderate); }
.intensity-alta { background: var(--high); }
.session-arrow { color: var(--text-faint); flex-shrink: 0; }

.chart-wrap { margin-top: 30px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.chart-title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.chart-subtitle { font-size: 12.5px; color: var(--text-muted); margin-bottom: 18px; }
.chart-bars { display: flex; align-items: flex-end; gap: 5px; height: 120px; }
.chart-bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 6px; }
.chart-bar { width: 100%; border-radius: 4px 4px 0 0; background: var(--primary-light); position: relative; }
.chart-bar.deload { background: repeating-linear-gradient(45deg, #FDE68A, #FDE68A 4px, #FEF3C7 4px, #FEF3C7 8px); }
.chart-bar.taper { background: var(--accent); }
.chart-bar.current { background: var(--primary); }
.chart-bar-label { font-size: 10px; color: var(--text-faint); font-weight: 600; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; font-size: 12px; color: var(--text-muted); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.evolution-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 16px; }
@media (min-width: 640px) { .evolution-grid { grid-template-columns: repeat(5,1fr); } }
.evolution-item { background: var(--surface-2); border-radius: var(--radius-md); padding: 14px; text-align: center; }
.evolution-item .value { font-size: 18px; font-weight: 800; }
.evolution-item .label { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }

/* Nivel PRO */
.pro-banner {
  margin-top: 32px; border-radius: var(--radius-lg); padding: 26px 24px;
  background: linear-gradient(135deg, #17181C 0%, #2A2C36 100%); color: #fff;
  display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
}
.pro-banner h3 { font-size: 19px; font-weight: 800; }
.pro-banner p { font-size: 13.5px; color: #C9CAD1; margin-top: 6px; max-width: 420px; }
.pro-features { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pro-feature { font-size: 11.5px; font-weight: 700; background: rgba(255,255,255,0.08); padding: 5px 10px; border-radius: var(--radius-full); }

/* ---------- Modal de sesión ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(23,24,28,0.5); z-index: 100;
  display: flex; align-items: flex-end; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
@media (min-width: 720px) { .modal-overlay { align-items: center; } }
.modal-panel {
  background: var(--surface); width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 26px 24px 32px;
  transform: translateY(24px); transition: transform .25s ease;
}
.modal-overlay.open .modal-panel { transform: translateY(0); }
@media (min-width: 720px) { .modal-panel { border-radius: var(--radius-lg); } }
.modal-close { position: absolute; top: 18px; right: 18px; background: var(--surface-2); border: none; width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.modal-header { margin-bottom: 20px; padding-right: 30px; }
.modal-tag { font-size: 12px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: .04em; }
.modal-title { font-size: 22px; font-weight: 800; margin-top: 6px; }
.modal-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 18px 0; }
.modal-stat { background: var(--surface-2); border-radius: var(--radius-sm); padding: 10px; text-align: center; }
.modal-stat .value { font-weight: 800; font-size: 15px; }
.modal-stat .label { font-size: 10.5px; color: var(--text-muted); margin-top: 2px; text-transform: uppercase; }
.modal-block { margin-top: 18px; }
.modal-block h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--text-faint); margin-bottom: 6px; }
.modal-block p { font-size: 14.5px; line-height: 1.6; color: var(--text); }
.modal-why { margin-top: 20px; background: var(--primary-light); border-radius: var(--radius-md); padding: 16px; }
.modal-why h4 { color: var(--primary); font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.modal-why p { font-size: 14px; color: var(--primary-dark); line-height: 1.6; }

/* ---------- Contenido SEO ---------- */
.info-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .info-grid { grid-template-columns: 1fr 1fr; } }
.info-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; }
.info-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 10px; }
.info-card p { font-size: 14.5px; color: var(--text-muted); line-height: 1.7; }

.steps-row { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .steps-row { grid-template-columns: repeat(3,1fr); } }
.step-item { text-align: left; }
.step-num { width: 40px; height: 40px; border-radius: 12px; background: var(--primary-light); color: var(--primary); font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.step-item h4 { font-size: 16.5px; font-weight: 800; margin-bottom: 6px; }
.step-item p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); overflow: hidden; }
.faq-question { width: 100%; text-align: left; padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; background: transparent; border: none; font-weight: 700; font-size: 15px; }
.faq-question .icon { transition: transform .2s ease; color: var(--text-faint); flex-shrink: 0; }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-answer-inner { padding: 0 20px 18px; font-size: 14.5px; color: var(--text-muted); line-height: 1.65; }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; background: linear-gradient(135deg, var(--primary) 0%, #221B9E 100%); border-radius: var(--radius-lg); padding: 56px 28px; color: #fff; }
.cta-final h2 { font-size: clamp(24px,4vw,34px); font-weight: 800; letter-spacing: -0.02em; }
.cta-final p { font-size: 16px; opacity: .85; margin-top: 12px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-final .btn-accent { margin-top: 26px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 44px 0 30px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.footer-brand p { font-size: 13.5px; color: var(--text-muted); margin-top: 10px; max-width: 280px; line-height: 1.6; }
.footer-cols { display: flex; flex-wrap: wrap; gap: 40px; }
.footer-col h5 { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-faint); margin-bottom: 12px; }
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a { font-size: 13.5px; color: var(--text-muted); }
.footer-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--text-faint); }

/* ---------- Toast / utilidades varias ---------- */
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--primary); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 200; }
.skip-link:focus { left: 0; }

/* ==========================================================================
   Dashboard deportivo (entrenador adaptativo)
   ========================================================================== */
.sport-grid-3 { max-width: 820px; }
@media (min-width: 760px) { .sport-grid-3 { grid-template-columns: repeat(3, 1fr); } }

#dashboard-root { display: flex; flex-direction: column; gap: 18px; max-width: 760px; margin: 32px auto 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 24px 22px; }
@media (min-width: 640px) { .card { padding: 28px 30px; } }
.card h3 { font-size: 17px; font-weight: 800; }
.card-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }

/* Header */
.dash-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 14px; }
.dash-greeting { font-size: 14px; font-weight: 700; color: var(--text-muted); }
.dash-goal-title { font-size: clamp(20px, 3vw, 26px); font-weight: 800; letter-spacing: -0.01em; margin-top: 4px; }
.dash-header-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.dash-meta-pill { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 8px 14px; font-size: 12px; box-shadow: var(--shadow-sm); }
.dash-meta-pill span { display: block; color: var(--text-faint); font-weight: 600; margin-bottom: 2px; }
.dash-meta-pill strong { font-size: 14px; }

/* Probabilidad */
.probability-card { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; }
.probability-ring {
  --pct: 50; flex-shrink: 0; width: 132px; height: 132px; border-radius: 50%;
  background: conic-gradient(var(--primary) calc(var(--pct) * 1%), var(--surface-2) 0);
  display: flex; align-items: center; justify-content: center; margin: 0 auto;
}
.probability-ring-inner { width: 100px; height: 100px; border-radius: 50%; background: var(--surface); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.probability-value { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.probability-label { font-size: 11px; color: var(--text-faint); font-weight: 700; text-transform: uppercase; }
.probability-details { flex: 1; min-width: 220px; }
.probability-goal { font-size: 15px; font-weight: 700; margin-top: 6px; }
.probability-row { display: flex; justify-content: space-between; max-width: 320px; font-size: 13.5px; padding: 6px 0; border-top: 1px dashed var(--border); }
.probability-row:first-of-type { border-top: none; margin-top: 8px; }
.probability-trend { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin-top: 12px; }

/* Estado actual */
.metrics-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
@media (min-width: 560px) { .metrics-grid { grid-template-columns: 1fr 1fr; } }
.metric-item { display: flex; flex-direction: column; gap: 6px; }
.metric-top { display: flex; justify-content: space-between; font-size: 13px; font-weight: 700; }
.metric-track { height: 8px; border-radius: var(--radius-full); background: var(--surface-2); overflow: hidden; }
.metric-fill { height: 100%; border-radius: var(--radius-full); }
.metric-fill.tone-good { background: var(--success); }
.metric-fill.tone-mid { background: var(--warning); }
.metric-fill.tone-bad { background: var(--danger); }

/* Entrenamiento de hoy */
.today-card { border: 1.5px solid var(--primary); }
.today-main { display: flex; gap: 16px; align-items: flex-start; }
.today-icon { font-size: 34px; line-height: 1; flex-shrink: 0; }
.today-title { font-size: 19px; font-weight: 800; }
.today-sub { font-size: 13.5px; color: var(--text-muted); margin-top: 4px; }
.today-objective { font-size: 13.5px; margin-top: 10px; line-height: 1.55; }
.today-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.today-rest { display: flex; gap: 14px; align-items: center; margin-top: 14px; }
.today-rest-emoji { font-size: 32px; }
.today-rest-title { font-weight: 700; font-size: 15px; }
.today-rest p { font-size: 13.5px; color: var(--text-muted); margin-top: 4px; }

/* Gamificación */
.gamify-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 560px) { .gamify-strip { grid-template-columns: repeat(4, 1fr); } }
.gamify-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; display: flex; align-items: center; gap: 10px; }
.gamify-icon { font-size: 22px; }
.gamify-item strong { display: block; font-size: 17px; font-weight: 800; }
.gamify-item span { font-size: 11.5px; color: var(--text-muted); }

/* Logros */
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-top: 14px; }
.achievement-item { text-align: center; padding: 14px 8px; border-radius: var(--radius-md); background: var(--surface-2); opacity: .4; filter: grayscale(1); }
.achievement-item.unlocked { opacity: 1; filter: none; background: var(--primary-light); }
.achievement-icon { display: block; font-size: 24px; margin-bottom: 6px; }
.achievement-label { font-size: 11px; font-weight: 600; color: var(--text-muted); line-height: 1.3; }

/* Carga: prevista vs realizada */
.load-chart { display: flex; align-items: flex-end; gap: 8px; height: 140px; margin-top: 4px; }
.load-chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 6px; }
.load-bars { display: flex; align-items: flex-end; gap: 3px; height: 100%; width: 100%; justify-content: center; }
.load-bar { width: 40%; border-radius: 3px 3px 0 0; }
.load-bar.planned { background: var(--primary-light); }
.load-bar.real { background: var(--primary); }

/* ¿Qué pasaría si...? entrada */
.whatif-entry { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }

/* Historial */
.history-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.history-item { display: flex; align-items: center; gap: 12px; padding: 10px 4px; border-top: 1px solid var(--border); }
.history-item:first-child { border-top: none; }
.history-icon { font-size: 18px; }
.history-main { flex: 1; min-width: 0; }
.history-title { font-size: 13.5px; font-weight: 700; }
.history-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.history-status { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: var(--radius-full); white-space: nowrap; }
.status-completed { background: #DCFCE7; color: #15803D; }
.status-skipped { background: #FEE2E2; color: #B91C1C; }
.status-modified { background: #FEF3C7; color: #B45309; }
.session-status-tag { font-size: 10.5px; font-weight: 700; padding: 3px 9px; border-radius: var(--radius-full); margin-right: 4px; }
.session-card.skipped { opacity: .55; }

/* Entrenador conversacional */
.coach-chat { max-height: 220px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.coach-bubble { max-width: 82%; padding: 10px 14px; border-radius: var(--radius-md); font-size: 13.5px; line-height: 1.5; }
.coach-bubble.user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.coach-bubble.coach { align-self: flex-start; background: var(--surface-2); border-bottom-left-radius: 4px; }
.coach-form { display: flex; gap: 10px; }
.coach-form .input { flex: 1; }

/* Checkin: ¿cómo estás hoy? */
.checkin-card { max-width: 640px; }
.feeling-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (min-width: 480px) { .feeling-grid { grid-template-columns: repeat(5, 1fr); } }
.feeling-pill { border: 1.5px solid var(--border); border-radius: var(--radius-md); background: var(--surface); padding: 12px 6px; display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700; color: var(--text-muted); }
.feeling-pill.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); }
.feeling-emoji { font-size: 22px; }
.adjust-banner { background: var(--primary-light); border-radius: var(--radius-md); padding: 16px 18px; }
.adjust-banner strong { color: var(--primary-dark); font-size: 14.5px; }
.adjust-banner p { font-size: 13.5px; color: var(--primary-dark); margin-top: 6px; line-height: 1.55; }

/* Comparación planificado / real */
.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.compare-grid-lg .compare-value { font-size: 15px; }
.compare-col { background: var(--surface-2); border-radius: var(--radius-sm); padding: 12px; text-align: center; }
.compare-label { font-size: 10.5px; font-weight: 700; text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px; }
.compare-value { font-size: 13.5px; font-weight: 700; }
.delta { font-size: 11px; font-weight: 700; margin-left: 4px; }
.delta-up { color: var(--danger); }
.delta-down { color: var(--success); }

/* Cambios de plan tras registrar */
.plan-changes { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.change-item { background: var(--surface-2); border-radius: var(--radius-md); padding: 14px 16px; }
.change-item strong { font-size: 13px; }
.change-item p { font-size: 13.5px; margin-top: 4px; }
.achievement-toast-item { display: flex; align-items: center; gap: 10px; font-size: 14px; padding: 6px 0; }
.achievement-toast-item span { font-size: 20px; }

/* ¿Qué pasaría si...? panel de resultado */
.whatif-panel { max-width: 640px; }
.scenario-compare { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.scenario-col { flex: 1; min-width: 180px; background: var(--surface-2); border-radius: var(--radius-md); padding: 16px; }
.scenario-col.highlight { background: var(--primary-light); }
.scenario-title { font-size: 12.5px; font-weight: 700; text-transform: uppercase; color: var(--text-faint); margin-bottom: 10px; }
.scenario-stat { display: flex; justify-content: space-between; font-size: 13.5px; padding: 5px 0; }
.scenario-arrow { font-size: 20px; color: var(--text-faint); flex-shrink: 0; }