/* ============================================================
   Estilos extraídos de index.html (Fase 2 — CSS fuera del HTML)
   ============================================================ */

/* ============================================================
   DESIGN TOKENS — Coherentes con hopecgroup.com (B2B tech serio)
   ============================================================ */
:root {
  /* Paleta base corporativa */
  --bg:          #0A1828;
  --bg-soft:     #0F2238;
  --surface:     #FFFFFF;
  --surface-2:   #F6F8FB;
  --border:      #E3E8F0;
  --border-soft: #EDF1F7;
  
  /* Tipografía */
  --text:        #0A1828;
  --text-soft:   #3A4A60;
  --text-mute:   #6B7A90;
  --text-dim:    #94A3B8;
  --text-inv:    #FFFFFF;
  --text-inv-soft:#B6C4D6;
  
  /* Acentos HOPE */
  --hope-accent: #2EC4B6;
  --hope-deep:   #1A6B7A;
  --hope-warm:   #F4A261;
  
  /* Estados */
  --success:     #10B981;
  --info:        #3B82F6;
  
  /* Fonts */
  --font-display:'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;
  
  /* Spacing */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px;  --sp-8: 64px; --sp-9: 96px;
  
  /* Containers */
  --w-max:   1180px;
  --w-text:  720px;
  --r-sm:    6px;
  --r-md:    12px;
  --r-lg:    20px;
  --r-xl:    28px;
  
  /* Shadows */
  --sh-1: 0 1px 2px rgba(10, 24, 40, 0.05);
  --sh-2: 0 4px 12px rgba(10, 24, 40, 0.06);
  --sh-3: 0 12px 36px rgba(10, 24, 40, 0.08);
  --sh-4: 0 24px 60px rgba(10, 24, 40, 0.12);
}

/* ============================================================
   RESET MÍNIMO
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--bg);
  background-image: 
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(46, 196, 182, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(244, 162, 97, 0.10) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--text-inv);
  padding: var(--sp-8) var(--sp-5) var(--sp-9);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-inner {
  max-width: var(--w-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 14px;
  background: rgba(46, 196, 182, 0.12);
  border: 1px solid rgba(46, 196, 182, 0.3);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--hope-accent);
  text-transform: uppercase;
  margin-bottom: var(--sp-6);
}

.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--hope-accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--hope-accent);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 var(--sp-5);
  max-width: 16ch;
}

.hero-title em {
  font-style: italic;
  color: var(--hope-accent);
  font-weight: 400;
}

.hero-lead {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.55;
  color: var(--text-inv-soft);
  max-width: 56ch;
  margin: 0 0 var(--sp-7);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-meta-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  color: var(--text-inv);
  letter-spacing: -0.02em;
}

.hero-meta-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============================================================
   QUICK NAV (sticky después del hero)
   ============================================================ */
.toc {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.toc-inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 14px var(--sp-5);
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  scrollbar-width: none;
}

.toc-inner::-webkit-scrollbar { display: none; }

.toc-link {
  flex-shrink: 0;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--r-sm);
  white-space: nowrap;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.toc-link:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-soft);
}

/* ============================================================
   INTRO BAND
   ============================================================ */
.intro {
  padding: var(--sp-9) var(--sp-5) var(--sp-7);
  background: var(--surface-2);
}

.intro-inner {
  max-width: var(--w-text);
  margin: 0 auto;
  text-align: center;
}

.intro-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--hope-deep);
  font-weight: 600;
  margin-bottom: var(--sp-3);
}

.intro-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 var(--sp-4);
}

.intro-text {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0;
}

/* ============================================================
   TOOLS SECTION (cada IA es una sección)
   ============================================================ */
.tools {
  padding: var(--sp-7) var(--sp-5) var(--sp-9);
  max-width: var(--w-max);
  margin: 0 auto;
}

.tool {
  margin: var(--sp-8) 0;
  background: var(--surface);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-2);
  overflow: hidden;
  position: relative;
}

.tool:first-child { margin-top: 0; }

/* Header de cada herramienta */
.tool-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--sp-5);
  align-items: center;
  padding: var(--sp-6) var(--sp-6);
  border-bottom: 1px solid var(--border-soft);
  position: relative;
}

.tool-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--tool-color, var(--hope-accent));
}

.tool-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  background: var(--tool-bg, var(--surface-2));
  display: grid;
  place-items: center;
  font-size: 28px;
  border: 1px solid var(--border-soft);
}

.tool-meta { display: flex; flex-direction: column; gap: 4px; }

.tool-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
  line-height: 1.1;
}

.tool-company {
  font-size: 13px;
  color: var(--text-mute);
  font-weight: 500;
}

.tool-tagline {
  font-size: 14px;
  color: var(--text-soft);
  margin-top: 4px;
  line-height: 1.4;
}

.tool-pricing {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.tool-pricing-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.tool-pricing-value {
  font-size: 14px;
  color: var(--text-soft);
  font-weight: 500;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--tool-color, var(--hope-accent));
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid var(--tool-color, var(--hope-accent));
  border-radius: 999px;
  transition: all 0.2s;
}

.tool-link:hover {
  background: var(--tool-color, var(--hope-accent));
  color: white;
}

/* Lista de casos dentro de la herramienta */
.cases {
  padding: var(--sp-5) var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.case {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  transition: border-color 0.2s;
}

.case:hover {
  border-color: var(--tool-color, var(--hope-accent));
}

.case-head {
  padding: var(--sp-5) var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.case-sector {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tool-color, var(--hope-deep));
  background: var(--tool-bg, var(--surface-2));
  border-radius: var(--r-sm);
}

.case-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.case-context {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: var(--sp-2) 0 0;
}

/* Prompt block */
.prompt {
  margin: 0 var(--sp-5) var(--sp-5);
  background: #0F1B2D;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid #1A2B45;
}

.prompt-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid #1A2B45;
  background: #0A1424;
}

.prompt-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--tool-color, var(--hope-accent));
}

.prompt-label::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--tool-color, var(--hope-accent));
  border-radius: 50%;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-sm);
  color: #E4ECF7;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-body);
  transition: all 0.15s ease;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.copy-btn:active { transform: translateY(1px); }

.copy-btn.copied {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34D399;
}

.copy-btn svg { width: 14px; height: 14px; }

.prompt-body {
  padding: var(--sp-5);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: #D5DEED;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 360px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #2A3B55 #0F1B2D;
}

.prompt-body::-webkit-scrollbar { width: 6px; }
.prompt-body::-webkit-scrollbar-track { background: #0F1B2D; }
.prompt-body::-webkit-scrollbar-thumb { background: #2A3B55; border-radius: 3px; }

/* Value of business */
.value {
  margin: 0 var(--sp-5) var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  background: var(--tool-bg, var(--surface-2));
  border-left: 3px solid var(--tool-color, var(--hope-accent));
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.value-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--tool-color, var(--hope-deep));
  margin-bottom: 4px;
}

.value-text {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  margin: 0;
  font-weight: 500;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta {
  background: var(--bg);
  background-image: 
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(46, 196, 182, 0.18) 0%, transparent 60%);
  color: var(--text-inv);
  padding: var(--sp-9) var(--sp-5);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner {
  max-width: var(--w-text);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 var(--sp-4);
}

.cta-text {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-inv-soft);
  margin: 0 0 var(--sp-6);
}

.cta-buttons {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  transition: all 0.2s ease;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--hope-accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #34D8C9;
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(46, 196, 182, 0.3);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  background: var(--bg-soft);
  color: var(--text-inv-soft);
  padding: var(--sp-6) var(--sp-5);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  font-size: 13px;
}

.foot a {
  color: var(--hope-accent);
  font-weight: 500;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .hero { padding: var(--sp-7) var(--sp-4) var(--sp-8); }
  .hero-meta { gap: var(--sp-4); }
  .hero-meta-num { font-size: 24px; }
  .intro { padding: var(--sp-7) var(--sp-4) var(--sp-5); }
  .tools { padding: var(--sp-5) var(--sp-4) var(--sp-7); }
  
  .tool-header {
    grid-template-columns: auto 1fr;
    gap: var(--sp-3);
    padding: var(--sp-5) var(--sp-4);
  }
  
  .tool-pricing {
    grid-column: 1 / -1;
    text-align: left;
    align-items: flex-start;
    padding-top: var(--sp-3);
    border-top: 1px solid var(--border-soft);
    margin-top: var(--sp-2);
    flex-direction: row;
    gap: var(--sp-3);
    align-items: center;
  }
  
  .tool-name { font-size: 22px; }
  .cases { padding: var(--sp-4); gap: var(--sp-4); }
  .case-head { padding: var(--sp-4); }
  .case-title { font-size: 18px; }
  .prompt { margin: 0 var(--sp-4) var(--sp-4); }
  .prompt-body { padding: var(--sp-4); font-size: 12.5px; max-height: 300px; }
  .value { margin: 0 var(--sp-4) var(--sp-4); }
  .cta { padding: var(--sp-7) var(--sp-4); }
  .btn { padding: 12px 18px; font-size: 14px; }
}

/* ============================================================
   MAIN NAVIGATION — coherente con hopecgroup.com
   ============================================================ */
.main-nav {
  background: rgba(10, 24, 40, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.nav-left {
  flex-shrink: 0;
}

.logo {
  display: block;
  position: relative;
  height: 34px;
  width: 132px;
}

.logo img {
  height: 34px;
  width: auto;
  display: block;
}

.nav-center {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-link {
  color: var(--text-inv-soft);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--hope-accent);
}

.nav-right {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}

.nav-btn-secondary {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: var(--text-inv);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-btn-secondary:hover {
  border-color: var(--hope-accent);
  color: var(--hope-accent);
}

.nav-btn-primary {
  padding: 8px 16px;
  background: var(--hope-accent);
  border: 1px solid var(--hope-accent);
  border-radius: 6px;
  color: var(--text-inv);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-btn-primary:hover {
  background: var(--hope-deep);
  border-color: var(--hope-deep);
}

/* Mobile nav */
@media (max-width: 1024px) {
  .nav-center {
    display: none;
  }

  .nav-container {
    padding: 12px 16px;
  }

  .logo {
    height: 28px;
    width: auto;
  }

  .logo img {
    height: 28px;
  }

  .nav-right {
    gap: 8px;
  }

  .nav-btn-secondary,
  .nav-btn-primary {
    padding: 6px 12px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .nav-btn-secondary {
    display: none;
  }
}

@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}