/* ============================================================
   SOLERA LABS — Stylesheet
   Paleta: Carbón · Blanco puro · Champán apagado
   ============================================================ */

:root {
  --black:    #0C0C0C;
  --dark:     #111111;
  --surface:  #1A1A1A;
  --border:   #2A2A2A;
  --muted:    #666666;
  --light:    #AAAAAA;
  --white:    #F8F8F8;
  --champagne:#C4B49A;   /* acento: champán apagado */
  --font:     'Inter', system-ui, sans-serif;
  --max:      1100px;
  --radius:   4px;
  --transition: 0.3s ease;
}

/* --- NEURAL CANVAS --- */
#neural-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--black); color: var(--white); font-family: var(--font); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* --- TIPOGRAFIA --- */
h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 300; letter-spacing: -0.02em; line-height: 1.1; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 300; letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; font-weight: 500; }
p  { color: var(--light); font-size: 0.95rem; }

/* --- LAYOUT --- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 2rem; }
section { padding: 6rem 0; }
.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 1rem;
}

/* Asegurar que el contenido quede sobre el canvas */
nav, section, footer, #chat-widget { position: relative; z-index: 1; }

/* --- NAV --- */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 2rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
nav.scrolled {
  background: rgba(12,12,12,0.95);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav-logo {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--white);
}
.nav-logo span { color: var(--champagne); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--light);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.lang-switcher { display: flex; gap: 0.4rem; margin-left: 1.5rem; }
.lang-btn {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.2rem 0.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.lang-btn.active { color: var(--champagne); border-color: var(--champagne); }
.lang-btn:hover:not(.active) { color: var(--light); }

/* Burger */
.burger { display: none; flex-direction: column; gap: 5px; }
.burger span { display: block; width: 22px; height: 1px; background: var(--white); transition: var(--transition); }
#mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--dark);
  border-top: 1px solid var(--border);
  position: fixed; top: 57px; left: 0; right: 0;
  z-index: 99;
  transform: translateY(-110%);
  transition: transform var(--transition);
}
#mobile-menu.open { transform: translateY(0); }

/* --- HERO --- */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 6rem;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 50%, rgba(196,180,154,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid-line {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.3;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 2rem;
  display: flex; align-items: center; gap: 0.8rem;
}
.hero-label::before { content: ''; display: block; width: 32px; height: 1px; background: var(--champagne); }
.hero-slogan { margin: 1.2rem 0 2.2rem; font-size: 1.1rem; font-weight: 300; color: var(--champagne); letter-spacing: 0.04em; }

/* Hero prompt input */
.hero-prompt-wrap {
  display: flex;
  align-items: flex-end;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.5rem 0.5rem 1.2rem;
  max-width: 100%;
  transition: border-color 0.25s;
}
.hero-prompt-wrap:focus-within { border-color: var(--champagne); }
#hero-prompt {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  resize: none;
  max-height: 140px;
  line-height: 1.6;
  padding: 0.4rem 0;
  outline: none;
}
#hero-prompt::placeholder { color: var(--muted); }
#hero-prompt-btn {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--champagne);
  color: var(--black);
  border: none; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
}
#hero-prompt-btn:hover { opacity: 0.85; transform: scale(1.05); }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 2rem;
  background: var(--champagne);
  color: var(--black);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: opacity var(--transition);
}
.btn-primary:hover { opacity: 0.85; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 2rem;
  border: 1px solid var(--border);
  color: var(--light);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.btn-outline:hover { border-color: var(--champagne); color: var(--champagne); }

/* --- DIVIDER --- */
.divider { border: none; border-top: 1px solid var(--border); }

/* --- SERVICIOS --- */
#services { background: var(--dark); }
#services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 3rem;
}
.service-card {
  background: var(--dark);
  padding: 2.5rem 2rem;
  transition: background var(--transition);
}
.service-card:hover { background: var(--surface); }
.service-icon {
  display: block;
  font-size: 1.4rem;
  color: var(--champagne);
  margin-bottom: 1.2rem;
}
.service-card h3 { margin-bottom: 0.8rem; }
.service-card p { font-size: 0.88rem; line-height: 1.7; }

/* --- QUOTE SERVICIOS --- */
.services-quote {
  margin-top: 2.5rem;
  padding-left: 1.2rem;
  border-left: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.services-quote p {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.6;
}
.services-quote cite {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--champagne);
  font-style: normal;
}

/* --- METODOLOGIA --- */
#method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}
.method-step { position: relative; padding-left: 1.5rem; border-left: 1px solid var(--border); }
.step-num {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--champagne);
  margin-bottom: 1rem;
}
.method-step h3 { margin-bottom: 0.6rem; }

/* --- CASOS --- */
#cases { background: var(--dark); }
#cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 3rem;
}
.case-card {
  background: var(--dark);
  padding: 2.5rem 2rem;
  transition: background var(--transition);
}
.case-card:hover { background: var(--surface); }
.case-category {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 1rem;
}
.case-card h3 { margin-bottom: 0.8rem; font-size: 1rem; }

/* --- BLOG --- */
#blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.post-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.post-card:hover { border-color: var(--champagne); }
.post-date {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
  letter-spacing: 0.04em;
}
.post-card h3 { font-size: 1rem; margin-bottom: 0.7rem; line-height: 1.4; }
.read-more {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--champagne);
  letter-spacing: 0.04em;
  transition: opacity var(--transition);
}
.read-more:hover { opacity: 0.7; }

/* --- CONTACTO --- */
#contact { background: var(--dark); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  margin-top: 3rem;
  align-items: start;
}
.contact-info p { margin-bottom: 2rem; }
.contact-detail {
  display: flex; flex-direction: column; gap: 1rem;
}
.contact-detail a {
  font-size: 0.88rem;
  color: var(--light);
  display: flex; align-items: center; gap: 0.6rem;
  transition: color var(--transition);
}
.contact-detail a:hover { color: var(--champagne); }
.contact-detail .label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.3rem;
}
form { display: flex; flex-direction: column; gap: 1.2rem; }
form input, form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 0.9rem 1rem;
  font-family: var(--font);
  font-size: 0.88rem;
  border-radius: var(--radius);
  transition: border-color var(--transition);
  resize: vertical;
}
form input::placeholder, form textarea::placeholder { color: var(--muted); }
form input:focus, form textarea:focus { outline: none; border-color: var(--champagne); }
form textarea { min-height: 130px; }

/* --- FOOTER --- */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
}
.footer-logo { font-size: 0.9rem; font-weight: 500; letter-spacing: 0.06em; }
.footer-logo span { color: var(--champagne); }
.footer-meta { font-size: 0.75rem; color: var(--muted); }
.footer-meta a { color: var(--muted); text-decoration: underline; }
.footer-meta a:hover { color: var(--light); }

/* --- SCROLL REVEAL --- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  #mobile-menu { display: flex; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  section { padding: 4rem 0; }
}

/* ============================================================
   PANEL LATERAL AGENTE (estilo Gemini)
   ============================================================ */
#agent-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(2px);
  z-index: 300;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#agent-overlay.open { display: block; opacity: 1; }

#agent-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 440px;
  max-width: 100vw;
  background: var(--dark);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 301;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -8px 0 40px rgba(0,0,0,0.5);
}
#agent-panel.open { transform: translateX(0); }

#agent-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 1.4rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#agent-panel-title { font-size: 0.9rem; font-weight: 500; letter-spacing: 0.04em; }
#agent-panel-title span { color: var(--champagne); }
#agent-panel-status {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.68rem; color: var(--muted); margin-top: 0.25rem;
}
.ap-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #4CAF7D; display: inline-block;
}
.ap-dot.thinking { background: var(--champagne); animation: pulse 1s infinite; }
#agent-panel-close {
  background: none; border: none; color: var(--muted);
  cursor: pointer; padding: 0.4rem; border-radius: 4px;
  display: flex; align-items: center;
  transition: color 0.2s, background 0.2s;
}
#agent-panel-close:hover { color: var(--white); background: var(--surface); }

#agent-messages {
  flex: 1; overflow-y: auto;
  padding: 1.4rem;
  display: flex; flex-direction: column; gap: 1rem;
  scroll-behavior: smooth;
}
#agent-messages::-webkit-scrollbar { width: 4px; }
#agent-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.ap-msg { display: flex; flex-direction: column; max-width: 90%; }
.ap-msg p {
  font-size: 0.85rem; line-height: 1.65;
  padding: 0.75rem 1rem; border-radius: 8px; margin: 0;
  white-space: pre-wrap;
}
.ap-msg-agent { align-self: flex-start; }
.ap-msg-agent p { background: var(--surface); border: 1px solid var(--border); color: var(--white); }
.ap-msg-user  { align-self: flex-end; }
.ap-msg-user p { background: var(--champagne); color: var(--black); }
.ap-msg-typing p { background: var(--surface); border: 1px solid var(--border); color: var(--muted); font-style: italic; }

#agent-input-area {
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--border);
  display: flex; gap: 0.6rem; align-items: flex-end;
  flex-shrink: 0;
}
#agent-input {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  color: var(--white); padding: 0.65rem 0.9rem;
  font-family: var(--font); font-size: 0.83rem;
  border-radius: 6px; resize: none; max-height: 120px;
  line-height: 1.5; transition: border-color 0.2s;
}
#agent-input:focus { outline: none; border-color: var(--champagne); }
#agent-input::placeholder { color: var(--muted); }
#agent-send {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--champagne); color: var(--black);
  border: none; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: opacity 0.2s;
}
#agent-send:hover { opacity: 0.85; }
#agent-send:disabled { opacity: 0.35; cursor: default; }

#agent-footer-note {
  text-align: center; font-size: 0.62rem; color: var(--muted);
  padding: 0.45rem; letter-spacing: 0.06em;
  border-top: 1px solid var(--border); flex-shrink: 0;
}

@media (max-width: 600px) {
  #agent-panel { width: 100vw; }
}