* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black: #0a0a0a;
  --white: #fafafa;
  --cream: #f5f0e8;
  --ocean: #1a6b8a;
  --ocean-light: #2a8aad;
  --text: #1a1a1a;
  --text-soft: #666;
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--white); color: var(--text); line-height: 1.6; }
.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }

/* NAV */
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 40px;
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #eee;
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.logo { font-size: 22px; font-weight: 800; letter-spacing: -1px; }
.logo span { color: var(--ocean); }
.btn-nav { background: var(--black); color: white; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-size: 14px; font-weight: 500; transition: opacity 0.2s; }
.btn-nav:hover { opacity: 0.75; }

/* HERO */
.hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; min-height: 92vh;
  padding: 80px 40px; max-width: 1200px; margin: 0 auto;
}
.tag { display: inline-block; background: var(--cream); color: var(--ocean); font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 6px 14px; border-radius: 20px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(30px, 3.8vw, 50px); font-weight: 800; line-height: 1.12; letter-spacing: -1.5px; margin-bottom: 20px; }
.subtitle { font-size: 17px; color: var(--text-soft); line-height: 1.75; margin-bottom: 32px; max-width: 460px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.btn-primary { background: var(--ocean); color: white; padding: 14px 28px; border-radius: var(--radius); text-decoration: none; font-weight: 600; font-size: 15px; transition: background 0.2s, transform 0.15s; display: inline-block; }
.btn-primary:hover { background: var(--ocean-light); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text); padding: 14px 28px; border-radius: var(--radius); text-decoration: none; font-weight: 500; font-size: 15px; border: 1.5px solid #ddd; transition: border-color 0.2s, color 0.2s; }
.btn-secondary:hover { border-color: var(--ocean); color: var(--ocean); }
.hero-proof { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-proof span { font-size: 12px; color: var(--text-soft); background: var(--cream); padding: 6px 12px; border-radius: 20px; }

/* CHAT MOCK */
.hero-visual { position: relative; }
.chat-mock { background: white; border-radius: var(--radius-lg); box-shadow: 0 24px 64px rgba(0,0,0,0.12); overflow: hidden; max-width: 340px; margin-left: auto; }
.chat-header { background: var(--ocean); color: white; padding: 16px 20px; display: flex; align-items: center; gap: 12px; }
.chat-avatar { width: 38px; height: 38px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.chat-name { font-weight: 600; font-size: 14px; }
.chat-status { font-size: 12px; opacity: 0.85; display: flex; align-items: center; gap: 5px; }
.dot { width: 7px; height: 7px; background: #4ade80; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:0.4} }
.chat-messages { padding: 16px; background: #f0f2f5; display: flex; flex-direction: column; gap: 8px; min-height: 200px; }
.msg { padding: 9px 13px; border-radius: 12px; font-size: 13px; max-width: 85%; line-height: 1.5; opacity: 0; transform: translateY(8px); transition: opacity 0.4s, transform 0.4s; }
.msg.show { opacity: 1; transform: translateY(0); }
.msg.incoming { background: white; align-self: flex-start; border-bottom-left-radius: 3px; }
.msg.outgoing { background: var(--ocean); color: white; align-self: flex-end; border-bottom-right-radius: 3px; }
.msg.time { font-size: 10.5px; color: #aaa; text-align: center; background: transparent; align-self: center; padding: 2px; }
.typing { display: flex; gap: 4px; padding: 10px 14px; background: white; border-radius: 12px; align-self: flex-start; border-bottom-left-radius: 3px; width: 50px; }
.typing span { width: 7px; height: 7px; background: #bbb; border-radius: 50%; animation: bounce 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)} }
.chat-badge { text-align: center; font-size: 12px; color: var(--text-soft); margin-top: 12px; margin-left: auto; max-width: 340px; }

/* ANIMATE */
[data-animate] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-animate].visible { opacity: 1; transform: translateY(0); }

section { padding: 80px 0; }

/* PARA QUIEN */
.para-quien { background: var(--cream); }
.para-quien h2, .como-funciona h2, .que-gestiona h2, .quien-soy h2 { font-size: 30px; font-weight: 800; margin-bottom: 40px; letter-spacing: -0.5px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: white; border-radius: var(--radius-lg); padding: 28px; transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
.card-icon { font-size: 32px; margin-bottom: 12px; }
.card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--text-soft); line-height: 1.65; }

/* STEPS */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.step-num { font-size: 48px; font-weight: 900; color: #eee; line-height: 1; margin-bottom: 10px; }
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-soft); line-height: 1.65; }

/* FEATURES */
.que-gestiona { background: var(--black); color: white; }
.que-gestiona h2 { color: white; }
.features { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: #ccc; }
.features li span { color: #4ade80; font-weight: 700; margin-top: 1px; }
.features-note { font-size: 13px; color: #555; font-style: italic; }

/* PRECIO */
.precio { background: var(--cream); }
.precio-card { background: white; border-radius: var(--radius-lg); padding: 48px; display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; box-shadow: 0 4px 30px rgba(0,0,0,0.06); }
.precio h2 { font-size: 28px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
.precio-left p { color: var(--text-soft); margin-bottom: 20px; font-size: 15px; }
.precio-left ul { list-style: none; }
.precio-left ul li { font-size: 14px; color: var(--text-soft); padding: 5px 0 5px 20px; position: relative; }
.precio-left ul li::before { content: "→"; position: absolute; left: 0; color: var(--ocean); }
.precio-right { text-align: center; min-width: 180px; }
.precio-num { font-size: 56px; font-weight: 900; line-height: 1; color: var(--ocean); margin-bottom: 4px; }
.precio-num span { font-size: 18px; font-weight: 400; color: var(--text-soft); }
.precio-right p { font-size: 13px; color: var(--text-soft); margin-bottom: 24px; }

/* QUIEN SOY */
.bio { max-width: 580px; }
.bio h2 { font-size: 30px; font-weight: 800; margin-bottom: 20px; }
.bio p { font-size: 16px; color: var(--text-soft); line-height: 1.8; margin-bottom: 14px; }
.link-github { color: var(--ocean); text-decoration: none; font-size: 14px; font-weight: 600; display: inline-block; margin-top: 4px; }
.link-github:hover { text-decoration: underline; }

/* CONTACTO */
.contacto { background: var(--black); color: white; text-align: center; padding: 100px 0; }
.contacto h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; color: white; }
.contacto > .container > p { color: #888; font-size: 16px; margin-bottom: 36px; max-width: 480px; margin-left: auto; margin-right: auto; }
.contacto-opciones { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.contacto-btn { padding: 14px 32px; border-radius: var(--radius); text-decoration: none; font-weight: 600; font-size: 15px; transition: opacity 0.2s, transform 0.15s; }
.contacto-btn:hover { opacity: 0.85; transform: translateY(-2px); }
.contacto-btn.email { background: var(--ocean); color: white; }
.contacto-btn.whatsapp { background: #25D366; color: white; }
.contacto-nota { font-size: 13px; color: #444; }

footer { padding: 24px 40px; border-top: 1px solid #eee; background: var(--white); }
footer .container { display: flex; justify-content: space-between; align-items: center; }
footer p { font-size: 13px; color: #aaa; }

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 60px 24px; min-height: auto; gap: 40px; }
  nav { padding: 14px 20px; }
  .hero-visual { order: -1; }
  .chat-mock { max-width: 100%; }
  .features { grid-template-columns: 1fr; }
  .precio-card { grid-template-columns: 1fr; padding: 28px; }
  .precio-right { border-top: 1px solid #eee; padding-top: 28px; }
  footer .container { flex-direction: column; gap: 8px; text-align: center; }
}