/* BIOTELE — Precision Longevity Systems · Siempre Salud */
:root {
  --navy: #071b33;
  --navy-2: #0a2240;
  --navy-3: #0f2d52;
  --teal: #17d1c5;
  --teal-soft: #6fe8df;
  --teal-dim: #0fa89e;
  --paper: #f5f8fb;
  --white: #ffffff;
  --ink: #0e2038;
  --dim: #55677f;
  --dim-light: rgba(226, 240, 250, 0.66);
  --line-dark: rgba(23, 209, 197, 0.16);
  --line-light: #dfe8f1;
  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: var(--teal); color: var(--navy); }

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.02em; font-weight: 600; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; }
.reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; }

/* ---------- wordmark ---------- */
.wordmark { display: inline-flex; flex-direction: column; line-height: 1; }
.wordmark .bt { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; letter-spacing: 0.34em; color: #fff; display: inline-flex; }
.wordmark .bt .idot { position: relative; }
.wordmark .bt .idot::before { content: ""; position: absolute; top: -0.34em; left: 50%; transform: translateX(-72%); width: 0.28em; height: 0.28em; border-radius: 50%; background: var(--teal); }
.wordmark .ss { margin-top: 6px; font-size: 0.6rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--teal-soft); font-family: var(--font-display); }
.wordmark.dark .bt { color: var(--navy); }
.wordmark.dark .ss { color: var(--teal-dim); }

/* ---------- nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 100; transition: background .3s, box-shadow .3s; }
.nav.scrolled, .nav-solid { background: rgba(7, 27, 51, 0.92); backdrop-filter: blur(14px); box-shadow: 0 1px 0 rgba(23,209,197,0.18); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.nav-links { display: flex; gap: 26px; font-size: 0.9rem; color: rgba(255,255,255,0.72); font-weight: 500; align-items: center; }
.nav-links a { position: relative; padding: 4px 0; transition: color .2s; white-space: nowrap; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--teal); transition: width .25s; border-radius: 2px; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-toggle { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: #fff; font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.12em; padding: 8px 14px; border-radius: 999px; cursor: pointer; transition: all .2s; }
.lang-toggle:hover { border-color: var(--teal); color: var(--teal); }
.menu-btn { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 32px; font-family: var(--font-display); font-weight: 600; font-size: 0.92rem; cursor: pointer; border: none; border-radius: 999px; transition: all .22s; }
.btn-teal { background: linear-gradient(100deg, var(--teal), #3ce0d5); color: var(--navy); box-shadow: 0 10px 28px -12px rgba(23,209,197,0.55); }
.btn-teal:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(23,209,197,0.7); }
.btn-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.34); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal-soft); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-3); transform: translateY(-2px); }
.btn-sm { padding: 10px 22px; font-size: 0.84rem; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 94svh; display: flex; align-items: center; padding: 150px 0 110px; color: #fff; overflow: hidden;
  background:
    radial-gradient(1000px 600px at 88% 50%, rgba(23, 209, 197, 0.3), transparent 60%),
    radial-gradient(700px 500px at 70% 100%, rgba(15, 45, 82, 0.9), transparent 75%),
    linear-gradient(115deg, #051526 0%, #071b33 48%, #0b3a4d 82%, #0f5f66 100%);
}
#net-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 2; max-width: 780px; }
.overline { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 0.76rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--teal-soft); margin-bottom: 28px; }
.overline::before { content: ""; width: 42px; height: 2px; border-radius: 2px; background: var(--teal); }
.hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.1rem); font-weight: 700; margin-bottom: 26px; }
.hero h1 em { font-style: normal; background: linear-gradient(100deg, var(--teal), #7ff0e6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { font-size: 1.16rem; color: var(--dim-light); max-width: 620px; margin-bottom: 42px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-note { position: absolute; z-index: 2; bottom: 28px; left: 0; right: 0; }
.hero-note .container { display: flex; justify-content: space-between; gap: 20px; font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(255,255,255,0.38); font-family: var(--font-display); }

/* interior page hero */
.page-hero { position: relative; padding: 168px 0 92px; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 480px at 90% 110%, rgba(23,209,197,0.26), transparent 62%),
    linear-gradient(115deg, #051526, #071b33 55%, #0a3547); }
.page-hero .overline { margin-bottom: 20px; }
.page-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); max-width: 840px; }
.page-hero h1 em { font-style: normal; color: var(--teal-soft); }
.page-hero .lede { margin-top: 20px; font-size: 1.1rem; color: var(--dim-light); max-width: 660px; }

/* ---------- sections ---------- */
section { padding: 104px 0; }
.section-head { max-width: 760px; margin-bottom: 64px; }
.kicker { display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 0.76rem; letter-spacing: 0.32em; text-transform: uppercase; color: var(--teal-dim); margin-bottom: 20px; }
.kicker::before { content: ""; width: 42px; height: 2px; border-radius: 2px; background: var(--teal); }
.section-head h2 { font-size: clamp(1.85rem, 3.7vw, 2.8rem); }
.section-head p { margin-top: 18px; font-size: 1.07rem; color: var(--dim); max-width: 640px; }
.on-dark { background: var(--navy); color: #fff; }
.on-dark .kicker { color: var(--teal-soft); }
.on-dark .section-head p { color: var(--dim-light); }
.on-paper { background: var(--paper); }
.center { text-align: center; }
.center .section-head { margin-left: auto; margin-right: auto; }
.center .kicker { justify-content: center; }

/* mission trio */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.trio-card { position: relative; border-radius: 18px; padding: 38px 32px; background: linear-gradient(160deg, var(--navy-2), var(--navy-3)); border: 1px solid var(--line-dark); overflow: hidden; transition: transform .25s, border-color .25s; }
.trio-card:hover { transform: translateY(-6px); border-color: rgba(23,209,197,0.5); }
.trio-card::after { content: ""; position: absolute; right: -50px; bottom: -50px; width: 190px; height: 190px; border-radius: 50%; background: radial-gradient(circle, rgba(23,209,197,0.22), transparent 70%); }
.trio-card .t-label { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--teal-soft); display: block; margin-bottom: 14px; }
.trio-card h3 { color: #fff; font-size: 1.5rem; margin-bottom: 10px; }
.trio-card p { color: var(--dim-light); font-size: 0.95rem; }

/* pillars row */
.pillars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.pillar { text-align: center; padding: 30px 16px; background: #fff; border: 1px solid var(--line-light); border-radius: 16px; transition: transform .22s, box-shadow .22s; }
.pillar:hover { transform: translateY(-5px); box-shadow: 0 24px 44px -28px rgba(7,27,51,0.35); }
.pillar .ico { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle at 30% 30%, rgba(23,209,197,0.22), rgba(23,209,197,0.08)); border: 1px solid rgba(23,209,197,0.35); font-size: 1.35rem; }
.pillar h3 { font-size: 0.98rem; margin-bottom: 8px; }
.pillar p { font-size: 0.84rem; color: var(--dim); }

/* cycle */
.cycle { display: grid; grid-template-columns: repeat(6, 1fr); gap: 13px; }
.cycle-step { position: relative; background: var(--navy-2); border: 1px solid var(--line-dark); border-radius: 12px; padding: 26px 14px 22px; text-align: center; transition: transform .25s, border-color .25s; }
.cycle-step:hover { transform: translateY(-5px); border-color: var(--teal); }
.cycle-step::after { content: "→"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%); color: var(--teal); font-size: 0.9rem; z-index: 2; }
.cycle-step:last-child::after { content: "↺"; right: 10px; top: 8px; transform: none; opacity: .7; }
.cycle-step .n { font-family: var(--font-display); font-size: 0.66rem; letter-spacing: 0.26em; color: var(--teal-soft); display: block; margin-bottom: 10px; }
.cycle-step h3 { font-size: 0.98rem; color: #fff; }
.cycle-note { margin-top: 32px; color: var(--dim-light); font-size: 0.97rem; max-width: 680px; }
.cycle-note strong { color: var(--teal-soft); font-weight: 600; }

/* ecosystem grid */
.eco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.eco-card { background: #fff; border: 1px solid var(--line-light); border-radius: 16px; padding: 32px 28px; position: relative; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.eco-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--teal), transparent 75%); opacity: 0; transition: opacity .25s; }
.eco-card:hover { transform: translateY(-6px); box-shadow: 0 26px 48px -30px rgba(7,27,51,0.4); }
.eco-card:hover::before { opacity: 1; }
.eco-card .ico { font-size: 1.5rem; margin-bottom: 14px; display: block; }
.eco-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.eco-card p { color: var(--dim); font-size: 0.93rem; }

/* division tiles */
.div-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.div-card { position: relative; display: block; border-radius: 18px; padding: 40px 32px; min-height: 250px; color: #fff; overflow: hidden;
  background: linear-gradient(155deg, var(--navy-2), var(--navy-3)); border: 1px solid var(--line-dark); transition: transform .25s, border-color .25s; }
.div-card:hover { transform: translateY(-6px); border-color: rgba(23,209,197,0.55); }
.div-card .d-num { font-family: var(--font-display); font-size: 0.7rem; letter-spacing: 0.3em; color: var(--teal-soft); }
.div-card h3 { font-size: 1.4rem; margin: 14px 0 10px; }
.div-card p { color: var(--dim-light); font-size: 0.93rem; }
.div-card .go { position: absolute; bottom: 26px; left: 32px; font-family: var(--font-display); font-size: 0.85rem; color: var(--teal-soft); }

/* list rows / principles */
.principles { display: grid; }
.principle { display: grid; grid-template-columns: 84px 1fr 1.35fr; gap: 30px; padding: 40px 0; border-top: 1px solid var(--line-light); align-items: start; }
.principle:last-child { border-bottom: 1px solid var(--line-light); }
.principle .idx { font-family: var(--font-display); font-size: 1.5rem; color: var(--teal-dim); font-weight: 700; }
.principle h3 { font-size: 1.26rem; }
.principle p { color: var(--dim); font-size: 0.99rem; }
.on-dark .principle { border-color: rgba(255,255,255,0.08); }
.on-dark .principle p { color: var(--dim-light); }
.on-dark .principle .idx { color: var(--teal-soft); }

/* chip list */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line-light); background: #fff; font-size: 0.86rem; color: var(--dim); }
.on-dark .chip { background: rgba(255,255,255,0.04); border-color: var(--line-dark); color: var(--dim-light); }

/* split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 18px; }
.split .kicker { margin-bottom: 16px; }
.split p { color: var(--dim); margin-bottom: 14px; }
.on-dark .split p { color: var(--dim-light); }
.split ul { list-style: none; margin-top: 8px; }
.split li { padding: 9px 0 9px 30px; position: relative; color: var(--dim); }
.split li::before { content: "✓"; position: absolute; left: 0; color: var(--teal-dim); font-weight: 700; }
.on-dark .split li { color: var(--dim-light); }
.on-dark .split li::before { color: var(--teal-soft); }
.visual { border-radius: 18px; min-height: 400px; position: relative; overflow: hidden;
  background: linear-gradient(150deg, #0a2240, #0e3a52 70%, #0f5f66); border: 1px solid var(--line-dark); }
.visual .glow { position: absolute; inset: 0; background: radial-gradient(440px 260px at 72% 82%, rgba(23,209,197,0.4), transparent 70%); }
.visual .vcenter { position: absolute; inset: 0; display: grid; place-items: center; color: #fff; text-align: center; padding: 34px; }
.visual .vcenter .big { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--teal-soft); }
.visual .vcenter p { color: rgba(255,255,255,0.62); font-size: 0.88rem; margin-top: 12px; max-width: 320px; }

/* stat band */
.band { padding: 80px 0; background: linear-gradient(115deg, #0a2240, #0e3a52); color: #fff; position: relative; overflow: hidden; }
.band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 280px at 88% 120%, rgba(23,209,197,0.3), transparent 65%); }
.band-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.band-item { border-left: 2px solid rgba(23,209,197,0.4); padding-left: 26px; }
.band-item h3 { font-size: 1.08rem; color: var(--teal-soft); margin-bottom: 8px; }
.band-item p { color: var(--dim-light); font-size: 0.94rem; }

/* quote */
.quote-wrap { max-width: 880px; }
.quote-wrap blockquote { font-family: var(--font-display); font-size: clamp(1.4rem, 2.8vw, 2rem); font-weight: 500; line-height: 1.4; letter-spacing: -0.015em; }
.quote-wrap blockquote em { font-style: normal; color: var(--teal-dim); }
.on-dark .quote-wrap blockquote em { color: var(--teal-soft); }
.quote-wrap .attr { margin-top: 20px; color: var(--dim); font-size: 0.9rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-display); }
.on-dark .quote-wrap .attr { color: var(--dim-light); }

/* roles */
.role-card { background: #fff; border: 1px solid var(--line-light); border-radius: 16px; padding: 34px 30px; margin-bottom: 20px; transition: box-shadow .25s, transform .25s; }
.role-card:hover { transform: translateY(-4px); box-shadow: 0 24px 46px -30px rgba(7,27,51,0.4); }
.role-card h3 { font-size: 1.25rem; margin-bottom: 6px; }
.role-card .meta { font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal-dim); margin-bottom: 14px; }
.role-card p { color: var(--dim); font-size: 0.95rem; margin-bottom: 12px; }

/* CTA */
.cta { position: relative; padding: 130px 0; color: #fff; text-align: center; overflow: hidden;
  background:
    radial-gradient(900px 460px at 50% 130%, rgba(23,209,197,0.42), transparent 62%),
    linear-gradient(115deg, #051526, #071b33 60%, #0a3547); }
.cta h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); max-width: 800px; margin: 0 auto 22px; }
.cta h2 em { font-style: normal; color: var(--teal-soft); }
.cta p { color: var(--dim-light); max-width: 600px; margin: 0 auto 40px; font-size: 1.07rem; }
.cta .hero-ctas { justify-content: center; }

/* forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; font-family: var(--font-display); font-size: 0.76rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); margin-bottom: 8px; }
.field input, .field textarea, .field select { width: 100%; padding: 14px 16px; border: 1px solid var(--line-light); border-radius: 10px; font-family: var(--font-body); font-size: 0.97rem; color: var(--ink); background: #fff; transition: border-color .2s; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--teal); }

/* disclaimer */
.disclaimer-band { background: var(--paper); border-top: 1px solid var(--line-light); padding: 32px 0; }
.disclaimer-band p { font-size: 0.84rem; color: var(--dim); max-width: 900px; }
.disclaimer-band strong { color: var(--ink); }

/* footer */
footer { background: #04101f; color: rgba(255,255,255,0.6); padding: 72px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h4 { color: #fff; font-size: 0.8rem; letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 18px; }
.footer-grid a { display: block; padding: 5px 0; font-size: 0.92rem; transition: color .2s; }
.footer-grid a:hover { color: var(--teal-soft); }
.footer-tagline { margin-top: 16px; font-size: 0.92rem; max-width: 300px; }
.footer-legal { margin-top: 52px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; font-size: 0.78rem; color: rgba(255,255,255,0.35); }

@media (max-width: 980px) {
  .cycle { grid-template-columns: repeat(2, 1fr); }
  .cycle-step::after { display: none; }
  .trio, .eco-grid, .div-grid, .band-grid, .pillars { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .split, .form-grid { grid-template-columns: 1fr; }
  .principle { grid-template-columns: 1fr; gap: 10px; padding: 30px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; position: fixed; top: 78px; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 24px 28px; gap: 16px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); align-items: flex-start; }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  section { padding: 76px 0; }
  .hero { padding: 130px 0 90px; }
  .hero-note { display: none; }
}