/* =====================================================
   HRONOS — Longevity Hub
   Brand Kit Oficial
   Paleta: #0A1A2F, #2F80ED, #56CCF2, #BFC7D5, #F4F7FB
   Tipografía: Cinzel (logo), Sora (UI)
   ===================================================== */

:root {
  --c-bg-deep: #0A1A2F;
  --c-bg-elev: #0F2440;
  --c-bg-soft: #142B4D;
  --c-blue:    #2F80ED;
  --c-blue-glow:#56CCF2;
  --c-gray:    #BFC7D5;
  --c-white:   #F4F7FB;
  --c-white-dim: rgba(244,247,251,0.72);
  --c-white-faint: rgba(244,247,251,0.12);

  --ff-display: 'Cinzel', 'Trajan Pro', 'Times New Roman', serif;
  --ff-body:    'Sora', 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --tracking-loose: 0.18em;
  --tracking-md: 0.08em;

  --container: 1180px;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-glow: 0 0 0 1px rgba(86,204,242,0.18), 0 30px 80px -30px rgba(47,128,237,0.45);
  --transition: 240ms cubic-bezier(.2,.7,.3,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-weight: 300;
  color: var(--c-white);
  background: var(--c-bg-deep);
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(ellipse 1200px 600px at 80% -10%, rgba(47,128,237,0.18), transparent 60%),
    radial-gradient(ellipse 900px 500px at -10% 30%, rgba(86,204,242,0.10), transparent 60%);
  background-attachment: fixed;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--c-blue-glow); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-white); }

/* ---------- Typography ---------- */
.display, h1, h2, h3 {
  font-family: var(--ff-display);
  font-weight: 500;
  letter-spacing: var(--tracking-md);
  color: var(--c-white);
  line-height: 1.15;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: 0.06em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; letter-spacing: 0.04em; }

p { margin: 0 0 1em; color: var(--c-white-dim); }
.eyebrow {
  font-family: var(--ff-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: var(--tracking-loose);
  text-transform: uppercase;
  color: var(--c-blue-glow);
  margin: 0 0 1.2em;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--c-blue);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.section {
  padding: clamp(70px, 9vw, 130px) 0;
  position: relative;
}
.section--soft { background: linear-gradient(180deg, transparent, rgba(20,43,77,0.55), transparent); }

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-white-faint), transparent);
  margin: 0;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10,26,47,0.78);
  border-bottom: 1px solid var(--c-white-faint);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.nav__brand svg { height: 44px; width: auto; }
.nav__brand-text {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.22em;
  color: var(--c-white);
}
.nav__brand-text small {
  display: block;
  font-family: var(--ff-body);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.36em;
  color: var(--c-blue-glow);
  margin-top: 2px;
}
.nav__menu {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__menu a {
  color: var(--c-white-dim);
  font-size: 0.88rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
  padding: 6px 0;
}
.nav__menu a.is-active,
.nav__menu a:hover { color: var(--c-white); }
.nav__menu a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--c-blue);
}
.nav__cta {
  display: inline-flex;
}
.nav__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--c-white-faint);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--c-white);
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--c-blue);
  color: var(--c-white);
  box-shadow: 0 14px 30px -12px rgba(47,128,237,0.6);
}
.btn--primary:hover {
  background: var(--c-blue-glow);
  color: var(--c-bg-deep);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--c-white);
  border-color: var(--c-white-faint);
}
.btn--ghost:hover {
  border-color: var(--c-blue-glow);
  color: var(--c-blue-glow);
}
.btn__arrow {
  display: inline-block;
  transition: transform var(--transition);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(80px, 12vw, 160px) 0 clamp(60px, 8vw, 110px);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -10% 30% auto auto;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(86,204,242,0.22), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero__title {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  margin-bottom: 0.4em;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--c-blue-glow), var(--c-white));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 2em;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__visual {
  position: relative;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__visual::after {
  content: '';
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid var(--c-white-faint);
  animation: rotate 30s linear infinite;
}
.hero__visual::before {
  content: '';
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  border: 1px dashed rgba(86,204,242,0.18);
  animation: rotate 50s linear infinite reverse;
}
.hero__visual svg {
  width: 70%;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(86,204,242,0.35));
}
@keyframes rotate { to { transform: rotate(360deg); } }

.hero__stats {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--c-white-faint);
}
.stat__num {
  font-family: var(--ff-display);
  font-size: 2.2rem;
  color: var(--c-white);
  letter-spacing: 0.04em;
}
.stat__label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--c-white-dim);
  margin-top: 6px;
}

/* ---------- Pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.pillar {
  padding: 32px 28px;
  border: 1px solid var(--c-white-faint);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(20,43,77,0.45), rgba(15,36,64,0.2));
  transition: all var(--transition);
}
.pillar:hover {
  transform: translateY(-4px);
  border-color: rgba(86,204,242,0.4);
  box-shadow: var(--shadow-glow);
}
.pillar__icon {
  width: 44px; height: 44px;
  margin-bottom: 18px;
  color: var(--c-blue-glow);
}
.pillar h3 {
  margin-bottom: 8px;
  font-family: var(--ff-body);
  font-weight: 400;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
  text-transform: uppercase;
}
.pillar p { font-size: 0.95rem; margin: 0; }

/* ---------- Section header ---------- */
.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head--left { text-align: left; margin-left: 0; }
.section-head p { font-size: 1.05rem; }

/* ---------- Cards / Services ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  padding: 36px 32px;
  border: 1px solid var(--c-white-faint);
  border-radius: var(--radius-md);
  background: rgba(15,36,64,0.45);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-blue-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  border-color: rgba(86,204,242,0.35);
  transform: translateY(-4px);
}
.card:hover::before { opacity: 1; }
.card__icon {
  width: 48px; height: 48px;
  color: var(--c-blue-glow);
  margin-bottom: 22px;
}
.card h3 {
  font-family: var(--ff-body);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.card p { font-size: 0.95rem; }
.card__list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  font-size: 0.9rem;
}
.card__list li {
  padding: 6px 0 6px 22px;
  position: relative;
  color: var(--c-white-dim);
  border-bottom: 1px dashed var(--c-white-faint);
}
.card__list li:last-child { border-bottom: none; }
.card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 10px; height: 1px;
  background: var(--c-blue-glow);
}

/* ---------- Process steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border: 1px solid var(--c-white-faint);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.step {
  padding: 36px 30px;
  border-right: 1px solid var(--c-white-faint);
  position: relative;
}
.step:last-child { border-right: none; }
.step__num {
  font-family: var(--ff-display);
  font-size: 2rem;
  color: var(--c-blue);
  display: block;
  margin-bottom: 12px;
}
.step h3 {
  font-family: var(--ff-body);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.step p { font-size: 0.92rem; margin: 0; }

/* ---------- Quote / Manifesto ---------- */
.manifesto {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(60px, 8vw, 100px) 30px;
  border-top: 1px solid var(--c-white-faint);
  border-bottom: 1px solid var(--c-white-faint);
}
.manifesto__text {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--c-white);
  letter-spacing: 0.04em;
  line-height: 1.45;
  margin: 0 0 1em;
}
.manifesto__author {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-blue-glow);
}

/* ---------- Team ---------- */
.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.team__member {
  text-align: center;
  padding: 30px 24px;
  border: 1px solid var(--c-white-faint);
  border-radius: var(--radius-md);
  background: rgba(15,36,64,0.4);
}
.team__avatar {
  width: 120px; height: 120px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 1px solid var(--c-white-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-display);
  font-size: 2rem;
  color: var(--c-blue-glow);
  background: linear-gradient(135deg, rgba(47,128,237,0.18), rgba(86,204,242,0.06));
}
.team__name {
  font-family: var(--ff-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  margin: 0 0 4px;
}
.team__role {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-blue-glow);
  margin-bottom: 12px;
}
.team__bio { font-size: 0.88rem; margin: 0; }

/* ---------- Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}
.contact-info { font-size: 0.95rem; }
.contact-info__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--c-white-faint);
}
.contact-info__item:last-child { border-bottom: none; }
.contact-info__label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-blue-glow);
  margin-bottom: 6px;
}
.contact-info__value { color: var(--c-white); }

.form {
  background: rgba(15,36,64,0.55);
  border: 1px solid var(--c-white-faint);
  border-radius: var(--radius-md);
  padding: 40px;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}
.form__field { display: flex; flex-direction: column; }
.form__field--full { grid-column: 1 / -1; }
.form__label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-blue-glow);
  margin-bottom: 8px;
}
.form input,
.form select,
.form textarea {
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--c-white);
  background: rgba(10,26,47,0.7);
  border: 1px solid var(--c-white-faint);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color var(--transition);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--c-blue-glow);
  box-shadow: 0 0 0 3px rgba(86,204,242,0.12);
}
.form textarea { resize: vertical; min-height: 120px; }
.form__submit { margin-top: 8px; }
.form__notice {
  font-size: 0.78rem;
  color: var(--c-white-dim);
  margin-top: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-white-faint);
  padding: 60px 0 30px;
  background: linear-gradient(180deg, transparent, rgba(15,36,64,0.4));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer__brand svg { height: 56px; margin-bottom: 16px; }
.footer__tagline { font-size: 0.9rem; max-width: 320px; }
.footer__col h4 {
  font-family: var(--ff-body);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-blue-glow);
  margin: 0 0 16px;
}
.footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer__col li { margin-bottom: 10px; }
.footer__col a {
  color: var(--c-white-dim);
  font-size: 0.9rem;
}
.footer__col a:hover { color: var(--c-white); }
.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--c-white-faint);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--c-white-dim);
  letter-spacing: 0.06em;
}

/* ---------- Page banner (subpages) ---------- */
.page-banner {
  padding: clamp(80px, 10vw, 140px) 0 clamp(40px, 5vw, 60px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  inset: auto 20% -50% 20%;
  height: 200px;
  background: radial-gradient(ellipse, rgba(47,128,237,0.18), transparent 70%);
}
.page-banner h1 { margin-bottom: 16px; }
.page-banner p { max-width: 640px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms ease, transform 800ms cubic-bezier(.2,.7,.3,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 380px; margin: 0 auto; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .step { border-right: none; border-bottom: 1px solid var(--c-white-faint); }
  .step:last-child { border-bottom: none; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav__menu, .nav__cta { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav.is-open .nav__menu {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--c-bg-elev);
    border-bottom: 1px solid var(--c-white-faint);
    padding: 16px 28px;
  }
  .nav.is-open .nav__menu li { padding: 10px 0; border-bottom: 1px solid var(--c-white-faint); }
  .nav.is-open .nav__menu li:last-child { border-bottom: none; }
  .form { padding: 28px 22px; }
  .form__row { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav__brand-text { font-size: 1rem; letter-spacing: 0.18em; }
}