/* ============================================
   SISTEMA DE DESBLOQUEO METABÓLICO 35+
   Design System — Mario Velásquez
   ============================================ */

:root {
  --cream: #F5EDD8;
  --cream-soft: #FAF4E1;
  --cream-deep: #EDE1C2;
  --apricot: #F2C9A0;
  --apricot-deep: #E8B489;
  --apricot-dark: #D9925E;
  --forest: #2F5233;
  --forest-deep: #1F3A24;
  --forest-soft: #446848;
  --ink: #1A1A1A;
  --ink-soft: #3A3A3A;
  --muted: #6B6B66;
  --line: rgba(26,26,26,0.12);
  --line-strong: rgba(26,26,26,0.22);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 24px;
  --r-pill: 999px;
  --shadow-soft: 0 10px 40px -18px rgba(47,82,51,0.35);
  --shadow-card: 0 24px 60px -30px rgba(26,26,26,0.35);

  --serif: "Fraunces", "Playfair Display", Georgia, serif;
  --serif-display: "DM Serif Display", "Fraunces", Georgia, serif;
  --sans: "Instrument Sans", "Inter", -apple-system, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ==== TIPOGRAFÍA ==== */
.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--forest);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--forest);
}
.eyebrow.plain::before { display: none; }
.eyebrow-apricot { color: var(--apricot); }
.eyebrow-apricot::before { background: var(--apricot); }

.display {
  font-family: var(--serif-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-style: normal;
}
.display em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--apricot-dark);
}

h1.display { font-size: clamp(56px, 9vw, 148px); }
h2.display { font-size: clamp(44px, 6.5vw, 104px); }
h3.display { font-size: clamp(28px, 3.2vw, 48px); }

.lead {
  font-family: var(--serif);
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.45;
  color: var(--ink-soft);
  font-weight: 300;
  max-width: 56ch;
}
.lead-on-forest { color: rgba(245,237,216,0.75); }
.lead-on-apricot { color: rgba(31,58,36,0.75); }

.small-cap {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
}

/* ==== LAYOUT ==== */
.container {
  width: min(1440px, 100% - 48px);
  margin-inline: auto;
}
.container-narrow {
  width: min(1080px, 100% - 48px);
  margin-inline: auto;
}
section { position: relative; }

/* ==== BOTONES ==== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 28px;
  border-radius: var(--r-pill);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), background .3s, color .3s, box-shadow .3s;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn-nav { padding: 12px 20px; font-size: 14px; }
.btn-primary {
  background: var(--forest);
  color: var(--cream);
}
.btn-primary:hover { background: var(--forest-deep); box-shadow: var(--shadow-soft); }
.btn-apricot {
  background: var(--apricot-dark);
  color: var(--cream);
}
.btn-apricot:hover { background: #C57F4B; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.btn .arrow {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--cream); color: var(--forest);
  display: grid; place-items: center;
  transition: transform .4s;
}
.btn-apricot .arrow { background: var(--cream); color: var(--apricot-dark); }
.btn:hover .arrow { transform: translateX(3px) rotate(-45deg); }

/* ==== NAV ==== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background .4s, backdrop-filter .4s, padding .4s;
}
.nav.scrolled {
  background: rgba(245,237,216,0.82);
  backdrop-filter: blur(14px);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif-display);
  font-size: 22px;
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--forest); color: var(--cream);
  display: grid; place-items: center;
  font-family: var(--serif-display);
  font-size: 18px;
}
.nav-links {
  display: flex; gap: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}
.nav-links a { position: relative; transition: color .3s; }
.nav-links a:hover { color: var(--forest); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--forest);
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* ==== REVEAL (intencionalmente desactivado — contenido siempre visible) ==== */
.reveal { opacity: 1; transform: none; }
.reveal.in { opacity: 1; transform: none; }

.word-reveal .w {
  display: inline-block;
  opacity: 0;
  transform: translateY(1.1em) rotate(4deg);
  transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1);
}
.word-reveal.in .w {
  opacity: 1;
  transform: translateY(0) rotate(0);
}

/* ==== MARQUEE ==== */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--cream);
  padding: 22px 0;
}
.marquee-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  width: max-content;
}
.marquee-track span {
  font-family: var(--serif-display);
  font-size: clamp(28px, 3.4vw, 56px);
  color: var(--forest);
  display: inline-flex;
  align-items: center;
  gap: 48px;
}
.marquee-track span::after {
  content: "✺";
  color: var(--apricot-dark);
  font-size: 0.7em;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ==== SCROLL BADGE ==== */
.scroll-indicator {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.scroll-indicator .line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, transparent, var(--forest));
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.3); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ==== SELECTION ==== */
::selection { background: var(--forest); color: var(--cream); }

/* ==== UTILS ==== */
.muted { color: var(--muted); }
.apricot { color: var(--apricot-dark); }
.forest { color: var(--forest); }
.italic-ser { font-family: var(--serif); font-style: italic; font-weight: 300; }