/* ═══════════════════════════════════════════════════════
   REDOMO — Shared Stylesheet
   redomo.css — nav, footer, variables, base typography
═══════════════════════════════════════════════════════ */

/* ── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── VARIABLES ─────────────────────────────────────────── */
:root {
  --black:    #000000;
  --deep:     #080808;
  --carbon:   #1A1A1A;
  --ice:      #F0F0F0;
  --white:    #FFFFFF;
  --border:   rgba(255,255,255,0.08);
  --border-h: rgba(255,255,255,0.20);
  --text-sec: rgba(255,255,255,0.50);
  --text-ter: rgba(255,255,255,0.28);
  --label:    rgba(255,255,255,0.38);
  --nav-h:    64px;
}

/* ── BASE ──────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  background: var(--deep);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── TYPOGRAPHY ────────────────────────────────────────── */
.label-text {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--label);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;   /* brandbook: 300 Light para títulos H1 */
  line-height: 1.1;
  letter-spacing: -1.5px;
}

/* ── GRAIN ─────────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: -200%;
  width: 500%; height: 500%;
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='250' height='250'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='250' height='250' filter='url(%23n)'/></svg>");
  opacity: 0.03;
  pointer-events: none;
  z-index: 997;
  animation: grain 0.35s steps(1) infinite;
}
@keyframes grain {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(-4%,-5%); }
  40%  { transform: translate(-7%,4%); }
  60%  { transform: translate(4%,-3%); }
  80%  { transform: translate(-3%,6%); }
  100% { transform: translate(5%,-4%); }
}
@media (prefers-reduced-motion: reduce) { .grain { display: none; } }

/* ── BUTTONS ───────────────────────────────────────────── */
.btn-primary {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem; font-weight: 500;
  color: var(--black); background: var(--white);
  border: 1px solid var(--white); border-radius: 6px;
  padding: 0.85rem 2rem; text-decoration: none;
  display: inline-block; position: relative; overflow: hidden;
  transition: background 0.2s ease, transform 0.3s cubic-bezier(0.22,1,0.36,1);
}
.btn-primary::after {
  content: ''; position: absolute;
  top: 0; left: -80%; width: 55%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.09), transparent);
  transform: skewX(-20deg);
}
.btn-primary:hover { background: var(--ice); transform: translateY(-3px); }
.btn-primary:hover::after { animation: shimmer 0.6s ease forwards; }

.btn-secondary {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem; font-weight: 400;
  color: var(--white); background: transparent;
  border: 1px solid var(--border-h); border-radius: 6px;
  padding: 0.85rem 2rem; text-decoration: none; display: inline-block;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.3s cubic-bezier(0.22,1,0.36,1);
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.42);
  background: rgba(255,255,255,0.04);
  transform: translateY(-3px);
}

@keyframes shimmer { to { left: 160%; } }

/* ── NAV ───────────────────────────────────────────────── */
nav#mainNav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: var(--nav-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.45s ease, border-color 0.45s ease, backdrop-filter 0.45s ease;
}
nav#mainNav.scrolled {
  background: rgba(8,8,8,0.88);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom-color: var(--border);
}
nav#mainNav.solid {
  background: rgba(8,8,8,0.98);
  border-bottom-color: var(--border);
}

.nav-logo {
  display: flex; align-items: center;
  text-decoration: none;
  transition: transform 0.35s cubic-bezier(0.22,1,0.36,1), opacity 0.2s;
}
.nav-logo:hover { transform: scale(1.04); opacity: 0.88; }
.nav-logo img { height: 34px; width: auto; display: block; }

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.85rem; font-weight: 400;
  color: var(--text-sec); text-decoration: none;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.5px;
  color: var(--white); background: transparent;
  border: 1px solid var(--border-h); border-radius: 6px;
  padding: 0.55rem 1.3rem; text-decoration: none; white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.nav-cta:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.35); }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px; cursor: pointer;
}
.nav-burger span {
  display: block; width: 22px; height: 1px; background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(8,8,8,0.97); backdrop-filter: blur(20px);
  padding: 2rem clamp(1.5rem,5vw,4rem) 2.5rem;
  border-bottom: 1px solid var(--border); z-index: 499;
}
.nav-mobile.open { display: block; }
.nav-mobile ul { list-style: none; }
.nav-mobile ul li { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.nav-mobile ul li:last-child { border-bottom: none; }
.nav-mobile ul a { font-size: 1.1rem; font-weight: 300; color: var(--white); text-decoration: none; }
.nav-mobile .nav-cta { display: inline-block; margin-top: 1.5rem; font-size: 0.9rem; padding: 0.75rem 2rem; }

/* ── FOOTER ────────────────────────────────────────────── */
footer#mainFooter {
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: clamp(3rem,6vw,5rem) clamp(1.5rem,6vw,6rem) clamp(2rem,4vw,3rem);
}
.footer-inner {
  display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: flex-start;
  gap: 2rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-logo { display: block; text-decoration: none; opacity: 0.65; transition: opacity 0.25s; }
.footer-logo:hover { opacity: 1; }
.footer-logo img { height: 40px; width: auto; }
.footer-tagline { font-size: 0.75rem; color: var(--text-ter); letter-spacing: 0.5px; }

.footer-links { display: flex; gap: 3rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.85rem; }
.footer-col-title { font-size: 0.65rem; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--label); margin-bottom: 0.25rem; }
.footer-col a { font-size: 0.85rem; color: var(--text-sec); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-size: 0.7rem; color: rgba(255,255,255,0.2); }

/* ── SCROLL REVEAL ─────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(48px) scale(0.985);
  transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1),
              transform 0.9s cubic-bezier(0.22,1,0.36,1);
  will-change: transform, opacity;
}
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); }
.reveal-d1 { transition-delay: 0.07s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.25s; }
.reveal-d4 { transition-delay: 0.34s; }

.reveal-up {
  opacity: 0; transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.22,1,0.36,1),
              transform 1s cubic-bezier(0.22,1,0.36,1);
}
.reveal-up.visible { opacity: 1; transform: translateY(0); }

/* ── SHARED NAV JS INIT ────────────────────────────────── */
/* (handled per-page in <script>) */

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .footer-links { gap: 2rem; }
}
@media (max-width: 600px) {
  .footer-links { flex-direction: column; gap: 1.5rem; }
  .footer-inner { flex-direction: column; }
}

/* ── WHATSAPP FLOAT ────────────────────────────────────── */
.wa-float {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 990;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1), box-shadow 0.3s;
  text-decoration: none;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ── REDUCED MOTION ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-up { opacity: 1 !important; transform: none !important; }
}