/* ═══════════════════════════════════════════
   ESTUDIO BINACIONAL — Global Stylesheet
   ═══════════════════════════════════════════ */

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

:root {
  --blue:       #5BA3D9;
  --blue-light: #7DBCE8;
  --blue-dark:  #3A7FB5;
  --blue-dim:   rgba(91,163,217,0.14);
  --blue-mid:   rgba(91,163,217,0.30);
  --ink:        #080808;
  --ink-soft:   #111113;
  --ink-mid:    #181A1C;
  --ink-card:   #0D0F11;
  --white:      #FFFFFF;
  --off-white:  #F0F4F8;
  --smoke:      #7A8590;
  --smoke-light:#9AAAB8;
  --border:     rgba(91,163,217,0.14);
  --border-mid: rgba(91,163,217,0.25);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--ink);
  color: var(--off-white);
  overflow-x: hidden;
  line-height: 1.6;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ── TYPOGRAPHY ── */
.label {
  font-size: 10px; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--blue);
  font-weight: 400; display: flex; align-items: center; gap: 14px;
}
.label::before {
  content: ''; display: block;
  width: 32px; height: 0.5px; background: var(--blue);
  flex-shrink: 0;
}

.section-title {
  font-size: 42px; line-height: 1.08;
  font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--white);
}
.section-title span { color: var(--blue); font-weight: 300; }
.section-title em   { color: var(--blue); font-style: italic; font-weight: 300; font-family: 'Cormorant Garamond', serif; font-size: 1.05em; text-transform: none; letter-spacing: 0.02em; }

.body-serif {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px; line-height: 1.75;
  color: var(--smoke-light); font-weight: 300;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 500;
  background: var(--blue); color: var(--ink);
  padding: 15px 38px; transition: all 0.25s;
  border: none; white-space: nowrap;
}
.btn-primary:hover { background: var(--blue-light); color: var(--ink); }

.btn-outline {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 500;
  color: var(--blue); border: 0.5px solid var(--blue);
  padding: 15px 38px; transition: all 0.25s;
  background: none; white-space: nowrap;
}
.btn-outline:hover { background: var(--blue); color: var(--ink); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 400;
  color: var(--off-white); background: none; border: none;
  transition: color 0.25s; white-space: nowrap;
}
.btn-ghost:hover { color: var(--blue); }
.btn-ghost .arrow {
  width: 32px; height: 1px; background: currentColor;
  position: relative; transition: width 0.25s; flex-shrink: 0;
}
.btn-ghost:hover .arrow { width: 46px; }
.btn-ghost .arrow::after {
  content: ''; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

/* ── NAVIGATION ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px; height: 76px;
  border-bottom: 0.5px solid var(--border);
  background: rgba(8,8,8,0.95);
  backdrop-filter: blur(16px);
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border-mid); }

.nav-logo { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-top {
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--white);
}
.nav-logo-sub {
  font-size: 9px; font-weight: 300;
  letter-spacing: 0.30em; text-transform: uppercase; color: var(--blue);
  margin-top: 3px;
}

.nav-center { display: flex; gap: 0; }
.nav-link {
  font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 400;
  color: var(--smoke); padding: 0 18px; height: 76px;
  display: flex; align-items: center;
  transition: color 0.25s; position: relative;
  border: none; background: none;
}
.nav-link::after {
  content: ''; position: absolute;
  bottom: 0; left: 18px; right: 18px;
  height: 2px; background: var(--blue);
  transform: scaleX(0); transition: transform 0.3s;
}
.nav-link:hover { color: var(--off-white); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--blue); }

/* DROPDOWN */
.nav-item { position: relative; }
.nav-dropdown {
  position: absolute; top: 76px; left: 0;
  min-width: 240px;
  background: rgba(10,10,12,0.98);
  border: 0.5px solid var(--border-mid);
  border-top: 2px solid var(--blue);
  opacity: 0; pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s;
}
.nav-item:hover .nav-dropdown {
  opacity: 1; pointer-events: all; transform: translateY(0);
}
.nav-dropdown a {
  display: block; padding: 14px 20px;
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 400;
  color: var(--smoke); border-bottom: 0.5px solid var(--border);
  transition: color 0.2s, background 0.2s;
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover { color: var(--blue); background: var(--blue-dim); }

.nav-cta {
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 500;
  color: var(--blue); border: 0.5px solid var(--blue);
  padding: 10px 22px; transition: all 0.25s;
}
.nav-cta:hover { background: var(--blue); color: var(--ink); }

/* MOBILE HAMBURGER */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 24px; height: 1px;
  background: var(--off-white); transition: all 0.3s;
}

/* MOBILE MENU */
.nav-mobile {
  position: fixed; inset: 0; z-index: 190;
  background: var(--ink);
  display: flex; flex-direction: column;
  padding: 100px 32px 48px;
  transform: translateX(100%);
  transition: transform 0.35s ease;
}
.nav-mobile.open { transform: translateX(0); }
.nav-mobile a {
  font-size: 22px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--white); padding: 18px 0;
  border-bottom: 0.5px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--blue); }
.nav-mobile .mobile-sub {
  font-size: 11px; letter-spacing: 0.16em;
  color: var(--blue); margin-top: 32px; font-weight: 400;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 160px 64px 100px;
  position: relative; overflow: hidden;
  border-bottom: 0.5px solid var(--border);
}
.page-hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #0a0d10 0%, #080808 60%, #0c1015 100%);
}
.page-hero-glow {
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(91,163,217,0.06) 0%, transparent 65%);
}
.page-hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image:
    repeating-linear-gradient(0deg, var(--blue) 0px, var(--blue) 1px, transparent 1px, transparent 80px),
    repeating-linear-gradient(90deg, var(--blue) 0px, var(--blue) 1px, transparent 1px, transparent 80px);
}
.page-hero-content { position: relative; z-index: 2; max-width: 760px; }
.page-hero-eyebrow { margin-bottom: 28px; }
.page-hero h1 {
  font-size: 60px; line-height: 1.04; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--white); margin-bottom: 12px;
}
.page-hero h1 span { color: var(--blue); font-weight: 300; }
.page-hero-sub {
  font-size: 13px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--blue);
  font-weight: 300; margin-bottom: 28px;
}
.page-hero p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px; line-height: 1.7;
  color: var(--smoke-light); font-weight: 300;
  max-width: 580px; margin-top: 24px;
}

/* ── SECTION WRAPPER ── */
.section { padding: 100px 64px; }
.section-sm { padding: 72px 64px; }
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 64px;
}
.section-header-left { display: flex; flex-direction: column; gap: 16px; }

/* ── CARDS ── */
.card {
  background: var(--ink-card);
  border: 0.5px solid var(--border);
  transition: border-color 0.3s, background 0.3s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--blue);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.card:hover { border-color: var(--border-mid); background: var(--ink-soft); }
.card:hover::before { transform: scaleX(1); }

/* ── GRID SYSTEMS ── */
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); border: 0.5px solid var(--border); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--border); }
.grid-2-wide { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }

/* ── TICKER ── */
.ticker {
  background: var(--ink-soft); overflow: hidden; padding: 13px 0;
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}
.ticker-track {
  display: flex; animation: ticker-scroll 42s linear infinite;
  width: max-content;
}
.ticker-item {
  font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--smoke);
  padding: 0 44px;
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap; font-weight: 400;
}
.ticker-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--blue); flex-shrink: 0; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── TAG / BADGE ── */
.tag {
  font-size: 9px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--blue); font-weight: 500;
  padding: 5px 12px; border: 0.5px solid rgba(91,163,217,0.32);
  display: inline-block;
}

/* ── DIVIDERS ── */
.hr { height: 0.5px; background: var(--border); border: none; margin: 0; }
.hr-blue { height: 0.5px; background: var(--border-mid); border: none; }

/* ── FOOTER ── */
.footer {
  background: #050505;
  border-top: 0.5px solid var(--border);
  padding: 64px 64px 36px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px; padding-bottom: 48px;
  border-bottom: 0.5px solid var(--border); margin-bottom: 32px;
}
.footer-brand-top {
  font-size: 16px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--white);
}
.footer-brand-sub {
  font-size: 9px; font-weight: 300;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--blue);
  margin-top: 3px; margin-bottom: 18px;
}
.footer-desc {
  font-size: 13px; line-height: 1.75;
  color: var(--smoke); font-weight: 300; max-width: 300px;
}
.footer-col-title {
  font-size: 9px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--blue);
  font-weight: 500; margin-bottom: 18px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 12px; color: var(--smoke);
  font-weight: 300; letter-spacing: 0.04em; transition: color 0.2s;
}
.footer-links a:hover { color: var(--off-white); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 11px; color: #3a3c3e; letter-spacing: 0.06em; }
.footer-copy span { color: var(--smoke); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 10px; color: #3a3c3e; letter-spacing: 0.06em; transition: color 0.2s; }
.footer-legal a:hover { color: var(--smoke); }

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--smoke);
  font-weight: 400; margin-bottom: 32px;
}
.breadcrumb a { color: var(--smoke); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--blue); }
.breadcrumb-sep { color: rgba(91,163,217,0.4); font-size: 12px; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .nav-center { display: none; }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
  .nav { padding: 0 28px; }
  .page-hero { padding: 130px 28px 72px; }
  .page-hero h1 { font-size: 40px; }
  .section, .section-sm { padding: 72px 28px; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2-wide { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .section-title { font-size: 32px; }
  .footer { padding: 48px 28px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 30px; }
  .section-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}