/* =============================================================================
   BALARTRE.COM — STYLES
   Sistema visual: IBM Plex Sans + Serif, paleta institucional brochure.
   ============================================================================= */

:root {
  --color-black:        #0A0A0A;
  --color-white:        #FFFFFF;
  --color-bg-light:     #F5F5F5;
  --color-grey-mid:     #6B6B6B;
  --color-grey-dk:      #2A2A2A;
  --color-grey-rule:    #E5E5E5;
  --color-champagne:    #B8956A;
  --font-sans:  'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'IBM Plex Serif', Georgia, serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
  background: var(--color-white);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.container--narrow { max-width: 720px; }

/* =====================================================================
   WORDMARK (componente reutilizable, mismo del brochure)
   ===================================================================== */
.wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: stretch;
  width: fit-content;
  font-family: var(--font-sans);
  color: var(--color-black);
  line-height: 1;
}
.wordmark__first {
  font-weight: 300; text-transform: uppercase; letter-spacing: 0.4em;
  padding-right: 0.4em; font-size: 12px; margin-bottom: 6px;
}
.wordmark__main {
  font-weight: 700; text-transform: uppercase; letter-spacing: -0.015em;
  font-size: 38px;
}
.wordmark__rule {
  height: 1px; background: var(--color-champagne); border: none; margin: 8px 0 6px; width: 100%;
}
.wordmark__tagline {
  font-weight: 200; text-transform: uppercase; letter-spacing: 0.3em;
  color: var(--color-grey-mid); font-size: 7.5px; padding-right: 0.3em; white-space: nowrap;
}
.wordmark--small .wordmark__first { font-size: 9px; margin-bottom: 4px; }
.wordmark--small .wordmark__main { font-size: 24px; }
.wordmark--small .wordmark__rule { margin: 5px 0 4px; }
.wordmark--small .wordmark__tagline { font-size: 6px; }

/* =====================================================================
   HERO
   ===================================================================== */
.nav {
  position: sticky; top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-grey-rule);
  z-index: 100;
}
.nav__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 32px;
}

.hero {
  background: var(--color-white);
}
.hero__content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 100px 32px 80px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--color-champagne); font-weight: 500;
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin: 0 0 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero__title em {
  font-style: italic;
  font-weight: 400;
}
.hero__subtitle {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  font-size: 22px;
  color: var(--color-grey-dk);
  line-height: 1.4;
  max-width: 600px;
  margin: 0 auto 40px;
}
.hero__rule {
  width: 80px; height: 1px; background: var(--color-champagne);
  margin: 0 auto;
}

/* =====================================================================
   ABOUT
   ===================================================================== */
.about {
  background: var(--color-bg-light);
  padding: 100px 0;
}
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}
.section-label {
  display: inline-block;
  font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--color-grey-mid); font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-champagne);
  margin-bottom: 20px;
}
.section-label--champagne { color: var(--color-champagne); }
.about__lead {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.5;
  color: var(--color-black);
  margin: 0 0 28px;
}
.about__list {
  list-style: none; padding: 0; margin: 0;
}
.about__list li {
  position: relative;
  padding-left: 22px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-grey-rule);
  font-size: 14px; line-height: 1.6;
  color: var(--color-grey-dk);
}
.about__list li:last-child { border-bottom: none; }
.about__list li::before {
  content: '';
  position: absolute; left: 0; top: 11px;
  width: 12px; height: 1px; background: var(--color-champagne);
}
.about__list strong {
  display: inline-block;
  min-width: 120px;
  font-weight: 600;
  color: var(--color-black);
}
.about__quote {
  background: var(--color-black);
  color: var(--color-white);
  padding: 48px 40px;
  position: relative;
}
.about__quote blockquote {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: 19px;
  line-height: 1.5;
  margin: 0 0 20px;
  color: var(--color-white);
}
.about__quote cite {
  font-style: normal;
  font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--color-champagne); font-weight: 500;
}

/* =====================================================================
   SUBSCRIBE
   ===================================================================== */
.subscribe {
  background: var(--color-white);
  padding: 100px 0;
  text-align: center;
}
.subscribe__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 44px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--color-black);
  margin: 0 0 16px;
}
.subscribe__subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--color-grey-dk);
  margin: 0 auto 40px;
  max-width: 520px;
}

.subscribe__form {
  max-width: 600px;
  margin: 0 auto;
}
.subscribe__row {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 0;
  border: 1px solid var(--color-black);
}
.subscribe__row input {
  border: none;
  border-right: 1px solid var(--color-grey-rule);
  padding: 18px 20px;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-black);
  background: transparent;
  outline: none;
}
.subscribe__row input::placeholder { color: var(--color-grey-mid); }
.subscribe__row input:focus { background: var(--color-bg-light); }
.subscribe__row input[type="email"] { border-right: 1px solid var(--color-grey-rule); }
.subscribe__row input:last-of-type { border-right: 1px solid var(--color-grey-rule); }
.btn {
  background: var(--color-black);
  color: var(--color-white);
  border: none;
  padding: 0 32px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover:not(:disabled) { background: var(--color-champagne); }
.btn:disabled { opacity: 0.6; cursor: wait; }

.subscribe__message {
  margin: 18px 0 0;
  font-size: 14px;
  min-height: 22px;
}
.subscribe__message.success { color: #2A6F2A; }
.subscribe__message.error { color: #B73030; }
.subscribe__disclaimer {
  margin: 24px 0 0;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--color-grey-mid);
}

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 70px 0 32px;
}
.footer .wordmark { color: var(--color-white); }
.footer .wordmark__tagline { color: rgba(255,255,255,0.7); }
.footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.footer__role {
  margin: 22px 0 4px;
  font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--color-champagne); font-weight: 500;
}
.footer__descriptor {
  margin: 0;
  font-size: 12px; color: rgba(255,255,255,0.85);
}
.footer__details {
  font-size: 13px;
}
.footer__line {
  margin: 0 0 10px;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  letter-spacing: 0.02em;
}
.footer__line span {
  color: var(--color-champagne);
  font-size: 9px; letter-spacing: 0.25em; text-transform: uppercase;
  font-weight: 500;
  padding-top: 3px;
}
.footer__line a { color: rgba(255,255,255,0.9); border-bottom: 1px solid rgba(184,149,106,0.3); }
.footer__line a:hover { border-bottom-color: var(--color-champagne); }
.footer__legal {
  padding-top: 24px;
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  text-align: center;
  letter-spacing: 0.05em;
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 768px) {
  .hero__content { padding: 60px 24px 50px; }
  .hero__title { font-size: 38px; }
  .hero__subtitle { font-size: 17px; }

  .about { padding: 60px 0; }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__lead { font-size: 18px; }

  .subscribe { padding: 60px 0; }
  .subscribe__title { font-size: 30px; }
  .subscribe__subtitle { font-size: 15px; }
  .subscribe__row { grid-template-columns: 1fr; }
  .subscribe__row input { border-right: none !important; border-bottom: 1px solid var(--color-grey-rule); }
  .btn { padding: 18px; }

  .footer { padding: 40px 0 24px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__line { grid-template-columns: 60px 1fr; gap: 8px; }

  .container { padding: 0 24px; }
}