/* ==========================================================================
   Tracy Dunstan — hoja de estilos principal
   Editorial · minimalista · The Economist + Not Boring + McKinsey, con
   personalidad chilena.
   ========================================================================== */

:root {
  --color-bg: #fafaf8;
  --color-white: #ffffff;
  --color-sand: #e9e3da;
  --color-text: #1f2328;
  --color-text-muted: #6b7280;
  --color-accent: #1f5b57;
  --color-accent-dark: #163f3c;
  --color-border: #e2ddd2;

  --font-serif: "Cormorant Garamond", "Georgia", serif;
  --font-sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1160px;
  --max-width-narrow: 720px;
  --radius: 2px;
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.1px;
  margin: 0 0 0.5em;
  color: var(--color-text);
}

h1 { font-weight: 500; }

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 14px;
}

/* -------------------- Header -------------------- */

.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.2px;
  display: flex;
  align-items: center;
}

.site-logo span {
  color: var(--color-accent);
}

.site-logo img {
  height: 34px;
  width: auto;
  display: block;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--color-text);
}

/* -------------------- Hero -------------------- */

.hero {
  padding: 120px 0 100px;
  text-align: center;
}

.hero .eyebrow {
  display: block;
}

.hero h1 {
  font-size: 3.4rem;
  max-width: 880px;
  margin: 0 auto 28px;
  font-style: italic;
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* -------------------- Buttons -------------------- */

.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-text);
  color: var(--color-text);
}

.btn-outline:hover {
  background: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-white);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  color: var(--color-white);
}

/* -------------------- Sections -------------------- */

section {
  padding: 88px 0;
}

.section-alt {
  background: var(--color-sand);
}

.section-dark {
  background: var(--color-text);
  color: rgba(250, 250, 248, 0.85);
}

.section-dark h2 {
  color: var(--color-white);
}

.section-header {
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header.center {
  text-align: center;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}

.section-header-row .eyebrow {
  margin-bottom: 8px;
}

.section-header-row h2 {
  margin: 0;
}

/* -------------------- Editorial placeholder art -------------------- */

.art-block {
  background: var(--color-sand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.art-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 91, 87, 0.14) 0%, rgba(31, 91, 87, 0) 60%);
}

.art-block span {
  position: relative;
  z-index: 1;
  padding: 0 24px;
}

/* -------------------- Column / article cards -------------------- */

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.post-card {
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: 36px 32px;
  transition: background var(--transition);
}

.post-card:hover {
  background: var(--color-white);
}

.post-card__category {
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.post-card__title {
  font-size: 1.4rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.post-card__title a {
  color: var(--color-text);
}

.post-card__excerpt {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.post-card__meta {
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.post-card__link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

/* -------------------- Filter tabs -------------------- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-tab {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 9px 20px;
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* -------------------- Featured post -------------------- */

.featured-post {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.featured-post__image {
  height: 100%;
  min-height: 360px;
}

/* -------------------- La mirada de Tracy -------------------- */

.mirada-box {
  background: var(--color-text);
  color: rgba(250, 250, 248, 0.9);
  padding: 40px 44px;
  margin-top: 48px;
  border-left: 3px solid var(--color-accent);
}

.mirada-box .eyebrow {
  color: #7fb3ae;
}

.mirada-box p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--color-white);
  margin: 0;
}

/* -------------------- Radar -------------------- */

.radar-item {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
}

.radar-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.radar-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding-top: 4px;
}

.radar-headline {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.radar-block {
  margin-top: 14px;
}

.radar-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  display: block;
  margin-bottom: 4px;
}

.radar-block p {
  margin: 0 0 14px;
  color: var(--color-text-muted);
}

/* -------------------- Informes -------------------- */

.report-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.report-card__type {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
}

.report-card__title {
  font-size: 1.3rem;
  margin: 0;
}

.report-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.notice-banner {
  background: var(--color-sand);
  border-left: 3px solid var(--color-accent);
  padding: 24px 28px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 48px;
}

.notice-banner strong {
  color: var(--color-text);
}

/* -------------------- Contact -------------------- */

.contact-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-top: 56px;
}

.contact-link-card {
  background: var(--color-bg);
  padding: 44px 32px;
  text-align: center;
  transition: background var(--transition);
}

.contact-link-card:hover {
  background: var(--color-white);
}

.contact-link-card .label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-accent);
  display: block;
  margin-bottom: 10px;
}

.contact-link-card .value {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
}

/* -------------------- About / Sobre Tracy page -------------------- */

.about-hero {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: center;
}

.about-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(20%) contrast(1.05) saturate(0.9);
}

.about-story p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

.about-story p:first-of-type {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.4;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.value-card {
  padding: 32px;
  background: var(--color-white);
}

.value-card h3 {
  font-size: 1.15rem;
}

.value-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* -------------------- Post (article) page -------------------- */

.post-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.post-header .post-card__category {
  justify-content: center;
}

.post-header h1 {
  font-size: 2.6rem;
}

.post-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  font-size: 1.08rem;
}

.post-content h2 {
  margin-top: 1.6em;
  font-size: 1.7rem;
}

.post-content blockquote {
  border-left: 3px solid var(--color-accent);
  margin: 28px 0;
  padding: 4px 28px;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
}

.tag-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.tag {
  background: var(--color-sand);
  color: var(--color-text);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* -------------------- Footer -------------------- */

.site-footer {
  background: var(--color-text);
  color: rgba(250, 250, 248, 0.6);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(250, 250, 248, 0.12);
}

.footer-grid .site-logo {
  color: var(--color-white);
}

.footer-grid h4 {
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li {
  margin-bottom: 10px;
}

.footer-grid a {
  color: rgba(250, 250, 248, 0.6);
  font-size: 0.9rem;
}

.footer-grid a:hover {
  color: #7fb3ae;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
}

/* -------------------- Responsive -------------------- */

@media (max-width: 860px) {
  .featured-post,
  .about-hero,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .about-photo {
    max-width: 320px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

  .radar-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }

  .main-nav.is-open {
    max-height: 400px;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 32px 20px;
  }

  .main-nav li {
    border-top: 1px solid var(--color-border);
  }

  .main-nav a {
    display: block;
    padding: 14px 0;
  }

  .site-header .container {
    position: relative;
  }
}

@media (max-width: 720px) {
  .hero {
    padding: 72px 0 56px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  section {
    padding: 64px 0;
  }
}