/* ─────────────────────────────────────────────
   The Trail & The Stack — style.css
   ───────────────────────────────────────────── */

/* ─── Variables ─────────────────────────────── */
:root {
  --bg:           #201f1a;
  --bg-surface:   #272620;
  --bg-card:      #242320;
  --bg-elevated:  #2c2b25;

  --text:         #d4c89e;
  --text-bright:  #e4d8b4;
  --text-muted:   #a09880;
  --text-dim:     #7a7565;

  --olive:        #788748;
  --olive-light:  #96a85a;
  --gold:         #a88438;
  --gold-light:   #c0a050;
  --cream:        #e0d4a8;

  --border:       rgba(255,255,255,0.06);
  --border-mid:   rgba(255,255,255,0.09);
  --border-light: rgba(255,255,255,0.13);

  --font-display: 'Oswald', sans-serif;
  --font-serif:   'Playfair Display', serif;
  --font-body:    'Lora', serif;

  --max-w:        1080px;
  --max-w-prose:  680px;
}

/* ─── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { display: block; max-width: 100%; }
a { color: var(--olive-light); text-decoration: none; transition: color 0.18s; }
a:hover { color: var(--gold-light); }

/* ─── Typography ─────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-bright);
}
p { margin-bottom: 1.25rem; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--olive);
}

/* ─── Layout ─────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.75rem;
}
.container--prose {
  max-width: var(--max-w-prose);
  margin: 0 auto;
  padding: 0 1.75rem;
}

/* ─── Nav ────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(32, 31, 26, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}
.site-nav__brand {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream);
}
.site-nav__brand:hover { color: var(--gold-light); }
.site-nav__links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}
.site-nav__links a {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.18s;
}
.site-nav__links a:hover,
.site-nav__links a.active { color: var(--cream); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-muted);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: 0.2s;
}

@media (max-width: 600px) {
  .nav-toggle { display: block; }
  .site-nav__links {
    display: none;
    position: absolute;
    top: 58px;
    left: 0; right: 0;
    background: #272620;
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    list-style: none;
  }
  .site-nav__links.open { display: flex; }
  .site-nav__links li a {
    display: block;
    padding: 0.9rem 1.75rem;
    border-bottom: 1px solid var(--border);
  }
}

/* ─── Hero ───────────────────────────────────── */
.hero {
  padding: 5rem 1.75rem 4.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.hero__bg {
  margin: 0 auto 2rem;
  width: fit-content;
}
.hero__logo {
  width: 320px;
  height: 320px;
  object-fit: contain;
  display: block;
}
.hero__content { }
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--cream);
  line-height: 1;
  margin-bottom: 0;
}
.hero__title-accent { color: var(--olive-light); }
.hero__rule {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  justify-content: center;
  margin: 1.75rem auto;
  max-width: 480px;
}
.hero__rule::before,
.hero__rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-mid);
}
.hero__tagline {
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}
.hero__intro {
  max-width: 520px;
  margin: 0 auto;
  color: var(--text-muted);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.82;
}

/* ─── Sections ───────────────────────────────── */
.section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}
.section:last-child { border-bottom: none; }
.section__header { margin-bottom: 2.5rem; }
.section__title {
  font-size: 1.65rem;
  margin-top: 0.4rem;
}

/* ─── Page Header (inner pages) ──────────────── */
.page-header {
  padding: 3.5rem 0 2.75rem;
  border-bottom: 1px solid var(--border);
}
.page-header__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-top: 0.35rem;
  margin-bottom: 0.75rem;
}
.page-header__desc {
  color: var(--text-muted);
  max-width: 500px;
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ─── Cards ──────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem 2rem 1.75rem;
  transition: border-color 0.2s, background 0.2s;
}
.card:hover {
  border-color: var(--border-mid);
  background: var(--bg-elevated);
}
.card__glyph {
  font-size: 0.85rem;
  color: var(--olive);
  margin-bottom: 1.1rem;
  letter-spacing: 0.1em;
}
.card__eyebrow { margin-bottom: 0.5rem; }
.card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 0.75rem;
}
.card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.72;
  margin-bottom: 1.5rem;
}
.arrow-link {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--olive);
  transition: color 0.18s;
}
.arrow-link:hover { color: var(--gold-light); }

/* ─── Post List ──────────────────────────────── */
.post-list { list-style: none; }
.post-item {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 1.75rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
}
.post-item:first-child { border-top: 1px solid var(--border); }
.post-date {
  font-family: var(--font-display);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
  padding-top: 0.3rem;
  line-height: 1.6;
}
.post-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.45rem;
  line-height: 1.3;
}
.post-title a { color: inherit; }
.post-title a:hover { color: var(--gold-light); }
.post-excerpt {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0.85rem;
}
.post-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.tag {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.12rem 0.5rem;
}

/* ─── Resources ──────────────────────────────── */
.resource-section { margin-bottom: 3.5rem; }
.resource-section:last-child { margin-bottom: 0; }
.resource-section__title {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--olive);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.resource-item {
  padding: 1.25rem 1.25rem 1.1rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 0.18s;
}
.resource-item:hover { border-color: var(--border-mid); }
.resource-item__type {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}
.resource-item__title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.3;
  margin-bottom: 0.25rem;
}
.resource-item__sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ─── About ──────────────────────────────────── */
.about-hero {
  padding: 4rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}
.about-name {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-bottom: 0.3rem;
}
.about-title {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 1.75rem;
}
.about-bio {
  max-width: 580px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.82;
}
.about-bio p { margin-bottom: 1rem; }

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.impact-item {
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.impact-item__num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--olive-light);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.impact-item__label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── Experience ─────────────────────────────── */
.experience-list { list-style: none; }
.experience-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2.25rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
}
.experience-item:first-child { border-top: 1px solid var(--border); }
.experience-period {
  font-family: var(--font-display);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1.6;
  padding-top: 0.25rem;
}
.experience-role {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.2rem;
}
.experience-company {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 0.9rem;
}
.experience-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}
.experience-desc p { margin-bottom: 0.6rem; }

/* ─── Experience Timeline ────────────────────── */
.experience-timeline {
  position: relative;
  list-style: none;
}

/* Continuous vertical spine */
.experience-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--border-mid) 5%,
    var(--border-mid) 95%,
    transparent 100%
  );
  transform: translateX(-0.5px);
  pointer-events: none;
}

.experience-entry {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  grid-template-areas: "logo spine content";
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.experience-entry:first-child { border-top: 1px solid var(--border); }

/* Right variant: flip logo and content */
.experience-entry--right {
  grid-template-areas: "content spine logo";
}

/* Named grid areas */
.experience-entry__logo-zone { grid-area: logo; }
.experience-entry__spine     { grid-area: spine; }
.experience-entry__content   { grid-area: content; }

/* Logo zone alignment */
.experience-entry--left .experience-entry__logo-zone {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-right: 2.75rem;
  padding-top: 0.2rem;
}
.experience-entry--right .experience-entry__logo-zone {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding-left: 2.75rem;
  padding-top: 0.2rem;
}

/* Content alignment */
.experience-entry--left .experience-entry__content {
  padding-left: 2.75rem;
}
.experience-entry--right .experience-entry__content {
  padding-right: 2.75rem;
}

/* Spine column */
.experience-entry__spine {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

/* Diamond node */
.experience-entry__node {
  width: 9px;
  height: 9px;
  background: var(--bg);
  border: 1.5px solid var(--olive);
  transform: rotate(45deg);
  margin-top: 0.3rem;
  flex-shrink: 0;
  transition: background 0.25s, border-color 0.25s;
}
.experience-entry:hover .experience-entry__node {
  background: var(--olive);
}

/* Period label */
.experience-entry__period {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.75rem;
  line-height: 1.7;
}

/* Logo images */
.experience-entry__logo {
  max-height: 52px;
  max-width: 180px;
  width: auto;
  object-fit: contain;
  opacity: 0.55;
  transition: opacity 0.35s ease;
}
.experience-entry:hover .experience-entry__logo { opacity: 0.85; }

/* Zonar — boost brightness so teal shows on dark bg */
.experience-entry__logo--zonar {
  filter: brightness(1.8) saturate(0.9);
  max-height: 52px;
  max-width: 200px;
}

/* ── Scroll-reveal states ── */
.experience-entry__logo-zone,
.experience-entry__content,
.experience-entry__spine {
  opacity: 0;
  transition: opacity 0.65s ease, transform 0.65s ease;
}

/* Initial offsets by direction */
.experience-entry--left  .experience-entry__logo-zone { transform: translateX(-36px); }
.experience-entry--right .experience-entry__logo-zone { transform: translateX(36px); }
.experience-entry--left  .experience-entry__content   { transform: translateX(36px); transition-delay: 0.12s; }
.experience-entry--right .experience-entry__content   { transform: translateX(-36px); transition-delay: 0.12s; }
.experience-entry__spine { transform: translateY(-8px); transition-delay: 0.06s; }

/* Revealed state */
.experience-entry.is-visible .experience-entry__logo-zone,
.experience-entry.is-visible .experience-entry__content,
.experience-entry.is-visible .experience-entry__spine {
  opacity: 1;
  transform: none;
}

/* ── Mobile collapse ── */
@media (max-width: 760px) {
  .experience-timeline::before { display: none; }

  .experience-entry,
  .experience-entry--right {
    grid-template-columns: 1fr;
    grid-template-areas:
      "spine"
      "logo"
      "content";
    gap: 1.25rem;
    padding: 2.5rem 0;
  }

  .experience-entry__spine {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 0.9rem;
  }
  .experience-entry__period { margin-top: 0; text-align: left; }
  .experience-entry__node   { margin-top: 0; }

  .experience-entry--left  .experience-entry__logo-zone,
  .experience-entry--right .experience-entry__logo-zone {
    justify-content: flex-start;
    padding: 0;
  }
  .experience-entry--left  .experience-entry__content,
  .experience-entry--right .experience-entry__content {
    padding: 0;
  }

  /* Remove animation offsets on mobile */
  .experience-entry--left  .experience-entry__logo-zone,
  .experience-entry--right .experience-entry__logo-zone,
  .experience-entry--left  .experience-entry__content,
  .experience-entry--right .experience-entry__content,
  .experience-entry__spine { transform: translateY(16px); }
}

/* ─── Skills ─────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1.25rem;
}
.skill-group__label {
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 0.65rem;
}
.skill-group__items {
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 2;
}

/* ─── Contact ────────────────────────────────── */
.contact-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}
.contact-link {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.18s;
  border-bottom: 1px solid transparent;
}
.contact-link:hover {
  color: var(--cream);
  border-bottom-color: var(--border-mid);
}

/* ─── Article ────────────────────────────────── */
.article-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
}
.article-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-top: 0.6rem;
  margin-bottom: 1.25rem;
  max-width: 680px;
}
.article-meta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.article-meta__date,
.article-meta__item {
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.article-body {
  padding: 3rem 0 5rem;
  font-size: 1.05rem;
  line-height: 1.82;
}
.article-body p { color: var(--text-muted); margin-bottom: 1.4rem; }
.article-body h2 {
  font-size: 1.45rem;
  color: var(--text-bright);
  margin: 2.75rem 0 1rem;
}
.article-body h3 {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin: 2rem 0 0.75rem;
}
.article-body blockquote {
  border-left: 2px solid var(--olive);
  padding: 0.5rem 0 0.5rem 1.75rem;
  margin: 2.25rem 0;
  font-style: italic;
  color: var(--text);
  font-size: 1.08rem;
}
.article-body blockquote p { color: var(--text); }
.article-back {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

/* ─── Footer ─────────────────────────────────── */
.site-footer {
  padding: 2rem 1.75rem;
  border-top: 1px solid var(--border);
}
.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.site-footer__brand {
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.site-footer__copy {
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── Utilities ──────────────────────────────── */
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2.25rem; }
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ─── Responsive ─────────────────────────────── */
@media (max-width: 640px) {
  .hero { padding: 3rem 1.75rem 3rem; }
  .hero__logo { width: 220px; height: 220px; }
  .section { padding: 2.75rem 0; }
  .post-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .post-date { padding-top: 0; }
  .experience-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-links { gap: 1.25rem; }
}