/* ============================================================
   GONZAGA PORTFOLIO COMPETITION
   Shared Stylesheet — mobile-first
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  --navy:       #041E42;
  --navy-mid:   #0A3270;
  --red:        #DC1E33;
  --red-dk:     #B8172B;
  --cream:      #F8F7F3;
  --gray-50:    #F0EFEB;
  --gray-100:   #E4E3DE;
  --gray-300:   #B2B0A8;
  --gray-600:   #6A6860;
  --gray-800:   #2A2825;
  --text:       #1C1A17;
  --white:      #FFFFFF;

  --font:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:       'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  --container:        1100px;
  --container-narrow: 700px;
  --nav-h:            60px;

  --ease: 0.16s ease;

  --shadow-sm: 0 1px 3px rgba(4,30,66,0.08);
  --shadow-md: 0 4px 14px rgba(4,30,66,0.10);
  --shadow-lg: 0 8px 28px rgba(4,30,66,0.14);

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--red-dk); }
ul, ol { padding-left: 1.4em; }
li { margin-bottom: .35em; }
strong { font-weight: 600; }
::selection { background: rgba(220,30,51,.15); }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); letter-spacing: -.01em; }
h4 { font-size: 1rem; letter-spacing: 0; }
p { max-width: 68ch; }
p + p { margin-top: .85em; }

/* Section label — small uppercase above a heading */
.section-label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: .6rem;
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section {
  padding-block: 4.5rem;
}
.section--cream { background: var(--cream); }
.section--navy  { background: var(--navy); color: var(--white); }
.section--navy h2, .section--navy h3 { color: var(--white); }
.section--navy .section-label { color: rgba(255,255,255,.55); }

.section-header { margin-bottom: 2.5rem; }
.section-header p { margin-top: .75rem; color: var(--gray-600); font-size: 1.05rem; }
.section--navy .section-header p { color: rgba(255,255,255,.65); }

@media (min-width: 768px) { .section { padding-block: 6rem; } }

/* ── Navigation ────────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1.5px solid var(--gray-100);
  height: var(--nav-h);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  color: var(--navy);
}
.nav-logo-mark {
  width: 28px; height: 28px;
  background: var(--navy);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav-logo-mark span {
  color: var(--white);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .03em;
}
.nav-logo-text {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.nav-logo-text small {
  display: block;
  font-size: .68rem;
  font-weight: 400;
  color: var(--gray-600);
  letter-spacing: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  padding: 0;
}
.nav-links li { margin: 0; }
.nav-link {
  display: block;
  padding: .45rem .75rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
}
.nav-link:hover { color: var(--navy); background: var(--gray-50); }
.nav-link[aria-current="page"] {
  color: var(--navy);
  background: var(--gray-50);
  font-weight: 600;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  color: var(--navy);
}
@media (max-width: 600px) {
  .nav-links { display: none; flex-direction: column; gap: 0; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--white); border-bottom: 1.5px solid var(--gray-100); padding: .5rem 1.25rem 1rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .site-nav { position: sticky; }
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  font-family: var(--font);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .01em;
  border-radius: var(--r-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--red); color: var(--white); }
.btn--primary:hover { background: var(--red-dk); color: var(--white); }
.btn--secondary { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--secondary:hover { background: var(--navy); color: var(--white); }
.btn--white { background: var(--white); color: var(--navy); }
.btn--white:hover { background: var(--gray-50); color: var(--navy); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.5); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  color: var(--white);
  padding-block: 5rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(220,30,51,.12) 0%, transparent 65%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 1.25rem;
}
.hero-label::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--red);
  flex-shrink: 0;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 1.25rem;
  max-width: 16ch;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.7);
  max-width: 52ch;
  margin-bottom: 2.25rem;
  line-height: 1.6;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
}
@media (min-width: 768px) {
  .hero { padding-block: 7rem 5.5rem; }
}

/* ── Category Cards ─────────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 540px) { .categories-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .categories-grid { grid-template-columns: repeat(4, 1fr); } }

.category-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  position: relative;
  transition: box-shadow var(--ease), border-color var(--ease), transform var(--ease);
}
.category-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gray-300);
  transform: translateY(-2px);
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  opacity: 0;
  transition: opacity var(--ease);
}
.category-card:hover::before { opacity: 1; }
.card-num {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: .5rem;
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .6rem;
  line-height: 1.3;
}
.card-desc {
  font-size: .88rem;
  color: var(--gray-600);
  line-height: 1.6;
  max-width: none;
}

/* ── Timeline ───────────────────────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 2.25rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: .65rem;
  top: .65rem;
  bottom: 1.5rem;
  width: 2px;
  background: rgba(255,255,255,.2);
}
.timeline-node {
  position: relative;
  padding-left: 1.5rem;
  padding-bottom: 2.25rem;
}
.timeline-node:last-child { padding-bottom: 0; }
.timeline-node::before {
  content: '';
  position: absolute;
  left: -1.6rem;
  top: .35rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--red);
  border: 2px solid rgba(255,255,255,.25);
}
.timeline-node.active::before {
  width: 16px; height: 16px;
  left: -1.72rem;
  top: .25rem;
  background: var(--red);
  border-color: var(--white);
  box-shadow: 0 0 0 3px rgba(220,30,51,.3);
}
.timeline-step {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: .25rem;
}
.timeline-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .35rem;
  letter-spacing: -.01em;
}
.timeline-desc {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  max-width: 44ch;
}

@media (min-width: 768px) {
  .timeline {
    flex-direction: row;
    padding-left: 0;
    padding-top: 2.5rem;
    align-items: flex-start;
    gap: 0;
  }
  .timeline::before {
    top: .65rem;
    left: 0; right: 0;
    bottom: auto;
    width: auto;
    height: 2px;
  }
  .timeline-node {
    flex: 1;
    padding-left: 0;
    padding-bottom: 0;
    padding-top: 1.5rem;
  }
  .timeline-node::before {
    left: 0;
    top: -1.8rem;
  }
  .timeline-node.active::before {
    left: -.125rem;
    top: -1.95rem;
  }
}

/* ── Pedagogy ───────────────────────────────────────────────── */
.pedagogy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 600px) { .pedagogy-grid { grid-template-columns: repeat(2, 1fr); } }

.pedagogy-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.pedagogy-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.pedagogy-body h4 { color: var(--navy); font-size: .95rem; margin-bottom: .3rem; }
.pedagogy-body p  { font-size: .88rem; color: var(--gray-600); max-width: none; }

/* ── CTA Section ────────────────────────────────────────────── */
.cta-section { background: var(--cream); }
.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) { .cta-grid { grid-template-columns: repeat(2, 1fr); } }

.cta-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--r-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow var(--ease);
}
.cta-card:hover { box-shadow: var(--shadow-md); }
.cta-card h3 { font-size: 1.15rem; }
.cta-card p  { font-size: .9rem; color: var(--gray-600); flex: 1; }

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.55);
  padding-block: 2.5rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.footer-brand {
  font-size: .82rem;
  color: rgba(255,255,255,.75);
  line-height: 1.6;
}
.footer-brand strong { color: var(--white); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  list-style: none;
  padding: 0;
}
.footer-links li { margin: 0; }
.footer-links a {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  text-decoration: none;
  transition: color var(--ease);
}
.footer-links a:hover { color: rgba(255,255,255,.85); }
.footer-divider { color: rgba(255,255,255,.15); }
@media (min-width: 640px) {
  .footer-inner { flex-direction: row; justify-content: space-between; align-items: flex-end; }
}

/* ── Callout Boxes ──────────────────────────────────────────── */
.callout {
  border-left: 3px solid var(--navy);
  background: var(--gray-50);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 1rem 1.25rem;
  margin-block: 1.5rem;
  font-size: .9rem;
}
.callout p { max-width: none; margin-top: 0; }
.callout-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: .4rem;
}
.callout--tip  { border-color: var(--red); }
.callout--tip .callout-label { color: var(--red); }
.callout--story { border-color: var(--navy-mid); background: rgba(10,50,112,.05); }
.callout--story .callout-label { color: var(--navy-mid); }

/* ── Setup Steps ────────────────────────────────────────────── */
.steps { display: flex; flex-direction: column; gap: 3.5rem; }

.step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.step-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.step-num {
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-size: .85rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step-meta { flex: 1; }
.step-meta h3 { margin-bottom: .15rem; }
.step-time {
  font-size: .75rem;
  color: var(--gray-600);
  font-weight: 500;
}
.step-body { font-size: .95rem; }
.step-body p + p { margin-top: .75rem; }
.step-body ol, .step-body ul { margin-top: .5rem; }
.step-body li { margin-bottom: .5rem; }

/* ── Code Blocks ────────────────────────────────────────────── */
pre {
  background: #0D1117;
  color: #C9D1D9;
  border-radius: var(--r-md);
  padding: 1.1rem 1.25rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.65;
  margin-block: 1rem;
  border: 1px solid rgba(255,255,255,.06);
}
code {
  font-family: var(--mono);
  font-size: .84em;
  background: var(--gray-50);
  color: var(--navy);
  border: 1px solid var(--gray-100);
  padding: .1em .4em;
  border-radius: var(--r-sm);
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.code-comment { color: #8B949E; }
.code-key     { color: #79C0FF; }
.code-val     { color: #A5D6FF; }
.code-string  { color: #A8FF80; }

/* ── Checklist ──────────────────────────────────────────────── */
.checklist {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .9rem;
  margin-bottom: 0;
}
.checklist li::before {
  content: '☐';
  font-size: 1rem;
  color: var(--gray-300);
  flex-shrink: 0;
  line-height: 1.5;
}

/* ── Accordion / FAQ ────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: .75rem; }

details.faq-item {
  border: 1.5px solid var(--gray-100);
  border-radius: var(--r-md);
  background: var(--white);
  overflow: hidden;
  transition: box-shadow var(--ease);
}
details.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--gray-300);
}
summary.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  font-size: .95rem;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--ease);
}
summary.faq-q::-webkit-details-marker { display: none; }
summary.faq-q:hover { background: var(--gray-50); }
details[open] summary.faq-q { background: var(--gray-50); border-bottom: 1.5px solid var(--gray-100); }
.faq-icon {
  width: 1.5rem; height: 1.5rem;
  border-radius: 50%;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  color: var(--gray-600);
  flex-shrink: 0;
  transition: background var(--ease), color var(--ease), transform var(--ease);
}
details[open] .faq-icon {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  transform: rotate(45deg);
}
.faq-a {
  padding: 1.25rem;
  font-size: .92rem;
  color: var(--gray-800);
  line-height: 1.7;
}
.faq-a p + p { margin-top: .75rem; }
.faq-a ul, .faq-a ol { margin-top: .5rem; }
.faq-a li { margin-bottom: .4rem; }

/* ── Page Header ────────────────────────────────────────────── */
.page-hero {
  background: var(--navy);
  padding-block: 3.5rem;
  color: var(--white);
}
.page-hero h1 { color: var(--white); max-width: 20ch; }
.page-hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,.65);
  max-width: 56ch;
  margin-top: .75rem;
  line-height: 1.65;
}

/* ── Opening Frame Box ──────────────────────────────────────── */
.frame-box {
  border: 2px solid var(--navy);
  border-radius: var(--r-lg);
  padding: 2rem;
  margin-bottom: 3.5rem;
  background: var(--white);
  position: relative;
}
.frame-box::before {
  content: 'READ THIS FIRST';
  position: absolute;
  top: -0.65em;
  left: 1.25rem;
  background: var(--white);
  padding-inline: .5rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--navy);
}
.frame-box p {
  font-size: .95rem;
  line-height: 1.75;
  max-width: none;
}
.frame-box p + p { margin-top: .8rem; }

/* ── Utilities ──────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-navy  { color: var(--navy); }
.text-red   { color: var(--red);  }
.text-muted { color: var(--gray-600); }
.mt-sm  { margin-top: .75rem; }
.mt-md  { margin-top: 1.5rem; }
.mt-lg  { margin-top: 2.5rem; }
.mb-0   { margin-bottom: 0; }