/* ============================================================
   Noah C. Jones — Work Portfolio
   Clean, editorial, corporate-friendly design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg: #fbfaf8;
  --bg-alt: #f3f1ec;
  --ink: #16161a;
  --ink-soft: #4a4a52;
  --ink-faint: #85858c;
  --line: #e3e0d8;
  --accent: #2f4b3c;
  --accent-soft: #e7ede8;
  --accent-bright: #3f6b52;
  --white: #ffffff;
  --radius: 4px;
  --max: 1120px;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #14140f;
    --bg-alt: #1b1b16;
    --ink: #f2f1ea;
    --ink-soft: #c7c5ba;
    --ink-faint: #8d8b80;
    --line: #34332a;
    --accent: #8fc7a6;
    --accent-soft: #202920;
    --accent-bright: #a9dabb;
    --white: #1b1b16;
  }
}
:root[data-theme="dark"]{
  --bg: #14140f;
  --bg-alt: #1b1b16;
  --ink: #f2f1ea;
  --ink-soft: #c7c5ba;
  --ink-faint: #8d8b80;
  --line: #34332a;
  --accent: #8fc7a6;
  --accent-soft: #202920;
  --accent-bright: #a9dabb;
  --white: #1b1b16;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,h4{ font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0; }
p{ margin: 0; }
ul{ margin: 0; padding: 0; list-style: none; }

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

/* ---------- Nav ---------- */
.nav{
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,250,248,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
:root[data-theme="dark"] .nav, @media (prefers-color-scheme: dark){ }
.nav__row{
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px; max-width: var(--max); margin: 0 auto;
}
.nav__logo{ font-family: var(--serif); font-size: 1.05rem; font-weight: 500; letter-spacing: 0.01em; }
.nav__logo span{ color: var(--accent); }
.nav__links{ display: flex; gap: 36px; }
.nav__links a{
  font-size: 0.85rem; letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--ink-soft); transition: color .15s ease;
}
.nav__links a:hover, .nav__links a.active{ color: var(--accent); }
.nav__actions{ display: flex; align-items: center; gap: 14px; }
.nav__cta{
  font-size: 0.8rem; letter-spacing: 0.03em; text-transform: uppercase;
  border: 1px solid var(--ink); padding: 9px 18px; border-radius: var(--radius);
  transition: background .15s ease, color .15s ease;
}
.nav__cta:hover{ background: var(--ink); color: var(--bg); }
.nav__toggle{ display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__toggle span{ display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; }
.nav__mobile{ display: none; }

.theme-toggle{
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line); background: transparent; cursor: pointer;
  color: var(--ink-soft); transition: border-color .15s ease, color .15s ease;
  flex-shrink: 0;
}
.theme-toggle:hover{ border-color: var(--accent); color: var(--accent); }
.theme-toggle svg{ width: 17px; height: 17px; display: block; }
.theme-toggle .icon-sun{ display: none; }
.theme-toggle .icon-moon{ display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun{ display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon{ display: none; }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .theme-toggle .icon-sun{ display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon{ display: none; }
}

@media (max-width: 780px){
  .nav__links, .nav__cta{ display: none; }
  .nav__toggle{ display: block; }
  .nav__mobile{
    display: none; flex-direction: column; gap: 2px;
    border-top: 1px solid var(--line); background: var(--bg);
  }
  .nav__mobile.open{ display: flex; }
  .nav__mobile a{
    padding: 16px 32px; border-bottom: 1px solid var(--line);
    font-size: 0.95rem; color: var(--ink-soft);
  }
}

/* ---------- Hero ---------- */
.hero{ padding: 108px 0 88px; }
.hero__eyebrow{
  font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px; font-weight: 600;
}
.hero__title{
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  max-width: 16ch;
  letter-spacing: -0.01em;
}
.hero__title em{ font-style: italic; color: var(--accent); }
.hero__lede{
  margin-top: 28px; max-width: 58ch;
  font-size: 1.15rem; color: var(--ink-soft); line-height: 1.65;
}
.hero__actions{ display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.btn{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.01em;
  transition: all .15s ease; border: 1px solid transparent;
}
.btn--primary{ background: var(--accent); color: var(--white); }
.btn--primary:hover{ background: var(--accent-bright); }
.btn--ghost{ border-color: var(--ink); color: var(--ink); }
.btn--ghost:hover{ background: var(--ink); color: var(--bg); }

.hero__stats{
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin-top: 76px; padding-top: 40px; border-top: 1px solid var(--line);
}
.stat__num{ font-family: var(--serif); font-size: 2rem; color: var(--accent); }
.stat__label{ font-size: 0.82rem; color: var(--ink-faint); margin-top: 6px; }
@media (max-width: 780px){ .hero__stats{ grid-template-columns: repeat(2,1fr); } }

/* ---------- Section shared ---------- */
.section{ padding: 88px 0; }
.section--alt{ background: var(--bg-alt); }
.section__head{ max-width: 62ch; margin-bottom: 56px; }
.section__eyebrow{
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; font-weight: 600;
}
.section__title{ font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section__sub{ margin-top: 16px; color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- Case study cards (index grid) ---------- */
.grid-cases{ display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 860px){ .grid-cases{ grid-template-columns: 1fr; } }

.case-card{
  display: block; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case-card:hover{ transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(0,0,0,0.25); }
.case-card__media{
  aspect-ratio: 16/10; background: var(--bg-alt); overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.case-card__media img{ width: 100%; height: 100%; object-fit: cover; }
.case-card__body{ padding: 26px 28px 30px; }
.case-card__tag{ font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.case-card__title{ font-size: 1.4rem; margin-top: 10px; }
.case-card__desc{ margin-top: 10px; color: var(--ink-soft); font-size: 0.95rem; }
.case-card__meta{ margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.pill{
  font-size: 0.72rem; letter-spacing: 0.02em; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 20px; padding: 5px 12px;
}

/* ---------- About / approach ---------- */
.approach-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
@media (max-width: 860px){ .approach-grid{ grid-template-columns: 1fr; } }
.approach-item{ border-top: 2px solid var(--accent); padding-top: 22px; }
.approach-item__num{ font-size: 0.8rem; color: var(--ink-faint); }
.approach-item__title{ font-size: 1.2rem; margin-top: 12px; }
.approach-item__body{ margin-top: 12px; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- Skills / marquee-ish list ---------- */
.tag-cloud{ display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud .pill{ font-size: 0.85rem; padding: 8px 16px; }

/* ---------- Footer ---------- */
.footer{ border-top: 1px solid var(--line); padding: 48px 0; }
.footer__row{ display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer__name{ font-family: var(--serif); font-size: 1.05rem; }
.footer__links{ display: flex; gap: 26px; }
.footer__links a{ font-size: 0.85rem; color: var(--ink-soft); }
.footer__links a:hover{ color: var(--accent); }
.footer__note{ font-size: 0.8rem; color: var(--ink-faint); margin-top: 18px; }

/* ---------- Case study detail page ---------- */
.cs-back{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--ink-soft); margin-top: 32px;
}
.cs-back:hover{ color: var(--accent); }
.cs-hero{ padding: 24px 0 56px; }
.cs-hero__eyebrow{ font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-top: 24px; }
.cs-hero__title{ font-size: clamp(2.2rem, 4.4vw, 3.4rem); margin-top: 16px; max-width: 20ch; }
.cs-hero__lede{ margin-top: 22px; max-width: 62ch; font-size: 1.1rem; color: var(--ink-soft); }

.cs-meta{
  margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
@media (max-width: 780px){ .cs-meta{ grid-template-columns: repeat(2,1fr); } }
.cs-meta__label{ font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); }
.cs-meta__value{ margin-top: 8px; font-size: 0.95rem; }

.cs-actions{ display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.cs-media{
  margin-top: 56px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-alt); aspect-ratio: 16/9;
}
.cs-media img{ width: 100%; height: 100%; object-fit: cover; }

.cs-body{ padding: 80px 0; }
.cs-section{ max-width: 74ch; margin: 0 auto 96px; }
.cs-section:last-child{ margin-bottom: 0; }
.cs-section__label{ font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.cs-section__title{ font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 14px; }
.cs-section__body{ margin-top: 22px; color: var(--ink-soft); font-size: 1.03rem; line-height: 1.75; }
.cs-section__body + .cs-section__body{ margin-top: 18px; }
.cs-section__body code{ background: var(--bg-alt); padding: 2px 7px; border-radius: 3px; font-size: 0.9em; }

.cs-pull{
  border-left: 3px solid var(--accent); padding: 4px 0 4px 26px; margin: 32px 0;
  font-family: var(--serif); font-size: 1.25rem; font-style: italic; color: var(--ink);
}

.cs-outcomes{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
@media (max-width: 600px){ .cs-outcomes{ grid-template-columns: 1fr; } }
.cs-outcome{ background: var(--bg-alt); border-radius: var(--radius); padding: 18px 20px; }
.cs-outcome__label{ font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); }
.cs-outcome__value{ margin-top: 8px; font-size: 1rem; }

.cs-next{
  border-top: 1px solid var(--line); padding: 64px 0; background: var(--bg-alt);
}
.cs-next__label{ font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); }
.cs-next__title{ font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 14px; }
.cs-next__link{ display: inline-flex; align-items: center; gap: 10px; margin-top: 20px; color: var(--accent); font-weight: 500; }

/* ---------- Page header (about/contact) ---------- */
.page-hero{ padding: 100px 0 64px; }
.page-hero__eyebrow{ font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.page-hero__title{ font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-top: 18px; max-width: 18ch; }
.page-hero__lede{ margin-top: 22px; max-width: 60ch; font-size: 1.1rem; color: var(--ink-soft); }

.two-col{ display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; }
@media (max-width: 860px){ .two-col{ grid-template-columns: 1fr; } }
.prose p{ color: var(--ink-soft); font-size: 1.02rem; line-height: 1.75; margin-bottom: 18px; }
.prose p:last-child{ margin-bottom: 0; }

.facts{ border-top: 1px solid var(--line); }
.fact{ display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; }
.fact__label{ color: var(--ink-faint); }

/* ---------- Contact ---------- */
.contact-card{
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 44px; max-width: 640px;
}
.contact-row{ display: flex; align-items: center; justify-content: space-between; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child{ border-bottom: none; }
.contact-row__label{ font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-faint); }
.contact-row__value{ font-size: 1.05rem; margin-top: 6px; }
.contact-row a.btn{ margin-top: 0; }

/* ---------- Utility ---------- */
.mt-lg{ margin-top: 56px; }