/* ===========================================================
   Mark Salamon — Portfolio
   Design intent: restrained, senior, editorial. Big type,
   generous white space, minimal motion. Let the work carry it.
=========================================================== */

:root {
  --ink: #14161a;       /* near-black — headlines, body text */
  --paper: #fafaf9;     /* clean off-white — lets photography read as full-color */
  --paper-dim: #f0f0ee; /* alternating section tone */
  --line: #e2e2df;      /* hairlines */
  --muted: #6a6a68;     /* supporting copy */

  --accent: #b5482f;      /* single warm terracotta red — links, kickers, buttons, emphasis */
  --accent-soft: #d1633f; /* lighter step of the same red — hover states, use on dark surfaces */

  --header-bg: #14161a;  /* true near-black bar — separates wayfinding from the work */
  --header-ink: #f5f5f3;
  --header-line: rgba(255, 255, 255, 0.12);

  --max: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --serif: "Iowan Old Style", "Georgia", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

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

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

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 22, 26, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--header-line);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.1rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--header-ink);
  font-weight: 600;
}

.wordmark span { color: var(--accent-soft); }

nav.primary ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

nav.primary a {
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--header-ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.15s ease;
}

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

.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--header-line);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  color: var(--header-ink);
}

@media (max-width: 720px) {
  nav.primary {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-line);
    display: none;
  }
  nav.primary.open { display: block; }
  nav.primary ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gap) 1.25rem;
  }
  nav.primary li { border-top: 1px solid var(--header-line); }
  nav.primary a { display: block; padding: 0.85rem 0; }
  .nav-toggle { display: block; }
}

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

.hero {
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(1.5rem, 3vw, 2rem);
}

.hero .kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 1.08;
  margin: 0 0 1.1rem;
  max-width: 18ch;
}

.accent-text { color: var(--accent); }

.hero .lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 1.5rem;
}

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

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}

.btn:hover { background: var(--ink); color: var(--paper); }

.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-soft); border-color: var(--accent-soft); }

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

section { padding: clamp(1.5rem, 3.5vw, 2.75rem) 0; }

.section-head { margin-bottom: clamp(1rem, 2.5vw, 1.75rem); }

.section-head .kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-head h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0;
}

.section-head.lg h2 {
  font-size: clamp(2rem, 5vw, 3.1rem);
}

hr.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Pillars (three-up) ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

@media (max-width: 800px) {
  .pillars { grid-template-columns: 1fr; }
}

.pillar h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.75rem;
}

.pillar ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.pillar li { margin-bottom: 0.35rem; }

/* ---------- Case study cards / grid ---------- */

.cs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

@media (max-width: 800px) {
  .cs-grid { grid-template-columns: 1fr; }
}

.cs-card {
  text-decoration: none;
  color: var(--ink);
  display: block;
}

.cs-card .thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-dim);
  margin-top: 1rem;
}

.cs-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.cs-card:hover .thumb img { transform: scale(1.03); }

.cs-card .num {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cs-card h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  margin: 0.35rem 0 0.4rem;
}

.cs-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.cs-card.featured {
  display: block;
}

.cs-card.featured .featured-text {
  max-width: 50%;
}

@media (max-width: 800px) {
  .cs-card.featured .featured-text { max-width: 100%; }
}

.cs-card.featured .thumb {
  aspect-ratio: 21 / 9;
  margin-top: 1.25rem;
}

@media (max-width: 800px) {
  .cs-card.featured .thumb { aspect-ratio: 4 / 3; }
}

hr.rule.cs-divider { margin: clamp(2.5rem, 6vw, 4rem) 0; }

/* ---------- Role line (plain text, not button-shaped) ---------- */

.role-line {
  margin: 1.1rem 0 0;
  font-size: 0.95rem;
  color: var(--ink);
}

.role-line .role-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  color: var(--muted);
  margin-right: 0.6rem;
}

/* ---------- Case study page ---------- */

.cs-hero {
  padding-top: clamp(1.5rem, 3.5vw, 2.5rem);
}

.cs-hero .kicker { color: var(--accent); }

.cs-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.1;
  margin: 0.5rem 0 1rem;
  max-width: 24ch;
}

.cs-hero .lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 60ch;
}

.cs-hero .full-image {
  margin-top: 1.5rem;
}

.cs-hero .full-image img { width: 100%; }

.cs-block {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: var(--gap);
  padding: clamp(1.5rem, 3.5vw, 2.25rem) 0;
  border-top: 1px solid var(--line);
}

@media (max-width: 800px) {
  .cs-block { grid-template-columns: 1fr; }
}

.cs-block .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.cs-block h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin: 0.4rem 0 0;
}

.cs-block .body p { margin-top: 0; color: #2b2a26; }
.cs-block .body p:first-child { margin-top: 0; }

.cs-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.cs-gallery.single { grid-template-columns: 1fr; }

@media (max-width: 700px) {
  .cs-gallery { grid-template-columns: 1fr; }
}

.cs-gallery figure { margin: 0; }

.cs-gallery img {
  width: 100%;
  border: 1px solid var(--line);
}

.cs-gallery figcaption {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.cs-nextprev {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}

.cs-nextprev a {
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- Earlier work list ---------- */

.earlier-list {
  border-top: 1px solid var(--line);
}

.earlier-row {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

@media (max-width: 700px) {
  .earlier-row { grid-template-columns: 1fr; gap: 0.25rem; }
}

.earlier-row .client { font-weight: 600; }
.earlier-row .role { color: var(--muted); font-size: 0.92rem; }
.earlier-row .desc { color: var(--muted); font-size: 0.92rem; }

.note-box {
  background: var(--paper-dim);
  border: 1px dashed var(--line);
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

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

footer.site {
  border-top: 1px solid var(--line);
  padding: 3rem 0;
  margin-top: 3rem;
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

footer.site a { text-decoration: none; color: var(--ink); }

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

.contact-form {
  display: grid;
  gap: 1.1rem;
  max-width: 560px;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  background: #fff;
  font-family: var(--sans);
  font-size: 1rem;
  border-radius: 2px;
}

.contact-form textarea { min-height: 140px; resize: vertical; }

/* ---------- Lightbox ---------- */

.lightbox-trigger { cursor: zoom-in; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 10, 10, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  width: auto;
  cursor: zoom-out;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

/* ---------- Utility ---------- */

.center { text-align: center; }
.mt-0 { margin-top: 0; }