/* ============================================================
   Samson Bienstock — Portfolio
   Dark editorial theme: near-black, gold accent, serif display
   ============================================================ */

:root {
  --bg: #0a0b0d;
  --bg-raised: #111317;
  --bg-card: #0e1013;
  --text: #ececea;
  --muted: #a3a39e;
  --faint: #6e6e69;
  --gold: #c8a24a;
  --gold-bright: #e3c476;
  --rule: rgba(255, 255, 255, 0.08);
  --rule-strong: rgba(255, 255, 255, 0.14);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(200, 162, 74, 0.35); }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---------- Ambient background ---------- */

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 45% at 70% -5%, rgba(200, 162, 74, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 110%, rgba(200, 162, 74, 0.05), transparent 60%),
    var(--bg);
}

.ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}

/* ---------- Navigation ---------- */

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 11, 13, 0.75);
  border-bottom: 1px solid var(--rule);
}

.nav-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-mark {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-mark .dot { color: var(--gold); }

.nav-links {
  display: flex;
  gap: 2.2rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--muted);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-links a:hover { color: var(--text); }

.nav-links a.active {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

/* ---------- Shared section bits ---------- */

.kicker {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.4rem;
}

.kicker::before {
  content: "";
  width: 2.4rem;
  height: 1px;
  background: var(--gold);
  opacity: 0.7;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; }

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.fade-in.d1 { animation-delay: 0.12s; }
.fade-in.d2 { animation-delay: 0.24s; }
.fade-in.d3 { animation-delay: 0.36s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Hero (home) ---------- */

.hero {
  padding: 9rem 0 6rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  max-width: 17ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold-bright);
}

.hero .lede {
  margin-top: 1.8rem;
  max-width: 36rem;
  font-size: 1.12rem;
  color: var(--muted);
}

.hero-cta {
  margin-top: 2.6rem;
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.78rem 1.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  color: var(--text);
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn:hover { border-color: var(--gold); color: var(--gold-bright); }

.btn.solid {
  background: var(--gold);
  border-color: var(--gold);
  color: #0c0c0a;
}

.btn.solid:hover {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
  color: #0c0c0a;
}

.btn .arrow { font-family: var(--serif); font-size: 1rem; }

/* ---------- Stats band ---------- */

.stats {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 2.8rem 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat .num {
  font-family: var(--serif);
  font-size: 2.3rem;
  color: var(--gold-bright);
  line-height: 1.15;
}

.stat .label {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ---------- Home: focus areas ---------- */

.section { padding: 5.5rem 0; }

.section h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  letter-spacing: -0.01em;
  max-width: 24ch;
  margin-bottom: 2.8rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.pillar {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 2rem 1.8rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.pillar:hover { border-color: rgba(200, 162, 74, 0.45); transform: translateY(-3px); }

.pillar .n {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--gold);
  display: block;
  margin-bottom: 1.1rem;
}

.pillar h3 { font-size: 1.18rem; margin-bottom: 0.7rem; }

.pillar p { font-size: 0.92rem; color: var(--muted); }

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

footer {
  border-top: 1px solid var(--rule);
  padding: 3rem 0 3.4rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-inner .mark {
  font-family: var(--serif);
  font-size: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.8rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.footer-links a { transition: color 0.2s ease; }
.footer-links a:hover { color: var(--gold-bright); }

.copyright { font-size: 0.78rem; color: var(--faint); width: 100%; margin-top: 0.6rem; }

/* ---------- Page headers (about / projects) ---------- */

.page-head { padding: 7rem 0 3.5rem; }

.page-head h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
  max-width: 20ch;
}

.page-head .lede {
  margin-top: 1.5rem;
  max-width: 38rem;
  font-size: 1.08rem;
  color: var(--muted);
}

/* ---------- About page ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 4rem;
  padding-bottom: 5rem;
}

.about-body p { color: var(--muted); margin-bottom: 1.2rem; }
.about-body p strong { color: var(--text); font-weight: 600; }

.portrait {
  position: relative;
  margin-bottom: 2.8rem;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  padding: 0.6rem;
  background: var(--bg-card);
}

.portrait::after {
  content: "";
  position: absolute;
  top: 0.85rem;
  right: -0.85rem;
  bottom: -0.85rem;
  left: 0.85rem;
  border: 1px solid rgba(200, 162, 74, 0.35);
  border-radius: 4px;
  z-index: -1;
}

.portrait img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
  filter: saturate(0.92);
}

@media (max-width: 860px) {
  .portrait { max-width: 340px; }
}

.side-block { margin-bottom: 2.6rem; }

.side-block h3 {
  font-size: 0.74rem;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.side-block ul { list-style: none; }

.side-block li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--muted);
}

.side-block li:last-child { border-bottom: none; }

.side-block li span { color: var(--text); font-weight: 500; }

/* ---------- Timeline ---------- */

.timeline { padding-bottom: 6rem; }

.timeline h2 { font-size: 1.9rem; margin-bottom: 2.4rem; }

.t-entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  padding: 1.7rem 0;
  border-top: 1px solid var(--rule);
}

.t-entry .when {
  font-size: 0.84rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
}

.t-entry h3 { font-size: 1.15rem; margin-bottom: 0.15rem; }

.t-entry .where { font-size: 0.86rem; color: var(--faint); margin-bottom: 0.6rem; }

.t-entry p { font-size: 0.93rem; color: var(--muted); }

/* ---------- Projects page ---------- */

.projects-list { padding-bottom: 5rem; }

.project {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 2.4rem;
  padding: 3rem 0;
  border-top: 1px solid var(--rule);
  transition: background 0.3s ease;
}

.project:last-child { border-bottom: 1px solid var(--rule); }

.project .index {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--faint);
  transition: color 0.3s ease;
}

.project:hover .index { color: var(--gold-bright); }

.project h3 { font-size: 1.55rem; letter-spacing: -0.01em; margin-bottom: 0.3rem; }

.project .meta {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.project p { color: var(--muted); max-width: 44rem; }

.project .tags {
  margin-top: 1.3rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 0.28rem 0.85rem;
}

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

.contact-band {
  border-top: 1px solid var(--rule);
  padding: 5rem 0;
  text-align: center;
}

.contact-band h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 1rem; }

.contact-band p { color: var(--muted); max-width: 34rem; margin: 0 auto 2.2rem; }

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

@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 620px) {
  .hero { padding-top: 6rem; }
  .nav-links { gap: 1.3rem; }
  .t-entry { grid-template-columns: 1fr; gap: 0.4rem; }
  .project { grid-template-columns: 1fr; gap: 0.8rem; padding: 2.4rem 0; }
  .project .index { font-size: 1.2rem; }
}