/* jesseraysnyder.com — Design System */
/* Version: 1.0 | March 28, 2026 */

:root {
  --bg-primary: #0C0C0E;
  --bg-elevated: #141418;
  --bg-card: #1A1A1F;
  --bg-card-hover: #222228;
  --text-primary: #F2F0ED;
  --text-secondary: #A8A5A0;
  --text-tertiary: #837F79;
  --accent: #6DB8C0;
  --accent-dim: rgba(109, 184, 192, 0.13);
  --accent-glow: rgba(109, 184, 192, 0.07);
  --accent-bright: #8AD0D8;
  --ocean: #3A7B8C;
  --ocean-dim: rgba(58, 123, 140, 0.12);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1320px;
  --content-w: 740px;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ═══════════════ NAV ═══════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(12,12,14,0.85);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.15rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.3s;
}

.nav-logo:hover { opacity: 0.7; }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

/* ═══════════════ HERO ═══════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  padding: 0 2.5rem 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.35) contrast(1.1) saturate(0.7);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--bg-primary) 0%, transparent 50%),
    linear-gradient(to right, rgba(12,12,14,0.7) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  opacity: 0;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hero-tag::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 400;
  max-width: 900px;
  margin-bottom: 2rem;
  opacity: 0;
  animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

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

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 3.5rem;
  opacity: 0;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

/* ═══════════════ METRICS BAR ═══════════════ */
.metrics-bar {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: -2rem auto 0;
  padding: 0 2.5rem;
}

.metrics-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  opacity: 0;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
}

.metric {
  padding: 2rem 2.5rem;
  border-right: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: background 0.4s;
}

.metric:last-child { border-right: none; }
.metric:hover { background: var(--accent-glow); }

.metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-context {
  font-size: 0.78rem;
  color: var(--accent);
  margin-top: 0.4rem;
  font-weight: 500;
}

/* ═══════════════ SECTIONS ═══════════════ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 6rem 2.5rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 3.5rem;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 2rem;
}

/* ═══════════════ ARTICLE CARDS ═══════════════ */
.articles-grid { display: grid; gap: 0; }

.article-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  align-items: start;
}

.article-card::before {
  content: '';
  position: absolute;
  left: -2.5rem; right: -2.5rem;
  top: 0; bottom: 0;
  background: var(--bg-card);
  opacity: 0;
  transition: opacity 0.35s;
  z-index: -1;
}

.article-card:hover::before { opacity: 1; }
.article-card:hover { padding-left: 1.5rem; padding-right: 1.5rem; }

.article-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  padding-top: 0.5rem;
  min-width: 2rem;
  transition: color 0.3s;
}

.article-card:hover .article-index { color: var(--accent); }

.article-pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.article-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.28;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin-bottom: 0.6rem;
  transition: color 0.3s;
}

.article-card:hover .article-title { color: var(--accent); }

.article-excerpt {
  font-size: 0.92rem;
  color: var(--text-tertiary);
  line-height: 1.65;
  max-width: 560px;
}

.article-meta-col {
  text-align: right;
  padding-top: 0.5rem;
  white-space: nowrap;
}

.article-read-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.article-arrow {
  display: inline-block;
  margin-top: 1rem;
  font-size: 1.2rem;
  color: var(--text-tertiary);
  transition: all 0.3s;
  opacity: 0;
  transform: translateX(-8px);
}

.article-card:hover .article-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}

/* ═══════════════ THESIS ═══════════════ */
.thesis {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 2.5rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.thesis-visual {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}

.thesis-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
  transition: transform 6s cubic-bezier(0.16, 1, 0.3, 1);
}

.thesis-visual:hover img { transform: scale(1.04); }

.thesis-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 40%);
}

.thesis-caption {
  position: absolute;
  bottom: 1.5rem; left: 1.5rem;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.thesis-text h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}

.thesis-text h2 em { color: var(--accent); font-style: italic; }

.thesis-text p {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.thesis-text p em { color: var(--accent); font-style: italic; }

.thesis-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--accent-dim);
  border-left: 2px solid var(--accent);
  margin-top: 1rem;
}

.thesis-stat-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--accent);
  font-weight: 500;
}

.thesis-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ═══════════════ EMAIL ═══════════════ */
.email-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 2.5rem 6rem;
}

.email-box {
  position: relative;
  padding: 4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  overflow: hidden;
}

.email-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
}

.email-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.email-box h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.email-box h2 em { color: var(--accent); font-style: italic; }

.email-desc {
  font-size: 0.95rem;
  color: var(--text-tertiary);
  line-height: 1.7;
}

.email-form { display: flex; gap: 0; }

.email-input {
  flex: 1;
  padding: 1rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  border: 1px solid var(--border);
  border-right: none;
  background: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.3s;
}

.email-input:focus { border-color: var(--accent); }
.email-input::placeholder { color: var(--text-tertiary); }

.btn-primary {
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--bg-primary);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.btn-primary:hover { background: transparent; color: var(--accent); }

/* ═══════════════ FOOTER ═══════════════ */
.footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--accent); }

/* ═══════════════ ABOUT PAGE ═══════════════ */
.about-hero {
  padding: 10rem 2.5rem 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 400;
  max-width: 780px;
  opacity: 0;
  animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

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

.about-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2.5rem 6rem;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  align-items: start;
}

.about-sidebar { position: sticky; top: 100px; }

.about-photo-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  margin-bottom: 2rem;
}

.about-photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05);
}

.about-photo-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
}

.sidebar-detail { margin-bottom: 1.5rem; }

.sidebar-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.sidebar-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-main { max-width: 640px; }

.about-main p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.about-main p:first-of-type {
  font-size: 1.2rem;
  color: var(--text-primary);
  line-height: 1.72;
}

.proof-section {
  margin: 3rem 0;
  padding: 2.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  position: relative;
}

.proof-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
}

.proof-section h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 2rem;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 3rem;
}

.proof-item {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.proof-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--accent);
  font-weight: 500;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.proof-desc {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ═══════════════ ARTICLE PAGE ═══════════════ */
.article-page-hero {
  padding: 10rem 2.5rem 3rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.article-page-hero .article-pillar-tag {
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.article-page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 400;
  max-width: 820px;
  margin-bottom: 2rem;
  opacity: 0;
  animation: slideUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
}

.article-page-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
  opacity: 0;
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.article-page-meta .divider {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.article-content {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 4rem 2.5rem 6rem;
}

.article-content p {
  font-size: 1.12rem;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 1.6rem;
}

.article-content p.lead {
  font-size: 1.25rem;
  color: var(--text-primary);
  line-height: 1.75;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.article-content h3 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content blockquote {
  border-left: 2px solid var(--accent);
  padding: 0.5rem 0 0.5rem 2rem;
  margin: 2.5rem 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.45;
  color: var(--text-primary);
  font-style: italic;
}

.data-box {
  padding: 2rem;
  margin: 2rem 0;
  background: var(--accent-dim);
  border-left: 2px solid var(--accent);
}

.data-box-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.data-box p {
  font-size: 0.98rem !important;
  color: var(--text-primary) !important;
  margin-bottom: 0 !important;
  line-height: 1.75 !important;
}

.author-box {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  margin-top: 4rem;
  align-items: start;
}

.author-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.author-info h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.author-info p {
  font-size: 0.85rem !important;
  color: var(--text-tertiary) !important;
  line-height: 1.65 !important;
  margin-bottom: 0 !important;
}

/* ═══════════════ ANIMATIONS ═══════════════ */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════ GRAIN ═══════════════ */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 900px) {
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: none; }
  .thesis { grid-template-columns: 1fr; }
  .thesis-visual { max-height: 50vh; }
  .email-grid { grid-template-columns: 1fr; gap: 2rem; }
  .email-form { flex-direction: column; }
  .email-input { border-right: 1px solid var(--border); }
  .about-body { grid-template-columns: 1fr; }
  .about-sidebar { position: static; max-width: 280px; }
  .proof-grid { grid-template-columns: 1fr; }
  .article-card { grid-template-columns: 1fr; }
  .article-index { display: none; }
  .article-meta-col { text-align: left; }
  .footer { flex-direction: column; gap: 1.5rem; text-align: center; }
}

@media (max-width: 600px) {
  .metrics-inner { grid-template-columns: 1fr; }
  .metric { border-right: none; border-bottom: 1px solid var(--border); }
  .metric:last-child { border-bottom: none; }
  .nav-inner { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.5rem; }
  .hero { padding: 0 1.5rem 4rem; }
  .section { padding: 4rem 1.5rem; }
}