/* =============================================
   WYATT HOLLOWAYNE — Personal Site Stylesheet
   Design: Black Velvet + Violet Neon
   ============================================= */

/* --- CSS Variables --- */
:root {
  /* Brand */
  --iris-violet: #9281f7;
  --pulse-amber: #f5a623;

  /* Neutrals */
  --void-black: #000000;
  --obsidian: #0a0a0b;
  --graphite: #292d30;
  --slate: #3a3f44;
  --pure-white: #ffffff;
  --ash-gray: #888888;
  --dim-gray: #666666;

  /* Surfaces */
  --layer-0: #000000;
  --layer-1: #0a0a0b;
  --layer-2: #141416;
  --layer-3: #1c1c1f;

  /* Spacing */
  --xs: 4px;
  --sm: 8px;
  --md: 16px;
  --lg: 24px;
  --xl: 32px;
  --2xl: 48px;
  --3xl: 64px;
  --4xl: 96px;
  --5xl: 128px;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-heading: 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Layout */
  --max-width: 1200px;
  --gutter: 24px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--void-black);
  color: var(--pure-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms ease-out;
}

a:hover {
  color: var(--iris-violet);
}

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
.display-hero {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 400;
  line-height: 1.00;
  letter-spacing: -0.01em;
  color: var(--pure-white);
}

.display-hero .accent {
  color: var(--iris-violet);
}

h1, .h1 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.10;
  letter-spacing: -0.05em;
}

h2, .h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h3, .h3 {
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 600;
  line-height: 1.20;
  letter-spacing: -0.02em;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.40;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ash-gray);
}

.mono-data {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.30;
  letter-spacing: 0.02em;
  color: var(--iris-violet);
}

.body-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.70;
  color: var(--ash-gray);
}

.body-text-lg {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.70;
  color: var(--ash-gray);
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--2xl);
}

@media (max-width: 1024px) {
  .container { padding: 0 var(--lg); }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--md); }
}

.section {
  padding: var(--5xl) 0;
  border-bottom: 1px solid var(--graphite);
}

.section:last-child {
  border-bottom: none;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--void-black);
  border-bottom: 1px solid var(--graphite);
  padding: var(--md) 0;
  backdrop-filter: blur(8px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--2xl);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--pure-white);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--xl);
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--ash-gray);
  position: relative;
  padding-bottom: 4px;
  transition: color 150ms ease-out;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--pulse-amber);
  transition: width 150ms ease-out;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--pure-white);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--pure-white);
  transition: transform 200ms ease-out;
}

@media (max-width: 768px) {
  .nav-inner { padding: 0 var(--md); }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--void-black);
    border-bottom: 1px solid var(--graphite);
    padding: var(--lg) var(--md);
    gap: var(--lg);
  }
  .nav-links.open { display: flex; }
  .nav-mobile-toggle { display: flex; }
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--5xl) 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ash-gray);
  margin-bottom: var(--xl);
}

.hero-headline {
  margin-bottom: var(--xl);
}

.hero-description {
  font-size: 18px;
  line-height: 1.70;
  color: var(--ash-gray);
  max-width: 640px;
  margin: 0 auto var(--2xl);
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.3;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sm);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 24px;
  border-radius: 6px;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  transition: background 150ms ease-out, border-color 150ms ease-out;
  text-decoration: none;
}

.btn-primary {
  border-color: var(--pulse-amber);
  color: var(--pulse-amber);
}

.btn-primary:hover {
  background: var(--layer-3);
  color: var(--pulse-amber);
}

.btn-secondary {
  border-color: var(--pure-white);
  color: var(--pure-white);
}

.btn-secondary:hover {
  background: var(--layer-3);
  color: var(--pure-white);
}

.btn-violet {
  border-color: var(--iris-violet);
  color: var(--iris-violet);
}

.btn-violet:hover {
  background: var(--layer-3);
  color: var(--iris-violet);
}

/* --- Cards --- */
.card {
  background: var(--layer-2);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--lg);
  transition: border-color 200ms ease-in-out;
}

.card:hover {
  border-color: var(--iris-violet);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--3xl);
  align-items: start;
}

.about-photo {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 16px;
  border: 1px solid var(--graphite);
  background: var(--layer-2);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo-placeholder {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--dim-gray);
}

.about-text h2 {
  margin-bottom: var(--lg);
}

.about-text p {
  color: var(--ash-gray);
  line-height: 1.75;
  margin-bottom: var(--md);
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--2xl);
  }
  .about-photo {
    max-width: 300px;
    margin: 0 auto;
  }
}

/* --- Methodology Section --- */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--lg);
  margin-top: var(--2xl);
}

.methodology-card {
  background: var(--layer-2);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--xl);
  transition: border-color 200ms ease-in-out;
}

.methodology-card:hover {
  border-color: var(--iris-violet);
}

.methodology-card .card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--iris-violet);
  margin-bottom: var(--sm);
}

.methodology-card h3 {
  font-size: 20px;
  margin-bottom: var(--md);
}

.methodology-card p {
  font-size: 14px;
  color: var(--ash-gray);
  line-height: 1.65;
}

@media (max-width: 768px) {
  .methodology-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Expertise Section --- */
.expertise-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--lg);
  margin-top: var(--2xl);
}

.expertise-item {
  padding: var(--lg);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  background: var(--layer-1);
  transition: border-color 200ms ease-in-out;
}

.expertise-item:hover {
  border-color: var(--iris-violet);
}

.expertise-item .number {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--iris-violet);
  margin-bottom: var(--sm);
}

.expertise-item h3 {
  font-size: 18px;
  margin-bottom: var(--sm);
}

.expertise-item p {
  font-size: 14px;
  color: var(--ash-gray);
  line-height: 1.60;
}

@media (max-width: 1024px) {
  .expertise-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .expertise-list { grid-template-columns: 1fr; }
}

/* --- Timeline --- */
.timeline {
  margin-top: var(--2xl);
  position: relative;
  padding-left: var(--xl);
  border-left: 1px solid var(--graphite);
}

.timeline-item {
  margin-bottom: var(--xl);
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--xl) - 3px);
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--iris-violet);
}

.timeline-item .period {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--iris-violet);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.timeline-item .role {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.timeline-item .org {
  font-size: 14px;
  color: var(--ash-gray);
}

/* --- Blog Cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--lg);
  margin-top: var(--2xl);
}

.blog-card {
  background: var(--layer-2);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--lg);
  display: flex;
  flex-direction: column;
  transition: border-color 200ms ease-in-out, transform 200ms ease-out;
}

.blog-card:hover {
  border-color: var(--iris-violet);
  transform: translateY(-2px);
}

.blog-card .card-meta {
  display: flex;
  align-items: center;
  gap: var(--md);
  margin-bottom: var(--md);
}

.blog-card .card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--iris-violet);
  border: 1px solid var(--graphite);
  border-radius: 6px;
  padding: 4px 8px;
}

.blog-card .card-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim-gray);
}

.blog-card h3 {
  font-size: 20px;
  margin-bottom: var(--sm);
  line-height: 1.30;
}

.blog-card p {
  font-size: 14px;
  color: var(--ash-gray);
  line-height: 1.60;
  flex: 1;
}

.blog-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--md);
  padding-top: var(--md);
  border-top: 1px solid var(--graphite);
}

.blog-card .reading-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim-gray);
}

.blog-card .sentiment-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--iris-violet);
  border: 1px solid var(--graphite);
  border-radius: 6px;
  padding: 4px 10px;
}

/* --- Featured Blog Card --- */
.blog-featured {
  display: block;
  background: var(--layer-2);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--2xl);
  margin-bottom: var(--2xl);
  transition: border-color 200ms ease-in-out;
}

.blog-featured .featured-meta {
  display: flex;
  align-items: center;
  gap: var(--md);
  flex-wrap: wrap;
  margin-top: var(--lg);
}

.blog-featured:hover {
  border-color: var(--iris-violet);
}

.blog-featured .featured-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--pulse-amber);
  margin-bottom: var(--md);
}

.blog-featured h2 {
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: var(--md);
}

.blog-featured p {
  font-size: 16px;
  color: var(--ash-gray);
  line-height: 1.70;
  max-width: 720px;
  margin-bottom: var(--lg);
}

/* --- Article Page --- */
.article-header {
  padding-top: var(--5xl);
  padding-bottom: var(--3xl);
  border-bottom: 1px solid var(--graphite);
}

.article-header .article-meta {
  display: flex;
  align-items: center;
  gap: var(--md);
  margin-bottom: var(--lg);
  flex-wrap: wrap;
}

.article-header h1 {
  margin-bottom: var(--lg);
}

.article-header .article-excerpt {
  font-size: 18px;
  color: var(--ash-gray);
  line-height: 1.70;
  max-width: 720px;
}

.article-content {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--3xl) 0;
}

.article-content h2 {
  font-size: 28px;
  margin-top: var(--2xl);
  margin-bottom: var(--lg);
}

.article-content h3 {
  font-size: 22px;
  margin-top: var(--xl);
  margin-bottom: var(--md);
}

.article-content p {
  font-size: 17px;
  color: var(--ash-gray);
  line-height: 1.80;
  margin-bottom: var(--lg);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--lg);
  padding-left: var(--lg);
}

.article-content li {
  font-size: 16px;
  color: var(--ash-gray);
  line-height: 1.75;
  margin-bottom: var(--sm);
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

.article-content blockquote {
  border-left: 2px solid var(--iris-violet);
  padding-left: var(--lg);
  margin: var(--xl) 0;
  font-style: italic;
  color: var(--ash-gray);
}

.article-content .data-callout {
  background: var(--layer-2);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--lg);
  margin: var(--xl) 0;
}

.article-content .data-callout .callout-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--iris-violet);
  margin-bottom: var(--sm);
}

/* --- Photo Hero (Second photo placement) --- */
.photo-hero-section {
  position: relative;
  padding: var(--4xl) 0;
  text-align: center;
}

.photo-hero-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid var(--graphite);
  background: var(--layer-2);
  margin: 0 auto var(--xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Telegram CTA --- */
.cta-section {
  padding: var(--4xl) 0;
  text-align: center;
  border-top: 1px solid var(--graphite);
}

.cta-section .cta-label {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--pure-white);
  margin-bottom: var(--md);
}

.cta-section .cta-desc {
  font-size: 16px;
  color: var(--ash-gray);
  margin-bottom: var(--xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  padding: var(--2xl) 0;
  border-top: 1px solid var(--graphite);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--lg);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim-gray);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  gap: var(--lg);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ash-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 150ms ease-out;
}

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

/* --- Data Sources Grid --- */
.data-sources {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sm);
  margin-top: var(--lg);
}

.data-source-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ash-gray);
  border: 1px solid var(--graphite);
  border-radius: 6px;
  padding: 6px 12px;
  letter-spacing: 0.04em;
}

/* --- Sentiment Badge Inline --- */
.sentiment-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--graphite);
  border-radius: 6px;
  padding: 4px 10px;
}

.sentiment-inline .score {
  color: var(--iris-violet);
  font-size: 14px;
}

.sentiment-inline .label {
  color: var(--ash-gray);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Section Headers --- */
.section-header {
  margin-bottom: var(--2xl);
}

.section-header .section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--iris-violet);
  margin-bottom: var(--sm);
}

/* --- Page Header (Blog Listing) --- */
.page-header {
  padding-top: var(--5xl);
  padding-bottom: var(--3xl);
  border-bottom: 1px solid var(--graphite);
}

.page-header .page-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--iris-violet);
  margin-bottom: var(--md);
}

/* --- Filter Tags --- */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sm);
  margin-top: var(--lg);
}

.filter-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ash-gray);
  border: 1px solid var(--graphite);
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 150ms ease-out;
  background: transparent;
}

.filter-tag:hover,
.filter-tag.active {
  border-color: var(--iris-violet);
  color: var(--pure-white);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }
.fade-in-delay-4 { transition-delay: 400ms; }

/* --- Disclosure --- */
.disclosure {
  background: var(--layer-1);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--lg);
  margin-top: var(--2xl);
}

.disclosure p {
  font-size: 13px;
  color: var(--dim-gray);
  line-height: 1.65;
  font-style: italic;
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--sm); }
.mt-md { margin-top: var(--md); }
.mt-lg { margin-top: var(--lg); }
.mt-xl { margin-top: var(--xl); }
.mt-2xl { margin-top: var(--2xl); }
.mb-md { margin-bottom: var(--md); }
.mb-lg { margin-bottom: var(--lg); }

/* --- Contact Grid --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--md);
  margin-top: var(--xl);
}

.contact-item {
  border: 1px solid var(--graphite);
  border-radius: 6px;
  padding: var(--md);
  transition: border-color 200ms ease-in-out;
}

.contact-item:hover {
  border-color: var(--iris-violet);
}

.contact-item .contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--dim-gray);
  margin-bottom: 4px;
}

.contact-item .contact-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pure-white);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--void-black);
}
::-webkit-scrollbar-thumb {
  background: var(--graphite);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--slate);
}