/* =================================================================
   Ryan Novak — ryannovak.net
   Main stylesheet
   ================================================================= */

/* -----------------------------------------------------------------
   Design tokens
   ----------------------------------------------------------------- */
:root {
  /* Palette — dark-first, signal-green accent */
  --bg: #0a0d12;
  --bg-elevated: #11151c;
  --bg-card: #141922;
  --border: #1f2630;
  --border-strong: #2a3340;

  --fg: #e6ecf3;
  --fg-muted: #8b96a5;
  --fg-dim: #566271;

  --accent: #00e5a0;
  --accent-dim: #00b37d;
  --accent-glow: rgba(0, 229, 160, 0.15);

  --signal-red: #ff5a5f;
  --signal-amber: #ffb84d;

  /* Typography */
  --font-display: 'JetBrains Mono', ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
  --font-body: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-ui: 'Geist', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Scale */
  --step--1: clamp(0.83rem, 0.80rem + 0.16vw, 0.94rem);
  --step-0:  clamp(1.00rem, 0.95rem + 0.27vw, 1.19rem);
  --step-1:  clamp(1.20rem, 1.11rem + 0.43vw, 1.50rem);
  --step-2:  clamp(1.44rem, 1.31rem + 0.66vw, 1.89rem);
  --step-3:  clamp(1.73rem, 1.53rem + 0.97vw, 2.38rem);
  --step-4:  clamp(2.07rem, 1.80rem + 1.39vw, 3.00rem);
  --step-5:  clamp(2.49rem, 2.10rem + 1.97vw, 3.78rem);
  --step-6:  clamp(2.99rem, 2.44rem + 2.76vw, 4.77rem);

  /* Spacing */
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-s:   1rem;
  --space-m:   1.5rem;
  --space-l:   2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  /* Layout */
  --content-max: 1180px;
  --prose-max: 68ch;

  /* Transitions */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -----------------------------------------------------------------
   Reset & base
   ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  min-height: 100vh;
  font-feature-settings: "liga" 1, "kern" 1;
  overflow-x: hidden;
}

/* Background ambience — subtle grid + radial glow */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 70% -10%, var(--accent-glow), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 110%, rgba(80, 130, 255, 0.08), transparent 60%);
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.25;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 40%, transparent 100%);
  z-index: -1;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
a:hover { color: var(--fg); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

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

/* -----------------------------------------------------------------
   Typography
   ----------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
}

h1 { font-size: var(--step-6); font-weight: 600; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { max-width: var(--prose-max); }

.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-m);
  display: flex;
  align-items: center;
  gap: var(--space-s);
}
.eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.mono { font-family: var(--font-display); }
.ui { font-family: var(--font-ui); }

/* -----------------------------------------------------------------
   Layout primitives
   ----------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-inline: var(--space-m);
}

section {
  padding-block: var(--space-2xl);
  scroll-margin-top: 80px;
}

/* -----------------------------------------------------------------
   Navigation
   ----------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-s) 0;
  background: rgba(10, 13, 18, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 13, 18, 0.9);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-0);
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.nav-logo::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s var(--ease) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.nav-links {
  display: flex;
  gap: var(--space-m);
  list-style: none;
  font-family: var(--font-ui);
  font-size: var(--step--1);
}

.nav-links a {
  color: var(--fg-muted);
  position: relative;
  padding: var(--space-xs) 0;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after { width: 100%; }

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--fg);
}

/* -----------------------------------------------------------------
   Hero
   ----------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  padding-block: var(--space-3xl) var(--space-2xl);
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  width: 100%;
}

.hero-meta {
  font-family: var(--font-ui);
  font-size: var(--step--1);
  color: var(--fg-muted);
  display: flex;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
  align-items: center;
}
.hero-meta .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--fg);
  font-size: 0.78rem;
}
.hero-meta .status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.95;
  margin-bottom: var(--space-m);
}
.hero h1 .accent { color: var(--accent); }

.hero-sub {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--fg-muted);
  margin-bottom: var(--space-l);
  font-weight: 400;
}
.hero-sub .bracket { color: var(--fg-dim); }

.hero-lede {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--fg);
  max-width: 50ch;
  margin-bottom: var(--space-l);
}

.hero-cta {
  display: flex;
  gap: var(--space-s);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.5rem;
  font-family: var(--font-ui);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 4px;
  transition: all 0.2s var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--fg);
  color: var(--bg);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.btn .arrow {
  transition: transform 0.2s var(--ease);
}
.btn:hover .arrow { transform: translateX(3px); }

/* Hero portrait card */
.hero-portrait {
  position: relative;
  aspect-ratio: 4/5;
  max-width: 380px;
  margin-left: auto;
  border: 1px solid var(--border);
  padding: var(--space-s);
  background: var(--bg-card);
  border-radius: 6px;
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
  filter: grayscale(10%) contrast(1.05);
}
.hero-portrait::before {
  content: '';
  position: absolute;
  inset: -1px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  transform: translate(0, 0);
  pointer-events: none;
}
.hero-portrait:hover::before {
  opacity: 1;
  transform: translate(8px, 8px);
}

.hero-portrait-meta {
  position: absolute;
  bottom: -28px;
  left: var(--space-s);
  right: var(--space-s);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* -----------------------------------------------------------------
   Section headers
   ----------------------------------------------------------------- */
.section-head {
  margin-bottom: var(--space-xl);
  max-width: 720px;
}
.section-head h2 {
  font-size: var(--step-5);
  margin-bottom: var(--space-s);
}
.section-head p {
  font-size: var(--step-1);
  color: var(--fg-muted);
  line-height: 1.5;
}

/* -----------------------------------------------------------------
   About
   ----------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}
.about-grid p {
  font-size: var(--step-1);
  line-height: 1.55;
  margin-bottom: var(--space-m);
}
.about-grid p:last-child { margin-bottom: 0; }

.about-side {
  border-left: 1px solid var(--border);
  padding-left: var(--space-l);
}
.about-side .label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: var(--space-xs);
}
.about-side .kv {
  margin-bottom: var(--space-m);
}
.about-side .kv .value {
  font-family: var(--font-display);
  font-size: var(--step-0);
  color: var(--fg);
}

/* -----------------------------------------------------------------
   Experience timeline
   ----------------------------------------------------------------- */
.timeline {
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 120px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.job {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-l);
  padding-bottom: var(--space-l);
  margin-bottom: var(--space-l);
  position: relative;
  border-bottom: 1px solid var(--border);
}
.job:last-child { border-bottom: none; margin-bottom: 0; }

.job-date {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.5;
  position: relative;
  padding-top: 6px;
}
.job-date::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 50%;
  transition: background 0.3s var(--ease);
}
.job.current .job-date::after {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.job-body {
  padding-left: var(--space-l);
}
.job-title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 4px;
  line-height: 1.2;
}
.job-company {
  font-family: var(--font-ui);
  font-size: var(--step-0);
  color: var(--accent);
  margin-bottom: var(--space-s);
}
.job-company .divider { color: var(--fg-dim); margin: 0 8px; }
.job-desc {
  color: var(--fg-muted);
  margin-bottom: var(--space-s);
  font-size: var(--step-0);
}
.job-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.job-bullets li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--fg);
  font-size: var(--step-0);
  line-height: 1.5;
}
.job-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-display);
}

/* -----------------------------------------------------------------
   Skills
   ----------------------------------------------------------------- */
.skills-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-l);
}
.skill-group {
  padding: var(--space-l);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.skill-group:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.skill-group h4 {
  font-size: var(--step-0);
  color: var(--accent);
  margin-bottom: var(--space-s);
  font-weight: 500;
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
}
.skill-tags li {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 4px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  color: var(--fg-muted);
  transition: all 0.2s var(--ease);
}
.skill-tags li:hover {
  color: var(--fg);
  border-color: var(--fg-muted);
}

/* -----------------------------------------------------------------
   Education / Certs
   ----------------------------------------------------------------- */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-m);
}
.edu-card {
  padding: var(--space-l);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.3s var(--ease);
}
.edu-card:hover { border-color: var(--border-strong); }
.edu-card .date {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--fg-dim);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}
.edu-card h4 {
  font-size: var(--step-1);
  margin-bottom: 4px;
}
.edu-card .institution {
  font-family: var(--font-ui);
  color: var(--accent);
  font-size: var(--step--1);
  margin-bottom: var(--space-xs);
}
.edu-card .detail {
  font-size: var(--step--1);
  color: var(--fg-muted);
}

/* -----------------------------------------------------------------
   Stats
   ----------------------------------------------------------------- */
.stats-intro {
  display: flex;
  align-items: baseline;
  gap: var(--space-s);
  margin-bottom: var(--space-l);
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--fg-dim);
}
.stats-intro .year {
  color: var(--accent);
  font-size: var(--step-1);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.stat {
  padding: var(--space-l);
  background: var(--bg-card);
  transition: background 0.3s var(--ease);
  position: relative;
}
.stat:hover { background: var(--bg-elevated); }
.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.4s var(--ease);
}
.stat:hover::before { width: 100%; }

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 500;
  color: var(--fg);
  line-height: 1;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}
.stat-value .unit {
  font-size: 0.6em;
  color: var(--fg-dim);
  margin-left: 4px;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* -----------------------------------------------------------------
   Quotes
   ----------------------------------------------------------------- */
.quotes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}
.quote {
  padding: var(--space-l);
  border-left: 2px solid var(--accent);
  position: relative;
}
.quote blockquote {
  font-size: var(--step-2);
  line-height: 1.35;
  font-style: italic;
  color: var(--fg);
  margin-bottom: var(--space-m);
  font-family: var(--font-body);
  font-weight: 300;
}
.quote cite {
  font-family: var(--font-ui);
  font-size: var(--step--1);
  color: var(--fg-muted);
  font-style: normal;
  letter-spacing: 0.05em;
}
.quote cite strong {
  color: var(--accent);
  font-weight: 500;
  margin-right: var(--space-xs);
}

/* -----------------------------------------------------------------
   Contact
   ----------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-m);
  margin-bottom: var(--space-xl);
}
.contact-card {
  padding: var(--space-l);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.contact-card:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
}
.contact-card .label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.contact-card .value {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--fg);
}
.contact-card a { color: inherit; }
.contact-card:hover .value { color: var(--accent); }

.socials {
  display: flex;
  gap: var(--space-m);
  padding-top: var(--space-l);
  border-top: 1px solid var(--border);
  font-family: var(--font-ui);
  font-size: var(--step--1);
}
.socials a {
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.socials a:hover { color: var(--accent); }
.socials a::before {
  content: '↗';
  font-size: 0.9em;
}

/* -----------------------------------------------------------------
   Footer
   ----------------------------------------------------------------- */
.footer {
  padding: var(--space-l) 0 var(--space-m);
  border-top: 1px solid var(--border);
  margin-top: var(--space-2xl);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--fg-dim);
}
.footer a { color: var(--fg-muted); }
.footer a:hover { color: var(--accent); }

/* -----------------------------------------------------------------
   Reveal animations (scroll-triggered)
   ----------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav-logo::before { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* -----------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .hero-portrait {
    max-width: 280px;
    margin-inline: auto;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-l);
  }
  .about-side {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: var(--space-l);
  }
  .quotes-grid {
    grid-template-columns: 1fr;
    gap: var(--space-l);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .timeline::before { left: 8px; }
  .job {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  .job-date::after { display: none; }
  .job-body {
    padding-left: var(--space-l);
    border-left: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-elevated);
    padding: var(--space-m);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }

  section { padding-block: var(--space-xl); }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-s);
    text-align: center;
  }
}