/* ============================================================
   Sean Love — portfolio
   Hand-rolled. CSS custom properties drive the whole theme.
   ============================================================ */

:root {
  --bg: #0c0d10;
  --bg-alt: #121419;
  --surface: #171a21;
  --line: #262b36;
  --text: #e8eaf0;
  --text-dim: #9aa1b0;
  --accent: #ff4d2e;        /* hot signal-orange — boomer shooter red */
  --accent-soft: rgba(255, 77, 46, 0.12);
  --font-display: "Chakra Petch", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 10px;
  --container: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ---------- header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 13, 16, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a:not(.btn) {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:not(.btn):hover { color: var(--text); }

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

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s, opacity 0.25s;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 77, 46, 0.35);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  box-shadow: none;
  color: var(--accent);
}

.btn-small { padding: 0.45rem 1rem; font-size: 0.85rem; }

/* ---------- hero ---------- */

.hero {
  padding: clamp(5rem, 14vh, 9rem) 1.5rem clamp(4rem, 10vh, 7rem);
}

.hero-kicker {
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.25em;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  line-height: 1.15;
  text-wrap: balance;
}

.hero-sub {
  color: var(--text-dim);
  max-width: 42rem;
  margin-top: 1.5rem;
  font-size: 1.15rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

/* ---------- sections ---------- */

.section { padding: clamp(3.5rem, 9vh, 6rem) 1.5rem; }

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

.section-title .accent { margin-right: 0.5rem; font-size: 0.8em; }

/* ---------- project grid ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.project-card.featured { grid-column: 1 / -1; }

@media (min-width: 720px) {
  .project-card.featured { flex-direction: row; }
  .project-card.featured .card-media { flex: 1.3; }
  .project-card.featured .card-body { flex: 1; align-self: center; }
}

a.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-alt);
}

.card-media img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 1.5rem; }

.card-body h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0.75rem 0 0.5rem;
}

.card-body p { color: var(--text-dim); font-size: 0.98rem; }

.card-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(255, 77, 46, 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: 99px;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.project-card.placeholder { opacity: 0.55; }

/* ---------- about ---------- */

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

@media (min-width: 820px) {
  .about-grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

.about-grid p { color: var(--text-dim); margin-bottom: 1rem; max-width: 38rem; }

.skill-list {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.skill-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 0.7rem 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
}

/* ---------- contact ---------- */

.contact-lead { color: var(--text-dim); font-size: 1.15rem; max-width: 36rem; }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ---------- project detail pages ---------- */

.project-hero { padding-top: clamp(3rem, 8vh, 5rem); }

.project-hero .card-tags { margin-bottom: 1rem; }

.project-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  line-height: 1.1;
}

.project-hero .lede {
  color: var(--text-dim);
  font-size: 1.2rem;
  max-width: 44rem;
  margin-top: 1rem;
}

.project-keyart {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin: 2.5rem 0;
  overflow: hidden;
}

.project-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
}

.project-body p, .project-body li { color: var(--text-dim); max-width: 44rem; }

.project-body ul { padding-left: 1.25rem; margin-bottom: 1rem; }

.project-body li { margin-bottom: 0.4rem; }

.video-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  max-width: 44rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-alt);
  margin: 1.5rem 0;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.build-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0 0.5rem;
}

.build-note {
  font-size: 0.85rem;
  color: var(--text-dim);
  opacity: 0.8;
}

.devlog {
  margin: 3rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.devlog-num {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
}

.devlog h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0.35rem 0 0.75rem;
}

.video-credit {
  font-size: 0.82rem;
  color: var(--text-dim);
  opacity: 0.7;
  margin: -0.75rem 0 1.5rem;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--text-dim);
  font-family: var(--font-display);
  letter-spacing: 0.1em;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.gallery a {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  transition: border-color 0.2s, transform 0.2s;
}

.gallery a:hover { border-color: var(--accent); transform: translateY(-2px); }

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

.back-link {
  display: inline-block;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.back-link:hover { color: var(--accent); }

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(8, 9, 11, 0.92);
  display: none;
  place-items: center;
  padding: 2rem;
  cursor: zoom-out;
}

.lightbox.open { display: grid; }

.lightbox img {
  max-width: min(1200px, 100%);
  max-height: 90vh;
  border-radius: var(--radius);
}

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- mobile nav ---------- */

@media (max-width: 680px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    display: none;
  }

  .nav-links.open { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a:not(.btn) {
    display: block;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--line);
  }

  .nav-links .btn { margin: 1rem 1.5rem; }

  .nav.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}