/* ==========================================================================
   0xshingo.cc — design system
   ========================================================================== */

:root {
  --bg: #05070d;
  --bg-soft: #0a0e1a;
  --bg-elevated: #10162a;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e7ecf6;
  --text-dim: #94a3b8;
  --text-faint: #5b6883;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --pink: #f472b6;
  --gradient: linear-gradient(135deg, var(--cyan), var(--violet));
  --gradient-soft: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(167, 139, 250, 0.14));
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container: 1120px;
  --radius: 16px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: default;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 75%);
}

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

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

section { position: relative; z-index: 1; }

.section-title {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 2.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------------------------------------------------------------------- */
/* progress bar + cursor glow                                             */
/* ---------------------------------------------------------------------- */

.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--gradient);
  z-index: 1000;
  transition: width 0.1s linear;
}

.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  will-change: transform;
}

@media (hover: none) {
  .cursor-glow { display: none; }
}

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

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(5, 7, 13, 0.55);
  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(5, 7, 13, 0.82);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.1rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo span { color: var(--text-dim); }

.nav-links {
  display: flex;
  gap: 2rem;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.nav-links a {
  color: var(--text-dim);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s var(--ease);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 1px;
  background: var(--gradient);
  transition: width 0.25s var(--ease);
}

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

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

.nav-github {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), color 0.2s var(--ease);
}

.nav-github:hover {
  border-color: var(--border-strong);
  color: var(--cyan);
  transform: translateY(-2px);
}

.nav-github svg { width: 18px; height: 18px; }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

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

.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 2rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 7rem clamp(1.25rem, 4vw, 2.5rem) 4rem;
  position: relative;
}

.hero-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.55;
}

.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  filter: saturate(1.1);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 20%, transparent, var(--bg) 85%);
}

.hero-content { position: relative; z-index: 2; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
  margin-bottom: 1.25rem;
  opacity: 0.9;
}

.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 1rem;
}

.hero-role {
  font-family: var(--mono);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-dim);
  min-height: 1.6em;
  margin-bottom: 1.5rem;
}

.hero-role .typed { color: var(--violet); }

.cursor-blink {
  display: inline-block;
  color: var(--cyan);
  animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  max-width: 40ch;
  color: var(--text-dim);
  font-size: 1.02rem;
  margin-bottom: 2.25rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
  will-change: transform;
}

.btn-primary {
  background: var(--gradient);
  color: #05070d;
  border: none;
  font-weight: 600;
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(34, 211, 238, 0.35);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.btn-lg { padding: 1.05rem 2.1rem; font-size: 1rem; }

.hero-photo-wrap {
  position: relative;
  justify-self: center;
  width: min(320px, 80vw);
  aspect-ratio: 4 / 5;
  transform-style: preserve-3d;
  perspective: 800px;
}

.hero-photo-glow {
  position: absolute;
  inset: -10%;
  background: var(--gradient);
  filter: blur(60px);
  opacity: 0.35;
  border-radius: 40%;
  z-index: 0;
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.25; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.05); }
}

.hero-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}

.scroll-indicator {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-indicator span {
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
  animation: scrollDown 1.6s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { opacity: 0; transform: translateY(0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px); }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: left; padding-top: 8rem; }
  .hero-photo-wrap { order: -1; width: min(220px, 60vw); margin-bottom: 1rem; }
}

/* ---------------------------------------------------------------------- */
/* reveal-on-scroll                                                       */
/* ---------------------------------------------------------------------- */

.reveal { padding: 7rem 0; }

.reveal-item {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal-item.in-view { opacity: 1; transform: translateY(0); }

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

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

.about .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-photo img {
  border-radius: 20px;
  border: 1px solid var(--border);
  filter: grayscale(0.15);
}

.about-text p {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 58ch;
  margin-bottom: 1.5rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

@media (max-width: 780px) {
  .about .wrap { grid-template-columns: 1fr; }
  .about-photo { max-width: 240px; }
}

/* ---------------------------------------------------------------------- */
/* now: terminal + live github                                            */
/* ---------------------------------------------------------------------- */

.now-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.panel {
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 0.4rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.terminal-bar span {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--border-strong);
}

.terminal-bar span:nth-child(1) { background: #f87171; }
.terminal-bar span:nth-child(2) { background: #fbbf24; }
.terminal-bar span:nth-child(3) { background: #34d399; }

.terminal-body {
  padding: 1.5rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.9;
  min-height: 260px;
  color: var(--text-dim);
}

.terminal-body .prompt { color: var(--cyan); }
.terminal-body .out { color: var(--text); }
.terminal-body .muted { color: var(--text-faint); }

.gh-live .terminal-bar { justify-content: space-between; align-items: center; }
.terminal-bar span.gh-live-label {
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

.gh-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.gh-stat {
  background: var(--bg-elevated);
  padding: 1.1rem 0.75rem;
  text-align: center;
}

.gh-stat b {
  display: block;
  font-family: var(--mono);
  font-size: 1.4rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gh-stat span {
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.gh-recent {
  padding: 1rem 1.25rem 1.25rem;
}

.gh-recent-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.gh-recent-item:last-child { border-bottom: none; }

.gh-recent-item a { color: var(--text); transition: color 0.2s var(--ease); }
.gh-recent-item a:hover { color: var(--cyan); }

.gh-recent-item time { color: var(--text-faint); font-family: var(--mono); font-size: 0.75rem; white-space: nowrap; }

@media (max-width: 860px) {
  .now-grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------- */
/* skills                                                                  */
/* ---------------------------------------------------------------------- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.skill-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.skill-card h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.skill-card .tag-row { margin-top: 0; }

/* ---------------------------------------------------------------------- */
/* projects                                                                */
/* ---------------------------------------------------------------------- */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.5rem;
}

.project-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
}

.project-card:hover::before { opacity: 1; }

.project-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.project-head h3 {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
}

.project-lang {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--violet);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.project-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  flex-grow: 1;
}

.project-link {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s var(--ease), gap 0.2s var(--ease);
}

.project-link:hover { color: var(--cyan); gap: 0.6rem; }

.project-stars {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* ---------------------------------------------------------------------- */
/* contact + footer                                                       */
/* ---------------------------------------------------------------------- */

.contact { text-align: center; }

.contact p {
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 auto 2.25rem;
  font-size: 1.05rem;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  position: relative;
  z-index: 1;
}