/* ============================================================
   FONTS & TOKENS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg:          #080808;
  --bg-1:        #0f0f0f;
  --bg-2:        #141414;
  --bg-3:        #1a1a1a;
  --border:      #222222;
  --border-soft: #1a1a1a;
  --text:        #e2e2e2;
  --text-muted:  #555555;
  --text-dim:    #333333;
  --accent:      #e2e2e2;
  --white:       #ffffff;

  --font-sans:  'Space Grotesk', system-ui, sans-serif;
  --font-mono:  'Space Mono', 'Courier New', monospace;

  --r-sm:   6px;
  --r-md:   12px;
  --r-lg:   18px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

/* ============================================================
   RESET
   ============================================================ */

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img, svg { display: block; }

/* ============================================================
   SCROLLBAR
   ============================================================ */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 7rem 0;
  border-top: 1px solid var(--border-soft);
}

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 3rem;
  color: var(--white);
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAV
   ============================================================ */

#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  transition: background 0.3s, border-bottom 0.3s;
}

#nav.scrolled {
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--white);
}

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

.nav-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

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

/* ============================================================
   HERO
   ============================================================ */

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: 1.75rem;
  color: var(--white);
}

.hero-title .line { display: block; }

.hero-title .accent {
  color: var(--text-muted);
  font-weight: 300;
  font-style: italic;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 420px;
}

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

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--white);
  color: var(--bg);
  border-color: var(--white);
}

.btn-primary:hover {
  background: var(--text);
  border-color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--white);
  border-color: var(--text-dim);
}

/* ============================================================
   TERMINAL (hero)
   ============================================================ */

.hero-terminal {
  display: flex;
  justify-content: flex-end;
}

.terminal {
  width: 100%;
  max-width: 440px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.terminal-dots span:nth-child(1) { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #febc2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }

.terminal-path {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.25rem 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.75;
  min-height: 160px;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}

.p {
  color: var(--text-muted);
  user-select: none;
  flex-shrink: 0;
}

.term-cursor {
  color: var(--text-muted);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.terminal-output {
  margin-top: 0.25rem;
  color: var(--text-muted);
  white-space: pre-wrap;
}

/* ============================================================
   ABOUT
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-left h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--white);
}

.about-right p {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-right p:last-of-type { margin-bottom: 1.5rem; }

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

.about-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-muted);
  background: var(--bg-1);
}

/* ============================================================
   PROJECTS
   ============================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.project-card {
  position: relative;
  background: var(--bg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.25s;
}

.project-card:hover { background: var(--bg-1); }

.project-card.ghost {
  align-items: center;
  justify-content: center;
  min-height: 180px;
}

.ghost-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.pc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pc-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.pc-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.pc-status.live {
  color: #4ade80;
  border-color: rgba(74, 222, 128, 0.2);
  background: rgba(74, 222, 128, 0.05);
}

.pc-status.private {
  color: var(--text-dim);
}

.pc-status.ongoing {
  color: #94a3b8;
  border-color: rgba(148, 163, 184, 0.2);
}

.project-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.02em;
}

.project-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.pc-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.pc-stack span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-muted);
}

.pc-links { display: flex; gap: 1rem; flex-wrap: wrap; }

.pc-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-top: auto;
  transition: opacity 0.2s;
}

.pc-link:hover { opacity: 0.7; }

.pc-link.muted {
  color: var(--text-dim);
  cursor: default;
}

.pc-link.muted:hover { opacity: 1; }

/* ============================================================
   CONTACT
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-left h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1rem;
}

.contact-left p {
  font-size: 0.975rem;
  color: var(--text-muted);
}

.contact-right {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  transition: background 0.2s;
}

.contact-card:hover { background: var(--bg-1); }

.contact-card-inner {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-platform {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-handle {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--white);
}

.contact-arrow {
  font-size: 1rem;
  color: var(--text-muted);
  transition: transform 0.2s, color 0.2s;
}

.contact-card:hover .contact-arrow {
  transform: translateX(4px);
  color: var(--white);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-soft);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 7rem;
  }

  .hero-terminal { justify-content: flex-start; }
  .terminal { max-width: 100%; }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .projects-grid { grid-template-columns: 1fr; }

  .nav-links { display: none; }

  .section { padding: 4.5rem 0; }
}