/* ═══════════════════════════════════════════════════════════
   Nick Cross Portfolio | style.css
   Dark theme · Neon accent · Glassmorphism · Smooth animations
   ═══════════════════════════════════════════════════════════ */

/* ─── RESET & CUSTOM PROPERTIES ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent:       #00f5d4;
  --accent-dim:   #00c4aa;
  --accent-glow:  rgba(0, 245, 212, 0.18);
  --accent2:      #7c3aed;
  --bg:           #050b12;
  --bg2:          #090f18;
  --bg3:          #0d1520;
  --glass:        rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text:         #e2e8f0;
  --text-muted:   #64748b;
  --text-dim:     #94a3b8;
  --radius:       12px;
  --radius-lg:    20px;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
  --font-sans:    'Inter', system-ui, sans-serif;
  --nav-h:        68px;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ─── CANVAS BG ─── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* ─── GLOBAL UTILS ─── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* ─── REVEAL ANIMATIONS ─── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #05080d;
}
.btn-primary:hover {
  background: #fff;
  box-shadow: 0 0 24px var(--accent-glow), 0 0 48px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
  background: var(--accent);
  color: #05080d;
  font-weight: 700;
  border-radius: 8px;
}
.btn-sm:hover {
  background: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}

.full-width { width: 100%; justify-content: center; }

/* ─── NAVBAR ─── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: rgba(5, 11, 18, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
#navbar.scrolled {
  border-bottom-color: var(--glass-border);
  background: rgba(5, 11, 18, 0.92);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── MOBILE MENU ─── */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(5, 11, 18, 0.98);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 99;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu ul {
  list-style: none;
  padding: 20px 0;
}
.mobile-menu ul li a {
  display: block;
  padding: 14px 40px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-menu ul li a:hover {
  color: var(--accent);
  padding-left: 52px;
}

/* ─── SECTIONS ─── */
section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

#hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding-left: 80px;
  padding-right: 80px;
  overflow: hidden;
}

.section-header { margin-bottom: 64px; }
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.section-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 64px;
  margin-top: -40px;
}

/* ─── HERO ─── */
.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 99px;
  padding: 6px 16px;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 28px;
}
.tag-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,245,212,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(0,245,212,0); }
}

.hero-name {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-typed-wrap {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--accent);
  margin-bottom: 24px;
  min-height: 2em;
  display: flex;
  align-items: center;
  gap: 2px;
}
.typed-prefix { color: var(--text-muted); }
.cursor {
  animation: blink 1s steps(1) infinite;
  color: var(--accent);
}
@keyframes blink { 50% { opacity: 0; } }

.hero-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-top {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--glass-border);
}

/* ─── HERO TERMINAL ─── */
.hero-terminal {
  flex: 0 0 440px;
  background: rgba(9, 15, 24, 0.9);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0, 245, 212, 0.06), 0 32px 64px rgba(0,0,0,0.4);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--glass-border);
}
.t-dot { width: 12px; height: 12px; border-radius: 50%; }
.t-dot.red    { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green  { background: #28c840; }
.t-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
}
.t-line { white-space: pre; }
.t-prompt { color: var(--accent); margin-right: 6px; }
.t-cmd { color: #e2e8f0; }
.t-out { color: var(--text-muted); }
.t-json { color: #7dd3fc; }
.t-success { color: #4ade80; }
.t-cursor { animation: blink 1s steps(1) infinite; color: var(--accent); }

/* ─── ABOUT ─── */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.85;
}

.about-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.chip-link {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 99px;
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: var(--transition);
  font-weight: 500;
}
.chip-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.about-card:hover {
  border-color: rgba(0,245,212,0.25);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,245,212,0.05);
}
.card-icon { width: 2.1rem; height: 2.1rem; margin-bottom: 14px; color: var(--accent); }
.card-icon svg { width: 100%; height: 100%; }
.about-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.about-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ─── SKILLS STACK ─── */
#skills { background: var(--bg); }

.stack-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.55;
  margin-bottom: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.hint-sep { color: var(--accent); opacity: 0.4; }

/* ── Scene & Stage ── */
.stack-scene {
  perspective: 1000px;
  perspective-origin: 50% 28%;
  position: relative;
  padding: 16px 0 80px;
  user-select: none;
}

.stack-glow-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(ellipse, var(--orb-color, rgba(0,245,212,0.05)) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
  transition: background 0.7s ease;
}

.stack-stage {
  transform-style: preserve-3d;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Category colour tokens ── */
.s-layer[data-cat="frontend"] { --cat: 0, 245, 212;  --cat-hex: #00f5d4; }
.s-layer[data-cat="backend"]  { --cat: 79, 195, 247; --cat-hex: #4fc3f7; }
.s-layer[data-cat="devops"]   { --cat: 206, 147, 216;--cat-hex: #ce93d8; }
.s-layer[data-cat="tools"]    { --cat: 255, 183, 77; --cat-hex: #ffb74d; }

/* ── Layer card ── */
.s-layer {
  transform-style: preserve-3d;
  position: relative;
  transform: translateZ(0px);
  transition:
    transform  0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity    0.4s ease;
  cursor: pointer;
}

.s-layer-body {
  background: rgba(9, 15, 24, 0.80);
  border: 1px solid rgba(var(--cat), 0.15);
  border-radius: 16px;
  padding: 22px 30px 26px;
  backdrop-filter: blur(18px);
  position: relative;
  overflow: hidden;
  transition:
    border-color  0.35s ease,
    box-shadow    0.35s ease,
    background    0.35s ease;
}

/* subtle scanlines */
.s-layer-body::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,0.025) 3px, rgba(0,0,0,0.025) 4px
  );
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
}

/* light sweep shimmer on hover */
.s-layer-body::after {
  content: '';
  position: absolute;
  inset: 0;
  top: 0; left: -100%;
  width: 55%; height: 100%;
  background: linear-gradient(
    105deg, transparent 0%, rgba(var(--cat), 0.06) 50%, transparent 100%
  );
  transition: left 0.65s ease;
  pointer-events: none;
  z-index: 1;
}
.s-layer:hover .s-layer-body::after,
.s-layer.focused .s-layer-body::after { left: 150%; }


.s-layer:hover .s-layer-body,
.s-layer.focused .s-layer-body {
  border-color: rgba(var(--cat), 0.42);
  background: rgba(9, 15, 24, 0.93);
  box-shadow:
    0 0 0 1px rgba(var(--cat), 0.10),
    0 18px 52px rgba(0,0,0,0.45),
    0 0 48px rgba(var(--cat), 0.08),
    inset 0 1px 0 rgba(var(--cat), 0.12);
}

/* focused state – pops forward in 3D */
.s-layer.focused {
  transform: translateZ(72px);
}
.s-layer.focused .s-layer-body {
  border-color: rgba(var(--cat), 0.55);
  box-shadow:
    0 0 0 1px rgba(var(--cat), 0.22),
    0 28px 72px rgba(0,0,0,0.6),
    0 0 70px rgba(var(--cat), 0.13);
}

/* dimmed siblings */
.s-layer.dimmed {
  transform: translateZ(-20px);
  opacity: 0.22;
  pointer-events: none;
}

/* Slight hover lift on non-focused, non-dimmed layers */
.s-layer:hover:not(.focused):not(.dimmed) {
  transform: translateZ(26px);
}

/* ── 3D depth faces ── */
/* Give each card visible physical thickness when the stage is tilted      */
.s-layer::before,
.s-layer::after {
  content: '';
  position: absolute;
  pointer-events: none;
  backface-visibility: hidden;
  opacity: 0;
  transition: opacity 0.65s ease var(--stagger, 0s);
}
.s-layer.stack-visible::before,
.s-layer.stack-visible::after { opacity: 1; }

/* Left face – visible because stage rotateY brings left side toward viewer */
.s-layer::before {
  top: 8px; bottom: 8px;
  left: 0;
  width: 22px;
  transform-origin: left center;
  transform: rotateY(-90deg);
  background: linear-gradient(
    to left,
    rgba(var(--cat), 0.55) 0%,
    rgba(var(--cat), 0.06) 100%
  );
  border-radius: 8px 0 0 8px;
}

/* Top face – visible because stage rotateX tilts top away from viewer */
.s-layer::after {
  top: 0;
  left: 10px; right: 10px;
  height: 22px;
  transform-origin: top center;
  transform: rotateX(-90deg);
  background: linear-gradient(
    to bottom,
    rgba(var(--cat), 0.72) 0%,
    rgba(var(--cat), 0.06) 100%
  );
  border-radius: 0 0 8px 8px;
}

/* entry animation states */
.s-layer-body { opacity: 0; transform: translateY(36px); }
.s-layer.stack-visible .s-layer-body {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity   0.65s ease var(--stagger, 0s),
    transform 0.65s cubic-bezier(0.34, 1.56, 0.64, 1) var(--stagger, 0s),
    border-color 0.35s ease,
    box-shadow   0.35s ease,
    background   0.35s ease;
}

/* ── Layer header ── */
.s-layer-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}

.s-layer-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(var(--cat), 1);
  box-shadow: 0 0 10px rgba(var(--cat), 0.9), 0 0 20px rgba(var(--cat), 0.4);
  flex-shrink: 0;
  animation: dot-pulse 2.6s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%, 100% { transform: scale(1);   opacity: 1; box-shadow: 0 0 10px rgba(var(--cat), 0.9), 0 0 20px rgba(var(--cat), 0.4); }
  50%       { transform: scale(1.4); opacity: 0.7; box-shadow: 0 0 16px rgba(var(--cat), 0.6), 0 0 30px rgba(var(--cat), 0.2); }
}

.s-layer-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(var(--cat), 1);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  position: relative;
  z-index: 2;
}

.s-layer-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: rgba(var(--cat), 0.40);
  font-weight: 400;
  position: relative;
  z-index: 2;
}

/* ── Skill chips ── */
.s-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  position: relative;
  z-index: 2;
}

.s-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 99px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: default;
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: chip-float var(--float-dur, 3s) ease-in-out infinite;
  animation-delay: var(--float-delay, 0s);
}
@keyframes chip-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-3px); }
}

.s-chip:hover {
  border-color: rgba(var(--cat), 0.75);
  color: rgba(var(--cat), 1);
  background: rgba(var(--cat), 0.10);
  transform: translateY(-5px) scale(1.07);
  box-shadow:
    0 8px 28px rgba(var(--cat), 0.28),
    0 0 0 1px rgba(var(--cat), 0.3),
    inset 0 1px 0 rgba(var(--cat), 0.15);
  animation-play-state: paused;
}

.s-chip i {
  font-size: 1.05em;
  vertical-align: middle;
  flex-shrink: 0;
}
.s-chip .chip-svg {
  width: 1.05em;
  height: 1.05em;
  vertical-align: middle;
  flex-shrink: 0;
  display: inline-block;
}

/* ─── PROJECTS ─── */
#projects { background: var(--bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.project-card.featured {
  grid-column: span 3;
}

.project-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.project-card:hover {
  border-color: rgba(0,245,212,0.25);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 0 32px rgba(0,245,212,0.04);
}
.project-glow {
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(0,245,212,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.project-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 99px;
  background: rgba(0,245,212,0.12);
  color: var(--accent);
  border: 1px solid rgba(0,245,212,0.25);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.project-badge.alt {
  background: rgba(124,58,237,0.12);
  color: #a78bfa;
  border-color: rgba(124,58,237,0.25);
}

.project-links { display: flex; gap: 12px; }
.proj-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  transition: var(--transition);
}
.proj-link svg { width: 16px; height: 16px; }
.proj-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.1);
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.featured .project-title { font-size: 1.6rem; }

.project-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.75;
  flex: 1;
}

.project-tech { display: flex; flex-wrap: wrap; gap: 8px; }

/* Tech badges */
.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 6px;
  font-weight: 600;
}
.badge.go       { background: rgba(0,173,216,0.15); color: #67e3ff; border: 1px solid rgba(0,173,216,0.25); }
.badge.react    { background: rgba(97,218,251,0.12); color: #61dafb; border: 1px solid rgba(97,218,251,0.2); }
.badge.next     { background: rgba(200,200,200,0.1); color: #e2e2e2; border: 1px solid rgba(200,200,200,0.15); }
.badge.ts       { background: rgba(49,120,198,0.15); color: #7cb9ff; border: 1px solid rgba(49,120,198,0.22); }
.badge.node     { background: rgba(104,160,99,0.15); color: #84cc7b; border: 1px solid rgba(104,160,99,0.22); }
.badge.postgres { background: rgba(50,103,168,0.15); color: #79abff; border: 1px solid rgba(50,103,168,0.25); }
.badge.redis    { background: rgba(215,58,42,0.12);  color: #ff8a7b; border: 1px solid rgba(215,58,42,0.2); }
.badge.docker   { background: rgba(0,130,200,0.12);  color: #5ab8ff; border: 1px solid rgba(0,130,200,0.2); }
.badge.k8s      { background: rgba(50,100,220,0.12); color: #8cb4ff; border: 1px solid rgba(50,100,220,0.2); }
.badge.tf       { background: rgba(96,58,210,0.15);  color: #c4a2ff; border: 1px solid rgba(96,58,210,0.22); }
.badge.aws      { background: rgba(255,153,0,0.12);  color: #ffbc55; border: 1px solid rgba(255,153,0,0.2); }
.badge.argo     { background: rgba(0,200,150,0.12);  color: #5fffd9; border: 1px solid rgba(0,200,150,0.2); }
.badge.prom     { background: rgba(230,90,35,0.12);  color: #ffaa7a; border: 1px solid rgba(230,90,35,0.2); }

.project-metrics {
  display: flex;
  gap: 32px;
  padding-top: 8px;
  border-top: 1px solid var(--glass-border);
}
.metric { display: flex; flex-direction: column; gap: 2px; }
.m-value { font-size: 1.3rem; font-weight: 800; color: var(--accent); }
.m-label { font-size: 0.72rem; color: var(--text-muted); }

/* ─── DEVOPS ─── */
#devops { background: var(--bg); }

.pipeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 64px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.pipeline-step {
  flex: 1;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 28px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-right: none;
  transition: var(--transition);
}
.pipeline-step:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.pipeline-step:last-child  {
  border-right: 1px solid var(--glass-border);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.pipeline-step:hover {
  background: rgba(0,245,212,0.04);
  border-color: rgba(0,245,212,0.2);
  z-index: 1;
}

.ps-icon { width: 2.4rem; height: 2.4rem; margin-bottom: 12px; color: var(--accent); }
.ps-icon svg { width: 100%; height: 100%; }
.ps-content h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; color: var(--accent); }
.ps-content p { font-size: 0.75rem; color: var(--text-muted); line-height: 1.5; }
.ps-arrow {
  position: absolute;
  right: -16px; top: 50%;
  transform: translateY(-50%);
  width: 32px; height: 32px;
  background: var(--bg3);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: var(--accent);
  z-index: 2;
}
.ps-arrow.last { right: -16px; }

.infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.infra-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.infra-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,245,212,0.2);
  box-shadow: 0 12px 32px rgba(0,245,212,0.05);
}
.infra-icon { width: 2.8rem; height: 2.8rem; margin-bottom: 12px; color: var(--accent); }
.infra-icon svg { width: 100%; height: 100%; }
.infra-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.infra-card p  { font-size: 0.8rem; color: var(--text-muted); line-height: 1.55; }

/* ─── CONTACT ─── */
#contact { background: var(--bg2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.c-icon { width: 1.3rem; height: 1.3rem; flex-shrink: 0; margin-top: 5px; color: var(--accent); }
.c-icon svg { width: 100%; height: 100%; }
.c-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.c-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}
a.c-value:hover { color: var(--accent); }

/* ─── CONTACT FORM ─── */
.contact-form {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,245,212,0.08);
}
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248,113,113,0.08);
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(0,245,212,0.08);
  border: 1px solid rgba(0,245,212,0.25);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--accent);
}
.form-success.show { display: flex; }

/* ─── FOOTER ─── */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg);
  border-top: 1px solid var(--glass-border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
}
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.devsec-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 28px;
  padding: 10px 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  #hero {
    flex-direction: column;
    padding: 120px 40px 80px;
    text-align: center;
    align-items: center;
  }
  .hero-content { max-width: 100%; }
  .hero-terminal { flex: none; width: 100%; max-width: 480px; animation: none; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-typed-wrap { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card.featured { grid-column: span 2; }
  .infra-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .stack-scene { perspective: 800px; }
  .stack-stage { max-width: 100%; }
}

@media (max-width: 768px) {
  #navbar { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  #navbar .btn-sm { display: none; }

  #hero { padding: 100px 24px 60px; }
  section { padding: 80px 0; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .infra-grid { grid-template-columns: 1fr 1fr; }

  .pipeline { flex-direction: column; }
  .pipeline-step {
    border-right: 1px solid var(--glass-border);
    border-bottom: none;
    flex-direction: row;
    gap: 16px;
    text-align: left;
  }
  .pipeline-step:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .pipeline-step:last-child  { border-bottom: 1px solid var(--glass-border); border-radius: 0 0 var(--radius) var(--radius); }
  .ps-arrow { right: auto; bottom: -16px; top: auto; left: 50%; transform: translateX(-50%) rotate(90deg); }
  .ps-arrow.last { transform: translateX(-50%); }

  .about-cards { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .footer-inner { flex-direction: column; text-align: center; }

  /* stack: flatten tilt on small screens */
  .stack-scene { perspective: none; }
  .stack-stage { transform: none !important; }
  .s-layer.focused { transform: none; }
  .s-layer.dimmed  { transform: none; opacity: 0.35; }
  .s-layer:hover:not(.focused):not(.dimmed) { transform: none; }
  .s-layer::before, .s-layer::after { display: none; }
  .s-chip { font-size: 0.72rem; padding: 6px 12px; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.6rem; }
  .infra-grid { grid-template-columns: 1fr; }
  .project-metrics { flex-wrap: wrap; gap: 16px; }
}

/* ─── SELECTION ─── */
::selection { background: rgba(0,245,212,0.2); color: var(--text); }