/* =============================
   CSS Reset & Variables
   ============================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Warm earthy palette – no blue, no purple */
  --clr-bg:       #f6f1e9;
  --clr-surface:  #ede6d9;
  --clr-surface2: #e3dace;
  --clr-accent:   #bf5430;   /* terracotta / rust */
  --clr-accent-h: #a3431f;   /* darker terracotta on hover */
  --clr-green:    #5a7c3a;   /* sage / olive green */
  --clr-text:     #1d1712;
  --clr-text-mid: #5a5047;
  --clr-text-muted: #8c7f74;
  --clr-border:   #d5ccbf;
  --shadow-sm:    0 2px 8px rgba(30, 20, 10, 0.08);
  --shadow-md:    0 6px 24px rgba(30, 20, 10, 0.11);
  --shadow-lg:    0 16px 48px rgba(30, 20, 10, 0.14);
  --font-mono:    'Fira Code', 'Courier New', monospace;
  --font-sans:    'Inter', 'Segoe UI', sans-serif;
  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   0.28s ease;
  --nav-h:        64px;
}

html { scroll-behavior: smooth; }

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

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover { color: var(--clr-accent-h); }

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

/* =============================
   Navigation
   ============================= */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(246, 241, 233, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  z-index: 1000;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--clr-accent);
  font-weight: 700;
  letter-spacing: 1px;
  text-decoration: none;
  outline: none;
}
.nav-logo:focus-visible {
  outline: none;
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
}

.nav-links a {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color var(--transition);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================
   Hero Section
   ============================= */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 2.5rem 5rem;
  position: relative;
  overflow: hidden;
}

/* Subtle warm texture rings – no AI gradient */
#hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -160px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  border: 80px solid rgba(191, 84, 48, 0.07);
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 60px solid rgba(90, 124, 58, 0.07);
  pointer-events: none;
}

.hero-content {
  max-width: 700px;
  text-align: center;
  position: relative;
}

.hero-greeting {
  font-family: var(--font-mono);
  color: var(--clr-green);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.hero-name {
  font-size: clamp(2.6rem, 6.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 1.25rem;
  color: var(--clr-text);
  letter-spacing: -1px;
}

.hero-name em {
  font-style: normal;
  color: var(--clr-accent);
}

.hero-tagline {
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--clr-text-mid);
  margin-bottom: 2.75rem;
  min-height: 2em;
}

.typed-cursor {
  color: var(--clr-accent);
  animation: blink 1s step-end infinite;
}

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

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

/* =============================
   Buttons
   ============================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.85rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
  box-shadow: 0 4px 16px rgba(191, 84, 48, 0.28);
}
.btn-primary:hover {
  background: var(--clr-accent-h);
  border-color: var(--clr-accent-h);
  color: #fff;
  box-shadow: 0 6px 20px rgba(191, 84, 48, 0.36);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn-outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-1px);
}

/* =============================
   Section Commons
   ============================= */
section { padding: 5.5rem 2.5rem; }

.section-inner {
  max-width: 980px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-green);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.6rem;
  letter-spacing: -0.5px;
  color: var(--clr-text);
}

.section-subtitle {
  color: var(--clr-text-muted);
  font-size: 1rem;
  max-width: 520px;
  margin-bottom: 2.75rem;
  line-height: 1.7;
}

.divider {
  width: 40px;
  height: 3px;
  background: var(--clr-accent);
  border-radius: 2px;
  margin-bottom: 3rem;
}

/* =============================
   About Section
   ============================= */
#about { background: var(--clr-surface); }

.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  align-items: center;
}

.about-avatar-wrap {
  position: relative;
  width: 240px;
  flex-shrink: 0;
}

/* Warm offset frame */
.about-avatar-wrap::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  background: var(--clr-accent);
  opacity: 0.18;
  z-index: 0;
}

.avatar-placeholder {
  width: 240px;
  height: 240px;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
  background: var(--clr-surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  border: 2px solid var(--clr-border);
}

.about-avatar {
  width: 240px;
  height: 240px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  position: relative;
  z-index: 1;
  border: 2px solid var(--clr-border);
}

.about-text p {
  color: var(--clr-text-mid);
  margin-bottom: 1.1rem;
  font-size: 0.975rem;
}
.about-text p:last-of-type { margin-bottom: 0; }

.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.25rem;
  flex-wrap: wrap;
}

.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.3rem;
}

/* =============================
   Skills Section
   ============================= */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.skill-category h3 {
  font-size: 0.88rem;
  color: var(--clr-accent);
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.skill-item { margin-bottom: 1.2rem; }

.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
}

.skill-name  { color: var(--clr-text); font-weight: 500; }
.skill-pct   { color: var(--clr-text-muted); font-family: var(--font-mono); }

.skill-bar-track {
  height: 5px;
  background: var(--clr-surface2);
  border-radius: 3px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--clr-accent);
  width: 0;
  transition: width 1.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.tech-tag {
  padding: 0.3rem 0.85rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
  transition: all var(--transition);
  cursor: default;
}
.tech-tag:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(191, 84, 48, 0.06);
}

/* =============================
   Services Section
   ============================= */
#services { background: var(--clr-surface); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1.4rem;
}

.service-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--clr-accent);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(191, 84, 48, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.1rem;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: var(--clr-text);
}

.service-card p {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* =============================
   Projects Section
   ============================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.4rem;
}

.project-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.project-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--clr-accent);
}

.project-preview {
  height: 148px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-preview-bg {
  position: absolute;
  inset: 0;
}

.project-preview-emoji {
  font-size: 3.2rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.15));
}

.project-body { padding: 1.5rem; }

.project-body h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--clr-text);
}

.project-body p {
  color: var(--clr-text-muted);
  font-size: 0.86rem;
  margin-bottom: 1.2rem;
  line-height: 1.65;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.project-tag {
  padding: 0.2rem 0.65rem;
  background: rgba(191, 84, 48, 0.09);
  border: 1px solid rgba(191, 84, 48, 0.2);
  border-radius: 100px;
  font-size: 0.73rem;
  color: var(--clr-accent);
  font-family: var(--font-mono);
}

.project-links { display: flex; gap: 1.2rem; }

.project-link {
  font-size: 0.84rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--clr-text-muted);
  font-weight: 500;
  transition: color var(--transition);
}
.project-link:hover { color: var(--clr-accent); }

/* =============================
   Contact Section
   ============================= */
#contact { background: var(--clr-surface); }

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info p {
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
  font-size: 0.975rem;
  line-height: 1.7;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
}

.contact-list li a {
  color: var(--clr-text-mid);
  transition: color var(--transition);
}
.contact-list li a:hover { color: var(--clr-accent); }

.contact-icon {
  width: 38px;
  height: 38px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.form-rate-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  margin-top: 0.6rem;
  min-height: 1.1em;
  transition: color var(--transition);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--clr-text);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(191, 84, 48, 0.12);
}

.form-group textarea { min-height: 110px; }

/* =============================
   Footer
   ============================= */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--clr-text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--clr-border);
  background: var(--clr-bg);
}

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

/* =============================
   Scroll-reveal animation
   ============================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================
   Avatar initials
   ============================= */
.avatar-initials {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--clr-accent);
  letter-spacing: -1px;
}

/* =============================
   Service icon code symbols
   ============================= */
.svc-code {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-accent);
  letter-spacing: -0.5px;
}

/* =============================
   Contact icon SVG
   ============================= */
.contact-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--clr-text-muted);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition);
}
.contact-list li:hover .contact-icon svg { stroke: var(--clr-accent); }

/* =============================
   Projects List
   ============================= */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.proj-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.proj-row-alt .proj-meta { order: 2; }
.proj-row-alt .proj-demo  { order: 1; }

.proj-num {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  color: rgba(191, 84, 48, 0.1);
  line-height: 1;
  display: block;
  margin-bottom: 0.3rem;
  letter-spacing: -2px;
  user-select: none;
}

.proj-title {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 800;
  margin-bottom: 0.8rem;
  color: var(--clr-text);
  letter-spacing: -0.3px;
}

.proj-desc {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

/* =============================
   Demo Chrome Frame
   ============================= */
.demo-chrome {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--clr-bg);
  transition: box-shadow var(--transition), transform var(--transition);
}
.demo-chrome:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.demo-chrome-bar {
  height: 34px;
  background: var(--clr-surface2);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--clr-border);
}

.dc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dc-r { background: #ff5f56; }
.dc-y { background: #ffbd2e; }
.dc-g { background: #27c93f; }

.dc-url {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--clr-text-muted);
  margin-left: 0.5rem;
  background: var(--clr-bg);
  padding: 0.18rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--clr-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.demo-chrome-body { padding: 1.25rem; }

/* =============================
   SmartHome Demo
   ============================= */
.demo-smarthome { min-height: 170px; }

.sh-room-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-green);
  margin-bottom: 1rem;
  letter-spacing: 0.3px;
}

.sh-devices {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
}

.sh-device {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--clr-text-mid);
}

.sh-toggle {
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  border: 1px solid var(--clr-border);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  cursor: pointer;
  background: var(--clr-surface);
  color: var(--clr-text-muted);
  transition: all 0.18s;
  user-select: none;
}
.sh-toggle.on {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
  box-shadow: 0 2px 8px rgba(191, 84, 48, 0.25);
}

.sh-temp-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}
.sh-temp-label { font-family: var(--font-mono); white-space: nowrap; }

.sh-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--clr-surface2);
  outline: none;
  cursor: pointer;
}
.sh-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--clr-accent);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(191, 84, 48, 0.3);
}
.sh-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--clr-accent);
  cursor: pointer;
  border: none;
}

.sh-temp-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--clr-accent);
  min-width: 4.5rem;
  text-align: right;
  white-space: nowrap;
}

/* =============================
   Journey Planner Demo
   ============================= */
.demo-journey { padding: 0; }

.jp-svg {
  width: 100%;
  display: block;
  background: #e8e4db;
  height: 150px;
}

.jp-route {
  fill: none;
  stroke: var(--clr-accent);
  stroke-width: 1.8;
  stroke-dasharray: 5,3;
  animation: jp-dash 6s linear infinite;
}
@keyframes jp-dash { to { stroke-dashoffset: -80; } }

.jp-pin-grp circle:not(.jp-pulse) {
  cursor: pointer;
  transition: r 0.2s;
}
.jp-pin-grp:hover circle:not(.jp-pulse),
.jp-pin-grp:focus circle:not(.jp-pulse) { r: 9; }

.jp-pulse { animation: jp-ping 2.5s ease-out infinite; }
@keyframes jp-ping {
  0%   { opacity: 0.3; }
  80%  { opacity: 0; r: 20; }
  100% { opacity: 0; r: 20; }
}

.jp-cost-bar {
  padding: 0.55rem 1rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--clr-text-muted);
  border-top: 1px solid var(--clr-border);
  background: var(--clr-bg);
}

/* =============================
   Inventory – Phone Frame
   ============================= */
.demo-phone-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem 0;
}

.demo-phone-frame {
  width: 200px;
  height: 380px;
  border: 3px solid var(--clr-text);
  border-radius: 30px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  background: var(--clr-bg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.demo-phone-frame:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 24px 60px rgba(30, 20, 10, 0.18);
}

.demo-phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 6px;
  background: var(--clr-text);
  border-radius: 3px;
  z-index: 2;
}

.demo-inventory {
  padding-top: 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.inv-header {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.4rem 0.5rem;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border);
  letter-spacing: 0.3px;
}

.inv-scanner-area {
  padding: 0.75rem;
  background: #0d0d0d;
  flex-shrink: 0;
}

.inv-viewfinder {
  border: 1.5px solid rgba(191, 84, 48, 0.5);
  border-radius: 6px;
  height: 88px;
  position: relative;
  overflow: hidden;
}

.inv-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--clr-accent);
  border-style: solid;
}
.inv-tl { top: -1px; left: -1px;   border-width: 2px 0 0 2px; border-radius: 4px 0 0 0; }
.inv-tr { top: -1px; right: -1px;  border-width: 2px 2px 0 0; border-radius: 0 4px 0 0; }
.inv-bl { bottom: -1px; left: -1px;  border-width: 0 0 2px 2px; border-radius: 0 0 0 4px; }
.inv-br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; border-radius: 0 0 4px 0; }

.inv-scan-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--clr-accent) 50%, transparent 100%);
  animation: inv-scan 2s ease-in-out infinite;
}
@keyframes inv-scan {
  0%   { top: 0; }
  50%  { top: calc(100% - 2px); }
  100% { top: 0; }
}

.inv-items-list {
  flex: 1;
  overflow: hidden;
  padding: 0.4rem;
}

.inv-item {
  font-size: 0.61rem;
  font-family: var(--font-mono);
  padding: 0.3rem 0.35rem;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inv-item-new {
  color: var(--clr-accent);
  background: rgba(191, 84, 48, 0.07);
  animation: inv-flash 1.8s ease-in-out infinite;
}
@keyframes inv-flash {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

/* =============================
   Encrypted Chat Demo
   ============================= */
.demo-chat {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 190px;
}

.ec-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-height: 110px;
  max-height: 150px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border) transparent;
}

.ec-msg {
  padding: 0.38rem 0.72rem;
  border-radius: 12px;
  font-size: 0.77rem;
  max-width: 82%;
  word-break: break-all;
  line-height: 1.45;
}
.ec-right {
  background: var(--clr-accent);
  color: #fff;
  align-self: flex-end;
  border-radius: 12px 12px 3px 12px;
}
.ec-left {
  background: var(--clr-surface2);
  color: var(--clr-text-muted);
  align-self: flex-start;
  font-family: var(--font-mono);
  border-radius: 12px 12px 12px 3px;
}
.ec-system {
  background: transparent;
  color: var(--clr-green);
  font-size: 0.68rem;
  font-family: var(--font-mono);
  align-self: center;
  padding: 0.15rem 0;
}

.ec-input-row {
  display: flex;
  gap: 0.45rem;
  flex-shrink: 0;
}

.ec-input {
  flex: 1;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  font-size: 0.78rem;
  font-family: var(--font-sans);
  background: var(--clr-surface);
  color: var(--clr-text);
  outline: none;
  transition: border-color var(--transition);
  min-width: 0;
}
.ec-input:focus { border-color: var(--clr-accent); }

.ec-send-btn {
  padding: 0.4rem 0.8rem;
  background: var(--clr-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-family: var(--font-mono);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
  flex-shrink: 0;
}
.ec-send-btn:hover { background: var(--clr-accent-h); }

/* =============================
   Portfolio Mini Demo
   ============================= */
.demo-portfolio {
  min-height: 165px;
  padding: 0.85rem 1rem;
  user-select: none;
}

.dp-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 1.2rem;
}
.dp-logo {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--clr-accent);
}
.dp-links {
  display: flex;
  gap: 1rem;
  font-size: 0.65rem;
  color: var(--clr-text-muted);
}

.dp-hero { text-align: center; }
.dp-greeting {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--clr-green);
  margin-bottom: 0.35rem;
}
.dp-name {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--clr-text);
  margin-bottom: 0.45rem;
  letter-spacing: -0.5px;
}
.dp-name em {
  font-style: normal;
  color: var(--clr-accent);
  font-size: 0.82em;
}
.dp-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clr-text-muted);
}

/* =============================
   WIP Badge
   ============================= */
.proj-wip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--clr-green);
  background: color-mix(in srgb, var(--clr-green) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr-green) 30%, transparent);
  border-radius: 4px;
  padding: 0.15em 0.55em;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

/* =============================
   Reservation App Demo
   ============================= */
.demo-reservation {
  min-height: 165px;
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.res-date-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clr-green);
}

.res-slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
}

.res-slot {
  background: color-mix(in srgb, var(--clr-green) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr-green) 30%, transparent);
  color: var(--clr-text);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.38rem 0.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.res-slot:hover:not(:disabled) {
  background: color-mix(in srgb, var(--clr-green) 24%, transparent);
  border-color: color-mix(in srgb, var(--clr-green) 50%, transparent);
}
.res-slot:disabled {
  background: var(--clr-surface-2);
  border-color: var(--clr-border);
  color: var(--clr-text-muted);
  cursor: not-allowed;
  opacity: 0.55;
}
.res-slot.res-slot-sel {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
  font-weight: 600;
}

.res-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.62rem;
  font-family: var(--font-mono);
}
.res-leg::before { content: '\25A0 '; }
.res-leg-taken { color: var(--clr-text-muted); }
.res-leg-sel   { color: var(--clr-accent); }
.res-leg-free  { color: var(--clr-green); }

/* =============================
   Responsive – Tablet
   ============================= */
@media (max-width: 860px) {
  .about-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .about-avatar-wrap { margin: 0 auto; }

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

  .proj-row,
  .proj-row.proj-row-alt {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .proj-row-alt .proj-meta { order: 1; }
  .proj-row-alt .proj-demo  { order: 2; }

  .demo-phone-frame { width: 175px; height: 330px; }
}

/* =============================
   Responsive – Mobile
   ============================= */
@media (max-width: 640px) {
  #navbar { padding: 0 1.25rem; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    width: 100%;
    background: var(--clr-surface);
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    border-bottom: 1px solid var(--clr-border);
    transform: translateY(-120%);
    transition: transform var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateY(0); }

  .hamburger { display: flex; }

  section { padding: 3.5rem 1.25rem; }

  #hero::before,
  #hero::after { display: none; }

  .projects-list { gap: 3.5rem; }
  .dc-url { max-width: 120px; }
}