* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 34rem),
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.12), transparent 30rem),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.site-shell {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 14px 16px;
  margin: 16px 0 44px;
  border-radius: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  color: #00111e;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--heading);
  line-height: 1.1;
}

.brand small {
  max-width: 230px;
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav {
  justify-self: center;
  display: flex;
  gap: 6px;
  padding: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}

.site-nav a,
.filter-btn,
.pagination button {
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  padding: 10px 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a.active,
.filter-btn:hover,
.filter-btn.active,
.pagination button.active {
  color: var(--heading);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.24), rgba(34, 197, 94, 0.16));
}

.theme-toggle,
.nav-toggle {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: 15px;
  color: var(--heading);
  background: var(--surface-strong);
  cursor: pointer;
}

.theme-toggle {
  font-size: 1.35rem;
  line-height: 1;
}

.theme-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
}

.nav-toggle {
  display: none;
  gap: 4px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

main {
  display: grid;
  gap: 26px;
}

.section,
.hero,
.page-hero,
.cta {
  margin-bottom: 24px;
}

.hero {
  min-height: calc(100vh - 150px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.75fr);
  align-items: center;
  gap: clamp(32px, 5vw, 88px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--heading);
  letter-spacing: 0;
}

h1 {
  max-width: 980px;
  font-size: clamp(3rem, 5.9vw, 6.7rem);
  line-height: 0.94;
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 3.25rem);
  line-height: 1.05;
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--muted);
  line-height: 1.75;
}

.typing-line {
  min-height: 32px;
  color: var(--heading);
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 800;
}

.hero-text {
  max-width: 680px;
  font-size: 1.08rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 13px 20px;
  border: 1px solid var(--border);
  font-weight: 800;
}

.btn.primary {
  color: #00111e;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.btn.ghost {
  color: var(--heading);
  background: var(--surface);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 620px;
  padding: 12px;
  border-radius: 20px;
}

.hero-stats span {
  flex: 1 1 150px;
  padding: 12px;
  color: var(--muted);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-stats strong {
  display: block;
  color: var(--heading);
  font-size: 1.4rem;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.profile-orbit {
  position: relative;
  width: min(78vw, 390px);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(135deg, var(--brand), var(--brand-2), var(--accent)) border-box;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
}

.profile-orbit img {
  width: 78%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  border: 8px solid rgba(255, 255, 255, 0.14);
}

.orbit-dot {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 34px currentColor;
}

.orbit-dot.one { top: 10%; right: 12%; color: var(--brand); }
.orbit-dot.two { bottom: 16%; left: 5%; color: var(--brand-2); background: var(--brand-2); }
.orbit-dot.three { bottom: 8%; right: 18%; color: var(--accent); background: var(--accent); }

.hero-card {
  position: absolute;
  right: 0;
  bottom: 54px;
  width: min(92%, 310px);
  padding: 18px;
  border-radius: 20px;
}

.hero-card strong,
.hero-card small {
  display: block;
}

.hero-card small {
  margin-top: 6px;
  color: var(--muted);
}

.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 999px;
  background: var(--brand-2);
  box-shadow: 0 0 18px var(--brand-2);
}

.split-section,
.page-hero,
.cta,
.resume-layout,
.contact-layout {
  display: grid;
  gap: 28px;
}

.split-section {
  grid-template-columns: 0.8fr 1fr;
  align-items: start;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: flex-end;
  margin-bottom: 26px;
}

.section-heading .eyebrow {
  grid-column: 1;
  margin-bottom: 0;
}

.section-heading h2 {
  grid-column: 1;
  grid-row: 2;
  margin-bottom: 0;
}

.section-heading .text-link {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
  white-space: nowrap;
}

.text-link {
  color: var(--brand);
  font-weight: 800;
}

.card-grid,
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
}

.project-card,
.blog-card,
.skill-card,
.timeline-item,
.resume-panel,
.contact-form,
.contact-card,
.map-card,
.page-hero,
.cta {
  border-radius: var(--radius-lg);
}

.project-card,
.blog-card,
.skill-card {
  overflow: hidden;
  position: relative;
  min-height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.project-card::before,
.blog-card::before,
.skill-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.12), transparent);
  transform: translateX(-120%);
  transition: transform 600ms ease;
}

.project-card:hover::before,
.blog-card:hover::before,
.skill-card:hover::before {
  transform: translateX(120%);
}

.project-card img,
.blog-card img {
  width: 100%;
  height: clamp(210px, 16vw, 300px);
  object-fit: cover;
}

.card-body {
  padding: 20px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.pill,
.tag-cloud span {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.07);
  padding: 7px 10px;
  font-size: 0.78rem;
  font-weight: 800;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.card-actions a {
  color: var(--heading);
  font-weight: 800;
  font-size: 0.92rem;
}

.skill-card {
  padding: 24px;
}

.skill-card span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--brand);
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
}

.page-hero {
  padding: clamp(28px, 6vw, 64px);
}

.page-hero h1 {
  font-size: clamp(2.2rem, 6vw, 4.7rem);
}

.filter-bar,
.blog-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding: 12px;
  border-radius: 20px;
}

.blog-tools input,
.blog-tools select,
.contact-form input,
.contact-form textarea {
  width: 100%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 13px 14px;
  outline: none;
}

.blog-tools input:focus,
.blog-tools select:focus,
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--brand);
}

.search-box {
  flex: 1 1 360px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

.blog-tools select {
  max-width: 260px;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
}

.resume-layout {
  grid-template-columns: minmax(0, 1fr) 380px;
  align-items: start;
}

.timeline-column {
  display: grid;
  gap: 16px;
}

.timeline-item {
  position: relative;
  padding: 24px 24px 24px 30px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 28px;
  bottom: 28px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(var(--brand), var(--brand-2));
}

.timeline-item span {
  color: var(--brand);
  font-weight: 800;
}

.resume-panel {
  padding: 24px;
}

.resume-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0 0 26px;
  list-style: none;
}

.resume-list li {
  display: grid;
  gap: 4px;
}

.resume-list span {
  color: var(--muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.contact-layout {
  grid-template-columns: minmax(0, 1fr) 380px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
}

.contact-panel {
  display: grid;
  gap: 18px;
}

.contact-card {
  padding: 24px;
}

.contact-card a,
.contact-card p {
  display: block;
  margin: 10px 0;
  color: var(--muted);
}

.map-card {
  overflow: hidden;
  height: 320px;
}

.map-card iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(1) contrast(1.05);
}

.about-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.about-photo {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.about-photo img {
  width: 100%;
  height: min(64vh, 680px);
  min-height: 420px;
  object-fit: cover;
}

.about-media-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
  gap: clamp(18px, 2vw, 28px);
  align-items: stretch;
}

.intro-video-card,
.portfolio-deck,
.intro-summary {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: var(--radius-lg);
}

.compact-heading {
  margin-bottom: 18px;
}

.intro-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: 22px;
  object-fit: cover;
  background: var(--bg);
}

.video-fallback {
  display: none;
}

/* ═══════════════════════════════════════════════
   SLIDE DECK — rebuilt with directional transitions,
   pause-on-hover, per-slide visuals, slide counter
   ═══════════════════════════════════════════════ */

.portfolio-deck {
  min-height: 580px;
  padding: 20px;
}

/* Stage container */
.deck-stage {
  position: relative;
  min-height: 440px;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(5, 14, 26, 0.97), rgba(8, 20, 38, 0.96));
  isolation: isolate;
}

/* Subtle dot grid overlay */
.deck-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

/* ── Slide base ── */
.deck-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.9fr);
  gap: 20px;
  align-items: center;
  padding: clamp(20px, 3.5vw, 48px);
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
  transition: opacity 480ms cubic-bezier(0.4, 0, 0.2, 1),
              transform 480ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Directional transition states ── */
/* Resting off-screen states (before becoming active) */
.deck-slide.enter-right {
  transform: translateX(48px) scale(0.97);
  opacity: 0;
}
.deck-slide.enter-left {
  transform: translateX(-48px) scale(0.97);
  opacity: 0;
}

/* Active = on screen */
.deck-slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

/* Exiting — animate away in direction of travel */
.deck-slide.exit-left {
  opacity: 0;
  transform: translateX(-48px) scale(0.97);
  transition: opacity 380ms cubic-bezier(0.4, 0, 0.2, 1),
              transform 380ms cubic-bezier(0.4, 0, 0.2, 1);
}
.deck-slide.exit-right {
  opacity: 0;
  transform: translateX(48px) scale(0.97);
  transition: opacity 380ms cubic-bezier(0.4, 0, 0.2, 1),
              transform 380ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* All visual children stay above the dot grid */
.slide-copy,
.code-panel,
.device-stack,
.git-flow,
.iot-board,
.brand-finale {
  position: relative;
  z-index: 1;
}

/* ── Slide text ── */
.slide-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--brand);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.9;
}

.slide-copy h3 {
  font-size: clamp(1.6rem, 3.2vw, 3.4rem);
  line-height: 1.0;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.slide-copy p {
  font-size: clamp(0.9rem, 1.4vw, 1.02rem);
  line-height: 1.7;
  max-width: 540px;
  color: var(--muted);
}

/* ── SLIDE 1: Code panel ── */
.code-panel {
  display: grid;
  gap: 10px;
  padding: 20px 22px;
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 18px;
  background: rgba(0, 6, 14, 0.72);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.04),
    0 0 40px rgba(56, 189, 248, 0.06);
}

.code-panel .cp-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(0.72rem, 1.15vw, 0.9rem);
  white-space: nowrap;
  overflow: hidden;
}

.cp-ln {
  flex-shrink: 0;
  color: rgba(255,255,255,0.2);
  font-size: 0.7em;
  user-select: none;
}

.cp-kw  { color: #79c0ff; }
.cp-var { color: #e3b341; }
.cp-str { color: #a5d6ff; }
.cp-fn  { color: #d2a8ff; }
.cp-cm  { color: rgba(255,255,255,0.3); font-style: italic; }
.cp-op  { color: #ff7b72; }
.cp-val { color: #56d364; }

.cursor-blink::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 0.95em;
  margin-left: 4px;
  vertical-align: -0.12em;
  background: var(--brand);
  animation: cursor-blink-anim 0.85s step-end infinite;
}

@keyframes cursor-blink-anim {
  0%, 45% { opacity: 1; }
  46%, 100% { opacity: 0; }
}

/* ── SLIDE 2: Device stack ── */
.device-stack {
  position: relative;
  min-height: 280px;
}

.device {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 16px;
  background: rgba(255,255,255,0.07);
  box-shadow: 0 20px 60px rgba(0,0,0,0.38);
  overflow: hidden;
}

/* Fake browser chrome bar */
.device::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 22px;
  background: rgba(255,255,255,0.07);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Fake traffic lights */
.device::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff5f57;
  box-shadow: 10px 0 0 #febc2e, 20px 0 0 #28c840;
}

.device-screen {
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

/* Colorful content stripes inside screen */
.device-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(56,189,248,0.18) 0px, rgba(56,189,248,0.18) 26px,
      transparent 26px, transparent 34px,
      rgba(255,255,255,0.06) 34px, rgba(255,255,255,0.06) 50px,
      transparent 50px, transparent 58px,
      rgba(255,255,255,0.06) 58px, rgba(255,255,255,0.06) 74px,
      transparent 74px, transparent 82px,
      rgba(34,197,94,0.12) 82px, rgba(34,197,94,0.12) 94px
    );
}

.device.desktop {
  width: 72%;
  height: 200px;
  right: 4%;
  top: 20px;
}

.device.tablet {
  width: 34%;
  height: 185px;
  left: 0;
  bottom: 14px;
}

.device.phone {
  width: 18%;
  height: 220px;
  right: 16%;
  bottom: 0;
  border-radius: 22px;
}

.device.phone::before {
  height: 18px;
}

.tech-strip {
  position: absolute;
  left: clamp(20px, 3.5vw, 48px);
  right: clamp(20px, 3.5vw, 48px);
  bottom: 20px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-strip span {
  border: 1px solid rgba(56,189,248,0.3);
  border-radius: 999px;
  padding: 6px 12px;
  color: var(--brand);
  background: rgba(56,189,248,0.09);
  font-weight: 800;
  font-size: 0.78rem;
  font-family: "JetBrains Mono", monospace;
}

/* ── SLIDE 3: Git flow ── */
.git-flow {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 18px;
  background: rgba(0,0,0,0.3);
}

.git-flow-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.git-node {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.git-node.commit  { background: rgba(56,189,248,0.2);  color: #38bdf8; border: 1px solid rgba(56,189,248,0.4); }
.git-node.branch  { background: rgba(245,158,11,0.2);  color: #f59e0b; border: 1px solid rgba(245,158,11,0.4); }
.git-node.merge   { background: rgba(34,197,94,0.2);   color: #22c55e; border: 1px solid rgba(34,197,94,0.4); }
.git-node.deploy  { background: rgba(167,139,250,0.2); color: #a78bfa; border: 1px solid rgba(167,139,250,0.4); }

.git-label {
  flex: 1;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
}

.git-connector {
  width: 2px;
  height: 10px;
  margin-left: 17px;
  border-radius: 999px;
  background: linear-gradient(var(--brand), var(--brand-2));
  opacity: 0.5;
}

/* ── SLIDE 4: IoT board ── */
.iot-board {
  position: relative;
  min-height: 280px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.chip {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 130px;
  aspect-ratio: 1;
  border: 1px solid rgba(56,189,248,0.5);
  border-radius: 24px;
  color: #38bdf8;
  background: linear-gradient(135deg, rgba(56,189,248,0.18), rgba(34,197,94,0.1));
  font-family: "JetBrains Mono", monospace;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow:
    0 0 0 1px rgba(56,189,248,0.15),
    0 0 50px rgba(56,189,248,0.18),
    inset 0 0 20px rgba(56,189,248,0.06);
}

/* Pin rows on chip sides */
.chip::before,
.chip::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 60%;
  width: 8px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(56,189,248,0.6) 0, rgba(56,189,248,0.6) 4px,
    transparent 4px, transparent 9px
  );
}
.chip::before { right: 100%; margin-right: 4px; border-radius: 2px 0 0 2px; }
.chip::after  { left: 100%;  margin-left: 4px;  border-radius: 0 2px 2px 0; }

.signal {
  position: absolute;
  border: 1.5px solid rgba(56,189,248,0.35);
  border-radius: 999px;
  animation: pulse 2.8s ease-in-out infinite;
}

.signal.one   { width: 200px; height: 200px; }
.signal.two   { width: 290px; height: 290px; animation-delay: 0.4s; }
.signal.three { width: 370px; height: 370px; animation-delay: 0.8s; }

/* ── SLIDE 5: Brand finale ── */
.brand-finale {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}

.brand-finale-mark {
  display: grid;
  place-items: center;
  width: min(40vw, 190px);
  aspect-ratio: 1;
  border-radius: 36px;
  color: #00111e;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  box-shadow:
    0 0 0 1px rgba(56,189,248,0.3),
    0 20px 70px rgba(56,189,248,0.32);
  animation: float 3s ease-in-out infinite;
}


.brand-finale-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

.brand-finale-links span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid rgba(56,189,248,0.22);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(56,189,248,0.06);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
}

.brand-finale-links span::before {
  content: "→";
  color: var(--brand);
  font-size: 0.75rem;
}

.brand-finale-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  padding: 10px 22px;
  border-radius: 999px;
  color: #00111e;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-weight: 800;
  font-size: 0.88rem;
  text-decoration: none;
  transition: opacity 180ms;
}

.brand-finale-cta:hover { opacity: 0.85; }

/* ── Deck controls ── */
.deck-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  gap: 12px;
}

.deck-controls-center {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: center;
}

/* NEW: slide counter */
.deck-counter {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.05em;
  min-width: 48px;
  text-align: right;
}

.deck-arrow {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--heading);
  background: rgba(255,255,255,0.06);
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 180ms, border-color 180ms;
}

.deck-arrow:hover {
  background: rgba(56,189,248,0.12);
  border-color: rgba(56,189,248,0.4);
}

.deck-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.deck-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: width 220ms ease, background 220ms ease;
}

.deck-dots button.active {
  width: 24px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}

/* NEW: progress bar — thicker and more visible */
.deck-progress {
  height: 4px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  transition: opacity 280ms;
}

.deck-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transition: opacity 280ms;
}

/* NEW: pause hint text shown on hover */
.deck-pause-hint {
  display: none;
  position: absolute;
  top: 12px;
  right: 14px;
  z-index: 10;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.5);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.deck-stage:hover .deck-pause-hint {
  display: block;
}

/* Slide-specific background accent colours */
.deck-slide[data-slide-index="0"] .slide-kicker { color: #38bdf8; }
.deck-slide[data-slide-index="1"] .slide-kicker { color: #a78bfa; }
.deck-slide[data-slide-index="2"] .slide-kicker { color: #f59e0b; }
.deck-slide[data-slide-index="3"] .slide-kicker { color: #22c55e; }
.deck-slide[data-slide-index="4"] .slide-kicker { color: #38bdf8; }

/* Slide-specific ambient glow behind right panel */
.deck-slide[data-slide-index="0"]::after { background: radial-gradient(circle at 80% 50%, rgba(56,189,248,0.12), transparent 60%); }
.deck-slide[data-slide-index="1"]::after { background: radial-gradient(circle at 80% 50%, rgba(167,139,250,0.12), transparent 60%); }
.deck-slide[data-slide-index="2"]::after { background: radial-gradient(circle at 80% 50%, rgba(245,158,11,0.10), transparent 60%); }
.deck-slide[data-slide-index="3"]::after { background: radial-gradient(circle at 80% 50%, rgba(34,197,94,0.10), transparent 60%); }
.deck-slide[data-slide-index="4"]::after { background: radial-gradient(circle at 50% 50%, rgba(56,189,248,0.14), transparent 55%); }

.deck-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ── Slide 5: full-width layout ── */
.deck-slide.slide-finale {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

/* ── Slide links (kept for compat) ── */
.slide-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.slide-links span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--heading);
  background: rgba(255,255,255,0.09);
  font-weight: 800;
}

.intro-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.about-highlights span {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 12px;
  color: var(--heading);
  background: rgba(255, 255, 255, 0.07);
  font-weight: 800;
}

.cta {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: clamp(24px, 5vw, 42px);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 34px 0 44px;
  color: var(--muted);
}

.site-footer div {
  display: flex;
  gap: 16px;
}

.site-footer a {
  color: var(--heading);
  font-weight: 800;
}

.empty-state {
  grid-column: 1 / -1;
  opacity: 0.75;
  font-size: 0.95rem;
  padding: 1rem;
  border-radius: 14px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto auto;
  }

  .nav-toggle {
    display: grid;
    justify-self: end;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border-radius: 20px;
    padding: 12px;
    background: var(--surface-strong);
  }

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

  .theme-toggle {
    justify-self: end;
  }

  .hero,
  .split-section,
  .about-hero,
  .about-media-grid,
  .resume-layout,
  .contact-layout,
  .cta {
    grid-template-columns: 1fr;
  }

  .deck-slide {
    grid-template-columns: 1fr;
    padding: clamp(16px, 4vw, 28px);
  }

  .device-stack {
    min-height: 200px;
  }

  .device.desktop {
    height: 150px;
  }

  .device.tablet {
    height: 140px;
  }

  .device.phone {
    height: 170px;
  }

  .iot-board {
    min-height: 200px;
  }

  .signal.one   { width: 140px; height: 140px; }
  .signal.two   { width: 200px; height: 200px; }
  .signal.three { width: 260px; height: 260px; }

  .brand-finale-mark {
    width: min(52vw, 130px);
  }

  .deck-counter {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 430px;
  }

  .card-grid,
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1400px) {
  .site-header {
    padding-inline: 24px;
  }

  .section,
  .page-hero,
  .cta {
    margin-bottom: 18px;
  }

  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .blog-grid,
  .skills-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-shell {
    width: min(100% - 20px, var(--max-width));
  }

  .site-header {
    top: 10px;
    gap: 10px;
    margin-bottom: 28px;
    border-radius: 18px;
  }

  .brand small {
    display: none;
  }

  h1 {
    font-size: clamp(2.25rem, 14vw, 3.55rem);
  }

  .card-grid,
  .skills-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-card {
    position: static;
    width: 100%;
    margin-top: -30px;
  }

  .about-photo img {
    height: auto;
    min-height: 0;
  }

  .section-heading,
  .site-footer {
    align-items: flex-start;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .section-heading .eyebrow,
  .section-heading h2,
  .section-heading .text-link {
    grid-column: 1;
    grid-row: auto;
  }

  .blog-tools select {
    max-width: none;
  }

}