/* =====================================================
   GAVIN-KAI VIDA — Personal Website
   Blueprint Theme / REV.1 / 2026
   ===================================================== */

/* === RESET & TOKENS === */

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

:root {
  --bg:         #060a10;
  --bg-card:    #0b1422;
  --bg-card-h:  #0f1a2e;
  --cyan:       #00c8e8;
  --cyan-dim:   rgba(0, 200, 232, 0.25);
  --cyan-glow:  rgba(0, 200, 232, 0.10);
  --cyan-faint: rgba(0, 200, 232, 0.05);
  --orange:     #ff6b2b;
  --orange-dim: rgba(255, 107, 43, 0.12);
  --green:      #3ddc84;
  --text:       #c8d8e4;
  --text-dim:   #6a8a9e;
  --text-bright:#e8f4f8;
  --border:     rgba(0, 200, 232, 0.15);
  --border-h:   rgba(0, 200, 232, 0.40);
  --grid:       rgba(0, 180, 220, 0.045);
  --mono:       'Space Mono', monospace;
  --sans:       'Inter', sans-serif;
  --cond:       'Barlow Condensed', sans-serif;
}

html { scroll-behavior: smooth; }

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

/* Blueprint grid — always visible behind everything */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}


/* =====================================================
   INTRO OVERLAY
   ===================================================== */

.intro-overlay {
  position: fixed;
  inset: 0;
  background: #030508;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.9s ease, visibility 0.9s ease;
}

.intro-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Subtler grid inside intro */
.intro-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 160, 200, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 160, 200, 0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: introGridIn 1.2s ease forwards;
}

@keyframes introGridIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.skip-btn {
  position: absolute;
  top: 24px;
  right: 28px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 8px 18px;
  cursor: pointer;
  z-index: 10;
  transition: border-color 0.2s, color 0.2s;
  opacity: 0;
  animation: fadeUp 0.4s ease 0.5s forwards;
}

.skip-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Enter button — appears after all animations complete, waits for click */
.enter-btn {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: none;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  padding: 14px 40px;
  cursor: pointer;
  z-index: 10;
  opacity: 0;
  animation: fadeUp 0.6s ease 5.2s forwards;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.enter-btn:hover {
  background: var(--cyan);
  color: var(--bg);
}

/* Intro stage — contains SVG + annotations */
.intro-stage {
  position: relative;
  width: min(820px, 96vw);
  aspect-ratio: 8 / 5;
}

/* ---- Blueprint SVG ---- */
.blueprint-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* All stroked SVG elements start invisible */
.bp {
  stroke: var(--cyan);
  stroke-width: 1;
  fill: none;
  opacity: 0;
}

/* Stroke-draw animation */
@keyframes drawStroke {
  from { stroke-dashoffset: var(--len, 3000); opacity: 0; }
  to   { stroke-dashoffset: 0; opacity: var(--op, 0.55); }
}

/* Delay buckets — JS sets --len on each element via inline style */
.bp-border        { --op:0.45; animation: drawStroke 0.7s ease 0.3s  both; }
.bp-border-inner  { --op:0.30; animation: drawStroke 0.5s ease 0.7s  both; }
.bp-corner        { --op:0.55; animation: drawStroke 0.4s ease 1.0s  both; }
.bp-titleblock    { --op:0.45; animation: drawStroke 0.6s ease 1.2s  both; }
.bp-cross         { --op:0.30; stroke-dasharray: 10 5; animation: drawStroke 0.9s ease 1.5s both; }
.bp-circle-lg     { --op:0.55; animation: drawStroke 1.1s ease 1.9s  both; }
.bp-circle-md     { --op:0.40; animation: drawStroke 0.8s ease 2.6s  both; }
.bp-circle-sm     { --op:0.35; animation: drawStroke 0.6s ease 3.1s  both; }
.bp-circle-dot    { fill: var(--cyan); --op:0.70; animation: drawStroke 0.3s ease 3.5s both; }
.bp-dim           { --op:0.40; animation: drawStroke 0.5s ease 3.6s  both; }
.bp-leader        { --op:0.60; animation: drawStroke 0.4s ease 3.9s  both; }
.bp-leader-dot    { fill: var(--cyan); --op:0.80; animation: drawStroke 0.2s ease 4.1s both; }
.bp-arrow         { fill: var(--cyan); --op:0.50; animation: drawStroke 0.3s ease 4.2s both; }

/* ---- Floating annotations ---- */
.ann {
  position: absolute;
  font-family: var(--mono);
  opacity: 0;
  animation: fadeUp 0.5s ease forwards;
}

.ann-key {
  display: block;
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 3px;
}

.ann-val {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.ann-dim-val {
  display: block;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* Annotation positions — coordinates match SVG leader line endpoints.
   SVG viewBox is 800×500; stage is aspect-ratio 8:5, so % maps directly.

   Leader endpoints:
     top callout  → SVG (545, 105) = 68.1%, 21%
     mid callout  → SVG (545, 305) = 68.1%, 61%
     left leader  → SVG (140,  60) = 17.5%, 12%  (text sits left of line)
   Dim lines:
     horizontal   → center SVG (285, 358) = 35.6%, 71.6%
     vertical     → center SVG (437, 215) = 54.6%, 43%
   Title block    → SVG (555, 360) = 69.4%, 72%
*/
.ann-top-left {
  top: 10%;
  left: 2%;
  max-width: 16%;
  animation-delay: 4.0s;
}

.ann-callout-top {
  top: 18%;
  left: 68.5%;
  animation-delay: 4.2s;
}

.ann-callout-mid {
  top: 58%;
  left: 68.5%;
  animation-delay: 4.4s;
}

.ann-dim-h {
  top: 72%;
  left: 22%;
  animation-delay: 4.5s;
}

.ann-dim-v {
  top: 32%;
  left: 54.5%;
  writing-mode: vertical-rl;
  animation-delay: 4.5s;
}

.ann-titleblock {
  top: 72%;
  left: 69.5%;
  width: 26.5%;
  display: flex;
  flex-direction: column;
  gap: 1px;
  animation-delay: 4.6s;
}

.ann-tb-name {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 0.06em;
}

.ann-tb-sub {
  display: block;
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* =====================================================
   NAVIGATION
   ===================================================== */

#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  background: rgba(6, 10, 16, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transition: opacity 0.5s ease;
}

#nav.visible { opacity: 1; }

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-bright);
  text-decoration: none;
  letter-spacing: 0.12em;
  flex-shrink: 0;
}

.nav-rev {
  color: var(--text-dim);
  font-size: 10px;
}

.nav-links {
  display: flex;
  gap: 28px;
  flex: 1;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-cta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid var(--cyan);
  padding: 6px 16px;
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--cyan);
  color: var(--bg);
}


/* =====================================================
   SHARED SECTION STYLES
   ===================================================== */

section {
  position: relative;
  z-index: 1;
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Full-width rule between sections */
section + section {
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--orange);
  margin-bottom: 20px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 48px;
}

.section-header h2 {
  font-family: var(--cond);
  font-size: clamp(38px, 5.5vw, 60px);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.header-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border-h), transparent);
}

.section-intro {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 580px;
  margin-top: -24px;
  margin-bottom: 48px;
}


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

#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-top: 100px;
  border-top: none;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(0, 200, 232, 0.06) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: 24px;
}

.hero-name {
  font-family: var(--cond);
  font-size: clamp(72px, 11vw, 130px);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.01em;
  color: var(--text-bright);
  margin-bottom: 28px;
}

.hero-name-outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
  text-stroke: 2px var(--cyan);
}

.hero-tagline {
  font-size: clamp(18px, 2.5vw, 22px);
  color: var(--text-dim);
  font-weight: 300;
  line-height: 1.55;
  margin-bottom: 32px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.tag-accent {
  border-color: rgba(0, 200, 232, 0.4);
  color: var(--cyan);
  background: var(--cyan-faint);
}

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

.btn-primary {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--bg);
  background: var(--cyan);
  padding: 14px 28px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--text-bright);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 14px 28px;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Hero photo */
.hero-photo-wrap {
  margin-bottom: 24px;
}

.hero-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid var(--cyan);
  outline: 4px solid var(--bg);
  box-shadow: 0 0 0 6px var(--cyan-dim), 0 8px 32px rgba(0,0,0,0.4);
  display: block;
}

/* Hero education block */
.hero-edu {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.hero-edu-main {
  display: flex;
  flex-direction: column; /* 👈 this is the key change */
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-top: 6px;
}

.hero-edu-school {
  font-family: var(--cond);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 0.02em;
  margin-bottom: 5px;
}

.hero-edu-degree {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 5px;
  line-height: 1.5;
}

.hero-edu-gpa {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.hero-edu-photo-wrap {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.hero-edu-photo {
  width: 72px;
  height: 88px;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--border);
  border-radius: 2px;
}

.hero-edu-photo-cap {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-align: center;
  max-width: 72px;
  line-height: 1.3;
}

/* Hero spec panel (right side — skills + chips + quote) */
.hero-spec {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: clamp(300px, 38vw, 440px);
  display: flex;
  flex-direction: column;
  gap: 0;
}

@keyframes rotCW  { to { transform: rotate(360deg); } }
@keyframes rotCCW { to { transform: rotate(-360deg); } }


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

.spec-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.spec-col {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.spec-sub-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.spec-field {
  border-left: 2px solid var(--border);
  padding-left: 18px;
}

.spec-field:hover {
  border-color: var(--cyan-dim);
}

.spec-key {
  display: block;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: 6px;
}

.spec-val {
  font-size: 15px;
  color: var(--text);
  line-height: 1.65;
}

.spec-val em { color: var(--cyan); font-style: normal; }

/* Skill bars */
.skill-list { display: flex; flex-direction: column; gap: 14px; }

.skill-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-name {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  width: 172px;
  flex-shrink: 0;
}

.skill-track {
  flex: 1;
  height: 2px;
  background: var(--border);
  position: relative;
}

.skill-fill {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  width: 0;
  background: var(--cyan);
  transition: width 1.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-fill::after {
  content: '';
  position: absolute;
  right: -2px; top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--cyan);
}

.skill-row.animated .skill-fill { width: var(--w); }

.skill-pct {
  font-family: var(--mono);
  font-size: 8px;
  color: var(--text-dim);
  width: 24px;
  text-align: right;
  flex-shrink: 0;
}

/* Chips */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.chip {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: rgba(11, 20, 34, 0.6);
}

.chip-accent {
  border-color: rgba(0, 200, 232, 0.35);
  color: var(--cyan);
  background: var(--cyan-faint);
}

/* Spec callout quote */
.spec-callout {
  display: flex;
  align-items: stretch;
  gap: 16px;
  margin-top: 8px;
  padding: 20px;
  background: var(--cyan-faint);
  border: 1px solid var(--border);
}

.callout-bracket {
  width: 3px;
  background: var(--cyan);
  flex-shrink: 0;
  border-radius: 2px;
}

.spec-callout p {
  font-family: var(--cond);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-bright);
  letter-spacing: 0.02em;
  line-height: 1.3;
}


/* =====================================================
   SYSTEMS GRID
   ===================================================== */

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Featured card spans 2 cols */
.sys-featured { grid-column: span 2; }

.sys-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
  cursor: default;
}

/* Top edge highlight line — hidden by default, appears on hover */
.sys-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

/* Blueprint annotation watermark in corner */
.sys-card::after {
  content: attr(data-sys-num);
  position: absolute;
  bottom: 16px; right: 20px;
  font-family: var(--mono);
  font-size: 60px;
  color: rgba(0, 200, 232, 0.025);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.sys-card:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-4px);
}

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

/* Card photo banner — bleeds outside the 20px padding */
.sys-img {
  margin: -20px -20px 14px -20px;
  height: 150px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.sys-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
  display: block;
}

.sys-card:hover .sys-img img {
  transform: scale(1.04);
}

/* Set sys-featured to have a faint always-on cyan border */
.sys-featured {
  border-color: rgba(0, 200, 232, 0.28);
}

.sys-featured::before { opacity: 0.4; }

.sys-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.sys-status {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.sys-running { color: var(--green); }
.sys-shipped { color: var(--cyan); }

.sys-num {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.sys-title {
  font-family: var(--cond);
  font-size: 21px;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: 0.01em;
  margin-bottom: 2px;
}

.sys-role {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 10px;
}

.sys-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 14px;
}

.sys-metrics {
  display: flex;
  gap: 18px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.metric { display: flex; flex-direction: column; }

.metric-n {
  font-family: var(--cond);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.metric-l {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-top: 3px;
}


/* =====================================================
   READING / BACKGROUND PROCESSES
   ===================================================== */

.reading-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.reading-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
  display: flex;
  flex-direction: column;
}

.reading-card:hover {
  border-color: var(--border-h);
  transform: translateY(-3px);
}

/* Cover image area */
.reading-cover {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #0a1020;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.reading-cover img {
  height: 100%;
  width: auto;
  object-fit: contain;
  transition: transform 0.4s ease;
  display: block;
}

.reading-card:hover .reading-cover img {
  transform: scale(1.04);
}

/* Essay placeholder cover */
.reading-cover-essay {
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: #090d16;
  position: relative;
}

.reading-cover-essay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 220, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 220, 0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.essay-pg-header {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  position: relative;
  z-index: 1;
}

.essay-pg-title {
  font-family: var(--cond);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.2;
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 8px;
}

.essay-pg-date {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  position: relative;
  z-index: 1;
}

/* Text body below cover */
.reading-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.reading-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.reading-type {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.reading-status {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.reading-loaded { color: var(--green); }

.reading-title {
  font-family: var(--cond);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.2;
  margin-bottom: 4px;
}

.reading-author {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.reading-note {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.7;
  font-style: italic;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}

.reading-card:hover .reading-note {
  border-color: var(--cyan-dim);
}


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

#contact {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
}

.contact-content { max-width: 560px; }

.contact-heading {
  font-family: var(--cond);
  font-size: clamp(48px, 7vw, 84px);
  font-weight: 700;
  color: var(--text-bright);
  line-height: 0.9;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}

.contact-heading-accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
  text-stroke: 2px var(--cyan);
}

.contact-sub {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 36px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
  padding: 14px 20px;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}

.contact-link:hover {
  border-color: var(--border-h);
  color: var(--cyan);
  background: var(--cyan-faint);
  transform: translateX(4px);
}

.contact-primary {
  border-color: rgba(0, 200, 232, 0.35);
  color: var(--cyan);
  background: var(--cyan-faint);
}

.contact-link-label {
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  width: 60px;
  flex-shrink: 0;
}

.contact-status {
  display: flex;
  gap: 14px;
  align-items: baseline;
  flex-wrap: wrap;
}

.contact-status-val {
  font-size: 14px;
  color: var(--text-dim);
}

/* Contact spec panel (right side — personal spec fields) */
.contact-spec {
  flex-shrink: 0;
  width: clamp(280px, 36%, 420px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 32px;
  border-left: 1px solid var(--border);
}


/* =====================================================
   FUN SECTION
   ===================================================== */

.fun-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.fun-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}

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

.fun-img-wrap {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.fun-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
  display: block;
}

.fun-card:hover .fun-img-wrap img {
  transform: scale(1.04);
}

.fun-caption {
  padding: 16px 18px;
  border-top: 1px solid var(--border);
}

.fun-label {
  display: block;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--orange);
  margin-bottom: 5px;
}

.fun-caption p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* =====================================================
   SLIDESHOW
   ===================================================== */

.slideshow-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.slideshow-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slideshow-viewport {
  flex: 1;
  overflow: hidden;
}

.slide-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.slide {
  flex: 0 0 calc(100% / 3);
  padding: 0 8px;
}

.slideshow-wrap .reading-card,
.slideshow-wrap .fun-card {
  width: 100%;
}

.slide-btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
  line-height: 1;
}

.slide-btn:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
}

.slide-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.slide-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-h);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.slide-dot.active {
  background: var(--cyan);
  transform: scale(1.3);
}

/* Video card in fun section */
.fun-video-wrap {
  width: 100%;
  background: #0a1020;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.fun-video {
  width: 100%;
  height: auto;
  max-height: 400px;
  display: block;
}

/* External link label in fun caption */
.fun-ext-link {
  color: var(--orange);
  text-decoration: none;
  letter-spacing: 0.2em;
  font-size: 8px;
}

.fun-ext-link:hover {
  color: var(--cyan);
}


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

footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 24px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.footer-note {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: rgba(106, 138, 158, 0.45);
}

.footer-copy {
  font-family: var(--mono);
  font-size: 9px;
  color: rgba(106, 138, 158, 0.35);
}


/* =====================================================
   SCROLL REVEAL
   ===================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


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

@media (max-width: 1060px) {
  .systems-grid { grid-template-columns: 1fr 1fr; }
  .sys-featured { grid-column: span 2; }
  .reading-grid { grid-template-columns: 1fr 1fr; }
  .fun-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 860px) {
  .slide {
    flex: 0 0 100%;
    padding: 0;
  }

  #hero {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 40px;
    padding-top: 100px;
  }

  .hero-tags, .hero-actions { justify-content: center; }
  .hero-photo-wrap { display: flex; justify-content: center; }

  .hero-spec { width: 100%; }

  .systems-grid { grid-template-columns: 1fr; }
  .sys-featured { grid-column: span 1; }

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

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

  .contact-layout { flex-direction: column; gap: 40px; }
  .contact-spec { width: 100%; padding-left: 0; border-left: none; border-top: 1px solid var(--border); padding-top: 32px; }

  .nav-cta { display: none; }
}

@media (max-width: 600px) {
  section { padding: 80px 24px; }
  footer { padding: 24px; }

  #nav { padding: 0; }
  .nav-inner { padding: 0 24px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 9px; }

  .hero-name { font-size: 64px; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-note { display: none; }
}