:root {
  /* Night sky base */
  --bg-top: #0a0f1f;
--bg-mid: #070b18;
--bg-bottom: #03040a;

  /* Moonlight UI */
  --accent: #f5f6f8;          /* soft white */
  --accent-soft: rgba(255,255,255,0.12);

  /* Text */
  --text: #f2f2f0;            /* off white */
  --muted: #c7cbd6;           /* cool soft gray */

  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(40,50,90,0.15), transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(30,40,80,0.1), transparent 50%),
    #020307;
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  overflow-x: hidden;
  position: relative;
}

/* =================================================
   GLASS ORB BACKGROUND
================================================= */

.global-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;

  backdrop-filter: blur(50px) saturate(100%);
  -webkit-backdrop-filter: blur(20px) saturate(100%);

  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.01), transparent 70%);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-inner {
  max-width: 800px;
}

.logo-wrap { margin-bottom: 2rem; }

.site-mark {
  width: 70px;
  height: 70px;
  color: var(--accent);
  filter: drop-shadow(0 0 12px rgba(255,255,255,0.15));
  transition: transform 0.4s ease;
}

.logo-link:hover .site-mark {
  transform: rotate(10deg) scale(1.1);
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 1.5rem;
  color: var(--accent);
}

/* =================================================
   TYPING
================================================= */

.typing-wrapper {
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  min-height: 1.5em;
  margin-bottom: 1.5rem;
}

.cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  margin-left: 6px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,50%,100% { opacity: 1; }
  25%,75% { opacity: 0; }
}

.hero-subtext {
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
  color: var(--muted);
  line-height: 1.6;
}

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

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

.btn {
  padding: 0.75rem 1.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 4px;
  text-decoration: none;
  transition: 0.3s ease;
}

.btn.primary {
  background: #ffffff;
  color: #0b1324;
  box-shadow: 0 0 20px rgba(255,255,255,0.15);
}

.btn.primary:hover {
  transform: translateY(-3px);
}

.btn.outline {
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--text);
}

.btn.outline:hover {
  background: var(--accent);
  color: #000;
}

/* =================================================
   SECTIONS
================================================= */

.section {
  padding: 6rem 2rem;
}

.section-inner {
  max-width: 1100px;
  margin: auto;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Reveal animation */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

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

/* =================================================
   BUILD GRID
================================================= */

.build-grid--detailed {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.build-card--detailed {
  position: relative;
  padding: 2rem 1.6rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.025);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.build-card--detailed::before {
  content: "";
  position: absolute;
  left: 1.6rem;
  top: 1.2rem;
  width: 48px;
  height: 2px;
  background: var(--accent);
  opacity: 0.9;
}

.build-kicker {
  display: inline-block;
  margin-bottom: 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.build-card--detailed h3 {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
  color: var(--accent);
}

.build-card--detailed p {
  margin: 0 0 1rem;
  color: var(--text);
  line-height: 1.7;
}

.build-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.build-list li {
  margin-bottom: 0.35rem;
}

.build-card--detailed:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-soft);
}

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

/* ========= FEATURED SHOWCASE ========= */
.featured-showcase-header {
  text-align: center;
  margin-bottom: 3rem;
}

.featured-showcase-header h2 {
  margin: 0;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.featured-showcase {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 1.4rem;
  align-items: stretch;
}

.featured-rail {
  display: grid;
  gap: 0.8rem;
}

.featured-rail-item {
  width: 100%;
  text-align: left;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at top left, rgba(148, 163, 184, 0.08), transparent 60%),
    linear-gradient(135deg, #070b18, #03040a);
  color: var(--text);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: center;
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.12s ease;
}

.featured-rail-item:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.featured-rail-item.is-active {
  border-color: var(--accent);
  background:
    radial-gradient(circle at top left, var(--accent-soft), transparent 60%),
    linear-gradient(135deg, #070b18, #03040a);
  box-shadow:
    0 0 0 1px var(--accent),
    0 0 22px var(--accent-soft);
}

.featured-rail-item.is-active::after {
  content: "";
  display: block;
  grid-column: 1 / -1;
  margin-top: 0.35rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.95;
  transform-origin: left center;
  transform: scaleX(0);

  /* glow */
  box-shadow:
    0 0 6px var(--accent-soft),
    0 0 12px var(--accent-soft),
    0 0 18px color-mix(in srgb, var(--accent) 35%, transparent);
}

.featured-rail-item.is-timing::after {
  animation: featuredRailTimer linear forwards;
  animation-duration: var(--timer-duration, 4200ms);
}

@keyframes featuredRailTimer {
  from {
    transform: scaleX(0);
    opacity: 0.7;
  }
  to {
    transform: scaleX(1);
    opacity: 1;
  }
}

.featured-rail-index {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.featured-rail-text {
  display: grid;
  gap: 0.15rem;
}

.featured-rail-text strong {
  font-size: 0.95rem;
  font-weight: 600;
}

.featured-rail-text small {
  font-size: 0.78rem;
  color: var(--muted);
}

.featured-main-box {
  border-radius: 1.15rem;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at top left, rgba(148, 163, 184, 0.08), transparent 60%),
    linear-gradient(135deg, #070b18, #03040a);
  box-shadow: 0 22px 55px rgba(0,0,0,0.35);
  padding: 1.35rem;
  display: grid;
  gap: 1.2rem;
}

.featured-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.featured-detail-title {
  margin: 0 0 0.7rem;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
}

.featured-detail-copy {
  margin: 0 0 0.95rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 820px;
}

.featured-meta-list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.featured-meta-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text);
}

.featured-meta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-soft);
}

.featured-stack {
  margin: 0 0 1.1rem;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.featured-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.featured-gallery-box {
  border-radius: 1rem;
  border: 1px solid var(--border);
  padding: 1rem;
  background:
    radial-gradient(circle at top, rgba(148, 163, 184, 0.06), transparent 60%),
    linear-gradient(135deg, #020617, #0b1120);
  display: grid;
  gap: 0.9rem;
}

.featured-image-expanded {
  width: 100%;
  height: 320px; /* fixed height */
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 0.9rem;
  background: rgba(255,255,255,0.025);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.12s ease;
}


.featured-image-expanded:hover {
  border-color: var(--accent);
  box-shadow: 0 0 22px var(--accent-soft);
  transform: translateY(-1px);
}

.featured-image-expanded img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* fills box without changing box size */
  display: block;
}

.featured-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.featured-thumb-btn {
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0;
  overflow: hidden;
  background: #020617;
  cursor: pointer;
  opacity: 0.72;
  transition:
    opacity 0.16s ease,
    border-color 0.16s ease,
    box-shadow 0.16s ease,
    transform 0.1s ease;
}

.featured-thumb-btn:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.featured-thumb-btn.is-active {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-soft);
}

.featured-thumb-btn img {
  width: 100%;
  height: 88px;
  object-fit: cover;
  display: block;
}

/* LIGHTBOX */
.featured-lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}

.featured-lightbox.is-open {
  display: block;
}

.featured-lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.featured-lightbox-inner {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 1000px);
  max-height: 84vh;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
  background: #020617;
}

.featured-lightbox-inner img {
  width: 100%;
  height: auto;
  max-height: 84vh;
  object-fit: contain;
  display: block;
}

.featured-showcase {
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 980px) {
  .featured-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .featured-thumbs {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .featured-image-expanded {
  height: 220px;
}
}

/* =================================================
   CORE TECHNOLOGIES (SIMPLE CARD GRID)
================================================= */

.core-skills-showcase {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 1.3rem;
}

.core-skill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.core-skill-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem 1rem;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015)),
    rgba(255,255,255,0.02);
  backdrop-filter: blur(8px);
  display: grid;
  justify-items: center;
  align-content: center;
  text-align: center;
  min-height: 190px;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.12s ease;
}

.core-skill-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-soft);
  transform: translateY(-3px);
}

.core-skill-logo {
  width: 72px;
  height: 72px;
  border-radius: 0.9rem;
  border: 1px dashed rgba(255,255,255,0.16);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.9rem;
  overflow: hidden;
}

.core-skill-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.core-skill-logo-placeholder {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.core-skill-name {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
  font-weight: 600;
}

.core-skill-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 0.4rem;
}

.core-skill-tab {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.12s ease;
}

.core-skill-tab:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-1px);
}

.core-skill-tab.is-active {
  border-color: var(--accent);
  color: var(--text);
  box-shadow:
    0 0 0 1px var(--accent),
    0 0 14px var(--accent-soft);
  background:
    radial-gradient(circle at center, var(--accent-soft), rgba(255,255,255,0.015));
}

.core-skill-tab::after {
  content: "";
  position: absolute;
  left: 14%;
  right: 14%;
  bottom: 0.3rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
}

.core-skill-tab.is-active.is-timing::after {
  opacity: 1;
  animation: coreSkillTabTimer linear forwards;
  animation-duration: var(--core-timer-duration, 5000ms);
  box-shadow: 0 0 8px var(--accent-soft);
}

@keyframes coreSkillTabTimer {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (max-width: 900px) {
  .core-skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .core-skill-grid,
  .core-skill-tabs {
    grid-template-columns: 1fr;
  }
}

/* =================================================
   SCROLL INDICATOR (CLEAN FLOAT VERSION)
================================================= */

.scroll-indicator{
  margin-top: 3rem;
  width: 100%;
  height: 140px;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  color: var(--accent);
}

.scroll-arrow{
  width: 50px;
  height: 120px;
  stroke: var(--accent);
  fill: none;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
  transform-origin: center top;
  will-change: transform, opacity;
}

.arrow-line{
  stroke-width: 3;
  stroke-linecap: round;
}

.arrow-head{
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ========= MINI TERRARIA ========= */
.terraria-showcase-card {
  max-width: 1100px;
  margin: 2rem auto 4rem;
  display: grid;
  gap: 1rem;
}

.terraria-showcase-top {
  text-align: center;
}

.terraria-showcase-top h3 {
  margin: 0;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.terraria-meta {
  margin: 0.75rem auto 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.technical-showcase-canvas-wrap {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  height: 320px;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at top left, rgba(148, 163, 184, 0.08), transparent 60%),
    linear-gradient(135deg, #070b18, #03040a);
  box-shadow: 0 22px 55px rgba(0,0,0,0.35);
  overflow: hidden;
  position: relative;
}

.technical-showcase-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.terraria-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0.7rem;
  gap: 0.6rem;
}

.terraria-hud-left,
.terraria-hud-right {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.terraria-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(2,6,23,0.78);
  color: var(--text);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 0 12px var(--accent-soft);
}

.terraria-hud .btn {
  pointer-events: auto;
}

.small-btn {
  padding: 0.45rem 0.85rem;
  font-size: 0.75rem;
}

.terraria-hud .btn.small-btn {
  border: 1px solid rgba(255,255,255,0.75);
  background: transparent;
  color: #ffffff;
  box-shadow: none;
}

.terraria-hud .btn.small-btn:hover {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  transform: none;
}

@media (max-width: 640px) {
  .technical-showcase-canvas-wrap {
    height: 280px;
  }

  .terraria-showcase-top h3 {
  font-size: 1.5rem;
}

.terraria-meta {
  font-size: 0.9rem;
}

  .terraria-showcase-top {
    text-align: center;
  }
}

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

.footer {
  text-align: center;
  padding: 3rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

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

@media (max-width: 700px) {
  .hero-title {
    font-size: 2.5rem;
  }
}