/* ============================================
   Z-HIRUIRA'S — RUINA CORE
   Tokens: deep space base + indigo/violet/pink/cyan gradient accents
   ============================================ */

:root {
  --void: #0a0b14;
  --panel: #14151f;
  --panel-hi: #1b1d2b;
  --text: #f1f0f7;
  --text-dim: #9a9ab2;
  --line: #262838;

  --indigo: #5a46ff;
  --violet: #af4bff;
  --pink: #ff4ba5;
  --cyan: #32e1ff;

  --grad: linear-gradient(115deg, var(--indigo), var(--violet) 45%, var(--pink) 75%, var(--cyan));
  --grad-soft: linear-gradient(115deg, rgba(90,70,255,0.18), rgba(175,75,255,0.18) 45%, rgba(255,75,165,0.18) 75%, rgba(50,225,255,0.18));

  --font-display: "Outfit", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: 0;
  background:
    radial-gradient(40% 35% at 12% 8%, rgba(90,70,255,0.28), transparent 60%),
    radial-gradient(45% 40% at 92% 18%, rgba(255,75,165,0.20), transparent 60%),
    radial-gradient(50% 45% at 25% 95%, rgba(50,225,255,0.16), transparent 60%),
    radial-gradient(40% 40% at 85% 90%, rgba(175,75,255,0.20), transparent 60%);
  pointer-events: none;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

#bubbleCanvas {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
code, pre { font-family: var(--font-mono); }

main, header, footer { position: relative; z-index: 2; }

/* ============ TOPBAR ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(20px, 5vw, 64px);
  background: rgba(10, 11, 20, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.topbar__name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 1rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.topbar__name .apos { color: var(--text-dim); -webkit-text-fill-color: var(--text-dim); }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  display: inline-block;
}

.dot--pulse-sm {
  width: 6px; height: 6px;
  box-shadow: 0 0 0 0 rgba(50, 225, 255, 0.6);
  animation: pulseDot 2s infinite;
}

.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  display: inline-block;
  margin-right: 6px;
  box-shadow: 0 0 0 0 rgba(50, 225, 255, 0.6);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(50, 225, 255, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(50, 225, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(50, 225, 255, 0); }
}

.topbar__nav {
  display: flex;
  gap: clamp(14px, 3vw, 26px);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.topbar__nav a { transition: color 0.2s ease; }
.topbar__nav a:hover { color: var(--cyan); }

@media (max-width: 760px) {
  .topbar__nav { display: none; }
}

.topbar__cta {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--void);
  background: var(--grad);
  border: none;
  padding: 9px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.topbar__cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -8px rgba(175,75,255,0.55); }

/* ============ LAYOUT HELPERS ============ */
main > section {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(56px, 9vw, 110px) clamp(20px, 5vw, 64px);
}

.eyebrow {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.eyebrow--live { color: var(--cyan); margin-left: 4px; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.body-text {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 580px;
  margin-bottom: 16px;
}
.body-text.small { font-size: 0.9rem; max-width: 100%; }
.body-text code { color: var(--cyan); font-size: 0.85em; }

.inline-link { color: var(--cyan); text-decoration: underline; text-decoration-color: rgba(50,225,255,0.4); }
.inline-link:hover { text-decoration-color: var(--cyan); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.btn--primary {
  background: var(--grad);
  color: var(--void);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px -10px rgba(175,75,255,0.6); }
.btn--ghost {
  border: 1px solid var(--line);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }

/* ============ HERO ============ */
.hero { padding-top: clamp(46px, 8vw, 86px) !important; }

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__grid .terminal { order: -1; }
}

.terminal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 70px -24px rgba(0,0,0,0.7);
  position: relative;
}
.terminal::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 15px;
  background: var(--grad);
  opacity: 0.35;
  z-index: -1;
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--panel-hi);
  border-bottom: 1px solid var(--line);
}

.terminal__dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.terminal__dot--a { background: var(--pink); }
.terminal__dot--b { background: #f5c26b; }
.terminal__dot--c { background: #6bcb77; }

.terminal__title { margin-left: 8px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); }

.terminal__body {
  padding: 22px 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  min-height: 260px;
}

.boot-line { display: flex; gap: 10px; opacity: 0; animation: fadeIn 0.3s forwards; }
.boot-line__ok { color: #6bcb77; }
.boot-line__tag { color: var(--cyan); }
.boot-line__text { color: var(--text-dim); }

@keyframes fadeIn { to { opacity: 1; } }

.cursor {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: var(--cyan);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__intro .hl {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.hero__desc { color: var(--text-dim); font-size: 1.05rem; max-width: 500px; margin-bottom: 28px; }

.heartbeat { display: flex; align-items: center; gap: 14px; color: var(--cyan); }
.heartbeat__svg { width: 180px; height: 36px; }
.heartbeat__line { stroke-dasharray: 600; stroke-dashoffset: 600; animation: drawLine 3.2s ease-in-out infinite; }
@keyframes drawLine { 0% { stroke-dashoffset: 600; } 60% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -10; } }
.heartbeat__label { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim); letter-spacing: 0.04em; }

/* ============ ABOUT ============ */
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  border-top: 1px solid var(--line);
}
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } }

.thumb-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
  background: var(--panel);
}
.thumb-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 17px;
  background: var(--grad);
  opacity: 0.4;
  z-index: -1;
}
.thumb-frame__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-frame__tag {
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(10,11,20,0.7);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 100px;
  color: var(--cyan);
  backdrop-filter: blur(6px);
}

.meta-list { list-style: none; margin-top: 24px; border-top: 1px solid var(--line); }
.meta-list li {
  display: flex; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.85rem;
}
.meta-list li span:first-child { color: var(--text-dim); }
.meta-live { color: #6bcb77; }

/* ============ CAPABILITIES ============ */
.capabilities { border-top: 1px solid var(--line); }
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
@media (max-width: 860px) { .cap-grid { grid-template-columns: 1fr; } }

.cap-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.cap-card:hover {
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -16px rgba(90,70,255,0.4);
}
.cap-card:hover::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 1px solid transparent;
  background: var(--grad) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cap-card__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--void);
  background: var(--grad);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 16px;
  font-weight: 600;
}
.cap-card h3 { font-family: var(--font-display); font-size: 1.08rem; margin-bottom: 8px; font-weight: 600; }
.cap-card em { color: var(--pink); font-style: normal; font-size: 0.8rem; }
.cap-card p { color: var(--text-dim); font-size: 0.92rem; }

/* ============ CHAT ============ */
.chat-section { border-top: 1px solid var(--line); }

.chatbox {
  margin-top: 28px;
  max-width: 640px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px -28px rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
}

.chatbox__head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  background: var(--panel-hi);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.chatbox__log {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 260px;
  max-height: 420px;
  overflow-y: auto;
}

.msg { display: flex; }
.msg--user { justify-content: flex-end; }
.msg__bubble {
  max-width: 80%;
  padding: 10px 16px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
  animation: bubbleIn 0.25s ease;
}
.msg--bot .msg__bubble {
  background: var(--panel-hi);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}
.msg--user .msg__bubble {
  background: var(--grad);
  color: var(--void);
  border-bottom-right-radius: 4px;
  font-weight: 500;
}
.msg--typing .msg__bubble { color: var(--text-dim); font-style: italic; }

@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.chatbox__input {
  display: flex;
  border-top: 1px solid var(--line);
  padding: 10px;
  gap: 8px;
}
.chatbox__input input {
  flex: 1;
  background: var(--void);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 11px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s ease;
}
.chatbox__input input:focus { border-color: var(--cyan); }
.chatbox__input button {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--grad);
  color: var(--void);
  font-size: 1.1rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.chatbox__input button:hover { transform: scale(1.06); }
.chatbox__input button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============ ENDPOINT ============ */
.endpoint { border-top: 1px solid var(--line); }
.endpoint-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
@media (max-width: 860px) { .endpoint-grid { grid-template-columns: 1fr; } }

.endpoint__box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(24px, 4vw, 32px);
}
.endpoint__box h3 { font-family: var(--font-mono); font-size: 1.05rem; margin: 10px 0 6px; }

.endpoint__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255,75,165,0.16);
  color: var(--pink);
}
.endpoint__tag--get { background: rgba(50,225,255,0.16); color: var(--cyan); }

.code-block {
  margin-top: 16px;
  background: var(--void);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  overflow-x: auto;
}
.code-block pre { font-size: 0.78rem; color: var(--cyan); white-space: pre; }
.code-block--result pre { color: #b9f6c8; }
.code-block code { color: inherit; }

/* ============ DEVELOPER ============ */
.developer { border-top: 1px solid var(--line); }

.dev-card {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(24px, 4vw, 36px);
}
@media (max-width: 720px) { .dev-card { grid-template-columns: 1fr; } }

.dev-card__photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  max-width: 220px;
}
.dev-card__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.dev-card__info h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 4px; }
.dev-card__role { color: var(--cyan); font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 14px; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 12px; }
.skill-tags span {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.skill-tags span:hover { border-color: var(--cyan); color: var(--cyan); }

.caption { font-size: 0.78rem; color: var(--text-dim); opacity: 0.8; }
.caption code { color: var(--violet); }

/* ============ CREDITS ============ */
.credits { border-top: 1px solid var(--line); }
.credits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.credit-chip {
  padding: 12px 20px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.credit-chip:hover { transform: translateY(-2px); border-color: var(--cyan); }
.credit-chip--top {
  background: var(--grad);
  color: var(--void);
  font-weight: 700;
  border: none;
}
.credit-chip--muted { color: var(--text-dim); font-style: italic; font-weight: 400; }

/* ============ FOOTER ============ */
.footer {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 32px 20px 48px;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-dim);
  border-top: 1px solid var(--line);
}
.footer__sep { opacity: 0.4; }

/* ============ FAB (floating chat button) ============ */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 45;
  width: 58px; height: 58px;
  border-radius: 50%;
  border: none;
  background: var(--grad);
  color: var(--void);
  font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 14px 36px -10px rgba(175,75,255,0.6);
  transition: transform 0.2s ease;
}
.fab:hover { transform: scale(1.07); }
.fab__dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #6bcb77;
  border: 2px solid var(--void);
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}