/* =============================================================
   POVC - Portfolio Of Vishnu Creator
   style.css - Complete Final Production CSS
   Pranav Bhatia | v3.0.0-FINAL
   ============================================================= */

/* --- CSS Variables ------------------------------------------ */
:root {
  /* ---- Theme: LIGHT (default for first-time visitors) ---- */
  --fg-rgb:           17, 19, 23;
  --text-strong:      #0d0f12;
  --text-body:        rgba(17, 19, 23, 0.72);

  --bg-void:          #fbfbfc;
  --bg-panel:         #ffffff;
  --bg-card:          #ffffff;
  --bg-card-hover:    #f6f7f9;

  --surface-nav:      rgba(251, 251, 252, 0.82);
  --surface-nav-solid: rgba(251, 251, 252, 0.97);

  --accent-green:     #04976a;
  --accent-green-rgb: 4, 151, 106;
  --wash-tint:        rgba(4, 151, 106, 0.04);
  --accent-cyan:      #0369a1;
  --on-accent:        #ffffff;

  --accent-green-dim: rgba(4, 151, 106, 0.10);
  --accent-cyan-dim:  rgba(17, 19, 23, 0.06);
  --border-dim:       rgba(17, 19, 23, 0.10);
  --border-mid:       rgba(17, 19, 23, 0.18);
  --border-bright:    rgba(4, 151, 106, 0.45);

  --btn-primary-bg:   #14161a;
  --btn-primary-fg:   #ffffff;

  --shadow-c:         rgba(15, 23, 42, 0.10);
  --shadow-c-sm:      rgba(15, 23, 42, 0.07);
  --chip-bg:          rgba(17, 19, 23, 0.06);

  --alert-warn:       #b45309;
  --alert-danger:     #dc2626;

  /* ---- Non-colour tokens (shared by both themes) ---- */
  --font-mono:        "JetBrains Mono", "Courier New", monospace;
  --font-sans:        "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --nav-height:       62px;
  --max-width:        1280px;
  --tr-fast:          0.15s ease;
  --tr-med:           0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --tr-slow:          0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --sp-xs:  0.4rem;
  --sp-sm:  0.8rem;
  --sp-md:  1.6rem;
  --sp-lg:  2.4rem;
  --sp-xl:  4rem;
  --sp-2xl: 6.4rem;
}

/* ---- Theme: DARK (opt-in via toggle) ---- */
[data-theme="dark"] {
  --fg-rgb:           255, 255, 255;
  --text-strong:      #ffffff;
  --text-body:        rgba(var(--fg-rgb), 0.62);

  --bg-void:          #0a0a0a;
  --bg-panel:         #111111;
  --bg-card:          #131313;
  --bg-card-hover:    #161616;

  --surface-nav:      rgba(10, 10, 10, 0.88);
  --surface-nav-solid: rgba(8, 8, 8, 0.97);

  --accent-green:     #00ff9f;
  --accent-green-rgb: 0, 255, 159;
  --wash-tint:        rgba(0, 15, 20, 0.3);
  --accent-cyan:      #00ccff;
  --on-accent:        #000000;

  --accent-green-dim: rgba(0, 255, 159, 0.12);
  --accent-cyan-dim:  rgba(var(--fg-rgb), 0.10);
  --border-dim:       rgba(var(--fg-rgb), 0.10);
  --border-mid:       rgba(var(--fg-rgb), 0.22);
  --border-bright:    rgba(0, 255, 159, 0.45);

  --btn-primary-bg:   #ffffff;
  --btn-primary-fg:   #000000;

  --shadow-c:         rgba(0, 0, 0, 0.5);
  --shadow-c-sm:      rgba(0, 0, 0, 0.4);
  --chip-bg:          rgba(0, 0, 0, 0.28);

  --alert-warn:       #ffb800;
  --alert-danger:     #ff3c3c;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  transition: background-color var(--tr-med), color var(--tr-med);
  background: var(--bg-void);
  color: var(--text-body);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
  border-radius: 2px;
}

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

ul {
  list-style: none;
}

::selection {
  background: var(--accent-green);
  color: var(--on-accent);
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: rgba(var(--fg-rgb), 0.2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-cyan); }

/* --- Typography: sans-serif for headings & body copy --------
   (mono is reserved for labels, kickers, badges, code accents) */
.sector-title,
.card-title,
.milestone-title,
.phase-title,
.ach-title,
.aic-name,
.arch-title,
.arch-feature-title,
.footer-logo {
  font-family: var(--font-sans);
}

.sector-desc,
.card-desc,
.about-bio-text p,
.milestone-detail,
.ach-desc,
.aqf-desc,
.aqf-title,
.phase-desc,
.contact-card-value,
.footer-tagline,
.arch-note,
.arch-feature-desc {
  font-family: var(--font-sans);
  font-weight: 400;
}

/* --- Skip Link ---------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent-green);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 2px;
  z-index: 9999;
  transition: top 0.2s;
  text-decoration: none;
}
.skip-link:focus {
  top: 16px;
}

/* --- Custom Cursor ------------------------------------------ */
.cursor-dot,
.cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green), 0 0 16px var(--accent-green);
}

.cursor-ring {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(var(--fg-rgb), 0.6);
  transition: width 0.2s ease, height 0.2s ease, border-color 0.2s ease;
}

.cursor-ring.hovered {
  width: 44px;
  height: 44px;
  border-color: var(--accent-green);
}

/* --- Loading Screen ----------------------------------------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--bg-void);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

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

.loader-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--fg-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--fg-rgb), 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.loader-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  text-align: center;
}

.loader-logo {
  width: 80px;
  height: 80px;
  animation: loaderSpin 3s linear infinite;
}

@keyframes loaderSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.loader-brand {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 0.25em;
  color: var(--accent-green);
}

.loader-bracket {
  color: var(--accent-cyan);
  opacity: 0.6;
}

.loader-sub {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: rgba(var(--fg-rgb), 0.4);
}

.loader-bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  width: 280px;
}

.loader-bar-track {
  flex: 1;
  height: 4px;
  background: rgba(var(--fg-rgb), 0.1);
  border: 1px solid var(--border-dim);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  border-radius: 2px;
  transition: width 0.1s linear;
}

.loader-pct {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-green);
  min-width: 36px;
}

.loader-status {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: rgba(var(--fg-rgb), 0.4);
}

.loader-corner {
  position: absolute;
  width: 40px;
  height: 40px;
}

.loader-corner-tl { top: 20px; left: 20px; border-top: 2px solid rgba(var(--fg-rgb), 0.3); border-left: 2px solid rgba(var(--fg-rgb), 0.3); }
.loader-corner-tr { top: 20px; right: 20px; border-top: 2px solid rgba(var(--fg-rgb), 0.3); border-right: 2px solid rgba(var(--fg-rgb), 0.3); }
.loader-corner-bl { bottom: 20px; left: 20px; border-bottom: 2px solid rgba(var(--fg-rgb), 0.3); border-left: 2px solid rgba(var(--fg-rgb), 0.3); }
.loader-corner-br { bottom: 20px; right: 20px; border-bottom: 2px solid rgba(var(--fg-rgb), 0.3); border-right: 2px solid rgba(var(--fg-rgb), 0.3); }

/* --- Scroll Progress Bar ------------------------------------ */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  z-index: 9500;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  width: 0%;
  transition: width 0.1s linear;
}

/* --- Status Dot --------------------------------------------- */
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.status-dot.pulse {
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent-green); }
  50%       { opacity: 0.4; box-shadow: 0 0 2px var(--accent-green); }
}

/* --- Theme Toggle -------------------------------------------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  color: rgba(var(--fg-rgb), 0.6);
  cursor: none;
  padding: 0;
  transition: border-color var(--tr-med), color var(--tr-med), background var(--tr-med);
}

.theme-toggle:hover {
  border-color: var(--border-mid);
  color: var(--text-strong);
  background: rgba(var(--fg-rgb), 0.04);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  display: block;
}

/* Show the sun in dark mode (click -> go light), moon in light mode */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

/* --- Navigation -------------------------------------------- */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 800;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-lg);
  background: var(--surface-nav);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dim);
  transition: background var(--tr-med), border-color var(--tr-med);
}

.nav-bar.scrolled {
  background: var(--surface-nav-solid);
  border-bottom-color: var(--border-mid);
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--accent-green);
}

.nav-logo-bracket {
  color: var(--accent-cyan);
  opacity: 0.6;
}

.nav-links {
  display: flex;
  gap: 1.4rem;
  align-items: center;
}

.nav-link {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(var(--fg-rgb), 0.5);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--tr-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-green);
  transition: width var(--tr-med);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-green);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.62rem;
  color: var(--accent-green);
  letter-spacing: 0.1em;
}

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

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--accent-cyan);
  transition: transform var(--tr-med), opacity var(--tr-fast);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- Hero Section ------------------------------------------ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--sp-xl)) var(--sp-lg) var(--sp-2xl);
  overflow: hidden;
  text-align: center;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--fg-rgb), 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--fg-rgb), 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 90%);
}

.corner-deco {
  position: absolute;
  width: 32px;
  height: 32px;
  pointer-events: none;
}

.corner-tl { top: 80px; left: 20px; border-top: 1px solid var(--border-mid); border-left: 1px solid var(--border-mid); }
.corner-tr { top: 80px; right: 20px; border-top: 1px solid var(--border-mid); border-right: 1px solid var(--border-mid); }
.corner-bl { bottom: 60px; left: 20px; border-bottom: 1px solid var(--border-mid); border-left: 1px solid var(--border-mid); }
.corner-br { bottom: 60px; right: 20px; border-bottom: 1px solid var(--border-mid); border-right: 1px solid var(--border-mid); }

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  max-width: 720px;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--accent-green);
  margin-bottom: var(--sp-sm);
}

.hero-name {
  font-family: var(--font-sans);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--text-strong);
  position: relative;
}

.hero-alias {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: rgba(var(--fg-rgb), 0.35);
  margin-top: 0.3rem;
}

.hero-alias strong { color: var(--accent-cyan); font-weight: 600; }

.hero-tagline {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-weight: 500;
  color: rgba(var(--fg-rgb), 0.82);
  margin-top: var(--sp-md);
  letter-spacing: -0.01em;
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(var(--fg-rgb), 0.48);
  max-width: 560px;
  margin-top: 0.4rem;
}

.hero-cta {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--sp-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.7rem;
  border-radius: 8px;
  cursor: none;
  transition: all var(--tr-med);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  border: none;
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(0,0,0,0.08), transparent 70%);
  opacity: 0;
  transition: opacity var(--tr-med);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--fg-rgb), 0.15);
}

.btn-primary:hover .btn-glow { opacity: 1; }

.btn-secondary {
  background: transparent;
  color: rgba(var(--fg-rgb), 0.85);
  border: 1px solid rgba(var(--fg-rgb), 0.16);
}

.btn-secondary:hover {
  background: rgba(var(--fg-rgb), 0.05);
  border-color: rgba(var(--fg-rgb), 0.3);
  transform: translateY(-2px);
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(var(--fg-rgb), 0.4);
  margin-top: var(--sp-lg);
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border-dim);
  border-radius: 20px;
}

.hero-status strong { color: rgba(var(--fg-rgb), 0.7); font-weight: 500; }

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  right: var(--sp-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--sp-xs);
}

.scroll-label {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: rgba(var(--fg-rgb), 0.25);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(var(--fg-rgb), 0.3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(0.6); }
}

/* --- Sector Base -------------------------------------------- */
.sector {
  padding: var(--sp-2xl) var(--sp-lg);
  position: relative;
}

.sector::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--sp-lg);
  right: var(--sp-lg);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-mid), transparent);
}

.sector-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.sector-header {
  margin-bottom: var(--sp-xl);
}

.sector-tag {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-sm);
}

.sector-num {
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--accent-green);
  white-space: nowrap;
}

.sector-line {
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-green), transparent);
  opacity: 0.4;
}

.sector-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--text-strong);
  margin-bottom: var(--sp-sm);
}

.sector-desc {
  font-size: 0.72rem;
  color: rgba(var(--fg-rgb), 0.38);
  max-width: 580px;
}

/* --- About -------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--sp-xl);
  align-items: start;
}

.about-identity-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}

.aic-top {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.aic-avatar {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border-mid);
  box-shadow: 0 0 12px rgba(var(--accent-green-rgb), 0.15);
}

.aic-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}
.aic-name   { font-size: 0.9rem; font-weight: 900; color: var(--text-strong); letter-spacing: 0.1em; }
.aic-alias  { font-size: 0.62rem; color: var(--accent-green); letter-spacing: 0.18em; margin: 2px 0; }
.aic-role   { font-size: 0.65rem; color: rgba(var(--fg-rgb), 0.45); }

.aic-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.aic-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-dim);
}

.aic-stat-row:last-child { border-bottom: none; }

.aic-key       { font-size: 0.55rem; letter-spacing: 0.18em; color: rgba(var(--fg-rgb), 0.35); }
.aic-val       { font-size: 0.65rem; color: rgba(var(--fg-rgb), 0.65); font-weight: 600; }
.aic-val-green { color: var(--accent-green); }

.aic-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.aic-badge {
  font-size: 0.6rem;
  padding: 0.2rem 0.6rem;
  background: rgba(var(--fg-rgb), 0.06);
  border: 1px solid var(--border-dim);
  border-radius: 2px;
  color: rgba(var(--fg-rgb), 0.5);
}

.about-bio {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

.about-bio-text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.about-bio-text p {
  font-size: 0.8rem;
  color: rgba(var(--fg-rgb), 0.5);
  line-height: 1.85;
}

.about-highlight { color: var(--accent-green); font-weight: 700; }

.about-quick-facts {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.aqf-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  padding: var(--sp-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  transition: border-color var(--tr-med);
}

.aqf-item:hover { border-color: rgba(var(--accent-green-rgb), 0.25); }
.aqf-icon  { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.aqf-title { font-size: 0.78rem; font-weight: 700; color: var(--text-strong); letter-spacing: 0.06em; margin-bottom: 4px; }
.aqf-desc  { font-size: 0.68rem; color: rgba(var(--fg-rgb), 0.4); line-height: 1.65; }

/* --- What I Build ------------------------------------------- */
.build-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}

.build-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: var(--sp-lg) var(--sp-md);
  transition: border-color var(--tr-med), transform var(--tr-med), background var(--tr-med);
}

.build-card:hover {
  border-color: rgba(var(--fg-rgb), 0.18);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.build-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: var(--sp-sm);
}

.build-title {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.build-desc {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(var(--fg-rgb), 0.45);
}

/* --- Tech stack pills --------------------------------------- */
.tech-stack { margin-bottom: var(--sp-xl); }

.tech-stack-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: rgba(var(--fg-rgb), 0.3);
  margin-bottom: var(--sp-sm);
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.32rem 0.8rem;
  background: rgba(var(--fg-rgb), 0.03);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  color: rgba(var(--fg-rgb), 0.55);
  transition: all var(--tr-fast);
}

.tech-pill:hover {
  border-color: rgba(var(--fg-rgb), 0.22);
  color: rgba(var(--fg-rgb), 0.85);
}

/* --- Currently Building ------------------------------------- */
.now-block {
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  padding: var(--sp-lg);
  background: linear-gradient(180deg, rgba(var(--fg-rgb), 0.02), transparent);
}

.now-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--sp-md);
}

.now-title {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}

.now-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.now-item {
  padding-left: var(--sp-sm);
  border-left: 2px solid rgba(var(--accent-green-rgb), 0.3);
}

.now-item-name {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(var(--fg-rgb), 0.9);
  margin-bottom: 0.25rem;
}

.now-item-desc {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  line-height: 1.6;
  color: rgba(var(--fg-rgb), 0.42);
}

/* --- Project Cards ------------------------------------------ */
.dev-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 1.2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  position: relative;
  overflow: hidden;
  cursor: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  transition: all var(--tr-med);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-green-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--tr-med);
  pointer-events: none;
}

.project-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 60px var(--shadow-c), 0 0 28px rgba(var(--accent-green-rgb), 0.07);
}

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

.card-featured { border-color: rgba(var(--accent-green-rgb), 0.2); }

.card-featured::after {
  content: "FEATURED";
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.48rem;
  letter-spacing: 0.2em;
  color: var(--accent-green);
  opacity: 0.55;
}

.card-border-glow {
  position: absolute;
  inset: -1px;
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  padding: 1px;
  transition: opacity var(--tr-med);
}

.project-card:hover .card-border-glow { opacity: 0.35; }

.card-corner { position: absolute; width: 10px; height: 10px; opacity: 0.35; transition: opacity var(--tr-med); }
.project-card:hover .card-corner { opacity: 1; }
.card-corner-tl { top: 8px; left: 8px; border-top: 1px solid var(--accent-green); border-left: 1px solid var(--accent-green); }
.card-corner-tr { top: 8px; right: 8px; border-top: 1px solid var(--accent-green); border-right: 1px solid var(--accent-green); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-sm);
}

.card-logo    { width: 48px; height: 48px; flex-shrink: 0; }
.card-logo svg { width: 100%; height: 100%; }
.card-logo-sm { width: 40px; height: 40px; }

.card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.card-id     { font-size: 0.52rem; letter-spacing: 0.2em; color: rgba(var(--fg-rgb), 0.28); }
.card-status { font-size: 0.56rem; letter-spacing: 0.14em; font-weight: 700; }
.card-status-live { color: var(--accent-green); }
.card-status-beta { color: var(--accent-cyan); }

.card-body { flex: 1; }

.card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.card-featured .card-title { font-size: 1.3rem; }
.card-title-accent { color: var(--accent-cyan); }

.card-desc {
  font-size: 0.7rem;
  color: rgba(var(--fg-rgb), 0.42);
  line-height: 1.7;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  padding: 0.18rem 0.55rem;
  background: rgba(var(--fg-rgb), 0.05);
  border: 1px solid var(--border-dim);
  color: rgba(var(--fg-rgb), 0.5);
  border-radius: 1px;
  transition: all var(--tr-fast);
}

.project-card:hover .tag {
  border-color: rgba(var(--accent-green-rgb), 0.18);
  color: rgba(var(--accent-green-rgb), 0.65);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-sm);
  border-top: 1px solid var(--border-dim);
}

.card-stats { display: flex; gap: var(--sp-sm); }
.card-stat  { font-size: 0.58rem; color: rgba(var(--fg-rgb), 0.28); }
.stat-num   { color: var(--accent-green); font-weight: 700; }

.card-link {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-cyan);
  transition: color var(--tr-fast);
}

.card-link:hover { color: var(--accent-green); }

/* --- Sprint Milestones -------------------------------------- */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 860px;
}

.timeline-track {
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--accent-green) 0%,
    var(--accent-green) 52%,
    rgba(var(--fg-rgb), 0.18) 52%,
    rgba(var(--fg-rgb), 0.18) 100%
  );
  transform-origin: top center;
}

.milestone {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  padding-bottom: var(--sp-xl);
  position: relative;
}

.milestone:last-child { padding-bottom: 0; }

.milestone-connector {
  flex-shrink: 0;
  width: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.milestone-node {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  margin-top: 1px;
}

.milestone-card {
  flex: 1;
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  transition: all var(--tr-med);
}

.milestone-card:hover { border-color: var(--border-mid); background: var(--bg-card-hover); }

.node-done   { background: var(--accent-green); color: var(--on-accent); border: 2px solid var(--accent-green); box-shadow: 0 0 12px rgba(var(--accent-green-rgb), 0.38); }
.node-active { background: var(--bg-void); color: var(--accent-cyan); border: 2px solid var(--accent-cyan); box-shadow: 0 0 16px rgba(var(--fg-rgb), 0.45); }
.node-queued { background: var(--bg-void); color: rgba(var(--fg-rgb), 0.28); border: 2px solid rgba(var(--fg-rgb), 0.18); }

.node-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent-cyan);
  opacity: 0;
  animation: nodePulse 2s ease-out infinite;
}

@keyframes nodePulse {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(1.8); opacity: 0; }
}

.card-active  { border-color: rgba(var(--fg-rgb), 0.28); background: rgba(var(--fg-rgb), 0.02); }
.card-queued  { opacity: 0.52; }

.milestone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-sm);
}

.milestone-id     { font-size: 0.58rem; letter-spacing: 0.2em; color: rgba(var(--fg-rgb), 0.32); }
.milestone-status { font-size: 0.56rem; letter-spacing: 0.14em; font-weight: 700; padding: 0.14rem 0.48rem; border-radius: 1px; }
.status-done   { color: var(--accent-green); background: rgba(var(--accent-green-rgb), 0.07); }
.status-active { color: var(--accent-cyan);  background: rgba(var(--fg-rgb), 0.09); }
.status-queued { color: rgba(var(--fg-rgb), 0.28); background: rgba(var(--fg-rgb), 0.04); }

.milestone-title  { font-size: 0.98rem; font-weight: 800; color: var(--text-strong); letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.milestone-detail { font-size: 0.7rem; color: rgba(var(--fg-rgb), 0.4); line-height: 1.7; margin-bottom: var(--sp-sm); }

.milestone-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.meta-item { font-size: 0.58rem; color: rgba(var(--fg-rgb), 0.32); letter-spacing: 0.1em; }

.pulse-text {
  color: var(--accent-cyan);
  animation: textPulse 2s ease-in-out infinite;
}

@keyframes textPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.38; }
}

.milestone-progress { margin-bottom: var(--sp-sm); }

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.progress-label { font-size: 0.58rem; letter-spacing: 0.16em; color: rgba(var(--fg-rgb), 0.38); }
.progress-pct   { font-size: 0.78rem; font-weight: 800; color: var(--accent-cyan); }

.progress-track {
  height: 8px;
  background: rgba(var(--fg-rgb), 0.07);
  border: 1px solid var(--border-dim);
  border-radius: 1px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  border-radius: 1px;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-shimmer {
  position: absolute;
  top: 0;
  left: -60%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(var(--fg-rgb), 0.28), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  from { left: -60%; }
  to   { left: 110%; }
}

/* --- Vishnu AI Phases --------------------------------------- */
.phase-track-wrapper {
  position: relative;
  height: 2px;
  margin: 0 0 -20px;
}

.phase-track-line {
  position: absolute;
  left: 40px;
  right: 40px;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent-green) 0%,
    var(--accent-green) 75%,
    rgba(var(--fg-rgb), 0.18) 75%,
    rgba(var(--fg-rgb), 0.18) 100%
  );
}

.phases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  position: relative;
  padding-top: 24px;
}

.phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: transform var(--tr-med), border-color var(--tr-med), box-shadow var(--tr-med), background var(--tr-med);
}

.phase-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-green-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--tr-med);
  pointer-events: none;
}

.phase-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-green-rgb), 0.28);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 50px var(--shadow-c), 0 0 22px rgba(var(--accent-green-rgb), 0.05);
}

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

.phase-active {
  border-color: rgba(var(--fg-rgb), 0.28);
  background: rgba(var(--fg-rgb), 0.02);
}

.phase-active::after {
  content: "CURRENT BUILD";
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.46rem;
  letter-spacing: 0.2em;
  color: var(--accent-cyan);
  opacity: 0.52;
}

.phase-glow-ring {
  position: absolute;
  inset: -2px;
  border-radius: 5px;
  pointer-events: none;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green), transparent, transparent);
  opacity: 0.1;
  animation: phaseRingRotate 4s linear infinite;
}

@keyframes phaseRingRotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.phase-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phase-num-badge {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.phase-num-label { font-size: 0.48rem; letter-spacing: 0.2em; color: rgba(var(--fg-rgb), 0.32); }
.phase-num-val   { font-size: 1.45rem; font-weight: 900; color: var(--accent-green); line-height: 1; }
.phase-active .phase-num-val { color: var(--accent-cyan); }

.phase-status-tag {
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  padding: 0.18rem 0.5rem;
  border-radius: 1px;
}

.ps-done   { color: var(--accent-green); background: rgba(var(--accent-green-rgb), 0.07); }
.ps-active { color: var(--accent-cyan);  background: rgba(var(--fg-rgb), 0.09); animation: textPulse 2s ease-in-out infinite; }

.phase-node-row {
  display: flex;
  justify-content: center;
  margin: 0.2rem 0;
}

.phase-node {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  position: relative;
}

.pn-done   { background: var(--accent-green); color: var(--on-accent); box-shadow: 0 0 12px rgba(var(--accent-green-rgb), 0.42); }
.pn-active { background: var(--bg-void); color: var(--accent-cyan); border: 2px solid var(--accent-cyan); box-shadow: 0 0 16px rgba(var(--fg-rgb), 0.48); }

.phase-title   { font-size: 0.98rem; font-weight: 800; color: var(--text-strong); letter-spacing: 0.08em; }
.phase-version { color: var(--accent-green); }
.vf-force      { color: var(--accent-cyan); text-shadow: 0 0 10px rgba(var(--fg-rgb), 0.45); }

.phase-desc { font-size: 0.68rem; color: rgba(var(--fg-rgb), 0.4); line-height: 1.7; flex: 1; }
.phase-desc em { color: var(--accent-green); font-style: normal; }

.phase-tools {
  margin-top: auto;
  padding-top: var(--sp-sm);
  border-top: 1px solid var(--border-dim);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pt-label { font-size: 0.5rem; letter-spacing: 0.2em; color: rgba(var(--fg-rgb), 0.28); }
.pt-tags  { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.pt-tag {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: 2px;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.08em;
}

.pt-role { font-size: 0.48rem; opacity: 0.65; font-weight: 600; letter-spacing: 0.14em; background: var(--chip-bg); padding: 0 3px; border-radius: 1px; }

.pt-none    { background: rgba(var(--fg-rgb), 0.04); color: rgba(var(--fg-rgb), 0.48); border: 1px solid rgba(var(--fg-rgb), 0.1); }
.pt-chatgpt { background: rgba(16,163,127,0.1);  color: #10a37f; border: 1px solid rgba(16,163,127,0.28); }
.pt-grok    { background: rgba(var(--fg-rgb), 0.06); color: rgba(var(--fg-rgb), 0.72); border: 1px solid rgba(var(--fg-rgb), 0.14); }
.pt-gemini  { background: rgba(66,133,244,0.09); color: #4285f4; border: 1px solid rgba(66,133,244,0.22); }
.pt-claude  { background: rgba(0,204,255,0.09); color: var(--accent-cyan); border: 1px solid rgba(0,204,255,0.28); box-shadow: 0 0 8px rgba(0,204,255,0.09); }

.vforce-bar-wrap {
  margin-top: var(--sp-sm);
  padding-top: var(--sp-sm);
  border-top: 1px solid rgba(var(--fg-rgb), 0.09);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.vforce-bar-label { font-size: 0.5rem; letter-spacing: 0.14em; color: rgba(var(--fg-rgb), 0.38); white-space: nowrap; }
.vforce-bar-track { flex: 1; height: 5px; background: rgba(var(--fg-rgb), 0.07); border-radius: 2px; overflow: hidden; }
.vforce-bar-fill  { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green)); border-radius: 2px; transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1); position: relative; }
.vforce-bar-val   { font-size: 0.68rem; font-weight: 800; color: var(--accent-cyan); white-space: nowrap; }

/* --- Achievements + Stats ----------------------------------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}

.stat-counter {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--tr-med);
}

.stat-counter::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
}

.stat-counter:hover { border-color: rgba(var(--accent-green-rgb), 0.28); transform: translateY(-4px); box-shadow: 0 12px 32px var(--shadow-c-sm); }
.sc-val { font-size: 2.2rem; font-weight: 900; color: var(--accent-green); line-height: 1; margin-bottom: 0.4rem; }
.sc-key { font-size: 0.56rem; letter-spacing: 0.18em; color: rgba(var(--fg-rgb), 0.38); }

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-md);
  position: relative;
  overflow: hidden;
  transition: all var(--tr-med);
}

.achievement-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
}

.ach-gold::before   { background: linear-gradient(to bottom, #ffd700, #ff8c00); }
.ach-silver::before { background: linear-gradient(to bottom, var(--accent-green), var(--accent-cyan)); }
.ach-cyan::before   { background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-green)); }

.achievement-card:hover { border-color: rgba(var(--accent-green-rgb), 0.25); transform: translateY(-4px); box-shadow: 0 16px 40px var(--shadow-c-sm); background: var(--bg-card-hover); }

.ach-icon  { font-size: 1.6rem; flex-shrink: 0; }
.ach-title { font-size: 0.82rem; font-weight: 800; color: var(--text-strong); letter-spacing: 0.06em; margin-bottom: 0.4rem; }
.ach-desc  { font-size: 0.68rem; color: rgba(var(--fg-rgb), 0.42); line-height: 1.65; margin-bottom: 0.5rem; }
.ach-tag   { font-size: 0.52rem; letter-spacing: 0.16em; color: rgba(var(--accent-green-rgb), 0.5); font-weight: 600; }

/* --- Contact ----------------------------------------------- */
.sector-contact {
  background: linear-gradient(180deg, var(--bg-void), var(--wash-tint) 50%, var(--bg-void));
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  position: relative;
  overflow: hidden;
  cursor: none;
  transition: all var(--tr-med);
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-green-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--tr-med);
  pointer-events: none;
}

.contact-card:hover { border-color: var(--accent-green); transform: translateY(-5px); box-shadow: 0 18px 45px var(--shadow-c), 0 0 22px rgba(var(--accent-green-rgb), 0.07); background: var(--bg-card-hover); }
.contact-card:hover::before { opacity: 1; }

.contact-card-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  transition: all var(--tr-med);
}

.contact-card:hover .contact-card-icon { border-color: var(--accent-green); color: var(--accent-green); }
.contact-card-icon svg { width: 20px; height: 20px; }

.contact-card-info    { flex: 1; }
.contact-card-label   { font-size: 0.52rem; letter-spacing: 0.2em; color: rgba(var(--fg-rgb), 0.32); margin-bottom: 3px; }
.contact-card-value   { font-size: 0.8rem; font-weight: 700; color: var(--text-strong); }

.contact-card-link {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-cyan);
  white-space: nowrap;
  transition: color var(--tr-fast);
  font-weight: 600;
}

.contact-card:hover .contact-card-link { color: var(--accent-green); }

.contact-terminal {
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  font-size: 0.72rem;
}

.ct-line { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.4rem; }
.ct-line:last-child { margin-bottom: 0; }
.ct-prompt   { color: var(--accent-green); font-weight: 700; }
.ct-cmd      { color: var(--text-strong); }
.ct-response { color: rgba(var(--fg-rgb), 0.48); padding-left: 1.4rem; font-size: 0.68rem; opacity: 0; transform: translateX(-8px); }
@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.ct-cursor   { animation: blinkCursor 1s step-end infinite; color: var(--accent-green); }

/* --- Footer ------------------------------------------------- */
.site-footer {
  padding: var(--sp-xl) var(--sp-lg) var(--sp-lg);
  border-top: 1px solid var(--border-dim);
  background: var(--surface-nav-solid);
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--sp-xl);
  margin-bottom: var(--sp-xl);
}

.footer-logo    { font-size: 1.15rem; font-weight: 900; letter-spacing: 0.2em; color: var(--accent-green); margin-bottom: var(--sp-sm); }
.footer-tagline { font-size: 0.68rem; color: rgba(var(--fg-rgb), 0.28); line-height: 1.7; }

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
}

.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col-title { font-size: 0.58rem; letter-spacing: 0.24em; color: rgba(var(--fg-rgb), 0.32); margin-bottom: 0.4rem; }

.footer-link { font-size: 0.7rem; color: rgba(var(--fg-rgb), 0.42); transition: color var(--tr-fast); }
.footer-link:hover { color: var(--accent-green); }

.footer-status { display: flex; flex-direction: column; gap: var(--sp-sm); align-items: flex-end; }
.footer-sys-status { display: flex; align-items: center; gap: 0.4rem; font-size: 0.62rem; color: var(--accent-green); letter-spacing: 0.11em; }

.footer-build-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.58rem;
  color: rgba(var(--fg-rgb), 0.28);
  text-align: right;
  letter-spacing: 0.09em;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--sp-md);
  border-top: 1px solid var(--border-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.6rem;
  color: rgba(var(--fg-rgb), 0.22);
  letter-spacing: 0.09em;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-heart { color: rgba(var(--accent-green-rgb), 0.4); }
.footer-code  { color: rgba(var(--accent-green-rgb), 0.18); }

/* --- Responsive -------------------------------------------- */
@media (max-width: 1024px) {
  .dev-grid { grid-template-columns: 1fr 1fr; }
  .card-featured { grid-column: span 2; }
  .phases-grid { grid-template-columns: repeat(2, 1fr); }
  .phase-track-wrapper { display: none; }
  .phases-grid { padding-top: 0; }
  .build-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-identity-card { position: static; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .achievements-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --sp-2xl: 4rem; --sp-xl: 2.4rem; }
  .nav-hamburger { display: flex; }
  .nav-status    { display: none; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--surface-nav-solid);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    border-bottom: 1px solid var(--border-dim);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--tr-med);
  }
  .nav-links.open { max-height: 500px; }
  .nav-link { padding: 0.9rem 0; width: 100%; text-align: center; font-size: 0.72rem; border-bottom: 1px solid var(--border-dim); }
  .dev-grid { grid-template-columns: 1fr; }
  .card-featured { grid-column: span 1; }
  .build-grid { grid-template-columns: 1fr; }
  .now-list   { grid-template-columns: 1fr; }
  .phases-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .hero-scroll-indicator { display: none; }
  .hero-status-bar { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .milestone { gap: var(--sp-sm); }
  .milestone-card { padding: var(--sp-sm); }
  .cursor-dot,
  .cursor-ring { display: none; }
  body { cursor: auto; }
}

@media (max-width: 480px) {
  .sector-title { font-size: 1.5rem; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .now-block  { padding: var(--sp-md); }
}

/* --- Cross-browser Fallbacks ------------------------------- */
@supports not (backdrop-filter: blur(14px)) {
  .nav-bar   { background: var(--surface-nav-solid); }
  .nav-links { background: var(--surface-nav-solid); }
}

/* --- Accessibility: Focus Rings ---------------------------- */
.nav-link:focus-visible,
.btn:focus-visible,
.card-link:focus-visible,
.footer-link:focus-visible,
.contact-card:focus-visible,
.project-card:focus-visible,
.contact-card-link:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Anchor scroll offset ---------------------------------- */
:target { scroll-margin-top: calc(var(--nav-height) + 20px); }

/* --- Font optimization ------------------------------------- */
@font-face {
  font-family: "JetBrains Mono";
  font-display: swap;
}

/* --- prefers-reduced-motion -------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .progress-fill,
  .vforce-bar-fill,
  .loader-bar-fill {
    transition: width 0.3s ease !important;
  }
  .hero-name::before,
  .hero-name::after { display: none; }
}

/* --- Print Styles ------------------------------------------ */
@media print {
  .loader,
  .cursor-dot,
  .cursor-ring,
  .scroll-progress-bar,
  .nav-bar,
  .hero-grid-bg { display: none; }
  body { background: #fff; color: #000; }
  .sector { padding: 2rem 0; }
}

/* --- Confidential badge + client tag ------------------------ */
.card-status-confidential {
  color: var(--alert-warn);
}

.card-client {
  color: var(--accent-green);
  font-weight: 700;
}

/* --- Card feature list (Smart Elderly Robot) ----------------- */
.card-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.cfl-item {
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: rgba(var(--fg-rgb), 0.55);
  background: rgba(var(--fg-rgb), 0.05);
  border: 1px solid var(--border-dim);
  padding: 0.25rem 0.55rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* --- Vishnu AI Force Architecture Diagram -------------------- */
.arch-block {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--border-dim);
}

.arch-header {
  margin-bottom: var(--sp-lg);
}

.arch-title {
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--text-strong);
  margin-bottom: 0.5rem;
}

.arch-note {
  font-size: 0.68rem;
  color: rgba(var(--fg-rgb), 0.4);
  font-style: italic;
}

.arch-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: var(--sp-xl);
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}

.arch-step {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: border-color var(--tr-med), transform var(--tr-med);
}

.arch-step:hover {
  border-color: rgba(var(--accent-green-rgb), 0.3);
  transform: translateX(3px);
}

.arch-step-icon { font-size: 1rem; flex-shrink: 0; }

.arch-step-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(var(--fg-rgb), 0.75);
  letter-spacing: 0.06em;
}

.arch-step-highlight {
  border-color: rgba(var(--fg-rgb), 0.4);
  background: rgba(var(--fg-rgb), 0.04);
}

.arch-step-highlight .arch-step-label { color: var(--accent-cyan); }

.arch-step-final {
  border-color: rgba(var(--accent-green-rgb), 0.4);
  background: rgba(var(--accent-green-rgb), 0.04);
}

.arch-step-final .arch-step-label { color: var(--accent-green); }

.arch-connector {
  color: rgba(var(--fg-rgb), 0.3);
  font-size: 0.9rem;
  line-height: 1;
}

.arch-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}

.arch-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: var(--sp-md);
  text-align: center;
  transition: border-color var(--tr-med), transform var(--tr-med);
}

.arch-feature-card:hover {
  border-color: rgba(var(--accent-green-rgb), 0.28);
  transform: translateY(-4px);
}

.arch-feature-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.arch-feature-title {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.arch-feature-desc {
  font-size: 0.62rem;
  color: rgba(var(--fg-rgb), 0.4);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .arch-features-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .arch-features-grid { grid-template-columns: 1fr; }
}