/* ==========================================================================
   SANJAY MAKALA — PORTFOLIO DESIGN SYSTEM
   Aesthetic: Human-Crafted, Ultra-Clean, High-Taste Editorial Engineer
   No Color Gradients: Pure Solid Colors, Generous White Space, Precision Borders
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens (Obsidian Dark & Crisp Editorial Light)
   -------------------------------------------------------------------------- */
:root {
  /* Dark Theme (Default) */
  --bg-base: #0a0c10;
  --bg-surface: #11141c;
  --bg-surface-2: #161b26;
  --bg-surface-elevated: #1e2433;
  --bg-glass: rgba(17, 20, 28, 0.92);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --text-inverse: #0a0c10;

  --hairline: #222734;
  --hairline-strong: #32394c;
  --hairline-focus: #6366f1;

  /* Solid Curated Colors — ZERO Gradients (Electric Indigo Accent) */
  --accent-teal: #6366f1;
  --accent-teal-hover: #4f46e5;
  --accent-teal-subtle: rgba(99, 102, 241, 0.15);
  --accent-emerald: #10b981;
  --accent-emerald-subtle: rgba(16, 185, 129, 0.12);
  --accent-amber: #f59e0b;
  --accent-amber-subtle: rgba(245, 158, 11, 0.12);
  --accent-indigo: #6366f1;
  --accent-indigo-subtle: rgba(99, 102, 241, 0.12);
  --accent-rose: #f43f5e;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);

  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-spring);
  --transition-normal: 250ms var(--ease-spring);

  --nav-height: 70px;
}

[data-theme="light"] {
  --bg-base: #fafafa;
  --bg-surface: #ffffff;
  --bg-surface-2: #f4f4f5;
  --bg-surface-elevated: #e4e4e7;
  --bg-glass: rgba(255, 255, 255, 0.94);

  --text-main: #18181b;
  --text-muted: #71717a;
  --text-dim: #a1a1aa;
  --text-inverse: #ffffff;

  --hairline: #e4e4e7;
  --hairline-strong: #d4d4d8;
  --hairline-focus: #4f46e5;

  --accent-teal: #4f46e5;
  --accent-teal-hover: #4338ca;
  --accent-teal-subtle: rgba(79, 70, 229, 0.12);
  --accent-emerald: #059669;
  --accent-emerald-subtle: rgba(5, 150, 105, 0.1);
  --accent-amber: #d97706;
  --accent-amber-subtle: rgba(217, 119, 6, 0.1);
  --accent-indigo: #4f46e5;
  --accent-indigo-subtle: rgba(79, 70, 229, 0.1);
  --accent-rose: #e11d48;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.1);
}

/* --------------------------------------------------------------------------
   2. Base & Typography
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: var(--accent-teal);
  color: #041312;
}

/* Scrollbar */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--hairline-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* Canvas Layer (Solid Interactive Dots) */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.8;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.font-mono { font-family: var(--font-mono); }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-teal { color: var(--accent-teal); }
.text-emerald { color: var(--accent-emerald); }
.text-amber { color: var(--accent-amber); }
.text-muted { color: var(--text-muted); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }

/* Sections */
.section-container {
  position: relative;
  z-index: 10;
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  border-top: 1px solid var(--hairline);
}

.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.tag-slash {
  color: var(--accent-teal);
  font-weight: 700;
}
.tag-line {
  display: inline-block;
  width: 32px;
  height: 1px;
  background-color: var(--hairline-strong);
}
.tag-num {
  color: var(--text-dim);
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--text-main);
  max-width: 25ch;
}

.section-subheading {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 48ch;
  line-height: 1.6;
}

.header-split {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .header-split {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

/* --------------------------------------------------------------------------
   3. Buttons & Controls (Solid Fills Only)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.45rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
}
.btn:focus-visible {
  box-shadow: 0 0 0 2px var(--accent-teal);
}

/* Primary Button: Solid Teal */
.btn-primary {
  background-color: var(--accent-teal);
  color: #041312;
  border-color: var(--accent-teal);
}
.btn-primary:hover {
  background-color: var(--accent-teal-hover);
  border-color: var(--accent-teal-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button: Solid Surface 2 */
.btn-secondary {
  background-color: var(--bg-surface-2);
  color: var(--text-main);
  border-color: var(--hairline-strong);
}
.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

/* Ghost Button: Solid Transparent with Border */
.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
  border-color: var(--hairline);
}
.btn-ghost:hover {
  background-color: var(--bg-surface-2);
  color: var(--text-main);
  border-color: var(--hairline-strong);
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.8rem;
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline-strong);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   4. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 80;
  background-color: var(--bg-glass);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}
.avatar-ring {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 2px solid var(--accent-teal);
}
.nav-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
}
.status-pulse-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 9px;
  height: 9px;
  background-color: var(--accent-emerald);
  border: 2px solid var(--bg-base);
  border-radius: var(--radius-full);
}

.brand-text {
  display: flex;
  flex-direction: column;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}
.brand-slash {
  color: var(--accent-teal);
}

/* Nav Menu */
.nav-menu {
  display: none;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--bg-surface-2);
  padding: 0.25rem 0.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--hairline);
}
@media (min-width: 880px) {
  .nav-menu {
    display: flex;
  }
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.825rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.nav-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
}
.nav-link.active .nav-num {
  color: var(--accent-teal);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.available-badge {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline-strong);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--text-muted);
}
@media (min-width: 620px) {
  .available-badge {
    display: inline-flex;
  }
}

.beacon {
  position: relative;
  display: inline-flex;
  width: 7px;
  height: 7px;
}
.beacon-dot {
  position: relative;
  display: inline-flex;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background-color: var(--accent-emerald);
}
.beacon-ring {
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--accent-emerald);
  animation: beaconPulse 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes beaconPulse {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.sun-icon { display: none; width: 17px; height: 17px; }
.moon-icon { display: block; width: 17px; height: 17px; }
[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

.mobile-only { display: flex; }
@media (min-width: 880px) {
  .mobile-only { display: none; }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--bg-surface);
  border-left: 1px solid var(--hairline-strong);
  z-index: 100;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-lg);
}
.mobile-drawer.open { right: 0; }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1.25rem;
  flex-grow: 1;
}
.drawer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
}
.drawer-link:hover {
  background-color: var(--bg-surface-2);
  color: var(--accent-teal);
}
.drawer-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   5. Hero Section (Clean, Human, Solid Accents)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  z-index: 10;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding-top: 3rem;
  padding-bottom: 4.5rem;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 992px) {
  .hero-container {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline-strong);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}
.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background-color: var(--accent-teal);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: var(--text-main);
  margin-bottom: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3em;
}

.reveal-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(14px);
  animation: creativeWordReveal 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: var(--d, 0ms);
}

@keyframes creativeWordReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-highlight-phrase {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.solid-accent {
  color: var(--accent-teal);
  position: relative;
  display: inline-block;
}

.hand-drawn-underline {
  position: absolute;
  left: -2px;
  bottom: -8px;
  width: calc(100% + 4px);
  height: 14px;
  pointer-events: none;
  overflow: visible;
}

.hand-drawn-underline path {
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: drawHandUnderline 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

@keyframes drawHandUnderline {
  to {
    stroke-dashoffset: 0;
  }
}

.hero-description {
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 50ch;
  margin-bottom: 2rem;
}

.highlight-wavy {
  position: relative;
  display: inline-block;
  color: var(--text-main);
  text-decoration: underline;
  text-decoration-color: var(--accent-teal);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.hero-socials {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
}
.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.social-chip:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--hairline-strong);
  transform: translateY(-1px);
}
.social-divider {
  width: 1px;
  height: 18px;
  background-color: var(--hairline-strong);
  margin: 0 0.2rem;
}
.stat-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.stat-num {
  color: var(--accent-teal);
  font-weight: 700;
}
.stat-lbl {
  color: var(--text-dim);
}

/* Device Showcase Frame (Solid Minimalist) */
.hero-device-frame {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}
.hero-device-frame:hover {
  transform: translateY(-3px);
}

.frame-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background-color: var(--bg-surface-2);
  border-bottom: 1px solid var(--hairline);
}
.dots {
  display: flex;
  gap: 5px;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.frame-url {
  font-size: 0.7rem;
  color: var(--text-dim);
  background-color: var(--bg-surface);
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--hairline);
}
.frame-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-emerald);
  background-color: var(--accent-emerald-subtle);
  border: 1px solid var(--accent-emerald);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
}

.frame-screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #000;
  overflow: hidden;
}
.frame-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-spring), opacity 0.2s ease;
}
.hero-device-frame:hover .frame-img {
  transform: scale(1.02);
}

.frame-overlay-card {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  background-color: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.overlay-icon { font-size: 1.3rem; }
.overlay-text { display: flex; flex-direction: column; flex-grow: 1; }
.overlay-title { font-weight: 600; font-size: 0.825rem; color: var(--text-main); }
.overlay-subtitle { font-size: 0.7rem; color: var(--text-muted); }
.overlay-btn {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--accent-teal);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline);
  white-space: nowrap;
}
.overlay-btn:hover {
  background-color: var(--accent-teal);
  color: #041312;
}

.hero-preview-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background-color: var(--bg-surface-2);
  border-top: 1px solid var(--hairline);
}
.preview-tab {
  padding: 0.7rem;
  background-color: transparent;
  border: none;
  border-right: 1px solid var(--hairline);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}
.preview-tab:last-child { border-right: none; }
.preview-tab span { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-dim); }
.preview-tab:hover { background-color: var(--bg-surface-elevated); color: var(--text-main); }
.preview-tab.active {
  background-color: var(--bg-surface);
  color: var(--accent-teal);
  box-shadow: inset 0 -2px 0 var(--accent-teal);
}
.preview-tab.active span { color: var(--accent-teal); }

/* --------------------------------------------------------------------------
   6. Trust Strip
   -------------------------------------------------------------------------- */
.trust-strip {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background-color: var(--bg-surface);
  padding: 1.15rem 0;
}
.trust-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}
@media (min-width: 768px) {
  .trust-container {
    flex-direction: row;
    justify-content: space-between;
  }
}
.trust-label {
  font-size: 0.725rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem 1.75rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.trust-item:hover { color: var(--text-main); }
.trust-icon { font-size: 0.95rem; }

/* --------------------------------------------------------------------------
   7. Section 01: About Grid & Principles
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.about-bio-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.bio-lead {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--text-main);
  font-weight: 500;
}
.bio-text {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.quick-facts {
  margin-top: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.fact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}
.fact-label { font-family: var(--font-mono); color: var(--text-dim); font-size: 0.78rem; }
.fact-value { color: var(--text-main); font-weight: 500; }

.principles-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.principle-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  gap: 1.15rem;
  transition: all var(--transition-normal);
}
.principle-card:hover {
  border-color: var(--hairline-strong);
  background-color: var(--bg-surface-2);
  transform: translateX(4px);
}
.principle-number {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-teal);
}
.principle-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}
.principle-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   8. Section 02: Products & Showcase (Solid Cards)
   -------------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2.25rem;
}
.filter-btn {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--text-dim);
}
.filter-btn.active {
  background-color: var(--accent-teal);
  color: #041312;
  border-color: var(--accent-teal);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 840px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.product-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-md);
}

.card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #000;
  overflow: hidden;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-spring);
}
.product-card:hover .card-media img {
  transform: scale(1.03);
}

.formula-banner {
  background-color: #080f1a;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.math-visual-bg {
  font-family: var(--font-mono);
  color: var(--accent-teal);
  text-align: center;
}
.math-eq { font-size: 1.1rem; font-weight: bold; opacity: 0.95; }
.math-eq-sub { font-size: 0.9rem; color: var(--accent-emerald); margin-top: 0.65rem; }

.media-badges {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  display: flex;
  gap: 0.45rem;
}
.badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}
.badge-teal {
  background-color: var(--accent-teal-subtle);
  color: var(--accent-teal);
  border: 1px solid var(--accent-teal);
}
.badge-emerald {
  background-color: var(--accent-emerald-subtle);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald);
}
.badge-indigo {
  background-color: var(--accent-indigo-subtle);
  color: var(--accent-indigo);
  border: 1px solid var(--accent-indigo);
}
.badge-amber {
  background-color: var(--accent-amber-subtle);
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber);
}
.badge-muted {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--hairline-strong);
}

.card-body {
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.55rem;
}
.meta-dot {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background-color: var(--text-dim);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 0.55rem;
}
.card-tagline {
  display: block;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.15rem;
}

.card-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.15rem;
  background-color: var(--bg-surface-2);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}
.highlight-chip {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-main);
}

.card-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.35rem;
}
.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  background-color: var(--bg-surface-2);
  padding: 0.18rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}

.card-footer {
  margin-top: auto;
  padding-top: 1.15rem;
  border-top: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.terminal-run-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color var(--transition-fast);
}
.terminal-run-link:hover {
  color: var(--accent-teal);
}

/* --------------------------------------------------------------------------
   9. Section 03: Metrics & Solid Interactive Map
   -------------------------------------------------------------------------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-bottom: 3rem;
}
@media (min-width: 900px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.35rem;
  transition: all var(--transition-normal);
}
.metric-card:hover {
  border-color: var(--accent-teal);
  transform: translateY(-2px);
}
.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}
.metric-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}
.metric-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Map Box (Solid Colors) */
.map-container-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.map-header {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 768px) {
  .map-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.map-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--accent-teal);
  margin-bottom: 0.25rem;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background-color: var(--accent-teal);
}
.map-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}
.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.dot-teal {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--accent-teal);
}
.dot-emerald {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--accent-emerald);
}

.svg-map-wrapper {
  position: relative;
  width: 100%;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
}
.interactive-map-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Map Elements: Pointer Events & Hover Stabilization */
.map-grid, .continents, .connection-arcs, .animated-arc, .ping-circle {
  pointer-events: none;
}

.continents path {
  transition: fill 0.25s ease;
}

.map-node {
  cursor: pointer;
}
.node-hit-area {
  cursor: pointer;
}

.node-core {
  transition: fill var(--transition-fast), stroke var(--transition-fast);
}

.map-node:hover .node-core,
.map-node.active .node-core {
  fill: #a5b4fc;
  stroke: #6366f1;
  stroke-width: 2.5px;
}

.map-node text {
  pointer-events: none;
  user-select: none;
  transition: fill var(--transition-fast);
}
.map-node:hover text,
.map-node.active text {
  fill: #ffffff;
}

/* Calm, Zero-Displacement Radar Ping on Bangalore */
.ping-circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: calmRadarPing 3.2s cubic-bezier(0.1, 0.8, 0.2, 1) infinite;
}

@keyframes calmRadarPing {
  0% { transform: scale(0.6); opacity: 0.85; }
  100% { transform: scale(2.4); opacity: 0; }
}

.animated-arc {
  stroke-dasharray: 6, 6;
  stroke-dashoffset: 120;
  animation: arcDash 16s linear infinite;
}
@keyframes arcDash {
  to { stroke-dashoffset: 0; }
}

/* Docked Active Node Telemetry Inspector Bar (Stable, Zero Flicker) */
.map-telemetry-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.35rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: background-color var(--transition-normal);
}
.telemetry-bar-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.telemetry-beacon {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--accent-teal);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
  animation: beaconPulse 2s ease infinite;
}
@keyframes beaconPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}
.telemetry-label {
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}
.telemetry-val {
  color: var(--accent-teal);
  font-weight: 700;
}
.telemetry-bar-middle {
  flex-grow: 1;
  color: var(--text-muted);
  font-size: 0.76rem;
}
.telemetry-bar-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.telemetry-pill-latency {
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline);
  color: var(--text-muted);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.72rem;
}
.telemetry-pill-status {
  background-color: var(--accent-emerald-subtle);
  border: 1px solid var(--accent-emerald);
  color: var(--accent-emerald);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   10. Section 04: Terminal (Solid Slate / Obsidian)
   -------------------------------------------------------------------------- */
.terminal-window {
  background-color: #0c0e14;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1.15rem;
  background-color: #12151e;
  border-bottom: 1px solid var(--hairline);
}
.terminal-title {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.terminal-hints {
  display: none;
}
@media (min-width: 600px) {
  .terminal-hints { display: block; }
}

.terminal-body {
  padding: 1.35rem;
  min-height: 360px;
  max-height: 480px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: #cbd5e1;
}

.ascii-logo {
  font-size: clamp(0.42rem, 1vw, 0.62rem);
  line-height: 1.1;
  color: var(--accent-teal);
  overflow-x: auto;
  margin-bottom: 0.7rem;
}

.quick-cmd-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}
.cmd-pill {
  background-color: #171c28;
  border: 1px solid #273145;
  color: var(--accent-teal);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.cmd-pill:hover {
  background-color: var(--accent-teal);
  color: #041312;
  border-color: var(--accent-teal);
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.85rem;
}
.prompt-user {
  color: var(--accent-emerald);
  font-weight: 700;
}
.prompt-path {
  color: var(--accent-teal);
}
#terminal-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #ffffff;
  caret-color: var(--accent-teal);
}

.terminal-entry {
  margin-top: 0.65rem;
  margin-bottom: 0.65rem;
}
.cmd-echo { color: var(--text-muted); }
.cmd-output {
  color: #e2e8f0;
  margin-top: 0.2rem;
  white-space: pre-wrap;
}

/* --------------------------------------------------------------------------
   11. Section 05: Tech Arsenal
   -------------------------------------------------------------------------- */
.stack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 900px) {
  .stack-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stack-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-normal);
}
.stack-card:hover {
  border-color: var(--accent-teal);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.stack-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--hairline);
}
.stack-category-icon { font-size: 1.45rem; }
.stack-category-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.stack-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.stack-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.stack-tech-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}
.stack-level {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--accent-teal);
  background-color: var(--bg-surface-2);
  padding: 0.18rem 0.48rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}

/* --------------------------------------------------------------------------
   12. Section 06: Contact Box
   -------------------------------------------------------------------------- */
.contact-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-xl);
  padding: 2.75rem 1.75rem;
  box-shadow: var(--shadow-md);
}
@media (min-width: 768px) {
  .contact-box { padding: 3.75rem; }
}

.contact-header {
  text-align: center;
  max-width: 58ch;
  margin: 0 auto 3rem;
}
.contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}
.contact-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 900px) {
  .contact-split {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}
.contact-info-heading {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline);
  padding: 1.15rem;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}
.contact-method-card:hover {
  border-color: var(--hairline-strong);
}
.method-icon { font-size: 1.35rem; }
.method-details { display: flex; flex-direction: column; flex-grow: 1; }
.method-label { font-family: var(--font-mono); font-size: 0.725rem; color: var(--text-dim); }
.method-val { font-size: 0.9rem; font-weight: 600; color: var(--text-main); }
.copy-btn {
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.copy-btn:hover {
  background-color: var(--accent-teal);
  color: #041312;
  border-color: var(--accent-teal);
}

.social-links-bar {
  display: flex;
  gap: 0.65rem;
}
.social-btn {
  flex: 1;
  text-align: center;
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline);
  padding: 0.55rem 0.45rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.825rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.social-btn:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

/* Interactive Form */
.interactive-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.form-input {
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-input:focus {
  border-color: var(--accent-teal);
}
textarea.form-input {
  resize: vertical;
  min-height: 100px;
}
.form-feedback {
  font-size: 0.825rem;
  font-weight: 600;
  min-height: 1.2rem;
}
.form-feedback.success { color: var(--accent-emerald); }
.form-feedback.error { color: var(--accent-rose); }

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--hairline);
  background-color: var(--bg-base);
  padding: 2.25rem 0;
}
.footer-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
  }
}
.back-to-top {
  color: var(--accent-teal);
  text-decoration: none;
}
.back-to-top:hover { text-decoration: underline; }
.footer-separator { margin: 0 0.45rem; }

/* --------------------------------------------------------------------------
   14. Modals (Architecture Deep Dive)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 660px;
  background-color: var(--bg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  max-height: 85vh;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform 0.2s var(--ease-spring);
}
.modal-backdrop.open .modal-card { transform: scale(1); }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--hairline);
}
.modal-heading {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.2rem;
}
.modal-close-btn {
  background-color: var(--bg-surface-2);
  border: 1px solid var(--hairline);
  color: var(--text-muted);
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.modal-close-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
}

.modal-content {
  padding: 1.5rem;
  overflow-y: auto;
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.modal-section { margin-bottom: 1.35rem; }
.modal-subhead {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}
.modal-arch-list {
  list-style: disc;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
  background-color: var(--bg-surface-2);
  border-top: 1px solid var(--hairline);
}

/* Toast Alert */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--text-main);
  color: var(--text-inverse);
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  z-index: 200;
  opacity: 0;
  transition: all 0.25s var(--ease-spring);
  pointer-events: none;
}
.toast-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   15. Clean Human Micro-Animations
   -------------------------------------------------------------------------- */
.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}
.animate-slide-up {
  opacity: 0;
  transform: translateY(16px);
  animation: slideUp 0.6s var(--ease-spring) forwards;
}
.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.24s; }
.delay-3 { animation-delay: 0.36s; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .hero-title { font-size: 2.15rem; }
  .contact-box { padding: 2rem 1.25rem; }
}