/* ==========================================================================
   MINIMAL & INTERACTIVE VISUAL ROADMAP PORTFOLIO - CORE STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Dark Canvas Colors */
  --bg-deep: #05070d;
  --bg-surface: #0a0e1a;
  --bg-card: rgba(14, 20, 36, 0.65);
  --bg-card-hover: rgba(20, 29, 52, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(56, 189, 248, 0.4);

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #334155;

  /* Accent & Energy Colors */
  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.25);
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout Spacing */
  --container-w: 1100px;
  --nav-left-w-collapsed: 54px;
  --nav-left-w-expanded: 190px;
  --roadmap-line-w: 2px;
  
  /* Transitions */
  --t-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --t-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --t-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient Subtle Technical Grid */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 50% 30%, rgba(56, 189, 248, 0.04) 0%, transparent 60%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 64px 64px, 64px 64px;
  pointer-events: none;
  z-index: 0;
}

/* Ambient Cursor Glow (Desktop Only) */
.ambient-glow-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 500px;
  height: 500px;
  margin-left: -250px;
  margin-top: -250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.06) 0%, rgba(99, 102, 241, 0.02) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
  will-change: transform;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

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

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* --------------------------------------------------------------------------
   3. Floating Left Navigation (Centered Dots, Subtle Rounded Box)
   -------------------------------------------------------------------------- */
.floating-nav {
  position: fixed;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  z-index: 900;
  width: 44px;
  background: rgba(10, 14, 26, 0.88);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 8px 0;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.7);
  transition: width var(--t-normal), background var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
  overflow: hidden;
}

.floating-nav:hover,
.floating-nav:focus-within {
  width: 176px;
  background: rgba(10, 14, 26, 0.96);
  border-color: rgba(56, 189, 248, 0.35);
  border-radius: 12px;
  box-shadow: 0 16px 40px -6px rgba(0, 0, 0, 0.85), 0 0 25px -4px var(--accent-cyan-glow);
  padding: 8px 0;
}

.nav-pill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0 4px;
  width: 100%;
}

.nav-pill-link {
  display: flex;
  align-items: center;
  width: 100%;
  height: 34px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--t-fast);
  text-decoration: none;
  padding: 0;
}

.nav-dot-wrap {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #64748b;
  transition: all var(--t-fast);
}

.nav-pill-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-pill-link.active {
  color: #ffffff;
  background: rgba(56, 189, 248, 0.16);
}

.nav-pill-link.active .nav-dot {
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  transform: scale(1.25);
}

.nav-pill-label {
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding-right: 14px;
}

.nav-pill-link:hover .nav-pill-label,
.nav-pill-link.active .nav-pill-label {
  color: #ffffff;
}

.floating-nav:hover .nav-pill-label,
.floating-nav:focus-within .nav-pill-label {
  opacity: 1;
  transform: translateX(0);
}

/* Mobile Navigation Backdrop Overlay */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 20, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 990;
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.mobile-nav-backdrop.is-active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-header {
  display: none;
}

/* Mobile Quick Nav Toggle (Bottom Corner) */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(14, 20, 36, 0.92);
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-cyan-glow);
  color: #ffffff;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}

.mobile-nav-toggle:active {
  transform: scale(0.92);
}

.mobile-nav-toggle.is-active {
  background: rgba(16, 24, 48, 0.98);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 25px var(--accent-cyan-glow);
}

.mobile-nav-toggle .icon-menu-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav-toggle .icon-menu-close {
  display: none;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav-toggle.is-active .icon-menu-dots {
  display: none;
}

.mobile-nav-toggle.is-active .icon-menu-close {
  display: flex;
}

/* --------------------------------------------------------------------------
   4. Hero Section ("Build. Ship. Scale.")
   -------------------------------------------------------------------------- */
.hero-roadmap {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 80px 0 60px 0;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero-identity {
  display: flex;
  flex-direction: column;
}

.hero-avail-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 14px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #6ee7b7;
  margin-bottom: 24px;
  width: fit-content;
}

.hero-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.hero-title-strong {
  font-size: clamp(3rem, 7vw, 4.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: #ffffff;
  margin-bottom: 18px;
}

.hero-title-accent {
  background: linear-gradient(135deg, #38bdf8 0%, #3b82f6 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subline {
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.hero-tech-line {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--accent-cyan);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.btn-pill-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 600;
  box-shadow: 0 4px 20px -2px rgba(37, 99, 235, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--t-fast);
}

.btn-pill-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.6);
}

.btn-pill-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.03);
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid var(--border-subtle);
  transition: all var(--t-fast);
}

.btn-pill-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Hero Right: Interactive Architecture Diagram */
.hero-diagram-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.arch-canvas {
  width: 100%;
  max-width: 440px;
  background: rgba(14, 20, 36, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 24px;
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7), 0 0 35px -5px var(--accent-cyan-glow);
  position: relative;
}

.arch-layer {
  display: flex;
  justify-content: center;
  position: relative;
  margin: 18px 0;
}

.arch-layer:first-child { margin-top: 0; }
.arch-layer:last-child { margin-bottom: 0; }

.arch-node {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #ffffff;
  transition: all var(--t-fast);
  cursor: default;
  position: relative;
}

.arch-node:hover,
.arch-node.pulse {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  transform: scale(1.04);
}

.arch-split-row {
  display: flex;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
}

.arch-connector-v {
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--accent-cyan) 0%, rgba(56, 189, 248, 0.2) 100%);
  margin: 0 auto;
  position: relative;
}

.arch-pulse-particle {
  position: absolute;
  top: 0;
  left: -2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse-down 2s infinite ease-in-out;
}

/* --------------------------------------------------------------------------
   4.5. Developer Profile & Identity Strip (Below Hero)
   -------------------------------------------------------------------------- */
.dev-profile-section {
  padding: 30px 0 50px 0;
  position: relative;
  z-index: 2;
}

.dev-profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 36px 44px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 44px;
  align-items: center;
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.75);
  transition: border-color var(--t-normal), box-shadow var(--t-normal);
}

.dev-profile-card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.85), 0 0 25px -5px var(--accent-cyan-glow);
}

.dev-profile-photo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.dev-profile-photo-ring {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.6) 0%, rgba(99, 102, 241, 0.3) 50%, rgba(255, 255, 255, 0.1) 100%);
  box-shadow: 0 0 25px -4px var(--accent-cyan-glow), 0 12px 30px rgba(0, 0, 0, 0.6);
  position: relative;
}

.dev-profile-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.dev-profile-monogram {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #152238 0%, #080d1a 100%);
  border: 1px solid rgba(56, 189, 248, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 25px rgba(56, 189, 248, 0.18);
  user-select: none;
}

.dev-profile-monogram span {
  font-family: var(--font-mono);
  font-size: 3.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #ffffff 25%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 16px rgba(56, 189, 248, 0.45));
}

.dev-profile-badge-status {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: #38bdf8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dev-profile-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.dev-profile-role-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.dev-profile-name {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
  line-height: 1.1;
}

.dev-profile-bio {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 680px;
  margin-bottom: 24px;
}

.dev-profile-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.profile-metric-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.profile-metric-pill .metric-val {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
}

.profile-metric-pill .metric-lbl {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dev-profile-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nexxtapp-inline-link,
.bio-brand-link {
  color: var(--accent-cyan);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: all var(--t-fast);
}

.nexxtapp-inline-link:hover,
.bio-brand-link:hover {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

.dev-affiliation-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 4px 14px;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  font-weight: 600;
  vertical-align: middle;
  margin-left: 10px;
  letter-spacing: 0.02em;
}

.dev-affiliation-badge a {
  color: #38bdf8;
  text-decoration: none;
  transition: color var(--t-fast);
}

.dev-affiliation-badge a:hover {
  color: #ffffff;
}

.btn-pill-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #ffffff;
  transition: all var(--t-fast);
}

.btn-pill-brand:hover {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25) 0%, rgba(99, 102, 241, 0.25) 100%);
  border-color: #38bdf8;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.25);
}

.footer-company-ref a {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
}

.footer-company-ref a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   5. Continuous Animated Roadmap Track
   -------------------------------------------------------------------------- */
.roadmap-container {
  position: relative;
  padding: 40px 0;
}

/* Central Glowing Roadmap Track Spine - Desktop Left Aligned */
.roadmap-line-track {
  position: absolute;
  top: 40px;
  bottom: 80px;
  left: calc((100% - min(var(--container-w), 100%)) / 2 + 52px);
  transform: translateX(-50%);
  width: 2px;
  pointer-events: none;
  z-index: 1;
}

.roadmap-line-base {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.08);
}

.roadmap-line-glow {
  position: absolute;
  top: 0;
  left: -1px;
  width: 4px;
  height: 0%;
  background: linear-gradient(180deg, #38bdf8 0%, #3b82f6 50%, #818cf8 100%);
  box-shadow: 0 0 10px #38bdf8, 0 0 20px rgba(56, 189, 248, 0.7);
  border-radius: 9999px;
  will-change: height;
  transition: height 0.04s ease-out;
}

.roadmap-line-head {
  position: absolute;
  left: 50%;
  top: 0%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #38bdf8;
  box-shadow: 0 0 14px 2px #38bdf8, 0 0 24px #38bdf8;
  transform: translate(-50%, -50%);
  opacity: 0;
  will-change: top, opacity;
  transition: top 0.04s ease-out, opacity 0.2s ease;
  z-index: 2;
}

/* Roadmap Milestone Item */
.roadmap-milestone {
  position: relative;
  z-index: 2;
  margin: 110px 0;
  display: flex;
  flex-direction: column;
}

.milestone-marker {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.milestone-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 1.5px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all var(--t-normal);
  box-shadow: 0 0 0 6px var(--bg-deep);
  flex-shrink: 0;
}

.roadmap-milestone.active .milestone-badge {
  border-color: var(--accent-cyan);
  color: #ffffff;
  background: rgba(56, 189, 248, 0.15);
  box-shadow: 0 0 0 6px var(--bg-deep), 0 0 20px var(--accent-cyan-glow);
}

.milestone-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  transition: all var(--t-normal);
}

.roadmap-milestone.active .milestone-tag {
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.1);
}

.milestone-heading {
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  font-weight: 800;
  text-align: left;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.025em;
  padding-left: 56px;
}

.milestone-summary {
  font-size: 1.15rem;
  color: var(--text-secondary);
  text-align: left;
  max-width: 720px;
  margin: 0 0 36px 0;
  padding-left: 56px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   6. Milestone 01: BUILD — Interconnected Tech Web (Frontend + Backend)
   -------------------------------------------------------------------------- */
.tech-web-canvas {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  max-width: 920px;
  margin-left: 56px;
  margin-right: auto;
  padding: 10px 0 20px 0;
  width: calc(100% - 56px);
}

.tech-tier-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.tech-tier-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tech-tier-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 4px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.tech-tier-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.25) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.tech-node-cluster {
  display: grid;
  gap: 16px;
  width: 100%;
}

.tech-cluster-4 {
  grid-template-columns: repeat(4, 1fr);
}

.tech-cluster-3 {
  grid-template-columns: repeat(3, 1fr);
}

.tech-node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px 18px;
  text-align: left;
  backdrop-filter: blur(12px);
  transition: all var(--t-normal);
  cursor: default;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tech-node-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -5px rgba(0, 0, 0, 0.65), 0 0 20px -5px var(--accent-cyan-glow);
}

.tech-node-icon {
  font-size: 1.6rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.tech-node-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.tech-node-role {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.tech-node-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}

/* --------------------------------------------------------------------------
   7. Milestone 02: CONNECT — API & Data Hub Diagram
   -------------------------------------------------------------------------- */
.api-hub-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 40px 30px;
  max-width: 900px;
  margin-left: 56px;
  margin-right: auto;
  backdrop-filter: blur(12px);
}

.api-flow-row {
  display: grid;
  grid-template-columns: 1fr auto 1.5fr;
  gap: 32px;
  align-items: center;
}

.api-endpoint-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.api-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.api-method-get { color: #34d399; }
.api-method-post { color: #38bdf8; }

.api-hub-core {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  border: 2px solid var(--accent-cyan);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  box-shadow: 0 0 25px var(--accent-cyan-glow);
}

.api-targets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.api-target-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.api-target-chip:hover {
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
}

/* --------------------------------------------------------------------------
   8. Milestone 03: DEPLOY — Code to Production Pipeline
   -------------------------------------------------------------------------- */
.pipeline-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin-left: 56px;
  margin-right: auto;
  position: relative;
  padding: 20px 0;
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 2;
}

.pipeline-icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  transition: all var(--t-fast);
}

.pipeline-step:hover .pipeline-icon-circle {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-cyan-glow);
  transform: scale(1.1);
}

.pipeline-step-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #ffffff;
}

.pipeline-arrow {
  color: var(--text-dim);
  font-size: 1.2rem;
  margin-top: -24px;
}

/* --------------------------------------------------------------------------
   9. Milestone 04: SCALE — 4 Capability Matrix
   -------------------------------------------------------------------------- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 920px;
  margin-left: 56px;
  margin-right: auto;
}

.capability-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: all var(--t-normal);
}

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

.capability-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.capability-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.capability-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   10. Milestone 05: WORK — Vertical Project Journey
   -------------------------------------------------------------------------- */
.project-journey-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin-left: 56px;
  margin-right: auto;
}

.project-milestone-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all var(--t-normal);
}

.project-milestone-item:hover,
.project-milestone-item.expanded {
  border-color: var(--border-active);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.7), 0 0 25px -5px var(--accent-cyan-glow);
}

.project-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
}

.project-left-meta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.project-idx {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.project-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.project-tags-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.project-expand-icon {
  color: var(--text-muted);
  transition: transform var(--t-fast);
}

.project-milestone-item.expanded .project-expand-icon {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

.project-drawer {
  display: none;
  padding: 0 28px 28px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 4px;
}

.project-milestone-item.expanded .project-drawer {
  display: block;
}

.project-drawer-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  padding-top: 20px;
}

.project-drawer-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-drawer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.project-drawer-media {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: #080d1a;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.project-drawer-media img {
  border-radius: 9px;
  border: none;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform var(--t-fast);
}

.project-drawer-media:hover img {
  transform: scale(1.02);
}

.project-drawer-desc code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(56, 189, 248, 0.22);
}

/* --------------------------------------------------------------------------
   11. Skills Constellation Graph
   -------------------------------------------------------------------------- */
.constellation-wrapper {
  max-width: 860px;
  margin-left: 56px;
  margin-right: auto;
  position: relative;
  background: rgba(14, 20, 36, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 48px 30px;
  backdrop-filter: blur(12px);
  text-align: center;
}

.constellation-core {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.12);
  border: 2px solid var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  box-shadow: 0 0 30px var(--accent-cyan-glow);
  margin-bottom: 36px;
}

.constellation-nodes-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 680px;
  margin: 0 auto;
}

.const-node {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: #e2e8f0;
  transition: all var(--t-fast);
  cursor: default;
}

.const-node:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

/* --------------------------------------------------------------------------
   12. How I Work & About Terminal
   -------------------------------------------------------------------------- */
.process-flow-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 900px;
  margin-left: 56px;
  margin-right: auto;
}

.process-step-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  transition: all var(--t-normal);
}

.process-step-pill:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.process-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 4px;
}

.process-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

/* Minimal About Visual */
.about-minimal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  max-width: 900px;
  margin-left: 56px;
  margin-right: auto;
}

.about-big-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 16px;
}

.about-stack-flow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  line-height: 1.8;
}

.about-terminal-compact {
  background: #060912;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.8);
}

.term-line-compact {
  margin-bottom: 10px;
  color: #cbd5e1;
}

.term-line-compact:last-child { margin-bottom: 0; }
.term-p { color: #34d399; }
.term-c { color: var(--accent-cyan); }

/* --------------------------------------------------------------------------
   13. Milestone 06: WORK TOGETHER & Compact Contact
   -------------------------------------------------------------------------- */
.contact-minimal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-active);
  border-radius: 24px;
  padding: 40px 36px;
  max-width: 800px;
  margin-left: 56px;
  margin-right: auto;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.8), 0 0 35px -5px var(--accent-cyan-glow);
  text-align: center;
}

.contact-channels-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.channel-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  transition: all var(--t-fast);
}

.channel-pill-btn:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.contact-compact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.compact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.compact-input,
.compact-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: #ffffff;
  font-size: 0.9rem;
  transition: border-color var(--t-fast);
}

.compact-input:focus,
.compact-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.04);
}

.compact-textarea {
  min-height: 90px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   14. Minimal Footer
   -------------------------------------------------------------------------- */
.minimal-footer {
  padding: 60px 0 40px 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.footer-name-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.footer-stack-sub {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-social-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.footer-social-row a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  padding: 8px 20px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 9999px;
  transition: all var(--t-fast);
}

.footer-social-row a:hover {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--accent-cyan);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.footer-copy-text {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   15. Responsive Adaptations
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .tech-node-cluster,
  .tech-cluster-4,
  .tech-cluster-3,
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .api-flow-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .api-hub-core {
    margin: 0 auto;
  }

  .project-drawer-content {
    grid-template-columns: 1fr;
  }

  .about-minimal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Continuous Roadmap line shown ONLY on desktop at left side: hidden on mobile */
  .roadmap-line-track {
    display: none !important;
  }

  /* Mobile Floating Navigation Menu (Anchored above toggle button) */
  .floating-nav {
    display: none;
    position: fixed;
    top: auto;
    left: auto;
    bottom: 84px;
    right: 20px;
    transform: translateY(14px) scale(0.95);
    transform-origin: bottom right;
    width: 224px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    background: rgba(10, 16, 32, 0.97);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 16px;
    padding: 10px 8px 12px 8px;
    box-shadow: 0 20px 45px -5px rgba(0, 0, 0, 0.9), 0 0 25px -4px var(--accent-cyan-glow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .floating-nav.mobile-open {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0) scale(1) !important;
    pointer-events: auto !important;
  }

  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 10px 10px 10px;
    margin-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .mobile-nav-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-cyan);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .mobile-nav-close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease;
  }

  .mobile-nav-close-btn:hover {
    color: #ffffff;
  }

  .floating-nav.mobile-open .nav-pill-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
    width: 100%;
    padding: 0;
    margin: 0;
  }

  .floating-nav.mobile-open .nav-pill-link {
    width: 100%;
    height: 38px;
    display: flex;
    align-items: center;
    padding: 0 10px 0 6px;
    border-radius: 10px;
    text-decoration: none;
    background: transparent;
    transition: all var(--t-fast);
  }

  .floating-nav.mobile-open .nav-dot-wrap {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .floating-nav.mobile-open .nav-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #64748b;
    transition: all var(--t-fast);
  }

  .floating-nav.mobile-open .nav-pill-label {
    opacity: 1 !important;
    transform: none !important;
    display: block !important;
    visibility: visible !important;
    color: #cbd5e1 !important;
    font-size: 0.92rem !important;
    font-weight: 500 !important;
    font-family: var(--font-sans) !important;
    white-space: nowrap !important;
    padding-right: 8px;
  }

  .floating-nav.mobile-open .nav-pill-link:hover .nav-pill-label,
  .floating-nav.mobile-open .nav-pill-link.active .nav-pill-label {
    color: #ffffff !important;
    font-weight: 600 !important;
  }

  .floating-nav.mobile-open .nav-pill-link:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .floating-nav.mobile-open .nav-pill-link.active {
    background: rgba(56, 189, 248, 0.16);
  }

  .floating-nav.mobile-open .nav-pill-link.active .nav-dot {
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    transform: scale(1.3);
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .container {
    padding: 0 20px;
  }

  .dev-profile-card {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    padding: 32px 20px;
    gap: 28px;
  }

  .dev-profile-info {
    align-items: center;
  }

  .dev-profile-bio {
    text-align: center;
  }

  .dev-profile-metrics,
  .dev-profile-actions {
    justify-content: center;
  }

  .milestone-marker {
    justify-content: center;
  }

  .milestone-heading {
    padding-left: 0;
    text-align: center;
    font-size: 2rem;
  }

  .milestone-summary {
    padding-left: 0;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;
  }

  .tech-web-canvas,
  .api-hub-diagram,
  .pipeline-track,
  .capabilities-grid,
  .project-journey-list,
  .constellation-wrapper,
  .process-flow-row,
  .about-minimal-grid,
  .contact-minimal-box {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }

  .pipeline-track {
    flex-direction: column;
    gap: 20px;
  }

  .pipeline-arrow {
    transform: rotate(90deg);
    margin: 0;
  }

  .process-flow-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .compact-form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title-strong {
    font-size: 2.6rem;
  }

  .tech-node-cluster,
  .tech-cluster-4,
  .tech-cluster-3,
  .capabilities-grid,
  .process-flow-row {
    grid-template-columns: 1fr;
  }

  .project-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}