/* ============================================
   RAGHURAMREDDY PORTFOLIO - PREMIUM STYLES
   Designed for Platform Architect Positioning
   ============================================ */

/* CSS Variables - Design Tokens */
/* ── Dark theme is the DEFAULT (all pages use data-theme="dark") ── */
:root,
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --accent-gradient-soft: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    --border-color: #1e293b;
    --card-bg: rgba(17, 17, 24, 0.8);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 0 30px rgba(59, 130, 246, 0.1);
    --glass-bg: rgba(17, 17, 24, 0.9);
    --glass-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --section-padding: 52px;
    --container-max: 1280px;
    --container-padding: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index layers */
    --z-background: -1;
    --z-base: 1;
    --z-overlay: 10;
    --z-nav: 100;
    --z-modal: 1000;

    /* AI Widget Colors */
    --ai-accent: 139, 92, 246;
    --ai-accent-2: 59, 130, 246;
}

/* Light Theme override */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --ai-accent: 92, 106, 196;
    --ai-accent-2: 120, 80, 255;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    /* Hard-coded dark background prevents white flash before CSS variables resolve */
    background-color: #0a0a0f;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Transition suppressed on load via .no-transition class; JS removes it */
    transition: background var(--transition-base), color var(--transition-base);
}

/* Suppress all transitions during page load / theme init */
.no-transition,
.no-transition * {
    transition: none !important;
}

/* Background Elements */
.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: -3;
    background: 
        radial-gradient(1200px 700px at 20% 10%, rgba(92,106,196,0.14), transparent 60%),
        radial-gradient(900px 600px at 80% 20%, rgba(120,80,255,0.12), transparent 60%),
        radial-gradient(900px 650px at 55% 92%, rgba(0,200,255,0.07), transparent 60%),
        linear-gradient(180deg, var(--bg-primary), var(--bg-primary));
}

/* Floating Orbs */
.floating-orbs {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: -2;
}

.orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(26px);
    opacity: 0.55;
    transform: translate3d(0,0,0);
    animation: orbFloat 14s ease-in-out infinite;
}

.orb-1 {
    width: 360px; height: 360px;
    left: -80px; top: 10%;
    background: radial-gradient(circle, rgba(92,106,196,0.55), transparent 65%);
    animation-duration: 18s;
}

.orb-2 {
    width: 420px; height: 420px;
    right: -120px; top: 18%;
    background: radial-gradient(circle, rgba(120,80,255,0.45), transparent 65%);
    animation-duration: 22s;
}

.orb-3 {
    width: 500px; height: 500px;
    left: 22%; bottom: -160px;
    background: radial-gradient(circle, rgba(0,200,255,0.25), transparent 70%);
    animation-duration: 26s;
}

@keyframes orbFloat {
    0%,100% { transform: translate3d(0,0,0) scale(1); }
    50% { transform: translate3d(18px,-14px,0) scale(1.03); }
}

/* Particles Canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-background);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    padding: 16px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: white;
    transition: transform var(--transition-base);
}

.nav-logo:hover .logo-icon {
    transform: rotate(-5deg) scale(1.05);
}

.logo-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.logo-text {
    font-weight: 600;
    font-size: 18px;
}

.nav-tagline {
    font-size: 10px;
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.2px;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Nav Groups for Desktop (Flattened) */
.nav-group {
    display: contents;
}

.nav-divider { display: none; }

.nav-link {
    padding: 7px 10px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}


/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--border-color);
    transform: rotate(15deg);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

/* Default (dark) — show sun icon so user can switch to light */
.sun-icon { display: block; }
.moon-icon { display: none; }

/* Light mode — show moon icon so user can switch back to dark */
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}


/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
    position: relative;
}

#hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    flex: 1;
    max-width: 640px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--accent-gradient-soft);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-number::after {
    content: '';
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: 16px;
}

/* Ecosystem Strip */
.hero-ecosystem-strip {
    margin-bottom: 32px;
}

.hero-ecosystem-strip p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 500;
}

.ecosystem-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.eco-chip {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.eco-chip:hover {
    background: var(--accent-gradient-soft);
    color: var(--accent-primary);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

/* =========================
   Hero Ecosystem Orbit
   ========================= */
.hero-visual {
  position: relative;
  width: min(520px, 92vw);
  height: 360px;
  margin: 24px auto 0;
  display: grid;
  place-items: center;
  position: relative;
  z-index: 2;
}

.core-badge {
  width: 140px;
  height: 140px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 24px 70px rgba(0,0,0,0.28);
  display: grid;
  place-items: center;
  animation: coreBreath 6.5s ease-in-out infinite;
}

@keyframes coreBreath {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.core-inner {
  width: 116px;
  height: 116px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  text-align: center;
  background: linear-gradient(135deg, rgba(92,106,196,0.80), rgba(120,80,255,0.85));
}

.core-text {
  font-weight: 900;
  font-size: 20px;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  animation: textPulse 3s ease-in-out infinite;
}

@keyframes textPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(0.95); }
}

/* Orbit rings removed (no longer used, replaced by terminal hero) */
/* .orbit, .orbit-1, .orbit-2, .orb-word CSS removed */

/* Optional streak rockets (tasteful diagonal glints) */
.hero-streak {
  position: fixed;
  width: 160px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(120,80,255,0.85), transparent);
  opacity: 0.35;
  filter: blur(0.4px);
  z-index: -1;
  pointer-events: none;
  transform: rotate(-20deg);
  animation: streakMove 8.5s ease-in-out infinite;
}

.hero-streak.s1 { top: 18%; left: -200px; animation-delay: 0s; }
.hero-streak.s2 { top: 72%; left: -260px; animation-delay: 2.5s; opacity: 0.25; }

@keyframes streakMove {
  0% { transform: translateX(0) rotate(-20deg); opacity: 0; }
  12% { opacity: 0.35; }
  55% { opacity: 0.28; }
  100% { transform: translateX(calc(100vw + 520px)) rotate(-20deg); opacity: 0; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
}

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

@keyframes scrollPulse {
    0%, 100% { height: 60px; opacity: 1; }
    50% { height: 80px; opacity: 0.5; }
}

/* ============================================
   SECTIONS - COMMON STYLES
   ============================================ */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 28px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-gradient-soft);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 740px;
    margin: 0 auto;
}

/* ============================================
   CAPABILITIES GRID
   ============================================ */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.capability-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 32px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.capability-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
}

.capability-card:hover::before {
    transform: scaleX(1);
}

.capability-card.featured {
    background: rgba(59, 130, 246, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(59, 130, 246, 0.4);
    box-shadow: 0 8px 32px 0 rgba(59, 130, 246, 0.15);
    position: relative;
}

.capability-card.featured:hover {
    box-shadow: 0 12px 40px 0 rgba(59, 130, 246, 0.25);
    border-color: var(--accent-primary);
    transform: translateY(-8px) scale(1.02);
}

.capability-card.featured::before {
    transform: scaleX(1);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
}

.capability-card.featured h3 {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.capability-card.featured p {
    color: var(--text-secondary);
}

.capability-card.featured .card-tags span {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
    animation: none;
}

    animation: badgePulse 2s infinite ease-in-out;

@keyframes badgePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 15px rgba(59, 130, 246, 0.6); }
    50% { transform: scale(1.05); box-shadow: 0 0 25px rgba(59, 130, 246, 0.9); }
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient-soft);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-primary);
}

.capability-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.capability-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.card-tags span {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   FLAGSHIP SYSTEMS
   ============================================ */
.flagship-systems {
    background: var(--bg-secondary);
}

.systems-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: repeat(3, auto);
    gap: 24px;
}

.system-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    transition: all var(--transition-base);
}

.system-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.system-card.large {
    grid-row: span 3;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.system-visual {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.system-preview-board {
    width: min(460px, 100%);
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: linear-gradient(145deg, rgba(15,23,42,0.75), rgba(30,41,59,0.55));
    box-shadow: 0 18px 40px rgba(2, 6, 23, 0.28);
    overflow: hidden;
}

.sp-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(148,163,184,0.18);
    background: rgba(2,6,23,0.35);
}

.sp-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(148,163,184,0.65);
}

.sp-dot:nth-child(1) { background: #ef4444; }
.sp-dot:nth-child(2) { background: #eab308; }
.sp-dot:nth-child(3) { background: #22c55e; }

.sp-title {
    margin-left: 6px;
    font-size: 11px;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: rgba(226,232,240,0.9);
    font-family: var(--font-mono);
}

.sp-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 12px;
}

.sp-step {
    font-size: 11px;
    text-align: center;
    padding: 10px 6px;
    border-radius: 8px;
    border: 1px solid rgba(148,163,184,0.2);
    color: rgba(203,213,225,0.9);
    background: rgba(15,23,42,0.45);
    font-family: var(--font-mono);
}

.sp-step.done {
    border-color: rgba(34,197,94,0.45);
    color: #86efac;
}

.sp-step.active {
    border-color: rgba(59,130,246,0.55);
    color: #93c5fd;
    box-shadow: 0 0 0 2px rgba(59,130,246,0.18);
    animation: stepPulse 1.6s ease-in-out infinite;
}

@keyframes stepPulse {
    0%, 100% { box-shadow: 0 0 0 2px rgba(59,130,246,0.18); }
    50% { box-shadow: 0 0 0 4px rgba(59,130,246,0.12); }
}

.system-diagram {
    position: relative;
    width: 420px;
    height: 420px;
    margin: 0 auto;
}

.diagram-connections {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Orbit Ring */
.diagram-connections::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
    border: 1px dashed var(--border-color);
    border-radius: 50%;
    animation: spin 60s linear infinite;
}

/* Connecting Lines */
.diagram-connections::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 320px;
    height: 320px;
    background: 
        linear-gradient(to right, transparent 49.5%, var(--border-color) 49.5%, var(--border-color) 50.5%, transparent 50.5%),
        linear-gradient(to bottom, transparent 49.5%, var(--border-color) 49.5%, var(--border-color) 50.5%, transparent 50.5%);
    opacity: 0.3;
    z-index: 0;
}

.diagram-node {
    position: absolute;
    padding: 10px 18px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 120px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diagram-node:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
    z-index: 10;
}

.diagram-node.central {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--accent-gradient);
    color: white;
    border: none;
    font-size: 15px;
    font-weight: 700;
    padding: 18px 28px;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
    z-index: 5;
    animation: pulse-glow 3s infinite;
}

.diagram-node.central:hover {
    transform: translate(-50%, -50%) scale(1.05);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 30px rgba(59, 130, 246, 0.3); }
    50% { box-shadow: 0 0 50px rgba(59, 130, 246, 0.5); }
}

.diagram-node[style*="--pos: 0"] { 
    top: 50%; left: 50%; 
    transform: translate(-50%, -50%) translateY(-160px); 
}
.diagram-node[style*="--pos: 0"]:hover {
    transform: translate(-50%, -50%) translateY(-160px) scale(1.1);
}

.diagram-node[style*="--pos: 1"] { 
    top: 50%; left: 50%; 
    transform: translate(-50%, -50%) translateX(160px); 
}
.diagram-node[style*="--pos: 1"]:hover {
    transform: translate(-50%, -50%) translateX(160px) scale(1.1);
}

.diagram-node[style*="--pos: 2"] { 
    top: 50%; left: 50%; 
    transform: translate(-50%, -50%) translateY(160px); 
}
.diagram-node[style*="--pos: 2"]:hover {
    transform: translate(-50%, -50%) translateY(160px) scale(1.1);
}

.diagram-node[style*="--pos: 3"] { 
    top: 50%; left: 50%; 
    transform: translate(-50%, -50%) translateX(-160px); 
}
.diagram-node[style*="--pos: 3"]:hover {
    transform: translate(-50%, -50%) translateX(-160px) scale(1.1);
}

.system-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.system-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-gradient-soft);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.system-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.system-features {
    list-style: none;
    margin-bottom: 24px;
}

.system-features li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.system-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--accent-gradient);
    border-radius: 50%;
}

.system-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.system-link:hover {
    gap: 12px;
}

.system-link svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   AI PREVIEW SECTION
   ============================================ */
.ai-preview {
    overflow: hidden;
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-text h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 20px;
}

.ai-description {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.ai-principles {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.principle {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.principle-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--accent-gradient-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.principle-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-primary);
}

.principle-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.principle-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================
   AI DECISION PANEL (New)
   ============================================ */
.decision-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    font-family: var(--font-mono);
    max-width: 400px;
    margin: 0 auto;
}

.decision-panel-hero {
    height: 88px;
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 20% 40%, rgba(59,130,246,0.25), transparent 40%),
      radial-gradient(circle at 80% 60%, rgba(139,92,246,0.22), transparent 45%),
      linear-gradient(135deg, rgba(15,23,42,0.9), rgba(2,6,23,0.95));
    border-bottom: 1px solid var(--border-color);
}

.decision-panel-hero .pulse-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34,197,94,0.45);
    animation: panelPulse 2s infinite;
}

.decision-panel-hero .pulse-dot:nth-child(1) { top: 22px; left: 22%; animation-delay: 0s; }
.decision-panel-hero .pulse-dot:nth-child(2) { top: 46px; left: 48%; animation-delay: .45s; }
.decision-panel-hero .pulse-dot:nth-child(3) { top: 30px; left: 74%; animation-delay: .9s; }

.decision-panel-hero .scan-line {
    position: absolute;
    top: 0;
    left: -40%;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(147,197,253,0.28), transparent);
    animation: panelScan 3.2s linear infinite;
}

@keyframes panelPulse {
    0%   { transform: scale(1); box-shadow: 0 0 0 0 rgba(34,197,94,0.45); }
    70%  { transform: scale(1.05); box-shadow: 0 0 0 12px rgba(34,197,94,0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

@keyframes panelScan {
    from { left: -40%; }
    to { left: 120%; }
}

.system-mini-visual {
    height: 86px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: linear-gradient(145deg, rgba(15,23,42,0.7), rgba(30,41,59,0.55));
    margin-bottom: 14px;
    position: relative;
    overflow: hidden;
}

.shield-visual .shield-ring {
    position: absolute;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid rgba(34,197,94,0.55);
    left: 18px;
    top: 10px;
    animation: shieldRotate 8s linear infinite;
}

.shield-visual .shield-core {
    position: absolute;
    left: 30px;
    top: 32px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #86efac;
}

.shield-visual .shield-scan {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 20%, rgba(34,197,94,0.14) 50%, transparent 80%);
    animation: shieldScan 2.8s ease-in-out infinite;
}

.shield-visual .shield-node {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #60a5fa;
    box-shadow: 0 0 14px rgba(96,165,250,0.6);
}

.shield-visual .shield-node:nth-child(4) { left: 120px; top: 20px; }
.shield-visual .shield-node:nth-child(5) { left: 156px; top: 40px; }
.shield-visual .shield-node:nth-child(6) { left: 132px; top: 62px; }

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

@keyframes shieldScan {
    0%,100% { transform: translateY(-30%); opacity: 0.35; }
    50% { transform: translateY(30%); opacity: 0.85; }
}

.decision-header {
    background: var(--bg-secondary);
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.decision-title { 
    font-weight: 700; 
    font-size: 13px; 
    color: var(--text-primary); 
}

.decision-status { 
    font-size: 11px; 
    color: #22c55e; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
}

.decision-status::before { 
    content: ''; 
    width: 6px; 
    height: 6px; 
    background: currentColor; 
    border-radius: 50%; 
}

.decision-content { 
    padding: 20px; 
    display: flex; 
    flex-direction: column; 
    gap: 16px; 
}

.decision-item { display: flex; gap: 12px; align-items: flex-start; }
.d-icon { font-size: 16px; margin-top: 2px; }
.d-text { display: flex; flex-direction: column; font-size: 13px; }
.d-text strong { color: var(--accent-primary); margin-bottom: 2px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.d-text span { color: var(--text-secondary); line-height: 1.4; }

.decision-item.highlight .d-text span { color: var(--text-primary); font-weight: 500; }
.decision-item.success .d-text span { color: #22c55e; }

.decision-footer {
    padding: 10px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* AI Demo Panel */
.ai-demo {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.demo-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.demo-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.demo-dots span:nth-child(1) { background: #ef4444; }
.demo-dots span:nth-child(2) { background: #eab308; }
.demo-dots span:nth-child(3) { background: #22c55e; }

.demo-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.demo-content {
    padding: 20px;
}

.chat-message {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.message-avatar {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 11px;
    font-weight: 700;
}

.message-text {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    flex: 1;
}

.message-text p {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.message-text p:last-child {
    margin-bottom: 0;
}

.message-meta {
    font-size: 12px !important;
    color: var(--text-muted) !important;
}

.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.action-btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn.approve {
    background: var(--accent-gradient);
    color: white;
}

.action-btn.review {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.demo-typing {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}

.demo-typing span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.demo-typing span:nth-child(2) { animation-delay: 0.2s; }
.demo-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
}

/* ============================================
   EVIDENCE SECTION
   ============================================ */
.evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.evidence-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.evidence-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(59, 130, 246, 0.3);
}

.evidence-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-gradient-soft);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform var(--transition-base);
}

.evidence-card:hover .evidence-icon {
    transform: scale(1.1);
}

.evidence-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent-primary);
}

.evidence-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.evidence-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.evidence-count {
    padding: 6px 16px;
    background: var(--bg-tertiary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
}

/* ============================================
   MOTTO SECTION
   ============================================ */
.motto {
    background: var(--bg-secondary);
}

.motto-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.motto-quote {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    font-style: italic;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    line-height: 1.3;
}

.motto-explanation {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.motto-explanation strong {
    color: var(--text-primary);
}

/* ============================================
   RIGHT SIDE DECORATION
   ============================================ */
.right-side-decoration {
    position: fixed;
    top: 0;
    right: 0;
    width: 60px;
    height: 100vh;
    z-index: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    pointer-events: none;
    background: linear-gradient(to left, rgba(59, 130, 246, 0.03), transparent);
}

.floating-icon {
    font-size: 20px;
    opacity: 0.3;
    animation: floatVertical 15s ease-in-out infinite;
}
.floating-icon:nth-child(even) { animation-duration: 20s; animation-direction: reverse; }

@keyframes floatVertical {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   FOOTER
   ============================================ */
/* ============================================
   PRO FOOTER (3-col grid + cards + visuals)
   ============================================ */

.footer-divider {
  height: 1px;
  width: min(1100px, calc(100% - 48px));
  margin: 48px auto 0;
  background: linear-gradient(90deg, transparent, rgba(120, 80, 255, 0.35), rgba(92, 106, 196, 0.35), transparent);
  opacity: 0.9;
}

.footer--pro {
  position: relative;
  padding: 40px 0 16px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr;
  gap: 24px;
  align-items: start;
}

/* Cards */
.footer-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 18px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.footer-card:hover {
  transform: translateY(-3px);
  border-color: rgba(120, 80, 255, 0.25);
  background: rgba(255, 255, 255, 0.055);
}

/* Brand card */
.footer-brand-card .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.footer-brand-card .logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(92, 106, 196, 1), rgba(120, 80, 255, 1));
  color: white;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.footer-brand-card .logo-text {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 16px;
}

.footer-tagline {
  margin: 12px 0 6px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
}

.footer-subline {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* Social pills */
.footer-social-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 13px;
  text-decoration: none;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.social-pill:hover {
  transform: translateY(-2px);
  border-color: rgba(92, 106, 196, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

/* Middle columns */
.footer-links-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 6px 4px;
}

.footer-col-title {
  margin: 0 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(120, 80, 255, 0.7), rgba(92, 106, 196, 0.7));
  opacity: 0.8;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Better hover state for links */
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  transition: transform 180ms ease, color 180ms ease;
  position: relative;
  padding-left: 14px;
}

.footer-link::before {
  content: "->";
  position: absolute;
  left: 0;
  color: rgba(120, 80, 255, 0.75);
  transform: translateX(-2px);
  opacity: 0.0;
  transition: opacity 180ms ease, transform 180ms ease;
}

.footer-link:hover {
  color: var(--text-primary);
  transform: translateX(4px);
}

.footer-link:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* Connect card */
.footer-connect-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  background:
    radial-gradient(900px 180px at 20% 0%, rgba(120, 80, 255, 0.14), transparent 60%),
    radial-gradient(700px 220px at 80% 40%, rgba(92, 106, 196, 0.12), transparent 60%),
    rgba(255, 255, 255, 0.04);
}

.footer-connect-note {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 44px);
  gap: 12px;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.10);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--text-primary);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  opacity: 0.9;
}

.icon-btn:hover {
  transform: translateY(-3px);
  border-color: rgba(120, 80, 255, 0.35);
  background: rgba(255,255,255,0.06);
}

.icon-btn--github svg {
  color: #111827;
}

.icon-btn--linkedin svg {
  color: #0a66c2;
}

.icon-btn--contact svg {
  color: #4f46e5;
}

.footer-cta {
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, rgba(92, 106, 196, 1), rgba(120, 80, 255, 1));
  transition: transform 180ms ease, filter 180ms ease;
}

.footer-cta:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* Bottom */
.footer-bottom--pro {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--text-muted);
  font-size: 12px;
}

.decision-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(2,6,23,0.24);
}

.dm-item {
    border: 1px solid rgba(148,163,184,0.2);
    border-radius: 10px;
    padding: 8px 6px;
    text-align: center;
    background: rgba(15,23,42,0.45);
}

.dm-item strong {
    display: block;
    color: #93c5fd;
    font-size: 14px;
    line-height: 1.1;
}

.dm-item span {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
}

/* ============================================
   Right-side micro visuals (fills empty feel)
   ============================================ */

.footer-visual {
  position: absolute;
  right: -40px;
  top: -20px;
  width: 320px;
  height: 240px;
  pointer-events: none;
  opacity: 0.55;
  filter: blur(0px);
}

.fv-orb {
  position: absolute;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(120, 80, 255, 0.35), transparent 60%);
  animation: fvFloat 10s ease-in-out infinite;
}

.fv-orb-1 { width: 160px; height: 160px; right: 40px; top: 20px; }
.fv-orb-2 { width: 110px; height: 110px; right: 140px; top: 110px; animation-duration: 13s; opacity: 0.7; }

.fv-line {
  position: absolute;
  height: 2px;
  width: 140px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(92, 106, 196, 0.55), transparent);
  transform: rotate(-20deg);
  animation: fvPulse 6s ease-in-out infinite;
}

.fv-line-1 { right: 40px; top: 70px; }
.fv-line-2 { right: 120px; top: 160px; width: 180px; animation-duration: 8s; opacity: 0.7; }

.fv-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(120, 80, 255, 0.7);
  box-shadow: 0 0 16px rgba(120, 80, 255, 0.35);
  animation: fvFloat 9s ease-in-out infinite;
}

.fv-dot-1 { right: 90px; top: 130px; }
.fv-dot-2 { right: 210px; top: 60px; background: rgba(92, 106, 196, 0.75); }

@keyframes fvFloat {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-10px) translateX(6px); }
}

@keyframes fvPulse {
  0%, 100% { opacity: 0.35; transform: rotate(-20deg) scaleX(0.95); }
  50% { opacity: 0.75; transform: rotate(-20deg) scaleX(1.05); }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 980px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-links-col {
    grid-template-columns: 1fr 1fr;
  }

  .footer-visual {
    right: -120px;
    top: 30px;
    opacity: 0.35;
  }
}

@media (max-width: 640px) {
  .footer-links-col {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   AI ASSISTANT WIDGET
   ============================================ */
.ai-assistant-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--z-modal);
}

.ai-toggle {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all var(--transition-base);
}

.ai-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.5);
}

.ai-toggle svg {
    width: 28px;
    height: 28px;
    color: white;
}

.ai-panel {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-base);
}

.ai-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.ai-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.ai-panel-header h4 {
    font-size: 16px;
    font-weight: 700;
}

.ai-close {
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 8px;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.ai-panel-content {
    height: 300px;
    overflow-y: auto;
    padding: 20px;
}

.ai-message {
    margin-bottom: 16px;
}

.ai-message.bot {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 16px;
}

.ai-message.bot p {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.ai-message.bot ul {
    list-style: none;
}

.ai-message.bot li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.ai-message.bot li::before {
    content: '->';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.ai-panel-input {
    display: flex;
    gap: 8px;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.ai-panel-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.ai-panel-input input:focus {
    border-color: var(--accent-primary);
}

.ai-panel-input button {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.ai-panel-input button:hover {
    transform: scale(1.05);
}

/* ============================================
   ECOSYSTEM GRID
   ============================================ */
.eco-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.eco-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.eco-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px -10px rgba(59, 130, 246, 0.3);
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
}

.eco-card.active {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.eco-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.eco-icon {
    font-size: 32px;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
}

.eco-icon .eco-icon-img {
    width: 28px;
    height: 28px;
    display: block;
    filter: drop-shadow(0 0 8px rgba(91, 110, 245, 0.35));
    transform-origin: 50% 50%;
    transition: transform .35s ease, filter .35s ease;
}

.eco-live-badge {
    margin-left: auto;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .02em;
    color: #22c55e;
    background: rgba(34,197,94,.12);
    border: 1px solid rgba(34,197,94,.35);
    border-radius: 999px;
    padding: 4px 9px;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity .25s ease, transform .25s ease;
    pointer-events: none;
}

.eco-card.eco-live-done .eco-live-badge {
    opacity: 1;
    transform: translateY(0);
}

/* Live layer interactions */
.eco-card[data-layer="delivery"].eco-live .eco-icon .eco-icon-img {
    animation: ecoRocketLaunch .8s cubic-bezier(.2,.8,.2,1) 1;
    filter: drop-shadow(0 0 12px rgba(59,130,246,.5));
}

.eco-card[data-layer="observability"].eco-live .eco-icon .eco-icon-img {
    animation: ecoSignalPulse .9s ease 1;
}

.eco-card[data-layer="devsecops"].eco-live .eco-icon .eco-icon-img {
    animation: ecoShieldScan .9s ease 1;
}

.eco-card[data-layer="automation"].eco-live .eco-icon .eco-icon-img {
    animation: ecoGearSpin .9s ease 1;
}

.eco-card[data-layer="ai"].eco-live .eco-icon .eco-icon-img {
    animation: ecoAiBlink .9s ease 1;
}

.eco-card[data-layer="platform"].eco-live .eco-icon .eco-icon-img {
    animation: ecoLift .9s ease 1;
}

@keyframes ecoRocketLaunch {
    0% { transform: translateY(0) scale(1); }
    40% { transform: translateY(-10px) scale(1.05) rotate(-8deg); }
    75% { transform: translateY(-18px) scale(1.08) rotate(-10deg); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes ecoSignalPulse {
    0% { transform: scale(1); }
    35% { transform: scale(1.12); filter: drop-shadow(0 0 14px rgba(34,197,94,.6)); }
    100% { transform: scale(1); }
}

@keyframes ecoShieldScan {
    0% { transform: rotate(0) scale(1); }
    50% { transform: rotate(-8deg) scale(1.08); }
    100% { transform: rotate(0) scale(1); }
}

@keyframes ecoGearSpin {
    0% { transform: rotate(0deg) scale(1); }
    60% { transform: rotate(150deg) scale(1.08); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes ecoAiBlink {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px rgba(91,110,245,.35)); }
    45% { transform: scale(1.14); filter: drop-shadow(0 0 16px rgba(168,85,247,.65)); }
}

@keyframes ecoLift {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-8px) scale(1.06); }
    100% { transform: translateY(0) scale(1); }
}

.eco-title {
    font-size: 18px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.eco-list {
    list-style: none;
}

.eco-list li {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.eco-list li::before {
    content: '*';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.ai-panel-input button svg {
    width: 20px;
    height: 20px;
    color: white;
}

/* ============================================
   COMMAND PALETTE
   ============================================ */
.cmd-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.cmd-modal.active {
    opacity: 1;
    visibility: visible;
}

.cmd-content {
    width: 100%;
    max-width: 600px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 60vh;
}

.cmd-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
}

.cmd-header svg {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

.cmd-header input {
    flex: 1;
    background: transparent;
    border: none;
    font-size: 16px;
    color: var(--text-primary);
    outline: none;
}

.cmd-esc {
    font-size: 12px;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: 4px;
}

.cmd-results {
    overflow-y: auto;
    padding: 8px;
}

.cmd-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.1s ease;
    cursor: pointer;
}

.cmd-item:hover {
    background: var(--bg-tertiary);
}

.cmd-item-title {
    font-weight: 500;
    display: block;
}

.cmd-item-tags {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
}

.cmd-item-type {
    font-size: 12px;
    color: var(--accent-primary);
    background: var(--accent-gradient-soft);
    padding: 2px 8px;
    border-radius: 4px;
}

.cmd-empty {
    padding: 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        margin-top: 60px;
    }
    
    .tech-sphere {
        width: 300px;
        height: 300px;
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .systems-showcase {
        grid-template-columns: 1fr;
    }
    
    .system-card.large {
        grid-row: auto;
    }
    
    .ai-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .evidence-grid {
grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 38px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--card-bg);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        transition: right var(--transition-base);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    }

    /* Mobile Nav Grouping */
    .nav-group {
        display: flex;
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
    }

    .nav-divider {
        display: block;
        width: 100%;
        height: 1px;
        background: var(--border-color);
        margin: 12px 0;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .evidence-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .ai-panel {
        width: calc(100vw - 48px);
        right: -12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Global identity (navbar + hero) */

.logo-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.logo-tagline {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  opacity: 0.8;
  white-space: nowrap;
  animation: slideInTagline 1s ease forwards;
}

@keyframes slideInTagline {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 0.8; transform: translateX(0); }
}

/* Hero typography */
.hero-name {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 800;
  margin-bottom: 12px;
  white-space: nowrap;
}

.hero-tagline {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ============================================
   ReactBits-Inspired Global Refresh
   ============================================ */

:root {
  --rb-accent-1: #2563eb;
  --rb-accent-2: #0ea5e9;
  --rb-accent-3: #14b8a6;
  --rb-ring: rgba(37, 99, 235, 0.22);
  --rb-card-border: rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
  --rb-accent-1: #60a5fa;
  --rb-accent-2: #22d3ee;
  --rb-accent-3: #34d399;
  --rb-ring: rgba(96, 165, 250, 0.28);
  --rb-card-border: rgba(148, 163, 184, 0.22);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -4;
  background:
    radial-gradient(700px 340px at 15% -10%, rgba(37,99,235,0.14), transparent 62%),
    radial-gradient(860px 380px at 90% 8%, rgba(20,184,166,0.12), transparent 62%),
    radial-gradient(900px 420px at 45% 110%, rgba(14,165,233,0.10), transparent 68%);
}

.navbar {
  border-bottom: 1px solid color-mix(in oklab, var(--border-color) 72%, transparent);
}

.navbar.scrolled {
  box-shadow: 0 10px 32px rgba(2, 6, 23, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -5px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--rb-accent-1), var(--rb-accent-2), var(--rb-accent-3));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.btn,
.hero-tab,
.wtab,
.filter-btn {
  border-radius: 999px;
}

.btn:focus-visible,
.hero-tab:focus-visible,
.wtab:focus-visible,
.filter-btn:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--rb-ring);
  outline-offset: 2px;
}

.hero-tab.active,
.wtab.active,
.filter-btn.active {
  background: linear-gradient(120deg, var(--rb-accent-1), var(--rb-accent-2)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.24);
}

.capability-card,
.system-card,
.evidence-card,
.publication-card,
.project-card,
.ai-card,
.cert-card,
.education-card,
.principle-card,
.sector-card,
.contact-form-container,
.footer-card,
.eco-card {
  border: 1px solid var(--rb-card-border) !important;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06) !important;
  transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}

.capability-card:hover,
.system-card:hover,
.evidence-card:hover,
.publication-card:hover,
.project-card:hover,
.ai-card:hover,
.cert-card:hover,
.education-card:hover,
.principle-card:hover,
.sector-card:hover,
.contact-form-container:hover,
.footer-card:hover,
.eco-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in oklab, var(--rb-accent-1) 28%, var(--rb-card-border)) !important;
  box-shadow: 0 18px 38px rgba(2, 6, 23, 0.12) !important;
}

.section-title,
.page-title {
  letter-spacing: -0.02em;
}

@media (prefers-reduced-motion: reduce) {
  body::before {
    background: none;
  }

  .capability-card:hover,
  .system-card:hover,
  .evidence-card:hover,
  .publication-card:hover,
  .project-card:hover,
  .ai-card:hover,
  .cert-card:hover,
  .education-card:hover,
  .principle-card:hover,
  .sector-card:hover,
  .contact-form-container:hover,
  .footer-card:hover,
  .eco-card:hover {
    transform: none;
  }
}