/* ==========================================================================
   SYNTHEX 2026 - PITCH COMPETITION DESIGN SYSTEM
   Modern High-Tech Electric Green & Deep Navy Blue Theme
   Referenced from ultra-sleek high-tech UI with reduced white palette
   ========================================================================== */

:root {
  /* Core Deep Obsidian & Midnight Navy Palette */
  --bg-deep: #020712;
  --bg-main: #030c1a;
  --bg-secondary: #051428;
  --bg-card: rgba(3, 14, 28, 0.78);
  --bg-card-hover: rgba(5, 22, 42, 0.92);
  --bg-glass: rgba(3, 13, 26, 0.82);
  --bg-input: #020a16;
  
  /* Vibrant Electric Green & Cyber Accents */
  --accent-green: #00FF87;
  --accent-green-bright: #10F996;
  --accent-green-glow: rgba(0, 255, 135, 0.45);
  --accent-emerald: #05DF72;
  --accent-mint: #34D399;
  --accent-teal: #00F5D4;
  --accent-lime: #6EE7B7;
  --accent-navy-accent: #0f274a;
  
  /* Reduced White Palette: Soft Luminescent Mint, Silver-Mint, Slate-Teal */
  --text-pure: #c8f0e5;       /* Replaces stark white with soft luminescent mint */
  --text-main: #a3cec1;       /* Soft mint-tinted silver for readable body text */
  --text-muted: #799d91;      /* Slate-mint for secondary descriptions */
  --text-dim: #4f7266;        /* Subtle caption tint */
  --text-dark: #02120e;       /* Deep dark navy for text inside neon green buttons */
  
  /* Borders & Shadows */
  --border-subtle: rgba(0, 255, 135, 0.18);
  --border-focus: rgba(0, 255, 135, 0.75);
  --border-glass: rgba(0, 245, 212, 0.15);
  --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 35px -5px rgba(0, 255, 135, 0.12);
  --shadow-glow: 0 0 30px rgba(0, 255, 135, 0.42);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading-display: 'Resond', 'Outfit', sans-serif;

  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

@font-face {
  font-family: 'Resond';
  src: url('Resond-Regular.otf') format('opentype');
  font-style: normal;
  font-display: swap;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: radial-gradient(circle at 65% -5%, #071f3a 0%, var(--bg-main) 40%, var(--bg-deep) 100%);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  line-height: 1.6;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Background Ambient Canvas */
#ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

/* Atmospheric Volumetric Aurora Glow (Matches Reference Screen Lighting) */
.aurora-glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.aurora-glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(95px);
  opacity: 0.75;
}

.aurora-right {
  top: 10%;
  right: -5%;
  width: 650px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 255, 135, 0.24) 0%, rgba(0, 245, 212, 0.12) 40%, transparent 70%);
}

.aurora-center {
  top: 35%;
  left: 30%;
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, rgba(5, 223, 114, 0.15) 0%, rgba(3, 12, 26, 0.05) 55%, transparent 70%);
}

/* Confetti Celebration Canvas */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 99999;
}

/* ==========================================================================
   NAVIGATION BAR (Matches Top Minimal Nav in Reference)
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(2, 7, 18, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-pure);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.logo-text {
  display: inline-flex;
  align-items: center;
}

.logo-accent {
  color: var(--accent-green);
  font-weight: 700;
  font-size: 1.1em;
}

.footer-sts-logo {
  width: 64px;
  height: auto;
  margin-top: 0.5rem;
}

.footer-sts-logo:nth-child(3) {
  width: 58px;
  margin-bottom: 0.3rem;
}

/* Center Menu Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.25s ease;
}

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

.nav-chevron {
  opacity: 0.7;
  transition: transform 0.25s ease;
}

.nav-link:hover .nav-chevron {
  transform: translateY(2px);
  opacity: 1;
}

/* Right Navigation Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-icon-btn {
  background: rgba(3, 14, 28, 0.7);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.nav-icon-btn:hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(0, 255, 135, 0.12);
  box-shadow: 0 0 12px rgba(0, 255, 135, 0.25);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.8rem;
  background: rgba(0, 255, 135, 0.08);
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 135, 0.25);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Primary Nav CTA Pill Button */
.nav-cta-btn {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-dark);
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-emerald) 100%);
  padding: 0.55rem 1.35rem;
  border-radius: 999px;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35), 0 1px 3px rgba(0, 255, 135, 0.15);
  transition: var(--transition-smooth);
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 255, 135, 0.25);
}

/* Submissions Closed State Styles */
.status-pill.status-closed {
  background: rgba(244, 63, 94, 0.08);
  color: #f43f5e;
  border-color: rgba(244, 63, 94, 0.3);
}

.pulse-dot.dot-closed {
  background-color: #f43f5e;
  box-shadow: 0 0 8px #f43f5e;
  animation: pulseClosedAnimation 2s infinite;
}

@keyframes pulseClosedAnimation {
  0% { transform: scale(0.95); opacity: 0.75; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.75; }
}

.nav-cta-btn.nav-cta-closed {
  background: rgba(244, 63, 94, 0.1);
  color: #fda4af;
  border: 1px solid rgba(244, 63, 94, 0.25);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.85;
}

.nav-cta-btn.nav-cta-closed:hover {
  transform: none;
  filter: none;
  box-shadow: none;
}

.cta-primary-btn.cta-btn-closed {
  background: rgba(244, 63, 94, 0.12);
  color: #fda4af;
  border: 1px solid rgba(244, 63, 94, 0.3);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.85;
}

.cta-primary-btn.cta-btn-closed:hover {
  transform: none;
  box-shadow: none;
  filter: none;
}

.cta-primary-btn.cta-btn-closed .btn-icon {
  display: none;
}

/* Submissions Closed Notice Card on Submit Page */
.submissions-closed-card {
  text-align: center;
  padding: 3.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.closed-icon-badge {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: #f43f5e;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 24px rgba(244, 63, 94, 0.2);
}

.closed-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: #f1f5f9;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
}

.closed-description {
  font-size: 1rem;
  line-height: 1.7;
  color: #94a3b8;
  margin-bottom: 2rem;
  max-width: 520px;
}

.closed-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  width: 100%;
  max-width: 560px;
  margin-bottom: 2.25rem;
}

.closed-info-item {
  background: rgba(7, 21, 38, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.25rem 1.15rem;
  text-align: left;
}

.closed-info-item .info-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  margin-bottom: 0.4rem;
}

.closed-info-item .info-value {
  display: block;
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.45;
}

.closed-actions {
  display: flex;
  justify-content: center;
}

.closed-home-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  background: rgba(0, 255, 135, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 135, 0.35);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.closed-home-btn:hover {
  background: rgba(0, 255, 135, 0.2);
  border-color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.3);
  transform: translateY(-2px);
}

/* Nav Back to Home Button (for Form page) */
.nav-back-btn {
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-pure);
  background: rgba(3, 14, 28, 0.75);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: var(--transition-smooth);
}

.nav-back-btn:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(4, 20, 38, 0.9);
  transform: translateX(-2px);
}

/* ==========================================================================
   HERO SECTION - TWO-COLUMN ASYMMETRIC GRID WITH SCHEMATIC & DOCK
   ========================================================================== */

.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3.5rem 1.5rem 2.5rem;
  z-index: 10;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
}

.hero-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 3.5rem;
  align-items: center;
  width: 100%;
  max-width: 100%;
}

/* Left Column Typography */
.hero-left {
  text-align: left;
  max-width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.15rem;
  background: rgba(3, 14, 28, 0.75);
  border: 1px solid rgba(0, 255, 135, 0.3);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  max-width: 100%;
  box-sizing: border-box;
}

.sparkle {
  color: var(--accent-green);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* SYNTHEX: Large Capital Title with Electric Green Gradient (Strictly Zero White) */
.hero-title {
  font-family: var(--font-heading-display);
  font-size: clamp(2.4rem, 6.2vw, 5.5rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 0.98;
  margin-bottom: 0.5rem;
  position: relative;
  max-width: 100%;
  word-break: normal;
  overflow-wrap: break-word;
  
  /* Luminous Electric Green Gradient - No White */
  background: linear-gradient(
    135deg, 
    #00FF87 0%, 
    #10F996 35%, 
    #05DF72 70%, 
    #00F5D4 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  
  filter: drop-shadow(0 0 35px rgba(0, 255, 135, 0.45));
  user-select: none;
}

/* Pitch Competition Subtitle (Directly Below SYNTHEX) */
.hero-subtitle-container {
  margin-bottom: 1.6rem;
  max-width: 100%;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #a7f3d0;
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.hero-subtitle::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), transparent);
  margin-top: 0.4rem;
}

.hero-description {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

/* Hero Action Buttons (Rounded Pill Matching Reference) */
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.15rem;
  margin-bottom: 1rem;
  max-width: 100%;
}

/* "Submit Your Idea" Hero Button (Solid Electric Green Pill) */
.cta-primary-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 2.2rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  background: linear-gradient(135deg, #00FF87 0%, #10F996 50%, #05DF72 100%);
  border: none;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 255, 135, 0.15);
  transition: var(--transition-spring);
}

.cta-primary-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.55), 0 3px 8px rgba(0, 255, 135, 0.25);
  filter: brightness(1.05);
}

.cta-primary-btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-icon {
  transition: transform 0.3s ease;
}

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

/* "Explore Tracks" Secondary CTA (Dark Glass Pill) */
.cta-secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.85rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: #86efac;
  background: rgba(3, 14, 28, 0.75);
  border: 1px solid rgba(0, 255, 135, 0.3);
  border-radius: 999px;
  text-decoration: none;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.cta-secondary-btn:hover {
  background: rgba(5, 24, 46, 0.9);
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.25);
  transform: translateY(-2px);
}

/* "About Us" Hero Button */
.hero-about-btn {
  background: rgba(4, 20, 38, 0.85);
  border-color: rgba(0, 245, 212, 0.35);
  color: #a7f3d0;
}

.hero-about-btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  box-shadow: 0 0 20px rgba(0, 245, 212, 0.3);
}

/* "Explore Tracks" Tertiary CTA */
.cta-tertiary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(3, 14, 28, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.cta-tertiary-btn:hover {
  border-color: rgba(0, 255, 135, 0.4);
  color: var(--text-pure);
  background: rgba(3, 14, 28, 0.8);
  transform: translateY(-2px);
}

/* ==========================================================================
   RIGHT COLUMN: ANIMATED CYBERNETIC IDEA BULB (REPLACES SCHEMATIC)
   ========================================================================== */

.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
}

.idea-bulb-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  will-change: transform;
  transform: translateZ(0);
  animation: floatBulb 6s ease-in-out infinite;
  user-select: none;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.idea-bulb-wrapper:hover {
  transform: translateY(-8px) scale(1.02) translateZ(0);
}

/* Floating Bulb Animation */
@keyframes floatBulb {
  0%, 100% {
    transform: translateY(0px) rotate(0deg) translateZ(0);
  }
  50% {
    transform: translateY(-12px) rotate(1deg) translateZ(0);
  }
}

/* Volumetric Breathing Aurora Glow behind Bulb */
.bulb-glow-aura {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(0);
  width: min(380px, 85vw);
  height: min(380px, 85vw);
  background: radial-gradient(circle, rgba(0, 255, 135, 0.45) 0%, rgba(0, 245, 212, 0.22) 40%, rgba(3, 14, 28, 0.05) 65%, transparent 75%);
  filter: blur(45px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  will-change: transform, opacity;
  animation: auraBreathe 4s ease-in-out infinite alternate;
}

@keyframes auraBreathe {
  0% {
    transform: translate(-50%, -50%) scale(0.9) translateZ(0);
    opacity: 0.65;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.15) translateZ(0);
    opacity: 0.9;
  }
}

/* Radiating Cyber Corona Ray Beams */
.bulb-rays-container {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(0);
  width: min(420px, 90vw);
  height: min(420px, 90vw);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
  overflow: hidden;
}

.bulb-ray {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 170px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 255, 135, 0.65), transparent);
  transform-origin: 0% 50%;
}

.ray-1 { transform: rotate(35deg) translate(80px, 0); animation: rayPulse 3s infinite alternate 0.2s; }
.ray-2 { transform: rotate(145deg) translate(80px, 0); animation: rayPulse 3s infinite alternate 0.7s; }
.ray-3 { transform: rotate(225deg) translate(80px, 0); animation: rayPulse 3s infinite alternate 1.1s; }
.ray-4 { transform: rotate(315deg) translate(80px, 0); animation: rayPulse 3s infinite alternate 1.6s; }

@keyframes rayPulse {
  0% { opacity: 0.2; transform: scaleX(0.7); }
  100% { opacity: 0.85; transform: scaleX(1.1); }
}

/* Main Bulb SVG */
.idea-bulb-svg {
  width: 100%;
  height: auto;
  max-width: 440px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.85));
  transition: filter 0.3s ease;
}

.idea-bulb-wrapper:hover .idea-bulb-svg {
  filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.9)) drop-shadow(0 0 25px rgba(0, 255, 135, 0.35));
}

/* Lightning Spark in Core */
.lightning-spark {
  animation: lightningSurge 2.8s ease-in-out infinite;
  transform-origin: 220px 135px;
}

@keyframes lightningSurge {
  0%, 100% {
    opacity: 0.85;
    filter: drop-shadow(0 0 10px #00FF87);
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    filter: drop-shadow(0 0 24px #00FF87) drop-shadow(0 0 45px #00F5D4);
    transform: scale(1.08);
  }
}

/* Animated Electric Energy Running Through Circuit Filaments */
.circuit-line {
  stroke-dasharray: 12 6;
  animation: circuitEnergyFlow 2.5s linear infinite;
}

.circuit-1 { animation-duration: 2.2s; }
.circuit-2 { animation-duration: 3s; animation-direction: reverse; }

@keyframes circuitEnergyFlow {
  to {
    stroke-dashoffset: -36;
  }
}

/* Orbit Path Animations */
.orbit-path-1 {
  animation: orbitDash 8s linear infinite;
}
.orbit-path-2 {
  animation: orbitDash 10s linear infinite reverse;
}

@keyframes orbitDash {
  to {
    stroke-dashoffset: 70;
  }
}

/* Floating Idea Concept Pills */
.bulb-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  background: rgba(3, 14, 28, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(0, 255, 135, 0.35);
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7), 0 0 15px rgba(0, 255, 135, 0.2);
  transition: var(--transition-smooth);
}

.bulb-chip:hover {
  border-color: var(--accent-green);
  box-shadow: 0 10px 30px rgba(0, 255, 135, 0.4);
  transform: scale(1.06);
}

.chip-sparkle {
  color: var(--accent-green);
  font-size: 0.85rem;
  filter: drop-shadow(0 0 6px var(--accent-green));
}

.chip-text {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-pure);
  text-transform: uppercase;
}

/* Chip 1: Top Left */
.chip-top-left {
  top: 10%;
  left: 0%;
  animation: floatChip1 5s ease-in-out infinite;
}

@keyframes floatChip1 {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-8px) rotate(1deg); }
}

/* Chip 2: Top Right */
.chip-top-right {
  top: 8%;
  right: 2%;
  animation: floatChip2 6s ease-in-out infinite 0.8s;
}

@keyframes floatChip2 {
  0%, 100% { transform: translateY(0px) rotate(2deg); }
  50% { transform: translateY(-10px) rotate(-1deg); }
}

/* Chip 3: Bottom Right */
.chip-bottom-right {
  bottom: 16%;
  right: 1%;
  animation: floatChip3 5.5s ease-in-out infinite 1.5s;
}

@keyframes floatChip3 {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-9px) rotate(2deg); }
}

/* ==========================================================================
   HIGHLIGHTS / TRACKS SECTION
   ========================================================================== */

.highlights-section {
  position: relative;
  padding: 5rem 1.5rem 3rem;
  z-index: 10;
}

.section-container {
  max-width: 1140px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-green);
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.85rem;
  max-width: 100%;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-emerald));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: rgba(0, 255, 135, 0.45);
  box-shadow: var(--shadow-card);
}

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

.card-icon-box {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.28);
  border-radius: 14px;
  margin-bottom: 1.4rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 0.65rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   SUBMISSION FORM SECTION
   Glassmorphic Interactive Form Container with Real-time Validation
   ========================================================================== */

.form-section {
  position: relative;
  padding: 5rem 1.5rem 7rem;
  z-index: 10;
}

.form-page-main {
  min-height: calc(100vh - 160px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 10;
}

.form-standalone-section {
  padding: 3.5rem 1.5rem 5.5rem;
}

.form-header-box {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.form-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 1rem;
}

.dot-indicator {
  width: 7px;
  height: 7px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
}

.form-main-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 0.85rem;
}

.form-sub-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Form Card Wrapper */
.form-card-wrapper {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.form-glow-backdrop {
  position: absolute;
  inset: -15px;
  background: radial-gradient(circle at 50% 30%, rgba(0, 255, 135, 0.18), rgba(5, 24, 46, 0.22), transparent 70%);
  filter: blur(35px);
  border-radius: 35px;
  z-index: -1;
  pointer-events: none;
}

.modern-form {
  background: var(--bg-glass);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid rgba(0, 255, 135, 0.22);
  border-radius: 28px;
  padding: 3rem 2.8rem;
  /* box-shadow: var(--shadow-card); */
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: var(--transition-smooth);
}

/* Highlight glow when focused or navigated to */
.modern-form.form-active-glow {
  border-color: var(--accent-green);
  box-shadow: 0 0 50px rgba(0, 255, 135, 0.35), var(--shadow-card);
}

/* Form Groups & Labels */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.form-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-pure);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-top: 1.15rem;
}

.required-star {
  color: #f43f5e;
  font-weight: 700;
}

.label-with-counter {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.char-count {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--font-body);
}

/* Input Wrappers & Modern Inputs */
.input-wrapper,
.textarea-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1.15rem;
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  align-items: center;
  transition: color 0.25s ease;
}

.form-control {
  width: 100%;
  padding: 0.95rem 1.15rem 0.95rem 3rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-pure);
  background: var(--bg-input);
  border: 1px solid rgba(0, 255, 135, 0.2);
  border-radius: 14px;
  outline: none;
  transition: var(--transition-smooth);
}

.form-control::placeholder {
  color: #3b594e;
}

.form-control:focus {
  border-color: var(--accent-green);
  background: #041224;
  box-shadow: 0 0 0 3px rgba(0, 255, 135, 0.18), 0 0 20px rgba(0, 255, 135, 0.2);
}

.form-control:focus + .validation-badge,
.input-wrapper:focus-within .input-icon {
  color: var(--accent-green);
}

.form-textarea {
  padding: 1.1rem;
  min-height: 130px;
  resize: vertical;
  line-height: 1.6;
}

/* Validation States */
.form-group.has-error .form-control {
  border-color: #f43f5e;
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.18);
}

.form-group.has-success .form-control {
  border-color: #10b981;
}

/* ==========================================================================
   SUBMISSION TYPE TOGGLE CARDS (Individual vs Group)
   ========================================================================== */

.type-toggle-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 0.35rem;
}

.type-toggle-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.15rem 1.25rem;
  background: var(--bg-input);
  border: 1px solid rgba(0, 255, 135, 0.2);
  border-radius: 16px;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-spring);
  position: relative;
  user-select: none;
}

.type-btn-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.type-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(0, 255, 135, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  transition: var(--transition-smooth);
}

.type-radio-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(0, 255, 135, 0.35);
  position: relative;
  transition: var(--transition-smooth);
  margin-left: auto;
}

.type-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 245, 212, 0.12);
  border: 1px solid rgba(0, 245, 212, 0.35);
  margin-left: auto;
  margin-right: 0.5rem;
}

.type-content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.type-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-pure);
  transition: var(--transition-smooth);
}

.type-toggle-btn:hover {
  border-color: var(--accent-green);
  background: #041428;
  transform: translateY(-2px);
}

.type-toggle-btn.active {
  background: linear-gradient(135deg, rgba(0, 255, 135, 0.16), rgba(4, 20, 38, 0.85));
  border-color: var(--accent-green);
  box-shadow: 0 4px 18px rgba(0, 255, 135, 0.2);
  transform: translateY(-2px);
}

.type-toggle-btn.active .type-radio-indicator {
  border-color: var(--accent-green);
  background-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}

.type-toggle-btn.active .type-icon {
  background: rgba(0, 255, 135, 0.25);
  color: var(--text-pure);
}

.type-toggle-btn.active .type-title {
  color: var(--accent-green);
}

/* Branch Dividers & Helper Hints */
.branch-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(0, 255, 135, 0.2);
}

.branch-pill-badge {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-green);
  background: rgba(0, 255, 135, 0.1);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 255, 135, 0.3);
  text-transform: uppercase;
}

.branch-pill-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.branch-hint-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 245, 212, 0.06);
  border: 1px solid rgba(0, 245, 212, 0.25);
  border-radius: 12px;
  font-size: 0.85rem;
  color: #a7f3d0;
  line-height: 1.45;
  margin-bottom: 0.5rem;
}

.hint-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.optional-label {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 0.25rem;
}

.group-members-area {
  font-family: var(--font-body);
  line-height: 1.6;
}

/* ==========================================================================
   DYNAMIC TEAM MEMBERS TABLE (Min 2, Max 6)
   ========================================================================== */

.members-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.members-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.members-sublabel {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.members-count-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.3);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-green);
  font-family: var(--font-display);
}

.members-count-pill .count-num {
  font-size: 0.95rem;
  color: var(--accent-cyan);
}

.members-table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid rgba(0, 255, 135, 0.2);
  background: rgba(3, 14, 28, 0.75);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  -webkit-overflow-scrolling: touch;
}

.members-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.members-table th {
  padding: 0.85rem 1rem;
  background: rgba(2, 8, 18, 0.85);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: #799d91;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(0, 255, 135, 0.15);
}

.members-table td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid rgba(0, 255, 135, 0.08);
}

.members-table tbody tr:last-child td {
  border-bottom: none;
}

.members-table .col-index {
  width: 90px;
  white-space: nowrap;
}

.members-table .col-reg {
  width: 38%;
  min-width: 140px;
}

.members-table .col-name {
  width: 45%;
  min-width: 170px;
}

.members-table .col-action {
  width: 50px;
  text-align: center;
}

.member-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.65rem;
  background: rgba(5, 24, 46, 0.8);
  border: 1px solid rgba(0, 255, 135, 0.25);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-display);
}

.member-badge.lead-badge {
  background: rgba(0, 255, 135, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.member-input {
  width: 100%;
  padding: 0.75rem 0.95rem !important;
  font-size: 0.92rem !important;
  border-radius: 10px !important;
  background: rgba(2, 9, 20, 0.85) !important;
}

.remove-member-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fb7185;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.remove-member-btn:hover {
  background: rgba(244, 63, 94, 0.25);
  color: #fda4af;
  border-color: #f43f5e;
  transform: scale(1.05);
}

.members-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.add-member-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px dashed rgba(0, 255, 135, 0.4);
  border-radius: 12px;
  color: var(--accent-green);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.add-member-btn:hover {
  background: rgba(0, 255, 135, 0.2);
  border-color: var(--accent-green);
  transform: translateY(-1px);
}

.max-members-alert {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  color: #fcd34d;
  font-size: 0.82rem;
  font-weight: 500;
}

/* Branch Animation */
.form-branch {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  animation: branchFadeIn 0.35s ease-out;
}

@keyframes branchFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Participant Panel & Individual Grid */
.participant-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.participant-panel {
  animation: branchFadeIn 0.35s ease-out;
}

.individual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.email-subhint {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: normal;
  margin-left: 0.35rem;
}

/* ==========================================================================
   INTERACTIVE BATCH SELECTION PILLS (23/24, 22/23, 21/22, 20/21)
   ========================================================================== */

.batch-pills-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 0.35rem;
}

.batch-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 0.5rem;
  background: var(--bg-input);
  border: 1px solid rgba(0, 255, 135, 0.2);
  border-radius: 14px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  transition: var(--transition-spring);
  user-select: none;
}

.batch-radio {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(0, 255, 135, 0.4);
  position: relative;
  transition: var(--transition-smooth);
}

.batch-pill:hover {
  border-color: var(--accent-green);
  color: var(--text-pure);
  background: #041428;
  transform: translateY(-2px);
}

.batch-pill.active {
  background: linear-gradient(135deg, rgba(0, 255, 135, 0.2), rgba(5, 24, 46, 0.8));
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.32);
  transform: translateY(-2px);
}

.batch-pill.active .batch-radio {
  border-color: var(--accent-green);
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.hidden-select {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* Form Alert */
.form-alert {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.form-alert.alert-error {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #fecdd3;
}

.form-alert.alert-success {
  background: rgba(0, 255, 135, 0.15);
  border: 1px solid rgba(0, 255, 135, 0.4);
  color: #a7f3d0;
}

/* Form Action Bar */
.form-action-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.75rem;
}

.submit-action-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  padding: 1.15rem 2rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-dark);
  background: linear-gradient(135deg, #00FF87 0%, #10F996 50%, #05DF72 100%);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 255, 135, 0.15);
  transition: var(--transition-spring);
}

.submit-action-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.55), 0 3px 8px rgba(0, 255, 135, 0.25);
  filter: brightness(1.05);
}

.submit-action-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.submit-arrow-icon {
  transition: transform 0.25s ease;
}

.submit-action-btn:hover:not(:disabled) .submit-arrow-icon {
  transform: translateX(5px);
}

.btn-spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(2, 18, 14, 0.3);
  border-top-color: #02120e;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   MODAL SYSTEMS (Celebration Modal & Spreadsheet Config Modal)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 18, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 10000;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 255, 135, 0.35);
  border-radius: 28px;
  max-width: 540px;
  width: 100%;
  padding: 2.8rem 2.2rem;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 40px rgba(0, 255, 135, 0.22);
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

@keyframes popIn {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Animated Checkmark */
.success-icon-animated {
  width: 76px;
  height: 76px;
  margin: 0 auto 1.5rem;
}

.checkmark {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: block;
  stroke-width: 3.5;
  stroke: #10b981;
  stroke-miterlimit: 10;
  box-shadow: inset 0 0 0 #10b981;
  animation: fillCircle 0.4s ease-in-out 0.4s forwards, scaleUp 0.3s ease-in-out 0.9s both;
}

.checkmark__circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 3.5;
  stroke-miterlimit: 10;
  stroke: #10b981;
  fill: rgba(0, 255, 135, 0.12);
  animation: strokeCircle 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark__check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: strokeCheck 0.35s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

@keyframes strokeCircle {
  100% { stroke-dashoffset: 0; }
}

@keyframes strokeCheck {
  100% { stroke-dashoffset: 0; }
}

.success-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.12em;
  background: rgba(0, 255, 135, 0.12);
  border: 1px solid rgba(0, 255, 135, 0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 0.75rem;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 1.85rem;
  line-height: 1.6;
}

.receipt-box {
  background: rgba(2, 10, 22, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem 1.4rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.receipt-key {
  color: var(--text-dim);
}

.receipt-val {
  font-weight: 600;
  color: var(--text-pure);
  max-width: 65%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.modal-primary-btn {
  width: 100%;
  padding: 1rem 1.8rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-dark);
  background: linear-gradient(135deg, var(--accent-green), var(--accent-emerald));
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
  transition: var(--transition-smooth);
}

.modal-primary-btn:hover {
  filter: brightness(1.05);
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 255, 135, 0.2);
}

.modal-secondary-btn {
  width: 100%;
  padding: 0.95rem 1.8rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: #a7f3d0;
  background: rgba(3, 14, 28, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-top: 0.75rem;
}

.modal-secondary-btn:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(4, 22, 42, 0.9);
}

/* Config Modal */
.config-card {
  max-width: 620px;
  text-align: left;
  padding: 2.5rem;
}

.config-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
}

.config-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.config-icon {
  font-size: 1.85rem;
}

.config-title-group h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text-pure);
}

.config-title-group p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.close-x-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
}

.close-x-btn:hover {
  color: var(--accent-green);
}

.integration-status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.25);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.status-indicator-live {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.live-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
}

.status-indicator-live strong {
  color: var(--accent-green);
  font-size: 0.95rem;
}

.status-indicator-live p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.status-indicator-live code {
  color: var(--accent-mint);
  font-family: monospace;
}

.connected-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.65rem;
  background: var(--accent-green);
  color: var(--text-dark);
  border-radius: 6px;
}

.config-info-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.guide-box {
  background: rgba(2, 10, 22, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.5rem;
}

.guide-box h4 {
  font-size: 0.92rem;
  color: var(--accent-green);
  margin-bottom: 0.65rem;
}

.guide-box ol {
  padding-left: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.guide-box a {
  color: var(--accent-mint);
  text-decoration: underline;
}

.advanced-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.advanced-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-pure);
  font-weight: 600;
}

.tag-opt {
  font-size: 0.72rem;
  color: var(--text-dim);
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.2);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.code-input {
  padding-left: 1.15rem;
  font-family: monospace;
  font-size: 0.85rem;
}

.input-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.local-backup-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(3, 14, 28, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.export-btn {
  background: rgba(0, 255, 135, 0.15);
  border: 1px solid rgba(0, 255, 135, 0.35);
  color: var(--accent-green);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.export-btn:hover {
  background: var(--accent-green);
  color: var(--text-dark);
}

.config-actions {
  margin-top: 1.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(2, 6, 16, 0.96);
  padding: 3rem 1.5rem;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.footer-logos-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.copyright {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   ABOUT PAGE STYLES (What is SYNTHEX 2026 & What is STS)
   ========================================================================== */

.about-page-main {
  min-height: calc(100vh - 160px);
  position: relative;
  z-index: 10;
  padding-bottom: 5rem;
}

.about-header-section {
  padding: 4.5rem 1.5rem 2rem;
  text-align: center;
}

.about-header-box {
  max-width: 820px;
  margin: 0 auto;
}

.about-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.about-main-title {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  line-height: 1.15;
}

/* About Block Section for each part */
.about-block-section {
  padding: 2.5rem 1.5rem;
  position: relative;
}

.about-block-card {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 28px;
  padding: 3.5rem 3.2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.about-block-card:hover {
  border-color: rgba(0, 255, 135, 0.35);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.9), 0 0 35px -5px rgba(0, 255, 135, 0.15);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

/* Left Content Column */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

.about-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.25);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  text-transform: uppercase;
  width: fit-content;
}

.about-heading {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.about-text {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-main);
}

.about-text p {
  margin-bottom: 0.95rem;
}

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

/* Right Visual Column */
.about-visual-column {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
}

.about-image-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(0, 255, 135, 0.3);
  background: rgba(2, 9, 20, 0.85);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 35px rgba(0, 255, 135, 0.2);
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-spring);
}

.about-image-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent-green);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 45px rgba(0, 255, 135, 0.35);
}

.about-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 20px;
}

/* STS Logo Visual Card */
.about-sts-logo-card {
  padding: 3.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* background: radial-gradient(circle at 50% 50%, rgba(0, 255, 135, 0.1) 0%, rgba(2, 10, 22, 0.85) 70%); */
  border: 1px solid rgba(0, 255, 135, 0.3);
  border-radius: 24px;
  position: relative;
  width: 100%;
  max-width: 480px;
  /* box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 35px rgba(0, 255, 135, 0.15); */
  transition: var(--transition-spring);
}

.about-sts-logo-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--accent-green);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 45px rgba(0, 255, 135, 0.3);
}

.sts-card-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 135, 0.35) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 1;
}

.about-sts-logo {
  max-width: 250px;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 2;
  /* filter: drop-shadow(0 0 20px rgba(0, 255, 135, 0.35)); */
  transition: transform 0.3s ease;
}

.about-sts-logo-card:hover .about-sts-logo {
  transform: scale(1.04);
  /* filter: drop-shadow(0 0 30px rgba(0, 255, 135, 0.55)); */
}

.sts-caption {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  text-transform: uppercase;
  position: relative;
  z-index: 2;
  text-align: center;
}

/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM (Desktop, Tablet, Mobile)
   Airtight responsive styles to guarantee zero horizontal overflow on any device
   ========================================================================== */

/* 1. TABLET & SMALL LAPTOPS (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-left {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-title {
    font-size: clamp(2.6rem, 6.5vw, 4.2rem);
  }

  .hero-subtitle::after {
    margin: 0.4rem auto 0;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-right {
    max-width: 380px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-content {
    text-align: center;
    align-items: center;
  }
}

/* 2. TABLET PORTRAIT & LARGE MOBILE (<= 768px) */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
  }

  /* GPU Scroll Optimization: Replace expensive real-time backdrop blur on mobile with sleek solid glass tint */
  .navbar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(2, 7, 18, 0.95) !important;
  }

  .modern-form {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(3, 14, 28, 0.95) !important;
  }

  .feature-card {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(3, 14, 28, 0.92) !important;
  }

  .form-glow-backdrop {
    display: none !important;
  }

  .cta-secondary-btn {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(3, 14, 28, 0.9) !important;
  }

  .hero-badge {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(3, 14, 28, 0.9) !important;
  }

  .bulb-chip {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(3, 14, 28, 0.92) !important;
  }

  .aurora-glow-container {
    opacity: 0.35;
  }

  .aurora-glow-blob {
    filter: blur(40px) !important;
  }

  .nav-menu {
    display: none;
  }

  .status-pill {
    display: none;
  }

  .nav-container {
    padding: 0.9rem 1.25rem;
    gap: 0.75rem;
  }

  .brand-logo {
    font-size: 1.2rem;
  }

  .nav-cta-btn {
    padding: 0.45rem 1.1rem;
    font-size: 0.82rem;
  }

  .hero-section {
    padding: 2.8rem 1.25rem 2rem;
    overflow-x: clip;
  }

  .hero-title {
    font-size: clamp(2.1rem, 7.5vw, 3.2rem);
    letter-spacing: 0.03em;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    letter-spacing: 0.16em;
  }

  .hero-badge {
    font-size: 0.76rem;
    padding: 0.38rem 0.95rem;
    letter-spacing: 0.04em;
    max-width: 100%;
    text-align: center;
  }

  .hero-description {
    font-size: 1.02rem;
    max-width: 500px;
    margin-bottom: 2rem;
  }

  /* Bulb scaling for tablets */
  .hero-right {
    max-width: 340px;
    margin: 0 auto;
  }

  .idea-bulb-wrapper {
    max-width: 320px;
  }

  .bulb-glow-aura {
    width: 260px;
    height: 260px;
  }

  .bulb-rays-container {
    width: 280px;
    height: 280px;
  }

  .bulb-ray {
    width: 90px;
  }

  /* Cards grid */
  .highlights-section {
    padding: 3.5rem 1.25rem 2.5rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  /* Submit Form */
  .form-section,
  .form-standalone-section {
    padding: 2.5rem 1.25rem 3.5rem;
  }

  .form-main-title {
    font-size: 2.1rem;
  }

  .modern-form {
    padding: 2.2rem 1.4rem;
    border-radius: 20px;
    gap: 1.5rem;
  }

  .type-toggle-container {
    grid-template-columns: 1fr;
  }

  .batch-pills-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .members-table th,
  .members-table td {
    padding: 0.65rem 0.6rem;
  }

  .members-table .col-index {
    width: 75px;
  }

  .members-table .col-reg {
    min-width: 130px;
  }

  .members-table .col-name {
    min-width: 150px;
  }

  .member-input {
    font-size: 0.88rem !important;
    padding: 0.65rem 0.75rem !important;
  }

  .modal-card {
    padding: 2.2rem 1.5rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 1.25rem;
  }

  .footer-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    text-align: center;
  }

  .footer-tagline {
    text-align: center;
  }

  .footer-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .footer-logos-group {
    justify-content: center;
  }

  /* About Page Responsive (768px) */
  .about-header-section {
    padding: 3rem 1.25rem 1.5rem;
  }

  .about-block-section {
    padding: 1.75rem 1.25rem;
  }

  .about-block-card {
    padding: 2.2rem 1.5rem;
    border-radius: 20px;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(3, 14, 28, 0.94) !important;
  }

  .about-heading {
    font-size: 1.8rem;
  }

  .about-sts-logo-card {
    padding: 2.5rem 1.5rem;
  }

  .about-sts-logo {
    max-width: 200px;
  }
}

/* 3. MOBILE PHONES (<= 480px) - e.g. Huawei Nova Y61 (360px), iPhone (390px), Galaxy (360-412px) */
@media (max-width: 480px) {
  .nav-container {
    padding: 0.75rem 0.9rem;
    gap: 0.5rem;
  }

  .brand-logo {
    font-size: 1.12rem;
    gap: 0.45rem;
  }

  .nav-cta-btn {
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    white-space: nowrap;
  }

  .nav-back-btn {
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
  }

  .hero-section {
    padding: 1.8rem 0.85rem 1.5rem;
    overflow-x: clip;
  }

  .hero-badge {
    font-size: 0.68rem;
    padding: 0.35rem 0.75rem;
    gap: 0.35rem;
    letter-spacing: 0.03em;
    margin-bottom: 1.15rem;
    white-space: normal;
    text-align: center;
    line-height: 1.35;
    max-width: 100%;
  }

  /* SYNTHEX Title: Proportional scaling so it NEVER overflows horizontally on 360px screens */
  .hero-title {
    font-size: clamp(1.85rem, 8.8vw, 2.35rem);
    letter-spacing: 0.02em;
    line-height: 1.05;
    margin-bottom: 0.35rem;
    word-break: normal;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    letter-spacing: 0.12em;
  }

  .hero-subtitle-container {
    margin-bottom: 1.15rem;
  }

  .hero-description {
    font-size: 0.94rem;
    line-height: 1.6;
    margin-bottom: 1.6rem;
    padding: 0 0.2rem;
  }

  /* Buttons: Full-width stacked with comfortable touch targets that fit 100% of screen */
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
    align-items: stretch;
  }

  .cta-primary-btn {
    width: 100%;
    justify-content: center;
    padding: 0.82rem 1.25rem;
    font-size: 0.96rem;
    box-sizing: border-box;
    text-align: center;
  }

  .cta-secondary-btn {
    width: 100%;
    justify-content: center;
    padding: 0.8rem 1.25rem;
    font-size: 0.92rem;
    box-sizing: border-box;
    text-align: center;
  }

  /* Idea Bulb: Scaled to fit comfortably on 360px viewports without radiating outside screen */
  .hero-right {
    max-width: 280px;
    margin: 0 auto;
    overflow: visible;
  }

  .idea-bulb-wrapper {
    max-width: 250px;
  }

  .bulb-glow-aura {
    width: 200px;
    height: 200px;
  }

  .bulb-rays-container {
    width: 210px;
    height: 210px;
  }

  .bulb-ray {
    width: 65px;
  }

  .bulb-chip {
    padding: 0.28rem 0.6rem;
    gap: 0.3rem;
  }

  .chip-text {
    font-size: 0.66rem;
  }

  .chip-sparkle {
    font-size: 0.7rem;
  }

  .chip-top-left {
    left: 0;
    top: 4%;
  }

  .chip-top-right {
    right: 0;
    top: 4%;
  }

  .chip-bottom-right {
    right: 0;
    bottom: 8%;
  }

  /* Highlights Section */
  .highlights-section {
    padding: 2.5rem 0.85rem 1.8rem;
  }

  .section-tag {
    font-size: 0.75rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section-desc {
    font-size: 0.9rem;
    line-height: 1.55;
  }

  .feature-card {
    padding: 1.4rem 1.1rem;
    border-radius: 16px;
  }

  .feature-card h3 {
    font-size: 1.15rem;
  }

  .feature-card p {
    font-size: 0.88rem;
  }

  /* Submit Form Section */
  .form-section,
  .form-standalone-section {
    padding: 1.5rem 0.75rem 2.8rem;
  }

  .form-pill {
    font-size: 0.72rem;
    padding: 0.32rem 0.8rem;
  }

  .form-main-title {
    font-size: 1.6rem;
  }

  .form-sub-desc {
    font-size: 0.88rem;
    padding: 0 0.4rem;
  }

  .form-card-wrapper {
    width: 100%;
    max-width: 100%;
  }

  .modern-form {
    padding: 1.5rem 0.95rem;
    border-radius: 18px;
    gap: 1.35rem;
  }

  .form-label {
    font-size: 0.9rem;
  }

  .form-control {
    padding: 0.78rem 0.9rem 0.78rem 2.5rem;
    font-size: 0.9rem;
    border-radius: 12px;
  }

  .input-icon {
    left: 0.8rem;
  }

  .form-textarea {
    padding: 0.85rem;
    min-height: 110px;
    font-size: 0.9rem;
  }

  .type-toggle-btn {
    padding: 0.9rem 0.95rem;
    border-radius: 14px;
  }

  .type-title {
    font-size: 0.95rem;
  }

  .batch-pill {
    padding: 0.72rem 0.3rem;
    font-size: 0.9rem;
    gap: 0.4rem;
  }

  .batch-radio {
    width: 12px;
    height: 12px;
  }

  /* Dynamic Members Table Mobile */
  .members-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

  .members-count-pill {
    font-size: 0.76rem;
    padding: 0.25rem 0.65rem;
  }

  .members-table-container {
    border-radius: 12px;
  }

  .members-footer-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .add-member-btn {
    width: 100%;
    justify-content: center;
    padding: 0.65rem 1rem;
    font-size: 0.88rem;
  }

  .max-members-alert {
    width: 100%;
    justify-content: center;
    font-size: 0.78rem;
    padding: 0.45rem 0.75rem;
  }

  .submit-action-btn {
    padding: 0.85rem 1.25rem;
    font-size: 0.98rem;
    border-radius: 999px;
  }

  /* Submissions Closed Card */
  .submissions-closed-card {
    padding: 2rem 0.8rem;
  }

  .closed-title {
    font-size: 1.45rem;
  }

  .closed-description {
    font-size: 0.88rem;
    line-height: 1.55;
  }

  .closed-info-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .closed-info-item {
    padding: 0.9rem 0.8rem;
  }

  .closed-home-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

  /* Modal */
  .modal-backdrop {
    padding: 0.75rem;
  }

  .modal-card {
    padding: 1.75rem 1.1rem;
    border-radius: 18px;
  }

  .modal-title {
    font-size: 1.35rem;
  }

  .modal-desc {
    font-size: 0.86rem;
  }

  .receipt-box {
    padding: 0.85rem;
  }

  .receipt-row {
    font-size: 0.8rem;
  }

  /* About Page Responsive (480px) */
  .about-header-section {
    padding: 2rem 0.85rem 1.25rem;
  }

  .about-block-section {
    padding: 1.25rem 0.85rem;
  }

  .about-block-card {
    padding: 1.6rem 1rem;
    border-radius: 18px;
  }

  .about-main-title {
    font-size: 1.75rem;
  }

  .about-heading {
    font-size: 1.45rem;
  }

  .about-text {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .about-sts-logo {
    max-width: 170px;
  }

  /* Footer */
  .footer {
    padding: 2.2rem 1rem;
  }

  .footer-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    text-align: center;
  }

  .footer-tagline {
    font-size: 0.82rem;
    text-align: center;
  }

  .footer-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
  }

  .footer-logos-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
  }

  .footer-sts-logo {
    width: 52px;
    margin-left: 0;
    margin-top: 0;
  }

  .copyright {
    text-align: center;
  }
}

/* 4. COMPACT MOBILE SCREENS (<= 360px) - e.g. smaller screens, Galaxy Fold, tight viewports */
@media (max-width: 360px) {
  .hero-title {
    font-size: 1.85rem;
    letter-spacing: 0.01em;
  }

  .hero-subtitle {
    font-size: 0.84rem;
    letter-spacing: 0.08em;
  }

  .brand-logo {
    font-size: 1.05rem;
  }

  .nav-cta-btn {
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
  }

  .hero-right {
    max-width: 240px;
  }

  .idea-bulb-wrapper {
    max-width: 220px;
  }

  .cta-primary-btn,
  .cta-secondary-btn {
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
  }

  .modern-form {
    padding: 1.35rem 0.8rem;
  }
}