/* ==========================================================================
   AusVidya - Modern Clean Visual Landing Page
   Aesthetic: Premium, Clean, Non-gradient, High Visual Hierarchy
   ========================================================================== */

:root {
  --bg-main: #080c15;
  --card-bg: #101626;
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(56, 189, 248, 0.35);

  --accent-blue: #0070f3;
  --accent-blue-hover: #0056cc;
  --accent-green: #10b981;
  --accent-cyan: #0ea5e9;

  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-dim: #64748b;

  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;

  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Clean Canvas */
#cleanCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Single Subtle Deep Backlight (Very soft, no multi-color chaos) */
.single-ambient-glow {
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Site Container */
.site-container {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.75rem 4.5rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: flex-start;
  gap: 2rem;
}

/* Site Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  animation: rotateLogo360 20s linear infinite;
  transform-origin: center center;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.launch-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.95rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

/* Hero Section */
.hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: auto 0;
  padding: 2.5rem 0;
}

/* Polished Sphere Showcase */
.sphere-hero {
  position: relative;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sphere-backdrop {
  position: absolute;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.22) 0%, transparent 70%);
  filter: blur(25px);
  z-index: 0;
}

.sphere-frame {
  position: relative;
  z-index: 1;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  padding: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  animation: sphereHover 4s ease-in-out infinite alternate;
}

.hero-orb-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  transform-origin: center center;
  animation: rotateLogo360 15s linear infinite;
}

@keyframes rotateLogo360 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes sphereHover {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

/* Hero Headings */
.hero-headings {
  max-width: 780px;
  margin-bottom: 2.75rem;
}

.category-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--accent-cyan);
  margin-bottom: 1.2rem;
}

.headline {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -1.2px;
  color: #ffffff;
  margin-bottom: 1.2rem;
}

.description {
  font-size: 1.12rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

/* Coming Soon Card (Replaces Countdown) */
.coming-soon-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 1.85rem 3.5rem;
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  margin-bottom: 0;
  text-align: center;
  transition: var(--transition);
}

.coming-soon-wrapper:hover {
  border-color: rgba(56, 189, 248, 0.3);
}

.cs-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.32rem 0.9rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--accent-green);
}

.cs-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

.coming-soon-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 4px;
  color: #ffffff;
  line-height: 1.1;
  text-transform: uppercase;
}

.coming-soon-sub {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 480px;
}

/* Action Card & Signup Form */
.action-card {
  width: 100%;
  max-width: 500px;
  margin-bottom: 0;
}

.clean-form {
  display: flex;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  padding: 5px;
  transition: var(--transition);
}

.clean-form:focus-within {
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.15);
}

.input-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1;
  padding-left: 1.1rem;
}

.input-icon {
  color: var(--text-dim);
  flex-shrink: 0;
}

.input-wrap input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: #ffffff;
}

.input-wrap input::placeholder {
  color: var(--text-dim);
}

.submit-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  outline: none;
  padding: 0.8rem 1.6rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.submit-action-btn:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
}

.feedback-container {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  min-height: 22px;
}

.feedback-container.success {
  color: var(--accent-green);
}

.feedback-container.error {
  color: #ef4444;
}

/* Feature Pillars Section */
.pillars-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
}

.pillar-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: left;
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.pillar-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.social-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.social-pill {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.social-pill:hover {
  color: #ffffff;
}

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

/* Responsive */
@media (max-width: 860px) {
  .pillars-section {
    grid-template-columns: 1fr;
  }

  .headline {
    font-size: 2.5rem;
  }
}

@media (max-width: 600px) {
  .site-container {
    padding: 1rem 1.25rem 2rem;
  }

  .headline {
    font-size: 2rem;
  }

  .description {
    font-size: 0.98rem;
  }

  .coming-soon-wrapper {
    padding: 1.25rem 1.5rem;
  }

  .coming-soon-title {
    font-size: 2.1rem;
    letter-spacing: 2px;
  }

  .clean-form {
    flex-direction: column;
    border-radius: 18px;
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .input-wrap {
    padding-left: 0.25rem;
  }

  .submit-action-btn {
    width: 100%;
    justify-content: center;
  }
}