/* ==========================================================================
   ETHOS LANDING PAGE — DARK GLASSMORPHISM PREMIUM STYLES
   ========================================================================== */

:root {
  --bg-primary: #0A0D18;
  --bg-secondary: #111528;
  --bg-card: rgba(19, 24, 44, 0.65);
  --bg-card-hover: rgba(28, 35, 65, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.35);
  --accent-indigo: #6366F1;
  --accent-cyan: #06B6D4;
  --accent-purple: #8B5CF6;
  --accent-emerald: #10B981;
  --accent-orange: #F97316;
  --text-main: #FFFFFF;
  --text-muted: #94A3B8;
  --text-sub: #CBD5E1;
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 25%, rgba(6, 182, 212, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.14) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Background Gradients & Glow Orbs */
.ambient-glow-1 {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.22) 0%, rgba(15, 23, 42, 0) 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* HEADER / NAV */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 13, 24, 0.80);
  border-bottom: 1px solid var(--border-glass);
  padding: 16px 0;
  transition: all 0.25s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}

.logo-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-beta {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.15);
  color: #818CF8;
  border: 1px solid rgba(99, 102, 241, 0.35);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.35);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 8px 26px rgba(79, 70, 229, 0.5);
  border-color: rgba(255, 255, 255, 0.35);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
}

/* HERO SECTION */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  color: #A5B4FC;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.15);
}

.hero-pill .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10B981;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(34px, 5.5vw, 62px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.035em;
  max-width: 900px;
  margin: 0 auto 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, #A5B4FC 60%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-sub);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-stats span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* INTERACTIVE PREVIEW MOCKUP */
.preview-wrapper {
  margin: 40px auto 70px;
  max-width: 1040px;
  position: relative;
}

.preview-glow {
  position: absolute;
  inset: -15px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(6, 182, 212, 0.25) 100%);
  border-radius: 32px;
  filter: blur(28px);
  opacity: 0.6;
  z-index: 0;
}

.preview-card {
  position: relative;
  background: rgba(13, 17, 30, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  padding: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

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

.mockup-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

.tab-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.5);
  color: #FFFFFF;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.25);
}

.tab-content {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* SECTION COMMONS */
.section-padding {
  padding: 80px 0;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.12);
  color: #818CF8;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.section-title {
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* FEATURES GRID */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 28px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.6), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

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

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.15);
  color: #A5B4FC;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #FFFFFF;
}

.feature-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* DEVELOPER SPOTLIGHT SECTION */
.dev-card-wrapper {
  margin-top: 40px;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

.dev-card {
  background: linear-gradient(135deg, rgba(23, 28, 52, 0.85) 0%, rgba(15, 20, 36, 0.95) 100%);
  border: 1.5px solid rgba(99, 102, 241, 0.35);
  border-radius: 26px;
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-start;
  gap: 28px;
  position: relative;
  overflow: hidden;
}

.dev-avatar-box {
  width: 96px;
  height: 96px;
  border-radius: 28px;
  background: linear-gradient(135deg, #6366F1 0%, #06B6D4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 32px;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.4);
  border: 3px solid rgba(255, 255, 255, 0.15);
}

.dev-info {
  flex: 1;
}

.dev-role-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #38BDF8;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.dev-name {
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.verified-icon {
  color: #06B6D4;
}

.dev-bio {
  font-size: 14.5px;
  line-height: 1.7;
  color: #CBD5E1;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 20px;
  border-radius: 16px;
  border-left: 3px solid #6366F1;
  margin-bottom: 18px;
}

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

.dev-tag {
  font-size: 11.5px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  padding: 4px 10px;
  border-radius: 8px;
  color: #94A3B8;
}

/* WAITLIST FORM SECTION */
.waitlist-section {
  padding: 80px 0;
  position: relative;
}

.waitlist-card {
  max-width: 680px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(23, 28, 52, 0.9) 0%, rgba(13, 17, 30, 0.95) 100%);
  border: 1.5px solid rgba(99, 102, 241, 0.35);
  border-radius: 28px;
  padding: 40px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  position: relative;
}

.form-group {
  margin-bottom: 18px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.form-input, .form-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(10, 13, 24, 0.7);
  border: 1px solid var(--border-glass);
  color: #FFFFFF;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus {
  border-color: #6366F1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: rgba(10, 13, 24, 0.95);
}

.form-submit-btn {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  margin-top: 8px;
}

.form-note {
  font-size: 11.5px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 14px;
}

.alert-box {
  padding: 14px 18px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 13.5px;
  display: none;
  animation: fadeIn 0.2s ease-out;
}

.alert-box.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #A7F3D0;
}

.alert-box.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #FECACA;
}

/* FAQ ACCORDION */
.faq-grid {
  max-width: 740px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.faq-question {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

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

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 22px 18px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 40px 0;
  margin-top: 60px;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.footer p {
  margin-bottom: 8px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .dev-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px;
  }
  .dev-bio {
    text-align: left;
  }
  .hero-section {
    padding: 50px 0 30px;
  }
  .preview-card {
    padding: 16px;
  }
}