/* ==========================================================================
   itsjustme.online · Design System & Temporary Landing Styles
   Mobile-First Architecture & Design Tokens
   ========================================================================== */

:root {
  /* Design Tokens - itsjustme.online Neutrals */
  --color-neutra-1: #1f1f1f;
  --color-neutra-2: #6e6e6e;
  --color-neutra-3: #d1d1d1;
  --color-neutra-4: #eeeeec;
  --color-neutra-5: #fafaf9;
  --color-white: #ffffff;
  
  /* Accent & Gradients */
  --color-accent-start: #6366f1;
  --color-accent-end: #8b5cf6;
  --color-accent-glow: rgba(99, 102, 241, 0.15);
  
  /* Typography */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-phone: 42px;
  --radius-full: 9999px;
  
  /* Elevation & Shadows */
  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 10px 30px -4px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --shadow-announcement: 0 14px 34px -8px rgba(99, 102, 241, 0.12), 0 0 0 1px rgba(99, 102, 241, 0.18);
  --shadow-mockup: 0 25px 60px -15px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.08);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-neutra-5);
  color: var(--color-neutra-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Ambient Radial Glow */
.ambient-glow {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 650px;
  max-width: 95vw;
  height: 450px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.04) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(50px);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  z-index: 1;
}

/* Header & Navbar */
header {
  padding: 24px 0 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-neutra-1);
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--color-neutra-1);
  color: var(--color-neutra-5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-bounce);
}

.brand:hover .brand-logo {
  transform: scale(1.05) rotate(-2deg);
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.6px;
  color: var(--color-neutra-1);
}

.brand-domain {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-neutra-2);
  background: var(--color-neutra-4);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-ring 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    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);
  }
}

/* Main Area */
main {
  flex: 1;
  padding: 32px 0 60px;
}

/* Hero Section (Mobile First) */
.hero {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.badge-launch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.09);
  border: 1px solid rgba(99, 102, 241, 0.22);
  color: var(--color-accent-start);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 22px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 50px);
  line-height: 1.15;
  letter-spacing: -1.2px;
  color: var(--color-neutra-1);
  margin-bottom: 20px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-neutra-1) 20%, var(--color-neutra-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(15px, 4vw, 17px);
  color: var(--color-neutra-2);
  font-weight: 400;
  line-height: 1.65;
  margin-bottom: 30px;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

/* Coming Soon Announcement Card */
.coming-soon-card {
  background: var(--color-white);
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  text-align: left;
  max-width: 540px;
  margin: 0 auto;
  box-shadow: var(--shadow-announcement);
  position: relative;
  overflow: hidden;
}

.coming-soon-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-start), var(--color-accent-end));
}

.coming-soon-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.coming-soon-pill {
  font-size: 11px;
  font-weight: 700;
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent-start);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.coming-soon-time {
  font-size: 11px;
  color: var(--color-neutra-2);
  font-weight: 500;
}

.coming-soon-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.4px;
  color: var(--color-neutra-1);
  margin-bottom: 8px;
}

.coming-soon-body {
  font-size: 13px;
  color: var(--color-neutra-2);
  line-height: 1.6;
}

.coming-soon-body strong {
  color: var(--color-neutra-1);
}

/* Smartphone Showcase */
.mockup-container {
  display: flex;
  justify-content: center;
  margin: 36px auto 60px;
  perspective: 1200px;
}

.phone-mockup {
  width: 100%;
  max-width: 326px;
  background: var(--color-white);
  border: 9px solid var(--color-neutra-1);
  border-radius: var(--radius-phone);
  padding: 24px 18px 28px;
  box-shadow: var(--shadow-mockup);
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.phone-mockup:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 70px -18px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.phone-notch {
  width: 86px;
  height: 18px;
  background: var(--color-neutra-1);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
}

.phone-header {
  text-align: center;
  margin-top: 8px;
  margin-bottom: 22px;
}

.phone-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%);
  border: 2px solid var(--color-neutra-1);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 24px;
  color: var(--color-neutra-1);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

.phone-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 17px;
  color: var(--color-neutra-1);
  margin-bottom: 2px;
}

.phone-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent-start);
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}

.phone-bio {
  font-size: 11px;
  color: var(--color-neutra-2);
  line-height: 1.5;
  padding: 0 6px;
}

.phone-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 18px;
}

.phone-link-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  background: var(--color-neutra-5);
  border: 1px solid var(--color-neutra-3);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-neutra-1);
  text-decoration: none;
  user-select: none;
}

.phone-link-btn .icon {
  font-size: 14px;
  color: var(--color-neutra-2);
}

.phone-actions {
  display: flex;
  gap: 8px;
}

.phone-action-btn {
  flex: 1;
  padding: 9px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-neutra-3);
  background: var(--color-white);
  color: var(--color-neutra-1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  user-select: none;
}

.phone-badge {
  display: inline-block;
  text-align: center;
  width: 100%;
  font-size: 10px;
  color: var(--color-neutra-2);
  margin-top: 16px;
  font-weight: 500;
}

/* Feature Grid */
.features-section {
  margin-bottom: 60px;
}

.features-header {
  text-align: center;
  margin-bottom: 36px;
}

.features-header h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 30px);
  letter-spacing: -0.6px;
  color: var(--color-neutra-1);
  margin-bottom: 10px;
}

.features-header p {
  font-size: 14px;
  color: var(--color-neutra-2);
  max-width: 480px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-neutra-4);
  padding: 26px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-neutra-3);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--color-neutra-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  color: var(--color-neutra-1);
}

.feature-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
  color: var(--color-neutra-1);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 13px;
  color: var(--color-neutra-2);
  line-height: 1.55;
}

/* Footer */
footer {
  border-top: 1px solid var(--color-neutra-4);
  padding: 30px 0;
  text-align: center;
  margin-top: auto;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--color-neutra-2);
}

.footer-copy {
  font-size: 12px;
}

.footer-copy strong {
  color: var(--color-neutra-1);
}