/* ============================================================
   Nocturn Pulse Design System
   getmivvo.app static web pages
   ============================================================ */

/* ---------------------------------------------------------------
   Design Tokens
   --------------------------------------------------------------- */
:root {
  --bg-primary:       #0A0A1A;
  --bg-secondary:     #12122A;
  --bg-card:          #1A1A3A;
  --text-primary:     #F0F0F5;
  --text-secondary:   #A0A0B5;
  --text-tertiary:    #6A6A80;
  --accent-violet:    #7C5CFC;
  --accent-magenta:   #E040FB;
  --accent-amber:     #FFD700;

  --border-subtle:    rgba(124, 92, 252, 0.2);
  --border-medium:    rgba(124, 92, 252, 0.4);

  --radius-sm:        8px;
  --radius-md:        12px;
  --radius-lg:        16px;
  --radius-xl:        24px;

  --shadow-card:      0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 12px 40px rgba(124, 92, 252, 0.25);

  --transition-fast:  0.15s ease;
  --transition-base:  0.2s ease;
  --transition-slow:  0.3s ease;

  --header-height:    64px;
  --container-max:    1100px;
}

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

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

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

/* ---------------------------------------------------------------
   Typography Base
   --------------------------------------------------------------- */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: 0.01em;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2vw, 1.5rem); font-weight: 400; }

p {
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.75;
}

/* ---------------------------------------------------------------
   Layout Utilities
   --------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------------------------
   Gradient Utilities
   --------------------------------------------------------------- */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
}

/* ---------------------------------------------------------------
   Header
   --------------------------------------------------------------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  -webkit-text-fill-color: white;
  flex-shrink: 0;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  object-fit: cover;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color var(--transition-base);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  inset-inline: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-violet), var(--accent-magenta));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

nav a:hover {
  color: var(--text-primary);
}

nav a:hover::after {
  transform: scaleX(1);
}

nav a.active {
  color: var(--accent-violet);
}

nav a.active::after {
  transform: scaleX(1);
}

/* ---------------------------------------------------------------
   Hero Section
   --------------------------------------------------------------- */
.hero {
  padding-block: clamp(72px, 12vw, 140px) clamp(64px, 10vw, 120px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center,
    rgba(124, 92, 252, 0.15) 0%,
    rgba(224, 64, 251, 0.08) 40%,
    transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-violet);
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 28px;
}

.hero h1 {
  max-width: 820px;
  margin-inline: auto;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 48px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------------
   Buttons
   --------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  padding: 14px 28px;
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 92, 252, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(124, 92, 252, 0.55);
  transform: translateY(-1px);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  background: rgba(124, 92, 252, 0.06);
}

/* ---------------------------------------------------------------
   App Store Badge
   --------------------------------------------------------------- */
.badge-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.app-store-badge {
  display: block;
  height: 54px;
  width: auto;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.app-store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

/* ---------------------------------------------------------------
   Section Shared
   --------------------------------------------------------------- */
section {
  padding-block: clamp(56px, 8vw, 100px);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 560px;
  margin-inline: auto;
  font-size: 1.0625rem;
}

/* ---------------------------------------------------------------
   Features Grid
   --------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, minmax(240px, 1fr));
  }
}

/* ---------------------------------------------------------------
   Feature Card
   --------------------------------------------------------------- */
.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(124, 92, 252, 0.4),
    transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-medium);
}

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

/* Feature Icon */
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg,
    rgba(124, 92, 252, 0.2),
    rgba(224, 64, 251, 0.15));
  border: 1px solid rgba(124, 92, 252, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ---------------------------------------------------------------
   Stats / Metrics Strip
   --------------------------------------------------------------- */
.stats-strip {
  background-color: var(--bg-secondary);
  border-block: 1px solid var(--border-subtle);
  padding-block: 40px;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(32px, 6vw, 80px);
  flex-wrap: wrap;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------
   Testimonial / Quote
   --------------------------------------------------------------- */
.testimonial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 48px);
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.testimonial-card blockquote {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.7;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}

.testimonial-card cite {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-style: normal;
}

/* ---------------------------------------------------------------
   Footer
   --------------------------------------------------------------- */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-block: 48px 32px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 4vw, 40px);
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  transition: color var(--transition-base);
  font-weight: 400;
}

.footer-nav a:hover {
  color: var(--accent-violet);
}

.footer-divider {
  width: 100%;
  height: 1px;
  background-color: var(--border-subtle);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-weight: 300;
}

/* ---------------------------------------------------------------
   Legal Pages (.legal-content)
   --------------------------------------------------------------- */
.legal-hero {
  padding-block: clamp(48px, 7vw, 88px) clamp(32px, 4vw, 48px);
  border-bottom: 1px solid var(--border-subtle);
}

.legal-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 12px;
}

.legal-meta {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-weight: 300;
}

.legal-content {
  max-width: 800px;
  margin-inline: auto;
  padding-block: clamp(40px, 6vw, 72px);
  line-height: 1.8;
}

.legal-content h2 {
  font-size: clamp(1.1875rem, 2.5vw, 1.5rem);
  font-weight: 500;
  color: var(--accent-violet);
  margin-top: 56px;
  margin-bottom: 16px;
  letter-spacing: -0.015em;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 32px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-weight: 300;
}

.legal-content ul,
.legal-content ol {
  list-style: none;
  margin-bottom: 20px;
  padding-inline-start: 0;
}

.legal-content ul li,
.legal-content ol li {
  color: var(--text-secondary);
  font-weight: 300;
  padding-inline-start: 24px;
  position: relative;
  margin-bottom: 8px;
  line-height: 1.75;
}

.legal-content ul li::before {
  content: '—';
  position: absolute;
  inset-inline-start: 0;
  color: var(--text-tertiary);
}

.legal-content ol {
  counter-reset: legal-counter;
}

.legal-content ol li {
  counter-increment: legal-counter;
}

.legal-content ol li::before {
  content: counter(legal-counter) '.';
  position: absolute;
  inset-inline-start: 0;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.legal-content a {
  color: var(--accent-violet);
  transition: color var(--transition-base);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(124, 92, 252, 0.4);
}

.legal-content a:hover {
  color: var(--accent-magenta);
  text-decoration-color: rgba(224, 64, 251, 0.6);
}

.legal-content strong {
  font-weight: 500;
  color: var(--text-primary);
}

.legal-content hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin-block: 40px;
}

.legal-content .callout {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-inline-start: 3px solid var(--accent-violet);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 20px;
}

.legal-content .callout p {
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* ---------------------------------------------------------------
   404 / Error Page
   --------------------------------------------------------------- */
.error-page {
  min-height: calc(100vh - var(--header-height) - 180px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: 80px;
}

.error-code {
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

/* ---------------------------------------------------------------
   Responsive: Tablet (768px)
   --------------------------------------------------------------- */
@media (min-width: 768px) {
  .container {
    padding-inline: 32px;
  }

  .hero {
    padding-block: 100px 88px;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: start;
  }

  .footer-inner .footer-copy {
    margin-inline-start: auto;
  }
}

/* ---------------------------------------------------------------
   Responsive: Desktop (1024px)
   --------------------------------------------------------------- */
@media (min-width: 1024px) {
  .container {
    padding-inline: 40px;
  }
}

/* ---------------------------------------------------------------
   Responsive: Mobile (<640px) overrides
   --------------------------------------------------------------- */
@media (max-width: 639px) {
  nav {
    gap: 20px;
  }

  nav a {
    font-size: 0.8125rem;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.875rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
}

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