/* TaskBite Landing Page CSS — Pre-dawn Glassmorphic Design System */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Geist:wght@100..900&display=swap');

:root {
  /* Colors */
  --color-void: #0a0a0a;
  --color-char: #1d1d1d;
  --color-iron: #3d3d3d;
  --color-slate: #505050;
  --color-smoke: #797979;
  --color-graphite: #161616;
  --color-ink: #282828;
  --color-fog: #686868;
  --color-mist: #c2c2c2;
  --color-ash: #b2b2b2;
  --color-bone: #e5e5e5;
  --color-paper: #ffffff;
  --color-onyx: #000000;
  --color-indigo-haze: #6b62f2;
  --gradient-indigo-haze: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 40%, rgba(107,98,242,0.565) 50%, rgba(0,0,0,0) 60%, rgba(0,0,0,0));
  --color-dawn-wash: #9cafb8;
  --gradient-dawn-wash: linear-gradient(180deg, rgb(72,103,175), rgb(156,175,184), rgb(196,149,119));

  /* Typography — Font Families */
  --font-dm-sans: 'DM Sans', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-geist: 'Geist', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-28: 28px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-44: 44px;
  --spacing-48: 48px;
  --spacing-56: 56px;
  --spacing-64: 64px;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 80px;
  --card-padding: 24px;
  --element-gap: 8px;

  /* Named Radii */
  --radius-pill: 9999px;
  --radius-tags: 9999px;
  --radius-cards: 24px;
  --radius-inputs: 10px;
  --radius-buttons: 9999px;
  --radius-iconcontainers: 4px;
  --radius-largecontainers: 40px;

  /* Custom Transitions & Shadow */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-nav: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-mockup: 0 24px 48px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--color-void);
}

body {
  font-family: var(--font-dm-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-mist);
  background-color: var(--color-void);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-bone);
  font-weight: 500;
}

/* Scrollbar styles */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-void);
}
::-webkit-scrollbar-thumb {
  background: var(--color-char);
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-void);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-iron);
}

/* Core layouts */
.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

/* Section styling */
section {
  padding: var(--section-gap) 0;
}

/* Header & Nav */
.floating-nav {
  position: fixed;
  bottom: var(--spacing-24);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 580px;
  height: 48px;
  background-color: rgba(29, 29, 29, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(229, 229, 229, 0.08);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-8) 0 var(--spacing-20);
  z-index: 100;
  transition: var(--transition-medium);
}

.floating-nav:hover {
  border-color: rgba(229, 229, 229, 0.15);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  text-decoration: none;
}

.nav-logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.nav-title {
  font-family: var(--font-dm-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-paper);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-20);
}

.nav-link {
  font-family: var(--font-dm-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-bone);
  opacity: 0.7;
  text-decoration: none;
  transition: var(--transition-fast);
}

.nav-link:hover {
  opacity: 1;
}

/* CTA Pill Button (Default light button) */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  height: 36px;
  padding: 0 var(--spacing-16);
  background-color: var(--color-paper);
  color: var(--color-void);
  border-radius: var(--radius-pill);
  font-family: var(--font-dm-sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-cta svg,
.btn-secondary-pill svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding: 80px 0 120px 0;
  display: flex;
  align-items: center;
  background: 
    radial-gradient(50% 50% at 50% 35%, rgba(107, 98, 242, 0.45) 0%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(180deg, rgba(72, 103, 175, 0.75) 0%, rgba(156, 175, 184, 0.55) 45%, rgba(196, 149, 119, 0.35) 75%, #0a0a0a 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 4.5fr 7.5fr;
  gap: var(--spacing-48);
  align-items: center;
}

/* Hero Text Column */
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 var(--spacing-12);
  background-color: rgba(29, 29, 29, 0.6);
  border: 1px solid rgba(229, 229, 229, 0.08);
  border-radius: var(--radius-tags);
  font-family: var(--font-dm-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-mist);
  margin-bottom: var(--spacing-20);
}

.hero-headline {
  font-family: var(--font-dm-sans);
  font-size: 64px;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--color-paper);
  margin-bottom: var(--spacing-24);
  max-width: 500px;
}

.hero-headline span {
  opacity: 0.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-40);
}

.btn-secondary-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  height: 40px;
  padding: 0 var(--spacing-20);
  background-color: rgba(29, 29, 29, 0.6);
  border: 1px solid rgba(229, 229, 229, 0.08);
  color: var(--color-bone);
  border-radius: var(--radius-pill);
  font-family: var(--font-dm-sans);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-fast);
}

.btn-secondary-pill:hover {
  background-color: var(--color-iron);
  border-color: rgba(229, 229, 229, 0.15);
}

.hero-cta {
  height: 40px;
  font-size: 14px;
  padding: 0 var(--spacing-24);
  white-space: nowrap;
}

/* Feature Bullet Rows (Hero) */
.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  width: 100%;
}

.bullet-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  font-family: var(--font-dm-sans);
  font-size: 15px;
  color: var(--color-mist);
}

.bullet-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--color-ash);
}

.bullet-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

/* Interactive App Mockup (Hero Right) */
.mockup-container {
  position: relative;
  z-index: 10;
}

.app-screenshot-showcase {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-medium);
}

.app-screenshot-showcase:hover {
  transform: translateY(-2px);
}

/* Below the fold sections */
.dark-section {
  background-color: var(--color-void);
  position: relative;
}

/* Hairline Divider */
.hairline-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(229,229,229,0) 0%, rgba(229,229,229,0.06) 50%, rgba(229,229,229,0) 100%);
  border: none;
}

/* Section Titles */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-56);
}

.section-label {
  font-family: var(--font-dm-sans);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  color: #6b62f2; /* Indigo accent color for labels */
  letter-spacing: 1px;
  margin-bottom: var(--spacing-12);
  display: block;
}

.section-title {
  font-family: var(--font-dm-sans);
  font-size: 38px;
  font-weight: 400;
  color: var(--color-paper);
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.feature-card {
  background-color: var(--color-char);
  border: 1px solid rgba(229, 229, 229, 0.06);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  transition: var(--transition-medium);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.feature-card:hover {
  border-color: rgba(229, 229, 229, 0.12);
  transform: translateY(-2px);
}

.feature-icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(229, 229, 229, 0.06);
  color: var(--color-bone);
}

.feature-icon-container svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

.feature-name {
  font-family: var(--font-geist);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-paper);
}

.feature-desc {
  font-family: var(--font-dm-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-mist);
}

/* Download Section */
.download-section {
  padding: var(--section-gap) 0 120px 0;
  display: flex;
  align-items: center;
  position: relative;
}

.download-spotlight {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 300px;
  background: radial-gradient(50% 50% at 50% 100%, rgba(107, 98, 242, 0.18) 0%, rgba(107, 98, 242, 0) 100%);
  z-index: 1;
  pointer-events: none;
}

.download-box {
  background-color: var(--color-char);
  border: 1px solid rgba(229, 229, 229, 0.06);
  border-radius: var(--radius-largecontainers);
  padding: var(--spacing-48);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.download-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: var(--spacing-24);
}

.download-title {
  font-family: var(--font-dm-sans);
  font-size: 36px;
  color: var(--color-paper);
  margin-bottom: var(--spacing-16);
}

.download-subtitle {
  font-family: var(--font-dm-sans);
  font-size: 16px;
  color: var(--color-mist);
  max-width: 480px;
  margin: 0 auto var(--spacing-40) auto;
}

.download-options {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-24);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-12);
  height: 48px;
  padding: 0 var(--spacing-24);
  background-color: var(--color-paper);
  color: var(--color-void);
  border-radius: var(--radius-pill);
  font-family: var(--font-dm-sans);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.download-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.download-btn.secondary-btn {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(229, 229, 229, 0.08);
  color: var(--color-bone);
}

.download-btn.secondary-btn:hover {
  background-color: var(--color-iron);
  border-color: rgba(229, 229, 229, 0.15);
}

.download-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

.download-meta {
  font-family: var(--font-dm-sans);
  font-size: 13px;
  color: var(--color-fog);
}

/* Changelog Section */
.changelog-section {
  padding: var(--section-gap) 0;
  background-color: var(--color-void);
}

.changelog-container {
  max-width: 960px;
}

.changelog-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--spacing-40);
  margin-bottom: var(--spacing-40);
}

.changelog-header .section-label {
  margin-bottom: var(--spacing-8);
}

.changelog-header .section-title {
  margin-bottom: var(--spacing-8);
}

.changelog-header p {
  color: var(--color-smoke);
}

.changelog-all-link,
.release-link,
.release-fallback a,
.release-notes a {
  color: var(--color-bone);
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.changelog-all-link {
  flex-shrink: 0;
  font-size: 14px;
}

.changelog-all-link:hover,
.release-link:hover,
.release-fallback a:hover,
.release-notes a:hover {
  color: var(--color-paper);
}

.release-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
}

.release-card {
  overflow: hidden;
  background-color: var(--color-char);
  border: 1px solid rgba(229, 229, 229, 0.07);
  border-radius: 18px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.release-card:hover,
.release-card[open] {
  border-color: rgba(107, 98, 242, 0.38);
}

.release-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  padding: var(--spacing-20) var(--spacing-24);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.release-summary::-webkit-details-marker {
  display: none;
}

.release-heading,
.release-title-row {
  display: flex;
  align-items: center;
}

.release-heading {
  min-width: 0;
  gap: var(--spacing-16);
}

.release-title-row {
  gap: var(--spacing-8);
}

.release-title {
  color: var(--color-paper);
  font-size: 17px;
  font-weight: 600;
}

.release-latest {
  padding: 3px 8px;
  color: #bcb8ff;
  background: rgba(107, 98, 242, 0.16);
  border: 1px solid rgba(107, 98, 242, 0.28);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.45px;
}

.release-date {
  color: var(--color-smoke);
  font-size: 13px;
  white-space: nowrap;
}

.release-toggle {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border: 1px solid rgba(229, 229, 229, 0.1);
  border-radius: 50%;
}

.release-toggle::before,
.release-toggle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: var(--color-mist);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.release-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.release-card[open] .release-toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.release-body {
  padding: 0 var(--spacing-24) var(--spacing-24);
  border-top: 1px solid rgba(229, 229, 229, 0.06);
}

.release-notes {
  padding-top: var(--spacing-24);
  color: var(--color-mist);
  font-size: 15px;
  line-height: 1.65;
}

.release-notes h4 {
  margin: var(--spacing-24) 0 var(--spacing-8);
  color: var(--color-bone);
  font-size: 15px;
  font-weight: 600;
}

.release-notes h4:first-child {
  margin-top: 0;
}

.release-notes p,
.release-notes ul,
.release-notes ol {
  margin-bottom: var(--spacing-16);
}

.release-notes ul,
.release-notes ol {
  padding-left: var(--spacing-24);
}

.release-notes li + li {
  margin-top: var(--spacing-8);
}

.release-notes code {
  padding: 2px 6px;
  color: var(--color-bone);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(229, 229, 229, 0.07);
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.87em;
  overflow-wrap: anywhere;
}

.release-notes hr {
  margin: var(--spacing-24) 0;
  border: 0;
  border-top: 1px solid rgba(229, 229, 229, 0.07);
}

.release-link {
  display: inline-flex;
  margin-top: var(--spacing-8);
  font-size: 13px;
}

.release-loading,
.release-fallback {
  padding: var(--spacing-24);
  color: var(--color-smoke);
  background-color: var(--color-char);
  border: 1px solid rgba(229, 229, 229, 0.07);
  border-radius: 18px;
  font-size: 14px;
}

.release-loading {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
}

.release-loading-dot {
  width: 8px;
  height: 8px;
  background: var(--color-indigo-haze);
  border-radius: 50%;
  animation: changelog-pulse 1.2s ease-in-out infinite;
}

@keyframes changelog-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1); }
}

/* Support Section */
.support-section {
  padding: var(--spacing-64) 0;
  background-color: var(--color-void);
}

.support-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-40);
  padding: var(--spacing-40);
  background-color: var(--color-char);
  border: 1px solid rgba(229, 229, 229, 0.06);
  border-radius: var(--radius-cards);
}

.support-copy {
  max-width: 560px;
}

.support-copy .section-label {
  margin-bottom: var(--spacing-8);
}

.support-title {
  margin-bottom: var(--spacing-8);
  font-family: var(--font-dm-sans);
  font-size: 28px;
  line-height: 1.2;
  color: var(--color-paper);
}

.support-copy p {
  color: var(--color-mist);
}

.support-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--spacing-12);
}

.support-action {
  height: 40px;
  white-space: nowrap;
}

/* Footer */
.site-footer {
  padding: var(--spacing-40) 0 100px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-fog);
  border-top: 1px solid rgba(229, 229, 229, 0.04);
}

/* Keyframes */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0px); }
}

@keyframes slideIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-40);
  }
  
  .hero-content {
    align-items: flex-start;
    text-align: left;
  }
  
  .hero-headline {
    font-size: 48px;
    max-width: 100%;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .hero-bullets {
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding: var(--spacing-48) 0 var(--spacing-64) 0;
  }

  .hero-headline {
    font-size: 36px;
    line-height: 1.15;
    letter-spacing: -1.5px;
  }

  .support-panel {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--spacing-32);
  }

  .support-actions {
    justify-content: flex-start;
  }

  .changelog-header {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--spacing-16);
  }
}

@media (max-width: 580px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: var(--spacing-12);
  }

  .hero-cta {
    width: 100%;
    justify-content: center;
  }

  .support-section {
    padding: var(--spacing-48) 0;
  }

  .support-panel {
    padding: var(--spacing-24);
  }

  .support-title {
    font-size: 24px;
  }

  .support-actions,
  .support-action {
    width: 100%;
  }

  .support-action {
    justify-content: center;
  }

  .changelog-section {
    padding: var(--spacing-56) 0;
  }

  .changelog-header .section-title {
    font-size: 30px;
  }

  .release-summary {
    align-items: flex-start;
    padding: var(--spacing-20);
  }

  .release-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--spacing-8);
  }

  .release-body {
    padding: 0 var(--spacing-20) var(--spacing-20);
  }
}