/* ==========================================================================
   XClipR Landing Page — Shared Styles
   Dark theme inspired by X/Twitter
   ========================================================================== */

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

:root {
  /* X/Twitter dark palette */
  --bg-primary: #000000;
  --bg-secondary: #16181c;
  --bg-elevated: #1d1f23;
  --bg-overlay: #2f3336;
  --border-color: #2f3336;
  --text-primary: #e7e9ea;
  --text-secondary: #71767b;
  --text-muted: #536471;
  --accent: #1d9bf0;
  --accent-hover: #1a8cd8;
  --accent-glow: rgba(29, 155, 240, 0.25);
  --yt-red: #ff0033;
  --yt-red-glow: rgba(255, 0, 51, 0.2);
  --success: #00ba7c;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1080px;
  --radius: 16px;
  --radius-sm: 12px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

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

/* --- Mouse Glow --- */
.mouse-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  will-change: top, left;
  opacity: 0;
}

.mouse-glow--visible {
  opacity: 1;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-secondary);
}

/* --- Typography --- */
.headline {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.subheadline {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 64px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.navbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar__logo-text {
  color: var(--text-primary);
}

.navbar__logo-text span {
  color: var(--yt-red);
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.navbar__cta:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: scale(1.02);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 60px; /* navbar offset */
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  width: fit-content;
}

.hero__badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yt-red);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 0 32px var(--accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn--outline:hover {
  background: var(--bg-elevated);
  border-color: var(--text-muted);
}

/* --- X Feed Mockup --- */
.xfeed {
  position: relative;
  display: flex;
  flex-direction: column;
}

.xfeed__header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-elevated);
}

.xfeed__tab {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-bottom: 2px;
}

.xfeed__tab--active {
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent);
}

.xfeed__tweet {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.xfeed__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-overlay);
  flex-shrink: 0;
}

.xfeed__avatar--you {
  background: linear-gradient(135deg, var(--accent), #1a5276);
}

.xfeed__tweet-body {
  flex: 1;
  min-width: 0;
}

.xfeed__tweet-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.xfeed__name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.xfeed__handle {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.xfeed__tweet-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.xfeed__tweet-actions {
  display: flex;
  gap: 24px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.xfeed__compose {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.xfeed__compose-body {
  flex: 1;
}

.xfeed__compose-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.xfeed__compose-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.xfeed__toolbar-icons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.xfeed__clipr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 14px;
  background: #ff0000;
  color: #fff;
  border: none;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  cursor: default;
  box-shadow: 0 0 12px var(--yt-red-glow);
}

.xfeed__toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.xfeed__post-btn {
  padding: 6px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 700;
}

/* XClipR overlay floating inside the feed */
.xfeed__overlay {
  position: absolute;
  top: 150px;
  left: 50%;
  transform: translateX(-50%);
  width: 82%;

  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--accent),
    0 8px 40px rgba(0, 0, 0, 0.6),
    0 0 40px var(--accent-glow);
  z-index: 2;
  transition: transform 0.15s ease-out;
}

/* Brush arrow from button to overlay */
.xfeed__brush {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  opacity: 1;
}

.xfeed__brush--circle {
  width: 110px;
  top: 86px;
  right: 60px;
}

.xfeed__brush--body {
  width: 220px;
  top: 140px;
  right: -60px;
}

.xfeed__brush--tip {
  width: 60px;
  top: 240px;
  right: 130px;
}

/* Ensure feed has enough height for the overlay */
.xfeed {
  min-height: 600px;
  padding-bottom: 0;
  perspective: 800px;
}

/* --- CSS Mockup: Extension Overlay --- */
.mockup {
  position: relative;
}

.mockup__window {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border-color),
    0 24px 80px rgba(0, 0, 0, 0.5),
    0 0 60px var(--accent-glow);
}

.mockup__titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
}

.mockup__titlebar-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup__titlebar-title svg {
  color: var(--yt-red);
}

.mockup__titlebar-close {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-overlay);
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}

.mockup__player {
  aspect-ratio: 16/9;
  background: #0f0f0f;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.mockup__volume-bar {
  position: absolute;
  bottom: 8px;
  left: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 9999px;
  z-index: 3;
}

.mockup__sound-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

.mockup__sound-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mockup__volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 64px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
  outline: none;
  cursor: pointer;
}

.mockup__volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.mockup__volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: none;
  cursor: pointer;
}

.mockup__player-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.mockup__player-play {
  width: 64px;
  height: 64px;
  background: var(--yt-red);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup__controls {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup__time-row {
  display: flex;
  gap: 12px;
}

.mockup__time-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mockup__time-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.mockup__time-value {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: "SF Mono", "Fira Code", monospace;
  text-align: center;
}

.mockup__time-value--filled {
  border-color: var(--accent);
  color: var(--accent);
}

.mockup__btn-row {
  display: flex;
  gap: 8px;
}

.mockup__btn {
  flex: 1;
  padding: 10px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  cursor: default;
}

.mockup__btn--clip {
  background: var(--yt-red);
  border-color: var(--yt-red);
  color: #fff;
  box-shadow: 0 0 20px var(--yt-red-glow);
}

/* 3D tilt on mockup */
.mockup {
  perspective: 800px;
}

.mockup__window {
  transition: transform 0.15s ease-out;
  transform-style: preserve-3d;
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

/* connecting line */
.steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: calc(16.66% + 40px);
  right: calc(16.66% + 40px);
  height: 2px;
  background: linear-gradient(90deg, var(--border-color), var(--accent), var(--border-color));
  opacity: 0.5;
}

.step {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  position: relative;
}

.step__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  position: relative;
  z-index: 1;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.step:hover .step__icon {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
}

.step__number {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.step__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 280px;
  line-height: 1.5;
}

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

.feature {
  padding: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.feature:hover {
  border-color: var(--accent);
  box-shadow: 0 0 32px var(--accent-glow);
  transform: translateY(-2px);
}

.feature__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.feature__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.cta-section .section-title {
  margin-bottom: 0;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
}

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

.footer__brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.footer__brand span {
  color: var(--yt-red);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero__content {
    align-items: center;
  }

  .hero__actions {
    justify-content: center;
  }

  .subheadline {
    margin: 0 auto;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .steps::before {
    display: none;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .mockup__time-row {
    flex-direction: column;
  }
}