/* ════════════════════════════════════════════
   TWEAKIFY — Landing Page Stylesheet
   Theme: Dark Cyberpunk · Cyan Accent
   ════════════════════════════════════════════ */

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

:root {
  --accent:    #00d4ff;
  --green:     #00ff88;
  --orange:    #ff8c00;
  --red:       #ff4444;
  --purple:    #a855f7;
  --bg-deep:   #0a0a0f;
  --bg-mid:    #12121a;
  --bg-card:   #1a1a2e;
  --bg-card2:  #16213e;
  --text:      #e8e8f0;
  --text-dim:  #7878a0;
  --border:    rgba(0, 212, 255, 0.15);
  --glow:      rgba(0, 212, 255, 0.25);
  --font-mono: 'Share Tech Mono', monospace;
  --font-main: 'Outfit', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-main);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Canvas Background ── */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── Noise Overlay ── */
.noise-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ── Utility ── */
.accent-text { color: var(--accent); }
a { text-decoration: none; color: inherit; }

/* ════════════════════ NAVBAR ════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

#navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}
.logo-icon { color: var(--accent); font-size: 1.2rem; }
.logo-text { color: var(--text); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-dim);
  transition: color 0.2s;
  letter-spacing: 0.03em;
}
.nav-links a:hover { color: var(--accent); }

.nav-cta {
  padding: 0.5rem 1.25rem !important;
  background: var(--accent) !important;
  color: var(--bg-deep) !important;
  border-radius: 6px;
  font-weight: 700;
  transition: all 0.2s !important;
}
.nav-cta:hover {
  background: #33dcff !important;
  box-shadow: 0 0 20px var(--glow) !important;
  transform: translateY(-1px);
}

/* ── Font Awesome icon tweaks ── */
.cl-accent { color: var(--accent); margin-right: 0.4rem; }
.cl-green  { color: var(--green);  margin-right: 0.4rem; }
.oss-check { color: var(--green); font-size: 1rem; }
.feat-icon i { font-size: inherit; }
.btn-icon { font-size: 0.9rem; }
.dl-icon  { font-size: 1.8rem; flex-shrink: 0; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 70px; left: 0; right: 0;
  z-index: 999;
  background: rgba(12, 12, 20, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1rem 2rem;
  gap: 1rem;
  transform: translateY(-120%);
  transition: transform 0.3s ease;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-link {
  font-size: 1rem;
  color: var(--text-dim);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--accent); }
.mobile-cta {
  color: var(--accent) !important;
  font-weight: 700;
  border: none !important;
}

/* ════════════════════ BUTTONS ════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.btn-primary:hover {
  background: #33dcff;
  box-shadow: 0 0 30px rgba(0,212,255,0.5);
  transform: translateY(-2px);
}

.btn-version {
  font-size: 0.75rem;
  background: rgba(0,0,0,0.25);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 400;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s;
}
.btn-secondary:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0,212,255,0.06);
  transform: translateY(-2px);
}

.github-icon { width: 20px; height: 20px; }

/* ════════════════════ HERO ════════════════════ */
#hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 120px 8% 80px;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-content {
  flex: 1;
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(0,255,136,0.3);
  background: rgba(0,255,136,0.07);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--green);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.1s forwards;
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 4px var(--green); }
  50%       { box-shadow: 0 0 12px var(--green); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.4rem;
  letter-spacing: -0.02em;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(20px);
}
.title-line:nth-child(1) { animation: fadeUp 0.6s 0.2s forwards; }
.title-line:nth-child(2) { animation: fadeUp 0.6s 0.35s forwards; }
.title-line:nth-child(3) { animation: fadeUp 0.6s 0.5s forwards; }

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.6s 0.65s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.8s forwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s 1s forwards;
}
.stat-item {
  text-align: center;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-suffix { color: var(--accent); font-size: 1.2rem; }
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── App Mockup ── */
.hero-mockup {
  flex: 1;
  max-width: 560px;
  opacity: 0;
  animation: fadeIn 0.8s 0.4s forwards;
}

.mockup-window {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0,212,255,0.08),
    0 25px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(0,212,255,0.08);
}

.window-titlebar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: #0d0d1a;
  border-bottom: 1px solid var(--border);
}

.window-controls { display: flex; gap: 6px; }
.wc {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.wc.red    { background: #ff5f57; }
.wc.yellow { background: #ffbd2e; }
.wc.green  { background: #28c940; }

.window-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #555;
  letter-spacing: 0.02em;
}

.window-body { padding: 1rem; }

.mock-header {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem;
  background: var(--bg-card2);
  border-radius: 8px;
  margin-bottom: 1rem;
}
.mock-logo {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.mock-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #555;
}

.mock-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.mock-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 0.7rem;
}
.mock-card-title { font-size: 0.7rem; color: #777; margin-bottom: 0.4rem; }
.mock-bar { height: 4px; background: rgba(255,255,255,0.08); border-radius: 2px; margin-bottom: 0.4rem; }
.mock-bar-fill { height: 100%; border-radius: 2px; }
.mock-card-val { font-family: var(--font-mono); font-size: 0.68rem; }
.mock-card.green .mock-card-val { color: var(--green); }
.mock-card.cyan  .mock-card-val { color: var(--accent); }
.mock-card.orange .mock-card-val { color: var(--orange); }

.mock-console {
  background: #05050a;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.console-line { margin-bottom: 0.3rem; color: var(--green); }
.cl-accent { color: var(--accent); margin-right: 0.4rem; }
.cl-green  { color: var(--green); margin-right: 0.4rem; }
.cl-cyan   { color: var(--accent); }
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ════════════════════ SECTIONS SHARED ════════════════════ */
section { position: relative; z-index: 2; padding: 6rem 0; }
section:nth-child(even) { background: rgba(18, 18, 26, 0.5); }

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8%;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-align: center;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-dim);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

/* ════════════════════ FEATURES ════════════════════ */
#features .section-title,
#features .section-badge { text-align: center; display: block; margin: 0 auto 0.8rem; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 20px var(--glow);
}
.feature-card:hover::before { opacity: 1; }

.feat-icon { font-size: 2.2rem; margin-bottom: 1rem; display: block; }

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.feat-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

/* ════════════════════ HOW IT WORKS ════════════════════ */
#how-it-works .section-title,
#how-it-works .section-badge { text-align: center; display: block; margin: 0 auto 0.8rem; }

.steps-container {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.step-line {
  position: absolute;
  left: 28px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.step-item {
  display: flex;
  gap: 1.8rem;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  background: var(--bg-deep);
  box-shadow: 0 0 20px var(--glow);
  z-index: 1;
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.step-content p {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}
.step-content code {
  font-family: var(--font-mono);
  background: rgba(0,212,255,0.1);
  color: var(--accent);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-size: 0.85em;
}

/* ════════════════════ OPEN SOURCE ════════════════════ */
.oss-card {
  display: flex;
  gap: 4rem;
  align-items: center;
}
.oss-left { flex: 1; }
.oss-right { flex: 1; }

.oss-left .section-title { text-align: left; }
.oss-left .section-badge { display: inline-block; margin: 0 0 1rem; }

.oss-points {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.oss-point {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-dim);
}
.oss-point span {
  color: var(--green);
  font-weight: 700;
  font-size: 1rem;
}

/* ── Code Window ── */
.code-window {
  background: #050508;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 30px var(--glow);
}
.code-titlebar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  background: #0a0a0f;
  border-bottom: 1px solid var(--border);
}
.code-body { padding: 1.5rem; }
.code-body pre { overflow-x: auto; }
.code-body code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--text-dim);
}
.c-purple { color: #c792ea; }
.c-cyan   { color: var(--accent); }
.c-gray   { color: #546e7a; }
.c-green  { color: var(--green); }
.c-orange { color: var(--orange); }
.c-comment { color: #546e7a; }

/* ════════════════════ DOWNLOAD ════════════════════ */
#download { overflow: hidden; }
#download .section-title,
#download .section-badge { text-align: center; display: block; margin: 0 auto 0.8rem; }

.download-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4rem 3rem;
  text-align: center;
  overflow: hidden;
}

.download-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.download-box {
  max-width: 520px;
  margin: 2rem auto 0;
}

.download-meta {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
  margin-bottom: 1.5rem;
}

.dl-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
}
.dl-info-row:last-child { border-bottom: none; }
.dl-label { color: var(--text-dim); }
.dl-value { font-family: var(--font-mono); font-size: 0.85rem; }

.btn-download {
  display: block;
  padding: 1.1rem 2rem;
  background: linear-gradient(135deg, var(--accent), #0098cc);
  border-radius: 10px;
  color: var(--bg-deep);
  font-weight: 700;
  transition: all 0.3s;
  margin-bottom: 1rem;
  box-shadow: 0 0 30px rgba(0,212,255,0.3);
}
.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0,212,255,0.5);
}
.btn-download-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}
.dl-icon { font-size: 2rem; }
.dl-main { font-size: 1.1rem; text-align: left; }
.dl-sub  { font-size: 0.75rem; opacity: 0.7; font-weight: 400; font-family: var(--font-mono); text-align: left; }

.dl-disclaimer {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ════════════════════ FOOTER ════════════════════ */
#footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  background: rgba(10,10,15,0.8);
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8%;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.footer-desc {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-links a {
  color: var(--text-dim);
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  color: #3d3d55;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

/* ════════════════════ ANIMATIONS ════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Intersection Observer animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s, transform 0.6s;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-left  { opacity: 0; transform: translateX(-30px); transition: opacity 0.6s, transform 0.6s; }
.reveal-right { opacity: 0; transform: translateX(30px);  transition: opacity 0.6s, transform 0.6s; }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: none; }

/* ════════════════════ RESPONSIVE ════════════════════ */
@media (max-width: 1024px) {
  #hero {
    flex-direction: column;
    padding-top: 100px;
    text-align: center;
  }
  .hero-content { max-width: 100%; }
  .hero-badge { margin: 0 auto 1.5rem; }
  .hero-actions { justify-content: center; }
  .hero-stats  { justify-content: center; }
  .hero-mockup { max-width: 560px; width: 100%; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .oss-card { flex-direction: column; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .mock-cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  #hero { padding: 90px 5% 60px; }
  .section-container { padding: 0 5%; }
  .download-card { padding: 2.5rem 1.5rem; }
}