/* =================== RESET & BASE =================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0b;
  --surface: #131316;
  --surface-2: #1c1c20;
  --border: rgba(255,255,255,0.07);
  --fg: #f0f0f0;
  --fg-2: #8a8a96;
  --fg-3: #5a5a66;
  --accent: #FF8C00;
  --accent-dim: rgba(255,140,0,0.12);
  --ai-color: #00C896;
  --high: #ff4d4d;
  --medium: #ffaa00;
  --low: #4d9fff;
  --done: #4d9fff;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #fff; }

/* =================== NAV =================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 48px;
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--fg-2);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--fg); }

/* =================== HERO =================== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 100px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,140,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,140,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 0%, transparent 100%);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,140,0,0.2);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero-accent {
  color: var(--accent);
}

.hero-lede {
  font-size: 1.125rem;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 48px;
  font-weight: 400;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* =================== TASK BOARD =================== */
.hero-visual {
  display: flex;
  justify-content: center;
}

.task-board {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4);
}

.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg-2);
}

.board-badge {
  background: rgba(0,200,150,0.12);
  color: var(--ai-color);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.board-columns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.board-col { display: flex; flex-direction: column; gap: 8px; }

.col-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.task-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.task-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.task-dots {
  display: flex;
  gap: 3px;
  margin-bottom: 8px;
}

.task-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-3);
}

.dot-ai { background: var(--ai-color) !important; }

.task-card p {
  font-size: 0.7rem;
  color: var(--fg);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 8px;
}

.task-tag {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  display: inline-block;
}

.tag-high { background: rgba(255,77,77,0.12); color: var(--high); }
.tag-medium { background: rgba(255,170,0,0.12); color: var(--medium); }
.tag-low { background: rgba(77,159,255,0.12); color: var(--low); }
.tag-done { background: rgba(77,159,255,0.12); color: var(--done); }

.task-done { opacity: 0.5; }

.ai-card { border-color: rgba(0,200,150,0.2); }

.ai-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--ai-color);
  background: rgba(0,200,150,0.08);
  padding: 1px 6px;
  border-radius: 4px;
  margin-top: 4px;
}

/* =================== FEATURES =================== */
.features {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-primary {
  grid-column: 1;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255,140,0,0.04) 100%);
  border-color: rgba(255,140,0,0.12);
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--fg-2);
  line-height: 1.65;
  margin-bottom: 24px;
}

/* Priority bar visual */
.priority-bar { margin-top: 0; }
.p-bar-label {
  font-size: 0.7rem;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 600;
}
.p-bar-track {
  display: flex;
  gap: 6px;
}
.p-bar-fill {
  height: 8px;
  border-radius: 4px;
  flex: 1;
}
.p-high { background: var(--high); }
.p-medium { background: var(--medium); }
.p-low { background: var(--low); }

/* =================== HOW IT WORKS =================== */
.how-it-works {
  padding: 80px 48px;
  max-width: 900px;
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  position: relative;
}

.step {
  padding: 0 32px;
  position: relative;
}

.step:first-child { padding-left: 0; }
.step:last-child { padding-right: 0; }

.step-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(255,140,0,0.15);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 16px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.step-content p {
  font-size: 0.85rem;
  color: var(--fg-2);
  line-height: 1.6;
}

.step-connector {
  position: absolute;
  top: 24px;
  right: 0;
  width: 32px;
  height: 1px;
  background: var(--border);
}

/* =================== CLOSING =================== */
.closing {
  padding: 120px 48px;
  background: linear-gradient(180deg, transparent 0%, rgba(255,140,0,0.03) 50%, transparent 100%);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto;
}

/* =================== FOOTER =================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--fg-2);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-3);
  margin-top: 4px;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding: 60px 24px 60px; }
  .hero-visual { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .nav { padding: 0 24px; }
  .features, .how-it-works { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .hero-stat-divider { display: none; }
  .section-title br { display: none; }
}