/* ========================================================================
   Taskify Landing — shared styles
   Pure CSS, no framework. Mobile-first. Dark mode via prefers-color-scheme.
   ======================================================================== */

:root {
  --color-primary: #4F46E5;
  --color-primary-dark: #4338CA;
  --color-primary-light: #EEF2FF;
  --color-accent: #06B6D4;
  --color-text: #0F172A;
  --color-text-muted: #64748B;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.06);
  --container: 1140px;
  --transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #F1F5F9;
    --color-text-muted: #94A3B8;
    --color-bg: #0F172A;
    --color-bg-alt: #1E293B;
    --color-border: #334155;
    --color-primary-light: #1E1B4B;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  }
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

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

/* ============== HEADER ============== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(15, 23, 42, 0.85); }
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.brand:hover { color: var(--color-primary); }
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-weight: 900;
  font-size: 18px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 15px;
}
.nav a:hover { color: var(--color-text); }
@media (max-width: 768px) {
  .nav { gap: 16px; }
  .nav a { font-size: 14px; }
  .nav .nav-secondary { display: none; }
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-store {
  padding: 10px 20px 10px 14px;
  font-size: 14px;
}

/* ============== HERO ============== */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero { padding: 56px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}
.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 20px;
}
h1 .gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  font-size: 19px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-text-muted);
}
.hero-meta span::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  margin-right: 6px;
}

/* ============== PHONE MOCKUP ============== */
.phone {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 9 / 19;
  margin: 0 auto;
  background: linear-gradient(135deg, #1E293B, #0F172A);
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 23, 42, 0.1);
}
.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  padding: 30px 16px 16px;
  color: #fff;
}
.phone-screen::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 22px;
  background: #0F172A;
  border-radius: 0 0 14px 14px;
}
.phone-time {
  font-size: 11px;
  font-weight: 700;
  padding-left: 8px;
  margin-bottom: 16px;
  opacity: 0.9;
}
.phone-card {
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.phone-card-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}
.phone-card-meta {
  font-size: 11px;
  opacity: 0.85;
}
.phone-card.done { opacity: 0.55; }
.phone-card.done .phone-card-title { text-decoration: line-through; }

/* ============== SECTIONS ============== */
section {
  padding: 80px 0;
}
section.alt {
  background: var(--color-bg-alt);
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 18px;
  color: var(--color-text-muted);
}

/* ============== BENEFITS GRID ============== */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 800px) {
  .benefits { grid-template-columns: 1fr; }
}
.benefit {
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.benefit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.benefit-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 24px;
}
.benefit h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.benefit p {
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ============== FEATURES LIST ============== */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 700px) {
  .features { grid-template-columns: 1fr; }
}
.feature-item {
  display: flex;
  gap: 14px;
  padding: 20px 22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.feature-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-success);
  color: #fff;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
}
.feature-item h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.feature-item p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============== COMPARISON TABLE ============== */
.compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.compare th, .compare td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.compare thead th {
  background: var(--color-bg-alt);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.compare th:first-child, .compare td:first-child {
  font-weight: 600;
}
.compare .taskify-col {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
}
.compare tbody tr:last-child td { border-bottom: none; }
.yes { color: var(--color-success); font-weight: 700; }
.no { color: var(--color-text-muted); }
.partial { color: var(--color-warning); font-weight: 600; }

/* ============== FAQ ============== */
.faq {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  font-size: 17px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--color-text);
  font-family: inherit;
}
.faq-question::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--color-primary);
  transition: var(--transition);
}
.faq-item.open .faq-question::after { content: "−"; }
.faq-answer {
  display: none;
  padding-bottom: 24px;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.65;
}
.faq-item.open .faq-answer { display: block; }

/* ============== CTA SECTION ============== */
.cta-block {
  text-align: center;
  padding: 56px 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-lg);
  color: #fff;
}
.cta-block h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: #fff;
}
.cta-block p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-block .btn {
  background: #fff;
  color: var(--color-primary);
}
.cta-block .btn:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

/* ============== FOOTER ============== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  background: var(--color-bg-alt);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
}
.footer-col h5 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--color-text);
  font-size: 14px;
}
.footer-col a:hover { color: var(--color-primary); }
.footer-brand p {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-top: 12px;
  max-width: 320px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============== /vs/ PAGES ============== */
.vs-hero {
  padding: 80px 0 60px;
  text-align: center;
}
.vs-hero h1 {
  margin-bottom: 16px;
}
.vs-hero .lead {
  font-size: 19px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 32px;
}
.vs-pills {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--color-bg-alt);
  border-radius: 999px;
  padding: 8px;
  font-weight: 600;
}
.vs-pill {
  padding: 8px 18px;
  background: var(--color-bg);
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}
.vs-pill.primary { background: var(--color-primary); color: #fff; }
.vs-pill .small { font-size: 12px; color: var(--color-text-muted); font-weight: 400; }
.vs-pill.primary .small { color: rgba(255,255,255,0.8); }

.verdict-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}
@media (max-width: 700px) {
  .verdict-grid { grid-template-columns: 1fr; }
}
.verdict-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.verdict-card.taskify { border-color: var(--color-primary); background: var(--color-primary-light); }
.verdict-card h3 {
  font-size: 22px;
  margin-bottom: 8px;
}
.verdict-card .subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.verdict-list { list-style: none; }
.verdict-list li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  font-size: 15px;
}
.verdict-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.honest-callout {
  background: #FEF3C7;
  border-left: 4px solid var(--color-warning);
  padding: 20px 24px;
  border-radius: 8px;
  margin: 32px 0;
  color: #78350F;
  font-size: 15px;
  line-height: 1.6;
}
@media (prefers-color-scheme: dark) {
  .honest-callout {
    background: rgba(245, 158, 11, 0.15);
    color: #FCD34D;
  }
}
.honest-callout strong { display: block; margin-bottom: 6px; }

/* ============== LEGAL PAGES (privacy, terms) ============== */
.legal {
  max-width: 800px;
  margin: 60px auto;
  padding: 0 24px;
}
.legal h1 { font-size: 36px; margin-bottom: 12px; }
.legal .meta { color: var(--color-text-muted); margin-bottom: 32px; font-size: 14px; }
.legal h2 { font-size: 22px; margin: 32px 0 14px; line-height: 1.3; }
.legal h3 { font-size: 18px; margin: 24px 0 10px; }
.legal p, .legal li { font-size: 16px; line-height: 1.7; margin-bottom: 14px; color: var(--color-text); }
.legal ul, .legal ol { padding-left: 24px; margin-bottom: 14px; }