/* =====================================================================
   Lincoo marketing site — shared styles (LP, Privacy, Terms)
   No build step. Plain CSS. ASCII / hex colors only.
   ===================================================================== */

:root {
  /* ---- Brand primary (vibrant indigo) ---- */
  --color-brand: #6366F1;
  --color-brand-dark: #4F46E5;
  --color-brand-light: #A5B4FC;

  /* ---- Sticky note demo colors (Lincoo's signature) ---- */
  --color-sticky-yellow: #FCD34D;
  --color-sticky-pink: #F472B6;
  --color-sticky-mint: #6EE7B7;
  --color-sticky-sky: #7DD3FC;
  --color-sticky-lavender: #C4B5FD;
  --color-sticky-peach: #FDBA74;

  /* ---- Accent colors ---- */
  --color-accent-pink: #EC4899;
  --color-accent-orange: #F59E0B;
  --color-accent-cyan: #06B6D4;
  --color-accent-emerald: #10B981;

  /* ---- Neutral ---- */
  --color-text: #0F172A;
  --color-text-muted: #475569;
  --color-bg: #FFFFFF;
  --color-bg-soft: #FAF5FF;
  --color-bg-card: #FFFFFF;
  --color-border: #E2E8F0;

  /* ---- Gradients ---- */
  --gradient-brand: linear-gradient(135deg, #6366F1 0%, #EC4899 100%);
  --gradient-warm:  linear-gradient(135deg, #F59E0B 0%, #EC4899 100%);
  --gradient-cool:  linear-gradient(135deg, #06B6D4 0%, #6366F1 100%);
  --gradient-soft:  linear-gradient(180deg, #FAF5FF 0%, #FFFFFF 100%);

  /* ---- Typography ---- */
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;
}

/* ===== Reset & base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  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-brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem);   font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem;                   font-weight: 700; line-height: 1.3; }

/* ===== Layout helpers ===== */
.section-title  { text-align: center; margin-bottom: 3rem; }
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--color-brand);
  border: 2px solid var(--color-brand);
}
.btn-ghost:hover {
  background: var(--color-brand);
  color: #ffffff;
}
.btn-large { font-size: 1.125rem; padding: 1.125rem 2.25rem; }

/* ===== Navigation ===== */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}
.nav-logo:hover { text-decoration: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a:not(.btn) {
  color: var(--color-text-muted);
  font-weight: 500;
}
.nav-links a:not(.btn):hover {
  color: var(--color-brand);
  text-decoration: none;
}

/* ===== Hero ===== */
.hero {
  padding: 6rem 1.5rem 8rem;
  background: var(--gradient-soft);
  text-align: center;
  overflow: hidden;
}
.hero-inner { max-width: 900px; margin: 0 auto; }
.hero-badge {
  display: inline-block;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-brand);
  margin-bottom: 2rem;
}
.hero-highlight {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin: 1.5rem auto 2.5rem;
  max-width: 700px;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Sticker decorations (hero) ===== */
.hero-stickers {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}
.sticker {
  background: var(--bg, var(--color-sticky-yellow));
  padding: 1rem 1.25rem;
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  transform: rotate(var(--rot, 0deg));
  font-size: 0.95rem;
  width: 200px;
  text-align: left;
  color: #0F172A;
  transition: transform 0.2s ease;
}
.sticker:hover { transform: rotate(var(--rot, 0deg)) translateY(-4px); }
.sticker-yellow { background: var(--color-sticky-yellow); }
.sticker-pink   { background: var(--color-sticky-pink);   }
.sticker-mint   { background: var(--color-sticky-mint);   }
.sticker strong { display: block; margin-bottom: 0.25rem; }

/* ===== Features ===== */
.features { padding: 6rem 1.5rem; background: #ffffff; }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: #ffffff;
  border: 2px solid var(--color-border);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent, var(--color-brand));
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-card h3 { margin-bottom: 0.5rem; }
.feature-card p  { color: var(--color-text-muted); }

/* ===== How it works ===== */
.how { padding: 6rem 1.5rem; background: var(--color-bg-soft); }
.how-inner { max-width: 1200px; margin: 0 auto; }
.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.how-step {
  background: #ffffff;
  padding: 2rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.how-step-num {
  display: inline-flex;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.5rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.how-step h3 { margin-bottom: 0.5rem; }
.how-step p  { color: var(--color-text-muted); }

/* ===== Use cases ===== */
.usecases { padding: 6rem 1.5rem; background: #ffffff; }
.usecases-inner { max-width: 1200px; margin: 0 auto; }
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.usecase { padding: 1.5rem; }
.usecase-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}
.usecase h3 { margin-bottom: 0.5rem; }
.usecase p  { color: var(--color-text-muted); font-size: 0.95rem; }

/* ===== Pricing ===== */
.pricing {
  padding: 6rem 1.5rem;
  background: var(--gradient-soft);
  text-align: center;
}
.pricing-inner { max-width: 700px; margin: 0 auto; }
.pricing-sub {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 1.5rem 0 2.5rem;
}

/* ===== Final CTA ===== */
.final-cta {
  padding: 6rem 1.5rem;
  background: var(--gradient-brand);
  color: #ffffff;
  text-align: center;
}
.final-cta-inner { max-width: 800px; margin: 0 auto; }
.final-cta h2 { color: #ffffff; margin-bottom: 2rem; }
.final-cta .btn-primary {
  background: #ffffff;
  color: var(--color-brand);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}
.final-cta .btn-primary:hover {
  background: var(--color-bg-soft);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}
.final-cta-sub { margin-top: 1.5rem; opacity: 0.9; }

/* ===== Footer ===== */
.footer {
  padding: 3rem 1.5rem;
  background: var(--color-text);
  color: #ffffff;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: #ffffff;
}
.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}
.footer-links a:hover {
  color: #ffffff;
  text-decoration: none;
}
.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .nav-links a:not(.btn) { display: none; }
  .hero { padding: 4rem 1.5rem 6rem; }
  .features, .how, .usecases, .pricing, .final-cta { padding: 4rem 1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ===== Legal pages (Privacy, Terms) ===== */
.legal-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.legal-page h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
.legal-page .legal-meta {
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}
.legal-page h2 { font-size: 1.5rem;   margin: 2.5rem 0 1rem; }
.legal-page h3 { font-size: 1.125rem; margin: 1.5rem 0 0.75rem; }
.legal-page p,
.legal-page li {
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.7;
}
.legal-page ul,
.legal-page ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.legal-page a { text-decoration: underline; }