/* PictureProof — Landing page styles. Steel blue + silver palette. Mobile-first. */
:root {
  --steel: #3B82C4;        /* primary steel blue */
  --steel-dark: #2563A8;
  --steel-light: #EFF6FF;
  --steel-mid: #93C5FD;
  --silver: #CBD5E1;       /* silver from logo */
  --silver-light: #F8FAFC;
  --slate: #1E293B;
  --slate-mid: #475569;
  --slate-light: #94A3B8;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --success: #10B981;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.15);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--white);
  color: var(--slate);
  line-height: 1.6;
}

/* ── Container ── */
.lp-container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

/* ── Shared section styles ── */
.lp-section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--slate);
  text-align: center;
  margin-bottom: .75rem;
  letter-spacing: -.02em;
}
.lp-section-sub {
  text-align: center;
  color: var(--slate-mid);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

/* ── Buttons ── */
.lp-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: .95rem; font-weight: 600;
  border: none; cursor: pointer;
  text-decoration: none;
  transition: all .18s;
  white-space: nowrap;
}
.lp-btn-primary {
  background: var(--steel); color: var(--white);
  box-shadow: 0 2px 8px rgba(59,130,196,.35);
}
.lp-btn-primary:hover { background: var(--steel-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(59,130,196,.45); }

.lp-btn-secondary {
  background: var(--white); color: var(--steel);
  border: 2px solid var(--steel);
}
.lp-btn-secondary:hover { background: var(--steel-light); }

.lp-btn-ghost { background: transparent; color: var(--slate-mid); }
.lp-btn-ghost:hover { color: var(--slate); }

.lp-btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }
.lp-btn-full { width: 100%; text-align: center; }

/* ── Header ── */
.lp-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.lp-header .lp-container {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.lp-logo { display: flex; align-items: center; text-decoration: none; }
.lp-logo-img { height: 80px; width: auto; object-fit: contain; }

.lp-nav { display: flex; align-items: center; gap: 1.5rem; }
.lp-nav-link { color: var(--slate-mid); text-decoration: none; font-size: .95rem; font-weight: 500; transition: color .15s; }
.lp-nav-link:hover { color: var(--steel); }

.lp-menu-btn { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--slate); padding: .5rem; }

.lp-mobile-menu {
  display: none; flex-direction: column; gap: .25rem;
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.lp-mobile-menu.open { display: flex; }
.lp-mobile-menu a {
  padding: .75rem .5rem; color: var(--slate); text-decoration: none;
  font-size: 1rem; font-weight: 500; border-radius: var(--radius-sm);
}
.lp-mobile-menu a:hover { background: var(--silver-light); }

/* ── Hero ── */
.lp-hero {
  background: linear-gradient(160deg, #EFF6FF 0%, #F8FAFC 50%, #FFFFFF 100%);
  padding: 5rem 0 4rem;
}
.lp-hero-inner { text-align: center; max-width: 760px; margin: 0 auto; }

.lp-hero-badge {
  display: inline-flex; align-items: center;
  background: var(--steel-light); color: var(--steel-dark);
  border: 1px solid var(--steel-mid);
  border-radius: 999px; padding: .4rem 1rem;
  font-size: .85rem; font-weight: 600;
  margin-bottom: 1.5rem;
}

.lp-hero-h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  color: var(--slate);
  margin-bottom: 1.25rem;
}

.lp-hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--slate-mid);
  max-width: 600px; margin: 0 auto 2rem;
  line-height: 1.65;
}

.lp-hero-ctas { margin-bottom: 2rem; }
.lp-hero-fine { margin-top: .75rem; font-size: .85rem; color: var(--slate-light); }

.lp-hero-proof {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem;
}
.lp-proof-chip {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 999px; padding: .4rem .9rem;
  font-size: .82rem; color: var(--slate-mid); font-weight: 500;
  box-shadow: var(--shadow);
}

/* ── Trust strip ── */
.lp-trust-strip {
  background: var(--slate); color: rgba(255,255,255,.7);
  padding: .9rem 0;
}
.lp-trust-inner {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: .5rem .75rem;
  font-size: .9rem;
}
.lp-trust-inner strong { color: var(--white); font-weight: 600; }

/* ── Use cases ── */
.lp-usecases { padding: 5rem 0; background: var(--white); }
.lp-usecase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.lp-usecase-card {
  background: var(--silver-light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.lp-usecase-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.lp-usecase-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.lp-usecase-label {
  display: inline-block; background: var(--steel-light); color: var(--steel-dark);
  border-radius: 999px; padding: .25rem .75rem; font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: .75rem;
}
.lp-usecase-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem; font-weight: 700; margin-bottom: .75rem; color: var(--slate);
}
.lp-usecase-card p { color: var(--slate-mid); font-size: .95rem; margin-bottom: 1rem; line-height: 1.6; }
.lp-usecase-list { list-style: none; }
.lp-usecase-list li { font-size: .9rem; color: var(--slate-mid); padding: .2rem 0; }

.lp-usecase-renter { border-left: 4px solid var(--steel); }
.lp-usecase-landlord { border-left: 4px solid #8B5CF6; }
.lp-usecase-host { border-left: 4px solid var(--success); }

/* ── How it works ── */
.lp-hiw {
  background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
  padding: 5rem 0;
}
.lp-steps {
  display: flex; align-items: flex-start; gap: 1rem;
  flex-wrap: wrap; justify-content: center;
}
.lp-step {
  flex: 1; min-width: 220px; max-width: 280px;
  text-align: center; padding: 2rem 1.5rem;
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.lp-step-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--steel); color: var(--white);
  font-weight: 800; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .75rem;
  font-family: 'Space Grotesk', sans-serif;
}
.lp-step-icon { font-size: 2rem; margin-bottom: .75rem; }
.lp-step h3 { font-weight: 700; font-size: 1.05rem; margin-bottom: .5rem; }
.lp-step p { color: var(--slate-mid); font-size: .9rem; line-height: 1.55; }
.lp-step-arrow {
  font-size: 1.5rem; color: var(--steel-mid); align-self: center;
  font-weight: 700; flex-shrink: 0;
}

/* ── SHA-256 explainer ── */
.lp-sha { padding: 5rem 0; background: var(--slate); }
.lp-sha-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}
.lp-sha-code {
  background: #0f172a; border-radius: var(--radius);
  padding: 2rem; font-family: 'SF Mono', 'Fira Code', monospace;
  border: 1px solid rgba(255,255,255,.1);
}
.lp-sha-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--steel-mid); margin-bottom: .75rem; }
.lp-sha-hash {
  font-size: 1.15rem; color: var(--steel-mid); word-break: break-all;
  line-height: 1.8; font-weight: 600;
}
.lp-sha-caption { font-size: .8rem; color: rgba(255,255,255,.4); margin-top: 1rem; font-family: 'DM Sans', sans-serif; }
.lp-sha-text { color: rgba(255,255,255,.9); }
.lp-sha-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700; margin-bottom: 1rem; color: var(--white);
}
.lp-sha-text p { color: rgba(255,255,255,.75); margin-bottom: 1rem; line-height: 1.7; font-size: .95rem; }
.lp-sha-text strong { color: var(--white); }
.lp-sha-text .lp-btn-secondary { border-color: rgba(255,255,255,.3); color: var(--white); background: rgba(255,255,255,.08); }
.lp-sha-text .lp-btn-secondary:hover { background: rgba(255,255,255,.15); }

/* ── Features grid ── */
.lp-features { padding: 5rem 0; background: var(--white); }
.lp-features-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 1.5rem;
}
.lp-feature {
  padding: 1.5rem; background: var(--silver-light);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.lp-feature-icon { font-size: 1.75rem; display: block; margin-bottom: .75rem; }
.lp-feature h3 { font-weight: 700; font-size: 1rem; margin-bottom: .4rem; }
.lp-feature p { font-size: .9rem; color: var(--slate-mid); line-height: 1.55; }

/* ── Pricing ── */
.lp-pricing { padding: 5rem 0; background: linear-gradient(180deg, #EFF6FF 0%, #F8FAFC 100%); }
.lp-pricing-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 1.5rem; max-width: 900px; margin: 0 auto;
}
.lp-plan {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  position: relative; transition: box-shadow .2s;
}
.lp-plan:hover { box-shadow: var(--shadow-md); }
.lp-plan-premium {
  border-color: var(--steel);
  box-shadow: 0 0 0 3px rgba(59,130,196,.12);
}
.lp-plan-badge {
  display: inline-block; background: var(--steel); color: var(--white);
  font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; padding: .25rem .75rem;
  border-radius: 999px; margin-bottom: 1rem;
}
.lp-plan-name { font-weight: 700; font-size: 1.15rem; color: var(--slate); margin-bottom: .25rem; }
.lp-plan-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem; font-weight: 800; color: var(--steel);
  letter-spacing: -.03em; margin-bottom: .25rem;
}
.lp-plan-price span { font-size: 1rem; font-weight: 500; color: var(--slate-mid); }
.lp-plan-desc { font-size: .9rem; color: var(--slate-mid); margin-bottom: 1.5rem; }
.lp-plan-features { list-style: none; margin-bottom: 1.75rem; }
.lp-plan-features li { padding: .4rem 0; font-size: .9rem; color: var(--slate-mid); border-bottom: 1px solid var(--border); }
.lp-plan-features li:last-child { border-bottom: none; }

/* ── CTA section ── */
.lp-cta {
  background: linear-gradient(135deg, var(--steel) 0%, var(--steel-dark) 100%);
  padding: 5rem 0;
}
.lp-cta-inner { text-align: center; }
.lp-cta-logo { height: 160px; width: auto; margin-bottom: 1.5rem; }
.lp-cta h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 800;
  color: var(--white); margin-bottom: .75rem;
}
.lp-cta p { color: rgba(255,255,255,.8); margin-bottom: 2rem; font-size: 1.05rem; }
.lp-cta .lp-btn-primary {
  background: var(--white); color: var(--steel-dark);
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}
.lp-cta .lp-btn-primary:hover { background: var(--silver-light); transform: translateY(-2px); }

/* ── Footer ── */
.lp-footer { background: var(--slate); padding: 3rem 0 2rem; }
.lp-footer-inner {
  display: flex; flex-direction: column; gap: 2rem;
  align-items: center; text-align: center;
}
.lp-footer-brand { max-width: 300px; }
.lp-footer-logo { height: 60px; width: auto; margin-bottom: .75rem; }
.lp-footer-brand p { color: rgba(255,255,255,.5); font-size: .9rem; }
.lp-footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.lp-footer-links a { color: rgba(255,255,255,.6); text-decoration: none; font-size: .9rem; transition: color .15s; }
.lp-footer-links a:hover { color: var(--white); }
.lp-footer-legal { color: rgba(255,255,255,.3); font-size: .8rem; }

/* ── Responsive ── */
@media (min-width: 640px) {
  .lp-usecase-grid { grid-template-columns: 1fr; }
  .lp-features-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .lp-sha-inner { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .lp-usecase-grid { grid-template-columns: repeat(3, 1fr); }
  .lp-menu-btn { display: none; }
  .lp-nav { display: flex; }
  .lp-footer-inner { flex-direction: row; justify-content: space-between; text-align: left; align-items: flex-start; }
  .lp-footer-brand { max-width: 250px; }
}

@media (max-width: 767px) {
  .lp-nav { display: none; }
  .lp-menu-btn { display: block; }
  .lp-step-arrow { display: none; }
  .lp-pricing-grid { grid-template-columns: 1fr; }
}

@media (min-width: 1024px) {
  .lp-features-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
  .lp-logo-img { height: 120px; }
  .lp-header .lp-container { height: 100px; }
}