/* Cleared. — production front-end styles
   Mobile-first. Desktop is the scale-up. */

:root {
  --bg-primary: #F5F2EC;
  --bg-secondary: #EBE6DC;
  --ink-primary: #1F2A24;
  --ink-secondary: #5A6660;
  --accent-primary: #2E3F35;
  --accent-warm: #A07842;
  --line: #D9D2C4;

  --font-display: 'Cormorant Garamond', 'GT Sectra', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --max-w: 1280px;
  --pad-x-m: 24px;
  --pad-x-d: 64px;
  --section-m: 72px;
  --section-d: 112px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg-primary);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }

/* Paper grain overlay applied to <body>. */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.12  0 0 0 0 0.16  0 0 0 0 0.14  0 0 0 0.045 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
  mix-blend-mode: multiply;
  opacity: 0.55;
  pointer-events: none;
  z-index: 1;
}
body > * { position: relative; z-index: 2; }

/* ─── Type ─── */
.wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.015em;
  display: inline-flex; align-items: baseline;
  text-decoration: none;
  color: var(--ink-primary);
}
.wordmark .dot { margin-left: -0.06em; }

.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.012em;
  line-height: 1.08;
  margin: 0;
}

.smallcaps {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-secondary);
}

/* ─── Buttons ─── */
.btn {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  border: none;
  border-radius: 999px;
  padding: 14px 26px;
  min-height: 44px;
  cursor: pointer;
  transition: opacity 200ms ease, border-color 200ms ease, color 200ms ease;
}
.btn-primary { background: var(--accent-primary); color: var(--bg-primary); }
.btn-primary:hover { opacity: 0.86; }
.btn-ghost {
  background: transparent; color: var(--ink-primary);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink-primary); }
.btn-on-dark { background: var(--bg-primary); color: var(--accent-primary); }
.btn-on-dark:hover { opacity: 0.92; }

.text-link {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-primary);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  text-decoration: none;
}
.text-link:hover { border-color: var(--ink-primary); }

/* ─── Top nav ─── */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--pad-x-m);
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background 240ms ease, border-color 240ms ease, backdrop-filter 240ms ease;
}
.nav.scrolled {
  background: rgba(245,242,236,0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--line);
}
.nav-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 0;
}
.nav .wordmark { font-size: 20px; }
.maker-mark {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink-secondary);
  white-space: nowrap;
}
.nav-links { display: none; }
.nav-cta {
  font-size: 13px; font-weight: 500;
  background: var(--accent-primary); color: var(--bg-primary);
  border: none; border-radius: 999px;
  padding: 10px 18px; cursor: pointer; min-height: 40px;
  font-family: var(--font-body);
  position: relative;
}
.nav-cta::after {
  content: ""; position: absolute;
  left: 18px; right: 18px; bottom: 4px;
  height: 1px; background: var(--accent-warm);
  transform: scaleX(0); transform-origin: left;
  transition: transform 240ms ease;
}
.nav-cta:hover::after { transform: scaleX(1); }

/* ─── Hero ─── */
.hero {
  padding: 56px var(--pad-x-m) 64px;
}
.hero h1 {
  font-size: 38px;
  margin: 0 0 20px;
}
.hero p {
  font-size: 16px;
  color: var(--ink-secondary);
  max-width: 320px;
  margin: 0 0 28px;
}
.hero-cta-row {
  display: flex; flex-direction: column; align-items: flex-start; gap: 18px;
}
.hero-img {
  margin-top: 40px;
  width: 100%;
  height: 320px;
  border-radius: 2px;
  object-fit: cover;
  display: block;
}

/* ─── Section base ─── */
.section {
  padding: var(--section-m) var(--pad-x-m);
  border-top: 1px solid var(--line);
}
.section-eyebrow { margin-bottom: 16px; }
.section h2 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.012em;
  line-height: 1.1;
  font-size: 28px;
  margin: 0 0 32px;
  max-width: 720px;
}

/* Value props */
.value-props { display: grid; grid-template-columns: 1fr; gap: 48px; }
.vp-icon { color: var(--ink-primary); margin-bottom: 18px; }
.vp h3 {
  font-family: var(--font-display);
  font-weight: 400; font-size: 22px; line-height: 1.18;
  margin: 0 0 10px; letter-spacing: -0.01em;
}
.vp p { margin: 0; color: var(--ink-secondary); font-size: 15px; max-width: 360px; }

/* How it works */
.how { background: var(--bg-secondary); }
.how-steps { display: grid; grid-template-columns: 1fr; gap: 40px; }
.step { padding-top: 24px; border-top: 1px solid var(--line); }
.step-num {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 32px;
  color: var(--accent-warm);
  letter-spacing: -0.005em;
  margin-bottom: 12px;
}
.step h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 22px; margin: 0 0 10px;
}
.step p { margin: 0; color: var(--ink-secondary); font-size: 15px; }

/* Demo video */
.video-section { background: var(--bg-primary); }
.video-frame {
  width: 100%;
  max-width: 880px;
  margin: 0;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-primary);
  box-shadow: 0 1px 24px rgba(31, 42, 36, 0.07);
}
.demo-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: var(--ink-primary);
}

/* Donations */
.donations-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
.partners { display: grid; grid-template-columns: 1fr 1fr; }
.partner {
  padding: 20px 8px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display); font-style: italic;
  font-size: 16px; color: var(--ink-secondary);
  filter: grayscale(1);
}
.partner:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }

/* Service area */
.service { background: var(--bg-secondary); }
.hoods {
  display: grid; grid-template-columns: 1fr 1fr;
  column-gap: 24px;
}
.hood {
  font-family: var(--font-display);
  font-size: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.hood:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }

/* Testimonials */
.quotes { display: grid; grid-template-columns: 1fr; gap: 56px; }
.quote {
  font-family: var(--font-display); font-weight: 400;
  font-size: 24px; line-height: 1.22; margin: 0;
  letter-spacing: -0.005em;
}
.attr { margin-top: 24px; }

/* Final CTA */
.final-cta {
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: 80px var(--pad-x-m);
  border-top: none;
}
.final-cta h2 {
  font-size: 32px; max-width: 880px; margin: 0 0 32px;
  color: var(--bg-primary);
}

/* Footer */
.footer { padding: 48px var(--pad-x-m) 32px; background: var(--bg-primary); }
.footer-cols {
  display: grid; grid-template-columns: 1fr; gap: 24px;
  padding-bottom: 32px; border-bottom: 1px solid var(--line);
}
.footer .wordmark { font-size: 22px; }
.footer-col-label { margin-bottom: 10px; }
.footer-col-body {
  font-size: 14px; color: var(--ink-secondary); line-height: 1.7;
}
.footer-bottom {
  padding-top: 24px;
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--ink-secondary);
}

/* Mobile sticky CTA */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0;
  padding: 12px 16px;
  background: rgba(245,242,236,0.96);
  border-top: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 30;
  transform: translateY(120%);
  transition: transform 320ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta button {
  width: 100%; min-height: 48px;
  background: var(--accent-primary); color: var(--bg-primary);
  border: none; border-radius: 999px;
  font-size: 15px; font-weight: 500;
  font-family: var(--font-body);
}

/* Page bottom safety pad so sticky bar doesn't cover content */
.page-end-pad { height: 80px; }

/* ─── Reveal-on-scroll ─── */
.reveal {
  opacity: 0; transform: translateY(8px);
  transition: opacity 600ms cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 600ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ───────────── Tablet ───────────── */
@media (min-width: 768px) {
  .nav { padding: 22px 40px; }
  .nav .wordmark { font-size: 22px; }
  .maker-mark { font-size: 10px; }
  .nav-links {
    display: flex; gap: 32px;
    font-size: 14px;
  }
  .nav-links a {
    text-decoration: none; color: var(--ink-primary);
    border-bottom: 1px solid transparent; padding-bottom: 2px;
    transition: border-color 200ms ease;
  }
  .nav-links a:hover { border-color: var(--ink-primary); }

  .hero { padding: 80px 40px 96px; }
  .hero h1 { font-size: 52px; }
  .hero p { font-size: 17px; max-width: 440px; }
  .hero-cta-row { flex-direction: row; align-items: center; gap: 28px; }
  .hero-img { height: 420px; margin-top: 56px; }

  .section { padding: 96px 40px; }
  .section h2 { font-size: 36px; }
  .value-props { grid-template-columns: 1fr 1fr 1fr; gap: 48px; }
  .how-steps { grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
  .donations-grid { grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
  .hoods { grid-template-columns: 1fr 1fr 1fr 1fr; column-gap: 40px; }
  .hoods .hood:nth-last-child(-n+2) { border-bottom: none; }
  .hoods .hood:nth-last-child(-n+4) { border-bottom: 1px solid var(--line); }
  .quotes { grid-template-columns: 1fr 1fr; gap: 64px; }
  .video-frame { max-width: 920px; margin: 0 auto; }
  .footer-cols { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
  .footer { padding: 64px 40px 32px; }
  .final-cta { padding: 120px 40px; }
  .final-cta h2 { font-size: 44px; }

  /* Hero becomes 2-col */
  .hero {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  }
  .hero-img { margin-top: 0; height: 480px; }

  /* Sticky CTA hides on tablet+ */
  .sticky-cta { display: none; }
  .page-end-pad { display: none; }
}

/* ───────────── Desktop ───────────── */
@media (min-width: 1024px) {
  .nav { padding: 26px 64px; }
  .hero { padding: 96px 64px 128px; gap: 80px; }
  .hero h1 { font-size: 64px; }
  .hero p { font-size: 18px; max-width: 480px; }
  .hero-img { height: 560px; }
  .section { padding: var(--section-d) 64px; }
  .section h2 { font-size: 40px; margin-bottom: 56px; }
  .vp h3 { font-size: 26px; }
  .vp p { font-size: 17px; }
  .step h3 { font-size: 28px; }
  .step p { font-size: 17px; }
  .step-num { font-size: 40px; }
  .hood { font-size: 24px; padding: 20px 0; }
  .quote { font-size: 32px; }
  .footer-cols { gap: 64px; }
  .footer { padding: 80px 64px 40px; }
  .final-cta { padding: 144px 64px; }
  .final-cta h2 { font-size: 56px; }
}

/* Big desktop: cap content width */
@media (min-width: 1440px) {
  .nav, .hero, .section, .footer, .final-cta {
    padding-left: max(64px, calc((100vw - 1280px) / 2 + 64px));
    padding-right: max(64px, calc((100vw - 1280px) / 2 + 64px));
  }
}
