/* ===== Ocean Green® – sustainable packaging page ===== */

:root {
  --green-900: #0d3b2e;
  --green-700: #17694f;
  --green-500: #2a9a6f;
  --green-100: #e6f3ec;
  --ink: #1c2b26;
  --muted: #55665f;
  --white: #ffffff;
  --radius: 12px;
  --max: 1180px;
  --font: "Figtree", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green-500); outline-offset: 3px; }

h1, h2, h3, h5 { line-height: 1.2; margin: 0 0 .6em; color: var(--green-900); font-weight: 700; }
h1, .h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
p { margin: 0 0 1em; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.narrow { max-width: 760px; }
.container.narrow { width: min(100% - 2.5rem, 760px); }

/* Buttons */
.btn {
  display: inline-block;
  padding: .85em 1.8em;
  border-radius: 999px;
  background: var(--green-700);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
  transition: background .2s;
}
.btn:hover { background: var(--green-900); }
.btn-small { padding: .6em 1.3em; font-size: .95rem; }
.btn-light { background: var(--white); color: var(--green-900); }
.btn-light:hover { background: var(--green-100); }

/* Header */
.site-header { border-bottom: 1px solid var(--green-100); background: var(--white); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: .9rem; }

/* Hero */
.hero { background: var(--green-100); padding-block: clamp(3rem, 7vw, 6rem); }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero-text p { font-size: 1.2rem; color: var(--muted); max-width: 34ch; }
.hero-image img { border-radius: var(--radius); }
figure { margin: 0; }

/* Sections */
.section { padding-block: clamp(3rem, 6vw, 5.5rem); }
.section-tint { background: #f4faf7; }
.section-title { text-align: center; margin-bottom: 1.5em; }
.prose.narrow { margin-inline: auto; text-align: center; }

.two-col, .product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.reverse .media { order: 2; }
.media img { border-radius: var(--radius); width: 100%; background: var(--green-100); }
.prose p { max-width: 62ch; }

.comparison { max-width: 960px; margin-inline: auto; }
.comparison img { border-radius: var(--radius); margin-inline: auto; }

/* Values */
.values {
  list-style: none; padding: 0; margin: 2.5rem 0 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1.25rem;
}
.values li {
  border-top: 3px solid var(--green-500);
  padding: 1.1rem .2rem 0;
}
.values strong { display: block; color: var(--green-900); font-size: 1.1rem; margin-bottom: .3em; }
.values span { color: var(--muted); font-size: .97rem; }

/* Products */
.product + .product { margin-top: clamp(3rem, 6vw, 5rem); }
.checks { list-style: none; padding: 0; margin: 1.2em 0 0; }
.checks li { position: relative; padding-left: 1.9em; margin-bottom: .5em; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .35em;
  width: 1.1em; height: 1.1em; border-radius: 50%;
  background: var(--green-500)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 75% no-repeat;
}

/* FAQ */
.faq details { border-bottom: 1px solid #cfe3d8; }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1.1rem 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary h5 { margin: 0; font-size: 1.1rem; }
.faq summary::after {
  content: "+"; font-size: 1.6rem; line-height: 1; color: var(--green-700); flex-shrink: 0;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 1.2rem; color: var(--muted); }

/* CTA */
.cta { background: var(--green-900); color: var(--white); padding-block: clamp(3.5rem, 7vw, 6rem); text-align: center; }
.cta h2 { color: var(--white); font-size: clamp(2rem, 4vw, 2.8rem); }
.cta em { color: #8fd9b4; }
.cta-lead { max-width: 60ch; margin-inline: auto; opacity: .85; }
.cta-inner > p:not(.cta-lead) { margin-bottom: 1.6rem; }

/* Footer */
.site-footer { padding-block: 1.8rem; font-size: .95rem; color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-inner p { margin: 0; }

/* Responsive */
@media (max-width: 820px) {
  .hero-inner, .two-col, .product { grid-template-columns: 1fr; }
  .reverse .media { order: 0; }
  .hero-text { text-align: center; }
  .hero-text p { margin-inline: auto; }
  .footer-inner { flex-direction: column; text-align: center; }
}