/* ================= Terraarvera — brand tokens ================= */
:root {
  --leaf: #3e4d2c;        /* deep banana-leaf green (primary) */
  --leaf-dark: #2f3b21;
  --clay: #b9663b;        /* terracotta accent */
  --cream: #faf6ee;       /* page background */
  --sand: #f1e9da;        /* alt section background */
  --ink: #2b2317;         /* body text */
  --stone: #6e6353;       /* muted text */
  --line: #e3d9c6;
  --radius: 14px;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--cream);
  /* subtle woven-paper texture, pure CSS so nothing extra to download */
  background-image:
    repeating-linear-gradient(0deg, rgba(110, 99, 83, .025) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(90deg, rgba(110, 99, 83, .02) 0 1px, transparent 1px 5px);
}

img { display: block; max-width: 100%; height: auto; }

.container { width: min(100% - 2.5rem, 68rem); margin-inline: auto; }
.center { text-align: center; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 5.5vw, 3.25rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: 1.15rem; }

.eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 .75rem;
}

.section-lede {
  color: var(--stone);
  max-width: 38rem;
  margin: 0 auto 2rem;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* offset in-page anchors below the sticky header */
section[id], .anchor { scroll-margin-top: 5rem; }

/* ================= Buttons ================= */
.btn {
  display: inline-block;
  padding: .85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  text-align: center;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--leaf); color: var(--cream); }
.btn-primary:hover { background: var(--leaf-dark); }
.btn-ghost { color: var(--leaf); border-color: transparent; padding-inline: .5rem; }
.btn-ghost:hover { color: var(--leaf-dark); text-decoration: underline; }
.btn-outline { color: var(--leaf); border-color: var(--leaf); background: transparent; }
.btn-outline:hover { background: var(--leaf); color: var(--cream); }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; }

/* ================= Header ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 238, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .7rem;
}
.logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); }
.logo-mark { width: 32px; height: 32px; flex: none; }
.logo-word { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; letter-spacing: .02em; }

.site-nav { display: none; gap: 1.6rem; }
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--clay); }

@media (min-width: 760px) {
  .site-nav { display: flex; }
}

/* ================= Hero ================= */
.hero { padding-block: 2.5rem 3.5rem; }
.hero-grid { display: grid; gap: 2rem; align-items: center; }
.hero-copy .sub { color: var(--stone); font-size: 1.05rem; max-width: 34rem; margin: 0 0 1.75rem; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem 1.25rem; margin-bottom: 1.5rem; }

.hero-proof {
  display: flex; flex-wrap: wrap; gap: .4rem 1.5rem;
  list-style: none; margin: 0; padding: 0;
  font-size: .85rem; color: var(--stone);
}
.hero-proof li::before { content: "\2713\0020"; color: var(--leaf); font-weight: 700; }

.hero-photo { margin: 0; }
.hero-photo img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 24px 48px -24px rgba(43, 35, 23, .35);
}
.ai-note {
  margin-top: .5rem;
  font-size: .72rem;
  color: var(--stone);
  text-align: right;
  font-style: italic;
}

@media (min-width: 860px) {
  .hero { padding-block: 4rem 5rem; }
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 3.5rem; }
}

/* ================= Why banana fiber ================= */
.why { background: var(--sand); padding-block: 4rem; }
.why-grid {
  display: grid;
  gap: 1.25rem;
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
}
.why-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.why-card svg { width: 30px; height: 30px; color: var(--clay); margin-bottom: .75rem; }
.why-card h3 { margin-bottom: .35rem; }
.why-card p { margin: 0; color: var(--stone); font-size: .94rem; }

@media (min-width: 640px) { .why-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }

/* ================= Product grids ================= */
.products, .mats { padding-block: 4rem; }
.mats { background: var(--sand); }

.product-grid { display: grid; gap: 1.5rem; margin-top: 2.25rem; }
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid.two-up { grid-template-columns: repeat(2, 1fr); width: min(100%, 46rem); margin-inline: auto; }
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover {
  box-shadow: 0 16px 32px -16px rgba(43, 35, 23, .25);
  transform: translateY(-3px);
}
.card-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card-body { padding: 1.1rem 1.25rem 1.35rem; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { margin-bottom: .15rem; }
.card-note { margin: 0 0 1rem; color: var(--stone); font-size: .88rem; }
.card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.coming-soon {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clay);
  background: var(--sand);
  border-radius: 999px;
  padding: .3rem .8rem;
  white-space: nowrap;
}

/* ================= Mats benefits ================= */
.mat-benefits {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 36rem;
  display: grid;
  gap: .5rem;
  font-size: .95rem;
  color: var(--stone);
}
.mat-benefits li::before { content: "\2713\0020\0020"; color: var(--leaf); font-weight: 700; }
.mat-benefits strong { color: var(--ink); }

.mats .center:last-child, .why .center:last-child { margin-top: 2.5rem; }

/* ================= Email capture ================= */
.signup { background: var(--leaf); color: var(--cream); padding-block: 4rem; }
.signup-inner { max-width: 36rem; text-align: center; }
.signup h2 { color: #fff; }
.signup p { color: rgba(250, 246, 238, .85); }

.signup-form { display: grid; gap: .75rem; margin-top: 1.5rem; }
.signup-form input,
.signup-form select {
  width: 100%;
  padding: .9rem 1.2rem;
  border-radius: 999px;
  border: 1.5px solid rgba(250, 246, 238, .4);
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
}
.signup-form select { appearance: none; cursor: pointer; }
.signup-form select:invalid { color: rgba(250, 246, 238, .6); }
.signup-form option { color: var(--ink); background: var(--cream); }
.signup-form input::placeholder { color: rgba(250, 246, 238, .6); }
.signup-form input:focus,
.signup-form select:focus { outline: 2px solid var(--cream); outline-offset: 2px; }
.signup-form .btn-primary { background: var(--clay); }
.signup-form .btn-primary:hover { background: #a2552e; }

/* ================= Signup success popup ================= */
.popup-overlay[hidden] { display: none; }
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(43, 35, 23, .55);
  backdrop-filter: blur(3px);
}
.popup-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 2.5rem 2rem 2rem;
  max-width: 26rem;
  width: 100%;
  text-align: center;
  box-shadow: 0 32px 64px -24px rgba(43, 35, 23, .5);
  animation: popup-in .25s ease-out;
}
.popup-check { width: 64px; height: 64px; margin: 0 auto 1.25rem; }
.popup-card h3 { font-size: 1.5rem; margin-bottom: .5rem; }
.popup-card p { color: var(--stone); margin: 0 0 1.5rem; }

@keyframes popup-in {
  from { opacity: 0; transform: translateY(12px) scale(.96); }
  to { opacity: 1; transform: none; }
}

@media (min-width: 700px) {
  .signup-form { grid-template-columns: 1.3fr 1fr auto; }
}

/* ================= Footer ================= */
.site-footer { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.footer-inner { display: grid; gap: 1rem; text-align: center; justify-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
.site-footer nav a { color: var(--stone); text-decoration: none; font-size: .9rem; }
.site-footer nav a:hover { color: var(--clay); }
.fineprint { margin: 0; font-size: .8rem; color: var(--stone); }