/* ============================================================
   Fulvic Gold — Natural Plant Superfood
   ============================================================ */

:root {
  --green-900: #0f2c20;
  --green-800: #14392a;
  --green-700: #1c4a37;
  --green-600: #2a5e46;
  --gold:      #c69a3f;
  --gold-deep: #a87f2c;
  --gold-soft: #e3c879;
  --cream:     #f6f1e7;
  --paper:     #faf7f0;
  --ink:       #20231d;
  --muted:     #5f655a;
  --line:      #e3ddcf;

  --max: 1120px;
  --pad: clamp(1.25rem, 5vw, 4rem);
  --radius: 16px;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; letter-spacing: -0.01em; margin: 0; overflow-wrap: break-word; }
h2 { font-size: clamp(1.85rem, 4vw, 2.9rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1.1rem; }
a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: rgba(15, 44, 32, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(198, 154, 63, 0.22);
}
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--cream); }
.brand__mark { width: 30px; height: 30px; color: var(--gold); }
.brand__name { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; letter-spacing: 0.01em; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav a { color: rgba(246, 241, 231, 0.82); font-size: 0.92rem; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--gold-soft); }
.nav__cta {
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--gold-soft) !important;
}
.nav__cta:hover { background: var(--gold); color: var(--green-900) !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--cream); border-radius: 2px; transition: 0.25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  text-align: center;
  color: var(--cream);
  padding: clamp(4rem, 12vh, 8rem) var(--pad) clamp(3rem, 8vh, 5rem);
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(198,154,63,0.18), transparent 60%),
    linear-gradient(180deg, var(--green-800) 0%, var(--green-900) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 5px);
  opacity: 0.5;
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 760px; margin: 0 auto; }
.hero__logo { width: clamp(64px, 12vw, 92px); height: auto; margin: 0 auto 1.4rem; color: var(--gold); }
.hero__title {
  font-size: clamp(3rem, 11vw, 6.2rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0;
  background: linear-gradient(180deg, #fbf2d8 0%, var(--gold) 78%, var(--gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__tagline {
  text-transform: uppercase;
  letter-spacing: 0.42em;
  font-size: clamp(0.78rem, 2.2vw, 1.05rem);
  font-weight: 600;
  margin: 0.6rem 0 1.8rem;
  color: var(--cream);
  padding-left: 0.42em;
}
.hero__lede { font-size: clamp(1.05rem, 2.4vw, 1.3rem); color: rgba(246,241,231,0.9); margin: 0 auto 2.2rem; max-width: 620px; }
.hero__actions { display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: relative;
  margin-top: clamp(2.5rem, 7vh, 4rem);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(227, 200, 121, 0.7);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s, color 0.18s;
}
.btn--gold {
  background: linear-gradient(180deg, var(--gold-soft), var(--gold) 60%, var(--gold-deep));
  color: var(--green-900);
  box-shadow: 0 8px 22px rgba(168, 127, 44, 0.35);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(168, 127, 44, 0.45); }
.btn--ghost { border: 1px solid rgba(246,241,231,0.5); color: var(--cream); }
.btn--ghost:hover { border-color: var(--gold-soft); color: var(--gold-soft); }
.btn--full { display: block; text-align: center; margin-top: 1.2rem; }

/* ---------- Sections ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(3.5rem, 9vh, 6rem) var(--pad); }
.section__head { margin-bottom: 2.4rem; max-width: 640px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--gold-deep);
  margin: 0 0 0.8rem;
}
.eyebrow--light { color: var(--gold-soft); }

.prose { max-width: 640px; font-size: 1.08rem; color: #34382f; }
.prose p:last-child { margin-bottom: 0; }

/* ---------- Analysis band ---------- */
.band {
  background:
    radial-gradient(100% 120% at 50% 0%, rgba(198,154,63,0.14), transparent 55%),
    linear-gradient(180deg, var(--green-700), var(--green-900));
  color: var(--cream);
  padding: clamp(3.5rem, 9vh, 6rem) var(--pad);
}
.band--paper {
  background: var(--cream);
  color: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.band__head { max-width: var(--max); margin: 0 auto 2.6rem; }
.band__head h2 { max-width: 620px; }
.band__note { font-size: 0.9rem; opacity: 0.7; margin: 0.6rem 0 0; }
.band--paper .eyebrow { color: var(--gold-deep); }

.stats {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(227, 200, 121, 0.22);
  border: 1px solid rgba(227, 200, 121, 0.22);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  margin: 0;
  padding: 2rem 1rem;
  text-align: center;
  background: rgba(15, 44, 32, 0.55);
}
.stat__value { display: block; font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 3.4rem); font-weight: 600; color: var(--gold-soft); line-height: 1; }
.stat__value small { font-size: 0.45em; color: var(--gold); margin-left: 1px; }
.stat figcaption { margin-top: 0.7rem; font-size: 0.85rem; letter-spacing: 0.04em; color: rgba(246,241,231,0.85); }

/* ---------- Benefit cards ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(20,57,42,0.1); border-color: var(--gold); }
.card__icon { width: 40px; height: 40px; color: var(--green-600); margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.5rem; color: var(--green-800); }
.card p { font-size: 0.96rem; color: var(--muted); margin: 0; }

/* ---------- Usage ---------- */
.usage { max-width: var(--max); margin: 0 auto 2.5rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.usage__card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 1.8rem;
}
.usage__card h3 { color: var(--green-800); margin-bottom: 0.9rem; }
.usage__rate { font-size: 1.15rem; margin-bottom: 0.3rem; }
.usage__rate strong { color: var(--green-700); }
.usage__freq { font-size: 0.92rem; color: var(--gold-deep); font-weight: 600; letter-spacing: 0.03em; margin: 0; }

.mixing { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.mixing h4 { font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; color: var(--gold-deep); margin-bottom: 0.9rem; font-weight: 600; }
.mixing ul { margin: 0; padding-left: 1.1rem; }
.mixing li { font-size: 0.96rem; color: #3a3f34; margin-bottom: 0.6rem; }

/* ---------- Where to buy ---------- */
.section--buy { padding-bottom: clamp(4rem, 10vh, 7rem); }
.buy { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2.5rem; align-items: center; }
.buy__copy h2 { margin-bottom: 1rem; }
.buy__copy p { color: #34382f; font-size: 1.05rem; }
.buy__panel {
  background: linear-gradient(165deg, var(--green-700), var(--green-900));
  color: var(--cream);
  border-radius: var(--radius);
  padding: 2.2rem;
  text-align: center;
  box-shadow: 0 18px 40px rgba(15,44,32,0.18);
}
.buy__label { text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.74rem; color: var(--gold-soft); margin-bottom: 0.6rem; }
.buy__phone { display: block; font-family: var(--font-display); font-size: clamp(1.9rem, 5vw, 2.5rem); font-weight: 600; color: var(--cream); letter-spacing: 0.01em; }
.buy__phone:hover { color: var(--gold-soft); }
.buy__hours { font-size: 0.9rem; opacity: 0.75; margin: 0.5rem 0 0; }

/* ---------- Footer ---------- */
.footer {
  background: var(--green-900);
  color: rgba(246,241,231,0.75);
  padding: clamp(2.5rem, 6vh, 4rem) var(--pad) 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 3rem;
  align-items: start;
}
.footer__brand { display: flex; align-items: center; gap: 0.9rem; }
.footer__mark { width: 38px; height: 38px; color: var(--gold); }
.footer__name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; color: var(--cream); margin: 0; }
.footer__sub { font-size: 0.84rem; margin: 0.2rem 0 0; }
.footer__contact { text-align: right; font-size: 0.92rem; }
.footer__contact p { margin: 0 0 0.3rem; }
.footer__contact a { color: var(--gold-soft); }
.footer__fine { grid-column: 1 / -1; border-top: 1px solid rgba(246,241,231,0.12); padding-top: 1.5rem; font-size: 0.78rem; opacity: 0.6; margin: 0; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .site-header.open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--green-900);
    padding: 1.2rem var(--pad) 1.6rem;
    gap: 1.1rem;
    border-bottom: 1px solid rgba(198,154,63,0.22);
  }
  .site-header.open .nav__cta { text-align: center; }
  .buy { grid-template-columns: 1fr; }
  .mixing { grid-template-columns: 1fr; gap: 1.6rem; }
  .footer { grid-template-columns: 1fr; }
  .footer__contact { text-align: left; }
}
@media (max-width: 480px) {
  h2 { font-size: clamp(1.65rem, 7vw, 2rem); }
  .usage { grid-template-columns: 1fr; }
  .hero__tagline { letter-spacing: 0.24em; padding-left: 0.24em; }
  .hero__title { letter-spacing: 0; font-size: clamp(2.7rem, 13vw, 3.4rem); }
}