/* ==========================================================
   AgroPhos BioSciences™ — Main Stylesheet
   Mobile-first: base = 375px → 640 → 768 → 1024 → 1200
   ========================================================== */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ── TOKENS ── */
:root {
  --g900: #0d2b11;
  --g800: #1B4D26;
  --g600: #2D6A35;
  --g400: #3D8B47;
  --gold: #C49A28;
  --gold-lt: #F0D48A;
  --earth: #6B4226;
  --charcoal: #1E2520;
  --warm: #F7F5F0;
  --off: #FAFAF7;
  --border: #D8DDD5;
  --muted: #5A6358;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

/* ── BASE ── */
body {
  font-family: var(--sans);
  color: var(--charcoal);
  background: var(--off);
  line-height: 1.6;
  overflow-x: hidden;
}


/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 150;
  background: rgba(27, 77, 38, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(196, 154, 40, 0.25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  max-width: 1280px;
  margin: 0 auto;
}
.nav-logo { display: flex; align-items: center; gap: 0.65rem; }
.nav-logo-mark {
  width: 38px; height: 38px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--g600), var(--gold));
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid rgba(196, 154, 40, 0.5);
}
.nav-logo-mark svg {
  width: 20px; height: 20px;
  stroke: #fff; fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.nav-brand-name {
  font-family: var(--serif);
  font-size: 1rem; font-weight: 600;
  color: #fff; line-height: 1.1;
}
.nav-brand-sub {
  font-size: 0.58rem; color: var(--gold-lt);
  letter-spacing: 1.5px; text-transform: uppercase;
}
.nav-links { display: none; }
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  padding: 0.5rem;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: all 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  display: none;
  flex-direction: column;
  background: var(--g900);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: color var(--transition);
}
.nav-drawer a:hover { color: var(--gold-lt); }
.nav-cta-mob {
  margin: 1rem 1.5rem 1.5rem;
  background: var(--gold);
  color: var(--charcoal) !important;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: var(--gold); color: var(--charcoal);
  font-size: 0.875rem; font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--gold);
  transition: all var(--transition);
  white-space: nowrap; min-height: 44px;
}
.btn-primary:hover { background: var(--gold-lt); border-color: var(--gold-lt); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: transparent; color: #fff;
  font-size: 0.875rem; font-weight: 500;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid rgba(255, 255, 255, 0.4);
  transition: all var(--transition);
  min-height: 44px;
}
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--g600); font-size: 0.85rem; font-weight: 600;
  padding: 0.5rem 0;
  transition: gap var(--transition);
  min-height: 44px;
}
.btn-ghost:hover { gap: 0.65rem; }

/* ── SHARED SECTION ── */
section { padding: 4rem 1.25rem; }
.container { max-width: 1280px; margin: 0 auto; }
.eyebrow {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.68rem; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--g600);
  font-weight: 600; margin-bottom: 0.75rem;
}
.eyebrow::before {
  content: ''; width: 20px; height: 2px;
  background: var(--gold); flex-shrink: 0;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 700; line-height: 1.08;
  color: var(--charcoal); margin-bottom: 1rem;
}
.section-title em { color: var(--g600); font-style: italic; }
.section-lead {
  font-size: 0.975rem; color: var(--muted);
  line-height: 1.75; font-weight: 300; max-width: 540px;
}

/* ── HERO ── */
.hero {
  min-height: 100svh;
  position: relative;
  background: var(--g900);
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden;
}
.hero-img {
  position: absolute; inset: 0;
  background: url('../assets/images/hero-landscape.jpg') center / cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top,
    rgba(9, 30, 14, 0.92) 0%,
    rgba(9, 30, 14, 0.65) 50%,
    rgba(9, 30, 14, 0.3) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  padding: 3rem 1.25rem 3.5rem;
  max-width: 1280px; width: 100%; margin: 0 auto;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.65rem; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--gold-lt);
  font-weight: 500; margin-bottom: 1.25rem;
}
.hero-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--gold); }
.hero-headline {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 8vw, 5rem);
  font-weight: 700; line-height: 1; color: #fff;
  margin-bottom: 0.4rem; letter-spacing: -0.5px;
}
.hero-headline em { font-style: italic; color: var(--gold-lt); font-weight: 400; }
.hero-tagline {
  font-family: var(--serif);
  font-size: clamp(1rem, 3vw, 1.35rem);
  font-style: italic; color: var(--gold);
  margin-bottom: 1.25rem; font-weight: 400;
}
.hero-body {
  font-size: 0.9rem; color: rgba(255, 255, 255, 0.72);
  line-height: 1.75; max-width: 480px;
  margin-bottom: 2rem; font-weight: 300;
}
.hero-actions { display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-start; }
.hero-pillars {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem; margin-top: 2.5rem;
}
.hero-pillar {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 0.75rem 0.5rem; text-align: center;
}
.hero-pillar svg {
  width: 22px; height: 22px; margin: 0 auto 0.4rem;
  stroke: var(--gold-lt); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.hero-pillar-name {
  font-size: 0.6rem; color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px; text-transform: uppercase; font-weight: 500;
}

/* ── UNDERSTANDING ── */
.understanding { background: var(--off); }
.understanding-grid { display: grid; gap: 2.5rem; }
.roots-img {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 20px 60px rgba(27, 77, 38, 0.18);
}
.roots-img img { width: 100%; height: 100%; object-fit: cover; }
.pillar-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 1.5rem; }
.pillar-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.pillar-card:hover {
  border-color: var(--g400);
  box-shadow: 0 4px 16px rgba(45, 106, 53, 0.08);
}
.pillar-icon { width: 32px; height: 32px; flex-shrink: 0; }
.pillar-icon svg {
  width: 100%; height: 100%;
  stroke: var(--g600); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.pillar-name { font-size: 0.75rem; font-weight: 600; color: var(--charcoal); }
.pillar-desc { font-size: 0.72rem; color: var(--muted); line-height: 1.45; }
.understanding-quote {
  font-family: var(--serif);
  font-size: 1.15rem; font-style: italic;
  color: var(--g600); margin-top: 1.5rem; line-height: 1.5;
  border-left: 3px solid var(--gold); padding-left: 1rem;
}

/* ── AGROPHOS WAY ── */
.agrophos-way {
  background: var(--warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.way-header { margin-bottom: 2.5rem; }
.way-steps { display: flex; flex-direction: column; gap: 0; }
.way-step {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem 0; border-bottom: 1px solid var(--border);
}
.way-step:last-child { border-bottom: none; }
.way-num {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid var(--g600);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.2rem; font-weight: 700; color: var(--g600);
  transition: all var(--transition);
}
.way-step:hover .way-num { background: var(--g600); color: #fff; }
.way-step-icon svg {
  width: 20px; height: 20px;
  stroke: var(--g400); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  margin-bottom: 0.2rem;
}
.way-title {
  font-size: 0.8rem; font-weight: 700; color: var(--charcoal);
  letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 0.25rem;
}
.way-desc { font-size: 0.82rem; color: var(--muted); line-height: 1.55; }

/* ── SCIENCE ── */
.science { background: var(--g900); color: #fff; overflow: hidden; }
.science .eyebrow { color: var(--gold-lt); }
.science .eyebrow::before { background: var(--gold); }
.science .section-title { color: #fff; }
.science-grid { display: grid; gap: 1rem; margin-top: 2.5rem; }
.sci-card {
  border-radius: var(--radius-lg); overflow: hidden;
  position: relative; min-height: 240px;
}
.sci-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.sci-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top,
    rgba(9, 30, 14, 0.9) 0%,
    rgba(9, 30, 14, 0.4) 60%,
    transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.5rem;
}
.sci-card-icon { margin-bottom: 0.75rem; }
.sci-card-icon svg {
  width: 28px; height: 28px;
  stroke: var(--gold-lt); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.sci-card-title {
  font-size: 0.75rem; font-weight: 700; color: var(--gold-lt);
  letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 0.35rem;
}
.sci-card-desc { font-size: 0.82rem; color: rgba(255, 255, 255, 0.72); line-height: 1.55; }
.sci-flat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg); padding: 1.5rem;
  transition: all var(--transition);
}
.sci-flat:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(196, 154, 40, 0.4);
}
.sci-flat svg {
  width: 28px; height: 28px;
  stroke: var(--gold-lt); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  margin-bottom: 0.75rem;
}

/* ── PRODUCTS ── */
.products { background: var(--off); }
.products-notice {
  background: #fff; border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius); padding: 1rem 1.25rem;
  font-size: 0.82rem; color: var(--muted); line-height: 1.6;
  margin: 1.5rem 0 2rem;
}
.products-grid { display: grid; gap: 1rem; }
.product-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
}
.product-card:hover {
  box-shadow: 0 12px 36px rgba(27, 77, 38, 0.1);
  border-color: var(--g400); transform: translateY(-3px);
}
.product-band { height: 6px; }
.band-gold   { background: linear-gradient(90deg, #8B6914, #C49A28, #F0D48A, #C49A28, #8B6914); }
.band-bronze { background: linear-gradient(90deg, #6B4226, #A0694A, #6B4226); }
.band-veg    { background: linear-gradient(90deg, #1B4D26, #3D8B47, #1B4D26); }
.band-purple { background: linear-gradient(90deg, #4A2C6B, #8B5BC4, #4A2C6B); }
.band-earth  { background: linear-gradient(90deg, #4A2C14, #8B5E3C, #4A2C14); }
.band-fresh  { background: linear-gradient(90deg, #2D6A35, #6AB85A, #2D6A35); }
.band-slate  { background: linear-gradient(90deg, #2C4155, #5A8AAA, #2C4155); }
.product-body { padding: 1.25rem; }
.product-series {
  font-size: 0.6rem; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.35rem; font-weight: 600;
}
.product-name {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 700;
  color: var(--charcoal); line-height: 1; margin-bottom: 0.35rem;
}
.product-desc { font-size: 0.78rem; color: var(--muted); line-height: 1.5; margin-bottom: 0.85rem; }
.product-npk {
  display: inline-flex;
  background: var(--warm); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.3rem 0.65rem;
  font-size: 0.7rem; font-weight: 600; color: var(--g600);
  letter-spacing: 0.3px; margin-bottom: 0.85rem;
}
.product-flagship { display: inline-flex; align-items: center; gap: 0.3rem; margin-bottom: 0.85rem; }
.product-flagship svg { width: 14px; height: 14px; fill: var(--gold); stroke: none; }
.product-flagship span {
  font-size: 0.62rem; font-weight: 700; color: #7a5610;
  background: rgba(196, 154, 40, 0.15); border: 1px solid rgba(196, 154, 40, 0.35);
  border-radius: 100px; padding: 0.25rem 0.65rem;
  letter-spacing: 0.8px; text-transform: uppercase;
}
.product-spec-table { display: flex; flex-direction: column; gap: 0.3rem; }
.product-spec-row {
  display: flex; justify-content: space-between;
  font-size: 0.8rem; padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.product-spec-row:last-child { border-bottom: none; }
.product-spec-label { color: var(--muted); }
.product-spec-value { font-weight: 600; }

/* ── DR AGRI ── */
.dr-agri { background: var(--warm); border-top: 1px solid var(--border); }
.dr-agri-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(45, 106, 53, 0.1); border: 1px solid rgba(45, 106, 53, 0.25);
  border-radius: 100px; padding: 0.35rem 0.9rem;
  font-size: 0.65rem; color: var(--g600); font-weight: 700;
  letter-spacing: 0.8px; text-transform: uppercase; margin-bottom: 1rem;
}
.dr-agri-badge svg {
  width: 14px; height: 14px; stroke: var(--g600); fill: none;
  stroke-width: 1.5; stroke-linecap: round;
}
.chat-widget {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 8px 32px rgba(27, 77, 38, 0.08); margin-top: 2rem;
}
.chat-head {
  background: var(--g800); padding: 0.9rem 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.chat-avatar {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--gold), var(--gold-lt));
  display: flex; align-items: center; justify-content: center;
}
.chat-avatar svg {
  width: 18px; height: 18px; stroke: var(--charcoal); fill: none;
  stroke-width: 1.5; stroke-linecap: round;
}
.chat-head-name { font-size: 0.85rem; font-weight: 600; color: #fff; line-height: 1.1; }
.chat-head-status { font-size: 0.65rem; color: var(--gold-lt); }
.chat-body { padding: 1.25rem; display: flex; flex-direction: column; gap: 0.85rem; }
.bubble {
  max-width: 88%; padding: 0.8rem 1rem; border-radius: 12px;
  font-size: 0.83rem; line-height: 1.55;
}
.bubble.bot {
  background: var(--warm); border: 1px solid var(--border);
  border-bottom-left-radius: 3px; align-self: flex-start; color: var(--charcoal);
}
.bubble.user {
  background: var(--g600); color: #fff;
  border-bottom-right-radius: 3px; align-self: flex-end;
}
.chat-input-row {
  border-top: 1px solid var(--border); padding: 1rem 1.25rem;
  display: flex; gap: 0.6rem;
}
.chat-input-row input {
  flex: 1; border: 1px solid var(--border); border-radius: 8px;
  padding: 0.6rem 0.9rem; font-size: 0.83rem; font-family: var(--sans);
  color: var(--charcoal); background: var(--off); outline: none; min-height: 44px;
}
.chat-input-row input:focus { border-color: var(--g600); }
.chat-send {
  background: var(--g600); color: #fff; border-radius: 8px;
  padding: 0.6rem 1rem; font-size: 0.83rem; font-weight: 600;
  min-height: 44px; min-width: 44px; transition: background var(--transition);
}
.chat-send:hover { background: var(--g800); }

/* ── KNOWLEDGE ── */
.knowledge { background: var(--off); }
.knowledge-grid { display: grid; gap: 1rem; margin-top: 2rem; }
.know-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition); display: block;
}
.know-card:hover {
  box-shadow: 0 12px 36px rgba(27, 77, 38, 0.1);
  border-color: var(--g400); transform: translateY(-3px);
}
.know-img { height: 180px; overflow: hidden; }
.know-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s;
}
.know-card:hover .know-img img { transform: scale(1.04); }
.know-body { padding: 1.25rem; }
.know-tag {
  font-size: 0.6rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--g600); font-weight: 700; margin-bottom: 0.6rem;
}
.know-title {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 600;
  color: var(--charcoal); line-height: 1.25; margin-bottom: 0.85rem;
}

/* ── PARTNERSHIPS ── */
.partnerships {
  background: var(--warm); border-top: 1px solid var(--border);
  padding: 3.5rem 1.25rem;
}
.partners-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 2rem; }
.partner-tile {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1rem;
  text-align: center; transition: all var(--transition);
}
.partner-tile:hover {
  border-color: var(--g600);
  box-shadow: 0 4px 16px rgba(27, 77, 38, 0.08);
}
.partner-tile svg {
  width: 26px; height: 26px; stroke: var(--g600); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  margin: 0 auto 0.5rem;
}
.partner-name {
  font-size: 0.68rem; color: var(--muted); font-weight: 600;
  letter-spacing: 0.8px; text-transform: uppercase;
}

/* ── FOOTER CTA ── */
.footer-cta {
  background: url('../assets/images/soil-texture.jpg') center / cover no-repeat;
  position: relative; text-align: center; padding: 5rem 1.25rem;
}
.footer-cta::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(9, 30, 14, 0.82);
}
.footer-cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.footer-cta h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  color: #fff; font-weight: 700; margin-bottom: 0.75rem;
}
.footer-cta p {
  font-size: 0.95rem; color: rgba(255, 255, 255, 0.72);
  line-height: 1.75; margin-bottom: 2rem; font-weight: 300;
}
.footer-cta-actions {
  display: flex; flex-direction: column;
  gap: 0.75rem; align-items: center;
}

/* ── FOOTER ── */
footer { background: var(--g900); color: #fff; padding: 3.5rem 1.25rem 2rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-brand { margin-bottom: 2.5rem; }
.footer-brand-name { font-family: var(--serif); font-size: 1.2rem; color: #fff; margin-bottom: 0.3rem; }
.footer-tagline { font-size: 0.78rem; color: var(--gold-lt); font-style: italic; margin-bottom: 0.85rem; }
.footer-mission {
  font-size: 0.78rem; color: rgba(255, 255, 255, 0.5);
  line-height: 1.65; margin-bottom: 1.25rem; max-width: 340px;
}
.footer-social { display: flex; gap: 0.6rem; }
.soc {
  width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.soc:hover { background: var(--gold); border-color: var(--gold); }
.soc svg {
  width: 15px; height: 15px; stroke: #fff; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.soc:hover svg { stroke: var(--charcoal); }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
.footer-col h4 {
  font-size: 0.62rem; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--gold-lt); font-weight: 700; margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-col ul li a { font-size: 0.8rem; color: rgba(255, 255, 255, 0.55); transition: color var(--transition); }
.footer-col ul li a:hover { color: #fff; }
.footer-newsletter h4 {
  font-size: 0.62rem; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--gold-lt); font-weight: 700; margin-bottom: 0.85rem;
}
.footer-newsletter p { font-size: 0.78rem; color: rgba(255, 255, 255, 0.5); line-height: 1.6; margin-bottom: 1rem; }
.newsletter-form { display: flex; flex-direction: column; gap: 0.5rem; }
.newsletter-form input {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.07); color: #fff;
  border-radius: 8px; padding: 0.65rem 0.85rem;
  font-size: 0.8rem; outline: none; min-height: 44px;
}
.newsletter-form input::placeholder { color: rgba(255, 255, 255, 0.35); }
.newsletter-form button {
  background: var(--gold); color: var(--charcoal); border-radius: 8px;
  padding: 0.65rem 1.1rem; font-size: 0.8rem; font-weight: 700;
  min-height: 44px; transition: background var(--transition);
}
.newsletter-form button:hover { background: var(--gold-lt); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 1.5rem;
  display: flex; flex-direction: column; gap: 0.75rem;
}
.footer-bottom-copy { font-size: 0.7rem; color: rgba(255, 255, 255, 0.35); }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-bottom-links a { font-size: 0.7rem; color: rgba(255, 255, 255, 0.35); transition: color var(--transition); }
.footer-bottom-links a:hover { color: rgba(255, 255, 255, 0.7); }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   BREAKPOINTS (mobile-first, min-width)
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* 640px */
@media (min-width: 640px) {
  section { padding: 5rem 1.5rem; }
  .hero-actions { flex-direction: row; }
  .footer-cta-actions { flex-direction: row; justify-content: center; }
  .newsletter-form { flex-direction: row; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .knowledge-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .way-steps { display: grid; grid-template-columns: 1fr 1fr; }
  .way-step { border-bottom: 1px solid var(--border); }
  .way-step:nth-child(odd) { border-right: 1px solid var(--border); }
  .way-step:nth-last-child(-n+2) { border-bottom: none; }
}

/* 768px */
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-drawer { display: none !important; }
  .nav-links {
    display: flex; align-items: center; gap: 0.15rem;
  }
  .nav-links li a {
    font-size: 0.78rem; color: rgba(255, 255, 255, 0.82);
    padding: 0.4rem 0.7rem; border-radius: 6px;
    transition: all var(--transition);
  }
  .nav-links li a:hover { color: var(--gold-lt); background: rgba(255, 255, 255, 0.08); }
  .nav-cta-link { background: var(--gold) !important; color: var(--charcoal) !important; font-weight: 600 !important; }
  .nav-cta-link:hover { background: var(--gold-lt) !important; }
  .understanding-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .science-grid { grid-template-columns: 1fr 1fr; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
  .partners-grid { grid-template-columns: repeat(5, 1fr); }
}

/* 1024px */
@media (min-width: 1024px) {
  section { padding: 7rem 2rem; }
  .hero-content { padding: 4rem 2rem 5rem; }
  .way-steps {
    grid-template-columns: repeat(6, 1fr);
    position: relative;
  }
  .way-steps::before {
    content: '';
    position: absolute; top: 22px; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(to right, var(--g400), var(--gold), var(--g400));
    z-index: 0;
  }
  .way-step {
    flex-direction: column; align-items: center; text-align: center;
    padding: 0 0.75rem;
    border-bottom: none !important; border-right: none !important;
    position: relative; z-index: 1;
  }
  .way-num { margin-bottom: 1rem; background: var(--warm); }
  .products-grid { grid-template-columns: repeat(4, 1fr); }
  .product-card.flagship { grid-column: span 2; }
  .product-card.flagship .product-body {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 1.5rem; align-items: start;
  }
  .science-grid { grid-template-columns: repeat(3, 1fr); }
  .knowledge-grid { grid-template-columns: repeat(3, 1fr); }
  .dr-agri-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; gap: 3rem; }
  .footer-brand { margin-bottom: 0; }
  .footer-cols { display: contents; }
  .footer-newsletter { margin-top: 0; }
}

/* 1200px */
@media (min-width: 1200px) {
  .science-grid { grid-template-columns: repeat(5, 1fr); }
}

/* ══════════════════════════════════════════
   ADDITIONS — V3 updates
   ══════════════════════════════════════════ */

/* ── NAV LOGO IMAGE ── */
.nav-logo-mark {
  padding: 0;
  overflow: hidden;
}
.nav-logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* ── HERO: WE DELIVER SOLUTIONS ── */
.hero-deliver {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
  font-weight: 700;
  color: var(--gold-lt);
  letter-spacing: 0.5px;
  margin-bottom: 1.25rem;
}

/* ── HERO: 5-PILLAR GRID ── */
.hero-pillars {
  grid-template-columns: repeat(5, 1fr);
}

/* ── UNDERSTANDING: 5-CARD PILLAR ROW ── */
.pillar-row {
  grid-template-columns: 1fr 1fr;
}
/* On wider screens, expand to show all 5 in better layout */
@media (min-width: 640px) {
  .pillar-row {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .pillar-row {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ── ESSENTIAL BALANCE SECTION ── */
.essential-balance {
  background: linear-gradient(150deg, var(--g900) 0%, var(--g800) 60%, #1a3a20 100%);
  padding: 4rem 1.25rem;
  overflow: hidden;
}
.essential-balance .eyebrow::before { background: var(--gold); }
.eb-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}
.eb-checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.5rem;
  margin-top: 1.75rem;
}
.eb-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}
.eb-check svg {
  width: 16px; height: 16px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  flex-shrink: 0;
}

/* Diagram */
.eb-diagram {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto;
}
.eb-centre {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--g600), var(--g800));
  border: 2.5px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  z-index: 2;
}
.eb-centre-label {
  font-family: var(--serif);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gold-lt);
  letter-spacing: 0.5px;
  line-height: 1.3;
  text-transform: uppercase;
}
.eb-centre-label span {
  font-style: italic;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--gold);
}
.eb-node {
  position: absolute;
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(61, 139, 71, 0.18);
  border: 1.5px solid rgba(61, 139, 71, 0.5);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; gap: 3px;
  transition: all 0.3s;
}
.eb-node:hover {
  background: rgba(196, 154, 40, 0.2);
  border-color: var(--gold);
}
.eb-node-icon svg {
  width: 20px; height: 20px;
  stroke: var(--gold-lt); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.eb-node-name {
  font-size: 0.48rem;
  color: rgba(255,255,255,0.75);
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  line-height: 1.2;
}
/* ── WHITE NODES — legible on dark background ── */
.eb-node {
  background: rgba(255,255,255,0.93) !important;
  border: 2px solid rgba(255,255,255,0.6) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
.eb-node-name {
  color: var(--charcoal) !important;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}
/* Node icon colours */
.eb-soil     svg { stroke: #6B4226; fill: none; }
.eb-nutrient svg { stroke: #2D6A35; fill: none; }
.eb-plant    svg { stroke: #3D8B47; fill: none; }
.eb-env      svg { stroke: #2D6B8B; fill: none; }
.eb-water    svg { stroke: #2955A0; fill: none; }
.eb-bio      svg { stroke: #7B3FA0; fill: none; }

/* Hexagonal 6-node positions */
.eb-n1 { top: -12px;  left: 50%;   transform: translateX(-50%); }
.eb-n2 { top: 18%;    right: -16px; }
.eb-n3 { bottom: 18%; right: -16px; }
.eb-n4 { bottom: -12px; left: 50%; transform: translateX(-50%); }
.eb-n5 { bottom: 18%; left: -16px; }
.eb-n6 { top: 18%;    left: -16px; }

/* Connector ring */
.eb-diagram::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 220px; height: 220px;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.2);
  pointer-events: none;
}

@media (min-width: 768px) {
  .eb-grid { grid-template-columns: 1fr 1fr; }
  .eb-diagram { width: 320px; height: 320px; }
  .eb-centre { width: 120px; height: 120px; }
  .eb-node { width: 76px; height: 76px; }
  .eb-diagram::before { width: 255px; height: 255px; }
  .essential-balance { padding: 6rem 2rem; }
}
@media (min-width: 1024px) {
  .eb-diagram { width: 360px; height: 360px; }
  .eb-centre { width: 130px; height: 130px; }
  .eb-centre-label { font-size: 0.75rem; }
  .eb-node { width: 84px; height: 84px; }
  .eb-node-icon svg { width: 24px; height: 24px; }
  .eb-node-name { font-size: 0.52rem; }
  .eb-diagram::before { width: 285px; height: 285px; }
  .essential-balance { padding: 7rem 2rem; }
}

/* ── PRODUCT RANGE BANNER ── */
.range-banner {
  background: var(--off);
  padding: 4rem 0;
}
.range-banner .container {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.range-banner .section-title {
  margin-bottom: 2rem;
}
.banner-img-wrap {
  width: 100%;
  overflow: hidden;
}
.banner-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}
.banner-packshots-wrap {
  margin-top: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.banner-packshots-wrap img {
  width: 100%;
  height: auto;
  display: block;
}
@media (min-width: 768px) {
  .range-banner { padding: 5rem 0; }
}
@media (min-width: 1024px) {
  .range-banner { padding: 7rem 0; }
}

/* ── PRODUCT IMAGES ── */
.product-img-wrap {
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem 0;
  height: 260px;
  overflow: hidden;
}
.product-img-wrap img {
  height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.12));
  transition: transform 0.35s ease;
}
.product-card:hover .product-img-wrap img {
  transform: translateY(-6px) scale(1.02);
}

/* Text area is cream */
.product-card {
  background: var(--warm);
}

/* Flagship image — taller, centred */
.flagship-img {
  height: 320px;
  padding: 1.5rem 2rem;
  align-items: center;
}

/* Flagship body layout */
.product-card.flagship .product-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 0;
}
.product-card.flagship .flagship-img {
  border-radius: 0;
}
.product-card.flagship .product-info {
  padding: 1.25rem;
  background: var(--warm);
}

@media (min-width: 1024px) {
  .product-card.flagship .product-body {
    grid-template-columns: 220px 1fr;
    align-items: stretch;
    gap: 0;
  }
  .flagship-img {
    height: 100%;
    min-height: 340px;
    padding: 1.5rem;
    border-right: 1px solid var(--border);
    align-items: center;
    justify-content: center;
  }
  .flagship-img img {
    max-height: 320px;
  }
}

/* ── PACKAGING NOTE (products section header) ── */
.pack-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 0.75rem 1.1rem;
  font-size: 0.83rem;
  color: var(--muted);
  margin: 1.25rem 0 1.75rem;
}
.pack-note svg {
  width: 18px; height: 18px; flex-shrink: 0;
  stroke: var(--gold); fill: none;
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.pack-note strong { color: var(--charcoal); }

/* ── PACK SIZE BADGE (product cards) ── */
.product-pack {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 0.3rem 0;
  margin-bottom: 0.5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── HERO overlay darkening for new lighter image ── */
.hero-overlay {
  background: linear-gradient(to top,
    rgba(9, 30, 14, 0.88) 0%,
    rgba(9, 30, 14, 0.55) 45%,
    rgba(9, 30, 14, 0.25) 100%);
}