/* ============================================================
   Nurturing Tatvas Agrocare — recreation of ntagro.netlify.app
   ============================================================ */

:root {
  --green-900: #0c3a22;
  --green-800: #0f4c2c;
  --green-700: #14532d;
  --green-600: #16803c;
  --green-500: #1a9e47;
  --green-400: #22c55e;
  --green-300: #4ade80;
  --green-200: #86efac;
  --green-100: #dcfce7;
  --green-50:  #f0fdf4;

  --dark-bg: #0a0f0c;
  --dark-bg-2: #0e1512;
  --dark-card: #141b17;
  --dark-border: rgba(255,255,255,0.08);

  --blue-500: #2563eb;
  --blue-100: #dbeafe;
  --orange-500: #ea580c;
  --orange-100: #ffedd5;
  --red-500: #dc2626;
  --pink-100: #fce7f3;

  --ink-900: #0e1512;
  --ink-700: #33403a;
  --ink-500: #5b6b63;
  --ink-400: #7c8b83;
  --ink-200: #e4e9e5;
  --paper: #ffffff;
  --paper-soft: #f7f9f6;
  --paper-tint: #f0f5f0;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(14,21,18,0.06);
  --shadow-md: 0 8px 24px rgba(14,21,18,0.08);
  --shadow-lg: 0 20px 50px rgba(14,21,18,0.12);

  --container: 1240px;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.accent-italic {
  font-style: italic;
  font-weight: 700;
  color: var(--green-400);
  background: linear-gradient(90deg, var(--green-500), var(--green-300));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.accent {
  color: var(--green-500);
}

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-200);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--green-300), var(--green-700));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 13px;
  flex-shrink: 0;
}
.brand-mark-img {
  width: 46px; height: 46px; object-fit: contain;
  flex-shrink: 0; display: block;
}
footer .brand-mark-img { width: 50px; height: 50px; }
.brand-text { line-height: 1.1; }
.brand-name { font-weight: 700; font-size: 15px; color: var(--ink-900); }
.brand-tag { font-size: 11px; font-style: italic; color: var(--green-600); }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a.nav-link {
  font-size: 14.5px; font-weight: 500; color: var(--ink-700);
  display: flex; align-items: center; gap: 4px;
  padding: 8px 0;
}
.main-nav a.nav-link:hover, .main-nav a.nav-link.active { color: var(--green-600); }
.nav-item { position: relative; }
.nav-caret { font-size: 10px; opacity: 0.6; }
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 8px; min-width: 210px;
  opacity: 0; visibility: hidden; transform: translateX(-50%) translateY(6px);
  transition: all .18s ease;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 13.5px; color: var(--ink-700); }
.dropdown a:hover { background: var(--green-50); color: var(--green-700); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; border-radius: var(--radius-pill);
  padding: 12px 22px; border: none; white-space: nowrap;
}
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-700); }
.btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,0.6); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-outline-dark { background: transparent; border: 1.5px solid var(--ink-200); color: var(--ink-900); }
.btn-outline-dark:hover { border-color: var(--green-500); color: var(--green-600); }
.btn-dark { background: var(--ink-900); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-blue { background: var(--blue-500); color: #fff; }
.btn-blue:hover { background: #1d4ed8; }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

.hamburger { display: none; background: none; border: none; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink-900); margin: 5px 0; }

.mobile-nav {
  display: none;
  position: fixed; inset: 0; z-index: 300;
  background: #fff; padding: 24px; overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.mobile-nav a { display: block; padding: 14px 0; font-size: 17px; font-weight: 600; border-bottom: 1px solid var(--ink-200); }
.mobile-nav .sub a { font-size: 15px; font-weight: 500; padding-left: 14px; color: var(--ink-500); border-bottom: none; }

/* ---------------- Eyebrow / Badge ---------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 7px 16px; border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.15); color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
}
.badge-light {
  background: var(--green-50); color: var(--green-700); border: 1px solid var(--green-100);
}
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--green-600); display: inline-block; margin-bottom: 14px;
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  color: #fff;
  padding: 130px 0 110px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,20,12,0.55) 0%, rgba(10,20,12,0.65) 45%, rgba(10,35,18,0.85) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 780px; margin: 0 auto; }
.hero h1 { font-size: 56px; font-weight: 800; line-height: 1.1; margin: 20px 0 18px; letter-spacing: -0.01em; }
.hero p.hero-sub { font-size: 17px; line-height: 1.6; color: rgba(255,255,255,0.88); max-width: 640px; margin: 0 auto; }
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.hero-wave {
  position: absolute; bottom: -1px; left: 0; width: 100%; line-height: 0; z-index: 2;
}
.hero-wave svg { width: 100%; height: 70px; display: block; }

/* ---------------- Sections ---------------- */
section { padding: 90px 0; }
.section-tight { padding: 70px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 50px; }
.section-head h2 { font-size: 36px; font-weight: 800; line-height: 1.2; margin: 0 0 14px; color: var(--ink-900); }
.section-head p { font-size: 15.5px; color: var(--ink-500); line-height: 1.6; }
.section-head.left { text-align: left; margin: 0 0 44px; }

.section-dark { background: var(--dark-bg); color: #fff; }
.section-dark .section-head p { color: rgba(255,255,255,0.6); }
.section-dark .section-head h2 { color: #fff; }
.section-tint { background: var(--paper-tint); }
.section-green {
  background: linear-gradient(120deg, var(--green-700), var(--green-500));
  color: #fff;
}

/* ---------------- Cards ---------------- */
.card {
  background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  border: 1px solid var(--ink-200);
}
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.stat-card {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  aspect-ratio: 4/3; color: #fff; padding: 22px;
  display: flex; flex-direction: column; justify-content: flex-end;
  background-size: cover; background-position: center;
}
.stat-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.15), rgba(0,0,0,0.78)); }
.stat-card * { position: relative; z-index: 1; }
.stat-card .stat-num { font-size: 34px; font-weight: 800; }
.stat-card .stat-title { font-size: 14px; font-weight: 700; margin: 4px 0 6px; }
.stat-card .stat-desc { font-size: 12px; color: rgba(255,255,255,0.75); line-height: 1.4; }

.photo-card { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; }

/* circular ring stats */
.ring-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; margin-top: 10px; }
.ring-stat { text-align: center; }
.ring-circle {
  width: 128px; height: 128px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; color: #fff;
  margin: 0 auto 12px;
}
.ring-label { font-size: 13px; color: rgba(255,255,255,0.85); }

/* product / info cards */
.icon-badge {
  width: 40px; height: 40px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 14px;
}
.tag-pill {
  display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.03em;
  padding: 5px 10px; border-radius: var(--radius-pill);
  background: var(--green-50); color: var(--green-700); margin: 0 6px 6px 0;
}

.pcard {
  background: #fff; border-radius: 20px; box-shadow: var(--shadow-md);
  padding: 24px; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pcard-topbadge {
  align-self: flex-start; font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 5px 12px; border-radius: var(--radius-pill); margin-bottom: 14px;
}
.pcard-img { border-radius: 14px; overflow: hidden; aspect-ratio: 4/3; margin-bottom: 18px; background: var(--paper-tint); }
.pcard-img img { width: 100%; height: 100%; object-fit: cover; }
.pcard h3 { font-size: 19px; font-weight: 700; margin: 0 0 8px; }
.pcard p { font-size: 13.5px; color: var(--ink-500); line-height: 1.55; margin: 0 0 12px; flex: 1; }
.pcard-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.pcard-link { font-size: 13px; font-weight: 700; color: var(--blue-500); }
.pcard-cta { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; }

/* alternating list style (Innovations page) */
.alt-row { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; padding: 46px 0; border-bottom: 1px solid var(--ink-200); }
.alt-row:last-child { border-bottom: none; }
.alt-row.reverse .alt-img { order: 2; }
.alt-img { border-radius: 18px; overflow: hidden; aspect-ratio: 5/4; box-shadow: var(--shadow-md); }
.alt-img img { width: 100%; height: 100%; object-fit: cover; }
.alt-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 10px; display: block; }
.alt-row h3 { font-size: 25px; font-weight: 800; margin: 0 0 12px; }
.alt-row p { color: var(--ink-500); font-size: 14.5px; line-height: 1.6; margin-bottom: 14px; }
.alt-row ul { margin-bottom: 18px; }
.alt-row ul li { font-size: 13.5px; color: var(--ink-700); padding: 5px 0 5px 22px; position: relative; }
.alt-row ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green-500); font-weight: 800; }

/* CTA bands */
.cta-band {
  border-radius: var(--radius-lg); background: linear-gradient(120deg, var(--green-700), var(--green-500));
  color: #fff; text-align: center; padding: 60px 40px; margin: 0 auto;
}
.cta-band h2 { font-size: 28px; font-weight: 800; margin: 0 0 10px; }
.cta-band p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }

/* mission/audience cards */
.mission-card { border-radius: var(--radius-md); padding: 26px; text-align: center; }
.mission-card .icon-badge { margin: 0 auto 16px; width: 52px; height: 52px; border-radius: 16px; font-size: 22px; }
.mission-card h4 { font-size: 16.5px; font-weight: 700; margin: 0 0 8px; }
.mission-card p { font-size: 13px; color: var(--ink-500); margin: 0 0 16px; line-height: 1.5; }

/* supporters row */
.support-row { display: flex; gap: 22px; overflow-x: auto; padding: 6px 2px 18px; scrollbar-width: none; }
.support-row::-webkit-scrollbar { display: none; }
.support-card { min-width: 230px; border: 1px solid var(--ink-200); border-radius: var(--radius-md); padding: 30px 20px; text-align: center; flex-shrink: 0; }
.support-card .icon-badge { margin: 0 auto 14px; width: 56px; height: 56px; border-radius: 16px; font-size: 24px; }
.support-card h4 { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.support-card p { font-size: 12.5px; color: var(--ink-500); margin: 0; }

/* Timeline (About) */
.timeline { position: relative; max-width: 760px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--green-500), var(--blue-500), var(--green-500)); transform: translateX(-50%); }
.tl-item { position: relative; display: grid; grid-template-columns: 1fr 60px 1fr; align-items: center; margin-bottom: 10px; }
.tl-card { background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-md); padding: 18px 20px; box-shadow: var(--shadow-sm); }
.tl-item:nth-child(odd) .tl-card { grid-column: 1; text-align: right; }
.tl-item:nth-child(odd) .tl-img { grid-column: 3; }
.tl-item:nth-child(even) .tl-card { grid-column: 3; }
.tl-item:nth-child(even) .tl-img { grid-column: 1; }
.tl-year { font-size: 12px; font-weight: 700; color: var(--green-600); }
.tl-card h4 { margin: 4px 0 6px; font-size: 16px; }
.tl-card p { font-size: 12.5px; color: var(--ink-500); line-height: 1.5; margin: 0; }
.tl-dot { grid-column: 2; width: 16px; height: 16px; border-radius: 50%; background: var(--green-500); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--green-500); margin: 0 auto; z-index: 2; }
.tl-img { border-radius: 14px; overflow: hidden; aspect-ratio: 16/9; box-shadow: var(--shadow-sm); }
.tl-img img { width: 100%; height: 100%; object-fit: cover; }
img.tl-img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* founders */
.founder-card { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); position: relative; }
.founder-card .fimg { aspect-ratio: 4/3; overflow: hidden; }
.founder-card .fimg img { width: 100%; height: 100%; object-fit: cover; }
.founder-info { padding: 22px; }
.founder-info h4 { font-size: 19px; margin: 0 0 2px; }
.founder-info .frole { font-size: 12.5px; color: var(--green-600); font-weight: 700; margin-bottom: 12px; }

/* Impact / bio-protection */
.pillar-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.pillar-tab {
  padding: 10px 20px; border-radius: var(--radius-pill); border: 1px solid var(--dark-border);
  font-size: 13.5px; font-weight: 600; color: rgba(255,255,255,0.6); background: transparent;
}
.pillar-tab.active { background: var(--green-600); color: #fff; border-color: var(--green-600); }
.pillar-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: var(--dark-card); border: 1px solid var(--dark-border); border-radius: var(--radius-lg); padding: 40px; }
.pillar-panel img { border-radius: var(--radius-md); width: 100%; aspect-ratio: 5/4; object-fit: cover; }

.sdg-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sdg-tile { aspect-ratio: 1; border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; text-align: center; padding: 10px; }

/* Resources calculator */
.calc-wrap { display: grid; grid-template-columns: 1.1fr 1fr 1fr 1fr; gap: 20px; align-items: stretch; }
.calc-panel { background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); }
.calc-panel h4 { font-size: 14px; margin: 0 0 18px; display: flex; align-items: center; gap: 8px; }
.calc-field { margin-bottom: 18px; }
.calc-field label { font-size: 11.5px; font-weight: 700; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.04em; display: flex; justify-content: space-between; margin-bottom: 8px; }
.calc-field input[type=range] { width: 100%; accent-color: var(--green-500); }
.calc-toggle { display: flex; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 600; }
.switch { position: relative; width: 40px; height: 22px; background: var(--ink-200); border-radius: 999px; flex-shrink: 0; }
.switch::after { content:""; position:absolute; width:18px; height:18px; background:#fff; border-radius:50%; top:2px; left:2px; transition: .2s; box-shadow: 0 1px 3px rgba(0,0,0,0.3);}
.switch.on { background: var(--green-500); }
.switch.on::after { left: 20px; }
.result-pillar { border-radius: var(--radius-md); padding: 22px; border: 1px solid var(--ink-200); }
.result-pillar .rp-label { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
.result-item { margin-bottom: 14px; }
.result-item .r-amount { font-size: 20px; font-weight: 800; }
.result-item .r-title { font-size: 12.5px; font-weight: 700; margin: 2px 0; }
.result-item .r-desc { font-size: 11.5px; color: var(--ink-500); line-height: 1.4; }
.pillar-save { background: var(--green-50); border-color: var(--green-100); }
.pillar-grow { background: #fff7ed; border-color: var(--orange-100); }
.pillar-market { background: #eff6ff; border-color: var(--blue-100); }
.calc-total {
  background: var(--ink-900); color: #fff; border-radius: var(--radius-md);
  padding: 26px 32px; display: flex; align-items: center; justify-content: space-between;
  margin-top: 22px; flex-wrap: wrap; gap: 16px;
}
.calc-total .ct-amount { font-size: 34px; font-weight: 800; }
.calc-total .ct-label { font-size: 11px; letter-spacing: 0.05em; color: rgba(255,255,255,0.55); text-transform: uppercase; }
.calc-total .ct-breakdown { display: flex; gap: 22px; font-size: 12.5px; flex-wrap: wrap; }
.calc-total .ct-breakdown b { display: block; font-size: 15px; }

/* article cards */
.article-card { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--ink-200); box-shadow: var(--shadow-sm); }
.article-card .aimg { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.article-card .aimg img { width: 100%; height: 100%; object-fit: cover; }
.article-badge { position: absolute; top: 12px; left: 12px; background: rgba(0,0,0,0.65); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 0.04em; padding: 5px 10px; border-radius: var(--radius-pill); }
.article-body { padding: 20px; }
.article-meta { font-size: 11.5px; color: var(--ink-400); margin-bottom: 8px; }
.article-body h4 { font-size: 16px; margin: 0 0 8px; line-height: 1.35; }
.article-body p { font-size: 13px; color: var(--ink-500); line-height: 1.5; margin: 0 0 12px; }
.article-body a { font-size: 12.5px; font-weight: 700; color: var(--green-600); }

.research-box { border: 1px solid var(--dark-border); border-radius: var(--radius-md); padding: 24px; background: var(--dark-card); }
.research-box h5 { color: var(--green-400); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; margin: 0 0 16px; }
.doc-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid var(--dark-border); }
.doc-row:last-child { border-bottom: none; }
.doc-row .doc-tag { font-size: 10px; color: var(--green-400); font-weight: 700; letter-spacing: 0.04em; }
.doc-row h5 { margin: 4px 0 4px; font-size: 14px; color: #fff; }
.doc-row p { margin: 0; font-size: 12px; color: rgba(255,255,255,0.5); }
.doc-size { font-size: 11px; color: rgba(255,255,255,0.4); white-space: nowrap; margin-left: 14px; }

/* contact cards */
.contact-card { border-radius: var(--radius-md); padding: 30px; text-align: center; border: 1px solid var(--ink-200); }
.contact-card .icon-badge { margin: 0 auto 16px; width: 52px; height: 52px; border-radius: 16px; font-size: 22px; }
.contact-card h4 { font-size: 18px; margin: 0 0 10px; }
.contact-card p { font-size: 13px; color: var(--ink-500); line-height: 1.5; margin-bottom: 18px; }
.helpline-box { background: var(--paper-tint); border-radius: 12px; padding: 14px; margin-bottom: 16px; }
.helpline-box .hl-label { font-size: 10px; font-weight: 700; color: var(--green-600); letter-spacing: 0.05em; }
.helpline-box .hl-num { font-size: 19px; font-weight: 800; margin: 4px 0; }
.helpline-box .hl-sub { font-size: 11px; color: var(--ink-400); }

.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-500); margin-bottom: 7px; }
.form-field input, .form-field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--ink-200); border-radius: 10px;
  font-size: 14px; font-family: inherit; background: var(--paper-soft);
}
.form-field textarea { resize: vertical; min-height: 90px; }
.role-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.role-tab { padding: 8px 14px; border-radius: var(--radius-pill); border: 1px solid var(--ink-200); font-size: 12.5px; font-weight: 600; color: var(--ink-500); background: #fff; }
.role-tab.active { background: var(--blue-500); color: #fff; border-color: var(--blue-500); }

.map-embed { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--ink-200); aspect-ratio: 16/9; }
.map-embed iframe { width: 100%; height: 100%; border: 0; }

/* Decorative art panel — used where we substitute an abstract, on-brand
   graphic instead of a specific stock/product photo we can't verify */
.art-panel {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: #fff; text-align: center; padding: 20px;
  background: linear-gradient(135deg, var(--green-700), var(--green-500));
  position: relative; overflow: hidden;
}
.art-panel .art-icon { font-size: 40px; }
.art-panel .art-label { font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.9; }
.art-panel::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.18), transparent 40%),
                     radial-gradient(circle at 85% 75%, rgba(255,255,255,0.12), transparent 45%);
}
.art-panel.tone-blue { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.art-panel.tone-orange { background: linear-gradient(135deg, #9a3412, #ea580c); }
.art-panel.tone-dark { background: linear-gradient(135deg, #111815, #263a2e); }
.art-panel.tone-soil { background: linear-gradient(135deg, #4a2e1a, #7c4a24); }

/* Flagship innovation slider */
.flagship-slider { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.flagship-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-lg); }
.flagship-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: opacity .35s ease; }
.flagship-nav-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%; background: #fff; border: none;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
  box-shadow: var(--shadow-md); cursor: pointer; z-index: 3; color: var(--ink-900);
}
.flagship-nav-btn.prev { left: 16px; }
.flagship-nav-btn.next { right: 16px; }
.flagship-dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.flagship-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-200); border: none; cursor: pointer; padding: 0; }
.flagship-dot.active { background: var(--green-600); width: 22px; border-radius: 4px; }
.flagship-panel { display: none; }
.flagship-panel.active { display: block; }
.flagship-thumb-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.flagship-thumb { width: 56px; height: 56px; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-sm); flex-shrink: 0; }
.flagship-thumb img { width: 100%; height: 100%; object-fit: cover; }
.flagship-stats-pill {
  display: inline-block; background: linear-gradient(90deg, #db2777, #be185d); color: #fff;
  font-size: 12.5px; font-weight: 600; padding: 12px 18px; border-radius: var(--radius-pill);
  margin-bottom: 20px; line-height: 1.5;
}

/* BBG Tri-Credits calculator */
.bbg-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 30px; align-items: start; }
.bbg-inputs { background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-md); padding: 26px; box-shadow: var(--shadow-sm); position: sticky; top: 100px; }
.bbg-inputs h4 { font-size: 15px; margin: 0 0 18px; }
.bbg-field { margin-bottom: 16px; }
.bbg-field label { font-size: 11.5px; font-weight: 700; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.03em; display: flex; justify-content: space-between; margin-bottom: 7px; }
.bbg-field input[type=range] { width: 100%; accent-color: var(--green-500); }
.bbg-field select { width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--ink-200); font-size: 13px; background: var(--paper-soft); }
.bbg-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bbg-credit-card { border-radius: var(--radius-md); padding: 24px; color: #fff; margin-bottom: 18px; }
.bbg-credit-card.black { background: linear-gradient(135deg,#171b1a,#2b3230); }
.bbg-credit-card.blue { background: linear-gradient(135deg,#0c4a8a,#2b7fd6); }
.bbg-credit-card.green { background: linear-gradient(135deg,var(--green-800),var(--green-500)); }
.bbg-credit-card .bcc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.bbg-credit-card .bcc-title { font-size: 15px; font-weight: 800; }
.bbg-credit-card .bcc-total { font-size: 26px; font-weight: 800; }
.bbg-credit-card .bcc-unit { font-size: 11px; opacity: 0.7; font-weight: 600; }
.bbg-line { display: flex; justify-content: space-between; font-size: 12.5px; padding: 7px 0; border-top: 1px solid rgba(255,255,255,0.14); }
.bbg-line span:first-child { color: rgba(255,255,255,0.75); }
.bbg-line b { font-weight: 700; }
.bbg-econ-bar { background: var(--ink-900); color: #fff; border-radius: var(--radius-md); padding: 22px 26px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center; }
.bbg-econ-bar .be-amount { font-size: 28px; font-weight: 800; color: var(--green-400); }
.bbg-econ-bar .be-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; color: rgba(255,255,255,0.55); }
.bbg-source-note { font-size: 11.5px; color: var(--ink-400); line-height: 1.6; margin-top: 16px; }

/* ---------------- Footer ---------------- */
footer { background: var(--dark-bg-2); color: rgba(255,255,255,0.7); padding-top: 70px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid var(--dark-border); }
.footer-brand { display: flex; gap: 10px; margin-bottom: 16px; }
footer p.fdesc { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.5); margin-bottom: 18px; }
.social-row { display: flex; gap: 10px; margin-bottom: 22px; }
.social-row a { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; font-size: 13px; }
.footer-col h5 { color: #fff; font-size: 14px; margin: 0 0 16px; }
.footer-col.founders h6 { color: var(--green-400); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 12px; }
.footer-col li { margin-bottom: 11px; font-size: 13.5px; }
.footer-col li a:hover { color: var(--green-400); }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 16px; font-size: 13px; line-height: 1.5; }
.footer-contact-item strong { display: block; color: #fff; font-size: 13px; margin-bottom: 2px; }
.footer-certs { margin-top: 16px; }
.footer-certs h6 { color: var(--green-400); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 10px; }
.cert-row { display: flex; gap: 8px; flex-wrap: wrap; }
.cert-pill { font-size: 10.5px; font-weight: 700; background: rgba(255,255,255,0.08); padding: 6px 10px; border-radius: 6px; }
.newsletter { display: flex; gap: 8px; margin-bottom: 20px; }
.newsletter input { flex: 1; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--dark-border); background: rgba(255,255,255,0.05); color: #fff; font-size: 13px; }
.newsletter button { width: 42px; border-radius: 10px; border: none; background: var(--green-600); color: #fff; }
.sustain-box { background: rgba(255,255,255,0.05); border: 1px solid var(--dark-border); border-radius: 12px; padding: 16px; }
.sustain-box h6 { color: var(--green-400); font-size: 12.5px; margin: 0 0 12px; }
.sustain-box li { font-size: 12.5px; margin-bottom: 8px; display: flex; gap: 8px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 12.5px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 10px; }
.footer-bottom .flinks { display: flex; gap: 20px; }

/* floating ask expert */
.ask-expert { position: fixed; bottom: 26px; right: 26px; background: var(--green-500); color: #fff; padding: 12px 20px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 700; display: flex; align-items: center; gap: 8px; box-shadow: var(--shadow-lg); z-index: 150; }

/* utility */
.text-center { text-align: center; }
.mt-30 { margin-top: 30px; }
.mb-0 { margin-bottom: 0; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-10 { gap: 10px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.w-full { width: 100%; }

/* fade-up animation */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .hamburger { display: block; }
  .hero h1 { font-size: 38px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .calc-wrap { grid-template-columns: 1fr; }
  .two-col, .alt-row, .pillar-panel { grid-template-columns: 1fr; gap: 26px; }
  .bbg-wrap { grid-template-columns: 1fr; }
  .bbg-inputs { position: static; }
  .alt-row.reverse .alt-img { order: 0; }
  .timeline::before { left: 24px; }
  .tl-item { grid-template-columns: 50px 1fr; }
  .tl-item:nth-child(odd) .tl-card, .tl-item:nth-child(even) .tl-card { grid-column: 2; text-align: left; }
  .tl-item:nth-child(odd) .tl-img, .tl-item:nth-child(even) .tl-img { display: none; }
  .tl-dot { grid-column: 1; }
  .sdg-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
  section { padding: 60px 0; }
  .hero { padding: 90px 0 80px; }
  .hero h1 { font-size: 30px; }
  .section-head h2 { font-size: 26px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .ring-stats { gap: 20px; }
  .ring-circle { width: 96px; height: 96px; font-size: 20px; }
  .calc-total { flex-direction: column; align-items: flex-start; }
}