/* ============================================================
   MAMPANIL AGROTECH — NAVJEEV VERMICOMPOST
   Single page site. Pure CSS. No frameworks.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --primary: #214F2B;
  --primary-dark: #16371e;
  --primary-light: #2f6b3c;
  --secondary: #F78A6B;
  --bg: #FFF8F2;
  --light-green: #DCE8D4;
  --text: #1F2937;
  --text-soft: #5b6b63;
  --white: #FFFFFF;

  --font-display: "Fraunces", serif;
  --font-body: "Manrope", sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-full: 999px;

  --shadow-sm: 0 4px 14px rgba(33, 79, 43, 0.08);
  --shadow-md: 0 12px 32px rgba(33, 79, 43, 0.12);
  --shadow-lg: 0 24px 60px rgba(33, 79, 43, 0.18);

  --container: 1180px;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; color: var(--primary-dark); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--primary); color: var(--white); padding: 12px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn--primary { background: var(--primary); color: var(--white); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn--outline:hover { background: var(--light-green); transform: translateY(-2px); }
.btn--sm { padding: 10px 20px; font-size: 0.88rem; }

/* ---------- Badges & section titles ---------- */
.badge {
  display: inline-block;
  background: var(--light-green);
  color: var(--primary-dark);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.badge--alt { background: rgba(247, 138, 107, 0.15); color: #c05f43; }
.badge--center { display: block; width: fit-content; margin-inline: auto; }

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  text-align: center;
  margin-bottom: 44px;
}
.section-title--left { text-align: left; margin-bottom: 20px; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition), backdrop-filter var(--transition);
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(255, 248, 242, 0.75);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 4px 20px rgba(33, 79, 43, 0.08);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--primary-dark); }
.nav__logo em { font-style: normal; display: block; font-size: 0.6rem; font-family: var(--font-body); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--secondary); }
.nav__links { display: flex; gap: 34px; }
.nav__links a { font-weight: 600; font-size: 0.95rem; color: var(--text); transition: color 0.2s; position: relative; }
.nav__links a:hover { color: var(--primary); }
.nav__actions { display: flex; align-items: center; gap: 14px; }

.nav__toggle {
  display: none; flex-direction: column; justify-content: space-between; width: 24px; height: 18px;
}
.nav__toggle span { display: block; height: 2px; background: var(--primary-dark); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 170px 0 100px;
  background: radial-gradient(circle at 82% 12%, rgba(220, 232, 212, 0.9), transparent 55%),
              radial-gradient(circle at 5% 90%, rgba(247, 138, 107, 0.10), transparent 45%),
              var(--bg);
}
.hero__leaves { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.leaf { position: absolute; width: 46px; fill: var(--primary); opacity: 0.14; animation: floatLeaf 9s ease-in-out infinite; }
.leaf--1 { top: 14%; left: 6%; animation-delay: 0s; }
.leaf--2 { top: 68%; left: 12%; width: 30px; animation-delay: 2.4s; }
.leaf--3 { top: 30%; right: 8%; width: 36px; animation-delay: 4.6s; }
@keyframes floatLeaf {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-22px) rotate(12deg); }
}

.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero__title { font-size: clamp(2.3rem, 4.4vw, 3.4rem); margin-bottom: 20px; }
.hero__title em { font-style: normal; color: var(--primary-light); }
.hero__desc { max-width: 460px; color: var(--text-soft); font-size: 1.08rem; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }
.hero__stats { display: flex; gap: 40px; }
.hero__stats strong { display: block; font-family: var(--font-display); font-size: 1.6rem; color: var(--primary-dark); }
.hero__stats span { font-size: 0.82rem; color: var(--text-soft); font-weight: 600; }

/* ---------- Pouch mockup (signature element) ---------- */
.pouch-stage {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 480px;
}
.pouch-stage--sm { min-height: 400px; }

.pouch-shadow {
  position: absolute; bottom: 22px; width: 220px; height: 34px;
  background: radial-gradient(ellipse at center, rgba(22, 55, 30, 0.35), transparent 72%);
  filter: blur(2px);
}

.pouch-image {
  position: relative;
  width: 280px;
  animation: floatPouch 5.5s ease-in-out infinite;
  filter: drop-shadow(0 26px 34px rgba(22, 55, 30, 0.28));
}
.pouch-image--tilt { transform: rotate(-4deg); animation: floatPouchTilt 5.5s ease-in-out infinite; }
.pouch-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
}
@keyframes floatPouch {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes floatPouchTilt {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-14px) rotate(-4deg); }
}

/* ---------- Why choose ---------- */
.why { padding: 90px 0 40px; }
.why__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.why__card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.why__card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.why__icon { font-size: 1.8rem; margin-bottom: 14px; }
.why__card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.why__card p { font-size: 0.9rem; color: var(--text-soft); }

/* ---------- Product ---------- */
.product { padding: 90px 0; }
.product__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.product__desc { color: var(--text-soft); margin-bottom: 26px; max-width: 480px; }
.product__list { margin-bottom: 34px; display: grid; gap: 14px; }
.product__list li { display: flex; align-items: flex-start; gap: 12px; font-weight: 600; }
.product__list li span {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: var(--light-green); color: var(--primary-dark);
  display: flex; align-items: center; justify-content: center; font-size: 0.7rem; margin-top: 2px;
}

/* ---------- Benefits ---------- */
.benefits { padding: 90px 0; background: var(--light-green); }
.benefits .badge--center, .benefits .section-title { }
.benefits__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-card:hover { transform: translateY(-6px) scale(1.01); box-shadow: var(--shadow-md); }
.benefit-card__icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--light-green);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.benefit-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.benefit-card p { color: var(--text-soft); font-size: 0.92rem; }

/* ---------- Nutrients ---------- */
.nutrients { padding: 90px 0; }
.nutrients__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.nutrient-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 22px 12px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.nutrient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.nutrient-card__symbol {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary); color: var(--white);
  font-weight: 800; font-size: 0.78rem; margin-bottom: 10px;
}
.nutrient-card strong { display: block; font-family: var(--font-display); font-size: 1.15rem; color: var(--primary-dark); }
.nutrient-card p { font-size: 0.78rem; color: var(--text-soft); margin-top: 2px; }

/* ---------- Applications ---------- */
.applications { padding: 90px 0; background: var(--light-green); }
.applications__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.app-card {
  background: var(--white); border-radius: var(--radius-md);
  padding: 30px 24px; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.app-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.app-card__icon { font-size: 1.8rem; margin-bottom: 12px; }
.app-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.app-card p { font-size: 0.88rem; color: var(--text-soft); }

/* ---------- About ---------- */
.about { padding: 90px 0; }
.about__grid { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: 60px; align-items: center; }
.about__art { display: flex; align-items: center; justify-content: center; }
.about__circle {
  width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--light-green), var(--primary) 120%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.about__circle img {
  width: 80px; height: 80px;
  object-fit: contain;
}
.about__copy p { color: var(--text-soft); max-width: 560px; margin-bottom: 30px; }
.about__mv { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.about__mv h4 { font-size: 1rem; color: var(--primary); margin-bottom: 6px; }
.about__mv p { font-size: 0.9rem; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact { padding: 30px 0 100px; }
.contact__box {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 70px 40px;
  text-align: center;
  color: var(--white);
}
.contact__box .section-title { color: var(--white); }
.contact__desc { color: rgba(255,255,255,0.78); max-width: 520px; margin: 0 auto 34px; }
.contact__row { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.contact__pill {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 12px 22px; border-radius: var(--radius-full);
  font-weight: 600; font-size: 0.92rem;
  transition: background var(--transition), transform var(--transition);
}
.contact__pill:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }
.contact__social { display: flex; justify-content: center; gap: 14px; }
.contact__social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700;
  transition: background var(--transition), transform var(--transition);
}
.contact__social a:hover { background: var(--secondary); transform: translateY(-3px); }

/* ---------- Footer ---------- */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.85); padding: 40px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer__logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--white); font-family: var(--font-display); }
.footer__links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer__links a { font-size: 0.88rem; opacity: 0.85; transition: opacity 0.2s; }
.footer__links a:hover { opacity: 1; }
.footer__copy { font-size: 0.82rem; opacity: 0.65; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal[data-reveal="left"] { transform: translateX(-30px); }
.reveal[data-reveal="right"] { transform: translateX(30px); }
.reveal.is-visible { opacity: 1; transform: translate(0, 0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .nutrients__grid { grid-template-columns: repeat(3, 1fr); }
  .applications__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__grid, .product__grid, .about__grid { gap: 40px; }
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav.menu-open .nav__links {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); padding: 20px 24px; gap: 18px; box-shadow: var(--shadow-md);
  }

  .hero { padding: 140px 0 70px; }
  .hero__grid { grid-template-columns: 1fr; text-align: center; }
  .hero__desc { margin-inline: auto; }
  .hero__cta { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual { order: -1; }

  .product__grid { grid-template-columns: 1fr; }
  .product__copy { text-align: center; }
  .product__desc { margin-inline: auto; }
  .product__list { justify-items: start; max-width: 340px; margin-inline: auto; }
  .section-title--left { text-align: center; }

  .about__grid { grid-template-columns: 1fr; text-align: center; }
  .about__mv { grid-template-columns: 1fr; text-align: left; max-width: 380px; margin-inline: auto; }

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
  .why__grid, .benefits__grid, .applications__grid { grid-template-columns: 1fr; }
  .nutrients__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__box { padding: 50px 24px; }
  .pouch { width: 210px; height: 290px; }
}