/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --green:       #3a7d44;
  --green-light: #56a361;
  --green-dark:  #2c5f35;
  --orange:      #f4a521;
  --white:       #ffffff;
  --off-white:   #f9f9f6;
  --text-dark:   #1e2a1f;
  --text-mid:    #4a5c4b;
  --border:      #e2ede3;
  --shadow:      0 4px 24px rgba(58,125,68,.10);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo / Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.brand-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--green-dark);
  letter-spacing: -.4px;
}

.brand-name span {
  color: var(--orange);
}

/* Login button */
.btn-login {
  background: var(--green);
  color: var(--white);
  border: none;
  padding: 9px 24px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s, transform .15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-login:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

/* ===== NAV ===== */
nav {
  background: var(--off-white);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  gap: 4px;
}

nav a {
  display: inline-block;
  padding: 13px 22px;
  text-decoration: none;
  color: var(--text-mid);
  font-weight: 600;
  font-size: .95rem;
  border-bottom: 3px solid transparent;
  transition: color .2s, border-color .2s;
}

nav a:hover,
nav a.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ===== BUTTONS (general) ===== */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  color: var(--white);
  text-decoration: none;
  padding: 14px 36px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  transition: opacity .2s, transform .15s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover { opacity: .88; transform: translateY(-2px); }

.btn-outline {
  display: inline-block;
  border: 2px solid var(--green);
  color: var(--green);
  text-decoration: none;
  padding: 12px 34px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  transition: background .2s, color .2s, transform .15s;
}

.btn-outline:hover {
  background: var(--green);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #f0faf1 0%, #fefefe 60%, #fff8ec 100%);
  padding: 90px 28px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--green-dark);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero h1 span { color: var(--orange); }

.hero p {
  font-size: 1.15rem;
  color: var(--text-mid);
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SECTION WRAPPER ===== */
.section {
  padding: 72px 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 10px;
}

.section-title p {
  color: var(--text-mid);
  font-size: 1.05rem;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(58,125,68,.15);
}

.feature-card .icon {
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-mid);
  font-size: .95rem;
}

/* ===== PRODUCT CARDS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 32px rgba(58,125,68,.18);
}

.product-img {
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, #f0faf1, #fff8ec);
}

.product-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 6px;
}

.product-info p {
  color: var(--text-mid);
  font-size: .88rem;
  margin-bottom: 14px;
}

.product-info .price {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 14px;
  display: block;
}

.btn-cart {
  width: 100%;
  background: var(--green);
  color: var(--white);
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: .95rem;
  transition: background .2s;
  margin-top: auto;
}

.btn-cart:hover { background: var(--green-dark); }

/* ===== CONTACT ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 700px) {
  .contact-wrapper { grid-template-columns: 1fr; gap: 32px; }
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 14px;
}

.contact-info p { color: var(--text-mid); margin-bottom: 24px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-mid);
  font-size: .97rem;
}

.contact-detail .ci {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: #f0faf1;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Contact form */
.contact-form {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--green-dark);
  margin-bottom: 22px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: .92rem;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .97rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text-dark);
  transition: border-color .2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
}

.form-group textarea { min-height: 110px; resize: vertical; }

/* ===== FOOTER ===== */
footer {
  background: var(--green-dark);
  color: #c8e6c9;
  text-align: center;
  padding: 32px 28px;
  margin-top: 60px;
  font-size: .92rem;
}

footer strong { color: var(--white); }
footer a { color: var(--orange); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .brand-name { font-size: 1.1rem; }
  .btn-login { padding: 8px 16px; font-size: .85rem; }
  .hero { padding: 56px 20px; }
}