/* ========================================
   Frednice Farm — Bio Farm Organic Fertiliser
   Professional Stylesheet
   ======================================== */

:root {
  --green-900: #1a3c2a;
  --green-700: #2d6a4f;
  --green-600: #40916c;
  --green-500: #52b788;
  --green-300: #95d5b2;
  --green-100: #d8f3dc;
  --lime: #a5d6a7;
  --dark: #0f1b14;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  --gold: #fbbf24;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-800);
  line-height: 1.7;
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Utility ---- */
.highlight {
  color: var(--green-600);
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--green-700);
  text-decoration: none;
}

.logo i {
  font-size: 1.6rem;
  color: var(--green-500);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-500);
  transition: var(--transition);
}

.nav a:hover {
  color: var(--green-700);
}

.nav a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 26px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero Slideshow ---- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 27, 20, 0.55);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  text-align: left;
  margin: 0 auto 0 0;
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--green-300);
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* Hero dots */
.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 2;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.dot.active {
  background: var(--white);
  border-color: rgba(255,255,255,0.3);
  transform: scale(1.2);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--white);
  color: var(--green-700);
}

.btn-primary:hover {
  background: var(--green-100);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* ---- Sections ---- */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--gray-100);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-700);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--gray-600);
  font-size: 1.05rem;
}

/* ---- About ---- */
.about-image {
  min-height: 300px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  #about .section-header {
    flex-direction: column !important;
  }
  #about .section-header > div,
  #about .section-header > .about-image {
    flex: none !important;
    width: 100%;
  }
  .about-image {
    min-height: 220px;
  }
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.about-card i {
  font-size: 2.4rem;
  color: var(--green-500);
  margin-bottom: 20px;
}

.about-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--gray-900);
}

.about-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* ---- Products ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  border: 1px solid rgba(0,0,0,0.04);
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card.featured {
  border: 2px solid var(--green-500);
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--green-500);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  z-index: 2;
}

.product-img {
  width: 100%;
  height: 220px;
  background-size: cover;
  background-position: center;
}

.product-body {
  padding: 28px 32px 32px;
}

.product-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--gray-900);
}

.product-card p {
  color: var(--gray-600);
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.product-card ul {
  list-style: none;
}

.product-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.product-card ul li i {
  color: var(--green-500);
  font-size: 0.8rem;
}

/* ---- Benefits ---- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--white);
  padding: 28px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.benefit-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.benefit-item i {
  font-size: 1.6rem;
  color: var(--green-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gray-900);
}

.benefit-item p {
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* ---- Testimonials ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stars {
  color: var(--gold);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card p {
  color: var(--gray-700);
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.95rem;
}

.author-title {
  font-size: 0.82rem;
  color: var(--gray-400);
}

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item i {
  font-size: 1.3rem;
  color: var(--green-500);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 2px;
}

.contact-item a,
.contact-item p {
  color: var(--gray-600);
  font-size: 0.92rem;
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--green-600);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(82,183,136,0.15);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .btn {
  align-self: flex-start;
  background: var(--green-700);
  color: var(--white);
  padding: 14px 40px;
}

.contact-form .btn:hover {
  background: var(--green-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45,106,79,0.3);
}

/* ---- WhatsApp Floating Button ---- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  z-index: 999;
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
  background: #20bd5a;
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

@keyframes whatsapp-pulse {
  0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.7); }
  100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* ---- Footer ---- */
.footer {
  background: var(--green-900);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand i {
  font-size: 1.8rem;
  color: var(--green-300);
}

.footer-brand span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--green-300);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: var(--transition);
  font-size: 1rem;
}

.footer-social a:hover {
  background: var(--green-600);
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    gap: 0;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-300);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

@media (max-width: 600px) {
  .section {
    padding: 64px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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

  .benefits-grid {
    grid-template-columns: 1fr;
  }
}